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, const QVariant &state) : 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 _previousState(state),
47 _autoReconnectCount(0)
49 _autoReconnectTimer.setSingleShot(true);
50 connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
52 connect(network, SIGNAL(currentServerSet(const QString &)), this, SLOT(networkInitialized(const QString &)));
53 connect(network, SIGNAL(useAutoReconnectSet(bool)), this, SLOT(autoReconnectSettingsChanged()));
54 connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
55 connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
57 connect(&socket, SIGNAL(connected()), this, SLOT(socketConnected()));
58 connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
59 connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
60 connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
61 connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
63 connect(_ircServerHandler, SIGNAL(nickChanged(const QString &, const QString &)),
64 this, SLOT(nickChanged(const QString &, const QString &)));
67 NetworkConnection::~NetworkConnection() {
68 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
70 delete _ircServerHandler;
71 delete _userInputHandler;
75 bool NetworkConnection::isConnected() const {
76 // return socket.state() == QAbstractSocket::ConnectedState;
77 return connectionState() == Network::Initialized;
80 Network::ConnectionState NetworkConnection::connectionState() const {
81 return _connectionState;
84 void NetworkConnection::setConnectionState(Network::ConnectionState state) {
85 _connectionState = state;
86 network()->setConnectionState(state);
87 emit connectionStateChanged(state);
90 NetworkId NetworkConnection::networkId() const {
91 return network()->networkId();
94 QString NetworkConnection::networkName() const {
95 return network()->networkName();
98 Identity *NetworkConnection::identity() const {
99 return coreSession()->identity(network()->identity());
102 Network *NetworkConnection::network() const {
106 CoreSession *NetworkConnection::coreSession() const {
110 IrcServerHandler *NetworkConnection::ircServerHandler() const {
111 return _ircServerHandler;
114 UserInputHandler *NetworkConnection::userInputHandler() const {
115 return _userInputHandler;
118 CtcpHandler *NetworkConnection::ctcpHandler() const {
122 QString NetworkConnection::serverDecode(const QByteArray &string) const {
123 return network()->decodeServerString(string);
126 QString NetworkConnection::channelDecode(const QString &bufferName, const QByteArray &string) const {
127 if(!bufferName.isEmpty()) {
128 IrcChannel *channel = network()->ircChannel(bufferName);
129 if(channel) return channel->decodeString(string);
131 return network()->decodeString(string);
134 QString NetworkConnection::userDecode(const QString &userNick, const QByteArray &string) const {
135 IrcUser *user = network()->ircUser(userNick);
136 if(user) return user->decodeString(string);
137 return network()->decodeString(string);
140 QByteArray NetworkConnection::serverEncode(const QString &string) const {
141 return network()->encodeServerString(string);
144 QByteArray NetworkConnection::channelEncode(const QString &bufferName, const QString &string) const {
145 if(!bufferName.isEmpty()) {
146 IrcChannel *channel = network()->ircChannel(bufferName);
147 if(channel) return channel->encodeString(string);
149 return network()->encodeString(string);
152 QByteArray NetworkConnection::userEncode(const QString &userNick, const QString &string) const {
153 IrcUser *user = network()->ircUser(userNick);
154 if(user) return user->encodeString(string);
155 return network()->encodeString(string);
158 void NetworkConnection::autoReconnectSettingsChanged() {
159 if(!network()->useAutoReconnect()) {
160 _autoReconnectTimer.stop();
161 _autoReconnectCount = 0;
163 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
164 if(_autoReconnectCount != 0) {
165 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
166 else _autoReconnectCount = network()->autoReconnectRetries();
171 void NetworkConnection::connectToIrc(bool reconnecting) {
172 if(!reconnecting && network()->useAutoReconnect() && _autoReconnectCount == 0) {
173 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
174 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
175 else _autoReconnectCount = network()->autoReconnectRetries();
177 QVariantList serverList = network()->serverList();
178 Identity *identity = coreSession()->identity(network()->identity());
179 if(!serverList.count()) {
180 qWarning() << "Server list empty, ignoring connect request!";
184 qWarning() << "Invalid identity configures, ignoring connect request!";
187 // TODO implement cycling / random servers
188 QString host = serverList[0].toMap()["Host"].toString();
189 quint16 port = serverList[0].toMap()["Port"].toUInt();
190 displayStatusMsg(tr("Connecting to %1:%2...").arg(host).arg(port));
191 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(host).arg(port));
192 socket.connectToHost(host, port);
195 void NetworkConnection::networkInitialized(const QString ¤tServer) {
196 if(currentServer.isEmpty()) return;
198 if(network()->useAutoReconnect() && !network()->unlimitedReconnectRetries()) {
199 _autoReconnectCount = network()->autoReconnectRetries(); // reset counter
204 // rejoin channels we've been in
205 QStringList chans = _previousState.toStringList();
206 if(chans.count() > 0) {
207 qDebug() << "autojoining" << chans;
209 list << serverEncode(chans.join(",")); // TODO add channel passwords
210 putCmd("JOIN", list); // FIXME check for 512 byte limit!
212 // delete _previousState, we won't need it again
213 _previousState = QVariant();
214 // now we are initialized
215 setConnectionState(Network::Initialized);
216 network()->setConnected(true);
217 emit connected(networkId());
220 void NetworkConnection::sendPerform() {
221 BufferInfo statusBuf = Core::bufferInfo(coreSession()->user(), network()->networkId(), BufferInfo::StatusBuffer);
223 if(network()->useAutoIdentify() && !network()->autoIdentifyService().isEmpty() && !network()->autoIdentifyPassword().isEmpty()) {
224 userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(network()->autoIdentifyService(), network()->autoIdentifyPassword()));
227 foreach(QString line, network()->perform()) {
228 if(!line.isEmpty()) userInput(statusBuf, line);
232 QVariant NetworkConnection::state() const {
233 IrcUser *me = network()->ircUser(network()->myNick());
234 if(!me) return QVariant(); // this shouldn't really happen, I guess
235 return me->channels();
238 void NetworkConnection::disconnectFromIrc() {
239 _autoReconnectTimer.stop();
240 _autoReconnectCount = 0;
241 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
242 if(socket.state() < QAbstractSocket::ConnectedState) {
243 setConnectionState(Network::Disconnected);
244 socketDisconnected();
245 } else socket.disconnectFromHost();
248 void NetworkConnection::socketHasData() {
249 while(socket.canReadLine()) {
250 QByteArray s = socket.readLine().trimmed();
251 ircServerHandler()->handleServerMsg(s);
255 void NetworkConnection::socketError(QAbstractSocket::SocketError) {
256 qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
257 emit connectionError(socket.errorString());
258 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
259 network()->emitConnectionError(socket.errorString());
260 if(socket.state() < QAbstractSocket::ConnectedState) {
261 setConnectionState(Network::Disconnected);
262 socketDisconnected();
266 void NetworkConnection::socketConnected() {
267 //emit connected(networkId()); initialize first!
268 Identity *identity = coreSession()->identity(network()->identity());
270 qWarning() << "Identity invalid!";
274 putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0]))); // FIXME: try more nicks if error occurs
275 putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
278 void NetworkConnection::socketStateChanged(QAbstractSocket::SocketState socketState) {
279 Network::ConnectionState state;
280 switch(socketState) {
281 case QAbstractSocket::UnconnectedState:
282 state = Network::Disconnected;
284 case QAbstractSocket::HostLookupState:
285 case QAbstractSocket::ConnectingState:
286 state = Network::Connecting;
288 case QAbstractSocket::ConnectedState:
289 state = Network::Initializing;
291 case QAbstractSocket::ClosingState:
292 state = Network::Disconnecting;
295 state = Network::Disconnected;
297 setConnectionState(state);
300 void NetworkConnection::socketDisconnected() {
301 network()->setConnected(false);
302 emit disconnected(networkId());
303 if(_autoReconnectCount == 0) emit quitRequested(networkId());
305 setConnectionState(Network::Reconnecting);
306 if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
307 else _autoReconnectTimer.start();
311 void NetworkConnection::doAutoReconnect() {
312 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
313 qWarning() << "NetworkConnection::doAutoReconnect(): Cannot reconnect while not being disconnected!";
316 if(_autoReconnectCount > 0) _autoReconnectCount--;
320 // FIXME switch to BufferId
321 void NetworkConnection::userInput(BufferInfo buf, QString msg) {
322 userInputHandler()->handleUserInput(buf, msg);
325 void NetworkConnection::putRawLine(QByteArray s) {
330 void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
332 if(!prefix.isEmpty())
333 msg += ":" + prefix + " ";
334 msg += cmd.toUpper().toAscii();
336 for(int i = 0; i < params.size() - 1; i++) {
337 msg += " " + params[i].toByteArray();
339 if(!params.isEmpty())
340 msg += " :" + params.last().toByteArray();
345 void NetworkConnection::nickChanged(const QString &newNick, const QString &oldNick) {
346 emit nickChanged(_network->networkId(), newNick, oldNick);
349 /* Exception classes for message handling */
350 NetworkConnection::ParseError::ParseError(QString cmd, QString prefix, QStringList params) {
352 _msg = QString("Command Parse Error: ") + cmd + params.join(" ");
355 NetworkConnection::UnknownCmdError::UnknownCmdError(QString cmd, QString prefix, QStringList params) {
357 _msg = QString("Unknown Command: ") + cmd + params.join(" ");