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-rw-r--r--libsoundmanager/libsoundmanager.cpp650
1 files changed, 0 insertions, 650 deletions
diff --git a/libsoundmanager/libsoundmanager.cpp b/libsoundmanager/libsoundmanager.cpp
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--- a/libsoundmanager/libsoundmanager.cpp
+++ /dev/null
@@ -1,650 +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 <thread>
-#include <errno.h>
-#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 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("newMainConnection"),
- std::string("volumeChanged"),
- std::string("removedMainConnection"),
- std::string("sinkMuteStateChanged"),
- std::string("mainConnectionStateChanged"),
- std::string("setRoutingReady"),
- std::string("setRoutingRundown"),
- std::string("asyncConnect"),
- std::string("asyncSetSourceState")
-};
-
-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);
-}
-
-static void *event_loop_run(void *args)
-{
- struct sd_event* loop = (struct sd_event*)(args);
- DLOG("start eventloop");
- for(;;)
- sd_event_run(loop, 30000000);
-}
-
-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
- *
- * #### Rreturn
- * Returns 0 on success or -1 in case of 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 register 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of error.
- *
- * #### 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;
-}
-
-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")
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### 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")
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of error.
- *
- * #### Note
- * For now, aliase(hardware abstraction) like "DriverZone:Speaker" is undier hard consideration
- * Just "default" is usable. "default" parameter is set by soundmanager
- *
- */
-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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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
- *
- * #### Rreturn
- * - Returns 0 on success or -1 in case of 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_AsyncSetSourceState et, handler_asyncSetSourceState f)
-{
- if (et >= 1 && et <= 3) {
- 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);
- }
-
- if(ev.find("asyncSetSourceState") != string::npos){
- // check sourceID is indicated to me
- struct json_object *json_data, *jSourceID, *jsourceState, *jhandle;
- json_object_object_get_ex(ev_contents, "data", &json_data);
- json_object_object_get_ex(json_data, "sourceID", &jSourceID);
- int sourceID = json_object_get_int(jSourceID);
- /* This is not supported yet because application may have some sourceID.
- Application has to check sourceID
- if(find( msourceIDs.begin(),msourceIDs.end(), sourceID) != msourceIDs.end()){
- json_object_put(ev_contents);
- return;
- }*/
- json_object_object_get_ex(json_data, "sourceState", &jsourceState);
- json_object_object_get_ex(json_data, "handle", &jhandle);
- string sourceState = string(json_object_get_string(jsourceState));
- int handle = json_object_get_int(jhandle);
- dispatch_asyncSetSourceState(sourceID, handle, sourceState);
- json_object_put(json_data);
- json_object_put(jSourceID);
- json_object_put(jsourceState);
- json_object_put(jhandle);
- }
- 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_asyncSetSourceState(int sourceID, int handle, const string& sourceState){
- //dipatch event
- EventType_AsyncSetSourceState x;
- if(sourceState == "on"){
- x = Event_AsyncSetSourceState_On;
- }else if(sourceState == "off"){
- x = Event_AsyncSetSourceState_Off;
- }else if(sourceState == "pause"){
- x = Event_AsyncSetSourceState_Pause;
- }
- auto i = this->handlers.find(x);
- if(i != handlers.end()){
- i->second(sourceID, handle);
- return 0;
- }
- else{
- 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;
-}