X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fnetworkconnection.cpp;h=d177d4c1ed866383af222eee2f21da83a754f193;hp=c74dc4ef05ddb0457f31116edfed82b0ca5ed814;hb=f7379184b7c0ae4e53d7470809f84e2ad3239ec1;hpb=e91445dfdb33704e5daafa8631bc9a1419251c1c

diff --git a/src/core/networkconnection.cpp b/src/core/networkconnection.cpp
index c74dc4ef..d177d4c1 100644
--- a/src/core/networkconnection.cpp
+++ b/src/core/networkconnection.cpp
@@ -29,13 +29,14 @@
 
 #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),
@@ -59,17 +60,15 @@ NetworkConnection::NetworkConnection(Network *network, CoreSession *session)
     // 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);
   
@@ -90,24 +89,7 @@ NetworkConnection::NetworkConnection(Network *network, CoreSession *session)
   connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
   connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
 
-#ifndef QT_NO_OPENSSL
-  {
-    QFile certFile(quasselDir().absolutePath() + "/quasselClientCert.pem");
-    certFile.open(QIODevice::ReadOnly);
-    QSslCertificate cert(&certFile);
-    certFile.close();
-
-    certFile.open(QIODevice::ReadOnly);
-    QSslKey key(&certFile, QSsl::Rsa);
-    certFile.close();
-
-    if ( !cert.isNull() && cert.isValid() &&
-	 !key.isNull() ) {
-      socket.setLocalCertificate(cert);
-      socket.setPrivateKey(key);
-    }
-  }
-
+#ifdef HAVE_SSL
   connect(&socket, SIGNAL(encrypted()), this, SLOT(socketEncrypted()));
   connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
 #endif
@@ -237,6 +219,8 @@ void NetworkConnection::networkInitialized(const QString &currentServer) {
   network()->setConnected(true);
   emit connected(networkId());
 
+  _pingTimer.start();
+
   if(_autoWhoEnabled) {
     _autoWhoCycleTimer.start();
     _autoWhoTimer.start();
@@ -269,21 +253,25 @@ 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 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() {
@@ -295,12 +283,11 @@ 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
@@ -309,7 +296,7 @@ void NetworkConnection::socketError(QAbstractSocket::SocketError) {
   //exit(1);
 }
 
-#ifndef QT_NO_OPENSSL
+#ifdef HAVE_SSL
 
 void NetworkConnection::sslErrors(const QList<QSslError> &sslErrors) {
   Q_UNUSED(sslErrors)
@@ -333,10 +320,10 @@ void NetworkConnection::socketEncrypted() {
   socketInitialized();
 }
 
-#endif  // QT_NO_OPENSSL
+#endif  // HAVE_SSL
 
 void NetworkConnection::socketConnected() {
-#ifdef QT_NO_OPENSSL
+#ifndef HAVE_SSL
   socketInitialized();
   return;
 #else
@@ -353,7 +340,7 @@ void NetworkConnection::socketInitialized() {
   //emit connected(networkId());  initialize first!
   Identity *identity = coreSession()->identity(network()->identity());
   if(!identity) {
-    qWarning() << "Identity invalid!";
+    qCritical() << "Identity invalid!";
     disconnectFromIrc();
     return;
   }
@@ -392,21 +379,31 @@ void NetworkConnection::socketCloseTimeout() {
 }
 
 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();
   }
 }
 
@@ -450,38 +447,80 @@ void NetworkConnection::fillBucketAndProcessQueue() {
   }
 }
 
-void NetworkConnection::putCmd(const QString &cmd, const QVariantList &params, 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> &params) {
+  //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> &params, 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();