work on ClientModule, add ChatServer

modules/ClientModule/src/ClientModule.cpp

@@ -5,17 +5,137 @@ ClientModule::ClientModule(Archimedes::App* a, void* h) : Archimedes::Module(a,
 }
 
 ClientModule::~ClientModule() {
-    GameNetworkingSockets_Kill();
+    if(app) {
+        app->unregisterEvent(CMEvent::DataRecievedEvent());
+        app->unregisterEvent(CMEvent::DataSentEvent());
+        app->unregisterEvent(CMEvent::ConnectionStatusChangedEvent());
+
+        GameNetworkingSockets_Kill();
+    }
 }
 
 void ClientModule::onLoad() {
+
+    app->registerEvent(CMEvent::DataSentEvent());
+    app->registerEvent(CMEvent::DataRecievedEvent());
+    app->registerEvent(CMEvent::ConnectionStatusChangedEvent());
+    
     SteamDatagramErrMsg errMsg;
 	if ( !GameNetworkingSockets_Init( nullptr, errMsg ) ) {
 	    //FatalError( "GameNetworkingSockets_Init failed.  %s", errMsg );
         std::cerr << "GameNetworkingSockets_Init() Failed: " << errMsg << std::endl;
     }
 
-    //g_logTimeZero = SteamNetworkingUtils()->GetLocalTimestamp();
-
 	//SteamNetworkingUtils()->SetDebugOutputFunction( k_ESteamNetworkingSocketsDebugOutputType_Msg, DebugOutput );
+    
+    interface = SteamNetworkingSockets();
+
+}
+
+void ClientModule::startClient(SteamNetworkingIPAddr& serverAddr) {
+    if(!running) {
+        // Start connecting
+        char szAddr[ SteamNetworkingIPAddr::k_cchMaxString ];
+        serverAddr.ToString( szAddr, sizeof(szAddr), true );
+        //Printf( "Connecting to chat server at %s", szAddr );
+        SteamNetworkingConfigValue_t opt;
+        opt.SetPtr( k_ESteamNetworkingConfig_Callback_ConnectionStatusChanged, (void*)SteamNetConnectionStatusChangedCallback );
+        connection = interface->ConnectByIPAddress( serverAddr, 1, &opt );
+        if ( connection == k_HSteamNetConnection_Invalid )
+            std::cerr << "Failed to create connection\n";
+
+        running = true;
+    }
+}
+
+void ClientModule::stopClient() { running = false; }
+
+void ClientModule::run() {
+
+    if(running) {
+		pollIncomingData();
+		PollConnectionStateChanges();
+    }
+}
+
+bool ClientModule::onEvent(const Archimedes::Event& event) {
+
+    unsigned int type = app->getEventType(event);
+
+    if(eventsToHandle & CMEventEnum::ConnectionStatusChanged && type == app->getEventType("ConnectionStatusChangedEvent")) {
+        
+        CMEvent::ConnectionStatusChangedEvent& e = (CMEvent::ConnectionStatusChangedEvent&) event;
+        
+        switch(e.info->m_info.m_eState) {
+            
+            case k_ESteamNetworkingConnectionState_None:
+                // NOTE: We will get callbacks here when we destroy connections.  You can ignore these.
+                break;
+
+            case k_ESteamNetworkingConnectionState_ClosedByPeer:
+            case k_ESteamNetworkingConnectionState_ProblemDetectedLocally:
+                {
+                    // Ignore if they were not previously connected.  (If they disconnected
+                    // before we accepted the connection.)
+                    if ( e.info->m_eOldState == k_ESteamNetworkingConnectionState_Connected )
+                    {
+
+                    }
+                    else
+                    {
+                        assert( e.info->m_eOldState == k_ESteamNetworkingConnectionState_Connecting );
+                    }
+
+                    // Clean up the connection.  This is important!
+                    // The connection is "closed" in the network sense, but
+                    // it has not been destroyed.  We must close it on our end, too
+                    // to finish up.  The reason information do not matter in this case,
+                    // and we cannot linger because it's already closed on the other end,
+                    // so we just pass 0's.
+                    //
+                    // OnDisconnect
+                    interface->CloseConnection( e.info->m_hConn, 0, nullptr, false );
+                    connection = k_HSteamNetConnection_Invalid;
+                    break;
+                }
+
+            case k_ESteamNetworkingConnectionState_Connecting:
+                {
+                    break;
+                }
+
+            case k_ESteamNetworkingConnectionState_Connected:
+                //OnConnect
+                break;
+
+            default:
+                // Silences -Wswitch
+                break;
+        }
+        return true;
+
+    } else if(eventsToHandle & CMEventEnum::DataRecieved && type == app->getEventType("DataRecievedEvent")) {
+        return true;
+    } else if(eventsToHandle & CMEventEnum::DataSent && type == app->getEventType("DataSentEvent")) {
+        return true;
+    }			
+
+    return false;
+}
+
+void ClientModule::pollIncomingData() {
+
+    while ( running )
+    {
+        ISteamNetworkingMessage *pIncomingMsg = nullptr;
+        int numMsgs = interface->ReceiveMessagesOnConnection( connection, &pIncomingMsg, 1 );
+        if ( numMsgs == 0 )
+            break;
+        if ( numMsgs < 0 )
+            std::cerr << "Error checking for messages" << std::endl;
+        assert( numMsgs == 1 && pIncomingMsg );
+        assert( pIncomingMsg->m_conn == connection );
+
+        app->emitEvent(new CMEvent::DataRecievedEvent(pIncomingMsg));
+    }
 }