#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/objects.h>
+#include <babeltrace/values.h>
#define DEFAULT_IDENTIFIER_SIZE 128
#define DEFAULT_METADATA_STRING_SIZE 4096
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);
+ 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);
+ (GDestroyNotify) put_stream_class);
if (!trace->clocks || !trace->stream_classes || !trace->streams) {
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) {
bt_ctf_attributes_destroy(trace->environment);
}
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;
}
}
+ stream = bt_ctf_stream_create(stream_class, trace);
+ if (!stream) {
+ goto error;
+ }
+
bt_ctf_stream_get(stream);
g_ptr_array_add(trace->streams, stream);
}
int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace,
- const char *name, struct bt_object *value)
+ const char *name, struct bt_value *value)
{
int ret = 0;
- if (!trace || trace->frozen || !name || !value ||
+ if (!trace || !name || !value ||
bt_ctf_validate_identifier(name) ||
- !(bt_object_is_integer(value) || bt_object_is_string(value))) {
+ !(bt_value_is_integer(value) || bt_value_is_string(value))) {
ret = -1;
goto end;
}
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);
+ }
+
ret = bt_ctf_attributes_set_field_value(trace->environment, name,
value);
const char *name, const char *value)
{
int ret = 0;
- struct bt_object *env_value_string_obj = NULL;
+ struct bt_value *env_value_string_obj = NULL;
if (!trace || !name || !value) {
ret = -1;
goto end;
}
- env_value_string_obj = bt_object_string_create_init(value);
+ 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;
+ }
+ }
+
+ env_value_string_obj = bt_value_string_create_init(value);
if (!env_value_string_obj) {
ret = -1;
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_OBJECT_PUT(env_value_string_obj);
+ BT_VALUE_PUT(env_value_string_obj);
return ret;
}
const char *name, int64_t value)
{
int ret = 0;
- struct bt_object *env_value_integer_obj = NULL;
+ struct bt_value *env_value_integer_obj = NULL;
if (!trace || !name) {
ret = -1;
goto end;
}
- env_value_integer_obj = bt_object_integer_create_init(value);
+ 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;
+ }
+ }
+
+ 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_OBJECT_PUT(env_value_integer_obj);
+ BT_VALUE_PUT(env_value_integer_obj);
return ret;
}
return ret;
}
-struct bt_object *bt_ctf_trace_get_environment_field_value(
+struct bt_value *bt_ctf_trace_get_environment_field_value(
struct bt_ctf_trace *trace, int index)
{
- struct bt_object *ret = NULL;
+ struct bt_value *ret = NULL;
if (!trace) {
goto end;
return ret;
}
-struct bt_object *bt_ctf_trace_get_environment_field_value_by_name(
+struct bt_value *bt_ctf_trace_get_environment_field_value_by_name(
struct bt_ctf_trace *trace, const char *name)
{
- struct bt_object *ret = NULL;
+ struct bt_value *ret = NULL;
if (!trace || !name) {
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++;
}
}
- if (_bt_ctf_stream_class_set_id(stream_class,
+ if (bt_ctf_stream_class_set_id_no_check(stream_class,
stream_id)) {
/* TODO Should retry with a different stream id */
ret = -1;
}
}
+ /* 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);
if (ret) {
goto end;
}
- bt_ctf_stream_class_freeze(stream_class);
- trace->frozen = 1;
- bt_ctf_attributes_freeze(trace->environment);
+ 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;
}
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)
{
g_string_append(context->string, "env {\n");
for (i = 0; i < env_size; ++i) {
- struct bt_object *env_field_value_obj = NULL;
+ struct bt_value *env_field_value_obj = NULL;
const char *entry_name;
entry_name = bt_ctf_attributes_get_field_name(
goto loop_next;
}
- switch (bt_object_get_type(env_field_value_obj)) {
- case BT_OBJECT_TYPE_INTEGER:
+ switch (bt_value_get_type(env_field_value_obj)) {
+ case BT_VALUE_TYPE_INTEGER:
{
int ret;
int64_t int_value;
- ret = bt_object_integer_get(env_field_value_obj,
+ ret = bt_value_integer_get(env_field_value_obj,
&int_value);
if (ret) {
int_value);
break;
}
- case BT_OBJECT_TYPE_STRING:
+ case BT_VALUE_TYPE_STRING:
{
int ret;
const char *str_value;
char *escaped_str = NULL;
- ret = bt_object_string_get(env_field_value_obj,
+ ret = bt_value_string_get(env_field_value_obj,
&str_value);
if (ret) {
}
loop_next:
- BT_OBJECT_PUT(env_field_value_obj);
+ BT_VALUE_PUT(env_field_value_obj);
}
g_string_append(context->string, "};\n\n");
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)
{