formats/lttng-live/Makefile
formats/ctf/metadata/Makefile
formats/ctf/writer/Makefile
+ formats/ctf/ir/Makefile
converter/Makefile
doc/Makefile
lib/Makefile
AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
-SUBDIRS = types metadata writer .
+SUBDIRS = types metadata writer ir .
lib_LTLIBRARIES = libbabeltrace-ctf.la
types/libctf-types.la \
metadata/libctf-parser.la \
metadata/libctf-ast.la \
- writer/libctf-writer.la
+ writer/libctf-writer.la \
+ ir/libctf-ir.la
--- /dev/null
+AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
+
+noinst_LTLIBRARIES = libctf-ir.la
+
+libctf_ir_la_SOURCES = \
+ clock.c \
+ event.c \
+ event-fields.c \
+ event-types.c \
+ stream-class.c
+
+libctf_ir_la_LIBADD = \
+ $(top_builddir)/lib/libbabeltrace.la
+
+if BABELTRACE_BUILD_WITH_LIBUUID
+libctf_ir_la_LIBADD += -luuid
+endif
+if BABELTRACE_BUILD_WITH_LIBC_UUID
+libctf_ir_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-ir/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-ir/event-fields-internal.h>
+#include <babeltrace/ctf-ir/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 ||
+ bt_ctf_field_type_validate(type)) {
+ 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_sized_new((size_t)sequence_length);
+ if (!sequence->elements) {
+ ret = -1;
+ goto end;
+ }
+
+ g_ptr_array_set_free_func(sequence->elements,
+ (GDestroyNotify)bt_ctf_field_put);
+ 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_sized_new(array_length);
+ if (!array->elements) {
+ goto error;
+ }
+
+ g_ptr_array_set_free_func(array->elements,
+ (GDestroyNotify)bt_ctf_field_put);
+ 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) ? 0 : -1;
+}
+
+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))) {
+ ret = increase_packet_size(pos);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ if (!ctf_align_pos(pos, field->type->declaration->alignment)) {
+ ret = -1;
+ goto end;
+ }
+
+ 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;
+ }
+ }
+end:
+ 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-ir/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>
+#include <stdlib.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_lookup_extended(field_name_to_index,
+ GUINT_TO_POINTER(name_quark), NULL, NULL)) {
+ 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;
+}
+
+BT_HIDDEN
+int bt_ctf_field_type_validate(struct bt_ctf_field_type *type)
+{
+ int ret = 0;
+
+ if (!type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type->declaration->id == CTF_TYPE_ENUM) {
+ struct bt_ctf_field_type_enumeration *enumeration =
+ container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ ret = enumeration->entries->len ? 0 : -1;
+ }
+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;
+ char *escaped_string;
+
+ if (!type || (type->declaration->id != CTF_TYPE_ENUM) ||
+ type->frozen ||
+ (range_end < range_start)) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!string || strlen(string) == 0) {
+ ret = -1;
+ goto end;
+ }
+
+ escaped_string = g_strescape(string, NULL);
+ if (!escaped_string) {
+ ret = -1;
+ goto end;
+ }
+
+ mapping_name = g_quark_from_string(escaped_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 error_free;
+ }
+
+ mapping = g_new(struct enumeration_mapping, 1);
+ if (!mapping) {
+ ret = -1;
+ goto error_free;
+ }
+
+ *mapping = (struct enumeration_mapping) {.range_start = range_start,
+ .range_end = range_end, .string = mapping_name};
+ g_ptr_array_add(enumeration->entries, mapping);
+error_free:
+ free(escaped_string);
+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) ||
+ bt_ctf_field_type_validate(field_type)) {
+ 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) ||
+ bt_ctf_field_type_validate(field_type)) {
+ 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 ||
+ bt_ctf_field_type_validate(element_type)) {
+ 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) ||
+ bt_ctf_field_type_validate(element_type)) {
+ 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;
+ struct bt_ctf_field_type_enumeration *enumeration = container_of(type,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ ret = bt_ctf_field_type_validate(type);
+ if (ret) {
+ goto end;
+ }
+
+ 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-ir/event-fields-internal.h>
+#include <babeltrace/ctf-ir/event-types-internal.h>
+#include <babeltrace/ctf-ir/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
+/*
+ * 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-ir/clock-internal.h>
+#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-ir/event-internal.h>
+#include <babeltrace/ctf-ir/event-types-internal.h>
+#include <babeltrace/ctf-ir/event-fields-internal.h>
+#include <babeltrace/ctf-writer/stream.h>
+#include <babeltrace/ctf-ir/stream-class-internal.h>
+#include <babeltrace/ctf-writer/functor-internal.h>
+#include <babeltrace/compiler.h>
+#include <babeltrace/align.h>
+
+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);
+
+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;
+}
+
+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;
+}
libctf_writer_la_SOURCES = \
writer.c \
- clock.c \
stream.c \
- event-types.c \
- event-fields.c \
- event.c \
functor.c
libctf_writer_la_LIBADD = \
+++ /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-ir/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-ir/event-fields-internal.h>
-#include <babeltrace/ctf-ir/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 ||
- bt_ctf_field_type_validate(type)) {
- 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_sized_new((size_t)sequence_length);
- if (!sequence->elements) {
- ret = -1;
- goto end;
- }
-
- g_ptr_array_set_free_func(sequence->elements,
- (GDestroyNotify)bt_ctf_field_put);
- 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_sized_new(array_length);
- if (!array->elements) {
- goto error;
- }
-
- g_ptr_array_set_free_func(array->elements,
- (GDestroyNotify)bt_ctf_field_put);
- 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) ? 0 : -1;
-}
-
-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))) {
- ret = increase_packet_size(pos);
- if (ret) {
- goto end;
- }
- }
-
- if (!ctf_align_pos(pos, field->type->declaration->alignment)) {
- ret = -1;
- goto end;
- }
-
- 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;
- }
- }
-end:
- 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-ir/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>
-#include <stdlib.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_lookup_extended(field_name_to_index,
- GUINT_TO_POINTER(name_quark), NULL, NULL)) {
- 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;
-}
-
-BT_HIDDEN
-int bt_ctf_field_type_validate(struct bt_ctf_field_type *type)
-{
- int ret = 0;
-
- if (!type) {
- ret = -1;
- goto end;
- }
-
- if (type->declaration->id == CTF_TYPE_ENUM) {
- struct bt_ctf_field_type_enumeration *enumeration =
- container_of(type, struct bt_ctf_field_type_enumeration,
- parent);
-
- ret = enumeration->entries->len ? 0 : -1;
- }
-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;
- char *escaped_string;
-
- if (!type || (type->declaration->id != CTF_TYPE_ENUM) ||
- type->frozen ||
- (range_end < range_start)) {
- ret = -1;
- goto end;
- }
-
- if (!string || strlen(string) == 0) {
- ret = -1;
- goto end;
- }
-
- escaped_string = g_strescape(string, NULL);
- if (!escaped_string) {
- ret = -1;
- goto end;
- }
-
- mapping_name = g_quark_from_string(escaped_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 error_free;
- }
-
- mapping = g_new(struct enumeration_mapping, 1);
- if (!mapping) {
- ret = -1;
- goto error_free;
- }
-
- *mapping = (struct enumeration_mapping) {.range_start = range_start,
- .range_end = range_end, .string = mapping_name};
- g_ptr_array_add(enumeration->entries, mapping);
-error_free:
- free(escaped_string);
-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) ||
- bt_ctf_field_type_validate(field_type)) {
- 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) ||
- bt_ctf_field_type_validate(field_type)) {
- 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 ||
- bt_ctf_field_type_validate(element_type)) {
- 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) ||
- bt_ctf_field_type_validate(element_type)) {
- 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;
- struct bt_ctf_field_type_enumeration *enumeration = container_of(type,
- struct bt_ctf_field_type_enumeration, parent);
-
- ret = bt_ctf_field_type_validate(type);
- if (ret) {
- goto end;
- }
-
- 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-ir/event-fields-internal.h>
-#include <babeltrace/ctf-ir/event-types-internal.h>
-#include <babeltrace/ctf-ir/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;
-}
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)
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)
projects / babeltrace.git / commitdiff
