1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #include "networkconnection.h"
22 #include <QMetaObject>
23 #include <QMetaMethod>
28 #include "coresession.h"
30 #include "ircchannel.h"
35 #include "ircserverhandler.h"
36 #include "userinputhandler.h"
37 #include "ctcphandler.h"
39 NetworkConnection::NetworkConnection(Network *network, CoreSession *session) : QObject(network),
40 _connectionState(Network::Disconnected),
42 _coreSession(session),
43 _ircServerHandler(new IrcServerHandler(this)),
44 _userInputHandler(new UserInputHandler(this)),
45 _ctcpHandler(new CtcpHandler(this)),
46 _autoReconnectCount(0)
48 _autoReconnectTimer.setSingleShot(true);
49 _previousConnectionAttemptFailed = false;
50 _lastUsedServerlistIndex = 0;
51 // TODO make configurable
52 _whoTimer.setInterval(60 * 1000);
53 _whoTimer.setSingleShot(false);
55 QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
56 foreach(QString chan, channels.keys()) {
57 _channelKeys[chan.toLower()] = channels[chan];
60 connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
61 connect(&_whoTimer, SIGNAL(timeout()), this, SLOT(sendWho()));
63 connect(network, SIGNAL(currentServerSet(const QString &)), this, SLOT(networkInitialized(const QString &)));
64 connect(network, SIGNAL(useAutoReconnectSet(bool)), this, SLOT(autoReconnectSettingsChanged()));
65 connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
66 connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
68 connect(&socket, SIGNAL(connected()), this, SLOT(socketConnected()));
69 connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
70 connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
71 connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
72 connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
74 connect(_ircServerHandler, SIGNAL(nickChanged(const QString &, const QString &)),
75 this, SLOT(nickChanged(const QString &, const QString &)));
78 NetworkConnection::~NetworkConnection() {
79 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
80 disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
81 delete _ircServerHandler;
82 delete _userInputHandler;
86 bool NetworkConnection::isConnected() const {
87 // return socket.state() == QAbstractSocket::ConnectedState;
88 return connectionState() == Network::Initialized;
91 Network::ConnectionState NetworkConnection::connectionState() const {
92 return _connectionState;
95 void NetworkConnection::setConnectionState(Network::ConnectionState state) {
96 _connectionState = state;
97 network()->setConnectionState(state);
98 emit connectionStateChanged(state);
101 NetworkId NetworkConnection::networkId() const {
102 return network()->networkId();
105 QString NetworkConnection::networkName() const {
106 return network()->networkName();
109 Identity *NetworkConnection::identity() const {
110 return coreSession()->identity(network()->identity());
113 Network *NetworkConnection::network() const {
117 CoreSession *NetworkConnection::coreSession() const {
121 IrcServerHandler *NetworkConnection::ircServerHandler() const {
122 return _ircServerHandler;
125 UserInputHandler *NetworkConnection::userInputHandler() const {
126 return _userInputHandler;
129 CtcpHandler *NetworkConnection::ctcpHandler() const {
133 QString NetworkConnection::serverDecode(const QByteArray &string) const {
134 return network()->decodeServerString(string);
137 QString NetworkConnection::channelDecode(const QString &bufferName, const QByteArray &string) const {
138 if(!bufferName.isEmpty()) {
139 IrcChannel *channel = network()->ircChannel(bufferName);
140 if(channel) return channel->decodeString(string);
142 return network()->decodeString(string);
145 QString NetworkConnection::userDecode(const QString &userNick, const QByteArray &string) const {
146 IrcUser *user = network()->ircUser(userNick);
147 if(user) return user->decodeString(string);
148 return network()->decodeString(string);
151 QByteArray NetworkConnection::serverEncode(const QString &string) const {
152 return network()->encodeServerString(string);
155 QByteArray NetworkConnection::channelEncode(const QString &bufferName, const QString &string) const {
156 if(!bufferName.isEmpty()) {
157 IrcChannel *channel = network()->ircChannel(bufferName);
158 if(channel) return channel->encodeString(string);
160 return network()->encodeString(string);
163 QByteArray NetworkConnection::userEncode(const QString &userNick, const QString &string) const {
164 IrcUser *user = network()->ircUser(userNick);
165 if(user) return user->encodeString(string);
166 return network()->encodeString(string);
169 void NetworkConnection::autoReconnectSettingsChanged() {
170 if(!network()->useAutoReconnect()) {
171 _autoReconnectTimer.stop();
172 _autoReconnectCount = 0;
174 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
175 if(_autoReconnectCount != 0) {
176 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
177 else _autoReconnectCount = network()->autoReconnectRetries();
182 void NetworkConnection::connectToIrc(bool reconnecting) {
183 if(!reconnecting && network()->useAutoReconnect() && _autoReconnectCount == 0) {
184 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
185 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
186 else _autoReconnectCount = network()->autoReconnectRetries();
188 QVariantList serverList = network()->serverList();
189 Identity *identity = coreSession()->identity(network()->identity());
190 if(!serverList.count()) {
191 qWarning() << "Server list empty, ignoring connect request!";
195 qWarning() << "Invalid identity configures, ignoring connect request!";
198 // use a random server?
199 if(network()->useRandomServer()) {
200 _lastUsedServerlistIndex = qrand() % serverList.size();
201 } else if(_previousConnectionAttemptFailed) {
202 // cycle to next server if previous connection attempt failed
203 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connection failed. Cycling to next Server"));
204 if(++_lastUsedServerlistIndex == serverList.size()) {
205 _lastUsedServerlistIndex = 0;
208 _previousConnectionAttemptFailed = false;
210 QString host = serverList[_lastUsedServerlistIndex].toMap()["Host"].toString();
211 quint16 port = serverList[_lastUsedServerlistIndex].toMap()["Port"].toUInt();
212 displayStatusMsg(tr("Connecting to %1:%2...").arg(host).arg(port));
213 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(host).arg(port));
214 socket.connectToHost(host, port);
217 void NetworkConnection::networkInitialized(const QString ¤tServer) {
218 if(currentServer.isEmpty()) return;
220 if(network()->useAutoReconnect() && !network()->unlimitedReconnectRetries()) {
221 _autoReconnectCount = network()->autoReconnectRetries(); // reset counter
226 // now we are initialized
227 setConnectionState(Network::Initialized);
228 network()->setConnected(true);
229 emit connected(networkId());
234 void NetworkConnection::sendPerform() {
235 BufferInfo statusBuf = Core::bufferInfo(coreSession()->user(), network()->networkId(), BufferInfo::StatusBuffer);
237 if(network()->useAutoIdentify() && !network()->autoIdentifyService().isEmpty() && !network()->autoIdentifyPassword().isEmpty()) {
238 userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(network()->autoIdentifyService(), network()->autoIdentifyPassword()));
241 foreach(QString line, network()->perform()) {
242 if(!line.isEmpty()) userInput(statusBuf, line);
245 // rejoin channels we've been in
246 QStringList channels, keys;
247 foreach(QString chan, persistentChannels()) {
248 QString key = channelKey(chan);
250 channels.prepend(chan); keys.prepend(key);
252 channels.append(chan);
255 QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
256 if(!joinString.isEmpty()) userInputHandler()->handleJoin(statusBuf, joinString);
259 void NetworkConnection::disconnectFromIrc(bool requested) {
260 _autoReconnectTimer.stop();
261 _autoReconnectCount = 0;
262 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
263 if(socket.state() < QAbstractSocket::ConnectedState) {
264 setConnectionState(Network::Disconnected);
265 socketDisconnected();
266 } else socket.disconnectFromHost();
269 emit quitRequested(networkId());
273 void NetworkConnection::socketHasData() {
274 while(socket.canReadLine()) {
275 QByteArray s = socket.readLine().trimmed();
276 ircServerHandler()->handleServerMsg(s);
280 void NetworkConnection::socketError(QAbstractSocket::SocketError) {
281 _previousConnectionAttemptFailed = true;
282 qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
283 emit connectionError(socket.errorString());
284 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
285 network()->emitConnectionError(socket.errorString());
286 if(socket.state() < QAbstractSocket::ConnectedState) {
287 setConnectionState(Network::Disconnected);
288 socketDisconnected();
290 // mark last connection attempt as failed
292 //qDebug() << "exiting...";
296 void NetworkConnection::socketConnected() {
297 //emit connected(networkId()); initialize first!
298 Identity *identity = coreSession()->identity(network()->identity());
300 qWarning() << "Identity invalid!";
304 putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0]))); // FIXME: try more nicks if error occurs
305 putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
308 void NetworkConnection::socketStateChanged(QAbstractSocket::SocketState socketState) {
309 Network::ConnectionState state;
310 switch(socketState) {
311 case QAbstractSocket::UnconnectedState:
312 state = Network::Disconnected;
314 case QAbstractSocket::HostLookupState:
315 case QAbstractSocket::ConnectingState:
316 state = Network::Connecting;
318 case QAbstractSocket::ConnectedState:
319 state = Network::Initializing;
321 case QAbstractSocket::ClosingState:
322 state = Network::Disconnecting;
325 state = Network::Disconnected;
327 setConnectionState(state);
330 void NetworkConnection::socketDisconnected() {
332 network()->setConnected(false);
333 emit disconnected(networkId());
334 if(_autoReconnectCount != 0) {
335 setConnectionState(Network::Reconnecting);
336 if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
337 else _autoReconnectTimer.start();
341 void NetworkConnection::doAutoReconnect() {
342 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
343 qWarning() << "NetworkConnection::doAutoReconnect(): Cannot reconnect while not being disconnected!";
346 if(_autoReconnectCount > 0) _autoReconnectCount--;
350 // FIXME switch to BufferId
351 void NetworkConnection::userInput(BufferInfo buf, QString msg) {
352 userInputHandler()->handleUserInput(buf, msg);
355 void NetworkConnection::putRawLine(QByteArray s) {
360 void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
362 if(!prefix.isEmpty())
363 msg += ":" + prefix + " ";
364 msg += cmd.toUpper().toAscii();
366 for(int i = 0; i < params.size() - 1; i++) {
367 msg += " " + params[i].toByteArray();
369 if(!params.isEmpty())
370 msg += " :" + params.last().toByteArray();
375 void NetworkConnection::sendWho() {
376 foreach(QString chan, network()->channels()) {
377 putRawLine("WHO " + serverEncode(chan));
381 void NetworkConnection::setChannelJoined(const QString &channel) {
382 emit channelJoined(networkId(), channel, _channelKeys[channel.toLower()]);
385 void NetworkConnection::setChannelParted(const QString &channel) {
386 removeChannelKey(channel);
387 emit channelParted(networkId(), channel);
390 void NetworkConnection::addChannelKey(const QString &channel, const QString &key) {
392 removeChannelKey(channel);
394 _channelKeys[channel.toLower()] = key;
398 void NetworkConnection::removeChannelKey(const QString &channel) {
399 _channelKeys.remove(channel.toLower());
402 void NetworkConnection::nickChanged(const QString &newNick, const QString &oldNick) {
403 emit nickChanged(networkId(), newNick, oldNick);
406 /* Exception classes for message handling */
407 NetworkConnection::ParseError::ParseError(QString cmd, QString prefix, QStringList params) {
409 _msg = QString("Command Parse Error: ") + cmd + params.join(" ");
412 NetworkConnection::UnknownCmdError::UnknownCmdError(QString cmd, QString prefix, QStringList params) {
414 _msg = QString("Unknown Command: ") + cmd + params.join(" ");