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1 /* |
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2 * Hedgewars, a worms-like game |
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3 * Copyright (c) 2006 Ulyanov Igor <iulyanov@gmail.com> |
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4 * |
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5 * This program is free software; you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation; version 2 of the License |
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8 * |
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9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU General Public License |
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15 * along with this program; if not, write to the Free Software |
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16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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17 */ |
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18 |
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19 #include "netserver.h" |
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20 |
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21 #include <QTcpServer> |
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22 #include <QTcpSocket> |
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23 #include <QMessageBox> |
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24 |
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25 #include <algorithm> |
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26 |
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27 #include <QDebug> |
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28 |
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29 const quint16 HWNetServer::ds_port=46631; |
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30 |
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31 extern char delimeter; |
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32 |
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33 void HWNetServer::StartServer() |
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34 { |
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35 IPCServer = new QTcpServer(this); |
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36 if (!IPCServer->listen(QHostAddress::LocalHost, ds_port)) { |
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37 QMessageBox::critical(0, tr("Error"), |
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38 tr("Unable to start the server: %1.") |
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39 .arg(IPCServer->errorString())); |
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40 } |
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41 |
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42 connect(IPCServer, SIGNAL(newConnection()), this, SLOT(NewConnection())); |
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43 } |
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44 |
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45 void HWNetServer::StopServer() |
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46 { |
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47 IPCServer->close(); |
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48 } |
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49 |
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50 void HWNetServer::NewConnection() |
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51 { |
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52 QTcpSocket* client = IPCServer->nextPendingConnection(); |
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53 if(!client) return; |
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54 connclients.push_back(new HWConnectedClient(this, client)); |
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55 connect(connclients.back(), SIGNAL(HWClientDisconnected(HWConnectedClient*)), |
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56 this, SLOT(ClientDisconnect(HWConnectedClient*))); |
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57 } |
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58 |
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59 void HWNetServer::ClientDisconnect(HWConnectedClient* client) |
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60 { |
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61 QList<HWConnectedClient*>::iterator it=std::find(connclients.begin(), connclients.end(), client); |
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62 connclients.erase(it); |
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63 teamChanged(); |
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64 } |
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65 |
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66 QString HWNetServer::getRunningHostName() const |
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67 { |
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68 return IPCServer->serverAddress().toString(); |
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69 } |
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70 |
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71 quint16 HWNetServer::getRunningPort() const |
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72 { |
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73 return ds_port; |
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74 } |
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75 |
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76 bool HWNetServer::haveNick(const QString& nick) const |
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77 { |
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78 for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) { |
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79 if((*it)->getClientNick()==nick) { |
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80 return true; |
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81 } |
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82 } |
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83 return false; |
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84 } |
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85 |
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86 QStringList HWNetServer::getTeams() const |
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87 { |
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88 QStringList lst; |
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89 for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) { |
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90 try { |
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91 lst.push_back((*it)->getTeamName()); |
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92 } catch(HWConnectedClient::NoTeamNameException& e) { |
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93 } |
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94 } |
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95 return lst; |
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96 } |
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97 |
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98 void HWNetServer::teamChanged() |
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99 { |
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100 for(QList<HWConnectedClient*>::const_iterator it=connclients.begin(); it!=connclients.end(); ++it) { |
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101 (*it)->teamChangedNotify(); |
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102 } |
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103 } |
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104 |
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105 bool HWNetServer::shouldStart(HWConnectedClient* client) |
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106 { |
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107 QList<HWConnectedClient*>::iterator it=std::find(connclients.begin(), connclients.end(), client); |
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108 if(it==connclients.end() || *it!=client) return false; |
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109 for(it=connclients.begin(); it!=connclients.end(); ++it) { |
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110 if(!(*it)->isReady()) return false; |
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111 } |
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112 return true; |
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113 } |
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114 |
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115 QString HWNetServer::prepareConfig(QStringList lst) |
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116 { |
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117 QString msg=lst.join((QString)delimeter)+delimeter; |
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118 for(QList<HWConnectedClient*>::iterator it=connclients.begin(); it!=connclients.end(); ++it) { |
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119 if(!(*it)->isReady()) continue; |
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120 msg+=(*it)->getHedgehogsDescription()+delimeter; |
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121 } |
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122 qDebug() << msg; |
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123 return msg; |
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124 } |
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125 |
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126 HWConnectedClient::HWConnectedClient(HWNetServer* hwserver, QTcpSocket* client) : |
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127 readyToStart(false), |
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128 m_hwserver(hwserver), |
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129 m_client(client), |
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130 pclent_team(0) |
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131 { |
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132 connect(client, SIGNAL(disconnected()), this, SLOT(ClientDisconnect())); |
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133 connect(client, SIGNAL(readyRead()), this, SLOT(ClientRead())); |
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134 } |
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135 |
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136 HWConnectedClient::~HWConnectedClient() |
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137 { |
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138 if(pclent_team) delete pclent_team; |
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139 } |
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140 |
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141 void HWConnectedClient::ClientDisconnect() |
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142 { |
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143 emit(HWClientDisconnected(this)); |
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144 } |
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145 |
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146 void HWConnectedClient::ClientRead() |
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147 { |
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148 try { |
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149 while (m_client->canReadLine()) { |
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150 ParseLine(m_client->readLine().trimmed()); |
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151 } |
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152 } catch(ShouldDisconnectException& e) { |
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153 m_client->close(); |
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154 } |
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155 } |
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156 |
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157 void HWConnectedClient::ParseLine(const QByteArray & line) |
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158 { |
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159 QString msg = QString::fromUtf8 (line.data(), line.size()); |
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160 |
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161 qDebug() << "line " << msg << " received"; |
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162 |
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163 QStringList lst = msg.split(delimeter); |
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164 if(lst.size()<2) return; |
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165 if (lst[0] == "NICK") { |
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166 if(m_hwserver->haveNick(lst[1])) { |
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167 RawSendNet(QString("ERRONEUSNICKNAME")); |
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168 throw ShouldDisconnectException(); |
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169 } |
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170 |
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171 client_nick=lst[1]; |
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172 qDebug() << "send connected"; |
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173 RawSendNet(QString("CONNECTED")); |
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174 m_hwserver->teamChanged(); |
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175 return; |
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176 } |
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177 if(client_nick=="") return; |
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178 |
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179 if (lst[0]=="START:") { |
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180 readyToStart=true; |
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181 if(m_hwserver->shouldStart(this)) { |
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182 // start |
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183 RawSendNet(QString("CONFIGASKED")); |
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184 } |
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185 return; |
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186 } |
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187 |
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188 if(lst[0]=="CONFIGANSWER") { |
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189 lst.pop_front(); |
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190 RawSendNet(QString("CONFIGURED")+QString(delimeter)+m_hwserver->prepareConfig(lst)+delimeter+"!"+delimeter); |
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191 return; |
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192 } |
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193 |
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194 if(lst.size()<10) return; |
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195 if(lst[0]=="ADDTEAM:") { |
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196 lst.pop_front(); |
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197 if(pclent_team) delete pclent_team; |
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198 pclent_team=new HWTeam(lst); |
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199 m_hwserver->teamChanged(); |
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200 return; |
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201 } |
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202 } |
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203 |
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204 void HWConnectedClient::teamChangedNotify() |
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205 { |
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206 QString teams; |
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207 QStringList lst=m_hwserver->getTeams(); |
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208 for(int i=0; i<lst.size(); i++) { |
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209 teams+=delimeter+lst[i]; |
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210 } |
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211 RawSendNet(QString("TEAMCHANGED")+teams); |
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212 } |
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213 |
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214 void HWConnectedClient::RawSendNet(const QString & str) |
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215 { |
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216 RawSendNet(str.toUtf8()); |
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217 } |
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218 |
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219 void HWConnectedClient::RawSendNet(const QByteArray & buf) |
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220 { |
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221 m_client->write(buf); |
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222 m_client->write("\n", 1); |
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223 } |
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224 |
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225 QString HWConnectedClient::getClientNick() const |
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226 { |
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227 return client_nick; |
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228 } |
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229 |
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230 QString HWConnectedClient::getTeamName() const |
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231 { |
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232 if(!pclent_team) throw NoTeamNameException(); |
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233 return pclent_team->TeamName; |
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234 } |
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235 |
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236 bool HWConnectedClient::isReady() const |
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237 { |
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238 return readyToStart; |
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239 } |
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240 |
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241 QString HWConnectedClient::getHedgehogsDescription() const |
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242 { |
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243 return pclent_team->TeamGameConfig(65535, 4, 100).join((QString)delimeter); |
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244 } |