* SOFTWARE.
*/
+#define BT_LOG_TAG "TRACE"
+#include <babeltrace/lib-logging-internal.h>
+
#include <babeltrace/ctf-ir/trace-internal.h>
#include <babeltrace/ctf-ir/clock-class-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/utils.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/values.h>
+#include <babeltrace/values-internal.h>
#include <babeltrace/ref.h>
+#include <babeltrace/types.h>
#include <babeltrace/endian-internal.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
+#include <stdlib.h>
#define DEFAULT_IDENTIFIER_SIZE 128
#define DEFAULT_METADATA_STRING_SIZE 4096
void *data;
};
+struct bt_ctf_trace_is_static_listener_elem {
+ bt_ctf_trace_is_static_listener func;
+ void *data;
+};
+
static
void bt_ctf_trace_destroy(struct bt_object *obj);
static
-int init_trace_packet_header(struct bt_ctf_trace *trace);
-static
void bt_ctf_trace_freeze(struct bt_ctf_trace *trace);
static
struct bt_ctf_trace *bt_ctf_trace_create(void)
{
struct bt_ctf_trace *trace = NULL;
+ struct bt_ctf_field_type *packet_header_type = NULL;
trace = g_new0(struct bt_ctf_trace, 1);
if (!trace) {
+ BT_LOGE_STR("Failed to allocate one trace.");
goto error;
}
+ BT_LOGD_STR("Creating trace object.");
trace->native_byte_order = BT_CTF_BYTE_ORDER_NATIVE;
bt_object_init(trace, bt_ctf_trace_destroy);
trace->clocks = g_ptr_array_new_with_free_func(
(GDestroyNotify) bt_put);
+ if (!trace->clocks) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
trace->streams = g_ptr_array_new_with_free_func(
(GDestroyNotify) bt_object_release);
+ if (!trace->streams) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
trace->stream_classes = g_ptr_array_new_with_free_func(
(GDestroyNotify) bt_object_release);
- if (!trace->clocks || !trace->stream_classes || !trace->streams) {
+ if (!trace->stream_classes) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
goto error;
}
- if (init_trace_packet_header(trace)) {
+ packet_header_type = bt_ctf_field_type_structure_create();
+ if (!packet_header_type) {
goto error;
}
+ BT_MOVE(trace->packet_header_type, packet_header_type);
+
/* Create the environment array object */
trace->environment = bt_ctf_attributes_create();
if (!trace->environment) {
+ BT_LOGE_STR("Cannot create empty attributes object.");
goto error;
}
trace->listeners = g_ptr_array_new_with_free_func(
(GDestroyNotify) g_free);
if (!trace->listeners) {
+ BT_LOGE_STR("Failed to allocate one GPtrArray.");
goto error;
}
+ trace->is_static_listeners = g_array_new(FALSE, TRUE,
+ sizeof(struct bt_ctf_trace_is_static_listener_elem));
+ if (!trace->is_static_listeners) {
+ BT_LOGE_STR("Failed to allocate one GArray.");
+ goto error;
+ }
+
+ BT_LOGD("Created trace object: addr=%p", trace);
return trace;
error:
BT_PUT(trace);
+ bt_put(packet_header_type);
return trace;
}
{
const char *name = NULL;
- if (!trace || !trace->name) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (!trace->name) {
goto end;
}
{
int ret = 0;
- if (!trace || !name || trace->frozen) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!name) {
+ BT_LOGW_STR("Invalid parameter: name is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ BT_LOGW("Invalid parameter: trace is frozen: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
trace->name = trace->name ? g_string_assign(trace->name, name) :
g_string_new(name);
if (!trace->name) {
+ BT_LOGE_STR("Failed to allocate one GString.");
ret = -1;
goto end;
}
+
+ BT_LOGV("Set trace's name: addr=%p, name=\"%s\"", trace, name);
+
end:
return ret;
}
{
int ret = 0;
- if (!trace || !uuid || trace->frozen) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!uuid) {
+ BT_LOGW_STR("Invalid parameter: UUID is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ BT_LOGW("Invalid parameter: trace is frozen: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
memcpy(trace->uuid, uuid, sizeof(uuid_t));
- trace->uuid_set = true;
+ trace->uuid_set = BT_TRUE;
+ BT_LOGV("Set trace's UUID: addr=%p, name=\"%s\", "
+ "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
+ trace, bt_ctf_trace_get_name(trace),
+ (unsigned int) uuid[0],
+ (unsigned int) uuid[1],
+ (unsigned int) uuid[2],
+ (unsigned int) uuid[3],
+ (unsigned int) uuid[4],
+ (unsigned int) uuid[5],
+ (unsigned int) uuid[6],
+ (unsigned int) uuid[7],
+ (unsigned int) uuid[8],
+ (unsigned int) uuid[9],
+ (unsigned int) uuid[10],
+ (unsigned int) uuid[11],
+ (unsigned int) uuid[12],
+ (unsigned int) uuid[13],
+ (unsigned int) uuid[14],
+ (unsigned int) uuid[15]);
end:
return ret;
struct bt_ctf_trace *trace;
trace = container_of(obj, struct bt_ctf_trace, base);
+
+ BT_LOGD("Destroying trace object: addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
+
if (trace->environment) {
+ BT_LOGD_STR("Destroying environment attributes.");
bt_ctf_attributes_destroy(trace->environment);
}
}
if (trace->clocks) {
+ BT_LOGD_STR("Putting clock classes.");
g_ptr_array_free(trace->clocks, TRUE);
}
if (trace->streams) {
+ BT_LOGD_STR("Destroying streams.");
g_ptr_array_free(trace->streams, TRUE);
}
if (trace->stream_classes) {
+ BT_LOGD_STR("Destroying stream classes.");
g_ptr_array_free(trace->stream_classes, TRUE);
}
g_ptr_array_free(trace->listeners, TRUE);
}
+ if (trace->is_static_listeners) {
+ g_array_free(trace->is_static_listeners, TRUE);
+ }
+
+ BT_LOGD_STR("Putting packet header field type.");
bt_put(trace->packet_header_type);
g_free(trace);
}
{
int ret = 0;
- if (!trace || !name || !value ||
- bt_ctf_validate_identifier(name) ||
- !(bt_value_is_integer(value) || bt_value_is_string(value))) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!name) {
+ BT_LOGW_STR("Invalid parameter: name is NULL.");
ret = -1;
goto end;
}
- if (strchr(name, ' ')) {
+ if (!value) {
+ BT_LOGW_STR("Invalid parameter: value is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_validate_identifier(name)) {
+ BT_LOGW("Invalid parameter: environment field's name is not a valid CTF identifier: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "env-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace), name);
+ ret = -1;
+ goto end;
+ }
+
+ if (!bt_value_is_integer(value) && !bt_value_is_string(value)) {
+ BT_LOGW("Invalid parameter: environment field's value is not an integer or string value: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "env-name=\"%s\", env-value-type=%s",
+ trace, bt_ctf_trace_get_name(trace), name,
+ bt_value_type_string(bt_value_get_type(value)));
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->is_static) {
+ BT_LOGW("Invalid parameter: trace is static: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
trace->environment, name);
if (attribute) {
+ BT_LOGW("Invalid parameter: trace is frozen and environment field already exists with this name: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "env-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace), name);
BT_PUT(attribute);
ret = -1;
goto end;
ret = bt_ctf_attributes_set_field_value(trace->environment, name,
value);
+ if (ret) {
+ BT_LOGE("Cannot set environment field's value: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "env-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace), name);
+ } else {
+ BT_LOGV("Set environment field's value: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "env-name=\"%s\", value-addr=%p",
+ trace, bt_ctf_trace_get_name(trace), name, value);
+ }
end:
return ret;
int ret = 0;
struct bt_value *env_value_string_obj = NULL;
- if (!trace || !name || !value) {
+ if (!value) {
+ BT_LOGW_STR("Invalid parameter: value is NULL.");
ret = -1;
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_PUT(attribute);
- ret = -1;
- goto end;
- }
- }
-
env_value_string_obj = bt_value_string_create_init(value);
-
if (!env_value_string_obj) {
+ BT_LOGE_STR("Cannot create string value object.");
ret = -1;
goto end;
}
- if (trace->frozen) {
- bt_value_freeze(env_value_string_obj);
- }
+ /* bt_ctf_trace_set_environment_field() logs errors */
ret = bt_ctf_trace_set_environment_field(trace, name,
env_value_string_obj);
end:
- BT_PUT(env_value_string_obj);
+ bt_put(env_value_string_obj);
return ret;
}
int ret = 0;
struct bt_value *env_value_integer_obj = NULL;
- if (!trace || !name) {
- ret = -1;
- 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_PUT(attribute);
- ret = -1;
- goto end;
- }
- }
-
env_value_integer_obj = bt_value_integer_create_init(value);
if (!env_value_integer_obj) {
+ BT_LOGE_STR("Cannot create integer value object.");
ret = -1;
goto end;
}
+ /* bt_ctf_trace_set_environment_field() logs errors */
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_PUT(env_value_integer_obj);
+ bt_put(env_value_integer_obj);
return ret;
}
int64_t ret = 0;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
ret = (int64_t) -1;
goto end;
}
ret = bt_ctf_attributes_get_count(trace->environment);
+ assert(ret >= 0);
end:
return ret;
const char *ret = NULL;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
struct bt_value *ret = NULL;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
{
struct bt_value *ret = NULL;
- if (!trace || !name) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (!name) {
+ BT_LOGW_STR("Invalid parameter: name is NULL.");
goto end;
}
{
int ret = 0;
- if (!trace || trace->is_static ||
- !bt_ctf_clock_class_is_valid(clock_class)) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->is_static) {
+ BT_LOGW("Invalid parameter: trace is static: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
+ ret = -1;
+ goto end;
+ }
+
+ if (!bt_ctf_clock_class_is_valid(clock_class)) {
+ BT_LOGW("Invalid parameter: clock class is invalid: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "clock-class-addr=%p, clock-class-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace),
+ clock_class, bt_ctf_clock_class_get_name(clock_class));
ret = -1;
goto end;
}
/* Check for duplicate clock classes */
if (bt_ctf_trace_has_clock_class(trace, clock_class)) {
+ BT_LOGW("Invalid parameter: clock class already exists in trace: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "clock-class-addr=%p, clock-class-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace),
+ clock_class, bt_ctf_clock_class_get_name(clock_class));
ret = -1;
goto end;
}
g_ptr_array_add(trace->clocks, clock_class);
if (trace->frozen) {
+ BT_LOGV_STR("Freezing added clock class because trace is frozen.");
bt_ctf_clock_class_freeze(clock_class);
}
+
+ BT_LOGV("Added clock class to trace: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "clock-class-addr=%p, clock-class-name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace),
+ clock_class, bt_ctf_clock_class_get_name(clock_class));
+
end:
return ret;
}
int64_t ret = (int64_t) -1;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
{
struct bt_ctf_clock_class *clock_class = NULL;
- if (!trace || index >= trace->clocks->len) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (index >= trace->clocks->len) {
+ BT_LOGW("Invalid parameter: index is out of bounds: "
+ "addr=%p, name=\"%s\", "
+ "index=%" PRIu64 ", count=%u",
+ trace, bt_ctf_trace_get_name(trace),
+ index, trace->clocks->len);
goto end;
}
return clock_class;
}
+static
+bool packet_header_field_type_is_valid(struct bt_ctf_trace *trace,
+ struct bt_ctf_field_type *packet_header_type)
+{
+ int ret;
+ bool is_valid = true;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!packet_header_type) {
+ /*
+ * No packet header field type: trace must have only
+ * one stream. At this point the stream class being
+ * added is not part of the trace yet, so we validate
+ * that the trace contains no stream classes yet.
+ */
+ if (trace->stream_classes->len >= 1) {
+ BT_LOGW_STR("Invalid packet header field type: "
+ "packet header field type does not exist but there's more than one stream class in the trace.");
+ goto invalid;
+ }
+
+ /* No packet header field type: valid at this point */
+ goto end;
+ }
+
+ /* Packet header field type, if it exists, must be a structure */
+ if (!bt_ctf_field_type_is_structure(packet_header_type)) {
+ BT_LOGW("Invalid packet header field type: must be a structure field type if it exists: "
+ "ft-addr=%p, ft-id=%s",
+ packet_header_type,
+ bt_ctf_field_type_id_string(packet_header_type->id));
+ goto invalid;
+ }
+
+ /*
+ * If there's a `magic` field, it must be a 32-bit unsigned
+ * integer field type. Also it must be the first field of the
+ * packet header field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_header_type, "magic");
+ if (field_type) {
+ const char *field_name;
+
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet header field type: `magic` field must be an integer field type: "
+ "magic-ft-addr=%p, magic-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet header field type: `magic` field must be an unsigned integer field type: "
+ "magic-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_get_size(field_type) != 32) {
+ BT_LOGW("Invalid packet header field type: `magic` field must be a 32-bit unsigned integer field type: "
+ "magic-ft-addr=%p, magic-ft-size=%u",
+ field_type,
+ bt_ctf_field_type_integer_get_size(field_type));
+ goto invalid;
+ }
+
+ ret = bt_ctf_field_type_structure_get_field_by_index(
+ packet_header_type, &field_name, NULL, 0);
+ assert(ret == 0);
+
+ if (strcmp(field_name, "magic") != 0) {
+ BT_LOGW("Invalid packet header field type: `magic` field must be the first field: "
+ "magic-ft-addr=%p, first-field-name=\"%s\"",
+ field_type, field_name);
+ goto invalid;
+ }
+
+ BT_PUT(field_type);
+ }
+
+ /*
+ * If there's a `uuid` field, it must be an array field type of
+ * length 16 with an 8-bit unsigned integer element field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_header_type, "uuid");
+ if (field_type) {
+ struct bt_ctf_field_type *elem_ft;
+
+ if (!bt_ctf_field_type_is_array(field_type)) {
+ BT_LOGW("Invalid packet header field type: `uuid` field must be an array field type: "
+ "uuid-ft-addr=%p, uuid-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_array_get_length(field_type) != 16) {
+ BT_LOGW("Invalid packet header field type: `uuid` array field type's length must be 16: "
+ "uuid-ft-addr=%p, uuid-ft-length=%" PRId64,
+ field_type,
+ bt_ctf_field_type_array_get_length(field_type));
+ goto invalid;
+ }
+
+ elem_ft = bt_ctf_field_type_array_get_element_type(field_type);
+ assert(elem_ft);
+
+ if (!bt_ctf_field_type_is_integer(elem_ft)) {
+ BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an integer field type: "
+ "elem-ft-addr=%p, elem-ft-id=%s",
+ elem_ft,
+ bt_ctf_field_type_id_string(elem_ft->id));
+ bt_put(elem_ft);
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(elem_ft)) {
+ BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an unsigned integer field type: "
+ "elem-ft-addr=%p", elem_ft);
+ bt_put(elem_ft);
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_get_size(elem_ft) != 8) {
+ BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an 8-bit unsigned integer field type: "
+ "elem-ft-addr=%p, elem-ft-size=%u",
+ elem_ft,
+ bt_ctf_field_type_integer_get_size(elem_ft));
+ bt_put(elem_ft);
+ goto invalid;
+ }
+
+ bt_put(elem_ft);
+ BT_PUT(field_type);
+ }
+
+ /*
+ * The `stream_id` field must exist if there's more than one
+ * stream classes in the trace.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_header_type, "stream_id");
+
+ if (!field_type && trace->stream_classes->len >= 1) {
+ BT_LOGW_STR("Invalid packet header field type: "
+ "`stream_id` field does not exist but there's more than one stream class in the trace.");
+ goto invalid;
+ }
+
+ /*
+ * If there's a `stream_id` field, it must be an unsigned
+ * integer field type.
+ */
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet header field type: `stream_id` field must be an integer field type: "
+ "stream-id-ft-addr=%p, stream-id-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet header field type: `stream_id` field must be an unsigned integer field type: "
+ "stream-id-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ BT_PUT(field_type);
+ }
+
+ goto end;
+
+invalid:
+ is_valid = false;
+
+end:
+ bt_put(field_type);
+ return is_valid;
+}
+
+static
+bool packet_context_field_type_is_valid(struct bt_ctf_trace *trace,
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_field_type *packet_context_type)
+{
+ bool is_valid = true;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!packet_context_type) {
+ /* No packet context field type: valid at this point */
+ goto end;
+ }
+
+ /* Packet context field type, if it exists, must be a structure */
+ if (!bt_ctf_field_type_is_structure(packet_context_type)) {
+ BT_LOGW("Invalid packet context field type: must be a structure field type if it exists: "
+ "ft-addr=%p, ft-id=%s",
+ packet_context_type,
+ bt_ctf_field_type_id_string(packet_context_type->id));
+ goto invalid;
+ }
+
+ /*
+ * If there's a `packet_size` field, it must be an unsigned
+ * integer field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_context_type, "packet_size");
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet context field type: `packet_size` field must be an integer field type: "
+ "packet-size-ft-addr=%p, packet-size-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet context field type: `packet_size` field must be an unsigned integer field type: "
+ "packet-size-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ BT_PUT(field_type);
+ }
+
+ /*
+ * If there's a `content_size` field, it must be an unsigned
+ * integer field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_context_type, "content_size");
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet context field type: `content_size` field must be an integer field type: "
+ "content-size-ft-addr=%p, content-size-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet context field type: `content_size` field must be an unsigned integer field type: "
+ "content-size-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ BT_PUT(field_type);
+ }
+
+ /*
+ * If there's a `events_discarded` field, it must be an unsigned
+ * integer field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_context_type, "events_discarded");
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet context field type: `events_discarded` field must be an integer field type: "
+ "events-discarded-ft-addr=%p, events-discarded-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet context field type: `events_discarded` field must be an unsigned integer field type: "
+ "events-discarded-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ BT_PUT(field_type);
+ }
+
+ /*
+ * If there's a `timestamp_begin` field, it must be an unsigned
+ * integer field type. Also, if the trace is not a CTF writer's
+ * trace, then we cannot automatically set the mapped clock
+ * class of this field, so it must have a mapped clock class.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_context_type, "timestamp_begin");
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an integer field type: "
+ "timestamp-begin-ft-addr=%p, timestamp-begin-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an unsigned integer field type: "
+ "timestamp-begin-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ if (!trace->is_created_by_writer) {
+ struct bt_ctf_clock_class *clock_class =
+ bt_ctf_field_type_integer_get_mapped_clock_class(
+ field_type);
+
+ bt_put(clock_class);
+ if (!clock_class) {
+ BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be mapped to a clock class: "
+ "timestamp-begin-ft-addr=%p", field_type);
+ goto invalid;
+ }
+ }
+
+ BT_PUT(field_type);
+ }
+
+ /*
+ * If there's a `timestamp_end` field, it must be an unsigned
+ * integer field type. Also, if the trace is not a CTF writer's
+ * trace, then we cannot automatically set the mapped clock
+ * class of this field, so it must have a mapped clock class.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ packet_context_type, "timestamp_end");
+ if (field_type) {
+ if (!bt_ctf_field_type_is_integer(field_type)) {
+ BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an integer field type: "
+ "timestamp-end-ft-addr=%p, timestamp-end-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ if (bt_ctf_field_type_integer_is_signed(field_type)) {
+ BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an unsigned integer field type: "
+ "timestamp-end-ft-addr=%p", field_type);
+ goto invalid;
+ }
+
+ if (!trace->is_created_by_writer) {
+ struct bt_ctf_clock_class *clock_class =
+ bt_ctf_field_type_integer_get_mapped_clock_class(
+ field_type);
+
+ bt_put(clock_class);
+ if (!clock_class) {
+ BT_LOGW("Invalid packet context field type: `timestamp_end` field must be mapped to a clock class: "
+ "timestamp-end-ft-addr=%p", field_type);
+ goto invalid;
+ }
+ }
+
+ BT_PUT(field_type);
+ }
+
+ goto end;
+
+invalid:
+ is_valid = false;
+
+end:
+ bt_put(field_type);
+ return is_valid;
+}
+
+static
+bool event_header_field_type_is_valid(struct bt_ctf_trace *trace,
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_field_type *event_header_type)
+{
+ bool is_valid = true;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ /*
+ * We do not validate that the `timestamp` field exists here
+ * because CTF does not require this exact name to be mapped to
+ * a clock class.
+ */
+
+ if (!event_header_type) {
+ /*
+ * No event header field type: stream class must have
+ * only one event class.
+ */
+ if (bt_ctf_stream_class_get_event_class_count(stream_class) > 1) {
+ BT_LOGW_STR("Invalid event header field type: "
+ "event header field type does not exist but there's more than one event class in the stream class.");
+ goto invalid;
+ }
+
+ /* No event header field type: valid at this point */
+ goto end;
+ }
+
+ /* Event header field type, if it exists, must be a structure */
+ if (!bt_ctf_field_type_is_structure(event_header_type)) {
+ BT_LOGW("Invalid event header field type: must be a structure field type if it exists: "
+ "ft-addr=%p, ft-id=%s",
+ event_header_type,
+ bt_ctf_field_type_id_string(event_header_type->id));
+ goto invalid;
+ }
+
+ /*
+ * If there's an `id` field, it must be an unsigned integer
+ * field type or an enumeration field type with an unsigned
+ * integer container field type.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ event_header_type, "id");
+ if (field_type) {
+ struct bt_ctf_field_type *int_ft;
+
+ if (bt_ctf_field_type_is_integer(field_type)) {
+ int_ft = bt_get(field_type);
+ } else if (bt_ctf_field_type_is_enumeration(field_type)) {
+ int_ft = bt_ctf_field_type_enumeration_get_container_type(
+ field_type);
+ } else {
+ BT_LOGW("Invalid event header field type: `id` field must be an integer or enumeration field type: "
+ "id-ft-addr=%p, id-ft-id=%s",
+ field_type,
+ bt_ctf_field_type_id_string(field_type->id));
+ goto invalid;
+ }
+
+ assert(int_ft);
+ if (bt_ctf_field_type_integer_is_signed(int_ft)) {
+ BT_LOGW("Invalid event header field type: `id` field must be an unsigned integer or enumeration field type: "
+ "id-ft-addr=%p", int_ft);
+ goto invalid;
+ }
+
+ bt_put(int_ft);
+ BT_PUT(field_type);
+ }
+
+ goto end;
+
+invalid:
+ is_valid = false;
+
+end:
+ bt_put(field_type);
+ return is_valid;
+}
+
int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
struct bt_ctf_stream_class *stream_class)
{
int64_t event_class_count;
struct bt_ctf_trace *current_parent_trace = NULL;
- if (!trace || !stream_class || trace->is_static) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!stream_class) {
+ BT_LOGW_STR("Invalid parameter: stream class is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->is_static) {
+ BT_LOGW_STR("Invalid parameter: trace is static.");
ret = -1;
goto end;
}
+ BT_LOGD("Adding stream class to trace: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-class-id=%" PRId64,
+ trace, bt_ctf_trace_get_name(trace),
+ stream_class, bt_ctf_stream_class_get_name(stream_class),
+ bt_ctf_stream_class_get_id(stream_class));
+
/*
* At the end of this function we freeze the trace, so its
* native byte order must NOT be BT_CTF_BYTE_ORDER_NATIVE.
*/
if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
+ BT_LOGW_STR("Invalid parameter: trace's byte order cannot be BT_CTF_BYTE_ORDER_NATIVE at this point; "
+ "set it with bt_ctf_trace_set_native_byte_order().");
ret = -1;
goto end;
}
current_parent_trace = bt_ctf_stream_class_get_trace(stream_class);
if (current_parent_trace) {
/* Stream class is already associated to a trace, abort. */
+ BT_LOGW("Invalid parameter: stream class is already part of a trace: "
+ "stream-class-trace-addr=%p, "
+ "stream-class-trace-name=\"%s\"",
+ current_parent_trace,
+ bt_ctf_trace_get_name(current_parent_trace));
ret = -1;
goto end;
}
bt_ctf_stream_class_get_event_class_count(stream_class);
assert(event_class_count >= 0);
- /* Check for duplicate stream classes */
- for (i = 0; i < trace->stream_classes->len; i++) {
- if (trace->stream_classes->pdata[i] == stream_class) {
- /* Stream class already registered to the trace */
- ret = -1;
- goto end;
- }
- }
-
if (stream_class->clock) {
struct bt_ctf_clock_class *stream_clock_class =
stream_class->clock->clock_class;
if (i == trace->clocks->len) {
/* Not found */
+ BT_LOGW("Stream class's clock's class is not part of the trace: "
+ "clock-class-addr=%p, clock-class-name=\"%s\"",
+ stream_clock_class,
+ bt_ctf_clock_class_get_name(stream_clock_class));
ret = -1;
goto end;
}
* independent APIs (non-writer and writer
* APIs), and isolating them simplifies things.
*/
+ BT_LOGW("Cannot add stream class with a clock to a trace which was not created by a CTF writer object: "
+ "clock-class-addr=%p, clock-class-name=\"%s\"",
+ stream_clock_class,
+ bt_ctf_clock_class_get_name(stream_clock_class));
ret = -1;
goto end;
}
bt_ctf_stream_class_get_event_header_type(stream_class);
stream_event_ctx_type =
bt_ctf_stream_class_get_event_context_type(stream_class);
+
+ BT_LOGD("Validating trace and stream class field types.");
ret = bt_ctf_validate_class_types(trace->environment,
packet_header_type, packet_context_type, event_header_type,
stream_event_ctx_type, NULL, NULL, trace->valid,
* This means something went wrong during the validation
* process, not that the objects are invalid.
*/
+ BT_LOGE("Failed to validate trace and stream class field types: "
+ "ret=%d", ret);
goto end;
}
trace_sc_validation_flags) !=
trace_sc_validation_flags) {
/* Invalid trace/stream class */
+ BT_LOGW("Invalid trace or stream class field types: "
+ "valid-flags=0x%x",
+ trace_sc_validation_output.valid_flags);
ret = -1;
goto end;
}
ec_validation_outputs = g_new0(struct bt_ctf_validation_output,
event_class_count);
if (!ec_validation_outputs) {
+ BT_LOGE_STR("Failed to allocate one validation output structure.");
ret = -1;
goto end;
}
* the previous trace and stream class validation here
* because copies could have been made.
*/
+ BT_LOGD("Validating event class's field types: "
+ "addr=%p, name=\"%s\", id=%" PRId64,
+ event_class, bt_ctf_event_class_get_name(event_class),
+ bt_ctf_event_class_get_id(event_class));
ret = bt_ctf_validate_class_types(trace->environment,
trace_sc_validation_output.packet_header_type,
trace_sc_validation_output.packet_context_type,
BT_PUT(event_class);
if (ret) {
+ BT_LOGE("Failed to validate event class field types: "
+ "ret=%d", ret);
goto end;
}
if ((ec_validation_outputs[i].valid_flags &
ec_validation_flags) != ec_validation_flags) {
/* Invalid event class */
+ BT_LOGW("Invalid event class field types: "
+ "valid-flags=0x%x",
+ ec_validation_outputs[i].valid_flags);
ret = -1;
goto end;
}
if (stream_id < 0) {
stream_id = trace->next_stream_id++;
if (stream_id < 0) {
+ BT_LOGE_STR("No more stream class IDs available.");
ret = -1;
goto end;
}
if (stream_id == bt_ctf_stream_class_get_id(
trace->stream_classes->pdata[i])) {
/* Duplicate stream id found */
+ BT_LOGW("Duplicate stream class ID: "
+ "id=%" PRId64, (int64_t) stream_id);
ret = -1;
goto end;
}
}
if (bt_ctf_stream_class_set_id_no_check(stream_class,
- stream_id)) {
+ stream_id)) {
/* TODO Should retry with a different stream id */
+ BT_LOGE("Cannot set stream class's ID: "
+ "id=%" PRId64, (int64_t) stream_id);
+ ret = -1;
+ goto end;
+ }
+ }
+
+ /*
+ * At this point all the field types in the validation output
+ * are valid. Validate the semantics of some scopes according to
+ * the CTF specification.
+ */
+ if (!packet_header_field_type_is_valid(trace,
+ trace_sc_validation_output.packet_header_type)) {
+ BT_LOGW_STR("Invalid trace's packet header field type.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!packet_context_field_type_is_valid(trace,
+ stream_class,
+ trace_sc_validation_output.packet_context_type)) {
+ BT_LOGW_STR("Invalid stream class's packet context field type.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!event_header_field_type_is_valid(trace,
+ stream_class,
+ trace_sc_validation_output.event_header_type)) {
+ BT_LOGW_STR("Invalid steam class's event header field type.");
+ ret = -1;
+ goto end;
+ }
+
+ /*
+ * Now is the time to automatically map specific field types of
+ * the stream class's packet context and event header field
+ * types to the stream class's clock's class if they are not
+ * mapped to a clock class yet. We do it here because we know
+ * that after this point, everything is frozen so it won't be
+ * possible for the user to modify the stream class's clock, or
+ * to map those field types to other clock classes.
+ */
+ if (trace->is_created_by_writer) {
+ if (bt_ctf_stream_class_map_clock_class(stream_class,
+ trace_sc_validation_output.packet_context_type,
+ trace_sc_validation_output.event_header_type)) {
+ BT_LOGW_STR("Cannot automatically map selected stream class's field types to stream class's clock's class.");
ret = -1;
goto end;
}
/* Notifiy listeners of the trace's schema modification. */
bt_ctf_stream_class_visit(stream_class,
bt_ctf_trace_object_modification, trace);
+ BT_LOGD("Added stream class to trace: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-class-id=%" PRId64,
+ trace, bt_ctf_trace_get_name(trace),
+ stream_class, bt_ctf_stream_class_get_name(stream_class),
+ bt_ctf_stream_class_get_id(stream_class));
+
end:
if (ret) {
bt_object_set_parent(stream_class, NULL);
assert(!packet_context_type);
assert(!event_header_type);
assert(!stream_event_ctx_type);
-
return ret;
}
int64_t ret;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
ret = (int64_t) -1;
goto end;
}
{
struct bt_ctf_stream *stream = NULL;
- if (!trace || index >= trace->streams->len) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (index >= trace->streams->len) {
+ BT_LOGW("Invalid parameter: index is out of bounds: "
+ "addr=%p, name=\"%s\", "
+ "index=%" PRIu64 ", count=%u",
+ trace, bt_ctf_trace_get_name(trace),
+ index, trace->streams->len);
goto end;
}
int64_t ret;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
ret = (int64_t) -1;
goto end;
}
{
struct bt_ctf_stream_class *stream_class = NULL;
- if (!trace || index >= trace->stream_classes->len) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (index >= trace->stream_classes->len) {
+ BT_LOGW("Invalid parameter: index is out of bounds: "
+ "addr=%p, name=\"%s\", "
+ "index=%" PRIu64 ", count=%u",
+ trace, bt_ctf_trace_get_name(trace),
+ index, trace->stream_classes->len);
goto end;
}
struct bt_ctf_stream_class *stream_class = NULL;
int64_t id = (int64_t) id_param;
- if (!trace || id < 0) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (id < 0) {
+ BT_LOGW("Invalid parameter: invalid stream class's ID: "
+ "trace-addr=%p, trace-name=\"%s\", id=%" PRIu64,
+ trace, bt_ctf_trace_get_name(trace), id_param);
goto end;
}
size_t i;
struct bt_ctf_clock_class *clock_class = NULL;
- if (!trace || !name) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ goto end;
+ }
+
+ if (!name) {
+ BT_LOGW_STR("Invalid parameter: name is NULL.");
goto end;
}
}
BT_HIDDEN
-bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace,
+bt_bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace,
struct bt_ctf_clock_class *clock_class)
{
struct search_query query = { .value = clock_class, .found = 0 };
string = "native";
break;
default:
- assert(false);
+ abort();
}
return string;
struct metadata_context *context)
{
unsigned char *uuid = trace->uuid;
- int ret;
+ int ret = 0;
if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
+ BT_LOGW("Invalid parameter: trace's byte order cannot be BT_CTF_BYTE_ORDER_NATIVE at this point; "
+ "set it with bt_ctf_trace_set_native_byte_order(): "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
g_string_append_printf(context->string, "\tbyte_order = %s;\n",
get_byte_order_string(trace->native_byte_order));
- g_string_append(context->string, "\tpacket.header := ");
- context->current_indentation_level++;
- g_string_assign(context->field_name, "");
- ret = bt_ctf_field_type_serialize(trace->packet_header_type,
- context);
- if (ret) {
- goto end;
+ if (trace->packet_header_type) {
+ g_string_append(context->string, "\tpacket.header := ");
+ context->current_indentation_level++;
+ g_string_assign(context->field_name, "");
+ BT_LOGD_STR("Serializing trace's packet header field type's metadata.");
+ ret = bt_ctf_field_type_serialize(trace->packet_header_type,
+ context);
+ if (ret) {
+ goto end;
+ }
+ context->current_indentation_level--;
}
- context->current_indentation_level--;
g_string_append(context->string, ";\n};\n\n");
end:
int64_t env_size;
env_size = bt_ctf_attributes_get_count(trace->environment);
-
if (env_size <= 0) {
return;
}
env_field_value_obj = bt_ctf_attributes_get_field_value(
trace->environment, i);
- if (!entry_name || !env_field_value_obj) {
- goto loop_next;
- }
+ assert(entry_name);
+ assert(env_field_value_obj);
switch (bt_value_get_type(env_field_value_obj)) {
case BT_VALUE_TYPE_INTEGER:
ret = bt_value_integer_get(env_field_value_obj,
&int_value);
-
- if (ret) {
- goto loop_next;
- }
-
+ assert(ret == 0);
g_string_append_printf(context->string,
"\t%s = %" PRId64 ";\n", entry_name,
int_value);
ret = bt_value_string_get(env_field_value_obj,
&str_value);
-
- if (ret) {
- goto loop_next;
- }
-
+ assert(ret == 0);
escaped_str = g_strescape(str_value, NULL);
-
if (!escaped_str) {
+ BT_LOGE("Cannot escape string: string=\"%s\"",
+ str_value);
goto loop_next;
}
free(escaped_str);
break;
}
-
default:
goto loop_next;
}
size_t i;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
context = g_new0(struct metadata_context, 1);
if (!context) {
+ BT_LOGE_STR("Failed to allocate one metadata context.");
goto end;
}
context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE);
g_string_append(context->string, "/* CTF 1.8 */\n\n");
if (append_trace_metadata(trace, context)) {
+ /* append_trace_metadata() logs errors */
goto error;
}
append_env_metadata(trace, context);
(GFunc)bt_ctf_clock_class_serialize, context);
for (i = 0; i < trace->stream_classes->len; i++) {
+ /* bt_ctf_stream_class_serialize() logs details */
err = bt_ctf_stream_class_serialize(
trace->stream_classes->pdata[i], context);
if (err) {
+ /* bt_ctf_stream_class_serialize() logs errors */
goto error;
}
}
metadata = context->string->str;
+
error:
g_string_free(context->string, err ? TRUE : FALSE);
g_string_free(context->field_name, TRUE);
g_free(context);
+
end:
return metadata;
}
enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
{
int ret = 0;
- if (!trace || trace->frozen) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ BT_LOGW("Invalid parameter: trace is frozen: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
if (byte_order != BT_CTF_BYTE_ORDER_LITTLE_ENDIAN &&
byte_order != BT_CTF_BYTE_ORDER_BIG_ENDIAN &&
byte_order != BT_CTF_BYTE_ORDER_NETWORK) {
+ BT_LOGW("Invalid parameter: invalid byte order: "
+ "addr=%p, name=\"%s\", bo=%s",
+ trace, bt_ctf_trace_get_name(trace),
+ bt_ctf_byte_order_string(byte_order));
ret = -1;
goto end;
}
trace->native_byte_order = byte_order;
+ BT_LOGV("Set trace's native byte order: "
+ "addr=%p, name=\"%s\", bo=%s",
+ trace, bt_ctf_trace_get_name(trace),
+ bt_ctf_byte_order_string(byte_order));
end:
return ret;
struct bt_ctf_field_type *field_type = NULL;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
{
int ret = 0;
- if (!trace || trace->frozen) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (trace->frozen) {
+ BT_LOGW("Invalid parameter: trace is frozen: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = -1;
goto end;
}
/* packet_header_type must be a structure. */
if (packet_header_type &&
- bt_ctf_field_type_get_type_id(packet_header_type) !=
- BT_CTF_FIELD_TYPE_ID_STRUCT) {
+ !bt_ctf_field_type_is_structure(packet_header_type)) {
+ BT_LOGW("Invalid parameter: packet header field type must be a structure field type if it exists: "
+ "addr=%p, name=\"%s\", ft-addr=%p, ft-id=%s",
+ trace, bt_ctf_trace_get_name(trace),
+ packet_header_type,
+ bt_ctf_field_type_id_string(packet_header_type->id));
ret = -1;
goto end;
}
bt_put(trace->packet_header_type);
trace->packet_header_type = bt_get(packet_header_type);
+ BT_LOGV("Set trace's packet header field type: "
+ "addr=%p, name=\"%s\", packet-context-ft-addr=%p",
+ trace, bt_ctf_trace_get_name(trace), packet_header_type);
end:
return ret;
}
struct bt_ctf_object obj =
{ .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE };
- if (!trace || !visitor) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!visitor) {
+ BT_LOGW_STR("Invalid parameter: visitor is NULL.");
ret = -1;
goto end;
}
+ BT_LOGV("Visiting trace: addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
ret = visitor_helper(&obj, get_stream_class_count,
get_stream_class, visit_stream_class, visitor, data);
end:
return 0;
}
+// TODO: add logging to this function once we use it internally.
int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace,
bt_ctf_listener_cb listener, void *listener_data)
{
{
int i;
+ if (trace->frozen) {
+ return;
+ }
+
+ BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
+ BT_LOGD_STR("Freezing packet header field type.");
bt_ctf_field_type_freeze(trace->packet_header_type);
+ BT_LOGD_STR("Freezing environment attributes.");
bt_ctf_attributes_freeze(trace->environment);
+ if (trace->clocks->len > 0) {
+ BT_LOGD_STR("Freezing clock classes.");
+ }
+
for (i = 0; i < trace->clocks->len; i++) {
struct bt_ctf_clock_class *clock_class =
g_ptr_array_index(trace->clocks, i);
trace->frozen = 1;
}
-static
-int init_trace_packet_header(struct bt_ctf_trace *trace)
+bt_bool bt_ctf_trace_is_static(struct bt_ctf_trace *trace)
{
- int ret = 0;
- struct bt_ctf_field *magic = NULL, *uuid_array = NULL;
- struct bt_ctf_field_type *_uint32_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
- struct bt_ctf_field_type *_uint8_t =
- get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
- struct bt_ctf_field_type *trace_packet_header_type =
- bt_ctf_field_type_structure_create();
- struct bt_ctf_field_type *uuid_array_type =
- bt_ctf_field_type_array_create(_uint8_t, 16);
-
- if (!trace_packet_header_type || !uuid_array_type) {
- ret = -1;
- goto end;
- }
+ bt_bool is_static = BT_FALSE;
- ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
- _uint32_t, "magic");
- if (ret) {
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
goto end;
}
- ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
- uuid_array_type, "uuid");
- if (ret) {
- goto end;
- }
+ is_static = trace->is_static;
- ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
- _uint32_t, "stream_id");
- if (ret) {
+end:
+ return is_static;
+}
+
+int bt_ctf_trace_set_is_static(struct bt_ctf_trace *trace)
+{
+ int ret = 0;
+ size_t i;
+
+ if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ ret = -1;
goto end;
}
- ret = bt_ctf_trace_set_packet_header_type(trace,
- trace_packet_header_type);
- if (ret) {
- goto end;
+ trace->is_static = BT_TRUE;
+ bt_ctf_trace_freeze(trace);
+ BT_LOGV("Set trace static: addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
+
+ /* Call all the "trace is static" listeners */
+ for (i = 0; i < trace->is_static_listeners->len; i++) {
+ struct bt_ctf_trace_is_static_listener_elem elem =
+ g_array_index(trace->is_static_listeners,
+ struct bt_ctf_trace_is_static_listener_elem, i);
+
+ if (elem.func) {
+ elem.func(trace, elem.data);
+ }
}
+
end:
- bt_put(uuid_array_type);
- bt_put(_uint32_t);
- bt_put(_uint8_t);
- bt_put(magic);
- bt_put(uuid_array);
- bt_put(trace_packet_header_type);
return ret;
}
-bool bt_ctf_trace_is_static(struct bt_ctf_trace *trace)
+int bt_ctf_trace_add_is_static_listener(struct bt_ctf_trace *trace,
+ bt_ctf_trace_is_static_listener listener, void *data)
{
- bool is_static = false;
+ int i;
+ struct bt_ctf_trace_is_static_listener_elem new_elem = {
+ .func = listener,
+ .data = data,
+ };
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
+ i = -1;
goto end;
}
- is_static = trace->is_static;
+ if (!listener) {
+ BT_LOGW_STR("Invalid parameter: listener is NULL.");
+ i = -1;
+ goto end;
+ }
+
+ if (trace->is_static) {
+ BT_LOGW("Invalid parameter: trace is already static: "
+ "addr=%p, name=\"%s\"",
+ trace, bt_ctf_trace_get_name(trace));
+ i = -1;
+ goto end;
+ }
+
+ /* Find the next available spot */
+ for (i = 0; i < trace->is_static_listeners->len; i++) {
+ struct bt_ctf_trace_is_static_listener_elem elem =
+ g_array_index(trace->is_static_listeners,
+ struct bt_ctf_trace_is_static_listener_elem, i);
+
+ if (!elem.func) {
+ break;
+ }
+ }
+
+ if (i == trace->is_static_listeners->len) {
+ g_array_append_val(trace->is_static_listeners, new_elem);
+ } else {
+ g_array_insert_val(trace->is_static_listeners, i, new_elem);
+ }
+
+ BT_LOGV("Added \"trace is static\" listener: "
+ "trace-addr=%p, trace-name=\"%s\", func-addr=%p, "
+ "data-addr=%p, listener-id=%d",
+ trace, bt_ctf_trace_get_name(trace), listener, data, i);
end:
- return is_static;
+ return i;
}
-int bt_ctf_trace_set_is_static(struct bt_ctf_trace *trace)
+int bt_ctf_trace_remove_is_static_listener(
+ struct bt_ctf_trace *trace, int listener_id)
{
int ret = 0;
+ struct bt_ctf_trace_is_static_listener_elem *elem;
if (!trace) {
+ BT_LOGW_STR("Invalid parameter: trace is NULL.");
ret = -1;
goto end;
}
- trace->is_static = true;
- bt_ctf_trace_freeze(trace);
+ if (listener_id < 0) {
+ BT_LOGW("Invalid listener ID: must be zero or positive: "
+ "listener-id=%d", listener_id);
+ ret = -1;
+ goto end;
+ }
+
+ if (listener_id >= trace->is_static_listeners->len) {
+ BT_LOGW("Invalid parameter: no listener with this listener ID: "
+ "addr=%p, name=\"%s\", listener-id=%d",
+ trace, bt_ctf_trace_get_name(trace),
+ listener_id);
+ ret = -1;
+ goto end;
+ }
+
+ elem = &g_array_index(trace->is_static_listeners,
+ struct bt_ctf_trace_is_static_listener_elem,
+ listener_id);
+ if (!elem->func) {
+ BT_LOGW("Invalid parameter: no listener with this listener ID: "
+ "addr=%p, name=\"%s\", listener-id=%d",
+ trace, bt_ctf_trace_get_name(trace),
+ listener_id);
+ ret = -1;
+ goto end;
+ }
+
+ elem->func = NULL;
+ elem->data = NULL;
+ BT_LOGV("Removed \"trace is static\" listener: "
+ "trace-addr=%p, trace-name=\"%s\", "
+ "listener-id=%d", trace, bt_ctf_trace_get_name(trace),
+ listener_id);
end:
return ret;