/* Current packet (NULL if not created yet) */
struct bt_ctf_packet *packet;
+ /* Current stream (NULL if not set yet) */
+ struct bt_ctf_stream *stream;
+
/*
* Current timestamp_end field (to consider before switching packets).
*/
BT_PUT(notit->meta.stream_class);
BT_PUT(notit->meta.event_class);
BT_PUT(notit->packet);
+ BT_PUT(notit->stream);
put_all_dscopes(notit);
notit->buf.addr = NULL;
notit->buf.sz = 0;
struct bt_ctf_field *int_field)
{
gboolean clock_class_found;
- uint64_t *clock_state;
+ uint64_t *clock_state = NULL;
struct bt_ctf_field_type *int_field_type = NULL;
enum bt_ctf_btr_status ret = BT_CTF_BTR_STATUS_OK;
struct bt_ctf_clock_class *clock_class = NULL;
clock_class_found = g_hash_table_lookup_extended(notit->clock_states,
clock_class, NULL, (gpointer) &clock_state);
- if (unlikely(!clock_class_found)) {
- ret = BT_CTF_BTR_STATUS_ERROR;
- goto end;
- }
-
- if (unlikely(!clock_state)) {
+ if (!clock_class_found) {
clock_state = g_new0(uint64_t, 1);
if (!clock_state) {
BT_LOGE_STR("Failed to allocate a uint64_t.");
}
static
-void create_packet(struct bt_ctf_notif_iter *notit)
+int set_stream(struct bt_ctf_notif_iter *notit)
{
- int ret;
+ int ret = 0;
struct bt_ctf_stream *stream = NULL;
- struct bt_ctf_packet *packet = NULL;
-
- BT_LOGV("Creating packet for packet notification: "
- "notit-addr=%p", notit);
- /* Ask the user for the stream */
BT_LOGV("Calling user function (get stream): notit-addr=%p, "
"stream-class-addr=%p, stream-class-name=\"%s\", "
"stream-class-id=%" PRId64,
notit, notit->meta.stream_class,
bt_ctf_stream_class_get_name(notit->meta.stream_class),
bt_ctf_stream_class_get_id(notit->meta.stream_class));
- stream = notit->medium.medops.get_stream(notit->meta.stream_class,
- notit->medium.data);
- BT_LOGV("User function returned: stream-addr=%p",
- stream);
+ stream = bt_get(notit->medium.medops.get_stream(
+ notit->meta.stream_class, notit->medium.data));
+ BT_LOGV("User function returned: stream-addr=%p", stream);
if (!stream) {
BT_LOGW_STR("User function failed to return a stream object for the given stream class.");
+ ret = -1;
+ goto end;
+ }
+
+ if (notit->stream && stream != notit->stream) {
+ BT_LOGW("User function returned a different stream than the previous one for the same sequence of packets.");
+ ret = -1;
+ goto end;
+ }
+
+ BT_MOVE(notit->stream, stream);
+
+end:
+ bt_put(stream);
+ return ret;
+}
+
+static
+void create_packet(struct bt_ctf_notif_iter *notit)
+{
+ int ret;
+ struct bt_ctf_packet *packet = NULL;
+
+ BT_LOGV("Creating packet for packet notification: "
+ "notit-addr=%p", notit);
+
+ /* Ask the user for the stream */
+ ret = set_stream(notit);
+ if (ret) {
goto error;
}
"stream-class-addr=%p, "
"stream-class-name=\"%s\", "
"stream-class-id=%" PRId64,
- notit, stream, notit->meta.stream_class,
+ notit, notit->stream, notit->meta.stream_class,
bt_ctf_stream_class_get_name(notit->meta.stream_class),
bt_ctf_stream_class_get_id(notit->meta.stream_class));
/* Create packet */
- packet = bt_ctf_packet_create(stream);
+ packet = bt_ctf_packet_create(notit->stream);
if (!packet) {
BT_LOGE("Cannot create packet from stream: "
"notit-addr=%p, stream-addr=%p, "
"stream-class-addr=%p, "
"stream-class-name=\"%s\", "
"stream-class-id=%" PRId64,
- notit, stream, notit->meta.stream_class,
+ notit, notit->stream, notit->meta.stream_class,
bt_ctf_stream_class_get_name(notit->meta.stream_class),
bt_ctf_stream_class_get_id(notit->meta.stream_class));
goto error;
"stream-class-name=\"%s\", "
"stream-class-id=%" PRId64 ", "
"field-addr=%p",
- notit, packet, stream, notit->meta.stream_class,
+ notit, packet, notit->stream, notit->meta.stream_class,
bt_ctf_stream_class_get_name(notit->meta.stream_class),
bt_ctf_stream_class_get_id(notit->meta.stream_class),
notit->dscopes.trace_packet_header);
"stream-class-name=\"%s\", "
"stream-class-id=%" PRId64 ", "
"field-addr=%p",
- notit, packet, stream, notit->meta.stream_class,
+ notit, packet, notit->stream, notit->meta.stream_class,
bt_ctf_stream_class_get_name(notit->meta.stream_class),
bt_ctf_stream_class_get_id(notit->meta.stream_class),
notit->dscopes.trace_packet_header);
BT_PUT(event);
}
-static
-int init_clock_states(GHashTable *clock_states, struct bt_ctf_trace *trace)
-{
- int clock_class_count, i, ret = 0;
-
- assert(trace);
- clock_class_count = bt_ctf_trace_get_clock_class_count(trace);
- assert(clock_class_count >= 0);
-
- for (i = 0; i < clock_class_count; i++) {
- struct bt_ctf_clock_class *clock_class;
-
- clock_class = bt_ctf_trace_get_clock_class_by_index(trace, i);
- assert(clock_class);
- g_hash_table_insert(clock_states, bt_get(clock_class), NULL);
- bt_put(clock_class);
- }
-
- return ret;
-}
-
static
void init_trace_field_path_cache(struct bt_ctf_trace *trace,
struct trace_field_path_cache *trace_field_path_cache)
size_t max_request_sz,
struct bt_ctf_notif_iter_medium_ops medops, void *data)
{
- int ret;
struct bt_ctf_notif_iter *notit = NULL;
struct bt_ctf_btr_cbs cbs = {
.types = {
BT_LOGE_STR("Failed to allocate a GHashTable.");
goto error;
}
- ret = init_clock_states(notit->clock_states, trace);
- if (ret) {
- BT_LOGW("Cannot initialize clock values.");
- goto error;
- }
notit->meta.trace = bt_get(trace);
notit->medium.medops = medops;
notit->medium.max_request_sz = max_request_sz;
BT_PUT(notit->meta.stream_class);
BT_PUT(notit->meta.event_class);
BT_PUT(notit->packet);
+ BT_PUT(notit->stream);
BT_PUT(notit->cur_timestamp_end);
put_all_dscopes(notit);
end:
return status;
}
+
+BT_HIDDEN
+void bt_ctf_notif_iter_set_medops_data(struct bt_ctf_notif_iter *notit,
+ void *medops_data)
+{
+ assert(notit);
+ notit->medium.data = medops_data;
+}