#include "ircchannel.h"
#include "ircuser.h"
-#include "network.h"
#include "identity.h"
#include "ircserverhandler.h"
#include "userinputhandler.h"
#include "ctcphandler.h"
-NetworkConnection::NetworkConnection(Network *network, CoreSession *session) : QObject(network),
+#include "logger.h"
+
+NetworkConnection::NetworkConnection(Network *network, CoreSession *session)
+ : QObject(network),
_connectionState(Network::Disconnected),
_network(network),
_coreSession(session),
_ircServerHandler(new IrcServerHandler(this)),
_userInputHandler(new UserInputHandler(this)),
_ctcpHandler(new CtcpHandler(this)),
- _autoReconnectCount(0)
+ _autoReconnectCount(0),
+ _quitRequested(false),
+
+ _previousConnectionAttemptFailed(false),
+ _lastUsedServerlistIndex(0),
+
+ // TODO make autowho configurable (possibly per-network)
+ _autoWhoEnabled(true),
+ _autoWhoInterval(90),
+ _autoWhoNickLimit(0), // unlimited
+ _autoWhoDelay(3),
+
+ // TokenBucket to avaid sending too much at once
+ _messagesPerSecond(1),
+ _burstSize(5),
+ _tokenBucket(5) // init with a full bucket
{
_autoReconnectTimer.setSingleShot(true);
+ _socketCloseTimer.setSingleShot(true);
+ connect(&_socketCloseTimer, SIGNAL(timeout()), this, SLOT(socketCloseTimeout()));
- _previousConnectionAttemptFailed = false;
- _lastUsedServerlistIndex = 0;
-
- // TODO make autowho configurable (possibly per-network)
- _autoWhoEnabled = true;
- _autoWhoInterval = 90;
- _autoWhoNickLimit = 0; // unlimited
- _autoWhoDelay = 3;
+ _pingTimer.setInterval(60000);
+ connect(&_pingTimer, SIGNAL(timeout()), this, SLOT(sendPing()));
_autoWhoTimer.setInterval(_autoWhoDelay * 1000);
- _autoWhoTimer.setSingleShot(false);
_autoWhoCycleTimer.setInterval(_autoWhoInterval * 1000);
- _autoWhoCycleTimer.setSingleShot(false);
-
- // 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;
-
+
_tokenBucketTimer.start(_messagesPerSecond * 1000);
- _tokenBucketTimer.setSingleShot(false);
QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
foreach(QString chan, channels.keys()) {
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
NetworkConnection::~NetworkConnection() {
if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
+ disconnect(&socket, 0, this, 0); // this keeps the socket from triggering events during clean up
delete _ircServerHandler;
delete _userInputHandler;
delete _ctcpHandler;
network()->setConnected(true);
emit connected(networkId());
+ _pingTimer.start();
+
if(_autoWhoEnabled) {
_autoWhoCycleTimer.start();
_autoWhoTimer.start();
}
void NetworkConnection::disconnectFromIrc(bool requested) {
+ _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 socket.disconnectFromHost();
-
- if(requested) {
- emit quitRequested(networkId());
+ } else if(socket.state() < QAbstractSocket::ConnectedState) {
+ socket.close();
+ // we might be in a state waiting for a timeout... we don't care... set a disconnected state
+ socketDisconnected();
+ } else {
+ _socketCloseTimer.start(10000); // the irc server has 10 seconds to close the socket
}
}
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;
}
setConnectionState(state);
}
+void NetworkConnection::socketCloseTimeout() {
+ socket.disconnectFromHost();
+}
+
void NetworkConnection::socketDisconnected() {
+ _pingTimer.stop();
_autoWhoCycleTimer.stop();
_autoWhoTimer.stop();
_autoWhoQueue.clear();
_autoWhoInProgress.clear();
+ _socketCloseTimer.stop();
+
network()->setConnected(false);
emit disconnected(networkId());
- if(_autoReconnectCount != 0) {
+ 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();
+ 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();