* Copyright (C) 2016 "IoT.bzh"
* Author "Manuel Bachmann"
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * 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 <string.h>
+
+#include <json-c/json.h>
+
#include "media-api.h"
+#include "media-rygel.h"
+
+#include <afb/afb-plugin.h>
+#include <afb/afb-req-itf.h>
+
+json_object* _rygel_list (mediaCtxHandleT *);
/* ------ LOCAL HELPER FUNCTIONS --------- */
/* private client context creation ; default values */
-STATIC mediaCtxHandleT* initMediaCtx () {
+static mediaCtxHandleT* initMediaCtx () {
mediaCtxHandleT *ctx;
return ctx;
}
-/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC void freeMedia (void *context, void *handle) {
-
- free (context);
-}
-
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx;
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
json_object *jresp;
/* create a private client context */
- if (!request->context)
- request->context = initMediaCtx();
-
- ctx = (mediaCtxHandleT*)request->context;
+ if (!ctx) {
+ ctx = initMediaCtx();
+ afb_req_context_set (request, ctx, free);
+ }
/* initialize server connection */
if (!ctx->media_server)
- _rygel_init (request->context);
+ _rygel_init (ctx);
- jresp = json_object_new_object();
- json_object_object_add(jresp, "info", json_object_new_string ("Media initialized"));
- return jresp;
+ jresp = json_object_new_object ();
+ json_object_object_add (jresp, "init", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Media - Initialized");
}
-STATIC json_object* list (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void list (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
json_object *jresp;
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
+
jresp = _rygel_list (ctx);
- if (!jresp)
- return jsonNewMessage(AFB_FAIL, "No content found in media server");
+ if (!jresp) {
+ afb_req_fail (request, "failed", "no content found in media server");
+ return;
+ }
- return jresp;
+ afb_req_success (request, jresp, "Media - Listed");
}
-STATIC json_object* selecting (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void selecting (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
- const char *value = getQueryValue (request, "value");
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ const char *value = afb_req_value (request, "value");
json_object *jresp;
unsigned int index;
char index_str[5];
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
+
/* no "?value=" parameter : return current index */
if (!value) {
snprintf (index_str, sizeof(index_str), "%d", ctx->index);
}
/* "?value=" parameter is negative */
- else if (atoi(value) < 0)
- return jsonNewMessage(AFB_FAIL, "Chosen index cannot be negative");
+ else if (atoi(value) < 0) {
+ afb_req_fail (request, "failed", "chosen index cannot be negative");
+ return;
+ }
/* "?value=" parameter is positive */
else if (atoi(value) >= 0) {
index = (unsigned int) atoi(value);
- if (!_rygel_select (ctx, index))
- return jsonNewMessage(AFB_FAIL, "Chosen index superior to current media count");
+ if (!_rygel_select (ctx, index)) {
+ afb_req_fail (request, "failed", "chosen index superior to current media count");
+ return;
+ }
ctx->index = index;
jresp = json_object_new_object();
json_object_object_add (jresp, "index", json_object_new_string (value));
}
+ else
+ jresp = NULL;
- return jresp;
+ afb_req_success (request, jresp, "Media - Listed");
}
-STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ json_object *jresp;
+
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
- if (!_rygel_do (ctx, PLAY, NULL))
- return jsonNewMessage(AFB_FAIL, "Could not play chosen media");
+ if (!_rygel_do (ctx, PLAY, NULL)) {
+ afb_req_fail (request, "failed", "could not play chosen media");
+ return;
+ }
- return jsonNewMessage(AFB_SUCCESS, "PLaying media");
+ jresp = json_object_new_object ();
+ json_object_object_add (jresp, "play", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Media - Listed");
}
-STATIC json_object* stop (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void stop (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ json_object *jresp;
- if (!_rygel_do (ctx, STOP, NULL))
- return jsonNewMessage(AFB_FAIL, "Could not stop chosen media");
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
- return jsonNewMessage(AFB_SUCCESS, "Stopped media");
+ if (!_rygel_do (ctx, STOP, NULL)) {
+ afb_req_fail (request, "failed", "could not stop chosen media");
+ return;
+ }
+
+ jresp = json_object_new_object ();
+ json_object_object_add (jresp, "stop", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Media - Stopped");
}
-STATIC json_object* pausing (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void pausing (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ json_object *jresp;
- if (!_rygel_do (ctx, PAUSE, NULL))
- return jsonNewMessage(AFB_FAIL, "Could not pause chosen media");
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
- return jsonNewMessage(AFB_SUCCESS, "Paused media");
+ if (!_rygel_do (ctx, PAUSE, NULL)) {
+ afb_req_fail (request, "failed", "could not pause chosen media");
+ return;
+ }
+
+ jresp = json_object_new_object();
+ json_object_object_add (jresp, "pause", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Media - Paused");
}
-STATIC json_object* seek (AFB_request *request) { /* AFB_SESSION_CHECK */
+static void seek (struct afb_req request) { /* AFB_SESSION_CHECK */
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
- const char *value = getQueryValue (request, "value");
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ const char *value = afb_req_value (request, "value");
+ json_object *jresp;
+
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
/* no "?value=" parameter : return error */
- if (!value)
- return jsonNewMessage(AFB_FAIL, "You must provide a time");
+ if (!value) {
+ afb_req_fail (request, "failed", "you must provide a time");
+ return;
+ }
- if (!_rygel_do (ctx, SEEK, value))
- return jsonNewMessage(AFB_FAIL, "Could not seek chosen media");
+ if (!_rygel_do (ctx, SEEK, (char *)value)) {
+ afb_req_fail (request, "failed", "could not seek chosen media");
+ return;
+ }
- return jsonNewMessage(AFB_SUCCESS, "Seeked media");
+ jresp = json_object_new_object();
+ json_object_object_add (jresp, "seek", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Media - Sought");
}
-STATIC json_object* upload (AFB_request *request, AFB_PostItem *item) { /* AFB_SESSION_CHECK */
+static char *renamed_filename(struct afb_arg argfile)
+{
+ char *result;
+ const char *e = strrchr(argfile.path, '/');
+ if (e == NULL)
+ result = strdup(argfile.value);
+ else {
+ result = malloc((++e - argfile.path) + strlen(argfile.value) + 1);
+ if (result != NULL)
+ strcpy(stpncpy(result, argfile.path, e - argfile.path), argfile.value);
+ }
+ return result;
+}
- mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context;
- AFB_PostCtx *postFileCtx;
- json_object *jresp;
- char *path;
+static void on_uploaded(struct afb_req *prequest, int status)
+{
+ struct afb_req request = afb_req_unstore(prequest);
+ struct afb_arg argfile = afb_req_get(request, "file-upload");
+ char *file = renamed_filename(argfile);
+ if (file != NULL)
+ unlink(file);
+ free(file);
+ if (status)
+ afb_req_fail (request, "failed", "expected file not received");
+ else
+ afb_req_success_f (request, NULL, "uploaded file %s", argfile.value);
+ afb_req_unref(request);
+}
- /* item is !NULL until transfer is complete */
- if (item != NULL)
- return getPostFile (request, item, "media");
+static void upload (struct afb_req request) { /* AFB_SESSION_CHECK */
- /* target intermediary file path */
- path = getPostPath (request);
+ mediaCtxHandleT *ctx = afb_req_context_get(request);
+ struct afb_req *prequest;
+ struct afb_arg argfile;
+ char *path;
- if (!path)
- fprintf (stderr, "Error encoutered during intermediary file transfer\n");
+ /* check that context is initialized */
+ if (ctx == NULL) {
+ afb_req_fail (request, "failed", "uninitialized");
+ return;
+ }
- else if (!_rygel_upload (ctx, path)) {
- request->errcode = MHD_HTTP_EXPECTATION_FAILED;
- request->jresp = jsonNewMessage (AFB_FAIL, "Error when uploading file to media server... could not complete");
+ /* get the file */
+ argfile = afb_req_get(request, "file-upload");
+ if (!argfile.value || !argfile.path) {
+ afb_req_fail (request, "failed", "expected file not received");
+ return;
}
- else {
- request->errcode = MHD_HTTP_OK;
- request->jresp = jsonNewMessage (AFB_SUCCESS, "upload=%s done", path);
+ /* rename the file */
+ path = renamed_filename(argfile);
+ if (path == NULL) {
+ afb_req_fail (request, "failed", "out of memory");
+ return;
+ }
+ if (rename(argfile.path, path) != 0) {
+ free(path);
+ afb_req_fail (request, "failed", "system error");
+ return;
}
- /* finalizes file transfer */
- return getPostFile (request, item, NULL);
+ /* for asynchronous processing */
+ prequest = afb_req_store(request);
+ if (path == NULL) {
+ unlink(path);
+ afb_req_fail (request, "failed", "out of memory");
+ }
+ else if (!_rygel_upload (ctx, path, (void*)on_uploaded, prequest)) {
+ afb_req_unref(afb_req_unstore(prequest));
+ unlink(path);
+ afb_req_fail (request, "failed", "Error when uploading file to media server... could not complete");
+ }
+ free(path);
}
-STATIC json_object* ping (AFB_request *request) { /* AFB_SESSION_NONE */
- return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Media API");
+static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
+ afb_req_success (request, NULL, "Media - Ping succeeded");
}
-STATIC AFB_restapi pluginApis[]= {
- {"init" , AFB_SESSION_CHECK, (AFB_apiCB)init , "Media API - init" },
- {"list" , AFB_SESSION_CHECK, (AFB_apiCB)list , "Media API - list" },
- {"select" , AFB_SESSION_CHECK, (AFB_apiCB)selecting , "Media API - select" },
- {"play" , AFB_SESSION_CHECK, (AFB_apiCB)play , "Media API - play" },
- {"stop" , AFB_SESSION_CHECK, (AFB_apiCB)stop , "Media API - stop" },
- {"pause" , AFB_SESSION_CHECK, (AFB_apiCB)pausing , "Media API - pause" },
- {"seek" , AFB_SESSION_CHECK, (AFB_apiCB)seek , "Media API - seek" },
- {"upload" , AFB_SESSION_CHECK, (AFB_apiCB)upload , "Media API - upload" },
- {"ping" , AFB_SESSION_NONE, (AFB_apiCB)ping , "Media API - ping" },
+static const struct AFB_verb_desc_v1 verbs[]= {
+ {"init" , AFB_SESSION_CHECK, init , "Media API - init" },
+ {"list" , AFB_SESSION_CHECK, list , "Media API - list" },
+ {"select" , AFB_SESSION_CHECK, selecting , "Media API - select" },
+ {"play" , AFB_SESSION_CHECK, play , "Media API - play" },
+ {"stop" , AFB_SESSION_CHECK, stop , "Media API - stop" },
+ {"pause" , AFB_SESSION_CHECK, pausing , "Media API - pause" },
+ {"seek" , AFB_SESSION_CHECK, seek , "Media API - seek" },
+// {"upload" , AFB_SESSION_CHECK, upload , "Media API - upload" },
+ {"ping" , AFB_SESSION_NONE, ping , "Media API - ping" },
{NULL}
};
-PUBLIC AFB_plugin* pluginRegister () {
- AFB_plugin *plugin = malloc (sizeof(AFB_plugin));
- plugin->type = AFB_PLUGIN_JSON;
- plugin->info = "Application Framework Binder - Media plugin";
- plugin->prefix = "media";
- plugin->apis = pluginApis;
-
- /*plugin->handle = initRadioPlugin();*/
- plugin->freeCtxCB = (AFB_freeCtxCB)freeMedia;
-
- return (plugin);
+static const struct AFB_plugin pluginDesc = {
+ .type = AFB_PLUGIN_VERSION_1,
+ .v1 = {
+ .info = "Application Framework Binder - Media plugin",
+ .prefix = "media",
+ .verbs = verbs
+ }
};
+
+const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *itf)
+{
+ return &pluginDesc;
+}