#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-writer/functor-internal.h>
#include <babeltrace/ctf-ir/event-types-internal.h>
+#include <babeltrace/ctf-ir/attributes-internal.h>
+#include <babeltrace/ctf-ir/visitor-internal.h>
#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ctf-ir/ref.h>
+#include <babeltrace/ctf-ir/common-internal.h>
#include <babeltrace/compiler.h>
+#include <babeltrace/values.h>
#define DEFAULT_IDENTIFIER_SIZE 128
#define DEFAULT_METADATA_STRING_SIZE 4096
static
-void environment_variable_destroy(struct environment_variable *var);
-static
-void bt_ctf_trace_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_trace_destroy(struct bt_ref *ref);
static
int init_trace_packet_header(struct bt_ctf_trace *trace);
+static
+int bt_ctf_trace_freeze(struct bt_ctf_trace *trace);
static
const unsigned int field_type_aliases_alignments[] = {
[FIELD_TYPE_ALIAS_UINT64_T] = 64,
};
+static
+void put_stream_class(struct bt_ctf_stream_class *stream_class)
+{
+ (void) bt_ctf_stream_class_set_trace(stream_class, NULL);
+ bt_ctf_stream_class_put(stream_class);
+}
+
struct bt_ctf_trace *bt_ctf_trace_create(void)
{
struct bt_ctf_trace *trace = NULL;
}
bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE);
- bt_ctf_ref_init(&trace->ref_count);
- trace->environment = g_ptr_array_new_with_free_func(
- (GDestroyNotify)environment_variable_destroy);
+ bt_ctf_base_init(trace, bt_ctf_trace_destroy);
trace->clocks = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_clock_put);
+ (GDestroyNotify) bt_ctf_clock_put);
trace->streams = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_stream_put);
+ (GDestroyNotify) bt_ctf_stream_put);
trace->stream_classes = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_stream_class_put);
- if (!trace->environment || !trace->clocks ||
- !trace->stream_classes || !trace->streams) {
+ (GDestroyNotify) put_stream_class);
+ if (!trace->clocks || !trace->stream_classes || !trace->streams) {
goto error_destroy;
}
goto error_destroy;
}
+ /* Create the environment array object */
+ trace->environment = bt_ctf_attributes_create();
+ if (!trace->environment) {
+ goto error_destroy;
+ }
+
return trace;
error_destroy:
- bt_ctf_trace_destroy(&trace->ref_count);
+ bt_ctf_trace_destroy(&trace->base.ref_count);
trace = NULL;
error:
return trace;
}
-void bt_ctf_trace_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_trace_destroy(struct bt_ref *ref)
{
struct bt_ctf_trace *trace;
+ struct bt_ctf_base *base;
if (!ref) {
return;
}
- trace = container_of(ref, struct bt_ctf_trace, ref_count);
+ base = container_of(ref, struct bt_ctf_base, ref_count);
+ trace = container_of(base, struct bt_ctf_trace, base);
if (trace->environment) {
- g_ptr_array_free(trace->environment, TRUE);
+ bt_ctf_attributes_destroy(trace->environment);
}
if (trace->clocks) {
goto error;
}
- ret = bt_ctf_stream_class_set_byte_order(stream_class,
- trace->byte_order == LITTLE_ENDIAN ?
- BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
- if (ret) {
- goto error;
- }
-
- stream = bt_ctf_stream_create(stream_class, trace);
- if (!stream) {
- goto error;
- }
-
for (i = 0; i < trace->stream_classes->len; i++) {
if (trace->stream_classes->pdata[i] == stream_class) {
stream_class_found = 1;
}
if (!stream_class_found) {
- int64_t stream_id = bt_ctf_stream_class_get_id(stream_class);
-
- if (stream_id < 0) {
- /* Try to assign a new stream id */
- if (bt_ctf_stream_class_set_id(stream->stream_class,
- trace->next_stream_id++)) {
- goto error;
- }
+ ret = bt_ctf_trace_add_stream_class(trace, stream_class);
+ if (ret) {
+ goto error;
}
+ }
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (stream_id == bt_ctf_stream_class_get_id(
- trace->stream_classes->pdata[i])) {
- /* Duplicate stream id found */
- goto error;
- }
- }
- bt_ctf_stream_class_get(stream->stream_class);
- g_ptr_array_add(trace->stream_classes, stream->stream_class);
+ stream = bt_ctf_stream_create(stream_class, trace);
+ if (!stream) {
+ goto error;
}
bt_ctf_stream_get(stream);
g_ptr_array_add(trace->streams, stream);
- bt_ctf_stream_class_freeze(stream_class);
- trace->frozen = 1;
- return stream;
+ return stream;
error:
bt_ctf_stream_put(stream);
return NULL;
}
-int bt_ctf_trace_add_environment_field(struct bt_ctf_trace *trace,
- const char *name,
- const char *value)
+int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
+ const char *name, struct bt_value *value)
{
- struct environment_variable *var = NULL;
- char *escaped_value = NULL;
int ret = 0;
- if (!trace || !name || !value || bt_ctf_validate_identifier(name)) {
+ if (!trace || !name || !value ||
+ bt_ctf_validate_identifier(name) ||
+ !(bt_value_is_integer(value) || bt_value_is_string(value))) {
ret = -1;
- goto error;
+ goto end;
}
if (strchr(name, ' ')) {
ret = -1;
- goto error;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ /*
+ * New environment fields may be added to a frozen trace,
+ * but existing fields may not be changed.
+ *
+ * The object passed is frozen like all other attributes.
+ */
+ struct bt_value *attribute =
+ bt_ctf_attributes_get_field_value_by_name(
+ trace->environment, name);
+
+ if (attribute) {
+ BT_VALUE_PUT(attribute);
+ ret = -1;
+ goto end;
+ }
+
+ bt_value_freeze(value);
}
- var = g_new0(struct environment_variable, 1);
- if (!var) {
+ ret = bt_ctf_attributes_set_field_value(trace->environment, name,
+ value);
+
+end:
+ return ret;
+}
+
+int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace,
+ const char *name, const char *value)
+{
+ int ret = 0;
+ struct bt_value *env_value_string_obj = NULL;
+
+ if (!trace || !name || !value) {
ret = -1;
- goto error;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ /*
+ * New environment fields may be added to a frozen trace,
+ * but existing fields may not be changed.
+ */
+ struct bt_value *attribute =
+ bt_ctf_attributes_get_field_value_by_name(
+ trace->environment, name);
+
+ if (attribute) {
+ BT_VALUE_PUT(attribute);
+ ret = -1;
+ goto end;
+ }
}
- escaped_value = g_strescape(value, NULL);
- if (!escaped_value) {
+ env_value_string_obj = bt_value_string_create_init(value);
+
+ if (!env_value_string_obj) {
ret = -1;
- goto error;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ bt_value_freeze(env_value_string_obj);
}
+ ret = bt_ctf_trace_set_environment_field(trace, name,
+ env_value_string_obj);
+
+end:
+ BT_VALUE_PUT(env_value_string_obj);
+
+ return ret;
+}
- var->name = g_string_new(name);
- var->value = g_string_new(escaped_value);
- g_free(escaped_value);
- if (!var->name || !var->value) {
+int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace,
+ const char *name, int64_t value)
+{
+ int ret = 0;
+ struct bt_value *env_value_integer_obj = NULL;
+
+ if (!trace || !name) {
ret = -1;
- goto error;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ /*
+ * New environment fields may be added to a frozen trace,
+ * but existing fields may not be changed.
+ */
+ struct bt_value *attribute =
+ bt_ctf_attributes_get_field_value_by_name(
+ trace->environment, name);
+
+ if (attribute) {
+ BT_VALUE_PUT(attribute);
+ ret = -1;
+ goto end;
+ }
}
- g_ptr_array_add(trace->environment, var);
+ env_value_integer_obj = bt_value_integer_create_init(value);
+ if (!env_value_integer_obj) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_trace_set_environment_field(trace, name,
+ env_value_integer_obj);
+ if (trace->frozen) {
+ bt_value_freeze(env_value_integer_obj);
+ }
+end:
+ BT_VALUE_PUT(env_value_integer_obj);
+
return ret;
+}
-error:
- if (var && var->name) {
- g_string_free(var->name, TRUE);
+int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace)
+{
+ int ret = 0;
+
+ if (!trace) {
+ ret = -1;
+ goto end;
}
- if (var && var->value) {
- g_string_free(var->value, TRUE);
+ ret = bt_ctf_attributes_get_count(trace->environment);
+
+end:
+ return ret;
+}
+
+const char *
+bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace,
+ int index)
+{
+ const char *ret = NULL;
+
+ if (!trace) {
+ goto end;
}
- g_free(var);
+ ret = bt_ctf_attributes_get_field_name(trace->environment, index);
+
+end:
+ return ret;
+}
+
+struct bt_value *bt_ctf_trace_get_environment_field_value(
+ struct bt_ctf_trace *trace, int index)
+{
+ struct bt_value *ret = NULL;
+
+ if (!trace) {
+ goto end;
+ }
+
+ ret = bt_ctf_attributes_get_field_value(trace->environment, index);
+
+end:
+ return ret;
+}
+
+struct bt_value *bt_ctf_trace_get_environment_field_value_by_name(
+ struct bt_ctf_trace *trace, const char *name)
+{
+ struct bt_value *ret = NULL;
+
+ if (!trace || !name) {
+ goto end;
+ }
+
+ ret = bt_ctf_attributes_get_field_value_by_name(trace->environment,
+ name);
+
+end:
return ret;
}
return clock;
}
+int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
+ struct bt_ctf_stream_class *stream_class)
+{
+ int ret, i;
+ int64_t stream_id;
+
+ if (!trace || !stream_class) {
+ ret = -1;
+ goto end;
+ }
+
+ for (i = 0; i < trace->stream_classes->len; i++) {
+ if (trace->stream_classes->pdata[i] == stream_class) {
+ /* Stream already registered to the trace */
+ ret = -1;
+ goto end;
+ }
+ }
+
+ ret = bt_ctf_stream_class_resolve_types(stream_class, trace);
+ if (ret) {
+ goto end;
+ }
+
+ stream_id = bt_ctf_stream_class_get_id(stream_class);
+ if (stream_id < 0) {
+ stream_id = trace->next_stream_id++;
+
+ /* Try to assign a new stream id */
+ for (i = 0; i < trace->stream_classes->len; i++) {
+ if (stream_id == bt_ctf_stream_class_get_id(
+ trace->stream_classes->pdata[i])) {
+ /* Duplicate stream id found */
+ ret = -1;
+ goto end;
+ }
+ }
+
+ if (bt_ctf_stream_class_set_id_no_check(stream_class,
+ stream_id)) {
+ /* TODO Should retry with a different stream id */
+ ret = -1;
+ goto end;
+ }
+ }
+
+ /* Set weak reference to trace in stream class */
+ ret = bt_ctf_stream_class_set_trace(stream_class, trace);
+ if (ret) {
+ /* Stream class already part of another trace */
+ goto end;
+ }
+
+ bt_ctf_stream_class_get(stream_class);
+ g_ptr_array_add(trace->stream_classes, stream_class);
+
+ /*
+ * Freeze the trace and its packet header.
+ *
+ * All field type byte orders set as "native" byte ordering can now be
+ * safely set to trace's own endianness, including the stream class'.
+ */
+ bt_ctf_field_type_set_native_byte_order(trace->packet_header_type,
+ trace->byte_order);
+ ret = bt_ctf_stream_class_set_byte_order(stream_class,
+ trace->byte_order == LITTLE_ENDIAN ?
+ BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
+ if (ret) {
+ goto end;
+ }
+
+ bt_ctf_stream_class_freeze(stream_class);
+ if (!trace->frozen) {
+ ret = bt_ctf_trace_freeze(trace);
+ goto end;
+ }
+end:
+ if (ret) {
+ (void) bt_ctf_stream_class_set_trace(stream_class, NULL);
+ }
+ return ret;
+}
+
+int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace)
+{
+ int ret;
+
+ if (!trace) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = trace->stream_classes->len;
+end:
+ return ret;
+}
+
+struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class(
+ struct bt_ctf_trace *trace, int index)
+{
+ struct bt_ctf_stream_class *stream_class = NULL;
+
+ if (!trace || index < 0 || index >= trace->stream_classes->len) {
+ goto end;
+ }
+
+ stream_class = g_ptr_array_index(trace->stream_classes, index);
+ bt_ctf_stream_class_get(stream_class);
+end:
+ return stream_class;
+}
+
+struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
+ struct bt_ctf_trace *trace, uint32_t id)
+{
+ int i;
+ struct bt_ctf_stream_class *stream_class = NULL;
+
+ if (!trace) {
+ goto end;
+ }
+
+ for (i = 0; i < trace->stream_classes->len; ++i) {
+ struct bt_ctf_stream_class *stream_class_candidate;
+
+ stream_class_candidate =
+ g_ptr_array_index(trace->stream_classes, i);
+
+ if (bt_ctf_stream_class_get_id(stream_class_candidate) ==
+ (int64_t) id) {
+ stream_class = stream_class_candidate;
+ bt_ctf_get(stream_class);
+ goto end;
+ }
+ }
+
+end:
+ return stream_class;
+}
+
+struct bt_ctf_clock *bt_ctf_trace_get_clock_by_name(
+ struct bt_ctf_trace *trace, const char *name)
+{
+ size_t i;
+ struct bt_ctf_clock *clock = NULL;
+
+ if (!trace || !name) {
+ goto end;
+ }
+
+ for (i = 0; i < trace->clocks->len; ++i) {
+ struct bt_ctf_clock *cur_clk =
+ g_ptr_array_index(trace->clocks, i);
+ const char *cur_clk_name = bt_ctf_clock_get_name(cur_clk);
+
+ if (!cur_clk_name) {
+ goto end;
+ }
+
+ if (!strcmp(cur_clk_name, name)) {
+ clock = cur_clk;
+ bt_ctf_clock_get(clock);
+ goto end;
+ }
+ }
+
+end:
+ return clock;
+}
+
BT_HIDDEN
const char *get_byte_order_string(int byte_order)
{
return ret;
}
-static
-void append_env_field_metadata(struct environment_variable *var,
- struct metadata_context *context)
-{
- g_string_append_printf(context->string, "\t%s = \"%s\";\n",
- var->name->str, var->value->str);
-}
-
static
void append_env_metadata(struct bt_ctf_trace *trace,
struct metadata_context *context)
{
- if (trace->environment->len == 0) {
+ int i;
+ int env_size;
+
+ env_size = bt_ctf_attributes_get_count(trace->environment);
+
+ if (env_size <= 0) {
return;
}
g_string_append(context->string, "env {\n");
- g_ptr_array_foreach(trace->environment,
- (GFunc)append_env_field_metadata, context);
+
+ for (i = 0; i < env_size; ++i) {
+ struct bt_value *env_field_value_obj = NULL;
+ const char *entry_name;
+
+ entry_name = bt_ctf_attributes_get_field_name(
+ trace->environment, i);
+ env_field_value_obj = bt_ctf_attributes_get_field_value(
+ trace->environment, i);
+
+ if (!entry_name || !env_field_value_obj) {
+ goto loop_next;
+ }
+
+ switch (bt_value_get_type(env_field_value_obj)) {
+ case BT_VALUE_TYPE_INTEGER:
+ {
+ int ret;
+ int64_t int_value;
+
+ ret = bt_value_integer_get(env_field_value_obj,
+ &int_value);
+
+ if (ret) {
+ goto loop_next;
+ }
+
+ g_string_append_printf(context->string,
+ "\t%s = %" PRId64 ";\n", entry_name,
+ int_value);
+ break;
+ }
+ case BT_VALUE_TYPE_STRING:
+ {
+ int ret;
+ const char *str_value;
+ char *escaped_str = NULL;
+
+ ret = bt_value_string_get(env_field_value_obj,
+ &str_value);
+
+ if (ret) {
+ goto loop_next;
+ }
+
+ escaped_str = g_strescape(str_value, NULL);
+
+ if (!escaped_str) {
+ goto loop_next;
+ }
+
+ g_string_append_printf(context->string,
+ "\t%s = \"%s\";\n", entry_name, escaped_str);
+ free(escaped_str);
+ break;
+ }
+
+ default:
+ goto loop_next;
+ }
+
+loop_next:
+ BT_VALUE_PUT(env_field_value_obj);
+ }
+
g_string_append(context->string, "};\n\n");
}
return metadata;
}
+enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace)
+{
+ enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
+
+ if (!trace) {
+ goto end;
+ }
+
+ switch (trace->byte_order) {
+ case BIG_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN;
+ break;
+ case LITTLE_ENDIAN:
+ ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN;
+ break;
+ default:
+ break;
+ }
+end:
+ return ret;
+}
+
int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace,
enum bt_ctf_byte_order byte_order)
{
switch (byte_order) {
case BT_CTF_BYTE_ORDER_NATIVE:
- internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ?
+ /*
+ * This doesn't make sense since the CTF specification defines
+ * the "native" byte order as "the byte order described in the
+ * trace description". However, this behavior had been
+ * implemented as part of v1.2 and is kept to maintain
+ * compatibility.
+ *
+ * This may be changed on a major version bump only.
+ */
+ internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ?
LITTLE_ENDIAN : BIG_ENDIAN;
break;
case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN:
}
trace->byte_order = internal_byte_order;
- if (trace->packet_header_type) {
- init_trace_packet_header(trace);
- }
end:
return ret;
}
void bt_ctf_trace_get(struct bt_ctf_trace *trace)
{
- if (!trace) {
- return;
- }
-
- bt_ctf_ref_get(&trace->ref_count);
+ bt_ctf_get(trace);
}
void bt_ctf_trace_put(struct bt_ctf_trace *trace)
{
- if (!trace) {
- return;
- }
+ bt_ctf_put(trace);
- bt_ctf_ref_put(&trace->ref_count, bt_ctf_trace_destroy);
}
BT_HIDDEN
struct bt_ctf_field_type *get_field_type(enum field_type_alias alias)
{
unsigned int alignment, size;
- struct bt_ctf_field_type *field_type;
+ struct bt_ctf_field_type *field_type = NULL;
if (alias >= NR_FIELD_TYPE_ALIAS) {
- return NULL;
+ goto end;
}
alignment = field_type_aliases_alignments[alias];
size = field_type_aliases_sizes[alias];
field_type = bt_ctf_field_type_integer_create(size);
bt_ctf_field_type_set_alignment(field_type, alignment);
+end:
return field_type;
}
+static
+int bt_ctf_trace_freeze(struct bt_ctf_trace *trace)
+{
+ int ret = 0;
+
+ ret = bt_ctf_trace_resolve_types(trace);
+ if (ret) {
+ goto end;
+ }
+
+ bt_ctf_attributes_freeze(trace->environment);
+ trace->frozen = 1;
+end:
+ return ret;
+}
+
static
int init_trace_packet_header(struct bt_ctf_trace *trace)
{
goto end;
}
- ret = bt_ctf_field_type_set_byte_order(_uint32_t,
- (trace->byte_order == LITTLE_ENDIAN ?
- BT_CTF_BYTE_ORDER_LITTLE_ENDIAN :
- BT_CTF_BYTE_ORDER_BIG_ENDIAN));
- if (ret) {
- goto end;
- }
-
ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
_uint32_t, "magic");
if (ret) {
goto end;
}
- bt_ctf_field_type_put(trace->packet_header_type);
- trace->packet_header_type = trace_packet_header_type;
+ ret = bt_ctf_trace_set_packet_header_type(trace,
+ trace_packet_header_type);
+ if (ret) {
+ goto end;
+ }
end:
bt_ctf_field_type_put(uuid_array_type);
bt_ctf_field_type_put(_uint32_t);
bt_ctf_field_type_put(_uint8_t);
bt_ctf_field_put(magic);
bt_ctf_field_put(uuid_array);
- if (ret) {
- bt_ctf_field_type_put(trace_packet_header_type);
- }
+ bt_ctf_field_type_put(trace_packet_header_type);
return ret;
}
-
-static
-void environment_variable_destroy(struct environment_variable *var)
-{
- g_string_free(var->name, TRUE);
- g_string_free(var->value, TRUE);
- g_free(var);
-}
projects / babeltrace.git / blobdiff