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-rw-r--r--binding/media-api.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/binding/media-api.c b/binding/media-api.c
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+++ b/binding/media-api.c
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+/*
+ * Copyright 2017 Konsulko Group
+ *
+ * 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 <stdlib.h>
+#include <unistd.h>
+#include <json-c/json.h>
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+#include "media-manager.h"
+
+static struct afb_event media_added_event;
+static struct afb_event media_removed_event;
+
+/*
+ * @brief Subscribe for an event
+ *
+ * @param struct afb_req : an afb request structure
+ *
+ */
+static void subscribe(struct afb_req request)
+{
+ const char *value = afb_req_value(request, "value");
+ if(value) {
+ if(!strcasecmp(value, "media_added")) {
+ afb_req_subscribe(request, media_added_event);
+ } else if(!strcasecmp(value, "media_removed")) {
+ afb_req_subscribe(request, media_removed_event);
+ } else {
+ afb_req_fail(request, "failed", "Invalid event");
+ return;
+ }
+ }
+ afb_req_success(request, NULL, NULL);
+}
+
+/*
+ * @brief Unsubscribe for an event
+ *
+ * @param struct afb_req : an afb request structure
+ *
+ */
+static void unsubscribe(struct afb_req request)
+{
+ const char *value = afb_req_value(request, "value");
+ if(value) {
+ if(!strcasecmp(value, "media_added")) {
+ afb_req_unsubscribe(request, media_added_event);
+ } else if(!strcasecmp(value, "media_removed")) {
+ afb_req_unsubscribe(request, media_removed_event);
+ } else {
+ afb_req_fail(request, "failed", "Invalid event");
+ return;
+ }
+ }
+ afb_req_success(request, NULL, NULL);
+}
+
+static json_object *new_json_object_from_device(GList *list)
+{
+ json_object *jarray = json_object_new_array();
+ json_object *jresp = json_object_new_object();
+ json_object *jstring = NULL;
+ GList *l;
+
+ for (l = list; l; l = l->next)
+ {
+ jstring = json_object_new_string(l->data);
+ json_object_array_add(jarray, jstring);
+ }
+
+ if (jstring == NULL)
+ return NULL;
+
+ json_object_object_add(jresp, "Media", jarray);
+
+ return jresp;
+}
+
+static void media_results_get (struct afb_req request)
+{
+ GList *list;
+ json_object *jresp = NULL;
+
+ ListLock();
+ list = media_lightmediascanner_scan();
+ list = media_local_scan(list);
+ if (list == NULL) {
+ afb_req_fail(request, "failed", "media scan error");
+ ListUnlock();
+ return;
+ }
+
+ jresp = new_json_object_from_device(list);
+ g_list_free(list);
+ ListUnlock();
+
+ if (jresp == NULL) {
+ afb_req_fail(request, "failed", "media parsing error");
+ return;
+ }
+
+ afb_req_success(request, jresp, "Media Results Displayed");
+}
+
+static void media_broadcast_device_added (GList *list)
+{
+ json_object *jresp = new_json_object_from_device(list);
+
+ if (jresp != NULL) {
+ afb_event_push(media_added_event, jresp);
+ }
+}
+
+static void media_broadcast_device_removed (const char *obj_path)
+{
+ json_object *jresp = json_object_new_object();
+ json_object *jstring = json_object_new_string(obj_path);
+
+ json_object_object_add(jresp, "Path", jstring);
+
+ afb_event_push(media_removed_event, jresp);
+}
+
+static const struct afb_verb_v2 binding_verbs[] = {
+ { "media_result", media_results_get, NULL, "Media scan result", AFB_SESSION_CHECK },
+ { "subscribe", subscribe, NULL, "Subscribe for an event", AFB_SESSION_CHECK },
+ { "unsubscribe", unsubscribe, NULL, "Unsubscribe for an event", AFB_SESSION_CHECK },
+ { NULL }
+};
+
+static int preinit()
+{
+ Binding_RegisterCallback_t API_Callback;
+ API_Callback.binding_device_added = media_broadcast_device_added;
+ API_Callback.binding_device_removed = media_broadcast_device_removed;
+ BindingAPIRegister(&API_Callback);
+
+ return MediaPlayerManagerInit();
+}
+
+static int init()
+{
+ media_added_event = afb_daemon_make_event("media_added");
+ media_removed_event = afb_daemon_make_event("media_removed");
+
+ return 0;
+}
+
+const struct afb_binding_v2 afbBindingV2 = {
+ .api = "mediascanner",
+ .specification = "mediaplayer API",
+ .preinit = preinit,
+ .init = init,
+ .verbs = binding_verbs,
+};