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 ***************************************************************************/
21 #include <QMetaObject>
22 #include <QMetaMethod>
23 #include <QMutexLocker>
24 #include <QCoreApplication>
27 #include "coresession.h"
28 #include "coresettings.h"
29 #include "signalproxy.h"
30 #include "sqlitestorage.h"
32 Core *Core::instanceptr = 0;
35 Core *Core::instance() {
36 if(instanceptr) return instanceptr;
37 instanceptr = new Core();
42 void Core::destroy() {
50 startTime = QDateTime::currentDateTime(); // for uptime :)
57 if(!(configured = initStorage(cs.databaseSettings().toMap()))) {
58 qWarning("Core is currently not configured!");
61 connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
62 startListening(cs.port());
67 bool Core::initStorage(QVariantMap dbSettings, bool setup) {
68 QString engine = dbSettings["Type"].toString().toLower();
71 qDebug() << "Deleting old storage object.";
72 storage->deleteLater();
76 // FIXME register new storageProviders here
77 if(engine == "sqlite" && SqliteStorage::isAvailable()) {
78 storage = new SqliteStorage(this);
79 connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)));
81 qWarning() << "Selected StorageBackend is not available:" << dbSettings["Type"].toString();
82 return configured = false;
85 if(setup && !storage->setup(dbSettings)) {
86 return configured = false;
89 return configured = storage->init(dbSettings);
93 // FIXME properly shutdown the sessions
97 void Core::restoreState() {
100 Q_ASSERT(!instance()->sessions.count());
102 QList<QVariant> users = s.coreState().toList();
103 if(users.count() > 0) {
104 qDebug() << "Restoring previous core state...";
105 foreach(QVariant v, users) {
106 QVariantMap m = v.toMap();
107 if(m.contains("UserId")) {
108 CoreSession *sess = createSession(m["UserId"].toUInt());
109 sess->restoreState(m["State"]); // FIXME multithreading
112 qDebug() << "...done.";
117 void Core::saveState() {
120 QList<QVariant> users;
121 foreach(CoreSession *sess, instance()->sessions.values()) {
123 m["UserId"] = sess->user(); // FIXME multithreading
124 m["State"] = sess->state();
127 s.setCoreState(users);
131 /*** Storage Access ***/
133 NetworkId Core::networkId(UserId user, const QString &network) {
134 QMutexLocker locker(&mutex);
135 return instance()->storage->getNetworkId(user, network);
138 BufferInfo Core::bufferInfo(UserId user, const QString &network, const QString &buffer) {
139 //QMutexLocker locker(&mutex);
140 return instance()->storage->getBufferInfo(user, network, buffer);
143 MsgId Core::storeMessage(const Message &message) {
144 QMutexLocker locker(&mutex);
145 return instance()->storage->logMessage(message);
148 QList<Message> Core::requestMsgs(BufferInfo buffer, int lastmsgs, int offset) {
149 QMutexLocker locker(&mutex);
150 return instance()->storage->requestMsgs(buffer, lastmsgs, offset);
153 QList<Message> Core::requestMsgs(BufferInfo buffer, QDateTime since, int offset) {
154 QMutexLocker locker(&mutex);
155 return instance()->storage->requestMsgs(buffer, since, offset);
158 QList<Message> Core::requestMsgRange(BufferInfo buffer, int first, int last) {
159 QMutexLocker locker(&mutex);
160 return instance()->storage->requestMsgRange(buffer, first, last);
163 QList<BufferInfo> Core::requestBuffers(UserId user, QDateTime since) {
164 QMutexLocker locker(&mutex);
165 return instance()->storage->requestBuffers(user, since);
168 /*** Network Management ***/
170 bool Core::startListening(uint port) {
171 if(!server.listen(QHostAddress::Any, port)) {
172 qWarning(QString(QString("Could not open GUI client port %1: %2").arg(port).arg(server.errorString())).toAscii());
175 qDebug() << "Listening for GUI clients on port" << server.serverPort();
179 void Core::stopListening() {
181 qDebug() << "No longer listening for GUI clients.";
184 void Core::incomingConnection() {
185 // TODO implement SSL
186 while (server.hasPendingConnections()) {
187 QTcpSocket *socket = server.nextPendingConnection();
188 connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
189 connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
190 QVariantMap clientInfo;
191 blocksizes.insert(socket, (quint32)0);
192 qDebug() << "Client connected from" << qPrintable(socket->peerAddress().toString());
196 qDebug() << "Closing server for basic setup.";
201 void Core::clientHasData() {
202 QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
203 Q_ASSERT(socket && blocksizes.contains(socket));
205 while(SignalProxy::readDataFromDevice(socket, blocksizes[socket], item)) {
206 QVariantMap msg = item.toMap();
207 if(!msg.contains("MsgType")) {
208 // Client is way too old, does not even use the current init format
209 qWarning() << qPrintable(tr("Antique client trying to connect... refusing."));
213 // OK, so we have at least an init message format we can understand
214 if(msg["MsgType"] == "ClientInit") {
216 reply["CoreVersion"] = Global::quasselVersion;
217 reply["CoreDate"] = Global::quasselDate;
218 reply["CoreBuild"] = Global::quasselBuild;
219 // TODO: Make the core info configurable
220 int uptime = startTime.secsTo(QDateTime::currentDateTime());
221 int updays = uptime / 86400; uptime %= 86400;
222 int uphours = uptime / 3600; uptime %= 3600;
223 int upmins = uptime / 60;
224 reply["CoreInfo"] = tr("<b>Quassel Core Version %1 (Build >= %2)</b><br>"
225 "Up %3d%4h%5m (since %6)").arg(Global::quasselVersion).arg(Global::quasselBuild)
226 .arg(updays).arg(uphours,2,10,QChar('0')).arg(upmins,2,10,QChar('0')).arg(startTime.toString(Qt::TextDate));
228 reply["SupportSsl"] = false;
229 reply["LoginEnabled"] = true;
230 // TODO: check if we are configured, start wizard otherwise
232 // Just version information -- check it!
233 if(msg["ClientBuild"].toUInt() < Global::clientBuildNeeded) {
234 reply["MsgType"] = "ClientInitReject";
235 reply["Error"] = tr("<b>Your Quassel Client is too old!</b><br>"
236 "This core needs at least client version %1 (Build >= %2).<br>"
237 "Please consider upgrading your client.").arg(Global::quasselVersion).arg(Global::quasselBuild);
238 SignalProxy::writeDataToDevice(socket, reply);
239 qWarning() << qPrintable(tr("Client %1 too old, rejecting.").arg(socket->peerAddress().toString()));
240 socket->close(); return;
242 clientInfo[socket] = msg; // store for future reference
243 reply["MsgType"] = "ClientInitAck";
244 SignalProxy::writeDataToDevice(socket, reply);
245 } else if(msg["MsgType"] == "ClientLogin") {
247 if(!clientInfo.contains(socket)) {
248 reply["MsgType"] = "ClientLoginReject";
249 reply["Error"] = tr("<b>Client not initialized!</b><br>You need to send an init message before trying to login.");
250 SignalProxy::writeDataToDevice(socket, reply);
251 qWarning() << qPrintable(tr("Client %1 did not send an init message before trying to login, rejecting.").arg(socket->peerAddress().toString()));
252 socket->close(); return;
255 UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString());
258 reply["MsgType"] = "ClientLoginReject";
259 reply["Error"] = tr("<b>Invalid username or password!</b><br>The username/password combination you supplied could not be found in the database.");
260 SignalProxy::writeDataToDevice(socket, reply);
263 reply["MsgType"] = "ClientLoginAck";
264 SignalProxy::writeDataToDevice(socket, reply);
265 qDebug() << qPrintable(tr("Client %1 initialized and authentificated successfully as \"%2\".").arg(socket->peerAddress().toString(), msg["User"].toString()));
266 setupClientSession(socket, uid);
268 //socket->close(); return;
270 // we need to auth the client
272 QVariantMap msg = item.toMap();
273 if (msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
274 throw Exception("GUI client version mismatch");
277 processClientInit(socket, msg);
279 processCoreSetup(socket, msg);
281 } catch(Storage::AuthError) {
282 qWarning() << "Authentification error!"; // FIXME: send auth error to client
285 } catch(Exception e) {
286 qWarning() << "Client init error:" << e.msg();
293 // Potentially called during the initialization phase (before handing the connection off to the session)
294 void Core::clientDisconnected() {
295 QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
296 blocksizes.remove(socket);
297 clientInfo.remove(socket);
298 qDebug() << qPrintable(tr("Client %1 disconnected.").arg(socket->peerAddress().toString()));
299 socket->deleteLater();
302 // make server listen again if still not configured FIXME
307 // TODO remove unneeded sessions - if necessary/possible...
308 // Suggestion: kill sessions if they are not connected to any network and client.
312 //disconnect(socket, 0, this, 0);
314 sessions[uid]->addClient(socket); // FIXME multithreading
315 qDebug() << "Client initialized successfully.";
316 SignalProxy::writeDataToDevice(socket, reply);
320 void Core::processCoreSetup(QTcpSocket *socket, QVariantMap &msg) {
321 if(msg["HasSettings"].toBool()) {
323 auth["User"] = msg["User"];
324 auth["Password"] = msg["Password"];
326 msg.remove("Password");
327 qDebug() << "Initializing storage provider" << msg["Type"].toString();
329 if(!initStorage(msg, true)) {
330 // notify client to start wizard again
331 qWarning("Core is currently not configured!");
333 reply["StartWizard"] = true;
334 reply["StorageProviders"] = availableStorageProviders();
335 SignalProxy::writeDataToDevice(socket, reply);
337 // write coresettings
339 s.setDatabaseSettings(msg);
340 // write admin user to database & make the core listen again to connections
341 storage->addUser(auth["User"].toString(), auth["Password"].toString());
343 // continue the normal procedure
344 //processClientInit(socket, auth);
347 // notify client to start wizard
349 reply["StartWizard"] = true;
350 reply["StorageProviders"] = availableStorageProviders();
351 SignalProxy::writeDataToDevice(socket, reply);
355 void Core::setupClientSession(QTcpSocket *socket, UserId uid) {
356 // Find or create session for validated user
358 if(sessions.contains(uid)) sess = sessions[uid];
359 else sess = createSession(uid);
360 // Hand over socket, session then sends state itself
361 disconnect(socket, 0, this, 0);
363 qWarning() << qPrintable(tr("Could not initialize session for client %1!").arg(socket->peerAddress().toString()));
366 sess->addClient(socket);
369 SessionThread *Core::createSession(UserId uid) {
370 if(sessions.contains(uid)) {
371 qWarning() << "Calling createSession() when a session for the user already exists!";
374 SessionThread *sess = new SessionThread(uid, this);
375 sessions[uid] = sess;
380 QStringList Core::availableStorageProviders() {
381 QStringList storageProviders;
382 if (SqliteStorage::isAvailable()) {
383 storageProviders.append(SqliteStorage::displayName());
386 // storageProviders.append("MySQL");
388 return storageProviders;