示例#1
0
文件: app.c 项目: roramirez/asterisk
struct stasis_app *app_create(const char *name, stasis_app_cb handler, void *data, enum stasis_app_subscription_model subscription_model)
{
	RAII_VAR(struct stasis_app *, app, NULL, ao2_cleanup);
	size_t size;
	int res = 0;
	size_t context_size = strlen("stasis-") + strlen(name) + 1;
	char context_name[context_size];

	ast_assert(name != NULL);
	ast_assert(handler != NULL);

	ast_verb(1, "Creating Stasis app '%s'\n", name);

	size = sizeof(*app) + strlen(name) + 1;
	app = ao2_alloc_options(size, app_dtor, AO2_ALLOC_OPT_LOCK_MUTEX);
	if (!app) {
		return NULL;
	}
	app->subscription_model = subscription_model;

	app->forwards = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_MUTEX,
		AO2_CONTAINER_ALLOC_OPT_DUPS_OBJ_REJECT,
		forwards_sort, NULL);
	if (!app->forwards) {
		return NULL;
	}

	app->topic = stasis_topic_create(name);
	if (!app->topic) {
		return NULL;
	}

	app->bridge_router = stasis_message_router_create(ast_bridge_topic_all());
	if (!app->bridge_router) {
		return NULL;
	}

	res |= stasis_message_router_add(app->bridge_router,
		ast_bridge_merge_message_type(), bridge_merge_handler, app);

	res |= stasis_message_router_add(app->bridge_router,
		ast_blind_transfer_type(), bridge_blind_transfer_handler, app);

	res |= stasis_message_router_add(app->bridge_router,
		ast_attended_transfer_type(), bridge_attended_transfer_handler, app);

	res |= stasis_message_router_add(app->bridge_router,
		stasis_subscription_change_type(), bridge_subscription_change_handler, app);

	if (res != 0) {
		return NULL;
	}
	/* Bridge router holds a reference */
	ao2_ref(app, +1);

	app->router = stasis_message_router_create(app->topic);
	if (!app->router) {
		return NULL;
	}

	res |= stasis_message_router_add(app->router,
		ast_bridge_snapshot_type(), sub_bridge_update_handler, app);

	res |= stasis_message_router_add(app->router,
		ast_channel_snapshot_type(), sub_channel_update_handler, app);

	res |= stasis_message_router_add_cache_update(app->router,
		ast_endpoint_snapshot_type(), sub_endpoint_update_handler, app);

	res |= stasis_message_router_add(app->router,
		stasis_subscription_change_type(), sub_subscription_change_handler, app);

	stasis_message_router_set_formatters_default(app->router,
		sub_default_handler, app, STASIS_SUBSCRIPTION_FORMATTER_JSON);

	if (res != 0) {
		return NULL;
	}
	/* Router holds a reference */
	ao2_ref(app, +1);

	strncpy(app->name, name, size - sizeof(*app));
	app->handler = handler;
	app->data = ao2_bump(data);

	/* Create a context, a match-all extension, and a 'h' extension for this application. Note that
	 * this should only be done if a context does not already exist. */
	strcpy(context_name, "stasis-");
	strcat(context_name, name);
	if (!ast_context_find(context_name)) {
		if (!ast_context_find_or_create(NULL, NULL, context_name, "res_stasis")) {
			ast_log(LOG_WARNING, "Could not create context '%s' for Stasis application '%s'\n", context_name, name);
		} else {
			ast_add_extension(context_name, 0, "_.", 1, NULL, NULL, "Stasis", ast_strdup(name), ast_free_ptr, "res_stasis");
			ast_add_extension(context_name, 0, "h", 1, NULL, NULL, "NoOp", NULL, NULL, "res_stasis");
		}
	} else {
		ast_log(LOG_WARNING, "Not creating context '%s' for Stasis application '%s' because it already exists\n",
			context_name, name);
	}

	ao2_ref(app, +1);
	return app;
}
示例#2
0
文件: app.c 项目: lyx2014/Asterisk
struct stasis_app *app_create(const char *name, stasis_app_cb handler, void *data)
{
	RAII_VAR(struct stasis_app *, app, NULL, ao2_cleanup);
	size_t size;
	int res = 0;

	ast_assert(name != NULL);
	ast_assert(handler != NULL);

	ast_verb(1, "Creating Stasis app '%s'\n", name);

	size = sizeof(*app) + strlen(name) + 1;
	app = ao2_alloc_options(size, app_dtor, AO2_ALLOC_OPT_LOCK_MUTEX);

	if (!app) {
		return NULL;
	}

	app->forwards = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_MUTEX,
		AO2_CONTAINER_ALLOC_OPT_DUPS_OBJ_REJECT,
		forwards_sort, NULL);
	if (!app->forwards) {
		return NULL;
	}

	app->topic = stasis_topic_create(name);
	if (!app->topic) {
		return NULL;
	}

	app->bridge_router = stasis_message_router_create(ast_bridge_topic_all());
	if (!app->bridge_router) {
		return NULL;
	}

	res |= stasis_message_router_add(app->bridge_router,
		ast_bridge_merge_message_type(), bridge_merge_handler, app);

	res |= stasis_message_router_add(app->bridge_router,
		ast_blind_transfer_type(), bridge_blind_transfer_handler, app);

	res |= stasis_message_router_add(app->bridge_router,
		ast_attended_transfer_type(), bridge_attended_transfer_handler, app);

	res |= stasis_message_router_set_default(app->bridge_router,
		bridge_default_handler, app);

	if (res != 0) {
		return NULL;
	}
	/* Bridge router holds a reference */
	ao2_ref(app, +1);

	app->router = stasis_message_router_create(app->topic);
	if (!app->router) {
		return NULL;
	}

	res |= stasis_message_router_add_cache_update(app->router,
		ast_bridge_snapshot_type(), sub_bridge_update_handler, app);

	res |= stasis_message_router_add_cache_update(app->router,
		ast_channel_snapshot_type(), sub_channel_update_handler, app);

	res |= stasis_message_router_add_cache_update(app->router,
		ast_endpoint_snapshot_type(), sub_endpoint_update_handler, app);

	res |= stasis_message_router_set_default(app->router,
		sub_default_handler, app);

	if (res != 0) {
		return NULL;
	}
	/* Router holds a reference */
	ao2_ref(app, +1);

	strncpy(app->name, name, size - sizeof(*app));
	app->handler = handler;
	ao2_ref(data, +1);
	app->data = data;

	ao2_ref(app, +1);
	return app;
}