QTfrontend/netserver.cpp
author unc0rr
Thu, 16 Aug 2007 11:36:25 +0000
changeset 569 4e41c9e9e4d1
parent 541 bc7be7f6d3e8
child 658 a7e625f5d9d0
permissions -rw-r--r--
Highlight some bad behavior of network server/clients
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/*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2006-2007 Ulyanov Igor <iulyanov@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "netserver.h"
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#include "netconnectedclient.h"
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <QMessageBox>
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const quint16 HWNetServer::ds_port=46631;
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extern char delimeter;
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void HWNetServer::StartServer()
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{
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  hhnum=0;
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  IPCServer = new QTcpServer(this);
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  if (!IPCServer->listen(QHostAddress::Any, ds_port)) {
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    QMessageBox::critical(0, tr("Error"),
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			  tr("Unable to start the server: %1.")
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			  .arg(IPCServer->errorString()));
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  }
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  connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection()));
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}
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void HWNetServer::StopServer()
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{
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  QList<HWConnectedClient*>::iterator it;
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  for(it=connclients.begin(); it!=connclients.end(); ++it) {
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    ClientDisconnect(*it);
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  }
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  IPCServer->close();
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}
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void HWNetServer::NewConnection()
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{
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  QTcpSocket* client = IPCServer->nextPendingConnection();
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  if(!client) return;
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  connclients.push_back(new HWConnectedClient(this, client));
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  connect(connclients.back(), SIGNAL(HWClientDisconnected(HWConnectedClient*)),
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	  this, SLOT(ClientDisconnect(HWConnectedClient*)));
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}
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void HWNetServer::ClientDisconnect(HWConnectedClient* client)
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{
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  QList<HWConnectedClient*>::iterator it=std::find(connclients.begin(), connclients.end(), client);
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  if(it==connclients.end())
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  {
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    qWarning("Unknown client disconnected");
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    return;
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  }
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  for(QList<QStringList>::iterator tmIt=(*it)->m_teamsCfg.begin(); tmIt!=(*it)->m_teamsCfg.end(); ++tmIt) {
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    sendOthers(*it, QString("REMOVETEAM:")+delimeter+*(tmIt->begin()) + delimeter + *(tmIt->begin()+1));
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  }
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  sendOthers(*it, QString("LEFT")+delimeter+client->client_nick);
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  connclients.erase(it);
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  //teamChanged();
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}
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QString HWNetServer::getRunningHostName() const
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{
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  return IPCServer->serverAddress().toString();
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}
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quint16 HWNetServer::getRunningPort() const
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{
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  return ds_port;
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}
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HWConnectedClient* HWNetServer::getChiefClient() const
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{
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  for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    // watch for first fully connected client (with confirmed nick)
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    if((*it)->getClientNick()!="") return *it;
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  }
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  return 0;
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}
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bool HWNetServer::isChiefClient(HWConnectedClient* cl) const
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{
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  return getChiefClient()==cl;
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}
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QMap<QString, QStringList> HWNetServer::getGameCfg() const
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{
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  return m_gameCfg;
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}
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bool HWNetServer::haveNick(const QString& nick) const
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{
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  for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    if((*it)->getClientNick()==nick) {
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      return true;
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    }
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  }
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  return false;
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}
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void HWNetServer::sendNicks(HWConnectedClient* cl) const
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{
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  for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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      cl->RawSendNet(QString("JOINED")+delimeter+(*it)->client_nick);
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  }
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}
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QList<QStringList> HWNetServer::getTeamsConfig() const
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{
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  QList<QStringList> lst;
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  for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    try {
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      lst+=(*it)->getTeamNames();
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    } catch(HWConnectedClient::NoTeamNameException& e) {
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    }
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  }
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  return lst;
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}
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bool HWNetServer::shouldStart(HWConnectedClient* client)
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{
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  QList<HWConnectedClient*>::iterator it=std::find(connclients.begin(), connclients.end(), client);
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  if(it==connclients.end() || *it!=client) return false;
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  for(it=connclients.begin(); it!=connclients.end(); ++it) {
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    if(!(*it)->isReady()) return false;
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  }
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  return true;
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}
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void HWNetServer::resetStart()
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{
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  QList<HWConnectedClient*>::iterator it;
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  for(it=connclients.begin(); it!=connclients.end(); ++it) {
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    (*it)->readyToStart=false;
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  }
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}
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QString HWNetServer::prepareConfig(QStringList lst)
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{
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  QString msg=lst.join((QString)delimeter)+delimeter;
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  for(QList<HWConnectedClient*>::iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    if(!(*it)->isReady()) continue;
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    msg+=(*it)->getHedgehogsDescription()+delimeter;
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  }
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  return msg;
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}
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void HWNetServer::sendAll(QString gameCfg)
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{
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  for(QList<HWConnectedClient*>::iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    (*it)->RawSendNet(gameCfg);
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  }
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}
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void HWNetServer::sendOthers(HWConnectedClient* this_cl, QString gameCfg)
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{
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  for(QList<HWConnectedClient*>::iterator it=connclients.begin(); it!=connclients.end(); ++it) {
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    if(*it==this_cl) continue;
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    (*it)->RawSendNet(gameCfg);
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  }
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}