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https://github.com/g4klx/ircDDBGateway.git
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Initial commit.
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Jonathan Naylor
commit
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447
ircDDB/IRCProtocol.cpp
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447
ircDDB/IRCProtocol.cpp
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/*
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CIRCDDB - ircDDB client library in C++
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Copyright (C) 2010-2011 Michael Dirska, DL1BFF (dl1bff@mdx.de)
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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, either version 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "IRCProtocol.h"
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#include <wx/regex.h>
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#define CIRCDDB_VERSION "1.2.4"
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IRCProtocol::IRCProtocol ( IRCApplication * app,
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const wxString& callsign, const wxString& password, const wxString& channel,
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const wxString& versionInfo )
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{
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this -> password = password;
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this -> channel = channel;
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this -> app = app;
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this->versionInfo = wxT("CIRCDDB:");
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this->versionInfo.Append(wxT(CIRCDDB_VERSION));
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if (versionInfo.Len() > 0)
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{
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this->versionInfo.Append(wxT(" "));
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this->versionInfo.Append(versionInfo);
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}
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int hyphenPos = callsign.find(wxT('-'));
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if (hyphenPos == wxNOT_FOUND)
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{
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wxString n;
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n = callsign + wxT("-1");
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nicks.Add(n);
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n = callsign + wxT("-2");
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nicks.Add(n);
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n = callsign + wxT("-3");
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nicks.Add(n);
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n = callsign + wxT("-4");
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nicks.Add(n);
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}
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else
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{
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nicks.Add(callsign);
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}
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name = callsign;
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pingTimer = 60; // 30 seconds
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state = 0;
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timer = 0;
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chooseNewNick();
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}
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IRCProtocol::~IRCProtocol()
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{
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}
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void IRCProtocol::chooseNewNick()
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{
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int r = rand() % nicks.GetCount();
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currentNick = nicks[r];
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}
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void IRCProtocol::setNetworkReady( bool b )
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{
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if (b == true)
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{
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if (state != 0)
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{
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wxLogError(wxT("IRCProtocol::setNetworkReady: unexpected state"));
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}
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state = 1;
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chooseNewNick();
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}
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else
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{
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state = 0;
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}
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}
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bool IRCProtocol::processQueues ( IRCMessageQueue * recvQ, IRCMessageQueue * sendQ )
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{
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if (timer > 0)
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{
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timer --;
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}
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while (recvQ->messageAvailable())
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{
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IRCMessage * m = recvQ -> getMessage();
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#if defined(DEBUG_IRC)
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wxString d = wxT("R [") + m->prefix + wxT("] [") + m->command + wxT("]");
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for (int i=0; i < m->numParams; i++)
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{
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d.Append(wxT(" [") + m->params[i] + wxT("]") );
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}
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d.Replace(wxT("%"), wxT("%%"), true);
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d.Replace(wxT("\\"), wxT("\\\\"), true);
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wxLogVerbose(d);
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#endif
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if (m->command.IsSameAs(wxT("004")))
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{
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if (state == 4)
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{
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if (m->params.GetCount() > 1)
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{
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wxRegEx serverNamePattern(wxT("^grp[1-9]s[1-9].ircDDB$"));
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if (serverNamePattern.Matches( m->params[1] ))
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{
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app->setBestServer(wxT("s-") + m->params[1].Mid(0,6));
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}
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}
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state = 5; // next: JOIN
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app->setCurrentNick(currentNick);
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}
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}
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else if (m->command.IsSameAs(wxT("PING")))
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{
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IRCMessage * m2 = new IRCMessage();
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m2->command = wxT("PONG");
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if (m->params.GetCount() > 0)
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{
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m2->numParams = 1;
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m2->params.Add( m->params[0] );
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}
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sendQ -> putMessage(m2);
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}
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else if (m->command.IsSameAs(wxT("JOIN")))
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{
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if ((m->numParams >= 1) && m->params[0].IsSameAs(channel))
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{
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if (m->getPrefixNick().IsSameAs(currentNick) && (state == 6))
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{
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if (debugChannel.Len() > 0)
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{
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state = 7; // next: join debug_channel
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}
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else
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{
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state = 10; // next: WHO *
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}
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}
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else if (app != NULL)
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{
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app->userJoin( m->getPrefixNick(), m->getPrefixName(), m->getPrefixHost());
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}
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}
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if ((m->numParams >= 1) && m->params[0].IsSameAs(debugChannel))
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{
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if (m->getPrefixNick().IsSameAs(currentNick) && (state == 8))
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{
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state = 10; // next: WHO *
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}
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}
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}
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else if (m->command.IsSameAs(wxT("PONG")))
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{
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if (state == 12)
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{
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timer = pingTimer;
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state = 11;
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}
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}
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else if (m->command.IsSameAs(wxT("PART")))
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{
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if ((m->numParams >= 1) && m->params[0].IsSameAs(channel))
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{
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if (app != NULL)
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{
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app->userLeave( m->getPrefixNick() );
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}
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}
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}
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else if (m->command.IsSameAs(wxT("KICK")))
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{
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if ((m->numParams >= 2) && m->params[0].IsSameAs(channel))
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{
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if (m->params[1].IsSameAs(currentNick))
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{
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// i was kicked!!
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delete m;
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return false;
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}
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else if (app != NULL)
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{
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app->userLeave( m->params[1] );
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}
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}
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}
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else if (m->command.IsSameAs(wxT("QUIT")))
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{
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if (app != NULL)
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{
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app->userLeave( m->getPrefixNick() );
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}
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}
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else if (m->command.IsSameAs(wxT("MODE")))
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{
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if ((m->numParams >= 3) && m->params[0].IsSameAs(channel))
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{
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if (app != NULL)
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{
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size_t i;
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wxString mode = m->params[1];
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for (i = 1; (i < mode.Len()) && ((size_t) m->numParams >= (i+2)); i++)
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{
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if ( mode[i] == wxT('o') )
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{
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if ( mode[0] == wxT('+') )
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{
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app->userChanOp(m->params[i+1], true);
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}
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else if ( mode[0] == wxT('-') )
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{
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app->userChanOp(m->params[i+1], false);
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}
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}
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} // for
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}
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}
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}
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else if (m->command.IsSameAs(wxT("PRIVMSG")))
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{
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if ((m->numParams == 2) && (app != NULL))
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{
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if (m->params[0].IsSameAs(channel))
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{
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app->msgChannel(m);
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}
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else if (m->params[0].IsSameAs(currentNick))
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{
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app->msgQuery(m);
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}
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}
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}
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else if (m->command.IsSameAs(wxT("352"))) // WHO list
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{
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if ((m->numParams >= 7) && m->params[0].IsSameAs(currentNick)
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&& m->params[1].IsSameAs(channel))
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{
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if (app != NULL)
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{
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app->userJoin( m->params[5], m->params[2], m->params[3]);
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app->userChanOp ( m->params[5], m->params[6].IsSameAs(wxT("H@")));
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}
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}
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}
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else if (m->command.IsSameAs(wxT("433"))) // nick collision
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{
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if (state == 2)
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{
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state = 3; // nick collision, choose new nick
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timer = 10; // wait 5 seconds..
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}
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}
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else if (m->command.IsSameAs(wxT("332")) ||
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m->command.IsSameAs(wxT("TOPIC"))) // topic
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{
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if ((m->numParams == 2) && (app != NULL) &&
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m->params[0].IsSameAs(channel) )
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{
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app->setTopic(m->params[1]);
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}
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}
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delete m;
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}
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IRCMessage * m;
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switch (state)
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{
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case 1:
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m = new IRCMessage();
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m->command = wxT("PASS");
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m->numParams = 1;
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m->params.Add(password);
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sendQ->putMessage(m);
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m = new IRCMessage();
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m->command = wxT("NICK");
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m->numParams = 1;
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m->params.Add(currentNick);
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sendQ->putMessage(m);
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timer = 10; // wait for possible nick collision message
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state = 2;
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break;
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case 2:
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if (timer == 0)
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{
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m = new IRCMessage();
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m->command = wxT("USER");
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m->numParams = 4;
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m->params.Add(name);
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m->params.Add(wxT("0"));
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m->params.Add(wxT("*"));
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m->params.Add(versionInfo);
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sendQ->putMessage(m);
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timer = 30;
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state = 4; // wait for login message
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}
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break;
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case 3:
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if (timer == 0)
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{
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chooseNewNick();
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m = new IRCMessage();
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m->command = wxT("NICK");
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m->numParams = 1;
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m->params.Add(currentNick);
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sendQ->putMessage(m);
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timer = 10; // wait for possible nick collision message
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state = 2;
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}
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break;
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case 4:
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if (timer == 0)
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{
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// no login message received -> disconnect
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return false;
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}
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break;
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case 5:
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m = new IRCMessage();
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m->command = wxT("JOIN");
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m->numParams = 1;
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m->params.Add(channel);
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sendQ->putMessage(m);
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timer = 30;
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state = 6; // wait for join message
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break;
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case 6:
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if (timer == 0)
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{
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// no join message received -> disconnect
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return false;
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}
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break;
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case 7:
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if (debugChannel.Len() == 0)
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{
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return false; // this state cannot be processed if there is no debug_channel
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}
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m = new IRCMessage();
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m->command = wxT("JOIN");
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m->numParams = 1;
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m->params.Add(debugChannel);
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sendQ->putMessage(m);
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timer = 30;
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state = 8; // wait for join message
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break;
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case 8:
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if (timer == 0)
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{
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// no join message received -> disconnect
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return false;
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}
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break;
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case 10:
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m = new IRCMessage();
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m->command = wxT("WHO");
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m->numParams = 2;
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m->params.Add(channel);
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m->params.Add(wxT("*"));
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sendQ->putMessage(m);
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timer = pingTimer;
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state = 11; // wait for timer and then send ping
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if (app != NULL)
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{
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app->setSendQ(sendQ); // this switches the application on
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}
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break;
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case 11:
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if (timer == 0)
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{
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m = new IRCMessage();
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m->command = wxT("PING");
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m->numParams = 1;
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m->params.Add(currentNick);
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sendQ->putMessage(m);
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timer = pingTimer;
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state = 12; // wait for pong
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}
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break;
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case 12:
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if (timer == 0)
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{
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// no pong message received -> disconnect
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return false;
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}
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break;
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}
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return true;
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}
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