babeltracectfincludedir="${includedir}/babeltrace/ctf"
AC_SUBST(babeltracectfincludedir)
+babeltracectfwriterincludedir="${includedir}/babeltrace/ctf-writer"
+AC_SUBST(babeltracectfwriterincludedir)
+
AC_CONFIG_FILES([
Makefile
types/Makefile
formats/ctf-metadata/Makefile
formats/bt-dummy/Makefile
formats/ctf/metadata/Makefile
+ formats/ctf/writer/Makefile
converter/Makefile
doc/Makefile
lib/Makefile
AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
-SUBDIRS = types metadata .
+SUBDIRS = types metadata writer .
lib_LTLIBRARIES = libbabeltrace-ctf.la
# Request that the linker keeps all static libraries objects.
libbabeltrace_ctf_la_LDFLAGS = \
- -Wl,--no-as-needed \
+ -Wl,--no-as-needed
+
+libbabeltrace_ctf_la_LIBADD = \
+ $(top_builddir)/lib/libbabeltrace.la \
types/libctf-types.la \
metadata/libctf-parser.la \
- metadata/libctf-ast.la
-
-libbabeltrace_ctf_la_LIBADD = \
- $(top_builddir)/lib/libbabeltrace.la
+ metadata/libctf-ast.la \
+ writer/libctf-writer.la
switch (whence) {
case SEEK_CUR:
/* The writer will add padding */
- pos->mmap_offset += WRITE_PACKET_LEN / CHAR_BIT;
+ pos->mmap_offset += pos->packet_size / CHAR_BIT;
break;
case SEEK_SET:
assert(index == 0); /* only seek supported for now */
union doubleIEEE754 u;
struct bt_definition *tmpdef;
struct definition_float *tmpfloat;
- struct ctf_stream_pos srcp;
+ struct ctf_stream_pos srcp = { { 0 } };
struct mmap_align mma;
int ret;
--- /dev/null
+AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
+
+noinst_LTLIBRARIES = libctf-writer.la
+
+libctf_writer_la_SOURCES = \
+ writer.c \
+ clock.c \
+ stream.c \
+ event-types.c \
+ event-fields.c \
+ event.c \
+ functor.c
+
+libctf_writer_la_LIBADD = \
+ $(top_builddir)/lib/libbabeltrace.la
+
+if BABELTRACE_BUILD_WITH_LIBUUID
+libctf_writer_la_LIBADD += -luuid
+endif
+if BABELTRACE_BUILD_WITH_LIBC_UUID
+libctf_writer_la_LIBADD += -lc
+endif
--- /dev/null
+/*
+ * clock.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/clock-internal.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/compiler.h>
+#include <inttypes.h>
+
+static
+void bt_ctf_clock_destroy(struct bt_ctf_ref *ref);
+
+struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
+{
+ struct bt_ctf_clock *clock = NULL;
+
+ if (validate_identifier(name)) {
+ goto error;
+ }
+
+ clock = g_new0(struct bt_ctf_clock, 1);
+ if (!clock) {
+ goto error;
+ }
+
+ clock->name = g_string_new(name);
+ if (!clock->name) {
+ goto error_destroy;
+ }
+
+ clock->description = g_string_new(NULL);
+ if (!clock->description) {
+ goto error_destroy;
+ }
+
+ clock->precision = 1;
+ clock->frequency = 1000000000;
+ uuid_generate(clock->uuid);
+ bt_ctf_ref_init(&clock->ref_count);
+ return clock;
+error_destroy:
+ bt_ctf_clock_destroy(&clock->ref_count);
+error:
+ clock = NULL;
+ return clock;
+}
+
+int bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc)
+{
+ int ret = 0;
+
+ if (!clock || !desc || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->description = g_string_assign(clock->description, desc);
+ ret = clock->description ? 0 : -1;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq)
+{
+ int ret = 0;
+
+ if (!clock || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->frequency = freq;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision)
+{
+ int ret = 0;
+
+ if (!clock || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->precision = precision;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, uint64_t offset_s)
+{
+ int ret = 0;
+
+ if (!clock || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->offset_s = offset_s;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, uint64_t offset)
+{
+ int ret = 0;
+
+ if (!clock || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->offset = offset;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
+{
+ int ret = 0;
+
+ if (!clock || clock->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->absolute = !!is_absolute;
+end:
+ return ret;
+}
+
+int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time)
+{
+ int ret = 0;
+
+ /* Timestamps are strictly monotonic */
+ if (!clock || time < clock->time) {
+ ret = -1;
+ goto end;
+ }
+
+ clock->time = time;
+end:
+ return ret;
+}
+
+void bt_ctf_clock_get(struct bt_ctf_clock *clock)
+{
+ if (!clock) {
+ return;
+ }
+
+ bt_ctf_ref_get(&clock->ref_count);
+}
+
+void bt_ctf_clock_put(struct bt_ctf_clock *clock)
+{
+ if (!clock) {
+ return;
+ }
+
+ bt_ctf_ref_put(&clock->ref_count, bt_ctf_clock_destroy);
+}
+
+BT_HIDDEN
+void bt_ctf_clock_freeze(struct bt_ctf_clock *clock)
+{
+ if (!clock) {
+ return;
+ }
+
+ clock->frozen = 1;
+}
+
+BT_HIDDEN
+void bt_ctf_clock_serialize(struct bt_ctf_clock *clock,
+ struct metadata_context *context)
+{
+ unsigned char *uuid;
+
+ if (!clock || !context) {
+ return;
+ }
+
+ uuid = clock->uuid;
+ g_string_append(context->string, "clock {\n");
+ g_string_append_printf(context->string, "\tname = %s;\n",
+ clock->name->str);
+ g_string_append_printf(context->string,
+ "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
+ uuid[0], uuid[1], uuid[2], uuid[3],
+ uuid[4], uuid[5], uuid[6], uuid[7],
+ uuid[8], uuid[9], uuid[10], uuid[11],
+ uuid[12], uuid[13], uuid[14], uuid[15]);
+ if (clock->description->len) {
+ g_string_append_printf(context->string, "\tdescription = \"%s\";\n",
+ clock->description->str);
+ }
+
+ g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n",
+ clock->frequency);
+ g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n",
+ clock->precision);
+ g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n",
+ clock->offset_s);
+ g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n",
+ clock->offset);
+ g_string_append_printf(context->string, "\tabsolute = %s;\n",
+ clock->absolute ? "TRUE" : "FALSE");
+ g_string_append(context->string, "};\n\n");
+}
+
+BT_HIDDEN
+uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock *clock)
+{
+ return clock ? clock->time : 0;
+}
+
+static
+void bt_ctf_clock_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_clock *clock;
+
+ if (!ref) {
+ return;
+ }
+
+ clock = container_of(ref, struct bt_ctf_clock, ref_count);
+ if (clock->name) {
+ g_string_free(clock->name, TRUE);
+ }
+
+ if (clock->description) {
+ g_string_free(clock->description, TRUE);
+ }
+
+ g_free(clock);
+}
--- /dev/null
+/*
+ * event-fields.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf-writer/event-fields-internal.h>
+#include <babeltrace/ctf-writer/event-types-internal.h>
+#include <babeltrace/compiler.h>
+
+#define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT)
+
+static
+struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_enumeration_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_floating_point_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_structure_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_variant_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_array_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_sequence_create(
+ struct bt_ctf_field_type *);
+static
+struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *);
+
+static
+void bt_ctf_field_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_integer_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_structure_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_variant_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_array_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_sequence_destroy(struct bt_ctf_field *);
+static
+void bt_ctf_field_string_destroy(struct bt_ctf_field *);
+
+static
+int bt_ctf_field_generic_validate(struct bt_ctf_field *field);
+static
+int bt_ctf_field_structure_validate(struct bt_ctf_field *field);
+static
+int bt_ctf_field_variant_validate(struct bt_ctf_field *field);
+static
+int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field);
+static
+int bt_ctf_field_array_validate(struct bt_ctf_field *field);
+static
+int bt_ctf_field_sequence_validate(struct bt_ctf_field *field);
+
+static
+int bt_ctf_field_integer_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_structure_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_variant_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_array_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_sequence_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+static
+int bt_ctf_field_string_serialize(struct bt_ctf_field *,
+ struct ctf_stream_pos *);
+
+static
+int increase_packet_size(struct ctf_stream_pos *pos);
+
+static
+struct bt_ctf_field *(*field_create_funcs[])(
+ struct bt_ctf_field_type *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create,
+ [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_floating_point_create,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_array_create,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create,
+ [CTF_TYPE_STRING] = bt_ctf_field_string_create,
+};
+
+static
+void (*field_destroy_funcs[])(struct bt_ctf_field *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy,
+ [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_floating_point_destroy,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy,
+ [CTF_TYPE_STRING] = bt_ctf_field_string_destroy,
+};
+
+static
+int (*field_validate_funcs[])(struct bt_ctf_field *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate,
+ [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate,
+ [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate,
+ [CTF_TYPE_STRING] = bt_ctf_field_generic_validate,
+};
+
+static
+int (*field_serialize_funcs[])(struct bt_ctf_field *,
+ struct ctf_stream_pos *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize,
+ [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_floating_point_serialize,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize,
+ [CTF_TYPE_STRING] = bt_ctf_field_string_serialize,
+};
+
+struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field *field = NULL;
+ enum ctf_type_id type_id;
+
+ if (!type) {
+ goto error;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(type);
+ if (type_id <= CTF_TYPE_UNKNOWN ||
+ type_id >= NR_CTF_TYPES) {
+ goto error;
+ }
+
+ field = field_create_funcs[type_id](type);
+ if (!field) {
+ goto error;
+ }
+
+ /* The type's declaration can't change after this point */
+ bt_ctf_field_type_freeze(type);
+ bt_ctf_field_type_get(type);
+ bt_ctf_ref_init(&field->ref_count);
+ field->type = type;
+error:
+ return field;
+}
+
+void bt_ctf_field_get(struct bt_ctf_field *field)
+{
+ if (field) {
+ bt_ctf_ref_get(&field->ref_count);
+ }
+}
+
+void bt_ctf_field_put(struct bt_ctf_field *field)
+{
+ if (field) {
+ bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy);
+ }
+}
+
+int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field,
+ struct bt_ctf_field *length_field)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *length_type;
+ struct bt_ctf_field_integer *length;
+ struct bt_ctf_field_sequence *sequence;
+ uint64_t sequence_length;
+
+ if (!field || !length_field) {
+ ret = -1;
+ goto end;
+ }
+ if (bt_ctf_field_type_get_type_id(length_field->type) !=
+ CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ length_type = container_of(length_field->type,
+ struct bt_ctf_field_type_integer, parent);
+ if (length_type->declaration.signedness) {
+ ret = -1;
+ goto end;
+ }
+
+ length = container_of(length_field, struct bt_ctf_field_integer,
+ parent);
+ sequence_length = length->definition.value._unsigned;
+ sequence = container_of(field, struct bt_ctf_field_sequence, parent);
+ if (sequence->elements) {
+ g_ptr_array_free(sequence->elements, TRUE);
+ bt_ctf_field_put(sequence->length);
+ }
+
+ sequence->elements = g_ptr_array_new_full((size_t)sequence_length,
+ (GDestroyNotify)bt_ctf_field_put);
+ if (!sequence->elements) {
+ ret = -1;
+ goto end;
+ }
+
+ g_ptr_array_set_size(sequence->elements, (size_t)sequence_length);
+ bt_ctf_field_get(length_field);
+ sequence->length = length_field;
+end:
+ return ret;
+}
+
+struct bt_ctf_field *bt_ctf_field_structure_get_field(
+ struct bt_ctf_field *field, const char *name)
+{
+ struct bt_ctf_field *new_field = NULL;
+ GQuark field_quark;
+ struct bt_ctf_field_structure *structure;
+ struct bt_ctf_field_type_structure *structure_type;
+ struct bt_ctf_field_type *field_type;
+ size_t index;
+
+ if (!field || !name ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRUCT) {
+ goto error;
+ }
+
+ field_quark = g_quark_from_string(name);
+ structure = container_of(field, struct bt_ctf_field_structure, parent);
+ structure_type = container_of(field->type,
+ struct bt_ctf_field_type_structure, parent);
+ field_type = bt_ctf_field_type_structure_get_type(structure_type, name);
+ if (!g_hash_table_lookup_extended(structure->field_name_to_index,
+ GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) {
+ goto error;
+ }
+
+ if (structure->fields->pdata[index]) {
+ new_field = structure->fields->pdata[index];
+ goto end;
+ }
+
+ new_field = bt_ctf_field_create(field_type);
+ if (!new_field) {
+ goto error;
+ }
+
+ structure->fields->pdata[index] = new_field;
+end:
+ bt_ctf_field_get(new_field);
+error:
+ return new_field;
+}
+
+BT_HIDDEN
+int bt_ctf_field_structure_set_field(struct bt_ctf_field *field,
+ const char *name, struct bt_ctf_field *value)
+{
+ int ret = 0;
+ GQuark field_quark;
+ struct bt_ctf_field_structure *structure;
+ struct bt_ctf_field_type_structure *structure_type;
+ struct bt_ctf_field_type *expected_field_type;
+ size_t index;
+
+ if (!field || !name || !value ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ field_quark = g_quark_from_string(name);
+ structure = container_of(field, struct bt_ctf_field_structure, parent);
+ structure_type = container_of(field->type,
+ struct bt_ctf_field_type_structure, parent);
+ expected_field_type = bt_ctf_field_type_structure_get_type(
+ structure_type, name);
+ if (expected_field_type != value->type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!g_hash_table_lookup_extended(structure->field_name_to_index,
+ GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) {
+ goto end;
+ }
+
+ if (structure->fields->pdata[index]) {
+ bt_ctf_field_put(structure->fields->pdata[index]);
+ }
+
+ structure->fields->pdata[index] = value;
+ bt_ctf_field_get(value);
+end:
+ return ret;
+}
+
+struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field,
+ uint64_t index)
+{
+ struct bt_ctf_field *new_field = NULL;
+ struct bt_ctf_field_array *array;
+ struct bt_ctf_field_type_array *array_type;
+ struct bt_ctf_field_type *field_type;
+
+ if (!field || bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_ARRAY) {
+ goto end;
+ }
+
+ array = container_of(field, struct bt_ctf_field_array, parent);
+ if (index >= array->elements->len) {
+ goto end;
+ }
+
+ array_type = container_of(field->type, struct bt_ctf_field_type_array,
+ parent);
+ field_type = bt_ctf_field_type_array_get_element_type(array_type);
+ if (array->elements->pdata[(size_t)index]) {
+ new_field = array->elements->pdata[(size_t)index];
+ goto end;
+ }
+
+ new_field = bt_ctf_field_create(field_type);
+ bt_ctf_field_get(new_field);
+ array->elements->pdata[(size_t)index] = new_field;
+end:
+ return new_field;
+}
+
+struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field,
+ uint64_t index)
+{
+ struct bt_ctf_field *new_field = NULL;
+ struct bt_ctf_field_sequence *sequence;
+ struct bt_ctf_field_type_sequence *sequence_type;
+ struct bt_ctf_field_type *field_type;
+
+ if (!field || bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_SEQUENCE) {
+ goto end;
+ }
+
+ sequence = container_of(field, struct bt_ctf_field_sequence, parent);
+ if (!sequence->elements || sequence->elements->len <= index) {
+ goto end;
+ }
+
+ sequence_type = container_of(field->type,
+ struct bt_ctf_field_type_sequence, parent);
+ field_type = bt_ctf_field_type_sequence_get_element_type(sequence_type);
+ if (sequence->elements->pdata[(size_t)index]) {
+ new_field = sequence->elements->pdata[(size_t)index];
+ goto end;
+ }
+
+ new_field = bt_ctf_field_create(field_type);
+ bt_ctf_field_get(new_field);
+ sequence->elements->pdata[(size_t)index] = new_field;
+end:
+ return new_field;
+}
+
+struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field,
+ struct bt_ctf_field *tag_field)
+{
+ struct bt_ctf_field *new_field = NULL;
+ struct bt_ctf_field_variant *variant;
+ struct bt_ctf_field_type_variant *variant_type;
+ struct bt_ctf_field_type *field_type;
+ struct bt_ctf_field *tag_enum = NULL;
+ struct bt_ctf_field_integer *tag_enum_integer;
+ int64_t tag_enum_value;
+
+ if (!field || !tag_field ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_VARIANT ||
+ bt_ctf_field_type_get_type_id(tag_field->type) !=
+ CTF_TYPE_ENUM) {
+ goto end;
+ }
+
+ variant = container_of(field, struct bt_ctf_field_variant, parent);
+ variant_type = container_of(field->type,
+ struct bt_ctf_field_type_variant, parent);
+ tag_enum = bt_ctf_field_enumeration_get_container(tag_field);
+ if (!tag_enum) {
+ goto end;
+ }
+
+ tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer,
+ parent);
+
+ if (!bt_ctf_field_validate(variant->tag)) {
+ goto end;
+ }
+
+ tag_enum_value = tag_enum_integer->definition.value._signed;
+ field_type = bt_ctf_field_type_variant_get_field_type(variant_type,
+ tag_enum_value);
+ if (!field_type) {
+ goto end;
+ }
+
+ new_field = bt_ctf_field_create(field_type);
+ if (!new_field) {
+ goto end;
+ }
+
+ bt_ctf_field_put(variant->tag);
+ bt_ctf_field_put(variant->payload);
+ bt_ctf_field_get(new_field);
+ bt_ctf_field_get(tag_field);
+ variant->tag = tag_field;
+ variant->payload = new_field;
+end:
+ bt_ctf_field_put(tag_enum);
+ return new_field;
+}
+
+struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
+ struct bt_ctf_field *field)
+{
+ struct bt_ctf_field *container = NULL;
+ struct bt_ctf_field_enumeration *enumeration;
+
+ if (!field) {
+ goto end;
+ }
+
+ enumeration = container_of(field, struct bt_ctf_field_enumeration,
+ parent);
+ if (!enumeration->payload) {
+ struct bt_ctf_field_type_enumeration *enumeration_type =
+ container_of(field->type,
+ struct bt_ctf_field_type_enumeration, parent);
+ enumeration->payload =
+ bt_ctf_field_create(enumeration_type->container);
+ }
+
+ container = enumeration->payload;
+ bt_ctf_field_get(container);
+end:
+ return container;
+}
+
+int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field,
+ int64_t value)
+{
+ int ret = 0;
+ struct bt_ctf_field_integer *integer;
+ struct bt_ctf_field_type_integer *integer_type;
+ unsigned int size;
+ int64_t min_value, max_value;
+
+ if (!field ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(field, struct bt_ctf_field_integer, parent);
+ integer_type = container_of(field->type,
+ struct bt_ctf_field_type_integer, parent);
+ if (!integer_type->declaration.signedness) {
+ ret = -1;
+ goto end;
+ }
+
+ size = integer_type->declaration.len;
+ min_value = -((int64_t)1 << (size - 1));
+ max_value = ((int64_t)1 << (size - 1)) - 1;
+ if (value < min_value || value > max_value) {
+ ret = -1;
+ goto end;
+ }
+
+ integer->definition.value._signed = value;
+ integer->parent.payload_set = 1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field,
+ uint64_t value)
+{
+ int ret = 0;
+ struct bt_ctf_field_integer *integer;
+ struct bt_ctf_field_type_integer *integer_type;
+ unsigned int size;
+ uint64_t max_value;
+
+ if (!field ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(field, struct bt_ctf_field_integer, parent);
+ integer_type = container_of(field->type,
+ struct bt_ctf_field_type_integer, parent);
+ if (integer_type->declaration.signedness) {
+ ret = -1;
+ goto end;
+ }
+
+ size = integer_type->declaration.len;
+ max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1;
+ if (value > max_value) {
+ ret = -1;
+ goto end;
+ }
+
+ integer->definition.value._unsigned = value;
+ integer->parent.payload_set = 1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field,
+ double value)
+{
+ int ret = 0;
+ struct bt_ctf_field_floating_point *floating_point;
+
+ if (!field ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_FLOAT) {
+ ret = -1;
+ goto end;
+ }
+ floating_point = container_of(field, struct bt_ctf_field_floating_point,
+ parent);
+ floating_point->definition.value = value;
+ floating_point->parent.payload_set = 1;
+end:
+ return ret;
+}
+
+int bt_ctf_field_string_set_value(struct bt_ctf_field *field,
+ const char *value)
+{
+ int ret = 0;
+ struct bt_ctf_field_string *string;
+
+ if (!field || !value ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRING) {
+ ret = -1;
+ goto end;
+ }
+
+ string = container_of(field, struct bt_ctf_field_string, parent);
+ if (string->payload) {
+ g_string_free(string->payload, TRUE);
+ }
+
+ string->payload = g_string_new(value);
+ string->parent.payload_set = 1;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_validate(struct bt_ctf_field *field)
+{
+ int ret = 0;
+ enum ctf_type_id type_id;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(field->type);
+ if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = field_validate_funcs[type_id](field);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_field_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ int ret = 0;
+ enum ctf_type_id type_id;
+
+ if (!field || !pos) {
+ ret = -1;
+ goto end;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(field->type);
+ if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = field_serialize_funcs[type_id](field, pos);
+end:
+ return ret;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_integer *integer_type = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+ struct bt_ctf_field_integer *integer = g_new0(
+ struct bt_ctf_field_integer, 1);
+
+ if (integer) {
+ integer->definition.declaration = &integer_type->declaration;
+ }
+
+ return integer ? &integer->parent : NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_enumeration_create(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_enumeration *enumeration = g_new0(
+ struct bt_ctf_field_enumeration, 1);
+
+ return enumeration ? &enumeration->parent : NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_floating_point_create(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_floating_point *floating_point;
+ struct bt_ctf_field_type_floating_point *floating_point_type;
+
+ floating_point = g_new0(struct bt_ctf_field_floating_point, 1);
+ if (!floating_point) {
+ goto end;
+ }
+
+ floating_point_type = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ floating_point->definition.declaration = container_of(
+ type->declaration, struct declaration_float, p);
+
+
+ floating_point->definition.sign = &floating_point->sign;
+ floating_point->sign.declaration = &floating_point_type->sign;
+ floating_point->definition.sign->p.declaration =
+ &floating_point_type->sign.p;
+
+ floating_point->definition.mantissa = &floating_point->mantissa;
+ floating_point->mantissa.declaration = &floating_point_type->mantissa;
+ floating_point->definition.mantissa->p.declaration =
+ &floating_point_type->mantissa.p;
+
+ floating_point->definition.exp = &floating_point->exp;
+ floating_point->exp.declaration = &floating_point_type->exp;
+ floating_point->definition.exp->p.declaration =
+ &floating_point_type->exp.p;
+
+end:
+ return floating_point ? &floating_point->parent : NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_structure_create(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_structure *structure_type = container_of(type,
+ struct bt_ctf_field_type_structure, parent);
+ struct bt_ctf_field_structure *structure = g_new0(
+ struct bt_ctf_field_structure, 1);
+ struct bt_ctf_field *field = NULL;
+
+ if (!structure || !structure_type->fields->len) {
+ goto end;
+ }
+
+ structure->field_name_to_index = structure_type->field_name_to_index;
+ structure->fields = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_field_put);
+ g_ptr_array_set_size(structure->fields,
+ g_hash_table_size(structure->field_name_to_index));
+ field = &structure->parent;
+end:
+ return field;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_variant *variant = g_new0(
+ struct bt_ctf_field_variant, 1);
+ return variant ? &variant->parent : NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1);
+ struct bt_ctf_field_type_array *array_type;
+ unsigned int array_length;
+
+ if (!array || !type) {
+ goto error;
+ }
+
+ array_type = container_of(type, struct bt_ctf_field_type_array, parent);
+ array_length = array_type->length;
+ array->elements = g_ptr_array_new_full(array_length,
+ (GDestroyNotify)bt_ctf_field_put);
+ if (!array->elements) {
+ goto error;
+ }
+
+ g_ptr_array_set_size(array->elements, array_length);
+ return &array->parent;
+error:
+ g_free(array);
+ return NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_sequence_create(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_sequence *sequence = g_new0(
+ struct bt_ctf_field_sequence, 1);
+ return sequence ? &sequence->parent : NULL;
+}
+
+static
+struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_string *string = g_new0(
+ struct bt_ctf_field_string, 1);
+ return string ? &string->parent : NULL;
+}
+
+static
+void bt_ctf_field_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field *field;
+ struct bt_ctf_field_type *type;
+ enum ctf_type_id type_id;
+
+ if (!ref) {
+ return;
+ }
+
+ field = container_of(ref, struct bt_ctf_field, ref_count);
+ type = field->type;
+ type_id = bt_ctf_field_type_get_type_id(type);
+ if (type_id <= CTF_TYPE_UNKNOWN ||
+ type_id >= NR_CTF_TYPES) {
+ return;
+ }
+
+ field_destroy_funcs[type_id](field);
+ if (type) {
+ bt_ctf_field_type_put(type);
+ }
+}
+
+static
+void bt_ctf_field_integer_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_integer *integer;
+
+ if (!field) {
+ return;
+ }
+
+ integer = container_of(field, struct bt_ctf_field_integer, parent);
+ g_free(integer);
+}
+
+static
+void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_enumeration *enumeration;
+
+ if (!field) {
+ return;
+ }
+
+ enumeration = container_of(field, struct bt_ctf_field_enumeration,
+ parent);
+ bt_ctf_field_put(enumeration->payload);
+ g_free(enumeration);
+}
+
+static
+void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_floating_point *floating_point;
+
+ if (!field) {
+ return;
+ }
+
+ floating_point = container_of(field, struct bt_ctf_field_floating_point,
+ parent);
+ g_free(floating_point);
+}
+
+static
+void bt_ctf_field_structure_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_structure *structure;
+
+ if (!field) {
+ return;
+ }
+
+ structure = container_of(field, struct bt_ctf_field_structure, parent);
+ g_ptr_array_free(structure->fields, TRUE);
+ g_free(structure);
+}
+
+static
+void bt_ctf_field_variant_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_variant *variant;
+
+ if (!field) {
+ return;
+ }
+
+ variant = container_of(field, struct bt_ctf_field_variant, parent);
+ bt_ctf_field_put(variant->tag);
+ bt_ctf_field_put(variant->payload);
+ g_free(variant);
+}
+
+static
+void bt_ctf_field_array_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_array *array;
+
+ if (!field) {
+ return;
+ }
+
+ array = container_of(field, struct bt_ctf_field_array, parent);
+ g_ptr_array_free(array->elements, TRUE);
+ g_free(array);
+}
+
+static
+void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_sequence *sequence;
+
+ if (!field) {
+ return;
+ }
+
+ sequence = container_of(field, struct bt_ctf_field_sequence, parent);
+ g_ptr_array_free(sequence->elements, TRUE);
+ bt_ctf_field_put(sequence->length);
+ g_free(sequence);
+}
+
+static
+void bt_ctf_field_string_destroy(struct bt_ctf_field *field)
+{
+ struct bt_ctf_field_string *string;
+ if (!field) {
+ return;
+ }
+
+ string = container_of(field, struct bt_ctf_field_string, parent);
+ g_string_free(string->payload, TRUE);
+ g_free(string);
+}
+
+static
+int bt_ctf_field_generic_validate(struct bt_ctf_field *field)
+{
+ return !(field && field->payload_set);
+}
+
+static
+int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field)
+{
+ int ret;
+ struct bt_ctf_field_enumeration *enumeration;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ enumeration = container_of(field, struct bt_ctf_field_enumeration,
+ parent);
+ if (!enumeration->payload) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_validate(enumeration->payload);
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_structure_validate(struct bt_ctf_field *field)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_structure *structure;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ structure = container_of(field, struct bt_ctf_field_structure, parent);
+ for (i = 0; i < structure->fields->len; i++) {
+ ret = bt_ctf_field_validate(structure->fields->pdata[i]);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_variant_validate(struct bt_ctf_field *field)
+{
+ int ret = 0;
+ struct bt_ctf_field_variant *variant;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(field, struct bt_ctf_field_variant, parent);
+ ret = bt_ctf_field_validate(variant->payload);
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_array_validate(struct bt_ctf_field *field)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_array *array;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ array = container_of(field, struct bt_ctf_field_array, parent);
+ for (i = 0; i < array->elements->len; i++) {
+ ret = bt_ctf_field_validate(array->elements->pdata[i]);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_sequence_validate(struct bt_ctf_field *field)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_sequence *sequence;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ sequence = container_of(field, struct bt_ctf_field_sequence, parent);
+ for (i = 0; i < sequence->elements->len; i++) {
+ ret = bt_ctf_field_validate(sequence->elements->pdata[i]);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_integer_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ int ret = 0;
+ struct bt_ctf_field_integer *integer = container_of(field,
+ struct bt_ctf_field_integer, parent);
+
+retry:
+ ret = ctf_integer_write(&pos->parent, &integer->definition.p);
+ if (ret == -EFAULT) {
+ /*
+ * The field is too large to fit in the current packet's
+ * remaining space. Bump the packet size and retry.
+ */
+ ret = increase_packet_size(pos);
+ if (ret) {
+ goto end;
+ }
+ goto retry;
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ struct bt_ctf_field_enumeration *enumeration = container_of(
+ field, struct bt_ctf_field_enumeration, parent);
+
+ return bt_ctf_field_serialize(enumeration->payload, pos);
+}
+
+static
+int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ int ret = 0;
+ struct bt_ctf_field_floating_point *floating_point = container_of(field,
+ struct bt_ctf_field_floating_point, parent);
+
+retry:
+ ret = ctf_float_write(&pos->parent, &floating_point->definition.p);
+ if (ret == -EFAULT) {
+ /*
+ * The field is too large to fit in the current packet's
+ * remaining space. Bump the packet size and retry.
+ */
+ ret = increase_packet_size(pos);
+ if (ret) {
+ goto end;
+ }
+ goto retry;
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_structure_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_structure *structure = container_of(
+ field, struct bt_ctf_field_structure, parent);
+
+ while (!ctf_pos_access_ok(pos,
+ offset_align(pos->offset,
+ field->type->declaration->alignment))) {
+ increase_packet_size(pos);
+ }
+
+ ctf_align_pos(pos, field->type->declaration->alignment);
+
+ for (i = 0; i < structure->fields->len; i++) {
+ struct bt_ctf_field *field = g_ptr_array_index(
+ structure->fields, i);
+
+ ret = bt_ctf_field_serialize(field, pos);
+ if (ret) {
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static
+int bt_ctf_field_variant_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ struct bt_ctf_field_variant *variant = container_of(
+ field, struct bt_ctf_field_variant, parent);
+
+ return bt_ctf_field_serialize(variant->payload, pos);
+}
+
+static
+int bt_ctf_field_array_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_array *array = container_of(
+ field, struct bt_ctf_field_array, parent);
+
+ for (i = 0; i < array->elements->len; i++) {
+ ret = bt_ctf_field_serialize(
+ g_ptr_array_index(array->elements, i), pos);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_sequence *sequence = container_of(
+ field, struct bt_ctf_field_sequence, parent);
+
+ for (i = 0; i < sequence->elements->len; i++) {
+ ret = bt_ctf_field_serialize(
+ g_ptr_array_index(sequence->elements, i), pos);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_string_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field_string *string = container_of(field,
+ struct bt_ctf_field_string, parent);
+ struct bt_ctf_field_type *character_type =
+ get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
+ struct bt_ctf_field *character = bt_ctf_field_create(character_type);
+
+ for (i = 0; i < string->payload->len + 1; i++) {
+ ret = bt_ctf_field_unsigned_integer_set_value(character,
+ (uint64_t) string->payload->str[i]);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_integer_serialize(character, pos);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ bt_ctf_field_put(character);
+ bt_ctf_field_type_put(character_type);
+ return ret;
+}
+
+static
+int increase_packet_size(struct ctf_stream_pos *pos)
+{
+ int ret;
+
+ assert(pos);
+ ret = munmap_align(pos->base_mma);
+ if (ret) {
+ goto end;
+ }
+
+ pos->packet_size += PACKET_LEN_INCREMENT;
+ ret = posix_fallocate(pos->fd, pos->mmap_offset,
+ pos->packet_size / CHAR_BIT);
+ if (ret) {
+ goto end;
+ }
+
+ pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot,
+ pos->flags, pos->fd, pos->mmap_offset);
+ if (pos->base_mma == MAP_FAILED) {
+ ret = -1;
+ }
+end:
+ return ret;
+}
--- /dev/null
+/*
+ * event-types.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event-types-internal.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/endian.h>
+#include <float.h>
+#include <inttypes.h>
+
+struct range_overlap_query {
+ int64_t range_start, range_end;
+ int overlaps;
+ GQuark mapping_name;
+};
+
+static
+void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *);
+static
+void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *);
+
+static
+void (* const type_destroy_funcs[])(struct bt_ctf_ref *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_destroy,
+ [CTF_TYPE_ENUM] =
+ bt_ctf_field_type_enumeration_destroy,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_type_floating_point_destroy,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_destroy,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_destroy,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_destroy,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_destroy,
+ [CTF_TYPE_STRING] = bt_ctf_field_type_string_destroy,
+};
+
+static
+void generic_field_type_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *);
+static
+void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *);
+
+static
+type_freeze_func const type_freeze_funcs[] = {
+ [CTF_TYPE_INTEGER] = generic_field_type_freeze,
+ [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_freeze,
+ [CTF_TYPE_FLOAT] = generic_field_type_freeze,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_freeze,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_freeze,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_freeze,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_freeze,
+ [CTF_TYPE_STRING] = generic_field_type_freeze,
+};
+
+static
+int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_floating_point_serialize(
+ struct bt_ctf_field_type *, struct metadata_context *);
+static
+int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+static
+int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *,
+ struct metadata_context *);
+
+static
+type_serialize_func const type_serialize_funcs[] = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_serialize,
+ [CTF_TYPE_ENUM] =
+ bt_ctf_field_type_enumeration_serialize,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_type_floating_point_serialize,
+ [CTF_TYPE_STRUCT] =
+ bt_ctf_field_type_structure_serialize,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_serialize,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_serialize,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_serialize,
+ [CTF_TYPE_STRING] = bt_ctf_field_type_string_serialize,
+};
+
+static
+void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *,
+ int byte_order);
+static
+void bt_ctf_field_type_floating_point_set_byte_order(
+ struct bt_ctf_field_type *, int byte_order);
+
+static
+void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *,
+ int) = {
+ [CTF_TYPE_INTEGER] =
+ bt_ctf_field_type_integer_set_byte_order,
+ [CTF_TYPE_FLOAT] =
+ bt_ctf_field_type_floating_point_set_byte_order,
+ [CTF_TYPE_ENUM ... CTF_TYPE_SEQUENCE] = NULL,
+};
+
+
+static
+void destroy_enumeration_mapping(struct enumeration_mapping *mapping)
+{
+ g_free(mapping);
+}
+
+static
+void destroy_structure_field(struct structure_field *field)
+{
+ if (field->type) {
+ bt_ctf_field_type_put(field->type);
+ }
+
+ g_free(field);
+}
+
+static
+void check_ranges_overlap(gpointer element, gpointer query)
+{
+ struct enumeration_mapping *mapping = element;
+ struct range_overlap_query *overlap_query = query;
+
+ if (mapping->range_start <= overlap_query->range_end
+ && overlap_query->range_start <= mapping->range_end) {
+ overlap_query->overlaps = 1;
+ overlap_query->mapping_name = mapping->string;
+ }
+
+ overlap_query->overlaps |=
+ mapping->string == overlap_query->mapping_name;
+}
+
+static
+void bt_ctf_field_type_init(struct bt_ctf_field_type *type)
+{
+ enum ctf_type_id type_id = type->declaration->id;
+ int ret;
+
+ assert(type && (type_id > CTF_TYPE_UNKNOWN) &&
+ (type_id < NR_CTF_TYPES));
+
+ bt_ctf_ref_init(&type->ref_count);
+ type->freeze = type_freeze_funcs[type_id];
+ type->serialize = type_serialize_funcs[type_id];
+ ret = bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE);
+ assert(!ret);
+ type->declaration->alignment = 1;
+}
+
+static
+int add_structure_field(GPtrArray *fields,
+ GHashTable *field_name_to_index,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ int ret = 0;
+ GQuark name_quark = g_quark_from_string(field_name);
+ struct structure_field *field;
+
+ /* Make sure structure does not contain a field of the same name */
+ if (g_hash_table_contains(field_name_to_index,
+ GUINT_TO_POINTER(name_quark))) {
+ ret = -1;
+ goto end;
+ }
+
+ field = g_new0(struct structure_field, 1);
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_ctf_field_type_get(field_type);
+ field->name = name_quark;
+ field->type = field_type;
+ g_hash_table_insert(field_name_to_index,
+ (gpointer) (unsigned long) name_quark,
+ (gpointer) (unsigned long) fields->len);
+ g_ptr_array_add(fields, field);
+ bt_ctf_field_type_freeze(field_type);
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size)
+{
+ struct bt_ctf_field_type_integer *integer =
+ g_new0(struct bt_ctf_field_type_integer, 1);
+
+ if (!integer || size > 64) {
+ return NULL;
+ }
+
+ integer->parent.declaration = &integer->declaration.p;
+ integer->parent.declaration->id = CTF_TYPE_INTEGER;
+ integer->declaration.len = size;
+ integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL;
+ integer->declaration.encoding = CTF_STRING_NONE;
+ bt_ctf_field_type_init(&integer->parent);
+ return &integer->parent;
+}
+
+int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type,
+ int is_signed)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->frozen ||
+ type->declaration->id != CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ if (is_signed && integer->declaration.len <= 1) {
+ ret = -1;
+ goto end;
+ }
+
+ integer->declaration.signedness = !!is_signed;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type,
+ enum bt_ctf_integer_base base)
+{
+ int ret = 0;
+
+ if (!type || type->frozen ||
+ type->declaration->id != CTF_TYPE_INTEGER) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (base) {
+ case BT_CTF_INTEGER_BASE_BINARY:
+ case BT_CTF_INTEGER_BASE_OCTAL:
+ case BT_CTF_INTEGER_BASE_DECIMAL:
+ case BT_CTF_INTEGER_BASE_HEXADECIMAL:
+ {
+ struct bt_ctf_field_type_integer *integer = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+ integer->declaration.base = base;
+ break;
+ }
+ default:
+ ret = -1;
+ }
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type,
+ enum ctf_string_encoding encoding)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != CTF_TYPE_INTEGER) ||
+ (encoding < CTF_STRING_NONE) ||
+ (encoding >= CTF_STRING_UNKNOWN)) {
+ ret = -1;
+ goto end;
+ }
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ integer->declaration.encoding = encoding;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(
+ struct bt_ctf_field_type *integer_container_type)
+{
+ struct bt_ctf_field_type_enumeration *enumeration = NULL;
+
+ if (!integer_container_type) {
+ goto error;
+ }
+
+ enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1);
+ if (!enumeration) {
+ goto error;
+ }
+
+ enumeration->parent.declaration = &enumeration->declaration.p;
+ enumeration->parent.declaration->id = CTF_TYPE_ENUM;
+ bt_ctf_field_type_get(integer_container_type);
+ enumeration->container = integer_container_type;
+ enumeration->entries = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)destroy_enumeration_mapping);
+ bt_ctf_field_type_init(&enumeration->parent);
+ return &enumeration->parent;
+error:
+ g_free(enumeration);
+ return NULL;
+}
+
+int bt_ctf_field_type_enumeration_add_mapping(
+ struct bt_ctf_field_type *type, const char *string,
+ int64_t range_start, int64_t range_end)
+{
+ int ret = 0;
+ GQuark mapping_name;
+ struct enumeration_mapping *mapping;
+ struct bt_ctf_field_type_enumeration *enumeration;
+ struct range_overlap_query query;
+
+ if (!type || (type->declaration->id != CTF_TYPE_ENUM) ||
+ type->frozen ||
+ (range_end < range_start)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (validate_identifier(string)) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping_name = g_quark_from_string(string);
+ query = (struct range_overlap_query) { .range_start = range_start,
+ .range_end = range_end,
+ .mapping_name = mapping_name,
+ .overlaps = 0 };
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ /* Check that the range does not overlap with one already present */
+ g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query);
+ if (query.overlaps) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping = g_new(struct enumeration_mapping, 1);
+ if (!mapping) {
+ ret = -1;
+ goto end;
+ }
+
+ *mapping = (struct enumeration_mapping) {.range_start = range_start,
+ .range_end = range_end, .string = mapping_name};
+ g_ptr_array_add(enumeration->entries, mapping);
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void)
+{
+ struct bt_ctf_field_type_floating_point *floating_point =
+ g_new0(struct bt_ctf_field_type_floating_point, 1);
+
+ if (!floating_point) {
+ goto end;
+ }
+
+ floating_point->declaration.sign = &floating_point->sign;
+ floating_point->declaration.mantissa = &floating_point->mantissa;
+ floating_point->declaration.exp = &floating_point->exp;
+ floating_point->sign.len = 1;
+ floating_point->parent.declaration = &floating_point->declaration.p;
+ floating_point->parent.declaration->id = CTF_TYPE_FLOAT;
+ floating_point->declaration.exp->len =
+ sizeof(float) * CHAR_BIT - FLT_MANT_DIG;
+ floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1;
+ floating_point->sign.p.alignment = 1;
+ floating_point->mantissa.p.alignment = 1;
+ floating_point->exp.p.alignment = 1;
+
+ bt_ctf_field_type_init(&floating_point->parent);
+end:
+ return floating_point ? &floating_point->parent : NULL;
+}
+
+int bt_ctf_field_type_floating_point_set_exponent_digits(
+ struct bt_ctf_field_type *type,
+ unsigned int exponent_digits)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != CTF_TYPE_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) &&
+ (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) &&
+ (exponent_digits !=
+ sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point->declaration.exp->len = exponent_digits;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_floating_point_set_mantissa_digits(
+ struct bt_ctf_field_type *type,
+ unsigned int mantissa_digits)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!type || type->frozen ||
+ (type->declaration->id != CTF_TYPE_FLOAT)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+
+ if ((mantissa_digits != FLT_MANT_DIG) &&
+ (mantissa_digits != DBL_MANT_DIG) &&
+ (mantissa_digits != LDBL_MANT_DIG)) {
+ ret = -1;
+ goto end;
+ }
+
+ floating_point->declaration.mantissa->len = mantissa_digits - 1;
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void)
+{
+ struct bt_ctf_field_type_structure *structure =
+ g_new0(struct bt_ctf_field_type_structure, 1);
+
+ if (!structure) {
+ goto error;
+ }
+
+ structure->parent.declaration = &structure->declaration.p;
+ structure->parent.declaration->id = CTF_TYPE_STRUCT;
+ bt_ctf_field_type_init(&structure->parent);
+ structure->fields = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)destroy_structure_field);
+ structure->field_name_to_index = g_hash_table_new(NULL, NULL);
+ return &structure->parent;
+error:
+ return NULL;
+}
+
+int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!type || !field_type || type->frozen ||
+ validate_identifier(field_name) ||
+ (type->declaration->id != CTF_TYPE_STRUCT)) {
+ goto end;
+ }
+
+ structure = container_of(type,
+ struct bt_ctf_field_type_structure, parent);
+ if (add_structure_field(structure->fields,
+ structure->field_name_to_index, field_type, field_name)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->declaration->alignment < field_type->declaration->alignment) {
+ type->declaration->alignment =
+ field_type->declaration->alignment;
+ }
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_variant_create(
+ struct bt_ctf_field_type *enum_tag, const char *tag_name)
+{
+ struct bt_ctf_field_type_variant *variant = NULL;
+
+ if (!enum_tag || validate_identifier(tag_name) ||
+ (enum_tag->declaration->id != CTF_TYPE_ENUM)) {
+ goto error;
+ }
+
+ variant = g_new0(struct bt_ctf_field_type_variant, 1);
+ if (!variant) {
+ goto error;
+ }
+
+ variant->parent.declaration = &variant->declaration.p;
+ variant->parent.declaration->id = CTF_TYPE_VARIANT;
+ variant->tag_name = g_string_new(tag_name);
+ bt_ctf_field_type_init(&variant->parent);
+ variant->field_name_to_index = g_hash_table_new(NULL, NULL);
+ variant->fields = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)destroy_structure_field);
+ bt_ctf_field_type_get(enum_tag);
+ variant->tag = container_of(enum_tag,
+ struct bt_ctf_field_type_enumeration, parent);
+ return &variant->parent;
+error:
+ return NULL;
+}
+
+int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name)
+{
+ size_t i;
+ int ret = 0;
+ int name_found = 0;
+ struct bt_ctf_field_type_variant *variant;
+ GQuark field_name_quark = g_quark_from_string(field_name);
+
+ if (!type || !field_type || type->frozen ||
+ validate_identifier(field_name) ||
+ (type->declaration->id != CTF_TYPE_VARIANT)) {
+ ret = -1;
+ goto end;
+ }
+
+ variant = container_of(type, struct bt_ctf_field_type_variant, parent);
+ /* Make sure this name is present in the enum tag */
+ for (i = 0; i < variant->tag->entries->len; i++) {
+ struct enumeration_mapping *mapping =
+ g_ptr_array_index(variant->tag->entries, i);
+
+ if (mapping->string == field_name_quark) {
+ name_found = 1;
+ break;
+ }
+ }
+
+ if (!name_found || add_structure_field(variant->fields,
+ variant->field_name_to_index, field_type, field_name)) {
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_array_create(
+ struct bt_ctf_field_type *element_type,
+ unsigned int length)
+{
+ struct bt_ctf_field_type_array *array = NULL;
+
+ if (!element_type || length == 0) {
+ goto error;
+ }
+
+ array = g_new0(struct bt_ctf_field_type_array, 1);
+ if (!array) {
+ goto error;
+ }
+
+ array->parent.declaration = &array->declaration.p;
+ array->parent.declaration->id = CTF_TYPE_ARRAY;
+ bt_ctf_field_type_init(&array->parent);
+ bt_ctf_field_type_get(element_type);
+ array->element_type = element_type;
+ array->length = length;
+ array->parent.declaration->alignment =
+ element_type->declaration->alignment;
+ return &array->parent;
+error:
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_create(
+ struct bt_ctf_field_type *element_type,
+ const char *length_field_name)
+{
+ struct bt_ctf_field_type_sequence *sequence = NULL;
+
+ if (!element_type || validate_identifier(length_field_name)) {
+ goto error;
+ }
+
+ sequence = g_new0(struct bt_ctf_field_type_sequence, 1);
+ if (!sequence) {
+ goto error;
+ }
+
+ sequence->parent.declaration = &sequence->declaration.p;
+ sequence->parent.declaration->id = CTF_TYPE_SEQUENCE;
+ bt_ctf_field_type_init(&sequence->parent);
+ bt_ctf_field_type_get(element_type);
+ sequence->element_type = element_type;
+ sequence->length_field_name = g_string_new(length_field_name);
+ sequence->parent.declaration->alignment =
+ element_type->declaration->alignment;
+ return &sequence->parent;
+error:
+ return NULL;
+}
+
+struct bt_ctf_field_type *bt_ctf_field_type_string_create(void)
+{
+ struct bt_ctf_field_type_string *string =
+ g_new0(struct bt_ctf_field_type_string, 1);
+
+ if (!string) {
+ return NULL;
+ }
+
+ string->parent.declaration = &string->declaration.p;
+ string->parent.declaration->id = CTF_TYPE_STRING;
+ bt_ctf_field_type_init(&string->parent);
+ string->declaration.encoding = CTF_STRING_UTF8;
+ string->parent.declaration->alignment = CHAR_BIT;
+ return &string->parent;
+}
+
+int bt_ctf_field_type_string_set_encoding(
+ struct bt_ctf_field_type *type,
+ enum ctf_string_encoding encoding)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_string *string;
+
+ if (!type || type->declaration->id != CTF_TYPE_STRING ||
+ (encoding != CTF_STRING_UTF8 &&
+ encoding != CTF_STRING_ASCII)) {
+ ret = -1;
+ goto end;
+ }
+
+ string = container_of(type, struct bt_ctf_field_type_string, parent);
+ string->declaration.encoding = encoding;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type,
+ unsigned int alignment)
+{
+ int ret = 0;
+
+ /* Alignment must be bit-aligned (1) or byte aligned */
+ if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->declaration->id == CTF_TYPE_STRING &&
+ alignment != CHAR_BIT) {
+ ret = -1;
+ goto end;
+ }
+
+ type->declaration->alignment = alignment;
+ ret = 0;
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+ int internal_byte_order;
+ enum ctf_type_id type_id;
+
+ if (!type || type->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ type_id = type->declaration->id;
+ switch (byte_order) {
+ case BT_CTF_BYTE_ORDER_NATIVE:
+ internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN ?
+ LITTLE_ENDIAN : BIG_ENDIAN);
+ break;
+ case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
+ internal_byte_order = LITTLE_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
+ case BT_CTF_BYTE_ORDER_NETWORK:
+ internal_byte_order = BIG_ENDIAN;
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+
+ if (set_byte_order_funcs[type_id]) {
+ set_byte_order_funcs[type_id](type, internal_byte_order);
+ }
+end:
+ return ret;
+}
+
+void bt_ctf_field_type_get(struct bt_ctf_field_type *type)
+{
+ if (!type) {
+ return;
+ }
+
+ bt_ctf_ref_get(&type->ref_count);
+}
+
+void bt_ctf_field_type_put(struct bt_ctf_field_type *type)
+{
+ enum ctf_type_id type_id;
+
+ if (!type) {
+ return;
+ }
+
+ type_id = type->declaration->id;
+ assert(type_id > CTF_TYPE_UNKNOWN && type_id < NR_CTF_TYPES);
+ bt_ctf_ref_put(&type->ref_count, type_destroy_funcs[type_id]);
+}
+
+BT_HIDDEN
+void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type)
+{
+ if (!type) {
+ return;
+ }
+
+ type->freeze(type);
+}
+
+BT_HIDDEN
+enum ctf_type_id bt_ctf_field_type_get_type_id(
+ struct bt_ctf_field_type *type)
+{
+ if (!type) {
+ return CTF_TYPE_UNKNOWN;
+ }
+
+ return type->declaration->id;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type(
+ struct bt_ctf_field_type_structure *structure,
+ const char *name)
+{
+ struct bt_ctf_field_type *type = NULL;
+ struct structure_field *field;
+ GQuark name_quark = g_quark_try_string(name);
+ size_t index;
+
+ if (!name_quark) {
+ goto end;
+ }
+
+ if (!g_hash_table_lookup_extended(structure->field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) {
+ goto end;
+ }
+
+ field = structure->fields->pdata[index];
+ type = field->type;
+end:
+ return type;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(
+ struct bt_ctf_field_type_array *array)
+{
+ assert(array);
+ return array->element_type;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(
+ struct bt_ctf_field_type_sequence *sequence)
+{
+ assert(sequence);
+ return sequence->element_type;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type(
+ struct bt_ctf_field_type_variant *variant,
+ int64_t tag_value)
+{
+ struct bt_ctf_field_type *type = NULL;
+ GQuark field_name_quark;
+ gpointer index;
+ struct structure_field *field_entry;
+ struct range_overlap_query query = {.range_start = tag_value,
+ .range_end = tag_value, .mapping_name = 0, .overlaps = 0};
+
+ g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap,
+ &query);
+ if (!query.overlaps) {
+ goto end;
+ }
+
+ field_name_quark = query.mapping_name;
+ if (!g_hash_table_lookup_extended(variant->field_name_to_index,
+ GUINT_TO_POINTER(field_name_quark), NULL, &index)) {
+ goto end;
+ }
+
+ field_entry = g_ptr_array_index(variant->fields, (size_t)index);
+ type = field_entry->type;
+end:
+ return type;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret;
+
+ if (!type || !context) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = type->serialize(type, context);
+end:
+ return ret;
+}
+
+static
+void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_integer *integer;
+
+ if (!ref) {
+ return;
+ }
+
+ integer = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_integer, parent);
+ g_free(integer);
+}
+
+static
+void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_enumeration *enumeration;
+
+ if (!ref) {
+ return;
+ }
+
+ enumeration = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_enumeration, parent);
+ g_ptr_array_free(enumeration->entries, TRUE);
+ bt_ctf_field_type_put(enumeration->container);
+ g_free(enumeration);
+}
+
+static
+void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_floating_point *floating_point;
+
+ if (!ref) {
+ return;
+ }
+
+ floating_point = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_floating_point, parent);
+ g_free(floating_point);
+}
+
+static
+void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_structure *structure;
+
+ if (!ref) {
+ return;
+ }
+
+ structure = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_structure, parent);
+ g_ptr_array_free(structure->fields, TRUE);
+ g_hash_table_destroy(structure->field_name_to_index);
+ g_free(structure);
+}
+
+static
+void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_variant *variant;
+
+ if (!ref) {
+ return;
+ }
+
+ variant = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_variant, parent);
+ g_ptr_array_free(variant->fields, TRUE);
+ g_hash_table_destroy(variant->field_name_to_index);
+ g_string_free(variant->tag_name, TRUE);
+ bt_ctf_field_type_put(&variant->tag->parent);
+ g_free(variant);
+}
+
+static
+void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_array *array;
+
+ if (!ref) {
+ return;
+ }
+
+ array = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_array, parent);
+ bt_ctf_field_type_put(array->element_type);
+ g_free(array);
+}
+
+static
+void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_sequence *sequence;
+
+ if (!ref) {
+ return;
+ }
+
+ sequence = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_sequence, parent);
+ bt_ctf_field_type_put(sequence->element_type);
+ g_string_free(sequence->length_field_name, TRUE);
+ g_free(sequence);
+}
+
+static
+void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_field_type_string *string;
+
+ if (!ref) {
+ return;
+ }
+
+ string = container_of(
+ container_of(ref, struct bt_ctf_field_type, ref_count),
+ struct bt_ctf_field_type_string, parent);
+ g_free(string);
+}
+
+static
+void generic_field_type_freeze(struct bt_ctf_field_type *type)
+{
+ type->frozen = 1;
+}
+
+static
+void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_enumeration *enumeration_type = container_of(
+ type, struct bt_ctf_field_type_enumeration, parent);
+
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(enumeration_type->container);
+}
+
+static
+void freeze_structure_field(struct structure_field *field)
+{
+ bt_ctf_field_type_freeze(field->type);
+}
+
+static
+void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_structure *structure_type = container_of(
+ type, struct bt_ctf_field_type_structure, parent);
+
+ generic_field_type_freeze(type);
+ g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field,
+ NULL);
+}
+
+static
+void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_variant *variant_type = container_of(
+ type, struct bt_ctf_field_type_variant, parent);
+
+ generic_field_type_freeze(type);
+ g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field,
+ NULL);
+}
+
+static
+void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_array *array_type = container_of(
+ type, struct bt_ctf_field_type_array, parent);
+
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(array_type->element_type);
+}
+
+static
+void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type_sequence *sequence_type = container_of(
+ type, struct bt_ctf_field_type_sequence, parent);
+
+ generic_field_type_freeze(type);
+ bt_ctf_field_type_freeze(sequence_type->element_type);
+}
+
+static
+const char *get_encoding_string(enum ctf_string_encoding encoding)
+{
+ const char *encoding_string;
+
+ switch (encoding) {
+ case CTF_STRING_NONE:
+ encoding_string = "none";
+ break;
+ case CTF_STRING_ASCII:
+ encoding_string = "ASCII";
+ break;
+ case CTF_STRING_UTF8:
+ encoding_string = "UTF8";
+ break;
+ default:
+ encoding_string = "unknown";
+ break;
+ }
+
+ return encoding_string;
+}
+
+static
+const char *get_integer_base_string(enum bt_ctf_integer_base base)
+{
+ const char *base_string;
+
+ switch (base) {
+ case BT_CTF_INTEGER_BASE_DECIMAL:
+ base_string = "decimal";
+ break;
+ case BT_CTF_INTEGER_BASE_HEXADECIMAL:
+ base_string = "hexadecimal";
+ break;
+ case BT_CTF_INTEGER_BASE_OCTAL:
+ base_string = "octal";
+ break;
+ case BT_CTF_INTEGER_BASE_BINARY:
+ base_string = "binary";
+ break;
+ default:
+ base_string = "unknown";
+ break;
+ }
+
+ return base_string;
+}
+
+static
+int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_integer *integer = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+
+ g_string_append_printf(context->string,
+ "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s; }",
+ integer->declaration.len, type->declaration->alignment,
+ (integer->declaration.signedness ? "true" : "false"),
+ get_encoding_string(integer->declaration.encoding),
+ get_integer_base_string(integer->declaration.base),
+ get_byte_order_string(integer->declaration.byte_order));
+ return 0;
+}
+
+static
+int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t entry;
+ int ret = 0;
+ struct bt_ctf_field_type_enumeration *enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ g_string_append(context->string, "enum : ");
+ ret = bt_ctf_field_type_serialize(enumeration->container, context);
+ if (ret) {
+ goto end;
+ }
+
+ g_string_append(context->string, " { ");
+ for (entry = 0; entry < enumeration->entries->len; entry++) {
+ struct enumeration_mapping *mapping =
+ enumeration->entries->pdata[entry];
+
+ if (mapping->range_start == mapping->range_end) {
+ g_string_append_printf(context->string, "%s = %" PRId64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start);
+ } else {
+ g_string_append_printf(context->string,
+ "%s = %" PRId64 " ... %" PRId64,
+ g_quark_to_string(mapping->string),
+ mapping->range_start, mapping->range_end);
+ }
+
+ g_string_append(context->string,
+ ((entry != (enumeration->entries->len - 1)) ?
+ ", " : " }"));
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s",
+ context->field_name->str);
+ g_string_assign(context->field_name, "");
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_floating_point *floating_point = container_of(
+ type, struct bt_ctf_field_type_floating_point, parent);
+
+ g_string_append_printf(context->string,
+ "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }",
+ floating_point->declaration.exp->len,
+ floating_point->declaration.mantissa->len + 1,
+ get_byte_order_string(floating_point->declaration.byte_order),
+ type->declaration->alignment);
+ return 0;
+}
+
+static
+int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t i;
+ unsigned int indent;
+ int ret = 0;
+ struct bt_ctf_field_type_structure *structure = container_of(type,
+ struct bt_ctf_field_type_structure, parent);
+ GString *structure_field_name = context->field_name;
+
+ context->field_name = g_string_new("");
+
+ context->current_indentation_level++;
+ g_string_append(context->string, "struct {\n");
+
+ for (i = 0; i < structure->fields->len; i++) {
+ struct structure_field *field;
+
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ field = structure->fields->pdata[i];
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ ret = bt_ctf_field_type_serialize(field->type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s",
+ context->field_name->str);
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ context->current_indentation_level--;
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_append_printf(context->string, "} align(%zu)",
+ type->declaration->alignment);
+end:
+ g_string_free(context->field_name, TRUE);
+ context->field_name = structure_field_name;
+ return ret;
+}
+
+static
+int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ size_t i;
+ unsigned int indent;
+ int ret = 0;
+ struct bt_ctf_field_type_variant *variant = container_of(
+ type, struct bt_ctf_field_type_variant, parent);
+ GString *variant_field_name = context->field_name;
+
+ context->field_name = g_string_new("");
+ g_string_append_printf(context->string,
+ "variant <%s> {\n", variant->tag_name->str);
+ context->current_indentation_level++;
+ for (i = 0; i < variant->fields->len; i++) {
+ struct structure_field *field = variant->fields->pdata[i];
+
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_assign(context->field_name,
+ g_quark_to_string(field->name));
+ ret = bt_ctf_field_type_serialize(field->type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s;",
+ context->field_name->str);
+ }
+
+ g_string_append_c(context->string, '\n');
+ }
+
+ context->current_indentation_level--;
+ for (indent = 0; indent < context->current_indentation_level;
+ indent++) {
+ g_string_append_c(context->string, '\t');
+ }
+
+ g_string_append(context->string, "}");
+end:
+ g_string_free(context->field_name, TRUE);
+ context->field_name = variant_field_name;
+ return ret;
+}
+
+static
+int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_array *array = container_of(type,
+ struct bt_ctf_field_type_array, parent);
+
+ ret = bt_ctf_field_type_serialize(array->element_type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s[%u]",
+ context->field_name->str, array->length);
+ g_string_assign(context->field_name, "");
+ } else {
+ g_string_append_printf(context->string, "[%u]", array->length);
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ int ret = 0;
+ struct bt_ctf_field_type_sequence *sequence = container_of(
+ type, struct bt_ctf_field_type_sequence, parent);
+
+ ret = bt_ctf_field_type_serialize(sequence->element_type, context);
+ if (ret) {
+ goto end;
+ }
+
+ if (context->field_name->len) {
+ g_string_append_printf(context->string, " %s[%s]",
+ context->field_name->str,
+ sequence->length_field_name->str);
+ g_string_assign(context->field_name, "");
+ } else {
+ g_string_append_printf(context->string, "[%s]",
+ sequence->length_field_name->str);
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context)
+{
+ struct bt_ctf_field_type_string *string = container_of(
+ type, struct bt_ctf_field_type_string, parent);
+
+ g_string_append_printf(context->string,
+ "string { encoding = %s; }",
+ get_encoding_string(string->declaration.encoding));
+ return 0;
+}
+
+static
+void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type,
+ int byte_order)
+{
+ struct bt_ctf_field_type_integer *integer_type = container_of(type,
+ struct bt_ctf_field_type_integer, parent);
+
+ integer_type->declaration.byte_order = byte_order;
+}
+
+static
+void bt_ctf_field_type_floating_point_set_byte_order(
+ struct bt_ctf_field_type *type, int byte_order)
+{
+ struct bt_ctf_field_type_floating_point *floating_point_type =
+ container_of(type, struct bt_ctf_field_type_floating_point,
+ parent);
+
+ floating_point_type->declaration.byte_order = byte_order;
+ floating_point_type->sign.byte_order = byte_order;
+ floating_point_type->mantissa.byte_order = byte_order;
+ floating_point_type->exp.byte_order = byte_order;
+}
--- /dev/null
+/*
+ * event.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf-writer/event-fields-internal.h>
+#include <babeltrace/ctf-writer/event-types-internal.h>
+#include <babeltrace/ctf-writer/event-internal.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/compiler.h>
+
+static
+void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
+static
+void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
+
+struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
+{
+ struct bt_ctf_event_class *event_class = NULL;
+
+ if (validate_identifier(name)) {
+ goto end;
+ }
+
+ event_class = g_new0(struct bt_ctf_event_class, 1);
+ if (!event_class) {
+ goto end;
+ }
+
+ bt_ctf_ref_init(&event_class->ref_count);
+ event_class->name = g_quark_from_string(name);
+end:
+ return event_class;
+}
+
+int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *type,
+ const char *name)
+{
+ int ret = 0;
+
+ if (!event_class || !type || validate_identifier(name) ||
+ event_class->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!event_class->fields) {
+ event_class->fields = bt_ctf_field_type_structure_create();
+ if (!event_class->fields) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(event_class->fields,
+ type, name);
+end:
+ return ret;
+}
+
+void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
+{
+ if (!event_class) {
+ return;
+ }
+
+ bt_ctf_ref_get(&event_class->ref_count);
+}
+
+void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
+{
+ if (!event_class) {
+ return;
+ }
+
+ bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
+}
+
+struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
+{
+ struct bt_ctf_event *event = NULL;
+
+ if (!event_class) {
+ goto end;
+ }
+
+ event = g_new0(struct bt_ctf_event, 1);
+ if (!event) {
+ goto end;
+ }
+
+ bt_ctf_ref_init(&event->ref_count);
+ bt_ctf_event_class_get(event_class);
+ bt_ctf_event_class_freeze(event_class);
+ event->event_class = event_class;
+ event->context_payload = bt_ctf_field_create(event_class->context);
+ event->fields_payload = bt_ctf_field_create(event_class->fields);
+end:
+ return event;
+}
+
+int bt_ctf_event_set_payload(struct bt_ctf_event *event,
+ const char *name,
+ struct bt_ctf_field *value)
+{
+ int ret = 0;
+
+ if (!event || !value || validate_identifier(name)) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_structure_set_field(event->fields_payload,
+ name, value);
+end:
+ return ret;
+}
+
+
+struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
+ const char *name)
+{
+ struct bt_ctf_field *field = NULL;
+
+ if (!event || !name) {
+ goto end;
+ }
+
+ field = bt_ctf_field_structure_get_field(event->fields_payload, name);
+end:
+ return field;
+}
+
+void bt_ctf_event_get(struct bt_ctf_event *event)
+{
+ if (!event) {
+ return;
+ }
+
+ bt_ctf_ref_get(&event->ref_count);
+}
+
+void bt_ctf_event_put(struct bt_ctf_event *event)
+{
+ if (!event) {
+ return;
+ }
+
+ bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
+}
+
+static
+void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_event_class *event_class;
+
+ if (!ref) {
+ return;
+ }
+
+ event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
+ bt_ctf_field_type_put(event_class->context);
+ bt_ctf_field_type_put(event_class->fields);
+ g_free(event_class);
+}
+
+static
+void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_event *event;
+
+ if (!ref) {
+ return;
+ }
+
+ event = container_of(ref, struct bt_ctf_event,
+ ref_count);
+ bt_ctf_event_class_put(event->event_class);
+ bt_ctf_field_put(event->context_payload);
+ bt_ctf_field_put(event->fields_payload);
+ g_free(event);
+}
+
+BT_HIDDEN
+void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
+{
+ assert(event_class);
+ event_class->frozen = 1;
+ bt_ctf_field_type_freeze(event_class->context);
+ bt_ctf_field_type_freeze(event_class->fields);
+}
+
+BT_HIDDEN
+int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
+ uint32_t id)
+{
+ int ret = 0;
+
+ if (event_class->id_set && id != event_class->id) {
+ ret = -1;
+ goto end;
+ }
+
+ event_class->id = id;
+ event_class->id_set = 1;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+uint32_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
+{
+ assert(event_class);
+ return event_class->id;
+}
+
+BT_HIDDEN
+int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
+ uint32_t id)
+{
+ int ret = 0;
+
+ assert(event_class);
+ if (event_class->stream_id_set && id != event_class->stream_id) {
+ ret = -1;
+ goto end;
+ }
+
+ event_class->stream_id = id;
+ event_class->stream_id_set = 1;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
+ struct metadata_context *context)
+{
+ int ret = 0;
+
+ assert(event_class);
+ assert(context);
+ context->current_indentation_level = 1;
+ g_string_assign(context->field_name, "");
+ g_string_append_printf(context->string, "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRIu32 ";\n",
+ g_quark_to_string(event_class->name),
+ event_class->id,
+ event_class->stream_id);
+
+ if (event_class->context) {
+ g_string_append(context->string, "\tcontext := ");
+ ret = bt_ctf_field_type_serialize(event_class->context,
+ context);
+ if (ret) {
+ goto end;
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ if (event_class->fields) {
+ g_string_append(context->string, "\tfields := ");
+ ret = bt_ctf_field_type_serialize(event_class->fields, context);
+ if (ret) {
+ goto end;
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ g_string_append(context->string, "};\n\n");
+end:
+ context->current_indentation_level = 0;
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_event_validate(struct bt_ctf_event *event)
+{
+ /* Make sure each field's payload has been set */
+ int ret;
+
+ assert(event);
+ ret = bt_ctf_field_validate(event->fields_payload);
+ if (ret) {
+ goto end;
+ }
+
+ if (event->event_class->context) {
+ ret = bt_ctf_field_validate(event->context_payload);
+ }
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_event_serialize(struct bt_ctf_event *event,
+ struct ctf_stream_pos *pos)
+{
+ int ret = 0;
+
+ assert(event);
+ assert(pos);
+ if (event->context_payload) {
+ ret = bt_ctf_field_serialize(event->context_payload, pos);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ if (event->fields_payload) {
+ ret = bt_ctf_field_serialize(event->fields_payload, pos);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_event_set_timestamp(struct bt_ctf_event *event,
+ uint64_t timestamp)
+{
+ int ret = 0;
+
+ assert(event);
+ if (event->timestamp) {
+ ret = -1;
+ goto end;
+ }
+
+ event->timestamp = timestamp;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event)
+{
+ assert(event);
+ return event->timestamp;
+}
--- /dev/null
+/*
+ * functor.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <glib.h>
+#include <babeltrace/ctf-writer/functor-internal.h>
+
+BT_HIDDEN
+void value_exists(gpointer element, gpointer search_query)
+{
+ if (element == ((struct search_query *)search_query)->value) {
+ ((struct search_query *)search_query)->found = 1;
+ }
+}
--- /dev/null
+/*
+ * stream.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/clock-internal.h>
+#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-writer/event-internal.h>
+#include <babeltrace/ctf-writer/event-types-internal.h>
+#include <babeltrace/ctf-writer/event-fields-internal.h>
+#include <babeltrace/ctf-writer/stream.h>
+#include <babeltrace/ctf-writer/stream-internal.h>
+#include <babeltrace/ctf-writer/functor-internal.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/align.h>
+
+static
+void bt_ctf_stream_destroy(struct bt_ctf_ref *ref);
+static
+void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref);
+static
+int init_event_header(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order);
+static
+int init_packet_context(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order);
+static
+int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t);
+
+struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name)
+{
+ struct bt_ctf_stream_class *stream_class = NULL;
+
+ if (!name || !strlen(name)) {
+ goto error;
+ }
+
+ stream_class = g_new0(struct bt_ctf_stream_class, 1);
+ if (!stream_class) {
+ goto error;
+ }
+
+ stream_class->name = g_string_new(name);
+ stream_class->event_classes = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_event_class_put);
+ if (!stream_class->event_classes) {
+ goto error_destroy;
+ }
+
+ bt_ctf_ref_init(&stream_class->ref_count);
+ return stream_class;
+
+error_destroy:
+ bt_ctf_stream_class_destroy(&stream_class->ref_count);
+ stream_class = NULL;
+error:
+ return stream_class;
+}
+
+int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_clock *clock)
+{
+ int ret = 0;
+
+ if (!stream_class || !clock || stream_class->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ if (stream_class->clock) {
+ bt_ctf_clock_put(stream_class->clock);
+ }
+
+ stream_class->clock = clock;
+ bt_ctf_clock_get(clock);
+end:
+ return ret;
+}
+
+int bt_ctf_stream_class_add_event_class(
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_event_class *event_class)
+{
+ int ret = 0;
+
+ if (!stream_class || !event_class) {
+ ret = -1;
+ goto end;
+ }
+
+ /* Check for duplicate event classes */
+ struct search_query query = { .value = event_class, .found = 0 };
+ g_ptr_array_foreach(stream_class->event_classes, value_exists, &query);
+ if (query.found) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_event_class_set_id(event_class,
+ stream_class->next_event_id++)) {
+ /* The event is already associated to a stream class */
+ ret = -1;
+ goto end;
+ }
+
+ bt_ctf_event_class_get(event_class);
+ g_ptr_array_add(stream_class->event_classes, event_class);
+end:
+ return ret;
+}
+
+void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class)
+{
+ if (!stream_class) {
+ return;
+ }
+
+ bt_ctf_ref_get(&stream_class->ref_count);
+}
+
+void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class)
+{
+ if (!stream_class) {
+ return;
+ }
+
+ bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy);
+}
+
+BT_HIDDEN
+void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class)
+{
+ if (!stream_class) {
+ return;
+ }
+
+ stream_class->frozen = 1;
+ bt_ctf_clock_freeze(stream_class->clock);
+ g_ptr_array_foreach(stream_class->event_classes,
+ (GFunc)bt_ctf_event_class_freeze, NULL);
+}
+
+BT_HIDDEN
+int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
+ uint32_t id)
+{
+ int ret = 0;
+
+ if (!stream_class ||
+ (stream_class->id_set && (id != stream_class->id))) {
+ ret = -1;
+ goto end;
+ }
+
+ stream_class->id = id;
+ stream_class->id_set = 1;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+
+ ret = init_packet_context(stream_class, byte_order);
+ if (ret) {
+ goto end;
+ }
+
+ ret = init_event_header(stream_class, byte_order);
+ if (ret) {
+ goto end;
+ }
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class,
+ struct metadata_context *context)
+{
+ int ret = 0;
+ size_t i;
+
+ g_string_assign(context->field_name, "");
+ context->current_indentation_level = 1;
+ if (!stream_class->id_set) {
+ ret = -1;
+ goto end;
+ }
+
+ g_string_append_printf(context->string,
+ "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ",
+ stream_class->id);
+ ret = bt_ctf_field_type_serialize(stream_class->event_header_type,
+ context);
+ if (ret) {
+ goto end;
+ }
+
+ g_string_append(context->string, ";\n\n\tpacket.context := ");
+ ret = bt_ctf_field_type_serialize(stream_class->packet_context_type,
+ context);
+ if (ret) {
+ goto end;
+ }
+
+ if (stream_class->event_context_type) {
+ g_string_append(context->string, ";\n\n\tevent.context := ");
+ ret = bt_ctf_field_type_serialize(
+ stream_class->event_context_type, context);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ g_string_append(context->string, ";\n};\n\n");
+
+ /* Assign this stream's ID to every event and serialize them */
+ g_ptr_array_foreach(stream_class->event_classes,
+ (GFunc) bt_ctf_event_class_set_stream_id,
+ GUINT_TO_POINTER(stream_class->id));
+ for (i = 0; i < stream_class->event_classes->len; i++) {
+ struct bt_ctf_event_class *event_class =
+ stream_class->event_classes->pdata[i];
+
+ ret = bt_ctf_event_class_set_stream_id(event_class,
+ stream_class->id);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_event_class_serialize(event_class, context);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ context->current_indentation_level = 0;
+ return ret;
+}
+
+BT_HIDDEN
+struct bt_ctf_stream *bt_ctf_stream_create(
+ struct bt_ctf_stream_class *stream_class)
+{
+ struct bt_ctf_stream *stream = NULL;
+
+ if (!stream_class) {
+ goto end;
+ }
+
+ stream = g_new0(struct bt_ctf_stream, 1);
+ if (!stream) {
+ goto end;
+ }
+
+ bt_ctf_ref_init(&stream->ref_count);
+ stream->pos.fd = -1;
+ stream->id = stream_class->next_stream_id++;
+ stream->stream_class = stream_class;
+ bt_ctf_stream_class_get(stream_class);
+ bt_ctf_stream_class_freeze(stream_class);
+ stream->events = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_event_put);
+end:
+ return stream;
+}
+
+BT_HIDDEN
+int bt_ctf_stream_set_flush_callback(struct bt_ctf_stream *stream,
+ flush_func callback, void *data)
+{
+ int ret = stream ? 0 : -1;
+
+ if (!stream) {
+ goto end;
+ }
+
+ stream->flush.func = callback;
+ stream->flush.data = data;
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int bt_ctf_stream_set_fd(struct bt_ctf_stream *stream, int fd)
+{
+ int ret = 0;
+
+ if (stream->pos.fd != -1) {
+ ret = -1;
+ goto end;
+ }
+
+ ctf_init_pos(&stream->pos, NULL, fd, O_RDWR);
+ stream->pos.fd = fd;
+end:
+ return ret;
+}
+
+void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream,
+ uint64_t event_count)
+{
+ if (!stream) {
+ return;
+ }
+
+ stream->events_discarded += event_count;
+}
+
+int bt_ctf_stream_append_event(struct bt_ctf_stream *stream,
+ struct bt_ctf_event *event)
+{
+ int ret = 0;
+ uint64_t timestamp;
+
+ if (!stream || !event) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_event_validate(event);
+ if (ret) {
+ goto end;
+ }
+
+ timestamp = bt_ctf_clock_get_time(stream->stream_class->clock);
+ ret = bt_ctf_event_set_timestamp(event, timestamp);
+ if (ret) {
+ goto end;
+ }
+
+ bt_ctf_event_get(event);
+ g_ptr_array_add(stream->events, event);
+end:
+ return ret;
+}
+
+int bt_ctf_stream_flush(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+ size_t i;
+ uint64_t timestamp_begin, timestamp_end;
+ struct bt_ctf_stream_class *stream_class = stream->stream_class;
+ struct bt_ctf_field *integer = NULL;
+ struct ctf_stream_pos packet_context_pos;
+
+ if (!stream) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!stream->events->len) {
+ goto end;
+ }
+
+ if (stream->flush.func) {
+ stream->flush.func(stream, stream->flush.data);
+ }
+
+ timestamp_begin = ((struct bt_ctf_event *) g_ptr_array_index(
+ stream->events, 0))->timestamp;
+ timestamp_end = ((struct bt_ctf_event *) g_ptr_array_index(
+ stream->events, stream->events->len - 1))->timestamp;
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "timestamp_begin", timestamp_begin);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "timestamp_end", timestamp_end);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "events_discarded", stream->events_discarded);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "content_size", UINT64_MAX);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "packet_size", UINT64_MAX);
+ if (ret) {
+ goto end;
+ }
+
+ /* Write packet context */
+ memcpy(&packet_context_pos, &stream->pos,
+ sizeof(struct ctf_stream_pos));
+ ret = bt_ctf_field_serialize(stream_class->packet_context,
+ &stream->pos);
+ if (ret) {
+ goto end;
+ }
+
+ for (i = 0; i < stream->events->len; i++) {
+ struct bt_ctf_event *event = g_ptr_array_index(
+ stream->events, i);
+ uint32_t event_id = bt_ctf_event_class_get_id(
+ event->event_class);
+ uint64_t timestamp = bt_ctf_event_get_timestamp(event);
+
+ ret = set_structure_field_integer(stream_class->event_header,
+ "id", event_id);
+ if (ret) {
+ goto end;
+ }
+ ret = set_structure_field_integer(stream_class->event_header,
+ "timestamp", timestamp);
+ if (ret) {
+ goto end;
+ }
+
+ /* Write event header */
+ ret = bt_ctf_field_serialize(stream_class->event_header,
+ &stream->pos);
+ if (ret) {
+ goto end;
+ }
+
+ /* Write event content */
+ ret = bt_ctf_event_serialize(event, &stream->pos);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /*
+ * Update the packet total size and content size and overwrite the
+ * packet context.
+ */
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "content_size", stream->pos.offset);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_structure_field_integer(stream_class->packet_context,
+ "packet_size", stream->pos.packet_size);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_serialize(stream_class->packet_context,
+ &packet_context_pos);
+ if (ret) {
+ goto end;
+ }
+
+ g_ptr_array_set_size(stream->events, 0);
+ stream->flushed_packet_count++;
+end:
+ bt_ctf_field_put(integer);
+ return ret;
+}
+
+void bt_ctf_stream_get(struct bt_ctf_stream *stream)
+{
+ if (!stream) {
+ return;
+ }
+
+ bt_ctf_ref_get(&stream->ref_count);
+}
+
+void bt_ctf_stream_put(struct bt_ctf_stream *stream)
+{
+ if (!stream) {
+ return;
+ }
+
+ bt_ctf_ref_put(&stream->ref_count, bt_ctf_stream_destroy);
+}
+
+static
+void bt_ctf_stream_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_stream *stream;
+
+ if (!ref) {
+ return;
+ }
+
+ stream = container_of(ref, struct bt_ctf_stream, ref_count);
+ ctf_fini_pos(&stream->pos);
+ close(stream->pos.fd);
+ bt_ctf_stream_class_put(stream->stream_class);
+ g_ptr_array_free(stream->events, TRUE);
+ g_free(stream);
+}
+
+static
+void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_stream_class *stream_class;
+
+ if (!ref) {
+ return;
+ }
+
+ stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count);
+ bt_ctf_clock_put(stream_class->clock);
+
+ if (stream_class->event_classes) {
+ g_ptr_array_free(stream_class->event_classes, TRUE);
+ }
+
+ if (stream_class->name) {
+ g_string_free(stream_class->name, TRUE);
+ }
+
+ bt_ctf_field_type_put(stream_class->event_header_type);
+ bt_ctf_field_put(stream_class->event_header);
+ bt_ctf_field_type_put(stream_class->packet_context_type);
+ bt_ctf_field_put(stream_class->packet_context);
+ bt_ctf_field_type_put(stream_class->event_context_type);
+ bt_ctf_field_put(stream_class->event_context);
+ g_free(stream_class);
+}
+
+static
+int init_event_header(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *event_header_type =
+ bt_ctf_field_type_structure_create();
+ struct bt_ctf_field_type *_uint32_t =
+ get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
+ struct bt_ctf_field_type *_uint64_t =
+ get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
+
+ if (!event_header_type) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_set_byte_order(_uint32_t, byte_order);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(event_header_type,
+ _uint32_t, "id");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(event_header_type,
+ _uint64_t, "timestamp");
+ if (ret) {
+ goto end;
+ }
+
+ stream_class->event_header_type = event_header_type;
+ stream_class->event_header = bt_ctf_field_create(
+ stream_class->event_header_type);
+ if (!stream_class->event_header) {
+ ret = -1;
+ }
+end:
+ if (ret) {
+ bt_ctf_field_type_put(event_header_type);
+ }
+
+ bt_ctf_field_type_put(_uint32_t);
+ bt_ctf_field_type_put(_uint64_t);
+ return ret;
+}
+
+static
+int init_packet_context(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *packet_context_type =
+ bt_ctf_field_type_structure_create();
+ struct bt_ctf_field_type *_uint64_t =
+ get_field_type(FIELD_TYPE_ALIAS_UINT64_T);
+
+ if (!packet_context_type) {
+ ret = -1;
+ goto end;
+ }
+
+ /*
+ * We create a stream packet context as proposed in the CTF
+ * specification.
+ */
+ ret = bt_ctf_field_type_set_byte_order(_uint64_t, byte_order);
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(packet_context_type,
+ _uint64_t, "timestamp_begin");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(packet_context_type,
+ _uint64_t, "timestamp_end");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(packet_context_type,
+ _uint64_t, "content_size");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(packet_context_type,
+ _uint64_t, "packet_size");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(packet_context_type,
+ _uint64_t, "events_discarded");
+ if (ret) {
+ goto end;
+ }
+
+ stream_class->packet_context_type = packet_context_type;
+ stream_class->packet_context = bt_ctf_field_create(packet_context_type);
+ if (!stream_class->packet_context) {
+ ret = -1;
+ }
+end:
+ if (ret) {
+ bt_ctf_field_type_put(packet_context_type);
+ goto end;
+ }
+
+ bt_ctf_field_type_put(_uint64_t);
+ return ret;
+}
+
+static
+int set_structure_field_integer(struct bt_ctf_field *structure, char *name,
+ uint64_t value)
+{
+ int ret = 0;
+
+ struct bt_ctf_field *integer =
+ bt_ctf_field_structure_get_field(structure, name);
+ if (!integer) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_unsigned_integer_set_value(integer, value);
+end:
+ bt_ctf_field_put(integer);
+ return ret;
+}
--- /dev/null
+/*
+ * writer.c
+ *
+ * Babeltrace CTF Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/writer.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/clock-internal.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/ctf-writer/event-types-internal.h>
+#include <babeltrace/ctf-writer/event-fields-internal.h>
+#include <babeltrace/ctf-writer/functor-internal.h>
+#include <babeltrace/ctf-writer/stream-internal.h>
+#include <babeltrace/ctf-writer/stream.h>
+#include <babeltrace/compiler.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <inttypes.h>
+
+#define DEFAULT_IDENTIFIER_SIZE 128
+#define DEFAULT_METADATA_STRING_SIZE 4096
+
+static
+void environment_variable_destroy(struct environment_variable *var);
+static
+void bt_ctf_writer_destroy(struct bt_ctf_ref *ref);
+static
+int init_trace_packet_header(struct bt_ctf_writer *writer);
+static
+int create_stream_file(struct bt_ctf_writer *writer,
+ struct bt_ctf_stream *stream);
+static
+void stream_flush_cb(struct bt_ctf_stream *stream,
+ struct bt_ctf_writer *writer);
+
+static
+const char * const reserved_keywords_str[] = {"align", "callsite",
+ "const", "char", "clock", "double", "enum", "env", "event",
+ "floating_point", "float", "integer", "int", "long", "short", "signed",
+ "stream", "string", "struct", "trace", "typealias", "typedef",
+ "unsigned", "variant", "void" "_Bool", "_Complex", "_Imaginary"};
+
+static
+const unsigned int field_type_aliases_alignments[] = {
+ [FIELD_TYPE_ALIAS_UINT5_T] = 1,
+ [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8,
+ [FIELD_TYPE_ALIAS_UINT27_T] = 1,
+ [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8,
+};
+
+static
+const unsigned int field_type_aliases_sizes[] = {
+ [FIELD_TYPE_ALIAS_UINT5_T] = 5,
+ [FIELD_TYPE_ALIAS_UINT8_T] = 8,
+ [FIELD_TYPE_ALIAS_UINT16_T] = 16,
+ [FIELD_TYPE_ALIAS_UINT27_T] = 27,
+ [FIELD_TYPE_ALIAS_UINT32_T] = 32,
+ [FIELD_TYPE_ALIAS_UINT64_T] = 64,
+};
+
+static GHashTable *reserved_keywords_set;
+static int init_done;
+static int global_data_refcount;
+
+struct bt_ctf_writer *bt_ctf_writer_create(const char *path)
+{
+ struct bt_ctf_writer *writer = NULL;
+
+ if (!path) {
+ goto error;
+ }
+
+ writer = g_new0(struct bt_ctf_writer, 1);
+ if (!writer) {
+ goto error;
+ }
+
+ bt_ctf_writer_set_byte_order(writer, BT_CTF_BYTE_ORDER_NATIVE);
+ bt_ctf_ref_init(&writer->ref_count);
+ writer->path = g_string_new(path);
+ if (!writer->path) {
+ goto error_destroy;
+ }
+
+ /* Create trace directory if necessary and open a metadata file */
+ if (g_mkdir_with_parents(path, S_IRWXU | S_IRWXG)) {
+ perror("g_mkdir_with_parents");
+ goto error_destroy;
+ }
+
+ writer->trace_dir_fd = open(path, O_RDONLY, S_IRWXU | S_IRWXG);
+ if (writer->trace_dir_fd < 0) {
+ perror("open");
+ goto error_destroy;
+ }
+
+ writer->metadata_fd = openat(writer->trace_dir_fd, "metadata",
+ O_WRONLY | O_CREAT | O_TRUNC,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+ writer->environment = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)environment_variable_destroy);
+ writer->clocks = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_clock_put);
+ writer->streams = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_stream_put);
+ writer->stream_classes = g_ptr_array_new_with_free_func(
+ (GDestroyNotify)bt_ctf_stream_class_put);
+ if (!writer->environment || !writer->clocks ||
+ !writer->stream_classes || !writer->streams) {
+ goto error_destroy;
+ }
+
+ /* Generate a trace UUID */
+ uuid_generate(writer->uuid);
+ if (init_trace_packet_header(writer)) {
+ goto error_destroy;
+ }
+
+ return writer;
+error_destroy:
+ unlinkat(writer->trace_dir_fd, "metadata", 0);
+ bt_ctf_writer_destroy(&writer->ref_count);
+ writer = NULL;
+error:
+ return writer;
+}
+
+void bt_ctf_writer_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_writer *writer;
+
+ if (!ref) {
+ return;
+ }
+
+ writer = container_of(ref, struct bt_ctf_writer, ref_count);
+ bt_ctf_writer_flush_metadata(writer);
+ if (writer->path) {
+ g_string_free(writer->path, TRUE);
+ }
+
+ if (writer->trace_dir_fd > 0) {
+ if (close(writer->trace_dir_fd)) {
+ perror("close");
+ abort();
+ }
+ }
+
+ if (writer->metadata_fd > 0) {
+ if (close(writer->metadata_fd)) {
+ perror("close");
+ abort();
+ }
+ }
+
+ if (writer->environment) {
+ g_ptr_array_free(writer->environment, TRUE);
+ }
+
+ if (writer->clocks) {
+ g_ptr_array_free(writer->clocks, TRUE);
+ }
+
+ if (writer->streams) {
+ g_ptr_array_free(writer->streams, TRUE);
+ }
+
+ if (writer->stream_classes) {
+ g_ptr_array_free(writer->stream_classes, TRUE);
+ }
+
+ bt_ctf_field_type_put(writer->trace_packet_header_type);
+ bt_ctf_field_put(writer->trace_packet_header);
+ g_free(writer);
+}
+
+struct bt_ctf_stream *bt_ctf_writer_create_stream(struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *stream_class)
+{
+ int ret;
+ int stream_class_found = 0;
+ size_t i;
+ int stream_fd;
+ struct bt_ctf_stream *stream = NULL;
+
+ if (!writer || !stream_class) {
+ goto error;
+ }
+
+ stream = bt_ctf_stream_create(stream_class);
+ if (!stream) {
+ goto error;
+ }
+
+ stream_fd = create_stream_file(writer, stream);
+ if (stream_fd < 0 || bt_ctf_stream_set_fd(stream, stream_fd)) {
+ goto error;
+ }
+
+ bt_ctf_stream_set_flush_callback(stream, (flush_func)stream_flush_cb,
+ writer);
+ ret = bt_ctf_stream_class_set_byte_order(stream->stream_class,
+ writer->byte_order == LITTLE_ENDIAN ?
+ BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
+ if (ret) {
+ goto error;
+ }
+
+ for (i = 0; i < writer->stream_classes->len; i++) {
+ if (writer->stream_classes->pdata[i] == stream->stream_class) {
+ stream_class_found = 1;
+ }
+ }
+
+ if (!stream_class_found) {
+ if (bt_ctf_stream_class_set_id(stream->stream_class,
+ writer->next_stream_id++)) {
+ goto error;
+ }
+
+ bt_ctf_stream_class_get(stream->stream_class);
+ g_ptr_array_add(writer->stream_classes, stream->stream_class);
+ }
+
+ bt_ctf_stream_get(stream);
+ g_ptr_array_add(writer->streams, stream);
+ writer->frozen = 1;
+ return stream;
+error:
+ bt_ctf_stream_put(stream);
+ return NULL;
+}
+
+int bt_ctf_writer_add_environment_field(struct bt_ctf_writer *writer,
+ const char *name,
+ const char *value)
+{
+ struct environment_variable *var = NULL;
+ char *escaped_value = NULL;
+ int ret = 0;
+
+ if (!writer || !name || !value || validate_identifier(name)) {
+ ret = -1;
+ goto error;
+ }
+
+ if (strchr(name, ' ')) {
+ ret = -1;
+ goto error;
+ }
+
+ var = g_new0(struct environment_variable, 1);
+ if (!var) {
+ ret = -1;
+ goto error;
+ }
+
+ escaped_value = g_strescape(value, NULL);
+ if (!escaped_value) {
+ ret = -1;
+ goto error;
+ }
+
+ var->name = g_string_new(name);
+ var->value = g_string_new(escaped_value);
+ g_free(escaped_value);
+ if (!var->name || !var->value) {
+ ret = -1;
+ goto error;
+ }
+
+ g_ptr_array_add(writer->environment, var);
+ return ret;
+
+error:
+ if (var && var->name) {
+ g_string_free(var->name, TRUE);
+ }
+
+ if (var && var->value) {
+ g_string_free(var->value, TRUE);
+ }
+
+ g_free(var);
+ return ret;
+}
+
+int bt_ctf_writer_add_clock(struct bt_ctf_writer *writer,
+ struct bt_ctf_clock *clock)
+{
+ int ret = 0;
+ struct search_query query = { .value = clock, .found = 0 };
+
+ if (!writer || !clock) {
+ ret = -1;
+ goto end;
+ }
+
+ /* Check for duplicate clocks */
+ g_ptr_array_foreach(writer->clocks, value_exists, &query);
+ if (query.found) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_ctf_clock_get(clock);
+ g_ptr_array_add(writer->clocks, clock);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+const char *get_byte_order_string(int byte_order)
+{
+ const char *string;
+
+ switch (byte_order) {
+ case LITTLE_ENDIAN:
+ string = "le";
+ break;
+ case BIG_ENDIAN:
+ string = "be";
+ break;
+ default:
+ string = "unknown";
+ break;
+ }
+
+ return string;
+}
+
+static
+void append_trace_metadata(struct bt_ctf_writer *writer,
+ struct metadata_context *context)
+{
+ unsigned char *uuid = writer->uuid;
+ int ret;
+
+ g_string_append(context->string, "trace {\n");
+
+ g_string_append(context->string, "\tmajor = 1;\n");
+ g_string_append(context->string, "\tminor = 8;\n");
+
+ g_string_append_printf(context->string,
+ "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
+ uuid[0], uuid[1], uuid[2], uuid[3],
+ uuid[4], uuid[5], uuid[6], uuid[7],
+ uuid[8], uuid[9], uuid[10], uuid[11],
+ uuid[12], uuid[13], uuid[14], uuid[15]);
+ g_string_append_printf(context->string, "\tbyte_order = %s;\n",
+ get_byte_order_string(writer->byte_order));
+
+ g_string_append(context->string, "\tpacket.header := ");
+ context->current_indentation_level++;
+ g_string_assign(context->field_name, "");
+ ret = bt_ctf_field_type_serialize(writer->trace_packet_header_type,
+ context);
+ assert(!ret);
+ context->current_indentation_level--;
+
+ g_string_append(context->string, ";\n};\n\n");
+}
+
+static
+void append_env_field_metadata(struct environment_variable *var,
+ struct metadata_context *context)
+{
+ g_string_append_printf(context->string, "\t%s = \"%s\";\n",
+ var->name->str, var->value->str);
+}
+
+static
+void append_env_metadata(struct bt_ctf_writer *writer,
+ struct metadata_context *context)
+{
+ if (writer->environment->len == 0) {
+ return;
+ }
+
+ g_string_append(context->string, "env {\n");
+ g_ptr_array_foreach(writer->environment,
+ (GFunc)append_env_field_metadata, context);
+ g_string_append(context->string, "};\n\n");
+}
+
+char *bt_ctf_writer_get_metadata_string(struct bt_ctf_writer *writer)
+{
+ char *metadata = NULL;
+ struct metadata_context *context = NULL;
+ int err = 0;
+ size_t i;
+
+ if (!writer) {
+ goto end;
+ }
+
+ context = g_new0(struct metadata_context, 1);
+ if (!context) {
+ goto end;
+ }
+
+ context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE);
+ context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE);
+ g_string_append(context->string, "/* CTF 1.8 */\n\n");
+ append_trace_metadata(writer, context);
+ append_env_metadata(writer, context);
+ g_ptr_array_foreach(writer->clocks,
+ (GFunc)bt_ctf_clock_serialize, context);
+
+ for (i = 0; i < writer->stream_classes->len; i++) {
+ err = bt_ctf_stream_class_serialize(
+ writer->stream_classes->pdata[i], context);
+ if (err) {
+ goto error;
+ }
+ }
+
+ metadata = context->string->str;
+error:
+ g_string_free(context->string, err ? TRUE : FALSE);
+ g_string_free(context->field_name, TRUE);
+ g_free(context);
+end:
+ return metadata;
+}
+
+void bt_ctf_writer_flush_metadata(struct bt_ctf_writer *writer)
+{
+ int ret;
+ char *metadata_string = NULL;
+
+ if (!writer) {
+ goto end;
+ }
+
+ metadata_string = bt_ctf_writer_get_metadata_string(writer);
+ if (!metadata_string) {
+ goto end;
+ }
+
+ if (lseek(writer->metadata_fd, 0, SEEK_SET) == (off_t)-1) {
+ perror("lseek");
+ goto end;
+ }
+
+ if (ftruncate(writer->metadata_fd, 0)) {
+ perror("ftruncate");
+ goto end;
+ }
+
+ ret = write(writer->metadata_fd, metadata_string,
+ strlen(metadata_string));
+ if (ret < 0) {
+ perror("write");
+ goto end;
+ }
+end:
+ g_free(metadata_string);
+}
+
+int bt_ctf_writer_set_byte_order(struct bt_ctf_writer *writer,
+ enum bt_ctf_byte_order byte_order)
+{
+ int ret = 0;
+ int internal_byte_order;
+
+ if (!writer || writer->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (byte_order) {
+ case BT_CTF_BYTE_ORDER_NATIVE:
+ internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ?
+ LITTLE_ENDIAN : BIG_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
+ internal_byte_order = LITTLE_ENDIAN;
+ break;
+ case BT_CTF_BYTE_ORDER_BIG_ENDIAN:
+ case BT_CTF_BYTE_ORDER_NETWORK:
+ internal_byte_order = BIG_ENDIAN;
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+
+ writer->byte_order = internal_byte_order;
+ if (writer->trace_packet_header_type ||
+ writer->trace_packet_header) {
+ init_trace_packet_header(writer);
+ }
+end:
+ return ret;
+}
+
+void bt_ctf_writer_get(struct bt_ctf_writer *writer)
+{
+ if (!writer) {
+ return;
+ }
+
+ bt_ctf_ref_get(&writer->ref_count);
+}
+
+void bt_ctf_writer_put(struct bt_ctf_writer *writer)
+{
+ if (!writer) {
+ return;
+ }
+
+ bt_ctf_ref_put(&writer->ref_count, bt_ctf_writer_destroy);
+}
+
+BT_HIDDEN
+int validate_identifier(const char *input_string)
+{
+ int ret = 0;
+ char *string = NULL;
+ char *save_ptr, *token;
+
+ if (!input_string || input_string[0] == '\0') {
+ ret = -1;
+ goto end;
+ }
+
+ string = strdup(input_string);
+ if (!string) {
+ ret = -1;
+ goto end;
+ }
+
+ token = strtok_r(string, " ", &save_ptr);
+ while (token) {
+ if (g_hash_table_contains(reserved_keywords_set,
+ GINT_TO_POINTER(g_quark_from_string(token)))) {
+ ret = -1;
+ goto end;
+ }
+
+ token = strtok_r(NULL, " ", &save_ptr);
+ }
+end:
+ free(string);
+ return ret;
+}
+
+BT_HIDDEN
+struct bt_ctf_field_type *get_field_type(enum field_type_alias alias)
+{
+ unsigned int alignment, size;
+ struct bt_ctf_field_type *field_type;
+
+ if (alias >= NR_FIELD_TYPE_ALIAS) {
+ return NULL;
+ }
+
+ alignment = field_type_aliases_alignments[alias];
+ size = field_type_aliases_sizes[alias];
+ field_type = bt_ctf_field_type_integer_create(size);
+ bt_ctf_field_type_set_alignment(field_type, alignment);
+ return field_type;
+}
+
+static
+int init_trace_packet_header(struct bt_ctf_writer *writer)
+{
+ size_t i;
+ int ret = 0;
+ struct bt_ctf_field *trace_packet_header = NULL,
+ *magic = NULL, *uuid_array = NULL;
+ struct bt_ctf_field_type *_uint32_t =
+ get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
+ struct bt_ctf_field_type *_uint8_t =
+ get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
+ struct bt_ctf_field_type *trace_packet_header_type =
+ bt_ctf_field_type_structure_create();
+ struct bt_ctf_field_type *uuid_array_type =
+ bt_ctf_field_type_array_create(_uint8_t, 16);
+
+ if (!trace_packet_header_type || !uuid_array_type) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_set_byte_order(_uint32_t,
+ (writer->byte_order == LITTLE_ENDIAN ?
+ BT_CTF_BYTE_ORDER_LITTLE_ENDIAN :
+ BT_CTF_BYTE_ORDER_BIG_ENDIAN));
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
+ _uint32_t, "magic");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
+ uuid_array_type, "uuid");
+ if (ret) {
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
+ _uint32_t, "stream_id");
+ if (ret) {
+ goto end;
+ }
+
+ trace_packet_header = bt_ctf_field_create(trace_packet_header_type);
+ if (!trace_packet_header) {
+ ret = -1;
+ goto end;
+ }
+
+ magic = bt_ctf_field_structure_get_field(trace_packet_header, "magic");
+ ret = bt_ctf_field_unsigned_integer_set_value(magic, 0xC1FC1FC1);
+ if (ret) {
+ goto end;
+ }
+
+ uuid_array = bt_ctf_field_structure_get_field(trace_packet_header,
+ "uuid");
+ for (i = 0; i < 16; i++) {
+ struct bt_ctf_field *uuid_element =
+ bt_ctf_field_array_get_field(uuid_array, i);
+ ret = bt_ctf_field_unsigned_integer_set_value(uuid_element,
+ writer->uuid[i]);
+ bt_ctf_field_put(uuid_element);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ bt_ctf_field_type_put(writer->trace_packet_header_type);
+ bt_ctf_field_put(writer->trace_packet_header);
+ writer->trace_packet_header_type = trace_packet_header_type;
+ writer->trace_packet_header = trace_packet_header;
+end:
+ bt_ctf_field_type_put(uuid_array_type);
+ bt_ctf_field_type_put(_uint32_t);
+ bt_ctf_field_type_put(_uint8_t);
+ bt_ctf_field_put(magic);
+ bt_ctf_field_put(uuid_array);
+ if (ret) {
+ bt_ctf_field_type_put(trace_packet_header_type);
+ bt_ctf_field_put(trace_packet_header);
+ }
+
+ return ret;
+}
+
+static
+void environment_variable_destroy(struct environment_variable *var)
+{
+ g_string_free(var->name, TRUE);
+ g_string_free(var->value, TRUE);
+ g_free(var);
+}
+
+static
+int create_stream_file(struct bt_ctf_writer *writer,
+ struct bt_ctf_stream *stream)
+{
+ int fd;
+ GString *filename = g_string_new(stream->stream_class->name->str);
+
+ g_string_append_printf(filename, "_%" PRIu32, stream->id);
+ fd = openat(writer->trace_dir_fd, filename->str,
+ O_RDWR | O_CREAT | O_TRUNC,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+ g_string_free(filename, TRUE);
+ return fd;
+}
+
+static
+void stream_flush_cb(struct bt_ctf_stream *stream, struct bt_ctf_writer *writer)
+{
+ struct bt_ctf_field *stream_id;
+
+ /* Start a new packet in the stream */
+ if (stream->flushed_packet_count) {
+ /* ctf_init_pos has already initialized the first packet */
+ ctf_packet_seek(&stream->pos.parent, 0, SEEK_CUR);
+ }
+
+ stream_id = bt_ctf_field_structure_get_field(
+ writer->trace_packet_header, "stream_id");
+ bt_ctf_field_unsigned_integer_set_value(stream_id, stream->id);
+ bt_ctf_field_put(stream_id);
+
+ /* Write the trace_packet_header */
+ bt_ctf_field_serialize(writer->trace_packet_header, &stream->pos);
+}
+
+static __attribute__((constructor))
+void writer_init(void)
+{
+ size_t i;
+ const size_t reserved_keywords_count =
+ sizeof(reserved_keywords_str) / sizeof(char *);
+
+ global_data_refcount++;
+ if (init_done) {
+ return;
+ }
+
+ reserved_keywords_set = g_hash_table_new(g_direct_hash, g_direct_equal);
+ for (i = 0; i < reserved_keywords_count; i++) {
+ g_hash_table_add(reserved_keywords_set,
+ GINT_TO_POINTER(g_quark_from_string(reserved_keywords_str[i])));
+ }
+
+ init_done = 1;
+}
+
+static __attribute__((destructor))
+void writer_finalize(void)
+{
+ if (--global_data_refcount == 0) {
+ g_hash_table_destroy(reserved_keywords_set);
+ }
+}
babeltrace/ctf/callbacks.h \
babeltrace/ctf/iterator.h
+babeltracectfwriterinclude_HEADERS = \
+ babeltrace/ctf-writer/clock.h \
+ babeltrace/ctf-writer/writer.h \
+ babeltrace/ctf-writer/event-fields.h \
+ babeltrace/ctf-writer/event-types.h \
+ babeltrace/ctf-writer/event.h \
+ babeltrace/ctf-writer/stream.h
+
noinst_HEADERS = \
babeltrace/align.h \
babeltrace/babeltrace-internal.h \
babeltrace/ctf-text/types.h \
babeltrace/ctf/types.h \
babeltrace/ctf/callbacks-internal.h \
+ babeltrace/ctf-writer/ref-internal.h \
+ babeltrace/ctf-writer/writer-internal.h \
+ babeltrace/ctf-writer/event-types-internal.h \
+ babeltrace/ctf-writer/event-fields-internal.h \
+ babeltrace/ctf-writer/event-internal.h \
+ babeltrace/ctf-writer/clock-internal.h \
+ babeltrace/ctf-writer/stream-internal.h \
+ babeltrace/ctf-writer/functor-internal.h \
babeltrace/trace-handle-internal.h \
babeltrace/compat/uuid.h \
babeltrace/compat/memstream.h \
___v <<= final; \
})
-#define _bt_is_signed_type(type) (((type)(-1)) < 0)
+#define _bt_is_signed_type(type) ((type) -1 < (type) 0)
#define _bt_unsigned_cast(type, v) \
({ \
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_CLOCK_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_CLOCK_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Clock internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <glib.h>
+#include <uuid/uuid.h>
+
+struct bt_ctf_clock {
+ struct bt_ctf_ref ref_count;
+ GString *name;
+ GString *description;
+ uint64_t frequency;
+ uint64_t precision;
+ uint64_t offset_s; /* Offset in seconds */
+ uint64_t offset; /* Offset in ticks */
+ uint64_t time; /* Current clock value */
+ uuid_t uuid;
+ int absolute;
+ /*
+ * A clock's properties can't be modified once it is added to a stream
+ * class.
+ */
+ int frozen;
+};
+
+BT_HIDDEN
+void bt_ctf_clock_freeze(struct bt_ctf_clock *clock);
+
+BT_HIDDEN
+void bt_ctf_clock_serialize(struct bt_ctf_clock *clock,
+ struct metadata_context *context);
+
+BT_HIDDEN
+uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock *clock);
+
+#endif /* BABELTRACE_CTF_WRITER_CLOCK_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_CLOCK_H
+#define BABELTRACE_CTF_WRITER_CLOCK_H
+
+/*
+ * BabelTrace - CTF Writer: Clock
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_clock;
+
+/*
+ * bt_ctf_clock_create: create a clock.
+ *
+ * Allocate a new clock setting its reference count to 1.
+ *
+ * @param name Name of the clock (will be copied).
+ *
+ * Returns an allocated clock on success, NULL on error.
+ */
+extern struct bt_ctf_clock *bt_ctf_clock_create(const char *name);
+
+/*
+ * bt_ctf_clock_set_description: set a clock's description.
+ *
+ * Set the clock's description. The description appears in the clock's TSDL
+ * meta-data.
+ *
+ * @param clock Clock instance.
+ * @param desc Description of the clock.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_description(struct bt_ctf_clock *clock,
+ const char *desc);
+
+/*
+ * bt_ctf_clock_set_frequency: set a clock's frequency.
+ *
+ * Set the clock's frequency (Hz).
+ *
+ * @param clock Clock instance.
+ * @param freq Clock's frequency in Hz, defaults to 1 000 000 000 Hz (1ns).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock,
+ uint64_t freq);
+
+/*
+ * bt_ctf_clock_set_precision: set a clock's precision.
+ *
+ * Set the clock's precision.
+ *
+ * @param clock Clock instance.
+ * @param precision Clock's precision in clock ticks, defaults to 1.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock,
+ uint64_t precision);
+
+/*
+ * bt_ctf_clock_set_offset_s: set a clock's offset in seconds.
+ *
+ * Set the clock's offset in seconds from POSIX.1 Epoch, 1970-01-01,
+ * defaults to 0.
+ *
+ * @param clock Clock instance.
+ * @param offset_s Clock's offset in seconds, defaults to 0.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock,
+ uint64_t offset_s);
+
+
+/*
+ * bt_ctf_clock_set_offset: set a clock's offset in ticks.
+ *
+ * Set the clock's offset in ticks from Epoch + offset_s.
+ *
+ * @param clock Clock instance.
+ * @param offset Clock's offset in ticks from Epoch + offset_s, defaults to 0.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock,
+ uint64_t offset);
+
+/*
+ * bt_ctf_clock_set_is_absolute: set a clock's absolute attribute.
+ *
+ * A clock is absolute if the clock is a global reference across the trace's
+ * other clocks.
+ *
+ * @param clock Clock instance.
+ * @param is_absolute Clock's absolute attribute, defaults to FALSE.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock,
+ int is_absolute);
+
+/*
+ * bt_ctf_clock_set_time: set a clock's current time value.
+ *
+ * Set the current time in nanoseconds since the clock's origin (offset and
+ * offset_s attributes). The clock's value will be sampled as events are
+ * appended to a stream.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time);
+
+/*
+ * bt_ctf_clock_get and bt_ctf_clock_put: increment and decrement the
+ * refcount of the clock
+ *
+ * These functions ensure that the clock won't be destroyed when it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) has to be done to
+ * destroy a clock.
+ *
+ * When the clock refcount is decremented to 0 by a bt_ctf_clock_put,
+ * the clock is freed.
+ *
+ * @param clock Clock instance.
+ */
+extern void bt_ctf_clock_get(struct bt_ctf_clock *clock);
+extern void bt_ctf_clock_put(struct bt_ctf_clock *clock);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_CLOCK_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_FIELDS_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_EVENT_FIELDS_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Event Fields internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/ctf/types.h>
+#include <glib.h>
+
+struct bt_ctf_field {
+ struct bt_ctf_ref ref_count;
+ struct bt_ctf_field_type *type;
+ int payload_set;
+};
+
+struct bt_ctf_field_integer {
+ struct bt_ctf_field parent;
+ struct definition_integer definition;
+};
+
+struct bt_ctf_field_enumeration {
+ struct bt_ctf_field parent;
+ struct bt_ctf_field *payload;
+};
+
+struct bt_ctf_field_floating_point {
+ struct bt_ctf_field parent;
+ struct definition_float definition;
+ struct definition_integer sign, mantissa, exp;
+};
+
+struct bt_ctf_field_structure {
+ struct bt_ctf_field parent;
+ GHashTable *field_name_to_index;
+ GPtrArray *fields; /* Array of pointers to struct bt_ctf_field */
+};
+
+struct bt_ctf_field_variant {
+ struct bt_ctf_field parent;
+ struct bt_ctf_field *tag;
+ struct bt_ctf_field *payload;
+};
+
+struct bt_ctf_field_array {
+ struct bt_ctf_field parent;
+ GPtrArray *elements; /* Array of pointers to struct bt_ctf_field */
+};
+
+struct bt_ctf_field_sequence {
+ struct bt_ctf_field parent;
+ struct bt_ctf_field *length;
+ GPtrArray *elements; /* Array of pointers to struct bt_ctf_field */
+};
+
+struct bt_ctf_field_string {
+ struct bt_ctf_field parent;
+ GString *payload;
+};
+
+/*
+ * Set a field's value with an already allocated field instance.
+ */
+BT_HIDDEN
+int bt_ctf_field_structure_set_field(struct bt_ctf_field *structure,
+ const char *name, struct bt_ctf_field *value);
+
+BT_HIDDEN
+int bt_ctf_field_validate(struct bt_ctf_field *field);
+
+BT_HIDDEN
+int bt_ctf_field_serialize(struct bt_ctf_field *field,
+ struct ctf_stream_pos *pos);
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_FIELDS_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_FIELDS_H
+#define BABELTRACE_CTF_WRITER_EVENT_FIELDS_H
+
+/*
+ * BabelTrace - CTF Writer: Event Fields
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_event_class;
+struct bt_ctf_event;
+struct bt_ctf_field;
+struct bt_ctf_field_type;
+
+/*
+ * bt_ctf_field_create: create an instance of a field.
+ *
+ * Allocate a new field of the type described by the bt_ctf_field_type
+ * structure.The creation of a field sets its reference count to 1.
+ *
+ * @param type Field type to be instanciated.
+ *
+ * Returns an allocated field on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_create(
+ struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_structure_get_field: get a structure's field.
+ *
+ * Get the structure's field corresponding to the provided field name.
+ * bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param structure Structure field instance.
+ * @param name Name of the field in the provided structure.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
+ struct bt_ctf_field *structure, const char *name);
+
+/*
+ * bt_ctf_field_array_get_field: get an array's field at position "index".
+ *
+ * Return the array's field at position "index". bt_ctf_field_put() must be
+ * called on the returned value.
+ *
+ * @param array Array field instance.
+ * @param index Position of the array's desired element.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_array_get_field(
+ struct bt_ctf_field *array, uint64_t index);
+
+/*
+ * bt_ctf_field_sequence_set_length: set a sequence's length.
+ *
+ * Set the sequence's length field.
+ *
+ * @param sequence Sequence field instance.
+ * @param length_field Integer field instance indicating the sequence's length.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern int bt_ctf_field_sequence_set_length(struct bt_ctf_field *sequence,
+ struct bt_ctf_field *length_field);
+
+/*
+ * bt_ctf_field_sequence_get_field: get a sequence's field at position "index".
+ *
+ * Return the sequence's field at position "index". The sequence's length must
+ * have been set prior to calling this function using
+ * bt_ctf_field_sequence_set_length().
+ * bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param array Sequence field instance.
+ * @param index Position of the sequence's desired element.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_sequence_get_field(
+ struct bt_ctf_field *sequence, uint64_t index);
+
+/*
+ * bt_ctf_field_variant_get_field: get a variant's selected field.
+ *
+ * Return the variant's selected field. The "tag" field is the selector enum
+ * field. bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param variant Variant field instance.
+ * @param tag Selector enumeration field.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_variant_get_field(
+ struct bt_ctf_field *variant, struct bt_ctf_field *tag);
+
+/*
+ * bt_ctf_field_enumeration_get_container: get an enumeration field's container.
+ *
+ * Return the enumeration's underlying container field (an integer).
+ * bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param enumeration Enumeration field instance.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
+ struct bt_ctf_field *enumeration);
+
+/*
+ * bt_ctf_field_signed_integer_set_value: set a signed integer field's value
+ *
+ * Set a signed integer field's value. The value is checked to make sure it
+ * can be stored in the underlying field.
+ *
+ * @param integer Signed integer field instance.
+ * @param value Signed integer field value.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *integer,
+ int64_t value);
+
+/*
+ * bt_ctf_field_unsigned_integer_set_value: set unsigned integer field's value
+ *
+ * Set an unsigned integer field's value. The value is checked to make sure it
+ * can be stored in the underlying field.
+ *
+ * @param integer Unsigned integer field instance.
+ * @param value Unsigned integer field value.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *integer,
+ uint64_t value);
+
+/*
+ * bt_ctf_field_floating_point_set_value: set a floating point field's value
+ *
+ * Set a floating point field's value. The underlying type may not support the
+ * double's full precision.
+ *
+ * @param floating_point Floating point field instance.
+ * @param value Floating point field value.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_floating_point_set_value(
+ struct bt_ctf_field *floating_point,
+ double value);
+
+/*
+ * bt_ctf_field_string_set_value: set a string field's value
+ *
+ * Set a string field's value.
+ *
+ * @param string String field instance.
+ * @param value String field value (will be copied).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_string_set_value(struct bt_ctf_field *string,
+ const char *value);
+
+/*
+ * bt_ctf_field_get and bt_ctf_field_put: increment and decrement the
+ * field's reference count.
+ *
+ * These functions ensure that the field won't be destroyed when it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy a field.
+ *
+ * When the field's reference count is decremented to 0 by a bt_ctf_field_put,
+ * the field is freed.
+ *
+ * @param field Field instance.
+ */
+extern void bt_ctf_field_get(struct bt_ctf_field *field);
+extern void bt_ctf_field_put(struct bt_ctf_field *field);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_FIELDS_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_EVENT_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Event internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/ctf/types.h>
+#include <glib.h>
+
+struct bt_ctf_event_class {
+ struct bt_ctf_ref ref_count;
+ GQuark name;
+ int id_set;
+ uint32_t id;
+ int stream_id_set;
+ uint32_t stream_id;
+ /* Structure type containing the event's context */
+ struct bt_ctf_field_type *context;
+ /* Structure type containing the event's fields */
+ struct bt_ctf_field_type *fields;
+ int frozen;
+};
+
+struct bt_ctf_event {
+ struct bt_ctf_ref ref_count;
+ uint64_t timestamp;
+ struct bt_ctf_event_class *event_class;
+ struct bt_ctf_field *context_payload;
+ struct bt_ctf_field *fields_payload;
+};
+
+BT_HIDDEN
+void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class);
+
+BT_HIDDEN
+int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
+ uint32_t id);
+
+BT_HIDDEN
+uint32_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class);
+
+BT_HIDDEN
+int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
+ uint32_t id);
+
+BT_HIDDEN
+int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
+ struct metadata_context *context);
+
+BT_HIDDEN
+int bt_ctf_event_validate(struct bt_ctf_event *event);
+
+BT_HIDDEN
+int bt_ctf_event_serialize(struct bt_ctf_event *event,
+ struct ctf_stream_pos *pos);
+
+BT_HIDDEN
+int bt_ctf_event_set_timestamp(struct bt_ctf_event *event, uint64_t timestamp);
+
+BT_HIDDEN
+uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event);
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_TYPES_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_EVENT_TYPES_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Event types internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf-writer/writer.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/types.h>
+#include <babeltrace/ctf/events.h>
+#include <glib.h>
+
+typedef void(*type_freeze_func)(struct bt_ctf_field_type *);
+typedef int(*type_serialize_func)(struct bt_ctf_field_type *,
+ struct metadata_context *);
+
+struct bt_ctf_field_type {
+ struct bt_ctf_ref ref_count;
+ struct bt_declaration *declaration;
+ type_freeze_func freeze;
+ type_serialize_func serialize;
+ /*
+ * A type can't be modified once it is added to an event or after a
+ * a field has been instanciated from it.
+ */
+ int frozen;
+};
+
+struct bt_ctf_field_type_integer {
+ struct bt_ctf_field_type parent;
+ struct declaration_integer declaration;
+};
+
+struct enumeration_mapping {
+ int64_t range_start;
+ int64_t range_end;
+ GQuark string;
+};
+
+struct bt_ctf_field_type_enumeration {
+ struct bt_ctf_field_type parent;
+ struct bt_ctf_field_type *container;
+ GPtrArray *entries; /* Array of pointers to struct enum_mapping */
+ struct declaration_enum declaration;
+};
+
+struct bt_ctf_field_type_floating_point {
+ struct bt_ctf_field_type parent;
+ struct declaration_float declaration;
+ struct declaration_integer sign;
+ struct declaration_integer mantissa;
+ struct declaration_integer exp;
+};
+
+struct structure_field {
+ GQuark name;
+ struct bt_ctf_field_type *type;
+};
+
+struct bt_ctf_field_type_structure {
+ struct bt_ctf_field_type parent;
+ GHashTable *field_name_to_index;
+ GPtrArray *fields; /* Array of pointers to struct structure_field */
+ struct declaration_enum declaration;
+};
+
+struct bt_ctf_field_type_variant {
+ struct bt_ctf_field_type parent;
+ GString *tag_name;
+ struct bt_ctf_field_type_enumeration *tag;
+ GHashTable *field_name_to_index;
+ GPtrArray *fields; /* Array of pointers to struct structure_field */
+ struct declaration_variant declaration;
+};
+
+struct bt_ctf_field_type_array {
+ struct bt_ctf_field_type parent;
+ struct bt_ctf_field_type *element_type;
+ unsigned int length; /* Number of elements */
+ struct declaration_array declaration;
+};
+
+struct bt_ctf_field_type_sequence {
+ struct bt_ctf_field_type parent;
+ struct bt_ctf_field_type *element_type;
+ GString *length_field_name;
+ struct declaration_sequence declaration;
+};
+
+struct bt_ctf_field_type_string {
+ struct bt_ctf_field_type parent;
+ struct declaration_string declaration;
+};
+
+BT_HIDDEN
+void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type);
+
+BT_HIDDEN
+enum ctf_type_id bt_ctf_field_type_get_type_id(
+ struct bt_ctf_field_type *type);
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type(
+ struct bt_ctf_field_type_structure *structure,
+ const char *name);
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(
+ struct bt_ctf_field_type_array *array);
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(
+ struct bt_ctf_field_type_sequence *sequence);
+
+BT_HIDDEN
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type(
+ struct bt_ctf_field_type_variant *variant, int64_t tag_value);
+
+BT_HIDDEN
+int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type,
+ struct metadata_context *context);
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_TYPES_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_TYPES_H
+#define BABELTRACE_CTF_WRITER_EVENT_TYPES_H
+
+/*
+ * BabelTrace - CTF Writer: Event Types
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#include <babeltrace/ctf-writer/writer.h>
+#include <babeltrace/ctf/events.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_event_class;
+struct bt_ctf_event;
+struct bt_ctf_field_type;
+
+enum bt_ctf_integer_base {
+ BT_CTF_INTEGER_BASE_UNKNOWN = -1,
+ BT_CTF_INTEGER_BASE_BINARY = 2,
+ BT_CTF_INTEGER_BASE_OCTAL = 8,
+ BT_CTF_INTEGER_BASE_DECIMAL = 10,
+ BT_CTF_INTEGER_BASE_HEXADECIMAL = 16,
+};
+
+/*
+ * bt_ctf_field_type_integer_create: create an integer field type.
+ *
+ * Allocate a new integer field type of the given size. The creation of a field
+ * type sets its reference count to 1.
+ *
+ * @param size Integer field type size/length in bits.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_integer_create(
+ unsigned int size);
+
+/*
+ * bt_ctf_field_type_integer_set_signed: set an integer type's signedness.
+ *
+ * Set an integer type's signedness attribute.
+ *
+ * @param integer Integer type.
+ * @param is_signed Integer's signedness, defaults to FALSE.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_set_signed(
+ struct bt_ctf_field_type *integer, int is_signed);
+
+/*
+ * bt_ctf_field_type_integer_set_base: set an integer type's base.
+ *
+ * Set an integer type's base used to pretty-print the resulting trace.
+ *
+ * @param integer Integer type.
+ * @param base Integer base, defaults to BT_CTF_INTEGER_BASE_DECIMAL.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_set_base(
+ struct bt_ctf_field_type *integer,
+ enum bt_ctf_integer_base base);
+
+/*
+ * bt_ctf_field_type_integer_set_encoding: set an integer type's encoding.
+ *
+ * An integer encoding may be set to signal that the integer must be printed as
+ * a text character.
+ *
+ * @param integer Integer type.
+ * @param encoding Integer output encoding, defaults to CTF_STRING_ENCODING_NONE
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_set_encoding(
+ struct bt_ctf_field_type *integer,
+ enum ctf_string_encoding encoding);
+
+/*
+ * bt_ctf_field_type_enumeration_create: create an enumeration field type.
+ *
+ * Allocate a new enumeration field type with the given underlying type. The
+ * creation of a field type sets its reference count to 1.
+ * The resulting enumeration will share the integer_container_type's ownership
+ * by increasing its reference count.
+ *
+ * @param integer_container_type Underlying integer type of the enumeration
+ * type.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(
+ struct bt_ctf_field_type *integer_container_type);
+
+/*
+ * bt_ctf_field_type_enumeration_add_mapping: add an enumeration mapping.
+ *
+ * Add a mapping to the enumeration. The range's values are inclusive.
+ *
+ * @param enumeration Enumeration type.
+ * @param string Enumeration mapping name (will be copied).
+ * @param range_start Enumeration mapping range start.
+ * @param range_end Enumeration mapping range end.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_add_mapping(
+ struct bt_ctf_field_type *enumeration, const char *string,
+ int64_t range_start, int64_t range_end);
+
+/*
+ * bt_ctf_field_type_floating_point_create: create a floating point field type.
+ *
+ * Allocate a new floating point field type. The creation of a field type sets
+ * its reference count to 1.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void);
+
+/*
+ * bt_ctf_field_type_floating_point_set_exponent_digits: set exponent digit
+ * count.
+ *
+ * Set the number of exponent digits to use to store the floating point field.
+ * The only values currently supported are FLT_EXP_DIG and DBL_EXP_DIG.
+ *
+ * @param floating_point Floating point type.
+ * @param exponent_digits Number of digits to allocate to the exponent (defaults
+ * to FLT_EXP_DIG).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_floating_point_set_exponent_digits(
+ struct bt_ctf_field_type *floating_point,
+ unsigned int exponent_digits);
+
+/*
+ * bt_ctf_field_type_floating_point_set_mantissa_digits: set mantissa digit
+ * count.
+ *
+ * Set the number of mantissa digits to use to store the floating point field.
+ * The only values currently supported are FLT_MANT_DIG and DBL_MANT_DIG.
+ *
+ * @param floating_point Floating point type.
+ * @param mantissa_digits Number of digits to allocate to the mantissa (defaults
+ * to FLT_MANT_DIG).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_floating_point_set_mantissa_digits(
+ struct bt_ctf_field_type *floating_point,
+ unsigned int mantissa_digits);
+
+/*
+ * bt_ctf_field_type_structure_create: create a structure field type.
+ *
+ * Allocate a new structure field type. The creation of a field type sets
+ * its reference count to 1.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void);
+
+/*
+ * bt_ctf_field_type_structure_add_field: add a field to a structure.
+ *
+ * Add a field of type "field_type" to the structure. The structure will share
+ * field_type's ownership by increasing its reference count.
+ *
+ * @param structure Structure type.
+ * @param field_type Type of the field to add to the structure type.
+ * @param field_name Name of the structure's new field (will be copied).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_structure_add_field(
+ struct bt_ctf_field_type *structure,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name);
+
+/*
+ * bt_ctf_field_type_variant_create: create a variant field type.
+ *
+ * Allocate a new variant field type. The creation of a field type sets
+ * its reference count to 1. tag_name must be the name of an enumeration
+ * field declared in the same scope as this variant.
+ *
+ * @param enum_tag Type of the variant's tag/selector (must be an enumeration).
+ * @param tag_name Name of the variant's tag/selector field (will be copied).
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_variant_create(
+ struct bt_ctf_field_type *enum_tag,
+ const char *tag_name);
+
+/*
+ * bt_ctf_field_type_variant_add_field: add a field to a variant.
+ *
+ * Add a field of type "field_type" to the variant.The variant will share
+ * field_type's ownership by increasing its reference count. The "field_name"
+ * will be copied. field_name must match a mapping in the tag/selector
+ * enumeration.
+ *
+ * @param variant Variant type.
+ * @param field_type Type of the variant type's new field.
+ * @param field_name Name of the variant type's new field (will be copied).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_variant_add_field(
+ struct bt_ctf_field_type *variant,
+ struct bt_ctf_field_type *field_type,
+ const char *field_name);
+
+/*
+ * bt_ctf_field_type_array_create: create an array field type.
+ *
+ * Allocate a new array field type. The creation of a field type sets
+ * its reference count to 1.
+ *
+ * @param element_type Array's element type.
+ * @oaram length Array type's length.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_array_create(
+ struct bt_ctf_field_type *element_type,
+ unsigned int length);
+
+/*
+ * bt_ctf_field_type_sequence_create: create a sequence field type.
+ *
+ * Allocate a new sequence field type. The creation of a field type sets
+ * its reference count to 1. "length_field_name" must match an integer field
+ * declared in the same scope.
+ *
+ * @param element_type Sequence's element type.
+ * @param length_field_name Name of the sequence's length field (will be
+ * copied).
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_sequence_create(
+ struct bt_ctf_field_type *element_type,
+ const char *length_field_name);
+
+/*
+ * bt_ctf_field_type_string_create: create a string field type.
+ *
+ * Allocate a new string field type. The creation of a field type sets
+ * its reference count to 1.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_string_create(void);
+
+/*
+ * bt_ctf_field_type_string_set_encoding: set a string type's encoding.
+ *
+ * Set the string type's encoding.
+ *
+ * @param string String type.
+ * @param encoding String field encoding, default CTF_STRING_ENCODING_ASCII.
+ * Valid values are CTF_STRING_ENCODING_ASCII and CTF_STRING_ENCODING_UTF8.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_string_set_encoding(
+ struct bt_ctf_field_type *string,
+ enum ctf_string_encoding encoding);
+
+/*
+ * bt_ctf_field_type_set_alignment: set a field type's alignment.
+ *
+ * Set the field type's alignment.
+ *
+ * @param type Field type.
+ * @param alignment Type's alignment. Defaults to 1 (bit-aligned). However,
+ * some types, such as structures and string, may impose other alignment
+ * constraints.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type,
+ unsigned int alignment);
+
+/*
+ * bt_ctf_field_type_set_byte_order: set a field type's byte order.
+ *
+ * Set the field type's byte order.
+ *
+ * @param type Field type.
+ * @param byte_order Field type's byte order. Defaults to
+ * BT_CTF_BYTE_ORDER_NATIVE, the host machine's endianness.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type,
+ enum bt_ctf_byte_order byte_order);
+
+/*
+ * bt_ctf_field_type_get and bt_ctf_field_type_put: increment and decrement
+ * the field type's reference count.
+ *
+ * These functions ensure that the field type won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy a field type.
+ *
+ * When the field type's reference count is decremented to 0 by a
+ * bt_ctf_field_type_put, the field type is freed.
+ *
+ * @param type Field type.
+ */
+extern void bt_ctf_field_type_get(struct bt_ctf_field_type *type);
+extern void bt_ctf_field_type_put(struct bt_ctf_field_type *type);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_TYPES_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_EVENT_H
+#define BABELTRACE_CTF_WRITER_EVENT_H
+
+/*
+ * BabelTrace - CTF Writer: Event
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_event_class;
+struct bt_ctf_event;
+struct bt_ctf_field;
+struct bt_ctf_field_type;
+
+/*
+ * bt_ctf_event_class_create: create an event class.
+ *
+ * Allocate a new event class of the given name. The creation of an event class
+ * sets its reference count to 1.
+ *
+ * @param name Event class name (will be copied).
+ *
+ * Returns an allocated event class on success, NULL on error.
+ */
+extern struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name);
+
+/*
+ * bt_ctf_event_class_add_field: add a field to an event class.
+ *
+ * Add a field of type "type" to the event class. The event class will share
+ * type's ownership by increasing its reference count. The "name" will be
+ * copied.
+ *
+ * @param event_class Event class.
+ * @param type Field type to add to the event class.
+ * @param name Name of the new field.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *type,
+ const char *name);
+
+/*
+ * bt_ctf_event_class__get and bt_ctf_event_class_put: increment and decrement
+ * the event class' reference count.
+ *
+ * These functions ensure that the event class won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy an event class.
+ *
+ * When the event class' reference count is decremented to 0 by a
+ * bt_ctf_event_class_put, the event class is freed.
+ *
+ * @param event_class Event class.
+ */
+extern void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
+extern void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_create: instanciate an event.
+ *
+ * Allocate a new event of the given event class. The creation of an event
+ * sets its reference count to 1. Each instance shares the ownership of the
+ * event class using its reference count.
+ *
+ * @param event_class Event class.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern struct bt_ctf_event *bt_ctf_event_create(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_set_payload: set an event's field.
+ *
+ * Set a manually allocated field as an event's payload. The event will share
+ * the field's ownership by using its reference count.
+ * bt_ctf_field_put() must be called on the returned value.
+ *
+ * @param event Event instance.
+ * @param name Event field name.
+ * @param value Instance of a field whose type corresponds to the event's field.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_set_payload(struct bt_ctf_event *event,
+ const char *name,
+ struct bt_ctf_field *value);
+
+/*
+ * bt_ctf_event_get_payload: get an event's field.
+ *
+ * Returns the field matching "name". bt_ctf_field_put() must be called on the
+ * returned value.
+ *
+ * @param event Event instance.
+ * @param name Event field name.
+ *
+ * Returns a field instance on success, NULL on error.
+ */
+extern struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
+ const char *name);
+
+/*
+ * bt_ctf_event_get and bt_ctf_event_put: increment and decrement
+ * the event's reference count.
+ *
+ * These functions ensure that the event won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy an event.
+ *
+ * When the event's reference count is decremented to 0 by a
+ * bt_ctf_event_put, the event is freed.
+ *
+ * @param event Event instance.
+ */
+extern void bt_ctf_event_get(struct bt_ctf_event *event);
+extern void bt_ctf_event_put(struct bt_ctf_event *event);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_EVENT_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_FUNCTOR_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_FUNCTOR_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Functors for use with glib data structures
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <glib.h>
+#include <babeltrace/babeltrace-internal.h>
+
+struct search_query {
+ gpointer value;
+ int found;
+};
+
+BT_HIDDEN
+void value_exists(gpointer element, gpointer search_query);
+
+#endif /* BABELTRACE_CTF_WRITER_FUNCTOR_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_REF_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_REF_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Reference count
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <assert.h>
+
+struct bt_ctf_ref {
+ long refcount;
+};
+
+static inline
+void bt_ctf_ref_init(struct bt_ctf_ref *ref)
+{
+ assert(ref);
+ ref->refcount = 1;
+}
+
+static inline
+void bt_ctf_ref_get(struct bt_ctf_ref *ref)
+{
+ assert(ref);
+ ref->refcount++;
+}
+
+static inline
+void bt_ctf_ref_put(struct bt_ctf_ref *ref,
+ void (*release)(struct bt_ctf_ref *))
+{
+ assert(ref);
+ assert(release);
+ if ((--ref->refcount) == 0) {
+ release(ref);
+ }
+}
+
+#endif /* BABELTRACE_CTF_WRITER_REF_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Stream internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/ctf/types.h>
+#include <glib.h>
+
+typedef void(*flush_func)(struct bt_ctf_stream *, void *);
+
+struct bt_ctf_stream_class {
+ struct bt_ctf_ref ref_count;
+ GString *name;
+ struct bt_ctf_clock *clock;
+ GPtrArray *event_classes; /* Array of pointers to bt_ctf_event_class */
+ int id_set;
+ uint32_t id;
+ uint32_t next_event_id;
+ uint32_t next_stream_id;
+ struct bt_ctf_field_type *event_header_type;
+ struct bt_ctf_field *event_header;
+ struct bt_ctf_field_type *packet_context_type;
+ struct bt_ctf_field *packet_context;
+ struct bt_ctf_field_type *event_context_type;
+ struct bt_ctf_field *event_context;
+ int frozen;
+};
+
+struct flush_callback {
+ flush_func func;
+ void *data;
+};
+
+struct bt_ctf_stream {
+ struct bt_ctf_ref ref_count;
+ uint32_t id;
+ struct bt_ctf_stream_class *stream_class;
+ struct flush_callback flush;
+ /* Array of pointers to bt_ctf_event for the current packet */
+ GPtrArray *events;
+ struct ctf_stream_pos pos;
+ unsigned int flushed_packet_count;
+ uint64_t events_discarded;
+};
+
+BT_HIDDEN
+void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class);
+
+BT_HIDDEN
+int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
+ uint32_t id);
+
+BT_HIDDEN
+int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class,
+ struct metadata_context *context);
+
+BT_HIDDEN
+int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class,
+ enum bt_ctf_byte_order byte_order);
+
+BT_HIDDEN
+struct bt_ctf_stream *bt_ctf_stream_create(
+ struct bt_ctf_stream_class *stream_class);
+
+BT_HIDDEN
+int bt_ctf_stream_set_flush_callback(struct bt_ctf_stream *stream,
+ flush_func callback, void *data);
+
+BT_HIDDEN
+int bt_ctf_stream_set_fd(struct bt_ctf_stream *stream, int fd);
+
+#endif /* BABELTRACE_CTF_WRITER_STREAM_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_STREAM_H
+#define BABELTRACE_CTF_WRITER_STREAM_H
+
+/*
+ * BabelTrace - CTF Writer: Stream
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_event;
+struct bt_ctf_event_class;
+struct bt_ctf_stream_class;
+struct bt_ctf_stream;
+struct bt_ctf_clock;
+
+/*
+ * bt_ctf_stream_class_create: create a stream class.
+ *
+ * Allocate a new stream class of the given name. The creation of an event class
+ * sets its reference count to 1.
+ *
+ * @param name Stream name.
+ *
+ * Returns an allocated stream class on success, NULL on error.
+ */
+extern struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name);
+
+/*
+ * bt_ctf_stream_class_set_clock: assign a clock to a stream class.
+ *
+ * Assign a clock to a stream class. This clock will be sampled each time an
+ * event is appended to an instance of this stream class.
+ *
+ * @param stream_class Stream class.
+ * @param clock Clock to assign to the provided stream class.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_stream_class_set_clock(
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_clock *clock);
+
+/*
+ * bt_ctf_stream_class_set_clock: assign a clock to a stream class.
+ *
+ * Add an event class to a stream class. New events can be added even after a
+ * stream has beem instanciated and events have been appended. However, a stream
+ * will not accept events of a class that has not been registered beforehand.
+ * The stream class will share the ownership of "event_class" by incrementing
+ * its reference count.
+ *
+ * @param stream_class Stream class.
+ * @param event_class Event class to add to the provided stream class.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_stream_class_add_event_class(
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_stream_class_get and bt_ctf_stream_class_put: increment and
+ * decrement the stream class' reference count.
+ *
+ * These functions ensure that the stream class won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy a stream class.
+ *
+ * When the stream class' reference count is decremented to 0 by a
+ * bt_ctf_stream_class_put, the stream class is freed.
+ *
+ * @param stream_class Stream class.
+ */
+extern void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class);
+extern void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class);
+
+/*
+ * bt_ctf_stream_append_discarded_events: increment discarded events count.
+ *
+ * Increase the current packet's discarded event count.
+ *
+ * @param stream Stream instance.
+ * @param event_count Number of discarded events to add to the stream's current
+ * packet.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream,
+ uint64_t event_count);
+
+/*
+ * bt_ctf_stream_append_event: append an event to the stream.
+ *
+ * Append "event" to the stream's current packet. The stream's associated clock
+ * will be sampled during this call. The event shall not be modified after
+ * being appended to a stream. The stream will share the event's ownership by
+ * incrementing its reference count. The current packet is not flushed to disk
+ * until the next call to bt_ctf_stream_flush.
+ *
+ * @param stream Stream instance.
+ * @param event Event instance to append to the stream's current packet.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_stream_append_event(struct bt_ctf_stream *stream,
+ struct bt_ctf_event *event);
+
+/*
+ * bt_ctf_stream_flush: flush a stream.
+ *
+ * The stream's current packet's events will be flushed to disk. Events
+ * subsequently appended to the stream will be added to a new packet.
+ *
+ * @param stream Stream instance.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_stream_flush(struct bt_ctf_stream *stream);
+
+/*
+ * bt_ctf_stream_get and bt_ctf_stream_put: increment and decrement the
+ * stream's reference count.
+ *
+ * These functions ensure that the stream won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy a stream.
+ *
+ * When the stream's reference count is decremented to 0 by a
+ * bt_ctf_stream_put, the stream is freed.
+ *
+ * @param stream Stream instance.
+ */
+extern void bt_ctf_stream_get(struct bt_ctf_stream *stream);
+extern void bt_ctf_stream_put(struct bt_ctf_stream *stream);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_STREAM_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_WRITER_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_WRITER_INTERNAL_H
+
+/*
+ * BabelTrace - CTF Writer: Writer internal
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/writer.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <glib.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <uuid/uuid.h>
+
+enum field_type_alias {
+ FIELD_TYPE_ALIAS_UINT5_T = 0,
+ FIELD_TYPE_ALIAS_UINT8_T,
+ FIELD_TYPE_ALIAS_UINT16_T,
+ FIELD_TYPE_ALIAS_UINT27_T,
+ FIELD_TYPE_ALIAS_UINT32_T,
+ FIELD_TYPE_ALIAS_UINT64_T,
+ NR_FIELD_TYPE_ALIAS,
+};
+
+struct bt_ctf_writer {
+ struct bt_ctf_ref ref_count;
+ int frozen; /* Protects attributes that can't be changed mid-trace */
+ GString *path;
+ uuid_t uuid;
+ int byte_order;
+ int trace_dir_fd;
+ int metadata_fd;
+ GPtrArray *environment; /* Array of pointers to environment_variable */
+ GPtrArray *clocks; /* Array of pointers to bt_ctf_clock */
+ GPtrArray *stream_classes; /* Array of pointers to bt_ctf_stream_class */
+ GPtrArray *streams; /* Array of pointers to bt_ctf_stream */
+ struct bt_ctf_field_type *trace_packet_header_type;
+ struct bt_ctf_field *trace_packet_header;
+ uint32_t next_stream_id;
+};
+
+struct environment_variable {
+ GString *name, *value;
+};
+
+struct metadata_context {
+ GString *string;
+ GString *field_name;
+ unsigned int current_indentation_level;
+};
+
+/* Checks that the string does not contain a reserved keyword */
+BT_HIDDEN
+int validate_identifier(const char *string);
+
+BT_HIDDEN
+const char *get_byte_order_string(int byte_order);
+
+BT_HIDDEN
+struct bt_ctf_field_type *get_field_type(enum field_type_alias alias);
+
+#endif /* BABELTRACE_CTF_WRITER_WRITER_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_WRITER_H
+#define BABELTRACE_CTF_WRITER_WRITER_H
+
+/*
+ * BabelTrace - CTF Writer: Writer
+ *
+ * Copyright 2013 EfficiOS Inc.
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_writer;
+struct bt_ctf_stream;
+struct bt_ctf_stream_class;
+struct bt_ctf_clock;
+
+enum bt_ctf_byte_order {
+ BT_CTF_BYTE_ORDER_NATIVE = 0,
+ BT_CTF_BYTE_ORDER_LITTLE_ENDIAN,
+ BT_CTF_BYTE_ORDER_BIG_ENDIAN,
+ BT_CTF_BYTE_ORDER_NETWORK,
+};
+
+/*
+ * bt_ctf_writer_create: create a writer instance.
+ *
+ * Allocate a new writer that will produce a trace in the given path.
+ * The creation of a writer sets its reference count to 1.
+ *
+ * @param path Path to the trace's containing folder (string is copied).
+ *
+ * Returns an allocated writer on success, NULL on error.
+ */
+extern struct bt_ctf_writer *bt_ctf_writer_create(const char *path);
+
+/*
+ * bt_ctf_writer_create_stream: create a stream instance.
+ *
+ * Allocate a new stream instance and register it to the writer. The creation of
+ * a stream sets its reference count to 1.
+ *
+ * @param writer Writer instance.
+ * @param stream_class Stream class to instantiate.
+ *
+ * Returns an allocated writer on success, NULL on error.
+ */
+extern struct bt_ctf_stream *bt_ctf_writer_create_stream(
+ struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *stream_class);
+
+/*
+ * bt_ctf_writer_add_environment_field: add an environment field to the trace.
+ *
+ * Add an environment field to the trace. The name and value parameters are
+ * copied.
+ *
+ * @param writer Writer instance.
+ * @param name Name of the environment field (will be copied).
+ * @param value Value of the environment field (will be copied).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_writer_add_environment_field(struct bt_ctf_writer *writer,
+ const char *name,
+ const char *value);
+
+/*
+ * bt_ctf_writer_add_clock: add a clock to the trace.
+ *
+ * Add a clock to the trace. Clocks assigned to stream classes must be
+ * registered to the writer.
+ *
+ * @param writer Writer instance.
+ * @param clock Clock to add to the trace.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_writer_add_clock(struct bt_ctf_writer *writer,
+ struct bt_ctf_clock *clock);
+
+/*
+ * bt_ctf_writer_get_metadata_string: get meta-data string.
+ *
+ * Get the trace's TSDL meta-data. The caller assumes the ownership of the
+ * returned string.
+ *
+ * @param writer Writer instance.
+ *
+ * Returns the metadata string on success, NULL on error.
+ */
+extern char *bt_ctf_writer_get_metadata_string(struct bt_ctf_writer *writer);
+
+/*
+ * bt_ctf_writer_flush_metadata: flush the trace's metadata to disk.
+ *
+ * Flush the trace's metadata to the metadata file. Note that the metadata will
+ * be flushed automatically when the Writer instance is released (last call to
+ * bt_ctf_writer_put).
+ *
+ * @param writer Writer instance.
+ */
+extern void bt_ctf_writer_flush_metadata(struct bt_ctf_writer *writer);
+
+/*
+ * bt_ctf_writer_set_byte_order: set a field type's byte order.
+ *
+ * Set the trace's byte order. Defaults to BT_CTF_BYTE_ORDER_NATIVE,
+ * the host machine's endianness.
+ *
+ * @param writer Writer instance.
+ * @param byte_order Trace's byte order.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_writer_set_byte_order(struct bt_ctf_writer *writer,
+ enum bt_ctf_byte_order byte_order);
+
+/*
+ * bt_ctf_writer_get and bt_ctf_writer_put: increment and decrement the
+ * writer's reference count.
+ *
+ * These functions ensure that the writer won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy a writer.
+ *
+ * When the writer's reference count is decremented to 0 by a
+ * bt_ctf_writer_put, the writer is freed.
+ *
+ * @param writer Writer instance.
+ */
+extern void bt_ctf_writer_get(struct bt_ctf_writer *writer);
+extern void bt_ctf_writer_put(struct bt_ctf_writer *writer);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_WRITER_WRITER_H */
if (unlikely(pos->offset == EOF))
return;
- if (pos->fd >= 0) {
- /*
- * PROT_READ ctf_packet_seek is called from within
- * ctf_pos_get_event so end of packet does not change
- * the packet context on for the last event of the
- * packet.
- */
- if ((pos->prot == PROT_WRITE)
- && (unlikely(pos->offset + bit_offset >= pos->packet_size))) {
- printf_debug("ctf_packet_seek (before call): %" PRId64 "\n",
- pos->offset);
- ctf_packet_seek(&pos->parent, 0, SEEK_CUR);
- printf_debug("ctf_packet_seek (after call): %" PRId64 "\n",
- pos->offset);
- return;
- }
- }
pos->offset += bit_offset;
printf_debug("ctf_move_pos after increment: %" PRId64 "\n", pos->offset);
}
static inline
void ctf_pos_pad_packet(struct ctf_stream_pos *pos)
{
- ctf_move_pos(pos, pos->packet_size - pos->offset);
+ ctf_packet_seek(&pos->parent, 0, SEEK_CUR);
}
static inline
* only use BT_SEEK_LAST to get the timestamp of the last event(s) in
* the trace.
*/
+enum bt_iter_pos_type {
+ BT_SEEK_TIME, /* uses u.seek_time */
+ BT_SEEK_RESTORE, /* uses u.restore */
+ BT_SEEK_CUR,
+ BT_SEEK_BEGIN,
+ BT_SEEK_LAST,
+};
+
struct bt_iter_pos {
- enum {
- BT_SEEK_TIME, /* uses u.seek_time */
- BT_SEEK_RESTORE, /* uses u.restore */
- BT_SEEK_CUR,
- BT_SEEK_BEGIN,
- BT_SEEK_LAST,
- } type;
+ enum bt_iter_pos_type type;
union {
uint64_t seek_time;
struct bt_saved_pos *restore;
#include <babeltrace/trace-handle-internal.h>
#include <babeltrace/trace-collection.h>
#include <babeltrace/format.h>
+#include <babeltrace/format-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
+static
+void remove_trace_handle(struct bt_trace_handle *handle);
+
struct bt_context *bt_context_create(void)
{
struct bt_context *ctx;
/* Instanciate the trace handle container */
ctx->trace_handles = g_hash_table_new_full(g_direct_hash,
g_direct_equal, NULL,
- (GDestroyNotify) bt_trace_handle_destroy);
+ (GDestroyNotify) remove_trace_handle);
ctx->current_iterator = NULL;
ctx->tc = g_new0(struct trace_collection, 1);
int bt_context_remove_trace(struct bt_context *ctx, int handle_id)
{
- struct bt_trace_handle *handle;
- int ret;
+ int ret = 0;
- if (!ctx)
- return -EINVAL;
-
- handle = g_hash_table_lookup(ctx->trace_handles,
- (gpointer) (unsigned long) handle_id);
- if (!handle)
- return -ENOENT;
+ if (!ctx) {
+ ret = -EINVAL;
+ goto end;
+ }
- /* Remove from containers */
- bt_trace_collection_remove(ctx->tc, handle->td);
- /* Close the trace */
- ret = handle->format->close_trace(handle->td);
- if (ret) {
- fprintf(stderr, "Error in close_trace callback\n");
- return ret;
+ /*
+ * Remove the handle. remove_trace_handle will be called
+ * automatically.
+ */
+ if (!g_hash_table_remove(ctx->trace_handles,
+ (gpointer) (unsigned long) handle_id)) {
+ ret = -ENOENT;
+ goto end;
}
- /* Remove and free the handle */
- g_hash_table_remove(ctx->trace_handles,
- (gpointer) (unsigned long) handle_id);
- return 0;
+end:
+ return ret;
}
static
void bt_context_destroy(struct bt_context *ctx)
{
assert(ctx);
- bt_finalize_trace_collection(ctx->tc);
/*
* Remove all traces. The g_hash_table_destroy will call
- * bt_trace_handle_destroy on each elements.
+ * remove_trace_handle on each element.
*/
g_hash_table_destroy(ctx->trace_handles);
+ bt_finalize_trace_collection(ctx->tc);
+
/* ctx->tc should always be valid */
assert(ctx->tc != NULL);
g_free(ctx->tc);
if (ctx->refcount == 0)
bt_context_destroy(ctx);
}
+
+static
+void remove_trace_handle(struct bt_trace_handle *handle)
+{
+ int ret;
+
+ /* Remove from containers */
+ bt_trace_collection_remove(handle->td->ctx->tc, handle->td);
+ /* Close the trace */
+ ret = handle->format->close_trace(handle->td);
+ if (ret) {
+ fprintf(stderr, "Error in close_trace callback\n");
+ }
+
+ bt_trace_handle_destroy(handle);
+}
test_bitfield_LDADD = $(LIBTAP) libtestcommon.a
-noinst_PROGRAMS = test_seek test_bitfield
+test_ctf_writer_LDADD = $(LIBTAP) \
+ $(top_builddir)/lib/libbabeltrace.la \
+ $(top_builddir)/formats/ctf/libbabeltrace-ctf.la
+
+noinst_PROGRAMS = test_seek test_bitfield test_ctf_writer
test_seek_SOURCES = test_seek.c
test_bitfield_SOURCES = test_bitfield.c
+test_ctf_writer_SOURCES = test_ctf_writer.c
SCRIPT_LIST = test_seek_big_trace test_seek_empty_packet
--- /dev/null
+/*
+ * test-ctf-writer.c
+ *
+ * CTF Writer test
+ *
+ * Copyright 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#define _GNU_SOURCE
+#include <babeltrace/ctf-writer/writer.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/stream.h>
+#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf/events.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/utsname.h>
+#include <limits.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include "tap/tap.h"
+
+#define METADATA_LINE_SIZE 512
+#define SEQUENCE_TEST_LENGTH 10
+#define PACKET_RESIZE_TEST_LENGTH 100000
+
+static uint64_t current_time;
+
+void validate_metadata(char *parser_path, char *metadata_path)
+{
+ int ret = 0;
+ char parser_output_path[] = "/tmp/parser_output_XXXXXX";
+ int parser_output_fd = -1, metadata_fd = -1;
+
+ if (!metadata_path) {
+ ret = -1;
+ goto result;
+ }
+
+ parser_output_fd = mkstemp(parser_output_path);
+ metadata_fd = open(metadata_path, O_RDONLY);
+
+ unlink(parser_output_path);
+
+ if (parser_output_fd == -1 || metadata_fd == -1) {
+ diag("Failed create temporary files for metadata parsing.");
+ ret = -1;
+ goto result;
+ }
+
+ pid_t pid = fork();
+ if (pid) {
+ int status = 0;
+ waitpid(pid, &status, 0);
+ ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
+ } else {
+ /* ctf-parser-test expects a metadata string on stdin. */
+ ret = dup2(metadata_fd, STDIN_FILENO);
+ if (ret < 0) {
+ perror("# dup2 metadata_fd to STDIN");
+ goto result;
+ }
+
+ ret = dup2(parser_output_fd, STDOUT_FILENO);
+ if (ret < 0) {
+ perror("# dup2 parser_output_fd to STDOUT");
+ goto result;
+ }
+
+ ret = dup2(parser_output_fd, STDERR_FILENO);
+ if (ret < 0) {
+ perror("# dup2 parser_output_fd to STDERR");
+ goto result;
+ }
+
+ execl(parser_path, "ctf-parser-test", NULL);
+ perror("# Could not launch the ctf metadata parser process");
+ exit(-1);
+ }
+result:
+ ok(ret == 0, "Metadata string is valid");
+
+ if (ret && metadata_fd >= 0 && parser_output_fd >= 0) {
+ char *line;
+ size_t len = METADATA_LINE_SIZE;
+ FILE *metadata_fp = NULL, *parser_output_fp = NULL;
+
+ metadata_fp = fdopen(metadata_fd, "r");
+ if (!metadata_fp) {
+ perror("fdopen on metadata_fd");
+ goto close_fp;
+ }
+ metadata_fd = -1;
+
+ parser_output_fp = fdopen(parser_output_fd, "r");
+ if (!parser_output_fp) {
+ perror("fdopen on parser_output_fd");
+ goto close_fp;
+ }
+ parser_output_fd = -1;
+
+ line = malloc(len);
+ if (!line) {
+ diag("malloc failure");
+ }
+
+ rewind(metadata_fp);
+
+ /* Output the metadata and parser output as diagnostic */
+ while (getline(&line, &len, metadata_fp) > 0) {
+ diag("%s", line);
+ }
+
+ rewind(parser_output_fp);
+ while (getline(&line, &len, parser_output_fp) > 0) {
+ diag("%s", line);
+ }
+
+ free(line);
+close_fp:
+ if (metadata_fp) {
+ if (fclose(metadata_fp)) {
+ diag("fclose failure");
+ }
+ }
+ if (parser_output_fp) {
+ if (fclose(parser_output_fp)) {
+ diag("fclose failure");
+ }
+ }
+ }
+
+ if (parser_output_fd >= 0) {
+ if (close(parser_output_fd)) {
+ diag("close error");
+ }
+ }
+ if (metadata_fd >= 0) {
+ if (close(metadata_fd)) {
+ diag("close error");
+ }
+ }
+}
+
+void validate_trace(char *parser_path, char *trace_path)
+{
+ int ret = 0;
+ char babeltrace_output_path[] = "/tmp/babeltrace_output_XXXXXX";
+ int babeltrace_output_fd = -1;
+
+ if (!trace_path) {
+ ret = -1;
+ goto result;
+ }
+
+ babeltrace_output_fd = mkstemp(babeltrace_output_path);
+ unlink(babeltrace_output_path);
+
+ if (babeltrace_output_fd == -1) {
+ diag("Failed to create a temporary file for trace parsing.");
+ ret = -1;
+ goto result;
+ }
+
+ pid_t pid = fork();
+ if (pid) {
+ int status = 0;
+ waitpid(pid, &status, 0);
+ ret = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
+ } else {
+ ret = dup2(babeltrace_output_fd, STDOUT_FILENO);
+ if (ret < 0) {
+ perror("# dup2 babeltrace_output_fd to STDOUT");
+ goto result;
+ }
+
+ ret = dup2(babeltrace_output_fd, STDERR_FILENO);
+ if (ret < 0) {
+ perror("# dup2 babeltrace_output_fd to STDERR");
+ goto result;
+ }
+
+ execl(parser_path, "babeltrace", trace_path, NULL);
+ perror("# Could not launch the babeltrace process");
+ exit(-1);
+ }
+result:
+ ok(ret == 0, "Babeltrace could read the resulting trace");
+
+ if (ret && babeltrace_output_fd >= 0) {
+ char *line;
+ size_t len = METADATA_LINE_SIZE;
+ FILE *babeltrace_output_fp = NULL;
+
+ babeltrace_output_fp = fdopen(babeltrace_output_fd, "r");
+ if (!babeltrace_output_fp) {
+ perror("fdopen on babeltrace_output_fd");
+ goto close_fp;
+ }
+ babeltrace_output_fd = -1;
+
+ line = malloc(len);
+ if (!line) {
+ diag("malloc error");
+ }
+ rewind(babeltrace_output_fp);
+ while (getline(&line, &len, babeltrace_output_fp) > 0) {
+ diag("%s", line);
+ }
+
+ free(line);
+close_fp:
+ if (babeltrace_output_fp) {
+ if (fclose(babeltrace_output_fp)) {
+ diag("fclose error");
+ }
+ }
+ }
+
+ if (babeltrace_output_fd >= 0) {
+ if (close(babeltrace_output_fd)) {
+ diag("close error");
+ }
+ }
+}
+
+void append_simple_event(struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
+{
+ /* Create and add a simple event class */
+ struct bt_ctf_event_class *simple_event_class =
+ bt_ctf_event_class_create("Simple Event");
+ struct bt_ctf_field_type *uint_12_type =
+ bt_ctf_field_type_integer_create(12);
+ struct bt_ctf_field_type *float_type =
+ bt_ctf_field_type_floating_point_create();
+ struct bt_ctf_event *simple_event;
+ struct bt_ctf_field *integer_field;
+ struct bt_ctf_field *float_field;
+
+ bt_ctf_field_type_set_alignment(float_type, 32);
+ bt_ctf_field_type_floating_point_set_exponent_digits(float_type, 11);
+ bt_ctf_field_type_floating_point_set_mantissa_digits(float_type, 53);
+ ok(uint_12_type, "Create an unsigned integer type");
+ bt_ctf_event_class_add_field(simple_event_class, uint_12_type,
+ "integer_field");
+ bt_ctf_event_class_add_field(simple_event_class, float_type,
+ "float_field");
+ bt_ctf_stream_class_add_event_class(stream_class,
+ simple_event_class);
+
+ simple_event = bt_ctf_event_create(simple_event_class);
+
+ ok(simple_event,
+ "Instantiate an event containing a single integer field");
+
+ integer_field = bt_ctf_field_create(uint_12_type);
+ bt_ctf_field_unsigned_integer_set_value(integer_field, 42);
+ ok(bt_ctf_event_set_payload(simple_event, "integer_field",
+ integer_field) == 0, "Use bt_ctf_event_set_payload to set a manually allocated field");
+
+ float_field = bt_ctf_event_get_payload(simple_event, "float_field");
+ bt_ctf_field_floating_point_set_value(float_field, 3.1415);
+
+ ok(bt_ctf_clock_set_time(clock, current_time) == 0, "Set clock time");
+
+ ok(bt_ctf_stream_append_event(stream, simple_event) == 0,
+ "Append simple event to trace stream");
+
+ ok(bt_ctf_stream_flush(stream) == 0,
+ "Flush trace stream with one event");
+
+ bt_ctf_event_class_put(simple_event_class);
+ bt_ctf_event_put(simple_event);
+ bt_ctf_field_type_put(uint_12_type);
+ bt_ctf_field_type_put(float_type);
+ bt_ctf_field_put(integer_field);
+ bt_ctf_field_put(float_field);
+}
+
+void append_complex_event(struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
+{
+ int i;
+ struct bt_ctf_field_type *uint_35_type =
+ bt_ctf_field_type_integer_create(35);
+ struct bt_ctf_field_type *int_16_type =
+ bt_ctf_field_type_integer_create(16);
+ struct bt_ctf_field_type *uint_3_type =
+ bt_ctf_field_type_integer_create(3);
+ struct bt_ctf_field_type *enum_variant_type =
+ bt_ctf_field_type_enumeration_create(uint_3_type);
+ struct bt_ctf_field_type *variant_type =
+ bt_ctf_field_type_variant_create(enum_variant_type,
+ "variant_selector");
+ struct bt_ctf_field_type *string_type =
+ bt_ctf_field_type_string_create();
+ struct bt_ctf_field_type *sequence_type;
+ struct bt_ctf_field_type *inner_structure_type =
+ bt_ctf_field_type_structure_create();
+ struct bt_ctf_field_type *complex_structure_type =
+ bt_ctf_field_type_structure_create();
+ struct bt_ctf_event_class *event_class;
+ struct bt_ctf_event *event;
+ struct bt_ctf_field *uint_35_field, *int_16_field, *a_string_field,
+ *inner_structure_field, *complex_structure_field,
+ *a_sequence_field, *enum_variant_field, *enum_container_field,
+ *variant_field;
+
+ bt_ctf_field_type_set_alignment(int_16_type, 32);
+ bt_ctf_field_type_integer_set_signed(int_16_type, 1);
+ bt_ctf_field_type_integer_set_base(uint_35_type,
+ BT_CTF_INTEGER_BASE_HEXADECIMAL);
+
+ sequence_type = bt_ctf_field_type_sequence_create(int_16_type,
+ "seq_len");
+ bt_ctf_field_type_structure_add_field(inner_structure_type,
+ uint_35_type, "seq_len");
+ bt_ctf_field_type_structure_add_field(inner_structure_type,
+ sequence_type, "a_sequence");
+
+ bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
+ "UINT3_TYPE", 0, 0);
+ bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
+ "INT16_TYPE", 1, 1);
+ bt_ctf_field_type_enumeration_add_mapping(enum_variant_type,
+ "UINT35_TYPE", 2, 7);
+ ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
+ "An unknown entry"), "Reject a variant field based on an unknown tag value");
+ ok(bt_ctf_field_type_variant_add_field(variant_type, uint_3_type,
+ "UINT3_TYPE") == 0, "Add a field to a variant");
+ bt_ctf_field_type_variant_add_field(variant_type, int_16_type,
+ "INT16_TYPE");
+ bt_ctf_field_type_variant_add_field(variant_type, uint_35_type,
+ "UINT35_TYPE");
+
+ bt_ctf_field_type_structure_add_field(complex_structure_type,
+ enum_variant_type, "variant_selector");
+ bt_ctf_field_type_structure_add_field(complex_structure_type,
+ string_type, "a_string");
+ bt_ctf_field_type_structure_add_field(complex_structure_type,
+ variant_type, "variant_value");
+ bt_ctf_field_type_structure_add_field(complex_structure_type,
+ inner_structure_type, "inner_structure");
+
+ ok(bt_ctf_event_class_create("clock") == NULL,
+ "Reject creation of an event class with an illegal name");
+ event_class = bt_ctf_event_class_create("Complex Test Event");
+ ok(event_class, "Create an event class");
+ ok(bt_ctf_event_class_add_field(event_class, uint_35_type, ""),
+ "Reject addition of a field with an empty name to an event");
+ ok(bt_ctf_event_class_add_field(event_class, NULL, "an_integer"),
+ "Reject addition of a field with a NULL type to an event");
+ ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
+ "int"),
+ "Reject addition of a type with an illegal name to an event");
+ ok(bt_ctf_event_class_add_field(event_class, uint_35_type,
+ "uint_35") == 0,
+ "Add field of type unsigned integer to an event");
+ ok(bt_ctf_event_class_add_field(event_class, int_16_type,
+ "int_16") == 0, "Add field of type signed integer to an event");
+ ok(bt_ctf_event_class_add_field(event_class, complex_structure_type,
+ "complex_structure") == 0,
+ "Add composite structure to an event");
+
+ /* Add event class to the stream class */
+ ok(bt_ctf_stream_class_add_event_class(stream_class, NULL),
+ "Reject addition of NULL event class to a stream class");
+ ok(bt_ctf_stream_class_add_event_class(stream_class,
+ event_class) == 0, "Add an event class to stream class");
+
+ event = bt_ctf_event_create(event_class);
+ ok(event, "Instanciate a complex event");
+
+ uint_35_field = bt_ctf_event_get_payload(event, "uint_35");
+ ok(uint_35_field, "Use bt_ctf_event_get_payload to get a field instance ");
+ bt_ctf_field_unsigned_integer_set_value(uint_35_field, 0x0DDF00D);
+ bt_ctf_field_put(uint_35_field);
+
+ int_16_field = bt_ctf_event_get_payload(event, "int_16");
+ bt_ctf_field_signed_integer_set_value(int_16_field, -12345);
+ bt_ctf_field_put(int_16_field);
+
+ complex_structure_field = bt_ctf_event_get_payload(event,
+ "complex_structure");
+ inner_structure_field = bt_ctf_field_structure_get_field(
+ complex_structure_field, "inner_structure");
+ a_string_field = bt_ctf_field_structure_get_field(
+ complex_structure_field, "a_string");
+ enum_variant_field = bt_ctf_field_structure_get_field(
+ complex_structure_field, "variant_selector");
+ variant_field = bt_ctf_field_structure_get_field(
+ complex_structure_field, "variant_value");
+ uint_35_field = bt_ctf_field_structure_get_field(
+ inner_structure_field, "seq_len");
+ a_sequence_field = bt_ctf_field_structure_get_field(
+ inner_structure_field, "a_sequence");
+
+ enum_container_field = bt_ctf_field_enumeration_get_container(
+ enum_variant_field);
+ bt_ctf_field_unsigned_integer_set_value(enum_container_field, 1);
+ int_16_field = bt_ctf_field_variant_get_field(variant_field,
+ enum_variant_field);
+ bt_ctf_field_signed_integer_set_value(int_16_field, -200);
+ bt_ctf_field_put(int_16_field);
+ bt_ctf_field_string_set_value(a_string_field,
+ "Test string");
+ bt_ctf_field_unsigned_integer_set_value(uint_35_field,
+ SEQUENCE_TEST_LENGTH);
+ ok(bt_ctf_field_sequence_set_length(a_sequence_field,
+ uint_35_field) == 0, "Set a sequence field's length");
+
+ for (i = 0; i < SEQUENCE_TEST_LENGTH; i++) {
+ int_16_field = bt_ctf_field_sequence_get_field(
+ a_sequence_field, i);
+ bt_ctf_field_signed_integer_set_value(int_16_field, 4 - i);
+ bt_ctf_field_put(int_16_field);
+ }
+
+ bt_ctf_clock_set_time(clock, ++current_time);
+ ok(bt_ctf_stream_append_event(stream, event) == 0,
+ "Append a complex event to a stream");
+ ok(bt_ctf_stream_flush(stream) == 0,
+ "Flush a stream containing a complex event");
+
+ bt_ctf_field_put(uint_35_field);
+ bt_ctf_field_put(a_string_field);
+ bt_ctf_field_put(inner_structure_field);
+ bt_ctf_field_put(complex_structure_field);
+ bt_ctf_field_put(a_sequence_field);
+ bt_ctf_field_put(enum_variant_field);
+ bt_ctf_field_put(enum_container_field);
+ bt_ctf_field_put(variant_field);
+ bt_ctf_field_type_put(uint_35_type);
+ bt_ctf_field_type_put(int_16_type);
+ bt_ctf_field_type_put(string_type);
+ bt_ctf_field_type_put(sequence_type);
+ bt_ctf_field_type_put(inner_structure_type);
+ bt_ctf_field_type_put(complex_structure_type);
+ bt_ctf_field_type_put(uint_3_type);
+ bt_ctf_field_type_put(enum_variant_type);
+ bt_ctf_field_type_put(variant_type);
+ bt_ctf_event_class_put(event_class);
+ bt_ctf_event_put(event);
+}
+
+void type_field_tests()
+{
+ struct bt_ctf_field *uint_12;
+ struct bt_ctf_field *int_16;
+ struct bt_ctf_field *string;
+ struct bt_ctf_field_type *composite_structure_type;
+ struct bt_ctf_field_type *structure_seq_type;
+ struct bt_ctf_field_type *string_type;
+ struct bt_ctf_field_type *sequence_type;
+ struct bt_ctf_field_type *uint_8_type;
+ struct bt_ctf_field_type *int_16_type;
+ struct bt_ctf_field_type *uint_12_type =
+ bt_ctf_field_type_integer_create(12);
+
+ ok(uint_12_type, "Create an unsigned integer type");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_BINARY) == 0,
+ "Set integer type's base as binary");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_DECIMAL) == 0,
+ "Set integer type's base as decimal");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_UNKNOWN),
+ "Reject integer type's base set as unknown");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_OCTAL) == 0,
+ "Set integer type's base as octal");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_HEXADECIMAL) == 0,
+ "Set integer type's base as hexadecimal");
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type, 457417),
+ "Reject unknown integer base value");
+ ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 952835) == 0,
+ "Set integer type signedness to signed");
+ ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0) == 0,
+ "Set integer type signedness to unsigned");
+
+ int_16_type = bt_ctf_field_type_integer_create(16);
+ bt_ctf_field_type_integer_set_signed(int_16_type, 1);
+ uint_8_type = bt_ctf_field_type_integer_create(8);
+ sequence_type =
+ bt_ctf_field_type_sequence_create(int_16_type, "seq_len");
+ ok(sequence_type, "Create a sequence of int16_t type");
+
+ string_type = bt_ctf_field_type_string_create();
+ ok(string_type, "Create a string type");
+ ok(bt_ctf_field_type_string_set_encoding(string_type,
+ CTF_STRING_NONE),
+ "Reject invalid \"None\" string encoding");
+ ok(bt_ctf_field_type_string_set_encoding(string_type,
+ 42),
+ "Reject invalid string encoding");
+ ok(bt_ctf_field_type_string_set_encoding(string_type,
+ CTF_STRING_ASCII) == 0,
+ "Set string encoding to ASCII");
+
+ structure_seq_type = bt_ctf_field_type_structure_create();
+ ok(structure_seq_type, "Create a structure type");
+ ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
+ uint_8_type, "seq_len") == 0,
+ "Add a uint8_t type to a structure");
+ ok(bt_ctf_field_type_structure_add_field(structure_seq_type,
+ sequence_type, "a_sequence") == 0,
+ "Add a sequence type to a structure");
+ composite_structure_type = bt_ctf_field_type_structure_create();
+ ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
+ string_type, "a_string") == 0,
+ "Add a string type to a structure");
+ ok(bt_ctf_field_type_structure_add_field(composite_structure_type,
+ structure_seq_type, "inner_structure") == 0,
+ "Add a structure type to a structure");
+
+ int_16 = bt_ctf_field_create(int_16_type);
+ ok(int_16, "Instanciate a signed 16-bit integer");
+ uint_12 = bt_ctf_field_create(uint_12_type);
+ ok(uint_12, "Instanciate an unsigned 12-bit integer");
+
+ /* Can't modify types after instanciating them */
+ ok(bt_ctf_field_type_integer_set_base(uint_12_type,
+ BT_CTF_INTEGER_BASE_DECIMAL),
+ "Check an integer type' base can't be modified after instanciation");
+ ok(bt_ctf_field_type_integer_set_signed(uint_12_type, 0),
+ "Check an integer type's signedness can't be modified after instanciation");
+
+ /* Check signed property is checked */
+ ok(bt_ctf_field_signed_integer_set_value(uint_12, -52),
+ "Check bt_ctf_field_signed_integer_set_value is not allowed on an unsigned integer");
+ ok(bt_ctf_field_unsigned_integer_set_value(int_16, 42),
+ "Check bt_ctf_field_unsigned_integer_set_value is not allowed on a signed integer");
+
+ /* Check overflows are properly tested for */
+ ok(bt_ctf_field_signed_integer_set_value(int_16, -32768) == 0,
+ "Check -32768 is allowed for a signed 16-bit integer");
+ ok(bt_ctf_field_signed_integer_set_value(int_16, 32767) == 0,
+ "Check 32767 is allowed for a signed 16-bit integer");
+ ok(bt_ctf_field_signed_integer_set_value(int_16, 32768),
+ "Check 32768 is not allowed for a signed 16-bit integer");
+ ok(bt_ctf_field_signed_integer_set_value(int_16, -32769),
+ "Check -32769 is not allowed for a signed 16-bit integer");
+ ok(bt_ctf_field_signed_integer_set_value(int_16, -42) == 0,
+ "Check -42 is allowed for a signed 16-bit integer");
+
+ ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4095) == 0,
+ "Check 4095 is allowed for an unsigned 12-bit integer");
+ ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 4096),
+ "Check 4096 is not allowed for a unsigned 12-bit integer");
+ ok(bt_ctf_field_unsigned_integer_set_value(uint_12, 0) == 0,
+ "Check 0 is allowed for an unsigned 12-bit integer");
+
+ string = bt_ctf_field_create(string_type);
+ ok(string, "Instanciate a string field");
+ ok(bt_ctf_field_string_set_value(string, "A value") == 0,
+ "Set a string's value");
+
+ bt_ctf_field_put(string);
+ bt_ctf_field_put(uint_12);
+ bt_ctf_field_put(int_16);
+ bt_ctf_field_type_put(composite_structure_type);
+ bt_ctf_field_type_put(structure_seq_type);
+ bt_ctf_field_type_put(string_type);
+ bt_ctf_field_type_put(sequence_type);
+ bt_ctf_field_type_put(uint_8_type);
+ bt_ctf_field_type_put(int_16_type);
+ bt_ctf_field_type_put(uint_12_type);
+}
+
+void packet_resize_test(struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream *stream, struct bt_ctf_clock *clock)
+{
+ /*
+ * Append enough events to force the underlying packet to be resized.
+ * Also tests that a new event can be declared after a stream has been
+ * instantiated and used/flushed.
+ */
+ int ret = 0;
+ int i;
+ struct bt_ctf_event_class *event_class = bt_ctf_event_class_create(
+ "Spammy_Event");
+ struct bt_ctf_field_type *integer_type =
+ bt_ctf_field_type_integer_create(17);
+ struct bt_ctf_field_type *string_type =
+ bt_ctf_field_type_string_create();
+
+ ret |= bt_ctf_event_class_add_field(event_class, integer_type,
+ "field_1");
+ ret |= bt_ctf_event_class_add_field(event_class, string_type,
+ "a_string");
+ ret |= bt_ctf_stream_class_add_event_class(stream_class, event_class);
+ ok(ret == 0, "Add a new event class to a stream class after writing an event");
+ if (ret) {
+ goto end;
+ }
+
+ for (i = 0; i < PACKET_RESIZE_TEST_LENGTH; i++) {
+ struct bt_ctf_event *event = bt_ctf_event_create(event_class);
+ struct bt_ctf_field *integer =
+ bt_ctf_field_create(integer_type);
+ struct bt_ctf_field *string =
+ bt_ctf_field_create(string_type);
+
+ ret |= bt_ctf_clock_set_time(clock, ++current_time);
+ ret |= bt_ctf_field_unsigned_integer_set_value(integer, i);
+ ret |= bt_ctf_event_set_payload(event, "field_1",
+ integer);
+ bt_ctf_field_put(integer);
+ ret |= bt_ctf_field_string_set_value(string, "This is a test");
+ ret |= bt_ctf_event_set_payload(event, "a_string",
+ string);
+ bt_ctf_field_put(string);
+ ret |= bt_ctf_stream_append_event(stream, event);
+ bt_ctf_event_put(event);
+
+ if (ret) {
+ break;
+ }
+ }
+end:
+ ok(ret == 0, "Append 100 000 events to a stream");
+ ok(bt_ctf_stream_flush(stream) == 0,
+ "Flush a stream that forces a packet resize");
+ bt_ctf_field_type_put(integer_type);
+ bt_ctf_field_type_put(string_type);
+ bt_ctf_event_class_put(event_class);
+}
+
+int main(int argc, char **argv)
+{
+ char trace_path[] = "/tmp/ctfwriter_XXXXXX";
+ char metadata_path[sizeof(trace_path) + 9];
+ const char *clock_name = "test_clock";
+ const char *clock_description = "This is a test clock";
+ const uint64_t frequency = 1000000000;
+ const uint64_t offset_s = 1351530929945824323;
+ const uint64_t offset = 1234567;
+ const uint64_t precision = 10;
+ char *metadata_string;
+ struct bt_ctf_writer *writer;
+ struct utsname name;
+ char hostname[HOST_NAME_MAX];
+ struct bt_ctf_clock *clock;
+ struct bt_ctf_stream_class *stream_class;
+ struct bt_ctf_stream *stream1;
+
+ if (argc < 3) {
+ printf("Usage: tests-ctf-writer path_to_ctf_parser_test path_to_babeltrace\n");
+ exit(-1);
+ }
+
+ plan_no_plan();
+
+ if (!mkdtemp(trace_path)) {
+ perror("# perror");
+ }
+
+ strcpy(metadata_path, trace_path);
+ strcat(metadata_path + sizeof(trace_path) - 1, "/metadata");
+
+ writer = bt_ctf_writer_create(trace_path);
+ ok(writer, "bt_ctf_create succeeds in creating trace with path");
+
+ /* Add environment context to the trace */
+ gethostname(hostname, HOST_NAME_MAX);
+ ok(bt_ctf_writer_add_environment_field(writer, "host", hostname) == 0,
+ "Add host (%s) environment field to writer instance",
+ hostname);
+ ok(bt_ctf_writer_add_environment_field(NULL, "test_field",
+ "test_value"),
+ "bt_ctf_writer_add_environment_field error with NULL writer");
+ ok(bt_ctf_writer_add_environment_field(writer, NULL,
+ "test_value"),
+ "bt_ctf_writer_add_environment_field error with NULL field name");
+ ok(bt_ctf_writer_add_environment_field(writer, "test_field",
+ NULL),
+ "bt_ctf_writer_add_environment_field error with NULL field value");
+
+ if (uname(&name)) {
+ perror("uname");
+ return -1;
+ }
+
+ ok(bt_ctf_writer_add_environment_field(writer, "sysname", name.sysname)
+ == 0, "Add sysname (%s) environment field to writer instance",
+ name.sysname);
+ ok(bt_ctf_writer_add_environment_field(writer, "nodename",
+ name.nodename) == 0,
+ "Add nodename (%s) environment field to writer instance",
+ name.nodename);
+ ok(bt_ctf_writer_add_environment_field(writer, "release", name.release)
+ == 0, "Add release (%s) environment field to writer instance",
+ name.release);
+ ok(bt_ctf_writer_add_environment_field(writer, "version", name.version)
+ == 0, "Add version (%s) environment field to writer instance",
+ name.version);
+ ok(bt_ctf_writer_add_environment_field(writer, "machine", name.machine)
+ == 0, "Add machine (%s) environment field to writer istance",
+ name.machine);
+
+ /* Define a clock and add it to the trace */
+ ok(bt_ctf_clock_create("signed") == NULL, "Illegal clock name rejected");
+ ok(bt_ctf_clock_create(NULL) == NULL, "NULL clock name rejected");
+ clock = bt_ctf_clock_create(clock_name);
+ ok(clock, "Clock created sucessfully");
+ bt_ctf_clock_set_description(clock, clock_description);
+
+ ok(bt_ctf_clock_set_frequency(clock, frequency) == 0,
+ "Set clock frequency");
+ ok(bt_ctf_clock_set_offset_s(clock, offset_s) == 0,
+ "Set clock offset (seconds)");
+ ok(bt_ctf_clock_set_offset(clock, offset) == 0, "Set clock offset");
+ ok(bt_ctf_clock_set_precision(clock, precision) == 0,
+ "Set clock precision");
+ ok(bt_ctf_clock_set_is_absolute(clock, 0xFF) == 0,
+ "Set clock absolute property");
+
+ ok(bt_ctf_writer_add_clock(writer, clock) == 0,
+ "Add clock to writer instance");
+ ok(bt_ctf_writer_add_clock(writer, clock),
+ "Verify a clock can't be added twice to a writer instance");
+
+ /* Define a stream class */
+ stream_class = bt_ctf_stream_class_create("test_stream");
+ ok(stream_class, "Create stream class");
+ ok(bt_ctf_stream_class_set_clock(stream_class, clock) == 0,
+ "Set a stream class' clock");
+
+ /* Test the event fields and event types APIs */
+ type_field_tests();
+
+ /* Instantiate a stream and append events */
+ stream1 = bt_ctf_writer_create_stream(writer, stream_class);
+ ok(stream1, "Instanciate a stream class from writer");
+
+ /* Should fail after instanciating a stream (locked)*/
+ ok(bt_ctf_stream_class_set_clock(stream_class, clock),
+ "Changes to a stream class that was already instantiated fail");
+
+ append_simple_event(stream_class, stream1, clock);
+
+ packet_resize_test(stream_class, stream1, clock);
+
+ append_complex_event(stream_class, stream1, clock);
+
+ metadata_string = bt_ctf_writer_get_metadata_string(writer);
+ ok(metadata_string, "Get metadata string");
+
+ bt_ctf_writer_flush_metadata(writer);
+ validate_metadata(argv[1], metadata_path);
+ validate_trace(argv[2], trace_path);
+
+ bt_ctf_clock_put(clock);
+ bt_ctf_stream_class_put(stream_class);
+ bt_ctf_writer_put(writer);
+ bt_ctf_stream_put(stream1);
+ free(metadata_string);
+
+ /* Remove all trace files and delete temporary trace directory */
+ DIR *trace_dir = opendir(trace_path);
+ if (!trace_dir) {
+ perror("# opendir");
+ return -1;
+ }
+
+ struct dirent *entry;
+ while ((entry = readdir(trace_dir))) {
+ if (entry->d_type == DT_REG) {
+ unlinkat(dirfd(trace_dir), entry->d_name, 0);
+ }
+ }
+
+ rmdir(trace_path);
+ closedir(trace_dir);
+
+ return 0;
+}
--- /dev/null
+#!/bin/sh
+#
+# Copyright (C) 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; only version 2
+# of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+CURDIR=$(dirname $0)/
+ROOTDIR=$CURDIR/../..
+
+$CURDIR/test_ctf_writer $ROOTDIR/formats/ctf/metadata/ctf-parser-test $ROOTDIR/converter/babeltrace
int ret;
uint64_t timestamp_begin;
uint64_t timestamp_seek_begin;
+ unsigned int nr_seek_begin_test;
+
+ nr_seek_begin_test = 5;
/* Open the trace */
ctx = create_context_with_path(path);
if (!ctx) {
- plan_skip_all("Cannot create valid context");
+ skip(nr_seek_begin_test, "Cannot create valid context");
+ return;
}
/* Create iterator with null begin and end */
iter = bt_ctf_iter_create(ctx, NULL, NULL);
if (!iter) {
- plan_skip_all("Cannot create valid iterator");
+ skip(nr_seek_begin_test, "Cannot create valid iterator");
+ return;
}
event = bt_ctf_iter_read_event(iter);
struct bt_iter_pos newpos;
int ret;
uint64_t timestamp_last;
+ unsigned int nr_seek_last_tests;
+
+ nr_seek_last_tests = 6;
/* Open the trace */
ctx = create_context_with_path(path);
if (!ctx) {
- plan_skip_all("Cannot create valid context");
+ skip(nr_seek_last_tests, "Cannot create valid context");
+ return;
}
/* Create iterator with null last and end */
iter = bt_ctf_iter_create(ctx, NULL, NULL);
if (!iter) {
- plan_skip_all("Cannot create valid iterator");
+ skip(nr_seek_last_tests, "Cannot create valid iterator");
+ return;
}
event = bt_ctf_iter_read_event(iter);
struct bt_iter_pos newpos;
int ret;
uint64_t timestamp_last;
+ unsigned int nr_seek_time_at_last_tests;
+
+ nr_seek_time_at_last_tests = 6;
/* Open the trace */
ctx = create_context_with_path(path);
if (!ctx) {
- plan_skip_all("Cannot create valid context");
+ skip(nr_seek_time_at_last_tests,
+ "Cannot create valid context");
+ return;
}
/* Create iterator with null last and end */
iter = bt_ctf_iter_create(ctx, NULL, NULL);
if (!iter) {
- plan_skip_all("Cannot create valid iterator");
+ skip(nr_seek_time_at_last_tests,
+ "Cannot create valid iterator");
+ return;
}
event = bt_ctf_iter_read_event(iter);
int ret;
uint64_t timestamp;
+ unsigned int nr_seek_cycles_tests;
+
+ nr_seek_cycles_tests = 12;
+
/* Open the trace */
ctx = create_context_with_path(path);
if (!ctx) {
- plan_skip_all("Cannot create valid context");
+ skip(nr_seek_cycles_tests, "Cannot create valid context");
+ return;
}
/* Create iterator with null last and end */
iter = bt_ctf_iter_create(ctx, NULL, NULL);
if (!iter) {
- plan_skip_all("Cannot create valid iterator");
+ skip(nr_seek_cycles_tests, "Cannot create valid iterator");
+ return;
}
event = bt_ctf_iter_read_event(iter);
babeltrace_debug = 0; /* libbabeltrace.la */
opt_clock_offset = 0; /* libbabeltrace-ctf.la */
- plan_tests(NR_TESTS);
-
if (argc < 4) {
plan_skip_all("Invalid arguments: need a trace path and the start and last timestamp");
plan_skip_all("Invalid value for last timestamp");
}
+ plan_tests(NR_TESTS);
+
run_seek_begin(path, expected_begin);
run_seek_time_at_last(path, expected_last);
run_seek_last(path, expected_last);
bin/test_trace_read
lib/test_bitfield
lib/test_seek_empty_packet
-lib/test_seek_big_trace
\ No newline at end of file
+lib/test_seek_big_trace
+lib/test_ctf_writer_complete
\ No newline at end of file
projects / babeltrace.git / commitdiff
