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QnetGateway/ircddb/IRCProtocol.cpp

404 lines
7.5 KiB

#include <string>
#include <vector>
#include <regex>
#include <mutex>
#include "IRCutils.h"
#include "IRCProtocol.h"
#include "IRCMessageQueue.h"
#include "IRCDDBApp.h"
#define CIRCDDB_VERSION "2.0.0"
void IRCProtocol::Init(IRCDDBApp *app, const std::string &callsign, const std::string &password, const std::string &channel, const std::string &versionInfo)
{
srand(time(NULL));
this->password = password;
this->channel = channel;
this->app = app;
this->versionInfo = "CIRCDDB:";
this->versionInfo.append(CIRCDDB_VERSION);
if (versionInfo.length() > 0)
{
this->versionInfo.append(" ");
this->versionInfo.append(versionInfo);
}
int hyphenPos = callsign.find('-');
if (hyphenPos < 0)
{
std::string n;
n = callsign + "-1";
nicks.push_back(n);
n = callsign + "-2";
nicks.push_back(n);
n = callsign + "-3";
nicks.push_back(n);
n = callsign + "-4";
nicks.push_back(n);
}
else
{
nicks.push_back(callsign);
}
name = callsign;
pingTimer = 60; // 30 seconds
state = 0;
timer = 0;
chooseNewNick();
}
IRCProtocol::~IRCProtocol()
{
}
void IRCProtocol::chooseNewNick()
{
int r = rand() % nicks.size();
currentNick = nicks[r];
}
void IRCProtocol::setNetworkReady(bool b)
{
if (b == true)
{
if (state != 0)
printf("IRCProtocol::setNetworkReady: unexpected state");
state = 1;
chooseNewNick();
}
else
{
state = 0;
}
}
bool IRCProtocol::processQueues(IRCMessageQueue *recvQ, IRCMessageQueue *sendQ)
{
if (timer > 0)
{
timer--;
}
while (recvQ->messageAvailable())
{
IRCMessage *m = recvQ->getMessage();
#if defined(DEBUG_IRC)
std::string d = std::string("R [") + m->prefix + std::string("] [") + m->command + std::string("]");
for (int i=0; i < m->numParams; i++)
{
d.append(std::string(" [") + m->params[i] + std::string("]") );
}
// d.Replace(std::string("%"), std::string("%%"), true);
// d.Replace(std::string("\\"), std::string("\\\\"), true);
printf("%s\n", d.c_str());
#endif
if (0 == m->command.compare("004"))
{
if (state == 4)
{
if (m->params.size() > 1)
{
std::regex serverNamePattern("^grp[1-9]s[1-9].ircDDB$");
if (std::regex_match(m->params[1], serverNamePattern))
{
app->setBestServer(std::string("s-") + m->params[1].substr(0,6));
}
}
state = 5; // next: JOIN
app->setCurrentNick(currentNick);
}
}
else if (0 == m->command.compare("PING"))
{
IRCMessage *m2 = new IRCMessage();
m2->command = "PONG";
if (m->params.size() > 0)
{
m2->numParams = 1;
m2->params.push_back( m->params[0] );
}
sendQ -> putMessage(m2);
}
else if (0 == m->command.compare("JOIN"))
{
if ((m->numParams >= 1) && 0==m->params[0].compare(channel))
{
if (0==m->getPrefixNick().compare(currentNick) && (state == 6))
{
if (debugChannel.length() > 0)
{
state = 7; // next: join debug_channel
}
else
{
state = 10; // next: WHO *
}
}
else if (app != NULL)
{
app->userJoin( m->getPrefixNick(), m->getPrefixName(), m->getPrefixHost());
}
}
if ((m->numParams >= 1) && 0==m->params[0].compare(debugChannel))
{
if (0==m->getPrefixNick().compare(currentNick) && (state == 8))
{
state = 10; // next: WHO *
}
}
}
else if (0 == m->command.compare("PONG"))
{
if (state == 12)
{
timer = pingTimer;
state = 11;
}
}
else if (0 == m->command.compare("PART"))
{
if ((m->numParams >= 1) && 0==m->params[0].compare(channel))
{
if (app != NULL)
{
app->userLeave( m->getPrefixNick() );
}
}
}
else if (0 == m->command.compare("KICK"))
{
if ((m->numParams >= 2) && 0==m->params[0].compare(channel))
{
if (0 == m->params[1].compare(currentNick))
{
// i was kicked!!
delete m;
return false;
}
else if (app != NULL)
{
app->userLeave( m->params[1] );
}
}
}
else if (0 == m->command.compare("QUIT"))
{
if (app != NULL)
{
app->userLeave( m->getPrefixNick() );
}
}
else if (0 == m->command.compare("PRIVMSG"))
{
if (app)
{
// std::string out;
// m->composeMessage(out);
// out.pop_back(); out.pop_back();
if (2 == m->numParams)
{
if (0 == m->params[0].compare(channel))
{
app->msgChannel(m);
}
else if (0 == m->params[0].compare(currentNick))
{
if (0 == m->params[1].find("IDRT_PING"))
{
std::string from = m->params[1].substr(10);
IRCMessage *rm = new IRCMessage("IDRT_PING");
rm->addParam(from);
app->putReplyMessage(rm);
}
else
app->msgQuery(m);
}
}
}
}
else if (0 == m->command.compare("352")) // WHO list
{
if ((m->numParams >= 7) && 0==m->params[0].compare(currentNick) && 0==m->params[1].compare(channel))
{
if (app != NULL)
{
app->userJoin(m->params[5], m->params[2], m->params[3]);
}
}
}
else if (0 == m->command.compare("433")) // nick collision
{
if (state == 2)
{
state = 3; // nick collision, choose new nick
timer = 10; // wait 5 seconds..
}
}
delete m;
}
IRCMessage * m;
switch (state)
{
case 1:
m = new IRCMessage();
m->command = "PASS";
m->numParams = 1;
m->params.push_back(password);
sendQ->putMessage(m);
m = new IRCMessage();
m->command = "NICK";
m->numParams = 1;
m->params.push_back(currentNick);
sendQ->putMessage(m);
timer = 10; // wait for possible nick collision message
state = 2;
break;
case 2:
if (timer == 0)
{
m = new IRCMessage();
m->command = "USER";
m->numParams = 4;
m->params.push_back(name);
m->params.push_back("0");
m->params.push_back("*");
m->params.push_back(versionInfo);
sendQ->putMessage(m);
timer = 30;
state = 4; // wait for login message
}
break;
case 3:
if (timer == 0)
{
chooseNewNick();
m = new IRCMessage();
m->command = "NICK";
m->numParams = 1;
m->params.push_back(currentNick);
sendQ->putMessage(m);
timer = 10; // wait for possible nick collision message
state = 2;
}
break;
case 4:
if (timer == 0)
{
// no login message received -> disconnect
return false;
}
break;
case 5:
m = new IRCMessage();
m->command = "JOIN";
m->numParams = 1;
m->params.push_back(channel);
sendQ->putMessage(m);
timer = 30;
state = 6; // wait for join message
break;
case 6:
if (timer == 0)
{
// no join message received -> disconnect
return false;
}
break;
case 7:
if (debugChannel.length() == 0)
{
return false; // this state cannot be processed if there is no debug_channel
}
m = new IRCMessage();
m->command = "JOIN";
m->numParams = 1;
m->params.push_back(debugChannel);
sendQ->putMessage(m);
timer = 30;
state = 8; // wait for join message
break;
case 8:
if (timer == 0)
{
// no join message received -> disconnect
return false;
}
break;
case 10:
m = new IRCMessage();
m->command = "WHO";
m->numParams = 2;
m->params.push_back(channel);
m->params.push_back("*");
sendQ->putMessage(m);
timer = pingTimer;
state = 11; // wait for timer and then send ping
if (app != NULL)
{
app->setSendQ(sendQ); // this switches the application on
}
break;
case 11:
if (timer == 0)
{
m = new IRCMessage();
m->command = "PING";
m->numParams = 1;
m->params.push_back(currentNick);
sendQ->putMessage(m);
timer = pingTimer;
state = 12; // wait for pong
}
break;
case 12:
if (timer == 0)
{
// no pong message received -> disconnect
return false;
}
break;
}
return true;
}

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