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);
50 // TODO make configurable
51 _whoTimer.setInterval(60 * 1000);
52 _whoTimer.setSingleShot(false);
54 QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
55 foreach(QString chan, channels.keys()) {
56 _channelKeys[chan.toLower()] = channels[chan];
59 connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
60 connect(&_whoTimer, SIGNAL(timeout()), this, SLOT(sendWho()));
62 connect(network, SIGNAL(currentServerSet(const QString &)), this, SLOT(networkInitialized(const QString &)));
63 connect(network, SIGNAL(useAutoReconnectSet(bool)), this, SLOT(autoReconnectSettingsChanged()));
64 connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
65 connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
67 connect(&socket, SIGNAL(connected()), this, SLOT(socketConnected()));
68 connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
69 connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
70 connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
71 connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
73 connect(_ircServerHandler, SIGNAL(nickChanged(const QString &, const QString &)),
74 this, SLOT(nickChanged(const QString &, const QString &)));
77 NetworkConnection::~NetworkConnection() {
78 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
79 disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
80 delete _ircServerHandler;
81 delete _userInputHandler;
85 bool NetworkConnection::isConnected() const {
86 // return socket.state() == QAbstractSocket::ConnectedState;
87 return connectionState() == Network::Initialized;
90 Network::ConnectionState NetworkConnection::connectionState() const {
91 return _connectionState;
94 void NetworkConnection::setConnectionState(Network::ConnectionState state) {
95 _connectionState = state;
96 network()->setConnectionState(state);
97 emit connectionStateChanged(state);
100 NetworkId NetworkConnection::networkId() const {
101 return network()->networkId();
104 QString NetworkConnection::networkName() const {
105 return network()->networkName();
108 Identity *NetworkConnection::identity() const {
109 return coreSession()->identity(network()->identity());
112 Network *NetworkConnection::network() const {
116 CoreSession *NetworkConnection::coreSession() const {
120 IrcServerHandler *NetworkConnection::ircServerHandler() const {
121 return _ircServerHandler;
124 UserInputHandler *NetworkConnection::userInputHandler() const {
125 return _userInputHandler;
128 CtcpHandler *NetworkConnection::ctcpHandler() const {
132 QString NetworkConnection::serverDecode(const QByteArray &string) const {
133 return network()->decodeServerString(string);
136 QString NetworkConnection::channelDecode(const QString &bufferName, const QByteArray &string) const {
137 if(!bufferName.isEmpty()) {
138 IrcChannel *channel = network()->ircChannel(bufferName);
139 if(channel) return channel->decodeString(string);
141 return network()->decodeString(string);
144 QString NetworkConnection::userDecode(const QString &userNick, const QByteArray &string) const {
145 IrcUser *user = network()->ircUser(userNick);
146 if(user) return user->decodeString(string);
147 return network()->decodeString(string);
150 QByteArray NetworkConnection::serverEncode(const QString &string) const {
151 return network()->encodeServerString(string);
154 QByteArray NetworkConnection::channelEncode(const QString &bufferName, const QString &string) const {
155 if(!bufferName.isEmpty()) {
156 IrcChannel *channel = network()->ircChannel(bufferName);
157 if(channel) return channel->encodeString(string);
159 return network()->encodeString(string);
162 QByteArray NetworkConnection::userEncode(const QString &userNick, const QString &string) const {
163 IrcUser *user = network()->ircUser(userNick);
164 if(user) return user->encodeString(string);
165 return network()->encodeString(string);
168 void NetworkConnection::autoReconnectSettingsChanged() {
169 if(!network()->useAutoReconnect()) {
170 _autoReconnectTimer.stop();
171 _autoReconnectCount = 0;
173 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
174 if(_autoReconnectCount != 0) {
175 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
176 else _autoReconnectCount = network()->autoReconnectRetries();
181 void NetworkConnection::connectToIrc(bool reconnecting) {
182 if(!reconnecting && network()->useAutoReconnect() && _autoReconnectCount == 0) {
183 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
184 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
185 else _autoReconnectCount = network()->autoReconnectRetries();
187 QVariantList serverList = network()->serverList();
188 Identity *identity = coreSession()->identity(network()->identity());
189 if(!serverList.count()) {
190 qWarning() << "Server list empty, ignoring connect request!";
194 qWarning() << "Invalid identity configures, ignoring connect request!";
197 // TODO implement cycling / random servers
198 QString host = serverList[0].toMap()["Host"].toString();
199 quint16 port = serverList[0].toMap()["Port"].toUInt();
200 displayStatusMsg(tr("Connecting to %1:%2...").arg(host).arg(port));
201 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(host).arg(port));
202 socket.connectToHost(host, port);
205 void NetworkConnection::networkInitialized(const QString ¤tServer) {
206 if(currentServer.isEmpty()) return;
208 if(network()->useAutoReconnect() && !network()->unlimitedReconnectRetries()) {
209 _autoReconnectCount = network()->autoReconnectRetries(); // reset counter
214 // now we are initialized
215 setConnectionState(Network::Initialized);
216 network()->setConnected(true);
217 emit connected(networkId());
222 void NetworkConnection::sendPerform() {
223 BufferInfo statusBuf = Core::bufferInfo(coreSession()->user(), network()->networkId(), BufferInfo::StatusBuffer);
225 if(network()->useAutoIdentify() && !network()->autoIdentifyService().isEmpty() && !network()->autoIdentifyPassword().isEmpty()) {
226 userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(network()->autoIdentifyService(), network()->autoIdentifyPassword()));
229 foreach(QString line, network()->perform()) {
230 if(!line.isEmpty()) userInput(statusBuf, line);
233 // rejoin channels we've been in
234 QStringList channels, keys;
235 foreach(QString chan, persistentChannels()) {
236 QString key = channelKey(chan);
238 channels.prepend(chan); keys.prepend(key);
240 channels.append(chan);
243 QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
244 if(!joinString.isEmpty()) userInputHandler()->handleJoin(statusBuf, joinString);
247 void NetworkConnection::disconnectFromIrc(bool requested) {
248 _autoReconnectTimer.stop();
249 _autoReconnectCount = 0;
250 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
251 if(socket.state() < QAbstractSocket::ConnectedState) {
252 setConnectionState(Network::Disconnected);
253 socketDisconnected();
254 } else socket.disconnectFromHost();
257 emit quitRequested(networkId());
261 void NetworkConnection::socketHasData() {
262 while(socket.canReadLine()) {
263 QByteArray s = socket.readLine().trimmed();
264 ircServerHandler()->handleServerMsg(s);
268 void NetworkConnection::socketError(QAbstractSocket::SocketError) {
269 qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
270 emit connectionError(socket.errorString());
271 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
272 network()->emitConnectionError(socket.errorString());
273 if(socket.state() < QAbstractSocket::ConnectedState) {
274 setConnectionState(Network::Disconnected);
275 socketDisconnected();
277 //qDebug() << "exiting...";
281 void NetworkConnection::socketConnected() {
282 //emit connected(networkId()); initialize first!
283 Identity *identity = coreSession()->identity(network()->identity());
285 qWarning() << "Identity invalid!";
289 putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0]))); // FIXME: try more nicks if error occurs
290 putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
293 void NetworkConnection::socketStateChanged(QAbstractSocket::SocketState socketState) {
294 Network::ConnectionState state;
295 switch(socketState) {
296 case QAbstractSocket::UnconnectedState:
297 state = Network::Disconnected;
299 case QAbstractSocket::HostLookupState:
300 case QAbstractSocket::ConnectingState:
301 state = Network::Connecting;
303 case QAbstractSocket::ConnectedState:
304 state = Network::Initializing;
306 case QAbstractSocket::ClosingState:
307 state = Network::Disconnecting;
310 state = Network::Disconnected;
312 setConnectionState(state);
315 void NetworkConnection::socketDisconnected() {
317 network()->setConnected(false);
318 emit disconnected(networkId());
319 if(_autoReconnectCount != 0) {
320 setConnectionState(Network::Reconnecting);
321 if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
322 else _autoReconnectTimer.start();
326 void NetworkConnection::doAutoReconnect() {
327 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
328 qWarning() << "NetworkConnection::doAutoReconnect(): Cannot reconnect while not being disconnected!";
331 if(_autoReconnectCount > 0) _autoReconnectCount--;
335 // FIXME switch to BufferId
336 void NetworkConnection::userInput(BufferInfo buf, QString msg) {
337 userInputHandler()->handleUserInput(buf, msg);
340 void NetworkConnection::putRawLine(QByteArray s) {
345 void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
347 if(!prefix.isEmpty())
348 msg += ":" + prefix + " ";
349 msg += cmd.toUpper().toAscii();
351 for(int i = 0; i < params.size() - 1; i++) {
352 msg += " " + params[i].toByteArray();
354 if(!params.isEmpty())
355 msg += " :" + params.last().toByteArray();
360 void NetworkConnection::sendWho() {
361 foreach(QString chan, network()->channels()) {
362 putRawLine("WHO " + serverEncode(chan));
366 void NetworkConnection::setChannelJoined(const QString &channel) {
367 emit channelJoined(networkId(), channel, _channelKeys[channel.toLower()]);
370 void NetworkConnection::setChannelParted(const QString &channel) {
371 removeChannelKey(channel);
372 emit channelParted(networkId(), channel);
375 void NetworkConnection::addChannelKey(const QString &channel, const QString &key) {
377 removeChannelKey(channel);
379 _channelKeys[channel.toLower()] = key;
383 void NetworkConnection::removeChannelKey(const QString &channel) {
384 _channelKeys.remove(channel.toLower());
387 void NetworkConnection::nickChanged(const QString &newNick, const QString &oldNick) {
388 emit nickChanged(networkId(), newNick, oldNick);
391 /* Exception classes for message handling */
392 NetworkConnection::ParseError::ParseError(QString cmd, QString prefix, QStringList params) {
394 _msg = QString("Command Parse Error: ") + cmd + params.join(" ");
397 NetworkConnection::UnknownCmdError::UnknownCmdError(QString cmd, QString prefix, QStringList params) {
399 _msg = QString("Unknown Command: ") + cmd + params.join(" ");