/* * 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. * * 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "media-api.h" /* ------ LOCAL HELPER FUNCTIONS --------- */ /* private client context creation ; default values */ STATIC mediaCtxHandleT* initMediaCtx () { mediaCtxHandleT *ctx; ctx = malloc (sizeof(mediaCtxHandleT)); ctx->media_server = NULL; ctx->index = 0; 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 */ mediaCtxHandleT *ctx; json_object *jresp; /* create a private client context */ if (!request->context) request->context = initMediaCtx(); ctx = (mediaCtxHandleT*)request->context; /* initialize server connection */ if (!ctx->media_server) _rygel_init (request->context); jresp = json_object_new_object(); json_object_object_add(jresp, "info", json_object_new_string ("Media initialized")); return jresp; } STATIC json_object* list (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; json_object *jresp; char *result; result = _rygel_list (ctx); if (!result) return jsonNewMessage(AFB_FAIL, "No content found in media server"); jresp = json_object_new_object(); json_object_object_add(jresp, "list", json_object_new_string (result)); return jresp; } STATIC json_object* selecting (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; const char *value = getQueryValue (request, "value"); json_object *jresp; unsigned int index; char index_str[5]; /* no "?value=" parameter : return current index */ if (!value) { snprintf (index_str, sizeof(index_str), "%d", ctx->index); jresp = json_object_new_object(); json_object_object_add (jresp, "index", json_object_new_string (index_str)); } /* "?value=" parameter is negative */ else if (atoi(value) < 0) return jsonNewMessage(AFB_FAIL, "Chosen index cannot be negative"); /* "?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"); ctx->index = index; jresp = json_object_new_object(); json_object_object_add (jresp, "index", json_object_new_string (value)); } return jresp; } STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; if (!_rygel_do (ctx, PLAY, NULL)) return jsonNewMessage(AFB_FAIL, "Could not play chosen media"); return jsonNewMessage(AFB_SUCCESS, "PLaying media"); } STATIC json_object* stop (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; if (!_rygel_do (ctx, STOP, NULL)) return jsonNewMessage(AFB_FAIL, "Could not stop chosen media"); return jsonNewMessage(AFB_SUCCESS, "Stopped media"); } STATIC json_object* pausing (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; if (!_rygel_do (ctx, PAUSE, NULL)) return jsonNewMessage(AFB_FAIL, "Could not pause chosen media"); return jsonNewMessage(AFB_SUCCESS, "Paused media"); } STATIC json_object* seek (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; const char *value = getQueryValue (request, "value"); /* no "?value=" parameter : return error */ if (!value) return jsonNewMessage(AFB_FAIL, "You must provide a time"); if (!_rygel_do (ctx, SEEK, value)) return jsonNewMessage(AFB_FAIL, "Could not seek chosen media"); return jsonNewMessage(AFB_SUCCESS, "Seeked media"); } STATIC json_object* upload (AFB_request *request) { /* AFB_SESSION_CHECK */ mediaCtxHandleT *ctx = (mediaCtxHandleT*)request->context; const char *value = getQueryValue (request, "value"); json_object *jresp; char path[256]; /* no "?value=" parameter : return error */ if (!value) return jsonNewMessage(AFB_FAIL, "You must provide a file name"); snprintf (path, sizeof(path), "/tmp/%s", value); if (access (path, R_OK) == -1) return jsonNewMessage(AFB_FAIL, "File not found"); if (!_rygel_upload (ctx, path)) return jsonNewMessage(AFB_FAIL, "Error when uploading file... could not complete"); return jsonNewMessage(AFB_SUCCESS, "File successfully uploaded"); } STATIC json_object* ping (AFB_request *request) { /* AFB_SESSION_NONE */ return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Media API"); } 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" }, {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); };