From 1393b5d318e22dbd1625692847a51c27932fd442 Mon Sep 17 00:00:00 2001 From: Fulup Ar Foll Date: Wed, 8 Mar 2017 14:23:35 +0100 Subject: Events Partially Working --- AudioLogic/AudioLogicLib.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 AudioLogic/AudioLogicLib.c (limited to 'AudioLogic/AudioLogicLib.c') diff --git a/AudioLogic/AudioLogicLib.c b/AudioLogic/AudioLogicLib.c new file mode 100644 index 0000000..ebe241c --- /dev/null +++ b/AudioLogic/AudioLogicLib.c @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Fulup Ar Foll + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "AudioLogicLib.h" +static struct afb_service srvitf; + +#define _GNU_SOURCE // needed for vasprintf + +// this function is call after all binder are loaded and initialised +PUBLIC int audioLogicInit (struct afb_service service) { + srvitf = service; + return 0; +} + +// This callback is fired when afb_service_call for api/alsacore/subctl returns +STATIC void alsaSubcribeCB (void *handle, int iserror, struct json_object *result) { + struct afb_req request = afb_req_unstore(handle); + struct json_object *x, *resp = NULL; + const char *info = NULL; + + if (result) { + INFO (afbIface, "result=[%s]\n", json_object_to_json_string (result)); + if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x)) + info = json_object_get_string(x); + if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL; + } + + // push message respond + if (iserror) afb_req_fail_f(request, "Fail", info); + else afb_req_success(request, resp, info); + + // free calling request + afb_req_unref(request); +} + +// Create and subscribe to alsacore ctl events +PUBLIC void audioLogicMonitor(struct afb_req request) { + + // save request in session as it might be used after return by callback + struct afb_req *handle = afb_req_store(request); + + // push request to low level binding + if (!handle) afb_req_fail(request, "error", "out of memory"); + else afb_service_call(srvitf, "alsacore", "subctl", json_object_get(afb_req_json(request)), alsaSubcribeCB, handle); + + // success/failure messages return from callback +} + +// Call when all bindings are loaded and ready to accept request +PUBLIC void audioLogicGetVol(struct afb_req request) { + + afb_req_success (request, NULL, NULL); + return; + +} + +PUBLIC void audioLogicSetVol(struct afb_req request) { + + + afb_req_success (request, NULL, NULL); + return; + +} + -- cgit 1.2.3-korg