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()));
65 NetworkConnection::~NetworkConnection() {
66 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
68 delete _ircServerHandler;
69 delete _userInputHandler;
73 bool NetworkConnection::isConnected() const {
74 // return socket.state() == QAbstractSocket::ConnectedState;
75 return connectionState() == Network::Initialized;
78 Network::ConnectionState NetworkConnection::connectionState() const {
79 return _connectionState;
82 void NetworkConnection::setConnectionState(Network::ConnectionState state) {
83 _connectionState = state;
84 network()->setConnectionState(state);
85 emit connectionStateChanged(state);
88 NetworkId NetworkConnection::networkId() const {
89 return network()->networkId();
92 QString NetworkConnection::networkName() const {
93 return network()->networkName();
96 Identity *NetworkConnection::identity() const {
97 return coreSession()->identity(network()->identity());
100 Network *NetworkConnection::network() const {
104 CoreSession *NetworkConnection::coreSession() const {
108 IrcServerHandler *NetworkConnection::ircServerHandler() const {
109 return _ircServerHandler;
112 UserInputHandler *NetworkConnection::userInputHandler() const {
113 return _userInputHandler;
116 CtcpHandler *NetworkConnection::ctcpHandler() const {
120 QString NetworkConnection::serverDecode(const QByteArray &string) const {
121 return network()->decodeServerString(string);
124 QString NetworkConnection::channelDecode(const QString &bufferName, const QByteArray &string) const {
125 if(!bufferName.isEmpty()) {
126 IrcChannel *channel = network()->ircChannel(bufferName);
127 if(channel) return channel->decodeString(string);
129 return network()->decodeString(string);
132 QString NetworkConnection::userDecode(const QString &userNick, const QByteArray &string) const {
133 IrcUser *user = network()->ircUser(userNick);
134 if(user) return user->decodeString(string);
135 return network()->decodeString(string);
138 QByteArray NetworkConnection::serverEncode(const QString &string) const {
139 return network()->encodeServerString(string);
142 QByteArray NetworkConnection::channelEncode(const QString &bufferName, const QString &string) const {
143 if(!bufferName.isEmpty()) {
144 IrcChannel *channel = network()->ircChannel(bufferName);
145 if(channel) return channel->encodeString(string);
147 return network()->encodeString(string);
150 QByteArray NetworkConnection::userEncode(const QString &userNick, const QString &string) const {
151 IrcUser *user = network()->ircUser(userNick);
152 if(user) return user->encodeString(string);
153 return network()->encodeString(string);
156 void NetworkConnection::autoReconnectSettingsChanged() {
157 if(!network()->useAutoReconnect()) {
158 _autoReconnectTimer.stop();
159 _autoReconnectCount = 0;
161 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
162 if(_autoReconnectCount != 0) {
163 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
164 else _autoReconnectCount = network()->autoReconnectRetries();
169 void NetworkConnection::connectToIrc(bool reconnecting) {
170 if(!reconnecting && network()->useAutoReconnect() && _autoReconnectCount == 0) {
171 _autoReconnectTimer.setInterval(network()->autoReconnectInterval() * 1000);
172 if(network()->unlimitedReconnectRetries()) _autoReconnectCount = -1;
173 else _autoReconnectCount = network()->autoReconnectRetries();
175 QVariantList serverList = network()->serverList();
176 Identity *identity = coreSession()->identity(network()->identity());
177 if(!serverList.count()) {
178 qWarning() << "Server list empty, ignoring connect request!";
182 qWarning() << "Invalid identity configures, ignoring connect request!";
185 // TODO implement cycling / random servers
186 QString host = serverList[0].toMap()["Host"].toString();
187 quint16 port = serverList[0].toMap()["Port"].toUInt();
188 displayStatusMsg(tr("Connecting to %1:%2...").arg(host).arg(port));
189 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(host).arg(port));
190 socket.connectToHost(host, port);
193 void NetworkConnection::networkInitialized(const QString ¤tServer) {
194 if(currentServer.isEmpty()) return;
196 if(network()->useAutoReconnect() && !network()->unlimitedReconnectRetries()) {
197 _autoReconnectCount = network()->autoReconnectRetries(); // reset counter
202 // rejoin channels we've been in
203 QStringList chans = _previousState.toStringList();
204 if(chans.count() > 0) {
205 qDebug() << "autojoining" << chans;
207 list << serverEncode(chans.join(",")); // TODO add channel passwords
208 putCmd("JOIN", list); // FIXME check for 512 byte limit!
210 // delete _previousState, we won't need it again
211 _previousState = QVariant();
212 // now we are initialized
213 setConnectionState(Network::Initialized);
214 network()->setConnected(true);
215 emit connected(networkId());
218 void NetworkConnection::sendPerform() {
219 BufferInfo statusBuf = Core::bufferInfo(coreSession()->user(), network()->networkId(), BufferInfo::StatusBuffer);
221 if(network()->useAutoIdentify() && !network()->autoIdentifyService().isEmpty() && !network()->autoIdentifyPassword().isEmpty()) {
222 userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(network()->autoIdentifyService(), network()->autoIdentifyPassword()));
225 foreach(QString line, network()->perform()) {
226 if(!line.isEmpty()) userInput(statusBuf, line);
230 QVariant NetworkConnection::state() const {
231 IrcUser *me = network()->ircUser(network()->myNick());
232 if(!me) return QVariant(); // this shouldn't really happen, I guess
233 return me->channels();
236 void NetworkConnection::disconnectFromIrc() {
237 _autoReconnectTimer.stop();
238 _autoReconnectCount = 0;
239 displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
240 if(socket.state() < QAbstractSocket::ConnectedState) {
241 setConnectionState(Network::Disconnected);
242 socketDisconnected();
243 } else socket.disconnectFromHost();
246 void NetworkConnection::socketHasData() {
247 while(socket.canReadLine()) {
248 QByteArray s = socket.readLine().trimmed();
249 ircServerHandler()->handleServerMsg(s);
253 void NetworkConnection::socketError(QAbstractSocket::SocketError) {
254 qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
255 emit connectionError(socket.errorString());
256 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
257 network()->emitConnectionError(socket.errorString());
258 if(socket.state() < QAbstractSocket::ConnectedState) {
259 setConnectionState(Network::Disconnected);
260 socketDisconnected();
264 void NetworkConnection::socketConnected() {
265 //emit connected(networkId()); initialize first!
266 Identity *identity = coreSession()->identity(network()->identity());
268 qWarning() << "Identity invalid!";
272 putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0]))); // FIXME: try more nicks if error occurs
273 putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
276 void NetworkConnection::socketStateChanged(QAbstractSocket::SocketState socketState) {
277 Network::ConnectionState state;
278 switch(socketState) {
279 case QAbstractSocket::UnconnectedState:
280 state = Network::Disconnected;
282 case QAbstractSocket::HostLookupState:
283 case QAbstractSocket::ConnectingState:
284 state = Network::Connecting;
286 case QAbstractSocket::ConnectedState:
287 state = Network::Initializing;
289 case QAbstractSocket::ClosingState:
290 state = Network::Disconnecting;
293 state = Network::Disconnected;
295 setConnectionState(state);
298 void NetworkConnection::socketDisconnected() {
299 network()->setConnected(false);
300 emit disconnected(networkId());
301 if(_autoReconnectCount == 0) emit quitRequested(networkId());
303 setConnectionState(Network::Reconnecting);
304 if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
305 else _autoReconnectTimer.start();
309 void NetworkConnection::doAutoReconnect() {
310 if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
311 qWarning() << "NetworkConnection::doAutoReconnect(): Cannot reconnect while not being disconnected!";
314 if(_autoReconnectCount > 0) _autoReconnectCount--;
318 // FIXME switch to BufferId
319 void NetworkConnection::userInput(BufferInfo buf, QString msg) {
320 userInputHandler()->handleUserInput(buf, msg);
323 void NetworkConnection::putRawLine(QByteArray s) {
328 void NetworkConnection::putCmd(const QString &cmd, const QVariantList ¶ms, const QByteArray &prefix) {
330 if(!prefix.isEmpty())
331 msg += ":" + prefix + " ";
332 msg += cmd.toUpper().toAscii();
334 for(int i = 0; i < params.size() - 1; i++) {
335 msg += " " + params[i].toByteArray();
337 if(!params.isEmpty())
338 msg += " :" + params.last().toByteArray();
343 /* Exception classes for message handling */
344 NetworkConnection::ParseError::ParseError(QString cmd, QString prefix, QStringList params) {
346 _msg = QString("Command Parse Error: ") + cmd + params.join(" ");
349 NetworkConnection::UnknownCmdError::UnknownCmdError(QString cmd, QString prefix, QStringList params) {
351 _msg = QString("Unknown Command: ") + cmd + params.join(" ");