# HG changeset patch # User displacer # Date 1159734708 0 # Node ID 06e472d3f9f840b64a42f59fb5e72e65893308d4 # Parent efdc2a63be8e6296130608e42d0f540a4f237f1f base class for TCP connections :) diff -r efdc2a63be8e -r 06e472d3f9f8 QTfrontend/tcpBase.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QTfrontend/tcpBase.cpp Sun Oct 01 20:31:48 2006 +0000 @@ -0,0 +1,140 @@ +/* + * Hedgewars, a worms-like game + * Copyright (c) 2006 Igor Ulyanov + * + * Distributed under the terms of the BSD-modified licence: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * with the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "tcpBase.h" + +#include +#include + +#include + +#include "hwconsts.h" + +QList srvsList; + +TCPBase::TCPBase() +{ + IPCServer = new QTcpServer(this); + connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection())); + IPCServer->setMaxPendingConnections(1); +} + +void TCPBase::NewConnection() +{ + QTcpSocket * client = IPCServer->nextPendingConnection(); + if(!IPCSocket) { + IPCServer->close(); + IPCSocket = client; + connect(client, SIGNAL(disconnected()), this, SLOT(ClientDisconnect())); + connect(client, SIGNAL(readyRead()), this, SLOT(ClientRead())); + SendToClientFirst(); + } else { + qWarning("2nd IPC client?!"); + client->disconnectFromHost(); + } +} + +void TCPBase::RealStart() +{ + IPCSocket = 0; + if (!IPCServer->listen(QHostAddress::LocalHost, IPC_PORT)) { + QMessageBox::critical(0, tr("Error"), + tr("Unable to start the server: %1.") + .arg(IPCServer->errorString())); + } + + QProcess * process; + process = new QProcess; + connect(process, SIGNAL(error(QProcess::ProcessError)), this, SLOT(StartProcessError(QProcess::ProcessError))); + QStringList arguments=setArguments(); + process->start(bindir->absolutePath() + "/hwengine", arguments); +} + +void TCPBase::ClientDisconnect() +{ + IPCSocket->close(); + IPCServer->close(); + + onClientDisconnect(); + + readbuffer.clear(); + + if(srvsList.size()==1) srvsList.pop_front(); + emit isReadyNow(); +} + +void TCPBase::ClientRead() +{ + readbuffer.append(IPCSocket->readAll()); + onClientRead(); +} + +void TCPBase::StartProcessError(QProcess::ProcessError error) +{ + QMessageBox::critical(0, tr("Error"), + tr("Unable to run engine: %1 (") + .arg(error) + bindir->absolutePath() + "/hwengine)"); +} + +void TCPBase::tcpServerReady() +{ + disconnect(srvsList.front(), SIGNAL(isReadyNow()), *(++srvsList.begin()), SLOT(tcpServerReady())); + srvsList.pop_front(); + + RealStart(); +} + +void TCPBase::Start() +{ + if(srvsList.isEmpty()) { + srvsList.push_back(this); + } else { + connect(srvsList.back(), SIGNAL(isReadyNow()), this, SLOT(tcpServerReady())); + srvsList.push_back(this); + return; + } + + RealStart(); +} + +void TCPBase::onClientRead() +{ +} + +void TCPBase::onClientDisconnect() +{ +} + +void TCPBase::SendToClientFirst() +{ +} diff -r efdc2a63be8e -r 06e472d3f9f8 QTfrontend/tcpBase.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QTfrontend/tcpBase.h Sun Oct 01 20:31:48 2006 +0000 @@ -0,0 +1,84 @@ +/* + * Hedgewars, a worms-like game + * Copyright (c) 2006 Igor Ulyanov + * + * Distributed under the terms of the BSD-modified licence: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * with the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _TCPBASE_INCLUDED +#define _TCPBASE_INCLUDED + +#include +#include +#include +#include +#include +#include +#include + +#include + +#define IPC_PORT 46631 + +class TCPBase : public QObject +{ + Q_OBJECT + + public: + TCPBase(); + + signals: + void isReadyNow(); + + protected: + void Start(); + + QTcpSocket * IPCSocket; + QByteArray readbuffer; + + virtual QStringList setArguments()=0; + virtual void onClientRead(); + virtual void onClientDisconnect(); + virtual void SendToClientFirst(); + + + private: + void RealStart(); + QTcpServer * IPCServer; + + private slots: + void NewConnection(); + void ClientDisconnect(); + void ClientRead(); + void StartProcessError(QProcess::ProcessError error); + + void tcpServerReady(); +}; + +#endif // _TCPBASE_INCLUDED