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authorFulup Ar Foll <fulup@iot.bzh>2017-03-08 14:23:35 +0100
committerFulup Ar Foll <fulup@iot.bzh>2017-03-08 14:23:35 +0100
commit1393b5d318e22dbd1625692847a51c27932fd442 (patch)
tree19fd954a04456be8e1c7ebde5b3aaefbe08dbcad /AudioLogic/AudioLogicLib.c
parent0964e7da8576b8761e8d3d16b50cc842406c7e67 (diff)
Events Partially Working
Diffstat (limited to 'AudioLogic/AudioLogicLib.c')
-rw-r--r--AudioLogic/AudioLogicLib.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/AudioLogic/AudioLogicLib.c b/AudioLogic/AudioLogicLib.c
new file mode 100644
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+++ b/AudioLogic/AudioLogicLib.c
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+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <netdb.h>
+#include <fcntl.h>
+#include <math.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#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;
+
+}
+