#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);
- _previousConnectionAttemptFailed = false;
- _lastUsedServerlistIndex = 0;
- // TODO make configurable
- _whoTimer.setInterval(60 * 1000);
- _whoTimer.setSingleShot(false);
+ _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);
+
+ _tokenBucketTimer.start(_messagesPerSecond * 1000);
QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
foreach(QString chan, channels.keys()) {
}
connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
- connect(&_whoTimer, SIGNAL(timeout()), this, SLOT(sendWho()));
+ connect(&_autoWhoTimer, SIGNAL(timeout()), this, SLOT(sendAutoWho()));
+ connect(&_autoWhoCycleTimer, SIGNAL(timeout()), this, SLOT(startAutoWhoCycle()));
+ connect(&_tokenBucketTimer, SIGNAL(timeout()), this, SLOT(fillBucketAndProcessQueue()));
connect(network, SIGNAL(currentServerSet(const QString &)), this, SLOT(networkInitialized(const QString &)));
connect(network, SIGNAL(useAutoReconnectSet(bool)), this, SLOT(autoReconnectSettingsChanged()));
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;
}
-bool NetworkConnection::isConnected() const {
- // return socket.state() == QAbstractSocket::ConnectedState;
- return connectionState() == Network::Initialized;
-}
-
-Network::ConnectionState NetworkConnection::connectionState() const {
- return _connectionState;
-}
-
void NetworkConnection::setConnectionState(Network::ConnectionState state) {
_connectionState = state;
network()->setConnectionState(state);
emit connectionStateChanged(state);
}
-NetworkId NetworkConnection::networkId() const {
- return network()->networkId();
-}
-
-QString NetworkConnection::networkName() const {
- return network()->networkName();
-}
-
-Identity *NetworkConnection::identity() const {
- return coreSession()->identity(network()->identity());
-}
-
-Network *NetworkConnection::network() const {
- return _network;
-}
-
-CoreSession *NetworkConnection::coreSession() const {
- return _coreSession;
-}
-
-IrcServerHandler *NetworkConnection::ircServerHandler() const {
- return _ircServerHandler;
-}
-
-UserInputHandler *NetworkConnection::userInputHandler() const {
- return _userInputHandler;
-}
-
-CtcpHandler *NetworkConnection::ctcpHandler() const {
- return _ctcpHandler;
-}
-
QString NetworkConnection::serverDecode(const QByteArray &string) const {
return network()->decodeServerString(string);
}
setConnectionState(Network::Initialized);
network()->setConnected(true);
emit connected(networkId());
- sendWho();
- _whoTimer.start();
+
+ _pingTimer.start();
+
+ if(_autoWhoEnabled) {
+ _autoWhoCycleTimer.start();
+ _autoWhoTimer.start();
+ startAutoWhoCycle(); // FIXME wait for autojoin to be completed
+ }
}
void NetworkConnection::sendPerform() {
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 socket.disconnectFromHost();
-
- if(requested) {
- emit quitRequested(networkId());
+ } 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 {
+ // quit gracefully if it's user requested quit
+ userInputHandler()->issueQuit(reason);
+ // the irc server has 10 seconds to close the socket
+ _socketCloseTimer.start(10000);
}
}
void NetworkConnection::socketHasData() {
while(socket.canReadLine()) {
QByteArray s = socket.readLine().trimmed();
- // FIXME debug
- if(Global::SPUTDEV && s == lastMsgReceived) {
- qWarning() << "NetworkConnection::socketHasData(): Message repeated! -> loop?";
- }
- lastMsgReceived = s;
ircServerHandler()->handleServerMsg(s);
}
}
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> &errors) {
+void NetworkConnection::sslErrors(const QList<QSslError> &sslErrors) {
+ Q_UNUSED(sslErrors)
socket.ignoreSslErrors();
/* TODO errorhandling
QVariantMap errmsg;
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() {
- _whoTimer.stop();
+ _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) {
+ 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::putRawLine(QByteArray s) {
+ if(_tokenBucket > 0) {
+ // qDebug() << "putRawLine: " << s;
+ writeToSocket(s);
+ } else {
+ _msgQueue.append(s);
+ }
+}
+
+void NetworkConnection::writeToSocket(QByteArray s) {
s += "\r\n";
+ // qDebug() << "writeToSocket: " << s.size();
socket.write(s);
+ _tokenBucket--;
}
-void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
+void NetworkConnection::fillBucketAndProcessQueue() {
+ if(_tokenBucket < _burstSize) {
+ _tokenBucket++;
+ }
+
+ while(_msgQueue.size() > 0 && _tokenBucket > 0) {
+ writeToSocket(_msgQueue.takeFirst());
+ }
+}
+
+// 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?)
+
+ 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;
+ }
+}
+
+void NetworkConnection::putCmd(const QString &cmd, const QList<QByteArray> ¶ms, const QByteArray &prefix) {
QByteArray msg;
+ if(cmd == "PRIVMSG" && params.count() > 1) {
+ int overrun = lastParamOverrun(cmd, params);
+ if(overrun) {
+ QList<QByteArray> paramCopy1 = params;
+ paramCopy1.removeLast();
+ QList<QByteArray> paramCopy2 = paramCopy1;
+
+ QByteArray lastPart = params.last();
+ QByteArray splitter(" .,-");
+ int maxSplitPos = params.last().count() - overrun;
+ int splitPos = -1;
+ for(int i = 0; i < splitter.size(); i++) {
+ splitPos = qMax(splitPos, lastPart.lastIndexOf(splitter[i], maxSplitPos));
+ }
+ if(splitPos <= 0) {
+ splitPos = maxSplitPos;
+ }
+
+ 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].toByteArray();
+ msg += " " + params[i];
}
if(!params.isEmpty())
- msg += " :" + params.last().toByteArray();
+ msg += " :" + params.last();
putRawLine(msg);
}
-void NetworkConnection::sendWho() {
- foreach(QString chan, network()->channels()) {
+void NetworkConnection::sendPing() {
+ userInputHandler()->handlePing(BufferInfo(), QString());
+}
+
+void NetworkConnection::sendAutoWho() {
+ while(!_autoWhoQueue.isEmpty()) {
+ QString chan = _autoWhoQueue.takeFirst();
+ IrcChannel *ircchan = network()->ircChannel(chan);
+ if(!ircchan) continue;
+ if(_autoWhoNickLimit > 0 && ircchan->ircUsers().count() > _autoWhoNickLimit) continue;
+ _autoWhoInProgress[chan]++;
putRawLine("WHO " + serverEncode(chan));
+ if(_autoWhoQueue.isEmpty() && _autoWhoEnabled && !_autoWhoCycleTimer.isActive()) {
+ // Timer was stopped, means a new cycle is due immediately
+ _autoWhoCycleTimer.start();
+ startAutoWhoCycle();
+ }
+ break;
+ }
+}
+
+void NetworkConnection::startAutoWhoCycle() {
+ if(!_autoWhoQueue.isEmpty()) {
+ _autoWhoCycleTimer.stop();
+ return;
}
+ _autoWhoQueue = network()->channels();
+}
+
+bool NetworkConnection::setAutoWhoDone(const QString &channel) {
+ if(_autoWhoInProgress.value(channel.toLower(), 0) <= 0) return false;
+ _autoWhoInProgress[channel.toLower()]--;
+ return true;
}
void NetworkConnection::setChannelJoined(const QString &channel) {
emit channelJoined(networkId(), channel, _channelKeys[channel.toLower()]);
+ _autoWhoQueue.prepend(channel.toLower()); // prepend so this new chan is the first to be checked
}
void NetworkConnection::setChannelParted(const QString &channel) {
removeChannelKey(channel);
+ _autoWhoQueue.removeAll(channel.toLower());
+ _autoWhoInProgress.remove(channel.toLower());
emit channelParted(networkId(), channel);
}
projects / quassel.git / blobdiff