X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Flib%2Ftrace-ir%2Ftrace.c;h=e884c72a29ed0887bfe1da7880b02863684457dd;hb=9c08c816a55bbc538957648b49d41354e43c7cdf;hp=fdaa7bad1a6627f241e2fe02634242ea10997787;hpb=d24d56638469189904fb6ddbb3c725817b3e9417;p=babeltrace.git

diff --git a/src/lib/trace-ir/trace.c b/src/lib/trace-ir/trace.c
index fdaa7bad..e884c72a 100644
--- a/src/lib/trace-ir/trace.c
+++ b/src/lib/trace-ir/trace.c
@@ -62,8 +62,8 @@ struct bt_trace_destruction_listener_elem {
 	void *data;
 };
 
-#define BT_ASSERT_PRE_TRACE_HOT(_trace) \
-	BT_ASSERT_PRE_HOT((_trace), "Trace", ": %!+t", (_trace))
+#define BT_ASSERT_PRE_DEV_TRACE_HOT(_trace) \
+	BT_ASSERT_PRE_DEV_HOT((_trace), "Trace", ": %!+t", (_trace))
 
 static
 void destroy_trace(struct bt_object *obj)
@@ -118,6 +118,12 @@ void destroy_trace(struct bt_object *obj)
 		trace->name.value = NULL;
 	}
 
+	if (trace->environment) {
+		BT_LOGD_STR("Destroying environment attributes.");
+		bt_attributes_destroy(trace->environment);
+		trace->environment = NULL;
+	}
+
 	if (trace->streams) {
 		BT_LOGD_STR("Destroying streams.");
 		g_ptr_array_free(trace->streams, TRUE);
@@ -142,7 +148,7 @@ struct bt_trace *bt_trace_create(struct bt_trace_class *tc)
 	BT_LIB_LOGD("Creating trace object: %![tc-]+T", tc);
 	trace = g_new0(struct bt_trace, 1);
 	if (!trace) {
-		BT_LOGE_STR("Failed to allocate one trace.");
+		BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one trace.");
 		goto error;
 	}
 
@@ -150,27 +156,33 @@ struct bt_trace *bt_trace_create(struct bt_trace_class *tc)
 	trace->streams = g_ptr_array_new_with_free_func(
 		(GDestroyNotify) bt_object_try_spec_release);
 	if (!trace->streams) {
-		BT_LOGE_STR("Failed to allocate one GPtrArray.");
+		BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
 		goto error;
 	}
 
 	trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash,
 		g_direct_equal);
 	if (!trace->stream_classes_stream_count) {
-		BT_LOGE_STR("Failed to allocate one GHashTable.");
+		BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GHashTable.");
 		goto error;
 	}
 
 	trace->name.str = g_string_new(NULL);
 	if (!trace->name.str) {
-		BT_LOGE_STR("Failed to allocate one GString.");
+		BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString.");
+		goto error;
+	}
+
+	trace->environment = bt_attributes_create();
+	if (!trace->environment) {
+		BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty attributes object.");
 		goto error;
 	}
 
 	trace->destruction_listeners = g_array_new(FALSE, TRUE,
 		sizeof(struct bt_trace_destruction_listener_elem));
 	if (!trace->destruction_listeners) {
-		BT_LOGE_STR("Failed to allocate one GArray.");
+		BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray.");
 		goto error;
 	}
 
@@ -188,7 +200,7 @@ end:
 
 const char *bt_trace_get_name(const struct bt_trace *trace)
 {
-	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
 	return trace->name.value;
 }
 
@@ -197,24 +209,163 @@ enum bt_trace_set_name_status bt_trace_set_name(struct bt_trace *trace,
 {
 	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
 	BT_ASSERT_PRE_NON_NULL(name, "Name");
-	BT_ASSERT_PRE_TRACE_HOT(trace);
+	BT_ASSERT_PRE_DEV_TRACE_HOT(trace);
 	g_string_assign(trace->name.str, name);
 	trace->name.value = trace->name.str->str;
 	BT_LIB_LOGD("Set trace's name: %!+t", trace);
 	return BT_FUNC_STATUS_OK;
 }
 
-uint64_t bt_trace_get_stream_count(const struct bt_trace *trace)
+bt_uuid bt_trace_get_uuid(const struct bt_trace *trace)
+{
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
+	return trace->uuid.value;
+}
+
+void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid)
+{
+	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_NON_NULL(uuid, "UUID");
+	BT_ASSERT_PRE_DEV_TRACE_HOT(trace);
+	bt_uuid_copy(trace->uuid.uuid, uuid);
+	trace->uuid.value = trace->uuid.uuid;
+	BT_LIB_LOGD("Set trace's UUID: %!+t", trace);
+}
+
+BT_ASSERT_FUNC
+static
+bool trace_has_environment_entry(const struct bt_trace *trace, const char *name)
+{
+	BT_ASSERT(trace);
+
+	return bt_attributes_borrow_field_value_by_name(
+		trace->environment, name) != NULL;
+}
+
+static
+enum bt_trace_set_environment_entry_status set_environment_entry(
+		struct bt_trace *trace,
+		const char *name, struct bt_value *value)
+{
+	int ret;
+
+	BT_ASSERT(trace);
+	BT_ASSERT(name);
+	BT_ASSERT(value);
+	BT_ASSERT_PRE(!trace->frozen ||
+		!trace_has_environment_entry(trace, name),
+		"Trace is frozen: cannot replace environment entry: "
+		"%![trace-]+t, entry-name=\"%s\"", trace, name);
+	ret = bt_attributes_set_field_value(trace->environment, name,
+		value);
+	if (ret) {
+		ret = BT_FUNC_STATUS_MEMORY_ERROR;
+		BT_LIB_LOGE_APPEND_CAUSE(
+			"Cannot set trace's environment entry: "
+			"%![trace-]+t, entry-name=\"%s\"", trace, name);
+	} else {
+		bt_value_freeze(value);
+		BT_LIB_LOGD("Set trace's environment entry: "
+			"%![trace-]+t, entry-name=\"%s\"", trace, name);
+	}
+
+	return ret;
+}
+
+enum bt_trace_set_environment_entry_status
+bt_trace_set_environment_entry_string(
+		struct bt_trace *trace, const char *name, const char *value)
+{
+	int ret;
+	struct bt_value *value_obj;
+	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_NON_NULL(name, "Name");
+	BT_ASSERT_PRE_NON_NULL(value, "Value");
+	value_obj = bt_value_string_create_init(value);
+	if (!value_obj) {
+		BT_LIB_LOGE_APPEND_CAUSE(
+			"Cannot create a string value object.");
+		ret = -1;
+		goto end;
+	}
+
+	/* set_environment_entry() logs errors */
+	ret = set_environment_entry(trace, name, value_obj);
+
+end:
+	bt_object_put_ref(value_obj);
+	return ret;
+}
+
+enum bt_trace_set_environment_entry_status
+bt_trace_set_environment_entry_integer(
+		struct bt_trace *trace, const char *name, int64_t value)
 {
+	int ret;
+	struct bt_value *value_obj;
 	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_NON_NULL(name, "Name");
+	value_obj = bt_value_integer_signed_create_init(value);
+	if (!value_obj) {
+		BT_LIB_LOGE_APPEND_CAUSE(
+			"Cannot create an integer value object.");
+		ret = BT_FUNC_STATUS_MEMORY_ERROR;
+		goto end;
+	}
+
+	/* set_environment_entry() logs errors */
+	ret = set_environment_entry(trace, name, value_obj);
+
+end:
+	bt_object_put_ref(value_obj);
+	return ret;
+}
+
+uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace)
+{
+	int64_t ret;
+
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
+	ret = bt_attributes_get_count(trace->environment);
+	BT_ASSERT(ret >= 0);
+	return (uint64_t) ret;
+}
+
+void bt_trace_borrow_environment_entry_by_index_const(
+		const struct bt_trace *trace, uint64_t index,
+		const char **name, const struct bt_value **value)
+{
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_NON_NULL(name, "Name");
+	BT_ASSERT_PRE_DEV_NON_NULL(value, "Value");
+	BT_ASSERT_PRE_DEV_VALID_INDEX(index,
+		bt_attributes_get_count(trace->environment));
+	*value = bt_attributes_borrow_field_value(trace->environment, index);
+	BT_ASSERT(*value);
+	*name = bt_attributes_get_field_name(trace->environment, index);
+	BT_ASSERT(*name);
+}
+
+const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const(
+		const struct bt_trace *trace, const char *name)
+{
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_NON_NULL(name, "Name");
+	return bt_attributes_borrow_field_value_by_name(trace->environment,
+		name);
+}
+
+uint64_t bt_trace_get_stream_count(const struct bt_trace *trace)
+{
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
 	return (uint64_t) trace->streams->len;
 }
 
 struct bt_stream *bt_trace_borrow_stream_by_index(
 		struct bt_trace *trace, uint64_t index)
 {
-	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
-	BT_ASSERT_PRE_VALID_INDEX(index, trace->streams->len);
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_VALID_INDEX(index, trace->streams->len);
 	return g_ptr_array_index(trace->streams, index);
 }
 
@@ -230,7 +381,7 @@ struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace,
 	struct bt_stream *stream = NULL;
 	uint64_t i;
 
-	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
 
 	for (i = 0; i < trace->streams->len; i++) {
 		struct bt_stream *stream_candidate =
@@ -293,7 +444,6 @@ enum bt_trace_add_listener_status bt_trace_add_destruction_listener(
 	return BT_FUNC_STATUS_OK;
 }
 
-BT_ASSERT_PRE_FUNC
 static
 bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id)
 {
@@ -375,7 +525,7 @@ uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace,
 
 struct bt_trace_class *bt_trace_borrow_class(struct bt_trace *trace)
 {
-	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
+	BT_ASSERT_PRE_DEV_NON_NULL(trace, "Trace");
 	return trace->class;
 }