1 files changed, 89 insertions, 0 deletions
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 <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;
+    
+}
+