#include "ircchannel.h"
#include "ircuser.h"
-#include "network.h"
#include "identity.h"
#include "ircserverhandler.h"
#include "userinputhandler.h"
#include "ctcphandler.h"
+#include "logger.h"
+
NetworkConnection::NetworkConnection(Network *network, CoreSession *session)
: QObject(network),
_connectionState(Network::Disconnected),
// TokenBucket to avaid sending too much at once
_messagesPerSecond(1),
_burstSize(5),
- _tokenBucket(5), // init with a full bucket
-
- // TODO:
- // should be 510 (2 bytes are added when writing to the socket)
- // maxMsgSize is 510 minus the hostmask which will be added by the server
- _maxMsgSize(450)
+ _tokenBucket(5) // init with a full bucket
{
_autoReconnectTimer.setSingleShot(true);
_socketCloseTimer.setSingleShot(true);
connect(&_socketCloseTimer, SIGNAL(timeout()), this, SLOT(socketCloseTimeout()));
-
+
+ _pingTimer.setInterval(60000);
+ connect(&_pingTimer, SIGNAL(timeout()), this, SLOT(sendPing()));
+
_autoWhoTimer.setInterval(_autoWhoDelay * 1000);
_autoWhoCycleTimer.setInterval(_autoWhoInterval * 1000);
connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
-#ifndef QT_NO_OPENSSL
+#ifdef HAVE_SSL
connect(&socket, SIGNAL(encrypted()), this, SLOT(socketEncrypted()));
connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
#endif
network()->setConnected(true);
emit connected(networkId());
+ _pingTimer.start();
+
if(_autoWhoEnabled) {
_autoWhoCycleTimer.start();
_autoWhoTimer.start();
if(!joinString.isEmpty()) userInputHandler()->handleJoin(statusBuf, joinString);
}
-void NetworkConnection::disconnectFromIrc(bool requested) {
+void NetworkConnection::disconnectFromIrc(bool requested, const QString &reason) {
+ _quitRequested = requested; // see socketDisconnected();
_autoReconnectTimer.stop();
- _autoReconnectCount = 0;
+ _autoReconnectCount = 0; // prohibiting auto reconnect
displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
- if(socket.state() < QAbstractSocket::ConnectedState) {
- setConnectionState(Network::Disconnected);
+ if(socket.state() == QAbstractSocket::UnconnectedState) {
+ socketDisconnected();
+ } else if(socket.state() < QAbstractSocket::ConnectedState || !requested) {
+ // we might be in a state waiting for a timeout...
+ // or (!requested) this is a core shutdown...
+ // in both cases we don't really care... set a disconnected state
+ socket.close();
socketDisconnected();
} else {
- _socketCloseTimer.start(10000); // the irc server has 10 seconds to close the socket
+ // quit gracefully if it's user requested quit
+ userInputHandler()->issueQuit(reason);
+ // the irc server has 10 seconds to close the socket
+ _socketCloseTimer.start(10000);
}
-
- // this flag triggers quitRequested() once the socket is closed
- // it is needed to determine whether or not the connection needs to be
- // in the automatic session restore.
- _quitRequested = requested;
}
void NetworkConnection::socketHasData() {
void NetworkConnection::socketError(QAbstractSocket::SocketError) {
_previousConnectionAttemptFailed = true;
- qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
+ qWarning() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
emit connectionError(socket.errorString());
emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
network()->emitConnectionError(socket.errorString());
if(socket.state() < QAbstractSocket::ConnectedState) {
- setConnectionState(Network::Disconnected);
socketDisconnected();
}
// mark last connection attempt as failed
//exit(1);
}
-#ifndef QT_NO_OPENSSL
+#ifdef HAVE_SSL
void NetworkConnection::sslErrors(const QList<QSslError> &sslErrors) {
Q_UNUSED(sslErrors)
socketInitialized();
}
-#endif // QT_NO_OPENSSL
+#endif // HAVE_SSL
void NetworkConnection::socketConnected() {
-#ifdef QT_NO_OPENSSL
+#ifndef HAVE_SSL
socketInitialized();
return;
#else
//emit connected(networkId()); initialize first!
Identity *identity = coreSession()->identity(network()->identity());
if(!identity) {
- qWarning() << "Identity invalid!";
+ qCritical() << "Identity invalid!";
disconnectFromIrc();
return;
}
}
void NetworkConnection::socketDisconnected() {
+ _pingTimer.stop();
_autoWhoCycleTimer.stop();
_autoWhoTimer.stop();
_autoWhoQueue.clear();
_autoWhoInProgress.clear();
_socketCloseTimer.stop();
-
+
+ IrcUser *me = network()->me();
+ if(me) {
+ foreach(QString channel, me->channels())
+ emit displayMsg(Message::Quit, BufferInfo::ChannelBuffer, channel, "", me->hostmask());
+ }
+
network()->setConnected(false);
emit disconnected(networkId());
- if(_autoReconnectCount != 0) {
- setConnectionState(Network::Reconnecting);
- if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
- else _autoReconnectTimer.start();
- } else if(_quitRequested) {
+ if(_quitRequested) {
+ setConnectionState(Network::Disconnected);
emit quitRequested(networkId());
+ } else if(_autoReconnectCount != 0) {
+ setConnectionState(Network::Reconnecting);
+ if(_autoReconnectCount == network()->autoReconnectRetries())
+ doAutoReconnect(); // first try is immediate
+ else
+ _autoReconnectTimer.start();
}
}
}
}
-void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
- QByteArray msg;
- if(!prefix.isEmpty())
- msg += ":" + prefix + " ";
- msg += cmd.toUpper().toAscii();
+// returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
+int NetworkConnection::lastParamOverrun(const QString &cmd, const QList<QByteArray> ¶ms) {
+ //the server will pass our message that trunkated to 512 bytes including CRLF with the following format:
+ // ":prefix COMMAND param0 param1 :lastparam"
+ // where prefix = "nickname!user@host"
+ // that means that the last message can be as long as:
+ // 512 - nicklen - userlen - hostlen - commandlen - sum(param[0]..param[n-1])) - 2 (for CRLF) - 4 (":!@" + 1space between prefix and command) - max(paramcount - 1, 0) (space for simple params) - 2 (space and colon for last param)
+ IrcUser *me = network()->me();
+ int maxLen = 480 - cmd.toAscii().count(); // educated guess in case we don't know us (yet?)
- for(int i = 0; i < params.size() - 1; i++) {
- msg += " " + params[i].toByteArray();
+ if(me)
+ maxLen = 512 - serverEncode(me->nick()).count() - serverEncode(me->user()).count() - serverEncode(me->host()).count() - cmd.toAscii().count() - 6;
+
+ if(!params.isEmpty()) {
+ for(int i = 0; i < params.count() - 1; i++) {
+ maxLen -= (params[i].count() + 1);
+ }
+ maxLen -= 2; // " :" last param separator;
+
+ if(params.last().count() > maxLen) {
+ return params.last().count() - maxLen;
+ } else {
+ return 0;
+ }
+ } else {
+ return 0;
}
- if(!params.isEmpty())
- msg += " :" + params.last().toByteArray();
+}
+void NetworkConnection::putCmd(const QString &cmd, const QList<QByteArray> ¶ms, const QByteArray &prefix) {
+ QByteArray msg;
if(cmd == "PRIVMSG" && params.count() > 1) {
- QByteArray msghead = "PRIVMSG " + params[0].toByteArray() + " :";
+ int overrun = lastParamOverrun(cmd, params);
+ if(overrun) {
+ QList<QByteArray> paramCopy1 = params;
+ paramCopy1.removeLast();
+ QList<QByteArray> paramCopy2 = paramCopy1;
- while (msg.size() > _maxMsgSize) {
+ QByteArray lastPart = params.last();
QByteArray splitter(" .,-");
- int splitPosition = 0;
+ int maxSplitPos = params.last().count() - overrun;
+ int splitPos = -1;
for(int i = 0; i < splitter.size(); i++) {
- splitPosition = qMax(splitPosition, msg.lastIndexOf(splitter[i], _maxMsgSize));
+ splitPos = qMax(splitPos, lastPart.lastIndexOf(splitter[i], maxSplitPos));
}
- if(splitPosition < 300) {
- splitPosition = _maxMsgSize;
+ if(splitPos <= 0) {
+ splitPos = maxSplitPos;
}
- putRawLine(msg.left(splitPosition));
- msg = msghead + msg.mid(splitPosition);
+
+ paramCopy1 << lastPart.left(splitPos);
+ paramCopy2 << lastPart.mid(splitPos);
+ putCmd(cmd, paramCopy1, prefix);
+ putCmd(cmd, paramCopy2, prefix);
+ return;
}
}
+
+ if(!prefix.isEmpty())
+ msg += ":" + prefix + " ";
+ msg += cmd.toUpper().toAscii();
+
+ for(int i = 0; i < params.size() - 1; i++) {
+ msg += " " + params[i];
+ }
+ if(!params.isEmpty())
+ msg += " :" + params.last();
putRawLine(msg);
}
+void NetworkConnection::sendPing() {
+ userInputHandler()->handlePing(BufferInfo(), QString());
+}
+
void NetworkConnection::sendAutoWho() {
while(!_autoWhoQueue.isEmpty()) {
QString chan = _autoWhoQueue.takeFirst();