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Diffstat (limited to 'src/libsoundmanager.cpp')
| -rw-r--r-- | src/libsoundmanager.cpp | 640 |
1 files changed, 0 insertions, 640 deletions
diff --git a/src/libsoundmanager.cpp b/src/libsoundmanager.cpp deleted file mode 100644 index 6ddd09b..0000000 --- a/src/libsoundmanager.cpp +++ /dev/null @@ -1,640 +0,0 @@ -/* - * Copyright (c) 2017 TOYOTA MOTOR CORPORATION - * - * 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. - */ - -#include <stdarg.h> -#include <sys/socket.h> -#include <iostream> -#include <algorithm> -#include "libsoundmanager.hpp" - -#define ELOG(args,...) _ELOG(__FUNCTION__,__LINE__,args,##__VA_ARGS__) -#ifdef DEBUGMODE - #define DLOG(args,...) _DLOG(__FUNCTION__,__LINE__,args,##__VA_ARGS__) -#else - #define DLOG(args,...) -#endif -static void _DLOG(const char* func, const int line, const char* log, ...); -static void _ELOG(const char* func, const int line, const char* log, ...); - -using namespace std; - -static bool has_verb(const std::string& verb); -static const char API[] = "soundmanager"; -static int eventIndent(const string& event); - -static const std::vector<std::string> api_list{ - std::string("connect"), - std::string("disconnect"), - std::string("setVolume"), - std::string("volumeStep"), - std::string("setSinkMuteState"), - std::string("getListMainConnections"), - std::string("ackConnect"), - std::string("ackDisconnect"), - std::string("ackSetSourceState"), - std::string("registerSource"), - std::string("deregisterSource"), - std::string("subscribe"), - std::string("unsubscribe") -}; - -static const std::vector<std::string> event_list{ - std::string("asyncSetSourceState"), - std::string("newMainConnection"), - std::string("volumeChanged"), - std::string("removedMainConnection"), - std::string("sinkMuteStateChanged"), - std::string("mainConnectionStateChanged"), - std::string("setRoutingReady"), - std::string("setRoutingRundown"), - std::string("asyncConnect") -}; - -static void _on_hangup_static(void *closure, struct afb_wsj1 *wsj) -{ - static_cast<LibSoundmanager*>(closure)->on_hangup(NULL,wsj); -} - -static void _on_call_static(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg) -{ - /* LibSoundmanager is not called from other process */ -} - -static void _on_event_static(void* closure, const char* event, struct afb_wsj1_msg *msg) -{ - static_cast<LibSoundmanager*>(closure)->on_event(NULL,event,msg); -} - -static void _on_reply_static(void *closure, struct afb_wsj1_msg *msg) -{ - static_cast<LibSoundmanager*>(closure)->on_reply(NULL,msg); -} - -LibSoundmanager::LibSoundmanager() -{ -} - -LibSoundmanager::~LibSoundmanager() -{ - if(mploop) - { - sd_event_unref(mploop); - } - if(sp_websock != NULL) - { - afb_wsj1_unref(sp_websock); - } -} - - -/** - * This function is initialization function - * - * #### Parameters - * - port [in] : This argument should be specified to the port number to be used for websocket - * - token [in] : This argument should be specified to the token to be used for websocket - * - * #### Return - * Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * - */ -int LibSoundmanager::init(int port, const string& token) -{ - int ret; - if(port > 0 && token.size() > 0) - { - mport = port; - mtoken = token; - } - else - { - ELOG("port and token should be > 0, Initial port and token uses."); - return -1; - } - - ret = initialize_websocket(); - if(ret != 0 ) - { - ELOG("Failed to initialize websocket"); - return -1; - } - ret = init_event(); - if(ret != 0 ) - { - ELOG("Failed to initialize websocket"); - return -1; - } - return 0; -} - -int LibSoundmanager::initialize_websocket() -{ - mploop = NULL; - onEvent = nullptr; - onReply = nullptr; - int ret = sd_event_default(&mploop); - if(ret < 0) - { - ELOG("Failed to create event loop"); - goto END; - } - /* Initialize interface from websocket */ - { - minterface.on_hangup = _on_hangup_static; - minterface.on_call = _on_call_static; - minterface.on_event = _on_event_static; - string muri = "ws://localhost:" + to_string(mport) + "/api?token=" + mtoken; - sp_websock = afb_ws_client_connect_wsj1(mploop, muri.c_str(), &minterface, this); - } - if(sp_websock == NULL) - { - ELOG("Failed to create websocket connection"); - goto END; - } - - return 0; -END: - if(mploop) - { - sd_event_unref(mploop); - } - return -1; -} - -int LibSoundmanager::init_event(){ - /* subscribe most important event for sound right */ - return subscribe(string("asyncSetSourceState")); -} - -/** - * This function registers callback function for reply/event message from sound manager - * - * #### Parameters - * - event_cb [in] : This argument should be specified to the callback for subscribed event - - - - * - reply_cb [in] : This argument should be specified to the reply callback for call function - * - hangup_cb [in] : This argument should be specified to the hangup callback for call function. nullptr is defaulty set. - * - * #### Return - * - * #### Note - * Event callback is invoked by sound manager for event you subscribed. - * If you would like to get event, please call subscribe function before/after this function - */ -void LibSoundmanager::register_callback( - void (*event_cb)(const string& event, struct json_object* event_contents), - void (*reply_cb)(struct json_object* reply_contents), - void (*hangup_cb)(void)) -{ - onEvent = event_cb; - onReply = reply_cb; - onHangup = hangup_cb; -} - -/** - * This function is overload of register_callback. This registers callback function for reply/event message from sound manager - * - * #### Parameters - * - reply_cb [in] : This argument should be specified to the reply callback for call function - * - hangup_cb [in] : This argument should be specified to the hangup callback for call function. nullptr is defaulty set. - * - * #### Return - * - * #### Note - * Event callback is invoked by sound manager for event you subscribed. - * This function for convinience for user uses set_event_handler - * If you would like to get event, please call subscribe function before/after this function - */ -void LibSoundmanager::register_callback( - void (*reply_cb)(struct json_object* reply_contents), - void (*hangup_cb)(void)) -{ - onReply = reply_cb; - onHangup = hangup_cb; -} - -/** - * This function calls registerSource of Audio Manager via WebSocket - * registerSource is registration as source for policy management - * - * #### Parameters - * - sourceName [in] : This argument should be specified to the source name (e.g. "MediaPlayer") - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function must be called to get source ID - * mainConnectionID is returned by async reply function - * - */ -int LibSoundmanager::registerSource(const string& sourceName) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - struct json_object* jsn = json_object_new_string(sourceName.c_str()); - json_object_object_add(j_obj, "appname", jsn); - return this->call(__FUNCTION__, j_obj); -} - -/** - * This function calls connect of Audio Manager via WebSocket - * connect is to get sound right - * - * #### Parameters - * - sourceID [in] : This argument should be specified to the sourceID as int. This parameter is returned value of registerSource - * - sinkID [in] : This argument should be specified to the sinkID as int. ID is specified by AudioManager - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function must be called to get source right - * connectionID is - * - */ -int LibSoundmanager::connect(int sourceID, int sinkID) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - struct json_object* jsource = json_object_new_int(sourceID); - struct json_object* jsink = json_object_new_int(sinkID); - json_object_object_add(j_obj, "sourceID", jsource); - json_object_object_add(j_obj, "sinkID", jsink); - return this->call(__FUNCTION__, j_obj); -} - -/** - * This function calls the connect of Audio Manager via WebSocket - * This function is overload of connect - * Instead of sinkID as the number, abstract sinkName will be supported. - * For now, "default" is only supported - * - * #### Parameters - * - sourceID [in] : This argument should be specified to the sourceID as int. This parameter is returned value of registerSource - * - sinkName [in] : This argument should be specified to the sinkID as int. ID is aliased by SoundManager (e.g: "default") - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * For now, aliase(hardware abstraction) like "DriverZone:Speaker" is under hard consideration - * Just "default" is usable. - * - */ -int LibSoundmanager::connect(int sourceID, const string& sinkName) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - struct json_object* jsource = json_object_new_int(sourceID); - //struct json_object* jsink = json_object_new_int(1); - struct json_object* jsink = json_object_new_string(sinkName.c_str()); - json_object_object_add(j_obj, "sourceID", jsource); - json_object_object_add(j_obj, "sinkID", jsink); - return this->call(__FUNCTION__, j_obj); -} - -/** - * This function calls the disconnect of Audio Manager via WebSocket - * - * #### Parameters - * - connectionID [in] : This parameter is returned value of connect - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * - * - */ -int LibSoundmanager::disconnect(int connectionID) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - struct json_object* jconnection = json_object_new_int(connectionID); - json_object_object_add(j_obj, "mainConnectionID", jconnection); - return this->call(__FUNCTION__, j_obj); -} - -/** - * This function calls the ackSetSourceState of Audio Manager via WebSocket - * - * #### Parameters - * - sourceID [in] : This parameter is returned value of ackSetSourceState - * - handle [in] : This parameter is returned value of ackSetSourceState - * - errno [in] : If you have some errors, input ohter than 0. 0 means acknowledge - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function must be called when application get asyncSetSourceState event - * Input handle number attached in asyncSetSourceState and error number(0 is acknowledge) - */ -int LibSoundmanager::ackSetSourceState(int handle, int error) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - struct json_object* jhandle = json_object_new_int(handle); - struct json_object* jerrno = json_object_new_int(error); - json_object_object_add(j_obj, "handle", jhandle); - json_object_object_add(j_obj, "error", jerrno); - return this->call(__FUNCTION__, j_obj); -} - -/** - * This function calls the API of Audio Manager via WebSocket - * - * #### Parameters - * - verb [in] : This argument should be specified to the API name (e.g. "connect") - * - arg [in] : This argument should be specified to the argument of API. And this argument expects JSON object - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * To call Audio Manager's APIs, the application should set its function name, arguments to JSON format. - * - */ -int LibSoundmanager::call(const string& verb, struct json_object* arg) -{ - int ret; - if(!sp_websock) - { - return -1; - } - if (!has_verb(verb)) - { - ELOG("verb doesn't exit"); - return -1; - } - ret = afb_wsj1_call_j(sp_websock, API, verb.c_str(), arg, _on_reply_static, this); - if (ret < 0) { - ELOG("Failed to call verb:%s",verb.c_str()); - } - return ret; -} - -/** - * This function calls the API of Audio Manager via WebSocket - * This function is overload function of "call" - * - * #### Parameters - * - verb [in] : This argument should be specified to the API name (e.g. "connect") - * - arg [in] : This argument should be specified to the argument of API. And this argument expects JSON object - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * To call Audio Manager's APIs, the application should set its function name, arguments to JSON format. - * - */ -int LibSoundmanager::call(const char* verb, struct json_object* arg) -{ - int ret; - if(!sp_websock) - { - return -1; - } - if (!has_verb(string(verb))) - { - ELOG("verb doesn't exit"); - return -1; - } - ret = afb_wsj1_call_j(sp_websock, API, verb, arg, _on_reply_static, this); - if (ret < 0) { - ELOG("Failed to call verb:%s",verb); - } - return ret; -} - -/** - * Register callback function for each event - * - * #### Parameters - * - event_name [in] : This argument should be specified to the event name - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function enables to get an event to your callback function. - * Regarding the list of event name, please refer to CommandSender API and RountingSender API. - * - */ -int LibSoundmanager::subscribe(const string& event_name) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - json_object_object_add(j_obj, "event", json_object_new_string(event_name.c_str())); - - int ret = afb_wsj1_call_j(sp_websock, API, "subscribe", j_obj, _on_reply_static, this); - if (ret < 0) { - ELOG("Failed to call verb:%s",__FUNCTION__); - } - return ret; -} - -/** - * Unregister callback function for each event - * - * #### Parameters - * - event_name [in] : This argument should be specified to the event name - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function disables to get an event to your callback function. - * - */ -int LibSoundmanager::unsubscribe(const string& event_name) -{ - if(!sp_websock) - { - return -1; - } - struct json_object* j_obj = json_object_new_object(); - json_object_object_add(j_obj, "event", json_object_new_string(event_name.c_str())); - - int ret = afb_wsj1_call_j(sp_websock, API, "unsubscribe", j_obj, _on_reply_static, this); - if (ret < 0) { - ELOG("Failed to call verb:%s",__FUNCTION__); - } - return ret; -} - -/** - * This function calls the ackSetSourceState of Audio Manager via WebSocket - * - * #### Parameters - * - EventType_AsyncSetSourceState [in] : This parameter is EventType of soundmanager - * - handler_func [in] : This parameter is callback function - * - * #### Return - * - Returns 0 on success or -1 in case of transmission error. - * - * #### Note - * This function must be called when application get asyncSetSourceState event - * Input handle number attached in asyncSetSourceState and error number(0 is acknowledge) - */ -void LibSoundmanager::set_event_handler(enum EventType_SM et, handler_fun f) -{ - if (et > 1 && et < NumItems) { - this->handlers[et] = std::move(f); - } -} - - -/************* Callback Function *************/ - -void LibSoundmanager::on_hangup(void *closure, struct afb_wsj1 *wsj) -{ - DLOG("%s called", __FUNCTION__); - if(onHangup != nullptr) - { - onHangup(); - } -} - -void LibSoundmanager::on_call(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg) -{ -} - -/* -* event is like "soundmanager/newMainConnection" -* msg is like {"event":"soundmanager\/newMainConnection","data":{"mainConnectionID":3,"sourceID":101,"sinkID":100,"delay":0,"connectionState":4},"jtype":"afb-event"})} -* ^key^ ^^^^^^^^^^^^ value ^^^^^^^^^^^^ -* so you can get - event name : struct json_object obj = json_object_object_get(msg,"event") -*/ -void LibSoundmanager::on_event(void *closure, const char *event, struct afb_wsj1_msg *msg) -{ - /* check event is for us */ - string ev = string(event); - if (ev.find(API) == string::npos) { - /* It's not us */ - return; - } - struct json_object* ev_contents = afb_wsj1_msg_object_j(msg); - if(onEvent != nullptr) - { - onEvent(ev, ev_contents); - } - else{} - - dispatch_event(ev, ev_contents); - - json_object_put(ev_contents); -} - -void LibSoundmanager::on_reply(void *closure, struct afb_wsj1_msg *msg) -{ - struct json_object* reply = afb_wsj1_msg_object_j(msg); - /*struct json_object *json_data = json_object_object_get(reply, "response"); - struct json_object *jverb = json_object_object_get(json_data, "verb"); - const char* cverb = json_object_get_string(jverb); - DLOG("cverb is %s",cverb); - string verb = string(cverb); - DLOG("verb is %s",verb.c_str()); - - if(verb == "registerSource"){ - struct json_object *jsourceID = json_object_object_get(json_data, "sourceID"); - int sourceID = json_object_get_int(jsourceID); - msourceIDs.push_back(sourceID); - DLOG("my sourceID is created: %d", sourceID); - }*/ - if(onReply != nullptr) - { - onReply(reply); - } - json_object_put(reply); -} - -int LibSoundmanager::dispatch_event(const string &event , json_object* event_contents){ - //dipatch event - EventType_SM x; - - if(event.find(event_list[0].c_str())){ - x = Event_AsyncSetSourceState; - } - else{ - return -1; - } - auto i = this->handlers.find(x); - if(i != handlers.end()){ - i->second(event_contents); - return 0; - } - return -1; -} - -/* Internal Function in libsoundmanager */ - -static void _ELOG(const char* func, const int line, const char* log, ...) -{ - char *message; - va_list args; - va_start(args, log); - if (log == NULL || vasprintf(&message, log, args) < 0) - message = NULL; - cout << "[ERROR: soundmanager]" << func << "(" << line << "):" << message << endl; - va_end(args); - free(message); -} - -static void _DLOG(const char* func, const int line, const char* log, ...) -{ - char *message; - va_list args; - va_start(args, log); - if (log == NULL || vasprintf(&message, log, args) < 0) - message = NULL; - cout << "[DEBUG: soundmanager]" << func << "(" << line << "):" << message << endl; - va_end(args); - free(message); -} - -static bool has_verb(const string& verb) -{ - if(find(api_list.begin(), api_list.end(), verb) != api_list.end()) - return true; - else - return false; -} |