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gpchat.cpp
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gpchat.cpp
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#include "gpchat.h"
#include <QtDebug>
GPChat::GPChat(QString host, unsigned short port, QString user, int room, QString password)
: m_nLastRoom(-1), m_nLastSubroom(-1), m_nFirstRoom(room), m_status(StatusNone)
{
connect(&m_socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
connect(&m_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(error(QAbstractSocket::SocketError)));
connect(&m_socket, SIGNAL(connected()), this, SLOT(connected()));
connect(&m_timer, SIGNAL(timeout()), this, SLOT(ping()));
m_socket.connectToHost(host, port);
m_codec = QTextCodec::codecForName("Windows-1250");
m_strUser = m_codec->fromUnicode(user);
m_strPassword = m_codec->fromUnicode(password);
m_timer.start(20000);
}
void GPChat::error(QAbstractSocket::SocketError /*socketError*/)
{
emit errorMessage(QString("Chat: chyba socketu: ") + m_socket.errorString());
}
void GPChat::connected()
{
m_status = StatusHello;
}
void GPChat::disconnected()
{
emit errorMessage(QString::fromUtf8("Chat: připojení k serveru ztraceno"));
m_status = StatusNone;
}
void GPChat::ping()
{
if(m_status == StatusConnected)
{
ChatCmd cmd;
cmd.name = "P";
cmd.value = "PING";
m_socket.write(cmd2data(cmd));
}
}
void GPChat::sendMessage(QString message)
{
if(m_status != StatusConnected)
emit errorMessage(QString::fromUtf8("Zprávu nelze nyní odeslat, zkuste to později"));
else
{
ChatCmd cmd;
cmd.name = "RUSER_MESSAGE";
cmd.value = "Name";
cmd.listParams << m_strRoom << "" << m_codec->fromUnicode(message) << "";
m_socket.write(cmd2data(cmd));
}
}
void GPChat::joinRoom(int room, int subroom)
{
ChatCmd cmd;
qDebug() << "joinRoom" << room << subroom;
if(m_nLastRoom != -1 && m_nLastSubroom != -1 && (room != m_nLastRoom || subroom != m_nLastSubroom))
{
// leave
m_strRoom = QByteArray().append(QString("GP_%1_%2").arg(m_nLastRoom).arg(m_nLastSubroom));
cmd.name = "RLEAVE_ROOM";
cmd.value = "Name";
cmd.listParams << m_strRoom << "";
m_status = StatusLeave;
}
else
{
QString strRoom;
cmd.name = "RJOIN_ROOM";
cmd.value = "Name";
if(subroom != -1)
m_strRoom = QByteArray().append(QString("GP_%1_%2").arg(room).arg(subroom));
else
m_strRoom = QByteArray().append(QString("GP_%1").arg(room));
cmd.listParams << m_strRoom << "1" << "1" << "0" << "1" << "1" << "";
m_status = StatusJoin;
}
m_nLastRoom = room;
m_nLastSubroom = subroom;
m_socket.write(cmd2data(cmd));
}
void GPChat::readyRead()
{
QByteArray array;
ChatCmd cmd;
while(true)
{
array += m_socket.readAll();
qDebug() << "Chat: Received" << array.size() << "bytes";
if(array.size() && array[array.size()-1] == '\xa6')
{
qDebug() << "Chat: done receiving";
break;
}
m_socket.waitForReadyRead(100);
}
cmd = data2cmd(array);
qDebug() << "***Chat command:" << cmd.name;
if(m_status == StatusHello)
{
ChatCmd lcmd;
lcmd.name = "RUSER_LOGIN";
lcmd.value = m_codec->fromUnicode(m_strUser);
lcmd.listParams << QByteArray().append(QString::number(rand())) << "0" << cmd.value << "0" << "1" << "1" << m_strPassword << "";
qDebug() << "Logging in, ID" << cmd.value;
m_status = StatusLogin;
m_socket.write(cmd2data(lcmd));
}
else if(cmd.name == "S0")
{
switch(m_status)
{
case StatusLogin:
if(cmd.value.toLong())
{
//emit statusMessage(QString::fromUtf8("Přihlášen do chatu..."));
joinRoom(m_nFirstRoom);
}
else
emit errorMessage(QString::fromUtf8("Nepodařilo se přihlásit k chatu"));
break;
case StatusJoin:
qDebug() << "Join room result:" << cmd.value;
if(m_nLastSubroom == -1)
emit statusMessage(QString::fromUtf8("Vstoupil jste do místnosti chatu"));
else
emit statusMessage(QString::fromUtf8("Vstoupil jste do místnosti chatu (%1)").arg(m_nLastSubroom));
m_status = StatusConnected;
break;
case StatusLeave:
joinRoom(m_nLastRoom, m_nLastSubroom);
break;
default:
;
}
}
else if(cmd.name == "P")
{
// ping
}
else if(cmd.name == "MMESSAGE")
{
QString strUser = m_codec->toUnicode(cmd.listParams[1]);
QString strMessage = m_codec->toUnicode(cmd.listParams[3]);
if(cmd.listParams[0] == "UA") // login
emit userJoin(strUser);
else if(cmd.listParams[0] == "UD") // logout
emit userLeave(strUser, strMessage);
else if(cmd.listParams[0] == "UM") // message
emit userMessage(strUser, strMessage);
else
qDebug() << "Chat: Unknown message type" << cmd.listParams[0];
}
else
qDebug() << "Chat: Unknown data type" << cmd.name;
}
ChatCmd GPChat::data2cmd(QByteArray array)
{
int i = 0;
ChatCmd cmd;
while(array[i] != ':')
cmd.name += array[i++];
i++;
while(array[i] != '\xA6' && array[i] != '\xAB')
cmd.value += array[i++];
while(array[i++] != '\xA6')
{
QByteArray param;
while(array[i] != '\xA6' && array[i] != '\xAB')
param += array[i++];
cmd.listParams << param;
}
return cmd;
}
QByteArray GPChat::cmd2data(ChatCmd& cmd)
{
QByteArray output;
output += cmd.name;
output += ':';
output += cmd.value;
if(!cmd.listParams.empty())
{
foreach(QString param, cmd.listParams)
{
output += '\xab';
output += param;
}
output += '\xbb';
}
output += '\xa6';
return output;
}