X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fcorenetwork.cpp;h=a40b54641f75770e62fb06a67a52efe2a2991543;hp=e22a67d441401635f83a4675ca1fe3d930695990;hb=710edfe368ed1db79cc274164523d14afc1b2c9d;hpb=0d66a6f9ed6ea90493bca69ff781a1131d981503

diff --git a/src/core/corenetwork.cpp b/src/core/corenetwork.cpp
index e22a67d4..a40b5464 100644
--- a/src/core/corenetwork.cpp
+++ b/src/core/corenetwork.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -19,28 +19,531 @@
  ***************************************************************************/
 
 #include "corenetwork.h"
+
+#include "core.h"
 #include "coresession.h"
+#include "coreidentity.h"
 
-#include "logger.h"
+#include "ircserverhandler.h"
+#include "userinputhandler.h"
+#include "ctcphandler.h"
 
 CoreNetwork::CoreNetwork(const NetworkId &networkid, CoreSession *session)
   : Network(networkid, session),
-    _coreSession(session)
+    _coreSession(session),
+    _ircServerHandler(new IrcServerHandler(this)),
+    _userInputHandler(new UserInputHandler(this)),
+    _ctcpHandler(new CtcpHandler(this)),
+    _autoReconnectCount(0),
+    _quitRequested(false),
+
+    _previousConnectionAttemptFailed(false),
+    _lastUsedServerIndex(0),
+
+    // TODO make autowho configurable (possibly per-network)
+    _autoWhoEnabled(true),
+    _autoWhoInterval(90),
+    _autoWhoNickLimit(0), // unlimited
+    _autoWhoDelay(3)
 {
+  _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);
+
+  QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
+  foreach(QString chan, channels.keys()) {
+    _channelKeys[chan.toLower()] = channels[chan];
+  }
+
+  connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
+  connect(&_autoWhoTimer, SIGNAL(timeout()), this, SLOT(sendAutoWho()));
+  connect(&_autoWhoCycleTimer, SIGNAL(timeout()), this, SLOT(startAutoWhoCycle()));
+  connect(&_tokenBucketTimer, SIGNAL(timeout()), this, SLOT(fillBucketAndProcessQueue()));
+  connect(this, SIGNAL(connectRequested()), this, SLOT(connectToIrc()));
+
+
+  connect(&socket, SIGNAL(connected()), this, SLOT(socketInitialized()));
+  connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
+  connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
+  connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
+  connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
+#ifdef HAVE_SSL
+  connect(&socket, SIGNAL(encrypted()), this, SLOT(socketInitialized()));
+  connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
+#endif
+}
+
+CoreNetwork::~CoreNetwork() {
+  if(connectionState() != 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;
+}
+
+QString CoreNetwork::channelDecode(const QString &bufferName, const QByteArray &string) const {
+  if(!bufferName.isEmpty()) {
+    IrcChannel *channel = ircChannel(bufferName);
+    if(channel)
+      return channel->decodeString(string);
+  }
+  return decodeString(string);
+}
+
+QString CoreNetwork::userDecode(const QString &userNick, const QByteArray &string) const {
+  IrcUser *user = ircUser(userNick);
+  if(user)
+    return user->decodeString(string);
+  return decodeString(string);
+}
+
+QByteArray CoreNetwork::channelEncode(const QString &bufferName, const QString &string) const {
+  if(!bufferName.isEmpty()) {
+    IrcChannel *channel = ircChannel(bufferName);
+    if(channel)
+      return channel->encodeString(string);
+  }
+  return encodeString(string);
+}
+
+QByteArray CoreNetwork::userEncode(const QString &userNick, const QString &string) const {
+  IrcUser *user = ircUser(userNick);
+  if(user)
+    return user->encodeString(string);
+  return encodeString(string);
+}
+
+void CoreNetwork::connectToIrc(bool reconnecting) {
+  if(!reconnecting && useAutoReconnect() && _autoReconnectCount == 0) {
+    _autoReconnectTimer.setInterval(autoReconnectInterval() * 1000);
+    if(unlimitedReconnectRetries())
+      _autoReconnectCount = -1;
+    else
+      _autoReconnectCount = autoReconnectRetries();
+  }
+  if(serverList().isEmpty()) {
+    qWarning() << "Server list empty, ignoring connect request!";
+    return;
+  }
+  CoreIdentity *identity = identityPtr();
+  if(!identity) {
+    qWarning() << "Invalid identity configures, ignoring connect request!";
+    return;
+  }
+  // use a random server?
+  if(useRandomServer()) {
+    _lastUsedServerIndex = qrand() % serverList().size();
+  } else if(_previousConnectionAttemptFailed) {
+    // cycle to next server if previous connection attempt failed
+    displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connection failed. Cycling to next Server"));
+    if(++_lastUsedServerIndex >= serverList().size()) {
+      _lastUsedServerIndex = 0;
+    }
+  }
+  _previousConnectionAttemptFailed = false;
+
+  Server server = usedServer();
+  displayStatusMsg(tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
+  displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
+
+  if(server.useProxy) {
+    QNetworkProxy proxy((QNetworkProxy::ProxyType)server.proxyType, server.proxyHost, server.proxyPort, server.proxyUser, server.proxyPass);
+    socket.setProxy(proxy);
+  } else {
+    socket.setProxy(QNetworkProxy::NoProxy);
+  }
+
+#ifdef HAVE_SSL
+  socket.setProtocol((QSsl::SslProtocol)server.sslVersion);
+  if(server.useSsl) {
+    CoreIdentity *identity = identityPtr();
+    if(identity) {
+      socket.setLocalCertificate(identity->sslCert());
+      socket.setPrivateKey(identity->sslKey());
+    }
+    socket.connectToHostEncrypted(server.host, server.port);
+  } else {
+    socket.connectToHost(server.host, server.port);
+  }
+#else
+  socket.connectToHost(server.host, server.port);
+#endif
+}
+
+void CoreNetwork::disconnectFromIrc(bool requested, const QString &reason) {
+  _quitRequested = requested; // see socketDisconnected();
+  _autoReconnectTimer.stop();
+  _autoReconnectCount = 0; // prohibiting auto reconnect
+  displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
+  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 {
+    // 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 CoreNetwork::userInput(BufferInfo buf, QString msg) {
+  userInputHandler()->handleUserInput(buf, msg);
+}
+
+void CoreNetwork::putRawLine(QByteArray s) {
+  if(_tokenBucket > 0)
+    writeToSocket(s);
+  else
+    _msgQueue.append(s);
+}
+
+void CoreNetwork::putCmd(const QString &cmd, const QList<QByteArray> &params, const QByteArray &prefix) {
+  QByteArray msg;
+
+  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 CoreNetwork::setChannelJoined(const QString &channel) {
+  _autoWhoQueue.prepend(channel.toLower()); // prepend so this new chan is the first to be checked
+
+  Core::setChannelPersistent(userId(), networkId(), channel, true);
+  Core::setPersistentChannelKey(userId(), networkId(), channel, _channelKeys[channel.toLower()]);
+}
+
+void CoreNetwork::setChannelParted(const QString &channel) {
+  removeChannelKey(channel);
+  _autoWhoQueue.removeAll(channel.toLower());
+  _autoWhoInProgress.remove(channel.toLower());
+
+  Core::setChannelPersistent(userId(), networkId(), channel, false);
+}
+
+void CoreNetwork::addChannelKey(const QString &channel, const QString &key) {
+  if(key.isEmpty()) {
+    removeChannelKey(channel);
+  } else {
+    _channelKeys[channel.toLower()] = key;
+  }
+}
+
+void CoreNetwork::removeChannelKey(const QString &channel) {
+  _channelKeys.remove(channel.toLower());
+}
+
+bool CoreNetwork::setAutoWhoDone(const QString &channel) {
+  if(_autoWhoInProgress.value(channel.toLower(), 0) <= 0)
+    return false;
+  _autoWhoInProgress[channel.toLower()]--;
+  return true;
+}
+
+void CoreNetwork::setMyNick(const QString &mynick) {
+  Network::setMyNick(mynick);
+  if(connectionState() == Network::Initializing)
+    networkInitialized();
+}
+
+void CoreNetwork::socketHasData() {
+  while(socket.canReadLine()) {
+    QByteArray s = socket.readLine().trimmed();
+    ircServerHandler()->handleServerMsg(s);
+  }
+}
+
+void CoreNetwork::socketError(QAbstractSocket::SocketError error) {
+  if(_quitRequested && error == QAbstractSocket::RemoteHostClosedError)
+    return;
+
+  _previousConnectionAttemptFailed = true;
+  qWarning() << qPrintable(tr("Could not connect to %1 (%2)").arg(networkName(), socket.errorString()));
+  emit connectionError(socket.errorString());
+  emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
+  emitConnectionError(socket.errorString());
+  if(socket.state() < QAbstractSocket::ConnectedState) {
+    socketDisconnected();
+  }
+}
+
+void CoreNetwork::socketInitialized() {
+  Server server = usedServer();
+#ifdef HAVE_SSL
+  if(server.useSsl && !socket.isEncrypted())
+    return;
+#endif
+
+  CoreIdentity *identity = identityPtr();
+  if(!identity) {
+    qCritical() << "Identity invalid!";
+    disconnectFromIrc();
+    return;
+  }
+
+  // TokenBucket to avoid sending too much at once
+  _messagesPerSecond = 1;
+  _burstSize = 5;
+  _tokenBucket = 5; // init with a full bucket
+  _tokenBucketTimer.start(_messagesPerSecond * 1000);
+
+  if(!server.password.isEmpty()) {
+    putRawLine(serverEncode(QString("PASS %1").arg(server.password)));
+  }
+  putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0])));
+  putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
+}
+
+void CoreNetwork::socketDisconnected() {
+  _pingTimer.stop();
+  _autoWhoCycleTimer.stop();
+  _autoWhoTimer.stop();
+  _autoWhoQueue.clear();
+  _autoWhoInProgress.clear();
+
+  _socketCloseTimer.stop();
+
+  _tokenBucketTimer.stop();
+
+  IrcUser *me_ = me();
+  if(me_) {
+    foreach(QString channel, me_->channels())
+      emit displayMsg(Message::Quit, BufferInfo::ChannelBuffer, channel, "", me_->hostmask());
+  }
+
+  setConnected(false);
+  emit disconnected(networkId());
+  if(_quitRequested) {
+    setConnectionState(Network::Disconnected);
+    Core::setNetworkConnected(userId(), networkId(), false);
+  } else if(_autoReconnectCount != 0) {
+    setConnectionState(Network::Reconnecting);
+    if(_autoReconnectCount == autoReconnectRetries())
+      doAutoReconnect(); // first try is immediate
+    else
+      _autoReconnectTimer.start();
+  }
+}
+
+void CoreNetwork::socketStateChanged(QAbstractSocket::SocketState socketState) {
+  Network::ConnectionState state;
+  switch(socketState) {
+    case QAbstractSocket::UnconnectedState:
+      state = Network::Disconnected;
+      break;
+    case QAbstractSocket::HostLookupState:
+    case QAbstractSocket::ConnectingState:
+      state = Network::Connecting;
+      break;
+    case QAbstractSocket::ConnectedState:
+      state = Network::Initializing;
+      break;
+    case QAbstractSocket::ClosingState:
+      state = Network::Disconnecting;
+      break;
+    default:
+      state = Network::Disconnected;
+  }
+  setConnectionState(state);
+}
+
+void CoreNetwork::networkInitialized() {
+  setConnectionState(Network::Initialized);
+  setConnected(true);
+  _quitRequested = false;
+
+  if(useAutoReconnect()) {
+    // reset counter
+    _autoReconnectCount = autoReconnectRetries();
+  }
+
+  sendPerform();
+
+  _pingTimer.start();
+
+  if(_autoWhoEnabled) {
+    _autoWhoCycleTimer.start();
+    _autoWhoTimer.start();
+    startAutoWhoCycle();  // FIXME wait for autojoin to be completed
+  }
+
+  Core::bufferInfo(userId(), networkId(), BufferInfo::StatusBuffer); // create status buffer
+  Core::setNetworkConnected(userId(), networkId(), true);
+}
+
+void CoreNetwork::sendPerform() {
+  BufferInfo statusBuf = BufferInfo::fakeStatusBuffer(networkId());
+
+  // do auto identify
+  if(useAutoIdentify() && !autoIdentifyService().isEmpty() && !autoIdentifyPassword().isEmpty()) {
+    userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(autoIdentifyService(), autoIdentifyPassword()));
+  }
+
+  // send perform list
+  foreach(QString line, perform()) {
+    if(!line.isEmpty()) userInput(statusBuf, line);
+  }
+
+  // rejoin channels we've been in
+  if(rejoinChannels()) {
+    QStringList channels, keys;
+    foreach(QString chan, coreSession()->persistentChannels(networkId()).keys()) {
+      QString key = channelKey(chan);
+      if(!key.isEmpty()) {
+        channels.prepend(chan);
+        keys.prepend(key);
+      } else {
+        channels.append(chan);
+      }
+    }
+    QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
+    if(!joinString.isEmpty())
+      userInputHandler()->handleJoin(statusBuf, joinString);
+  }
+}
+
+void CoreNetwork::setUseAutoReconnect(bool use) {
+  Network::setUseAutoReconnect(use);
+  if(!use)
+    _autoReconnectTimer.stop();
+}
+
+void CoreNetwork::setAutoReconnectInterval(quint32 interval) {
+  Network::setAutoReconnectInterval(interval);
+  _autoReconnectTimer.setInterval(interval * 1000);
+}
+
+void CoreNetwork::setAutoReconnectRetries(quint16 retries) {
+  Network::setAutoReconnectRetries(retries);
+  if(_autoReconnectCount != 0) {
+    if(unlimitedReconnectRetries())
+      _autoReconnectCount = -1;
+    else
+      _autoReconnectCount = autoReconnectRetries();
+  }
+}
+
+void CoreNetwork::doAutoReconnect() {
+  if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
+    qWarning() << "CoreNetwork::doAutoReconnect(): Cannot reconnect while not being disconnected!";
+    return;
+  }
+  if(_autoReconnectCount > 0)
+    _autoReconnectCount--;
+  connectToIrc(true);
+}
+
+void CoreNetwork::sendPing() {
+  userInputHandler()->handlePing(BufferInfo(), QString());
+}
+
+void CoreNetwork::sendAutoWho() {
+  while(!_autoWhoQueue.isEmpty()) {
+    QString chan = _autoWhoQueue.takeFirst();
+    IrcChannel *ircchan = 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 CoreNetwork::startAutoWhoCycle() {
+  if(!_autoWhoQueue.isEmpty()) {
+    _autoWhoCycleTimer.stop();
+    return;
+  }
+  _autoWhoQueue = channels();
+}
+
+#ifdef HAVE_SSL
+void CoreNetwork::sslErrors(const QList<QSslError> &sslErrors) {
+  Q_UNUSED(sslErrors)
+  socket.ignoreSslErrors();
+  // TODO errorhandling
+}
+#endif  // HAVE_SSL
+
+void CoreNetwork::fillBucketAndProcessQueue() {
+  if(_tokenBucket < _burstSize) {
+    _tokenBucket++;
+  }
+
+  while(_msgQueue.size() > 0 && _tokenBucket > 0) {
+    writeToSocket(_msgQueue.takeFirst());
+  }
+}
+
+void CoreNetwork::writeToSocket(const QByteArray &data) {
+  socket.write(data);
+  socket.write("\r\n");
+  _tokenBucket--;
+}
+
+Network::Server CoreNetwork::usedServer() const {
+  if(_lastUsedServerIndex < serverList().count())
+    return serverList()[_lastUsedServerIndex];
+
+  if(!serverList().isEmpty())
+    return serverList()[0];
+
+  return Network::Server();
 }
 
 void CoreNetwork::requestConnect() const {
   if(connectionState() != Disconnected) {
-    quWarning() << "Requesting connect while already being connected!";
+    qWarning() << "Requesting connect while already being connected!";
     return;
   }
-  emit connectRequested(networkId());
+  Network::requestConnect();
 }
 
 void CoreNetwork::requestDisconnect() const {
   if(connectionState() == Disconnected) {
-    quWarning() << "Requesting disconnect while not being connected!";
+    qWarning() << "Requesting disconnect while not being connected!";
     return;
   }
-  emit disconnectRequested(networkId());
+  userInputHandler()->handleQuit(BufferInfo(), QString());
+}
+
+void CoreNetwork::requestSetNetworkInfo(const NetworkInfo &info) {
+  Network::Server currentServer = usedServer();
+  setNetworkInfo(info);
+  Core::updateNetwork(coreSession()->user(), info);
+
+  // the order of the servers might have changed,
+  // so we try to find the previously used server
+  _lastUsedServerIndex = 0;
+  for(int i = 0; i < serverList().count(); i++) {
+    Network::Server server = serverList()[i];
+    if(server.host == currentServer.host && server.port == currentServer.port) {
+      _lastUsedServerIndex = i;
+      break;
+    }
+  }
 }