#include <babeltrace/compiler-internal.h>
#include <babeltrace/align-internal.h>
#include <inttypes.h>
+#include <unistd.h>
static
void bt_ctf_stream_destroy(struct bt_object *obj);
static
int try_set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t);
-static
-int set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t);
static
int set_integer_field_value(struct bt_ctf_field* field, uint64_t value)
int set_packet_header_magic(struct bt_ctf_stream *stream)
{
int ret = 0;
- struct bt_ctf_field_type *magic_field_type = NULL;
struct bt_ctf_field *magic_field = bt_ctf_field_structure_get_field(
stream->packet_header, "magic");
const uint32_t magic_value = 0xc1fc1fc1;
goto end;
}
- if (bt_ctf_field_is_set(magic_field)) {
- /* Value already set. Not an error, skip. */
- BT_LOGV("Packet header's `magic` field is already set: skipping: "
- "stream-addr=%p, stream-name=\"%s\"", stream,
- bt_ctf_stream_get_name(stream));
- goto end;
- }
-
- magic_field_type = bt_ctf_field_get_type(magic_field);
- assert(magic_field_type);
-
- if (bt_ctf_field_type_get_type_id(magic_field_type) !=
- BT_CTF_FIELD_TYPE_ID_INTEGER) {
- /* Magic field is not an integer. Not an error, skip. */
- BT_LOGV("Packet header's `magic` field's type is not an integer field type: skipping: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, ft-addr=%p, ft-id=%s",
- stream, bt_ctf_stream_get_name(stream), magic_field,
- magic_field_type,
- bt_ctf_field_type_id_string(magic_field_type->id));
- goto end;
- }
-
- if (bt_ctf_field_type_integer_get_size(magic_field_type) != 32) {
- /*
- * Magic field is not of the expected size.
- * Not an error, skip.
- */
- BT_LOGV("Packet header's `magic` field's type is not 32-bit: skipping: "
- "stream-addr=%p, stream-name=\"%s\", ft-addr=%p, size=%d",
- stream, bt_ctf_stream_get_name(stream), magic_field_type,
- bt_ctf_field_type_integer_get_size(magic_field_type));
- goto end;
- }
+ ret = bt_ctf_field_unsigned_integer_set_value(magic_field,
+ (uint64_t) magic_value);
- ret = bt_ctf_field_type_integer_get_signed(magic_field_type);
- assert(ret >= 0);
if (ret) {
- ret = bt_ctf_field_signed_integer_set_value(magic_field,
- (int64_t) magic_value);
- } else {
- ret = bt_ctf_field_unsigned_integer_set_value(magic_field,
- (uint64_t) magic_value);
- }
-
- if (ret) {
- BT_LOGW("Cannot set `magic` integer field's value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value-unsigned=%" PRIu64,
+ BT_LOGW("Cannot set packet header field's `magic` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
stream, bt_ctf_stream_get_name(stream),
magic_field, (uint64_t) magic_value);
} else {
BT_LOGV("Set packet header field's `magic` field's value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value-unsigned=%" PRIu64,
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
stream, bt_ctf_stream_get_name(stream),
magic_field, (uint64_t) magic_value);
}
end:
bt_put(magic_field);
- bt_put(magic_field_type);
return ret;
}
int ret = 0;
int64_t i;
struct bt_ctf_trace *trace = NULL;
- struct bt_ctf_field_type *uuid_field_type = NULL;
- struct bt_ctf_field_type *element_field_type = NULL;
struct bt_ctf_field *uuid_field = bt_ctf_field_structure_get_field(
stream->packet_header, "uuid");
goto end;
}
- if (bt_ctf_field_is_set(uuid_field)) {
- /* Value already set. Not an error, skip. */
- BT_LOGV("Packet header's `uuid` field is already set: skipping: "
- "stream-addr=%p, stream-name=\"%s\"",
- stream, bt_ctf_stream_get_name(stream));
- goto end;
- }
-
- uuid_field_type = bt_ctf_field_get_type(uuid_field);
- assert(uuid_field_type);
- if (bt_ctf_field_type_get_type_id(uuid_field_type) !=
- BT_CTF_FIELD_TYPE_ID_ARRAY) {
- /* UUID field is not an array. Not an error, skip. */
- BT_LOGV("Packet header's `uuid` field's type is not an array field type: skipping: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, ft-addr=%p, ft-id=%s",
- stream, bt_ctf_stream_get_name(stream), uuid_field,
- uuid_field_type,
- bt_ctf_field_type_id_string(uuid_field_type->id));
- goto end;
- }
-
- if (bt_ctf_field_type_array_get_length(uuid_field_type) != 16) {
- /*
- * UUID field is not of the expected size.
- * Not an error, skip.
- */
- BT_LOGV("Packet header's `uuid` array field's type's length is not 16: skipping: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, ft-addr=%p, ft-length=%u",
- stream, bt_ctf_stream_get_name(stream), uuid_field,
- uuid_field_type,
- (unsigned int) bt_ctf_field_type_array_get_length(uuid_field_type));
- goto end;
- }
-
- element_field_type = bt_ctf_field_type_array_get_element_type(
- uuid_field_type);
- assert(element_field_type);
- if (bt_ctf_field_type_get_type_id(element_field_type) !=
- BT_CTF_FIELD_TYPE_ID_INTEGER) {
- /* UUID array elements are not integers. Not an error, skip */
- BT_LOGV("Packet header's `uuid` array field's type's element field type is not an integer field type: skipping: "
- "stream-addr=%p, stream-name=\"%s\", uuid-field-addr=%p, "
- "element-ft-addr=%p, element-ft-id=%s",
- stream, bt_ctf_stream_get_name(stream), uuid_field,
- element_field_type,
- bt_ctf_field_type_id_string(element_field_type->id));
- goto end;
- }
-
trace = (struct bt_ctf_trace *) bt_object_get_parent(stream);
for (i = 0; i < 16; i++) {
struct bt_ctf_field *uuid_element =
bt_ctf_field_array_get_field(uuid_field, i);
- ret = bt_ctf_field_type_integer_get_signed(element_field_type);
- assert(ret >= 0);
-
- if (ret) {
- ret = bt_ctf_field_signed_integer_set_value(
- uuid_element, (int64_t) trace->uuid[i]);
- } else {
- ret = bt_ctf_field_unsigned_integer_set_value(
- uuid_element, (uint64_t) trace->uuid[i]);
- }
+ ret = bt_ctf_field_unsigned_integer_set_value(
+ uuid_element, (uint64_t) trace->uuid[i]);
bt_put(uuid_element);
if (ret) {
BT_LOGW("Cannot set integer field's value (for `uuid` packet header field): "
"stream-addr=%p, stream-name=\"%s\", field-addr=%p, "
- "value-unsigned=%" PRIu64 ", index=%" PRId64,
+ "value=%" PRIu64 ", index=%" PRId64,
stream, bt_ctf_stream_get_name(stream),
uuid_element, (uint64_t) trace->uuid[i], i);
goto end;
end:
bt_put(uuid_field);
- bt_put(uuid_field_type);
- bt_put(element_field_type);
BT_PUT(trace);
return ret;
}
{
int ret = 0;
uint32_t stream_id;
- struct bt_ctf_field_type *stream_id_field_type = NULL;
struct bt_ctf_field *stream_id_field = bt_ctf_field_structure_get_field(
stream->packet_header, "stream_id");
goto end;
}
- if (bt_ctf_field_is_set(stream_id_field)) {
- /* Value already set. Not an error, skip. */
- BT_LOGV("Packet header's `stream_id` field is already set: skipping: "
+ stream_id = stream->stream_class->id;
+ ret = bt_ctf_field_unsigned_integer_set_value(stream_id_field,
+ (uint64_t) stream_id);
+ if (ret) {
+ BT_LOGW("Cannot set packet header field's `stream_id` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ stream_id_field, (uint64_t) stream_id);
+ } else {
+ BT_LOGV("Set packet header field's `stream_id` field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ stream_id_field, (uint64_t) stream_id);
+ }
+
+end:
+ bt_put(stream_id_field);
+ return ret;
+}
+
+static
+int auto_populate_packet_header(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+
+ if (!stream->packet_header) {
+ goto end;
+ }
+
+ ret = set_packet_header_magic(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet header's magic number field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = set_packet_header_uuid(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet header's UUID field: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
goto end;
}
- stream_id_field_type = bt_ctf_field_get_type(stream_id_field);
- assert(stream_id_field_type);
- if (bt_ctf_field_type_get_type_id(stream_id_field_type) !=
- BT_CTF_FIELD_TYPE_ID_INTEGER) {
- /* stream_id field is not an integer. Not an error, skip. */
- BT_LOGV("Packet header's `stream_id` field's type is not an integer field type: skipping: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, ft-addr=%p, ft-id=%s",
- stream, bt_ctf_stream_get_name(stream), stream_id_field,
- stream_id_field_type,
- bt_ctf_field_type_id_string(stream_id_field_type->id));
+ ret = set_packet_header_stream_id(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet header's stream class ID field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
goto end;
}
- stream_id = stream->stream_class->id;
- ret = bt_ctf_field_type_integer_get_signed(stream_id_field_type);
- assert(ret >= 0);
+ BT_LOGV("Automatically populated stream's packet header's known fields: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+
+end:
+ return ret;
+}
+
+static
+int set_packet_context_packet_size(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+ struct bt_ctf_field *field = bt_ctf_field_structure_get_field(
+ stream->packet_context, "packet_size");
+
+ assert(stream);
+
+ if (!field) {
+ /* No packet size field found. Not an error, skip. */
+ BT_LOGV("No field named `packet_size` in packet context: skipping: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = bt_ctf_field_unsigned_integer_set_value(field,
+ stream->pos.packet_size);
if (ret) {
- ret = bt_ctf_field_signed_integer_set_value(stream_id_field,
- (int64_t) stream_id);
+ BT_LOGW("Cannot set packet context field's `packet_size` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ field, stream->pos.packet_size);
} else {
- ret = bt_ctf_field_unsigned_integer_set_value(stream_id_field,
- (uint64_t) stream_id);
+ BT_LOGV("Set packet context field's `packet_size` field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ field, stream->pos.packet_size);
}
+end:
+ bt_put(field);
+ return ret;
+}
+
+static
+int set_packet_context_content_size(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+ struct bt_ctf_field *field = bt_ctf_field_structure_get_field(
+ stream->packet_context, "content_size");
+
+ assert(stream);
+
+ if (!field) {
+ /* No content size field found. Not an error, skip. */
+ BT_LOGV("No field named `content_size` in packet context: skipping: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = bt_ctf_field_unsigned_integer_set_value(field,
+ stream->pos.offset);
if (ret) {
- BT_LOGW("Cannot set `stream_id` integer field's value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value-unsigned=%" PRIu64,
+ BT_LOGW("Cannot set packet context field's `content_size` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRId64,
stream, bt_ctf_stream_get_name(stream),
- stream_id_field, (uint64_t) stream_id);
+ field, stream->pos.offset);
} else {
- BT_LOGV("Set packet header field's `stream_id` field's value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value-unsigned=%" PRIu64,
+ BT_LOGV("Set packet context field's `content_size` field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRId64,
stream, bt_ctf_stream_get_name(stream),
- stream_id_field, (uint64_t) stream_id);
+ field, stream->pos.offset);
}
end:
- bt_put(stream_id_field);
- bt_put(stream_id_field_type);
+ bt_put(field);
return ret;
}
static
-int set_packet_header(struct bt_ctf_stream *stream)
+int set_packet_context_events_discarded(struct bt_ctf_stream *stream)
{
- int ret;
+ int ret = 0;
+ struct bt_ctf_field *field = bt_ctf_field_structure_get_field(
+ stream->packet_context, "events_discarded");
- ret = set_packet_header_magic(stream);
+ assert(stream);
+
+ if (!field) {
+ /* No discarded events count field found. Not an error, skip. */
+ BT_LOGV("No field named `events_discarded` in packet context: skipping: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ /*
+ * If the field is set by the user, make sure that the value is
+ * greater than or equal to the stream's current count of
+ * discarded events. We do not allow wrapping here. If it's
+ * valid, update the stream's current count.
+ */
+ if (bt_ctf_field_is_set(field)) {
+ uint64_t user_val;
+
+ ret = bt_ctf_field_unsigned_integer_get_value(field,
+ &user_val);
+ if (ret) {
+ BT_LOGW("Cannot get packet context `events_discarded` field's unsigned value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p",
+ stream, bt_ctf_stream_get_name(stream), field);
+ goto end;
+ }
+
+ if (user_val < stream->discarded_events) {
+ BT_LOGW("Invalid packet context `events_discarded` field's unsigned value: "
+ "value is lesser than the stream's current discarded events count: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, "
+ "value=%" PRIu64 ", "
+ "stream-discarded-events-count=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream), field,
+ user_val, stream->discarded_events);
+ goto end;
+ }
+
+ stream->discarded_events = user_val;
+ } else {
+ ret = bt_ctf_field_unsigned_integer_set_value(field,
+ stream->discarded_events);
+ if (ret) {
+ BT_LOGW("Cannot set packet context field's `events_discarded` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ field, stream->discarded_events);
+ } else {
+ BT_LOGV("Set packet context field's `events_discarded` field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ stream, bt_ctf_stream_get_name(stream),
+ field, stream->discarded_events);
+ }
+ }
+
+end:
+ bt_put(field);
+ return ret;
+}
+
+static
+int get_event_header_timestamp(struct bt_ctf_stream *stream,
+ struct bt_ctf_field *event_header, uint64_t *timestamp)
+{
+ int ret = 0;
+ struct bt_ctf_field *timestamp_field = NULL;
+ struct bt_ctf_clock_class *ts_field_mapped_clock_class = NULL;
+
+ *timestamp = 0;
+
+ if (!event_header) {
+ BT_LOGV_STR("Event header does not exist.");
+ goto end;
+ }
+
+ timestamp_field = bt_ctf_field_structure_get_field(event_header,
+ "timestamp");
+ if (!timestamp_field) {
+ BT_LOGV("Cannot get event header's `timestamp` field: "
+ "event-header-field-addr=%p", event_header);
+ goto end;
+ }
+
+ if (!bt_ctf_field_type_is_integer(timestamp_field->type)) {
+ BT_LOGV("Event header's `timestamp` field's type is not an integer field type: "
+ "event-header-field-addr=%p", event_header);
+ goto end;
+ }
+
+ ts_field_mapped_clock_class =
+ bt_ctf_field_type_integer_get_mapped_clock_class(
+ timestamp_field->type);
+ if (!ts_field_mapped_clock_class) {
+ BT_LOGV("Event header's `timestamp` field's type is not mapped to a clock class: "
+ "event-header-field-addr=%p", event_header);
+ goto end;
+ }
+
+ if (ts_field_mapped_clock_class !=
+ stream->stream_class->clock->clock_class) {
+ BT_LOGV("Event header's `timestamp` field's type is not mapped to the stream's clock's class: "
+ "event-header-field-addr=%p", event_header);
+ goto end;
+ }
+
+ ret = bt_ctf_field_unsigned_integer_get_value(timestamp_field,
+ timestamp);
if (ret) {
- BT_LOGW("Cannot set packet header's magic number field: "
+ BT_LOGW("Cannot get unsigned integer field's value: "
+ "event-header-field-addr=%p, "
+ "timestamp-field-addr=%p",
+ event_header, timestamp_field);
+ goto end;
+ }
+
+end:
+ bt_put(timestamp_field);
+ bt_put(ts_field_mapped_clock_class);
+ return ret;
+}
+
+static
+int set_packet_context_timestamp_field(struct bt_ctf_stream *stream,
+ const char *field_name, struct bt_ctf_event *event)
+{
+ int ret = 0;
+ struct bt_ctf_field *field = bt_ctf_field_structure_get_field(
+ stream->packet_context, field_name);
+ struct bt_ctf_clock_class *field_mapped_clock_class = NULL;
+ uint64_t ts;
+
+ assert(stream);
+
+ if (!field) {
+ /* No beginning timestamp field found. Not an error, skip. */
+ BT_LOGV("No field named `%s` in packet context: skipping: "
+ "stream-addr=%p, stream-name=\"%s\"", field_name,
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ if (!stream->stream_class->clock) {
+ BT_LOGV("Stream has no clock: skipping: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
goto end;
}
- ret = set_packet_header_uuid(stream);
+ field_mapped_clock_class =
+ bt_ctf_field_type_integer_get_mapped_clock_class(field->type);
+ if (!field_mapped_clock_class) {
+ BT_LOGV("Packet context's `%s` field's type is not mapped to a clock class: skipping: "
+ "stream-addr=%p, stream-name=\"%s\", "
+ "field-addr=%p, ft-addr=%p", field_name,
+ stream, bt_ctf_stream_get_name(stream),
+ field, field->type);
+ goto end;
+ }
+
+ if (field_mapped_clock_class !=
+ stream->stream_class->clock->clock_class) {
+ BT_LOGV("Packet context's `%s` field's type is not mapped to the stream's clock's class: skipping: "
+ "stream-addr=%p, stream-name=\"%s\", "
+ "field-addr=%p, ft-addr=%p, "
+ "ft-mapped-clock-class-addr=%p, "
+ "ft-mapped-clock-class-name=\"%s\", "
+ "stream-clock-class-addr=%p, "
+ "stream-clock-class-name=\"%s\"",
+ field_name,
+ stream, bt_ctf_stream_get_name(stream),
+ field, field->type,
+ field_mapped_clock_class,
+ bt_ctf_clock_class_get_name(field_mapped_clock_class),
+ stream->stream_class->clock->clock_class,
+ bt_ctf_clock_class_get_name(
+ stream->stream_class->clock->clock_class));
+ goto end;
+ }
+
+ if (get_event_header_timestamp(stream, event->event_header, &ts)) {
+ BT_LOGW("Cannot get event's timestamp: "
+ "event-header-field-addr=%p",
+ event->event_header);
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_unsigned_integer_set_value(field, ts);
if (ret) {
- BT_LOGW("Cannot set packet header's UUID field: "
+ BT_LOGW("Cannot set packet context field's `%s` integer field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ field_name, stream, bt_ctf_stream_get_name(stream),
+ field, stream->discarded_events);
+ } else {
+ BT_LOGV("Set packet context field's `%s` field's value: "
+ "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64,
+ field_name, stream, bt_ctf_stream_get_name(stream),
+ field, stream->discarded_events);
+ }
+
+end:
+ bt_put(field);
+ bt_put(field_mapped_clock_class);
+ return ret;
+}
+
+static
+int set_packet_context_timestamp_begin(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+
+ if (stream->events->len == 0) {
+ BT_LOGV("Current packet contains no events: skipping: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
goto end;
}
- ret = set_packet_header_stream_id(stream);
+ ret = set_packet_context_timestamp_field(stream, "timestamp_begin",
+ g_ptr_array_index(stream->events, 0));
+
+end:
+ return ret;
+}
+
+static
+int set_packet_context_timestamp_end(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+
+ if (stream->events->len == 0) {
+ BT_LOGV("Current packet contains no events: skipping: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = set_packet_context_timestamp_field(stream, "timestamp_end",
+ g_ptr_array_index(stream->events, stream->events->len - 1));
+
+end:
+ return ret;
+}
+
+static
+int auto_populate_packet_context(struct bt_ctf_stream *stream)
+{
+ int ret = 0;
+
+ if (!stream->packet_context) {
+ goto end;
+ }
+
+ ret = set_packet_context_packet_size(stream);
if (ret) {
- BT_LOGW("Cannot set packet header's stream class ID field: "
+ BT_LOGW("Cannot set packet context's packet size field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = set_packet_context_content_size(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet context's content size field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = set_packet_context_timestamp_begin(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet context's beginning timestamp field: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
goto end;
}
- BT_LOGV("Set packet header's known fields's values: "
+ ret = set_packet_context_timestamp_end(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet context's end timestamp field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ ret = set_packet_context_events_discarded(stream);
+ if (ret) {
+ BT_LOGW("Cannot set packet context's discarded events count field: "
+ "stream-addr=%p, stream-name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ goto end;
+ }
+
+ BT_LOGV("Automatically populated stream's packet context's known fields: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
g_string_printf(filename, "stream_%" PRId64, ret);
}
- g_string_append_printf(filename, "_%" PRIu32, stream->id);
+ g_string_append_printf(filename, "_%" PRId64, stream->id);
fd = openat(writer->trace_dir_fd, filename->str,
O_RDWR | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
if (fd < 0) {
- BT_LOGW("Failed to open stream file for writing: "
- "writer-trace-dir-fd=%d, filename=\"%s\"",
- writer->trace_dir_fd, filename->str);
+ BT_LOGW("Failed to open stream file for writing: %s: "
+ "writer-trace-dir-fd=%d, filename=\"%s\", "
+ "ret=%d, errno=%d", strerror(errno),
+ writer->trace_dir_fd, filename->str, fd, errno);
goto end;
}
g_hash_table_remove(stream->comp_cur_port, component);
}
-struct bt_ctf_stream *bt_ctf_stream_create(
+static
+struct bt_ctf_stream *bt_ctf_stream_create_with_id_no_check(
struct bt_ctf_stream_class *stream_class,
- const char *name)
+ const char *name, uint64_t id)
{
int ret;
struct bt_ctf_stream *stream = NULL;
}
BT_LOGD("Creating stream object: stream-class-addr=%p, "
- "stream-class-name=\"%s\", stream-name=\"%s\"",
+ "stream-class-name=\"%s\", stream-name=\"%s\", "
+ "stream-id=%" PRIu64,
stream_class, bt_ctf_stream_class_get_name(stream_class),
- name);
- trace = bt_ctf_stream_class_get_trace(stream_class);
+ name, id);
+ trace = bt_ctf_stream_class_borrow_trace(stream_class);
if (!trace) {
BT_LOGW("Invalid parameter: cannot create stream from a stream class which is not part of trace: "
- "stream-class-name=\"%s\", stream-class-name=\"%s\"",
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-name=\"%s\"",
stream_class, bt_ctf_stream_class_get_name(stream_class),
name);
goto error;
* no more can be added, and each object is also frozen.
*/
BT_LOGW("Invalid parameter: cannot create stream from a stream class which is part of a static trace: "
- "stream-class-name=\"%s\", stream-class-name=\"%s\", "
- "trace-addr=%p",
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-name=\"%s\", trace-addr=%p",
stream_class, bt_ctf_stream_class_get_name(stream_class),
- name, trace);;
+ name, trace);
goto error;
}
+ if (id != -1ULL) {
+ /*
+ * Validate that the given ID is unique amongst all the
+ * existing trace's streams created from the same stream
+ * class.
+ */
+ size_t i;
+
+ for (i = 0; i < trace->streams->len; i++) {
+ struct bt_ctf_stream *trace_stream =
+ g_ptr_array_index(trace->streams, i);
+
+ if (trace_stream->stream_class != stream_class) {
+ continue;
+ }
+
+ if (trace_stream->id == id) {
+ BT_LOGW_STR("Invalid parameter: another stream in the same trace already has this ID.");
+ goto error;
+ }
+ }
+ }
+
stream = g_new0(struct bt_ctf_stream, 1);
if (!stream) {
BT_LOGE_STR("Failed to allocate one stream.");
* reachable; it needs its parent to remain valid.
*/
bt_object_set_parent(stream, trace);
- stream->id = stream_class->next_stream_id++;
stream->stream_class = stream_class;
stream->pos.fd = -1;
+ stream->id = (int64_t) id;
stream->destroy_listeners = g_array_new(FALSE, TRUE,
sizeof(struct bt_ctf_stream_destroy_listener));
if (trace->is_created_by_writer) {
int fd;
- writer = (struct bt_ctf_writer *)
- bt_object_get_parent(trace);
+ writer = (struct bt_ctf_writer *) bt_object_get_parent(trace);
+ stream->id = (int64_t) stream_class->next_stream_id++;
BT_LOGD("Stream object belongs to a writer's trace: "
"writer-addr=%p", writer);
-
assert(writer);
+
if (stream_class->packet_context_type) {
BT_LOGD("Creating stream's packet context field: "
"ft-addr=%p", stream_class->packet_context_type);
/* Initialize events_discarded */
ret = try_set_structure_field_integer(
stream->packet_context, "events_discarded", 0);
- if (ret != 1) {
+ if (ret < 0) {
BT_LOGW("Cannot set `events_discarded` field in packet context: "
"ret=%d, packet-context-field-addr=%p",
ret, stream->packet_context);
goto error;
}
- /* A trace is not allowed to have a NULL packet header */
- assert(trace->packet_header_type);
- BT_LOGD("Creating stream's packet header field: "
- "ft-addr=%p", trace->packet_header_type);
- stream->packet_header =
- bt_ctf_field_create(trace->packet_header_type);
- if (!stream->packet_header) {
- BT_LOGW_STR("Cannot create stream's packet header field.");
- goto error;
+ if (trace->packet_header_type) {
+ BT_LOGD("Creating stream's packet header field: "
+ "ft-addr=%p", trace->packet_header_type);
+ stream->packet_header =
+ bt_ctf_field_create(trace->packet_header_type);
+ if (!stream->packet_header) {
+ BT_LOGW_STR("Cannot create stream's packet header field.");
+ goto error;
+ }
}
/*
* make sure to set the trace packet header fields himself
* before flushing.
*/
- ret = set_packet_header(stream);
+ ret = auto_populate_packet_header(stream);
if (ret) {
- BT_LOGW_STR("Cannot populate the stream's packet header.");
+ BT_LOGW_STR("Cannot automatically populate the stream's packet header.");
goto error;
}
goto error;
}
- set_stream_fd(stream, fd);
+ set_stream_fd(stream, fd);
+
+ /* Freeze the writer */
+ BT_LOGD_STR("Freezing stream's CTF writer.");
+ bt_ctf_writer_freeze(writer);
+ } else {
+ /* Non-writer stream indicated by a negative FD */
+ set_stream_fd(stream, -1);
+ stream->comp_cur_port = g_hash_table_new(g_direct_hash,
+ g_direct_equal);
+ if (!stream->comp_cur_port) {
+ BT_LOGE_STR("Failed to allocate a GHashTable.");
+ goto error;
+ }
+ }
+
+ /* Add this stream to the trace's streams */
+ g_ptr_array_add(trace->streams, stream);
+ BT_LOGD("Created stream object: addr=%p", stream);
+ goto end;
+
+error:
+ BT_PUT(stream);
+
+end:
+ bt_put(writer);
+ return stream;
+}
+
+struct bt_ctf_stream *bt_ctf_stream_create_with_id(
+ struct bt_ctf_stream_class *stream_class,
+ const char *name, uint64_t id_param)
+{
+ struct bt_ctf_trace *trace;
+ struct bt_ctf_stream *stream = NULL;
+ int64_t id = (int64_t) id_param;
+
+ if (!stream_class) {
+ BT_LOGW_STR("Invalid parameter: stream class is NULL.");
+ goto end;
+ }
+
+ if (id < 0) {
+ BT_LOGW("Invalid parameter: invalid stream's ID: "
+ "name=\"%s\", id=%" PRIu64,
+ name, id_param);
+ goto end;
+ }
+
+ trace = bt_ctf_stream_class_borrow_trace(stream_class);
+ if (!trace) {
+ BT_LOGW("Invalid parameter: cannot create stream from a stream class which is not part of trace: "
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-name=\"%s\", stream-id=%" PRIu64,
+ stream_class, bt_ctf_stream_class_get_name(stream_class),
+ name, id_param);
+ goto end;
+ }
- /* Freeze the writer */
- BT_LOGD_STR("Freezing stream's CTF writer.");
- bt_ctf_writer_freeze(writer);
- } else {
- /* Non-writer stream indicated by a negative FD */
- set_stream_fd(stream, -1);
- stream->comp_cur_port = g_hash_table_new(g_direct_hash,
- g_direct_equal);
- if (!stream->comp_cur_port) {
- BT_LOGE_STR("Failed to allocate a GHashTable.");
- goto error;
- }
+ if (trace->is_created_by_writer) {
+ BT_LOGW("Invalid parameter: cannot create a CTF writer stream with this function; use bt_ctf_stream_create(): "
+ "stream-class-addr=%p, stream-class-name=\"%s\", "
+ "stream-name=\"%s\", stream-id=%" PRIu64,
+ stream_class, bt_ctf_stream_class_get_name(stream_class),
+ name, id_param);
+ goto end;
}
- /* Add this stream to the trace's streams */
- g_ptr_array_add(trace->streams, stream);
+ stream = bt_ctf_stream_create_with_id_no_check(stream_class,
+ name, id_param);
- BT_PUT(trace);
- BT_PUT(writer);
- BT_LOGD("Created stream object: addr=%p", stream);
- return stream;
-error:
- BT_PUT(stream);
- BT_PUT(trace);
- BT_PUT(writer);
+end:
return stream;
}
+struct bt_ctf_stream *bt_ctf_stream_create(
+ struct bt_ctf_stream_class *stream_class,
+ const char *name)
+{
+ return bt_ctf_stream_create_with_id_no_check(stream_class,
+ name, -1ULL);
+}
+
struct bt_ctf_stream_class *bt_ctf_stream_get_class(
struct bt_ctf_stream *stream)
{
int bt_ctf_stream_get_discarded_events_count(
struct bt_ctf_stream *stream, uint64_t *count)
{
- int64_t ret = 0;
- int field_signed;
- struct bt_ctf_field *events_discarded_field = NULL;
- struct bt_ctf_field_type *events_discarded_field_type = NULL;
+ int ret = 0;
if (!stream) {
BT_LOGW_STR("Invalid parameter: stream is NULL.");
goto end;
}
- if (!stream->packet_context) {
- /* Not an error */
- BT_LOGV("Stream has no packet context field: "
+ if (stream->pos.fd < 0) {
+ BT_LOGW("Invalid parameter: stream is not a CTF writer stream: "
"stream-addr=%p, stream-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream));
ret = -1;
goto end;
}
- if (stream->pos.fd < 0) {
- BT_LOGW("Invalid parameter: stream is not a CTF writer stream: "
- "stream-addr=%p, stream-name=\"%s\"",
- stream, bt_ctf_stream_get_name(stream));
- ret = -1;
+ *count = (uint64_t) stream->discarded_events;
+
+end:
+ return ret;
+}
+
+static
+int set_packet_context_events_discarded_field(struct bt_ctf_stream *stream,
+ uint64_t count)
+{
+ int ret = 0;
+ struct bt_ctf_field *events_discarded_field = NULL;
+
+ if (!stream->packet_context) {
goto end;
}
events_discarded_field = bt_ctf_field_structure_get_field(
stream->packet_context, "events_discarded");
if (!events_discarded_field) {
- BT_LOGW("Cannot get packet context's `events_discarded` field: "
- "stream-addr=%p, stream-name=\"%s\", "
- "packet-context-field-addr=%p",
- stream, bt_ctf_stream_get_name(stream),
- stream->packet_context);
- ret = -1;
goto end;
}
- events_discarded_field_type = bt_ctf_field_get_type(
- events_discarded_field);
- assert(events_discarded_field_type);
- field_signed = bt_ctf_field_type_integer_get_signed(
- events_discarded_field_type);
- assert(field_signed >= 0);
-
- if (field_signed) {
- int64_t signed_count;
-
- ret = bt_ctf_field_signed_integer_get_value(
- events_discarded_field, &signed_count);
- if (ret) {
- BT_LOGW("Cannot get packet context's `events_discarded` field value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p",
- stream, bt_ctf_stream_get_name(stream),
- events_discarded_field);
- goto end;
- }
- if (signed_count < 0) {
- /* Invalid value */
- BT_LOGW("Invalid value for packet context's `events_discarded` field: must be zero or positive: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p, "
- "value=%" PRId64, stream,
- bt_ctf_stream_get_name(stream),
- events_discarded_field, signed_count);
- ret = -1;
- goto end;
- }
- *count = (uint64_t) signed_count;
- } else {
- ret = bt_ctf_field_unsigned_integer_get_value(
+ ret = bt_ctf_field_unsigned_integer_set_value(
+ events_discarded_field, count);
+ if (ret) {
+ BT_LOGW("Cannot set packet context's `events_discarded` field: "
+ "field-addr=%p, value=%" PRIu64,
events_discarded_field, count);
- if (ret) {
- BT_LOGW("Cannot get packet context's `events_discarded` field value: "
- "stream-addr=%p, stream-name=\"%s\", field-addr=%p",
- stream, bt_ctf_stream_get_name(stream),
- events_discarded_field);
- goto end;
- }
+ goto end;
}
+
end:
bt_put(events_discarded_field);
- bt_put(events_discarded_field_type);
return ret;
}
uint64_t event_count)
{
int ret;
- int field_signed;
- uint64_t previous_count;
uint64_t new_count;
struct bt_ctf_field *events_discarded_field = NULL;
- struct bt_ctf_field_type *events_discarded_field_type = NULL;
if (!stream) {
BT_LOGW_STR("Invalid parameter: stream is NULL.");
goto end;
}
- ret = bt_ctf_stream_get_discarded_events_count(stream,
- &previous_count);
- if (ret) {
- BT_LOGW_STR("Cannot get stream's number of discarded events.");
- goto end;
- }
-
events_discarded_field = bt_ctf_field_structure_get_field(
stream->packet_context, "events_discarded");
if (!events_discarded_field) {
- BT_LOGW_STR("No field named `events_discarded` in packet context.");
+ BT_LOGW_STR("No field named `events_discarded` in stream's packet context.");
goto end;
}
- events_discarded_field_type = bt_ctf_field_get_type(
- events_discarded_field);
- assert(events_discarded_field_type);
- field_signed = bt_ctf_field_type_integer_get_signed(
- events_discarded_field_type);
- assert(field_signed >= 0);
- new_count = previous_count + event_count;
- assert(new_count >= previous_count);
- if (field_signed) {
- ret = bt_ctf_field_signed_integer_set_value(
- events_discarded_field, (int64_t) new_count);
- if (ret) {
- BT_LOGW("Cannot set packet context's `events_discarded` field: "
- "field-addr=%p, value=%" PRId64,
- events_discarded_field, (int64_t) new_count);
- goto end;
- }
- } else {
- ret = bt_ctf_field_unsigned_integer_set_value(
- events_discarded_field, new_count);
- if (ret) {
- BT_LOGW("Cannot set packet context's `events_discarded` field: "
- "field-addr=%p, value=%" PRIu64,
- events_discarded_field, new_count);
- goto end;
- }
+ new_count = stream->discarded_events + event_count;
+ if (new_count < stream->discarded_events) {
+ BT_LOGW("New discarded events count is less than the stream's current discarded events count: "
+ "cur-count=%" PRIu64 ", new-count=%" PRIu64,
+ stream->discarded_events, new_count);
+ goto end;
+ }
+
+ ret = set_packet_context_events_discarded_field(stream, new_count);
+ if (ret) {
+ /* set_packet_context_events_discarded_field() logs errors */
+ goto end;
}
+ stream->discarded_events = new_count;
BT_LOGV("Appended discarded events to stream: "
"stream-addr=%p, stream-name=\"%s\", append-count=%" PRIu64,
stream, bt_ctf_stream_get_name(stream), event_count);
-
end:
bt_put(events_discarded_field);
- bt_put(events_discarded_field_type);
}
static int auto_populate_event_header(struct bt_ctf_stream *stream,
goto end;
}
- BT_LOGV("Automatically populating event header field: "
+ BT_LOGV("Automatically populating event's header field: "
"stream-addr=%p, stream-name=\"%s\", event-addr=%p",
stream, bt_ctf_stream_get_name(stream), event);
- /*
- * The condition to automatically set the ID are:
- *
- * 1. The event header field "id" exists and is an integer
- * field.
- * 2. The event header field "id" is NOT set.
- */
id_field = bt_ctf_field_structure_get_field(event->event_header, "id");
event_class_id = (uint64_t) bt_ctf_event_class_get_id(event->event_class);
assert(event_class_id >= 0);
- if (id_field && !bt_ctf_field_is_set(id_field)) {
+ if (id_field && bt_ctf_field_type_is_integer(id_field->type)) {
ret = set_integer_field_value(id_field, event_class_id);
if (ret) {
BT_LOGW("Cannot set event header's `id` field's value: "
* 3. The event header field "timestamp" has its type mapped to
* a clock class which is also the clock class of this
* stream's class's registered clock.
- * 4. The event header field "timestamp" is NOT set.
*/
timestamp_field = bt_ctf_field_structure_get_field(event->event_header,
"timestamp");
- if (timestamp_field && !bt_ctf_field_is_set(timestamp_field) &&
- stream->stream_class->clock) {
+ if (timestamp_field && stream->stream_class->clock &&
+ bt_ctf_field_type_is_integer(timestamp_field->type)) {
struct bt_ctf_clock_class *stream_class_clock_class =
stream->stream_class->clock->clock_class;
- struct bt_ctf_field_type *timestamp_field_type =
- bt_ctf_field_get_type(timestamp_field);
- assert(timestamp_field_type);
mapped_clock_class =
bt_ctf_field_type_integer_get_mapped_clock_class(
- timestamp_field_type);
- BT_PUT(timestamp_field_type);
+ timestamp_field->type);
if (mapped_clock_class == stream_class_clock_class) {
uint64_t timestamp;
}
}
- BT_LOGV("Automatically populated event header field: "
+ BT_LOGV("Automatically populated event's header field: "
"stream-addr=%p, stream-name=\"%s\", event-addr=%p",
stream, bt_ctf_stream_get_name(stream), event);
}
trace = (struct bt_ctf_trace *) bt_object_get_parent(stream);
+
+ if (!field) {
+ if (trace->packet_header_type) {
+ BT_LOGW("Invalid parameter: setting no packet header but packet header field type is not NULL: "
+ "stream-addr=%p, stream-name=\"%s\", "
+ "packet-header-field-addr=%p, "
+ "expected-ft-addr=%p",
+ stream, bt_ctf_stream_get_name(stream),
+ field, trace->packet_header_type);
+ ret = -1;
+ goto end;
+ }
+
+ goto skip_validation;
+ }
+
field_type = bt_ctf_field_get_type(field);
+ assert(field_type);
+
if (bt_ctf_field_type_compare(field_type, trace->packet_header_type)) {
BT_LOGW("Invalid parameter: packet header's field type is different from the stream's packet header field type: "
"stream-addr=%p, stream-name=\"%s\", "
goto end;
}
+skip_validation:
bt_put(stream->packet_header);
stream->packet_header = bt_get(field);
BT_LOGV("Set stream's packet header field: "
return ret;
}
-static
-int get_event_header_timestamp(struct bt_ctf_field *event_header, uint64_t *timestamp)
-{
- int ret = 0;
- struct bt_ctf_field *timestamp_field = NULL;
- struct bt_ctf_field_type *timestamp_field_type = NULL;
-
- timestamp_field = bt_ctf_field_structure_get_field(event_header,
- "timestamp");
- if (!timestamp_field) {
- BT_LOGV("Cannot get event header's `timestamp` field: "
- "field-addr=%p", timestamp_field);
- ret = -1;
- goto end;
- }
-
- timestamp_field_type = bt_ctf_field_get_type(timestamp_field);
- assert(timestamp_field_type);
- if (bt_ctf_field_type_get_type_id(timestamp_field_type) !=
- BT_CTF_FIELD_TYPE_ID_INTEGER) {
- BT_LOGW("Invalid event header: `timestamp` field's type is not an integer field type: "
- "event-header-field-addr=%p, "
- "timestamp-field-addr=%p, timestamp-ft-addr=%p, "
- "timestamp-ft-id=%s",
- event_header, timestamp_field, timestamp_field_type,
- bt_ctf_field_type_id_string(timestamp_field_type->id));
- ret = -1;
- goto end;
- }
-
- if (bt_ctf_field_type_integer_get_signed(timestamp_field_type)) {
- int64_t val;
-
- ret = bt_ctf_field_signed_integer_get_value(timestamp_field,
- &val);
- if (ret) {
- BT_LOGW("Cannot get signed integer field's value: "
- "event-header-field-addr=%p, "
- "timestamp-field-addr=%p",
- event_header, timestamp_field);
- goto end;
- }
- *timestamp = (uint64_t) val;
- } else {
- ret = bt_ctf_field_unsigned_integer_get_value(timestamp_field,
- timestamp);
- if (ret) {
- BT_LOGW("Cannot get unsigned integer field's value: "
- "event-header-field-addr=%p, "
- "timestamp-field-addr=%p",
- event_header, timestamp_field);
- goto end;
- }
- }
-end:
- bt_put(timestamp_field);
- bt_put(timestamp_field_type);
- return ret;
-}
-
static
void reset_structure_field(struct bt_ctf_field *structure, const char *name)
{
struct bt_ctf_field *member;
member = bt_ctf_field_structure_get_field(structure, name);
- assert(member);
- (void) bt_ctf_field_reset(member);
- bt_put(member);
+ if (member) {
+ (void) bt_ctf_field_reset(member);
+ bt_put(member);
+ }
}
int bt_ctf_stream_flush(struct bt_ctf_stream *stream)
{
int ret = 0;
size_t i;
- uint64_t timestamp_begin, timestamp_end;
- struct bt_ctf_field *integer = NULL;
struct bt_ctf_stream_pos packet_context_pos;
struct bt_ctf_trace *trace;
enum bt_ctf_byte_order native_byte_order;
- bt_bool empty_packet;
- uint64_t packet_size_bits;
- struct {
- bt_bool timestamp_begin;
- bt_bool timestamp_end;
- bt_bool content_size;
- bt_bool packet_size;
- } auto_set_fields = { 0 };
+ bool has_packet_size = false;
if (!stream) {
BT_LOGW_STR("Invalid parameter: stream is NULL.");
goto end;
}
- if (!stream->packet_context && stream->flushed_packet_count > 0) {
- /*
- * A stream without a packet context, and thus without
- * content and packet size members, can't have more than
- * one packet.
- */
- BT_LOGW_STR("Cannot flush a stream which has no packet context field more than once.");
- ret = -1;
- goto end;
+ if (stream->packet_context) {
+ struct bt_ctf_field *packet_size_field;
+
+ packet_size_field = bt_ctf_field_structure_get_field(
+ stream->packet_context, "packet_size");
+ has_packet_size = (packet_size_field != NULL);
+ bt_put(packet_size_field);
+ }
+
+ if (stream->flushed_packet_count == 1) {
+ if (!stream->packet_context) {
+ BT_LOGW_STR("Cannot flush a stream which has no packet context field more than once.");
+ ret = -1;
+ goto end;
+ }
+
+ if (!has_packet_size) {
+ BT_LOGW_STR("Cannot flush a stream which has no packet context's `packet_size` field more than once.");
+ ret = -1;
+ goto end;
+ }
}
BT_LOGV("Flushing stream's current packet: stream-addr=%p, "
trace = bt_ctf_stream_class_borrow_trace(stream->stream_class);
assert(trace);
native_byte_order = bt_ctf_trace_get_native_byte_order(trace);
- empty_packet = (stream->events->len == 0);
- /* mmap the next packet */
- BT_LOGV("Seeking to the next packet: pos-offset=%" PRId64,
- stream->pos.offset);
- bt_ctf_stream_pos_packet_seek(&stream->pos, 0, SEEK_CUR);
- BT_LOGV_STR("Serializing packet header field.");
- ret = bt_ctf_field_serialize(stream->packet_header, &stream->pos,
- native_byte_order);
+ ret = auto_populate_packet_header(stream);
if (ret) {
- BT_LOGE("Cannot serialize stream's packet header field: "
- "field-addr=%p", stream->packet_header);
+ BT_LOGW_STR("Cannot automatically populate the stream's packet header field.");
+ ret = -1;
goto end;
}
- if (stream->packet_context) {
- /* Set the default context attributes if present and unset. */
- if (!empty_packet && !get_event_header_timestamp(
- ((struct bt_ctf_event *) g_ptr_array_index(
- stream->events, 0))->event_header, ×tamp_begin)) {
- ret = try_set_structure_field_integer(
- stream->packet_context,
- "timestamp_begin", timestamp_begin);
- if (ret < 0) {
- BT_LOGW("Cannot set `timestamp_begin` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
- goto end;
- }
- auto_set_fields.timestamp_begin = ret == 1;
- }
-
- if (!empty_packet && !get_event_header_timestamp(
- ((struct bt_ctf_event *) g_ptr_array_index(
- stream->events, stream->events->len - 1))->event_header,
- ×tamp_end)) {
+ ret = auto_populate_packet_context(stream);
+ if (ret) {
+ BT_LOGW_STR("Cannot automatically populate the stream's packet context field.");
+ ret = -1;
+ goto end;
+ }
- ret = try_set_structure_field_integer(
- stream->packet_context,
- "timestamp_end", timestamp_end);
- if (ret < 0) {
- BT_LOGW("Cannot set `timestamp_end` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
- goto end;
- }
- auto_set_fields.timestamp_end = ret == 1;
- }
- ret = try_set_structure_field_integer(stream->packet_context,
- "content_size", UINT64_MAX);
- if (ret < 0) {
- BT_LOGW("Cannot set `content_size` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
- goto end;
- }
- auto_set_fields.content_size = ret == 1;
+ /* mmap the next packet */
+ BT_LOGV("Seeking to the next packet: pos-offset=%" PRId64,
+ stream->pos.offset);
+ bt_ctf_stream_pos_packet_seek(&stream->pos, 0, SEEK_CUR);
+ assert(stream->pos.packet_size % 8 == 0);
- ret = try_set_structure_field_integer(stream->packet_context,
- "packet_size", UINT64_MAX);
- if (ret < 0) {
- BT_LOGW("Cannot set `packet_size` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
+ if (stream->packet_header) {
+ BT_LOGV_STR("Serializing packet header field.");
+ ret = bt_ctf_field_serialize(stream->packet_header, &stream->pos,
+ native_byte_order);
+ if (ret) {
+ BT_LOGW("Cannot serialize stream's packet header field: "
+ "field-addr=%p", stream->packet_header);
goto end;
}
- auto_set_fields.packet_size = ret == 1;
+ }
+ if (stream->packet_context) {
/* Write packet context */
memcpy(&packet_context_pos, &stream->pos,
sizeof(packet_context_pos));
ret = bt_ctf_field_serialize(stream->packet_context,
&stream->pos, native_byte_order);
if (ret) {
- BT_LOGE("Cannot serialize stream's packet context field: "
+ BT_LOGW("Cannot serialize stream's packet context field: "
"field-addr=%p", stream->packet_context);
goto end;
}
struct bt_ctf_event_class *event_class =
bt_ctf_event_borrow_event_class(event);
- BT_LOGV("Serializing event: index=%u, event-addr=%p, "
+ BT_LOGV("Serializing event: index=%zu, event-addr=%p, "
"event-class-name=\"%s\", event-class-id=%" PRId64 ", "
"pos-offset=%" PRId64 ", packet-size=%" PRIu64,
i, event, bt_ctf_event_class_get_name(event_class),
ret = bt_ctf_field_serialize(event->event_header,
&stream->pos, native_byte_order);
if (ret) {
- BT_LOGE("Cannot serialize event's header field: "
+ BT_LOGW("Cannot serialize event's header field: "
"field-addr=%p", event->event_header);
goto end;
}
event->stream_event_context, &stream->pos,
native_byte_order);
if (ret) {
- BT_LOGE("Cannot serialize event's stream event context field: "
+ BT_LOGW("Cannot serialize event's stream event context field: "
"field-addr=%p", event->stream_event_context);
goto end;
}
}
}
- /* Rounded-up in case content_size is not byte-aligned. */
- packet_size_bits = (stream->pos.offset + (CHAR_BIT - 1)) &
- ~(CHAR_BIT - 1);
- stream->pos.packet_size = packet_size_bits;
+ if (!has_packet_size && stream->pos.offset % 8 != 0) {
+ BT_LOGW("Stream's packet context field type has no `packet_size` field, "
+ "but current content size is not a multiple of 8 bits: "
+ "content-size=%" PRId64 ", "
+ "packet-size=%" PRIu64,
+ stream->pos.offset,
+ stream->pos.packet_size);
+ ret = -1;
+ goto end;
+ }
+
+ assert(stream->pos.packet_size % 8 == 0);
+
+ /*
+ * Remove extra padding bytes.
+ */
+ stream->pos.packet_size = (stream->pos.offset + 7) & ~7;
if (stream->packet_context) {
/*
- * Update the packet total size and content size and overwrite
- * the packet context.
- * Copy base_mma as the packet may have been remapped (e.g. when
- * a packet is resized).
+ * The whole packet is serialized at this point. Make sure that,
+ * if `packet_size` is missing, the current content size is
+ * equal to the current packet size.
*/
- packet_context_pos.base_mma = stream->pos.base_mma;
- if (auto_set_fields.content_size) {
- ret = set_structure_field_integer(
- stream->packet_context,
- "content_size", stream->pos.offset);
- if (ret < 0) {
- BT_LOGW("Cannot set `content_size` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
+ struct bt_ctf_field *field = bt_ctf_field_structure_get_field(
+ stream->packet_context, "content_size");
+
+ bt_put(field);
+ if (!field) {
+ if (stream->pos.offset != stream->pos.packet_size) {
+ BT_LOGW("Stream's packet context's `content_size` field is missing, "
+ "but current packet's content size is not equal to its packet size: "
+ "content-size=%" PRId64 ", "
+ "packet-size=%" PRIu64,
+ stream->pos.offset,
+ stream->pos.packet_size);
+ ret = -1;
goto end;
}
}
- if (auto_set_fields.packet_size) {
- ret = set_structure_field_integer(stream->packet_context,
- "packet_size", packet_size_bits);
- if (ret < 0) {
- BT_LOGW("Cannot set `packet_size` field in packet context: "
- "ret=%d, packet-context-field-addr=%p",
- ret, stream->packet_context);
- goto end;
- }
+ /*
+ * Overwrite the packet context now that the stream
+ * position's packet and content sizes have the correct
+ * values.
+ *
+ * Copy base_mma as the packet may have been remapped
+ * (e.g. when a packet is resized).
+ */
+ packet_context_pos.base_mma = stream->pos.base_mma;
+ ret = auto_populate_packet_context(stream);
+ if (ret) {
+ BT_LOGW_STR("Cannot automatically populate the stream's packet context field.");
+ ret = -1;
+ goto end;
}
BT_LOGV("Rewriting (serializing) packet context field.");
ret = bt_ctf_field_serialize(stream->packet_context,
&packet_context_pos, native_byte_order);
if (ret) {
- BT_LOGE("Cannot serialize stream's packet context field: "
+ BT_LOGW("Cannot serialize stream's packet context field: "
"field-addr=%p", stream->packet_context);
goto end;
}
g_ptr_array_set_size(stream->events, 0);
stream->flushed_packet_count++;
- stream->size += packet_size_bits / CHAR_BIT;
+ stream->size += stream->pos.packet_size / CHAR_BIT;
+
+ do {
+ ret = ftruncate(stream->pos.fd, stream->size);
+ } while (ret == -1 && errno == EINTR);
+ if (ret == -1) {
+ BT_LOGE_ERRNO("Cannot ftruncate() stream file to new size",
+ "size = %" PRIu64 ", name = %s",
+ stream->size,
+ stream->name ? stream->name->str : "(null)");
+ }
+
end:
/* Reset automatically-set fields. */
- if (auto_set_fields.timestamp_begin) {
- reset_structure_field(stream->packet_context,
- "timestamp_begin");
- }
- if (auto_set_fields.timestamp_end) {
- reset_structure_field(stream->packet_context,
- "timestamp_end");
- }
- if (auto_set_fields.packet_size) {
- reset_structure_field(stream->packet_context,
- "packet_size");
- }
- if (auto_set_fields.content_size) {
- reset_structure_field(stream->packet_context,
- "content_size");
+ if (stream->packet_context) {
+ reset_structure_field(stream->packet_context, "timestamp_begin");
+ reset_structure_field(stream->packet_context, "timestamp_end");
+ reset_structure_field(stream->packet_context, "packet_size");
+ reset_structure_field(stream->packet_context, "content_size");
+ reset_structure_field(stream->packet_context, "events_discarded");
}
- bt_put(integer);
if (ret < 0) {
/*
*/
stream->pos.packet_size = 0;
} else {
- BT_LOGV("Flushed stream's current packet: packet-size=%" PRIu64,
- packet_size_bits);
+ BT_LOGV("Flushed stream's current packet: content-size=%" PRId64 ", "
+ "packet-size=%" PRIu64,
+ stream->pos.offset, stream->pos.packet_size);
}
return ret;
}
return ret;
}
-static
-int set_structure_field_integer(struct bt_ctf_field *structure, char *name,
- uint64_t value)
-{
- return _set_structure_field_integer(structure, name, value, BT_TRUE);
-}
-
/*
* Returns the following codes:
* 1 if the field was found and set,
* listener so that we remove this hash table entry when we know
* the component is destroyed.
*/
- bt_component_add_destroy_listener(comp, component_destroy_listener,
- stream);
- g_hash_table_insert(stream->comp_cur_port, comp, port);
- BT_LOGV("Mapped component to port for stream: stream-addr=%p, "
- "stream-name=\"%s\", comp-addr=%p, comp-name=\"%s\", "
- "port-addr=%p, port-name=\"%s\"",
+ BT_LOGV("Adding component's destroy listener for stream: "
+ "stream-addr=%p, stream-name=\"%s\", comp-addr=%p, "
+ "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
stream, bt_ctf_stream_get_name(stream),
comp, bt_component_get_name(comp), port,
bt_port_get_name(port));
+ bt_component_add_destroy_listener(comp, component_destroy_listener,
+ stream);
+ g_hash_table_insert(stream->comp_cur_port, comp, port);
+ BT_LOGV_STR("Mapped component to port for stream.");
}
BT_HIDDEN
}
}
}
+
+int64_t bt_ctf_stream_get_id(struct bt_ctf_stream *stream)
+{
+ int64_t ret;
+
+ if (!stream) {
+ BT_LOGW_STR("Invalid parameter: stream is NULL.");
+ ret = (int64_t) -1;
+ goto end;
+ }
+
+ ret = stream->id;
+ if (ret < 0) {
+ BT_LOGV("Stream's ID is not set: addr=%p, name=\"%s\"",
+ stream, bt_ctf_stream_get_name(stream));
+ }
+
+end:
+ return ret;
+}
projects / babeltrace.git / blobdiff