debug_info_destroy(debug_info);
}
+static
+void destroy_stream_state_key(gpointer key)
+{
+ g_free((enum fs_writer_stream_state *) key);
+}
+
static
struct bt_ctf_field *get_payload_field(FILE *err,
struct bt_ctf_event *event, const char *field_name)
(gpointer) trace);
}
+static
+enum debug_info_stream_state *insert_new_stream_state(
+ struct debug_info_iterator *debug_it,
+ struct debug_info_trace *di_trace, struct bt_ctf_stream *stream)
+{
+ enum debug_info_stream_state *v = NULL;
+
+ v = g_new0(enum debug_info_stream_state, 1);
+ if (!v) {
+ fprintf(debug_it->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ }
+ *v = DEBUG_INFO_UNKNOWN_STREAM;
+
+ g_hash_table_insert(di_trace->stream_states, stream, v);
+
+ return v;
+}
+
+static
+void check_completed_trace(gpointer key, gpointer value, gpointer user_data)
+{
+ enum debug_info_stream_state *state = value;
+ int *trace_completed = user_data;
+
+ if (*state != DEBUG_INFO_COMPLETED_STREAM) {
+ *trace_completed = 0;
+ }
+}
+
+static
+gboolean empty_ht(gpointer key, gpointer value, gpointer user_data)
+{
+ return TRUE;
+}
+
+BT_HIDDEN
+void debug_info_close_trace(struct debug_info_iterator *debug_it,
+ struct debug_info_trace *di_trace)
+{
+ if (di_trace->static_listener_id > 0) {
+ bt_ctf_trace_remove_is_static_listener(di_trace->trace,
+ di_trace->static_listener_id);
+ }
+
+ /* Empty the stream class HT. */
+ g_hash_table_foreach_remove(di_trace->stream_class_map,
+ empty_ht, NULL);
+ g_hash_table_destroy(di_trace->stream_class_map);
+
+ /* Empty the stream HT. */
+ g_hash_table_foreach_remove(di_trace->stream_map,
+ empty_ht, NULL);
+ g_hash_table_destroy(di_trace->stream_map);
+
+ /* Empty the stream state HT. */
+ g_hash_table_foreach_remove(di_trace->stream_states,
+ empty_ht, NULL);
+ g_hash_table_destroy(di_trace->stream_states);
+
+ /* Empty the packet HT. */
+ g_hash_table_foreach_remove(di_trace->packet_map,
+ empty_ht, NULL);
+ g_hash_table_destroy(di_trace->packet_map);
+
+ /* Empty the trace_debug HT. */
+ g_hash_table_foreach_remove(di_trace->trace_debug_map,
+ empty_ht, NULL);
+ g_hash_table_destroy(di_trace->trace_debug_map);
+}
+
+static
+void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
+{
+ struct debug_info_trace *di_trace = data;
+ int trace_completed = 1;
+
+ di_trace->trace_static = 1;
+
+ g_hash_table_foreach(di_trace->stream_states,
+ check_completed_trace, &trace_completed);
+ if (trace_completed) {
+ debug_info_close_trace(di_trace->debug_it, di_trace);
+ g_hash_table_remove(di_trace->debug_it->trace_map,
+ di_trace->trace);
+ }
+}
+
static
struct debug_info_trace *insert_new_trace(struct debug_info_iterator *debug_it,
struct bt_ctf_stream *stream) {
struct debug_info_trace *di_trace = NULL;
struct bt_ctf_trace *trace = NULL;
struct bt_ctf_stream_class *stream_class = NULL;
- int ret;
+ int ret, nr_stream, i;
writer_trace = bt_ctf_trace_create();
if (!writer_trace) {
di_trace->trace = trace;
di_trace->writer_trace = writer_trace;
di_trace->debug_info_component = debug_it->debug_info_component;
+ di_trace->debug_it = debug_it;
di_trace->stream_map = g_hash_table_new_full(g_direct_hash,
g_direct_equal, NULL, (GDestroyNotify) unref_stream);
di_trace->stream_class_map = g_hash_table_new_full(g_direct_hash,
g_direct_equal, NULL, (GDestroyNotify) unref_packet);
di_trace->trace_debug_map = g_hash_table_new_full(g_direct_hash,
g_direct_equal, NULL, (GDestroyNotify) unref_debug_info);
+ di_trace->stream_states = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, destroy_stream_state_key);
+
+ /* Set all the existing streams in the unknown state. */
+ nr_stream = bt_ctf_trace_get_stream_count(trace);
+ for (i = 0; i < nr_stream; i++) {
+ stream = bt_ctf_trace_get_stream_by_index(trace, i);
+ if (!stream) {
+ fprintf(debug_it->err,
+ "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto error;
+ }
+ insert_new_stream_state(debug_it, di_trace, stream);
+ BT_PUT(stream);
+ }
+
+ /* Check if the trace is already static or register a listener. */
+ if (bt_ctf_trace_is_static(trace)) {
+ di_trace->trace_static = 1;
+ di_trace->static_listener_id = -1;
+ } else {
+ ret = bt_ctf_trace_add_is_static_listener(trace,
+ trace_is_static_listener, di_trace);
+ if (ret < 0) {
+ fprintf(debug_it->err,
+ "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto error;
+ }
+ di_trace->static_listener_id = ret;
+ }
g_hash_table_insert(debug_it->trace_map, (gpointer) trace, di_trace);
__LINE__);
goto error;
}
- BT_PUT(writer_trace);
- BT_PUT(trace);
g_hash_table_insert(di_trace->stream_class_map,
(gpointer) stream_class, writer_stream_class);
__func__, __FILE__, __LINE__);
goto error;
}
+
+ bt_get(writer_packet);
goto end;
error:
__func__, __FILE__, __LINE__);
goto end;
}
+ bt_get(writer_packet);
g_hash_table_remove(di_trace->packet_map, packet);
end:
struct bt_ctf_stream *stream)
{
struct bt_ctf_stream *writer_stream;
+ enum debug_info_stream_state *state;
struct debug_info_trace *di_trace = NULL;
di_trace = lookup_di_trace_from_stream(debug_it, stream);
if (!di_trace) {
fprintf(debug_it->err, "[error] %s in %s:%d\n",
__func__, __FILE__, __LINE__);
- goto end;
+ goto error;
}
}
if (writer_stream) {
fprintf(debug_it->err, "[error] %s in %s:%d\n",
__func__, __FILE__, __LINE__);
- goto end;
+ goto error;
}
+ /* Set the stream as active */
+ state = g_hash_table_lookup(di_trace->stream_states, stream);
+ if (!state) {
+ if (di_trace->trace_static) {
+ fprintf(debug_it->err, "[error] Adding a new stream "
+ "on a static trace\n");
+ goto error;
+ }
+ state = insert_new_stream_state(debug_it, di_trace,
+ stream);
+ }
+ if (*state != DEBUG_INFO_UNKNOWN_STREAM) {
+ fprintf(debug_it->err, "[error] Unexpected stream state %d\n",
+ *state);
+ goto error;
+ }
+ *state = DEBUG_INFO_ACTIVE_STREAM;
+
writer_stream = insert_new_stream(debug_it, stream, di_trace);
+ bt_get(writer_stream);
+
+ goto end;
+error:
+ BT_PUT(writer_stream);
end:
return writer_stream;
}
{
struct bt_ctf_stream *writer_stream;
struct debug_info_trace *di_trace = NULL;
+ enum debug_info_stream_state *state;
di_trace = lookup_di_trace_from_stream(debug_it, stream);
if (!di_trace) {
fprintf(debug_it->err, "[error] %s in %s:%d\n",
__func__, __FILE__, __LINE__);
- goto end;
+ goto error;
}
writer_stream = lookup_stream(debug_it, stream, di_trace);
if (!writer_stream) {
fprintf(debug_it->err, "[error] %s in %s:%d\n",
__func__, __FILE__, __LINE__);
- goto end;
+ goto error;
}
+ /*
+ * Take the ref on the stream and keep it until the notification
+ * is created.
+ */
bt_get(writer_stream);
+
+ state = g_hash_table_lookup(di_trace->stream_states, stream);
+ if (*state != DEBUG_INFO_ACTIVE_STREAM) {
+ fprintf(debug_it->err, "[error] Unexpected stream "
+ "state %d\n", *state);
+ goto error;
+ }
+ *state = DEBUG_INFO_COMPLETED_STREAM;
+
g_hash_table_remove(di_trace->stream_map, stream);
+ if (di_trace->trace_static) {
+ int trace_completed = 1;
+
+ g_hash_table_foreach(di_trace->stream_states,
+ check_completed_trace, &trace_completed);
+ if (trace_completed) {
+ debug_info_close_trace(debug_it, di_trace);
+ g_hash_table_remove(debug_it->trace_map,
+ di_trace->trace);
+ }
+ }
+
+ goto end;
+
+error:
+ BT_PUT(writer_stream);
+
end:
return writer_stream;
}