1 files changed, 102 insertions, 0 deletions
diff --git a/Shared-Interface/audio-interface.c b/Shared-Interface/audio-interface.c
new file mode 100644
index 0000000..c1c4054
--- /dev/null
+++ b/Shared-Interface/audio-interface.c
@@ -0,0 +1,102 @@
+/*
+ * 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  // needed for vasprintf
+
+#include <json-c/json.h>
+#include <afb/afb-binding.h>
+#include <afb/afb-service-itf.h>
+#include <semaphore.h>
+#include <string.h>
+
+#include "audio-interface.h"
+
+typedef struct {
+    int index;
+    int numid;
+} shareHallMap_T;
+
+
+PUBLIC int cbCheckResponse(struct afb_req request, int iserror, struct json_object *result) {
+    struct json_object *response, *status, *info;
+
+    if (iserror) { // on error proxy information we got from lower layer
+        if (result) {
+            if (json_object_object_get_ex(result, "request", &response)) {
+                json_object_object_get_ex(response, "info", &info);
+                json_object_object_get_ex(response, "status", &status);
+                afb_req_fail(request, json_object_get_string(status), json_object_get_string(info));
+                goto OnErrorExit;
+            }
+        } else {
+            afb_req_fail(request, "cbCheckFail", "No Result inside API response");
+        }
+        goto OnErrorExit;
+    }
+    return (0);
+
+OnErrorExit:
+    return (-1);
+}
+
+
+// This function should be part of Generic AGL Framework
+PUBLIC json_object* afb_service_call_sync(struct afb_service srvitf, struct afb_req request, char* api, char* verb, struct json_object* queryurl) {
+    json_object* response = NULL;
+    int status = 0;
+    sem_t semid;
+
+    // Nested procedure are allow in GNU and allow us to keep caller stack valid
+
+    void callback(void *handle, int iserror, struct json_object *result) {
+
+        // Process Basic Error
+        if (!cbCheckResponse(request, iserror, result)) {
+            status = -1;
+            goto OnExitCB;
+        }
+
+        // Get response from object
+        json_object_object_get_ex(result, "response", &response);
+        if (!response) {
+            afb_req_fail_f(request, "response-notfound", "No Controls return from alsa/getcontrol result=[%s]", json_object_get_string(result));
+            goto OnExitCB;
+        }
+
+OnExitCB:
+        sem_post(&semid);
+    }
+
+    // Create an exclusive semaphore
+    status = sem_init(&semid, 0, 0);
+    if (status < 0) {
+        afb_req_fail_f(request, "error:seminit", "Fail to allocate semaphore err=[%s]", strerror(status));
+        goto OnExit;
+    }
+
+    // Call service and wait for call back to finish before moving any further
+    afb_service_call(srvitf, api, verb, queryurl, callback, NULL);
+    sem_wait(&semid);
+
+OnExit:
+    return (response);
+}
+
+PUBLIC void pingtest(struct afb_req request) {
+    json_object *query = afb_req_json(request);
+    afb_req_success(request, query, NULL);
+}