Move some code from network to base classes.

1 files changed, 9 insertions, 293 deletions

diff --git a/src/net/tmwa/network.cpp b/src/net/tmwa/network.cpp
index 4f2f85a51..98f6485a7 100644
--- a/src/net/tmwa/network.cpp
+++ b/src/net/tmwa/network.cpp
@@ -90,112 +90,17 @@ short packet_lengths[] =
  -1, 122,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
 };
 
-const unsigned int BUFFER_SIZE = 1000000;
-const unsigned int BUFFER_LIMIT = 930000;
-
-int networkThread(void *data)
-{
-    Network *network = static_cast<Network*>(data);
-
-    if (!network || !network->realConnect())
-        return -1;
-
-    network->receive();
-
-    return 0;
-}
-
 Network *Network::mInstance = nullptr;
 
-Network::Network() :
-    mSocket(nullptr),
-    mInBuffer(new char[BUFFER_SIZE]),
-    mOutBuffer(new char[BUFFER_SIZE]),
-    mInSize(0),
-    mOutSize(0),
-    mToSkip(0),
-    mState(IDLE),
-    mWorkerThread(nullptr)
+Network::Network()
 {
-    SDLNet_Init();
-
-    mMutex = SDL_CreateMutex();
     mInstance = this;
 }
 
 Network::~Network()
 {
     clearHandlers();
-
-    if (mState != IDLE && mState != NET_ERROR)
-        disconnect();
-
-    SDL_DestroyMutex(mMutex);
-    mMutex = nullptr;
     mInstance = nullptr;
-
-    delete []mInBuffer;
-    delete []mOutBuffer;
-
-    SDLNet_Quit();
-}
-
-bool Network::connect(ServerInfo server)
-{
-    if (mState != IDLE && mState != NET_ERROR)
-    {
-        logger->log1("Tried to connect an already connected socket!");
-        assert(false);
-        return false;
-    }
-
-    if (server.hostname.empty())
-    {
-        setError(_("Empty address given to Network::connect()!"));
-        return false;
-    }
-
-    logger->log("Network::Connecting to %s:%i",
-        server.hostname.c_str(), server.port);
-
-    mServer.hostname = server.hostname;
-    mServer.port = server.port;
-
-    // Reset to sane values
-    mOutSize = 0;
-    mInSize = 0;
-    mToSkip = 0;
-
-    mState = CONNECTING;
-    mWorkerThread = SDL_CreateThread(networkThread, this);
-    if (!mWorkerThread)
-    {
-        setError("Unable to create network worker thread");
-        return false;
-    }
-
-    return true;
-}
-
-void Network::disconnect()
-{
-    mState = IDLE;
-
-    if (mWorkerThread && SDL_GetThreadID(mWorkerThread))
-    {
-        SDL_WaitThread(mWorkerThread, nullptr);
-        mWorkerThread = nullptr;
-    }
-
-    if (mSocket)
-    {
-        // need call SDLNet_TCP_DelSocket?
-        SDLNet_TCP_Close(mSocket);
-        mSocket = nullptr;
-        int sleep = config.getIntValue("networksleep");
-        if (sleep > 0)
-            SDL_Delay(sleep);
-    }
 }
 
 void Network::registerHandler(MessageHandler *handler)
@@ -256,49 +161,6 @@ void Network::dispatchMessages()
     }
 }
 
-void Network::flush()
-{
-    if (!mOutSize || mState != CONNECTED)
-        return;
-
-    int ret;
-
-    SDL_mutexP(mMutex);
-    ret = SDLNet_TCP_Send(mSocket, mOutBuffer, mOutSize);
-    DEBUGLOG("Send " + toString(mOutSize) + " bytes");
-    if (ret < static_cast<int>(mOutSize))
-    {
-        setError("Error in SDLNet_TCP_Send(): " +
-            std::string(SDLNet_GetError()));
-    }
-    mOutSize = 0;
-    SDL_mutexV(mMutex);
-}
-
-void Network::skip(int len)
-{
-    SDL_mutexP(mMutex);
-    mToSkip += len;
-    if (!mInSize)
-    {
-        SDL_mutexV(mMutex);
-        return;
-    }
-
-    if (mInSize >= mToSkip)
-    {
-        mInSize -= mToSkip;
-        memmove(mInBuffer, mInBuffer + mToSkip, mInSize);
-        mToSkip = 0;
-    }
-    else
-    {
-        mToSkip -= mInSize;
-        mInSize = 0;
-    }
-    SDL_mutexV(mMutex);
-}
-
 bool Network::messageReady()
 {
     int len = -1;
@@ -308,11 +170,18 @@ bool Network::messageReady()
     {
         int msgId = readWord(0);
         if (msgId == SMSG_SERVER_VERSION_RESPONSE)
+        {
             len = 10;
+        }
         else if (msgId == SMSG_UPDATE_HOST2)
+        {
             len = -1;
+        }
         else
-            len = packet_lengths[msgId];
+        {
+            if (msgId >= 0 && msgId < sizeof(packet_lengths) / sizeof (short))
+                len = packet_lengths[msgId];
+        }
 
         if (len == -1 && mInSize > 4)
             len = readWord(2);
@@ -356,162 +225,9 @@ MessageIn Network::getNextMessage()
     return msg;
 }
 
-bool Network::realConnect()
-{
-    IPaddress ipAddress;
-
-    if (SDLNet_ResolveHost(&ipAddress, mServer.hostname.c_str(),
-        mServer.port) == -1)
-    {
-        std::string errorMessage = _("Unable to resolve host \"") +
-            mServer.hostname + "\"";
-        setError(errorMessage);
-        logger->log("SDLNet_ResolveHost: %s", errorMessage.c_str());
-        return false;
-    }
-
-    mState = CONNECTING;
-
-    mSocket = SDLNet_TCP_Open(&ipAddress);
-    if (!mSocket)
-    {
-        logger->log("Error in SDLNet_TCP_Open(): %s", SDLNet_GetError());
-        setError(SDLNet_GetError());
-        return false;
-    }
-
-    logger->log("Network::Started session with %s:%i",
-        ipToString(ipAddress.host), ipAddress.port);
-
-    mState = CONNECTED;
-
-    return true;
-}
-
-void Network::receive()
-{
-    SDLNet_SocketSet set;
-
-    if (!(set = SDLNet_AllocSocketSet(1)))
-    {
-        setError("Error in SDLNet_AllocSocketSet(): " +
-            std::string(SDLNet_GetError()));
-        return;
-    }
-
-    if (SDLNet_TCP_AddSocket(set, mSocket) == -1)
-    {
-        setError("Error in SDLNet_AddSocket(): " +
-            std::string(SDLNet_GetError()));
-    }
-
-    while (mState == CONNECTED)
-    {
-        // TODO Try to get this to block all the time while still being able
-        // to escape the loop
-        int numReady = SDLNet_CheckSockets(set, (static_cast<uint32_t>(500)));
-        int ret;
-        switch (numReady)
-        {
-            case -1:
-                logger->log1("Error: SDLNet_CheckSockets");
-                // FALLTHROUGH
-            case 0:
-                break;
-
-            case 1:
-                // Receive data from the socket
-                SDL_mutexP(mMutex);
-                if (mInSize > BUFFER_LIMIT)
-                {
-                    SDL_mutexV(mMutex);
-                    SDL_Delay(100);
-                    continue;
-                }
-
-                ret = SDLNet_TCP_Recv(mSocket, mInBuffer + mInSize,
-                                      BUFFER_SIZE - mInSize);
-
-                if (!ret)
-                {
-                    // We got disconnected
-                    mState = IDLE;
-                    logger->log1("Disconnected.");
-                }
-                else if (ret < 0)
-                {
-                    setError(_("Connection to server terminated. ") +
-                             std::string(SDLNet_GetError()));
-                }
-                else
-                {
-//                    DEBUGLOG("Receive " + toString(ret) + " bytes");
-                    mInSize += ret;
-                    if (mToSkip)
-                    {
-                        if (mInSize >= mToSkip)
-                        {
-                            mInSize -= mToSkip;
-                            memmove(mInBuffer, mInBuffer + mToSkip, mInSize);
-                            mToSkip = 0;
-                        }
-                        else
-                        {
-                            mToSkip -= mInSize;
-                            mInSize = 0;
-                        }
-                    }
-                }
-                SDL_mutexV(mMutex);
-                break;
-
-            default:
-                // more than one socket is ready..
-                // this should not happen since we only listen once socket.
-                std::stringstream errorStream;
-                errorStream << "Error in SDLNet_TCP_Recv(), " << numReady
-                            << " sockets are ready: " << SDLNet_GetError();
-                setError(errorStream.str());
-                break;
-        }
-    }
-
-    if (SDLNet_TCP_DelSocket(set, mSocket) == -1)
-        logger->log("Error in SDLNet_DelSocket(): %s", SDLNet_GetError());
-
-    SDLNet_FreeSocketSet(set);
-}
-
 Network *Network::instance()
 {
     return mInstance;
 }
 
-void Network::setError(const std::string &error)
-{
-    logger->log("Network error: %s", error.c_str());
-    mError = error;
-    mState = NET_ERROR;
-}
-
-uint16_t Network::readWord(int pos)
-{
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
-    return SDL_Swap16((*(uint16_t*)(mInBuffer + (pos))));
-#else
-    return (*reinterpret_cast<uint16_t*>(mInBuffer + (pos)));
-#endif
-}
-
-void Network::fixSendBuffer()
-{
-    if (mOutSize > BUFFER_LIMIT)
-    {
-        if (mState != CONNECTED)
-            mOutSize = 0;
-        else
-            flush();
-    }
-}
-
 } // namespace TmwAthena