/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel IRC Development Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#include <QMetaObject>
+#include <QMetaMethod>
+#include <QMutexLocker>
+#include <QCoreApplication>
+
#include "core.h"
#include "coresession.h"
+#include "coresettings.h"
+#include "signalproxy.h"
#include "sqlitestorage.h"
-#include "util.h"
+#include "network.h"
Core *Core::instanceptr = 0;
+QMutex Core::mutex;
-Core * Core::instance() {
+Core *Core::instance() {
if(instanceptr) return instanceptr;
instanceptr = new Core();
instanceptr->init();
instanceptr = 0;
}
-Core::Core() {
+Core::Core()
+ : storage(0)
+{
+ startTime = QDateTime::currentDateTime(); // for uptime :)
+ connect(&_storageSyncTimer, SIGNAL(timeout()),
+ this, SLOT(syncStorage()));
+ _storageSyncTimer.start(10 * 60 * 1000); // in msecs
}
void Core::init() {
- if(!SqliteStorage::isAvailable()) {
- qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled.");
+ configured = false;
+
+ CoreSettings cs;
+ if(!(configured = initStorage(cs.databaseSettings().toMap()))) {
+ qWarning("Core is currently not configured!");
}
- //SqliteStorage::init();
- storage = new SqliteStorage();
+
connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
- startListening(); // FIXME make configurable
+ startListening(cs.port());
guiUser = 0;
+
+}
+
+bool Core::initStorage(QVariantMap dbSettings, bool setup) {
+ QString engine = dbSettings["Type"].toString().toLower();
+
+ if(storage) {
+ qDebug() << "Deleting old storage object.";
+ storage->deleteLater();
+ storage = 0;
+ }
+
+ // FIXME register new storageProviders here
+ if(engine == "sqlite" && SqliteStorage::isAvailable()) {
+ storage = new SqliteStorage(this);
+ connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)));
+ } else {
+ qWarning() << "Selected StorageBackend is not available:" << dbSettings["Type"].toString();
+ return configured = false;
+ }
+
+ if(setup && !storage->setup(dbSettings)) {
+ return configured = false;
+ }
+
+ return configured = storage->init(dbSettings);
}
Core::~Core() {
+ // FIXME properly shutdown the sessions
qDeleteAll(sessions);
- delete storage;
}
-CoreSession *Core::session(UserId uid) {
- Core *core = instance();
- if(core->sessions.contains(uid)) return core->sessions[uid];
- else return 0;
+void Core::syncStorage() {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->sync();
+}
+
+void Core::restoreState() {
+ if(instance()->sessions.count()) {
+ qWarning() << qPrintable(tr("Calling restoreState() even though active sessions exist!"));
+ return;
+ }
+ CoreSettings s;
+ uint build = s.coreState().toMap()["CoreBuild"].toUInt();
+ if(build < 362) {
+ qWarning() << qPrintable(tr("Core state too old, ignoring..."));
+ return;
+ }
+ QVariantList activeSessions = s.coreState().toMap()["ActiveSessions"].toList();
+ if(activeSessions.count() > 0) {
+ qDebug() << "Restoring previous core state...";
+ foreach(QVariant v, activeSessions) {
+ UserId user = v.value<UserId>();
+ instance()->createSession(user, true);
+ }
+ qDebug() << "...done.";
+ }
}
-CoreSession *Core::localSession() {
- Core *core = instance();
- if(core->guiUser && core->sessions.contains(core->guiUser)) return core->sessions[core->guiUser];
- else return 0;
+void Core::saveState() {
+ CoreSettings s;
+ QVariantMap state;
+ QVariantList activeSessions;
+ foreach(UserId user, instance()->sessions.keys()) activeSessions << QVariant::fromValue<UserId>(user);
+ state["CoreBuild"] = Global::quasselBuild;
+ state["ActiveSessions"] = activeSessions;
+ s.setCoreState(state);
}
-CoreSession *Core::createSession(UserId uid) {
- Core *core = instance();
- Q_ASSERT(!core->sessions.contains(uid));
- CoreSession *sess = new CoreSession(uid, core->storage);
- core->sessions[uid] = sess;
- return sess;
+/*** Storage Access ***/
+bool Core::createNetworkId(UserId user, NetworkInfo &info) {
+ QMutexLocker locker(&mutex);
+ NetworkId networkId = instance()->storage->createNetworkId(user, info);
+ if(!networkId.isValid())
+ return false;
+
+ info.networkId = networkId;
+ return true;
+}
+
+NetworkId Core::networkId(UserId user, const QString &network) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->getNetworkId(user, network);
+}
+
+BufferInfo Core::bufferInfo(UserId user, const NetworkId &networkId, const QString &buffer) {
+ //QMutexLocker locker(&mutex);
+ return instance()->storage->getBufferInfo(user, networkId, buffer);
+}
+
+MsgId Core::storeMessage(const Message &message) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->logMessage(message);
+}
+
+QList<Message> Core::requestMsgs(BufferInfo buffer, int lastmsgs, int offset) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->requestMsgs(buffer, lastmsgs, offset);
}
+QList<Message> Core::requestMsgs(BufferInfo buffer, QDateTime since, int offset) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->requestMsgs(buffer, since, offset);
+}
+
+QList<Message> Core::requestMsgRange(BufferInfo buffer, int first, int last) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->requestMsgRange(buffer, first, last);
+}
+
+QList<BufferInfo> Core::requestBuffers(UserId user, QDateTime since) {
+ QMutexLocker locker(&mutex);
+ return instance()->storage->requestBuffers(user, since);
+}
+
+/*** Network Management ***/
bool Core::startListening(uint port) {
if(!server.listen(QHostAddress::Any, port)) {
void Core::incomingConnection() {
// TODO implement SSL
- // TODO While
- QTcpSocket *socket = server.nextPendingConnection();
- connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
- connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
- blockSizes.insert(socket, (quint32)0);
- qDebug() << "Client connected from " << socket->peerAddress().toString();
+ while (server.hasPendingConnections()) {
+ QTcpSocket *socket = server.nextPendingConnection();
+ connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
+ connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
+ QVariantMap clientInfo;
+ blocksizes.insert(socket, (quint32)0);
+ qDebug() << "Client connected from" << qPrintable(socket->peerAddress().toString());
+
+ if (!configured) {
+ server.close();
+ qDebug() << "Closing server for basic setup.";
+ }
+ }
}
void Core::clientHasData() {
QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
- Q_ASSERT(socket && blockSizes.contains(socket));
- quint32 bsize = blockSizes.value(socket);
+ Q_ASSERT(socket && blocksizes.contains(socket));
QVariant item;
- if(readDataFromDevice(socket, bsize, item)) {
+ while(SignalProxy::readDataFromDevice(socket, blocksizes[socket], item)) {
+ QVariantMap msg = item.toMap();
+ if(!msg.contains("MsgType")) {
+ // Client is way too old, does not even use the current init format
+ qWarning() << qPrintable(tr("Antique client trying to connect... refusing."));
+ socket->close();
+ return;
+ }
+ // OK, so we have at least an init message format we can understand
+ if(msg["MsgType"] == "ClientInit") {
+ QVariantMap reply;
+ reply["CoreVersion"] = Global::quasselVersion;
+ reply["CoreDate"] = Global::quasselDate;
+ reply["CoreBuild"] = Global::quasselBuild;
+ // TODO: Make the core info configurable
+ int uptime = startTime.secsTo(QDateTime::currentDateTime());
+ int updays = uptime / 86400; uptime %= 86400;
+ int uphours = uptime / 3600; uptime %= 3600;
+ int upmins = uptime / 60;
+ reply["CoreInfo"] = tr("<b>Quassel Core Version %1 (Build >= %2)</b><br>"
+ "Up %3d%4h%5m (since %6)").arg(Global::quasselVersion).arg(Global::quasselBuild)
+ .arg(updays).arg(uphours,2,10,QChar('0')).arg(upmins,2,10,QChar('0')).arg(startTime.toString(Qt::TextDate));
+
+ reply["SupportSsl"] = false;
+ reply["LoginEnabled"] = true;
+ // TODO: check if we are configured, start wizard otherwise
+
+ // Just version information -- check it!
+ if(msg["ClientBuild"].toUInt() < Global::clientBuildNeeded) {
+ reply["MsgType"] = "ClientInitReject";
+ reply["Error"] = tr("<b>Your Quassel Client is too old!</b><br>"
+ "This core needs at least client version %1 (Build >= %2).<br>"
+ "Please consider upgrading your client.").arg(Global::quasselVersion).arg(Global::quasselBuild);
+ SignalProxy::writeDataToDevice(socket, reply);
+ qWarning() << qPrintable(tr("Client %1 too old, rejecting.").arg(socket->peerAddress().toString()));
+ socket->close(); return;
+ }
+ clientInfo[socket] = msg; // store for future reference
+ reply["MsgType"] = "ClientInitAck";
+ SignalProxy::writeDataToDevice(socket, reply);
+ } else if(msg["MsgType"] == "ClientLogin") {
+ QVariantMap reply;
+ if(!clientInfo.contains(socket)) {
+ reply["MsgType"] = "ClientLoginReject";
+ reply["Error"] = tr("<b>Client not initialized!</b><br>You need to send an init message before trying to login.");
+ SignalProxy::writeDataToDevice(socket, reply);
+ qWarning() << qPrintable(tr("Client %1 did not send an init message before trying to login, rejecting.").arg(socket->peerAddress().toString()));
+ socket->close(); return;
+ }
+ mutex.lock();
+ UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString());
+ mutex.unlock();
+ if(uid == 0) {
+ reply["MsgType"] = "ClientLoginReject";
+ reply["Error"] = tr("<b>Invalid username or password!</b><br>The username/password combination you supplied could not be found in the database.");
+ SignalProxy::writeDataToDevice(socket, reply);
+ continue;
+ }
+ reply["MsgType"] = "ClientLoginAck";
+ SignalProxy::writeDataToDevice(socket, reply);
+ qDebug() << qPrintable(tr("Client %1 initialized and authentificated successfully as \"%2\".").arg(socket->peerAddress().toString(), msg["User"].toString()));
+ setupClientSession(socket, uid);
+ }
+ //socket->close(); return;
+ /*
// we need to auth the client
try {
- processClientInit(socket, item);
+ QVariantMap msg = item.toMap();
+ if (msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
+ throw Exception("GUI client version mismatch");
+ }
+ if (configured) {
+ processClientInit(socket, msg);
+ } else {
+ processCoreSetup(socket, msg);
+ }
} catch(Storage::AuthError) {
- qWarning() << "Authentification error!"; // FIXME
+ qWarning() << "Authentification error!"; // FIXME: send auth error to client
socket->close();
return;
} catch(Exception e) {
qWarning() << "Client init error:" << e.msg();
socket->close();
return;
- }
+ } */
}
- blockSizes[socket] = bsize = 0; // FIXME blockSizes aufräum0rn!
}
-// FIXME: no longer called, since connection handling is now in SignalProxy
+// Potentially called during the initialization phase (before handing the connection off to the session)
void Core::clientDisconnected() {
QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
- blockSizes.remove(socket);
- qDebug() << "Client disconnected.";
+ blocksizes.remove(socket);
+ clientInfo.remove(socket);
+ qDebug() << qPrintable(tr("Client %1 disconnected.").arg(socket->peerAddress().toString()));
+ socket->deleteLater();
+ socket = 0;
+
+ // make server listen again if still not configured FIXME
+ if (!configured) {
+ startListening();
+ }
+
// TODO remove unneeded sessions - if necessary/possible...
+ // Suggestion: kill sessions if they are not connected to any network and client.
}
-QVariant Core::connectLocalClient(QString user, QString passwd) {
- UserId uid = instance()->storage->validateUser(user, passwd);
- QVariant reply = instance()->initSession(uid);
- instance()->guiUser = uid;
- qDebug() << "Local client connected.";
- return reply;
+void Core::processCoreSetup(QTcpSocket *socket, QVariantMap &msg) {
+ if(msg["HasSettings"].toBool()) {
+ QVariantMap auth;
+ auth["User"] = msg["User"];
+ auth["Password"] = msg["Password"];
+ msg.remove("User");
+ msg.remove("Password");
+ qDebug() << "Initializing storage provider" << msg["Type"].toString();
+
+ if(!initStorage(msg, true)) {
+ // notify client to start wizard again
+ qWarning("Core is currently not configured!");
+ QVariantMap reply;
+ reply["StartWizard"] = true;
+ reply["StorageProviders"] = availableStorageProviders();
+ SignalProxy::writeDataToDevice(socket, reply);
+ } else {
+ // write coresettings
+ CoreSettings s;
+ s.setDatabaseSettings(msg);
+ // write admin user to database & make the core listen again to connections
+ storage->addUser(auth["User"].toString(), auth["Password"].toString());
+ startListening();
+ // continue the normal procedure
+ //processClientInit(socket, auth);
+ }
+ } else {
+ // notify client to start wizard
+ QVariantMap reply;
+ reply["StartWizard"] = true;
+ reply["StorageProviders"] = availableStorageProviders();
+ SignalProxy::writeDataToDevice(socket, reply);
+ }
}
-void Core::disconnectLocalClient() {
- qDebug() << "Local client disconnected.";
- instance()->guiUser = 0;
+void Core::setupClientSession(QTcpSocket *socket, UserId uid) {
+ // Find or create session for validated user
+ SessionThread *sess;
+ if(sessions.contains(uid)) sess = sessions[uid];
+ else sess = createSession(uid);
+ // Hand over socket, session then sends state itself
+ disconnect(socket, 0, this, 0);
+ if(!sess) {
+ qWarning() << qPrintable(tr("Could not initialize session for client %1!").arg(socket->peerAddress().toString()));
+ socket->close();
+ }
+ sess->addClient(socket);
}
-void Core::processClientInit(QTcpSocket *socket, const QVariant &v) {
- QVariantMap msg = v.toMap();
- if(msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
- //qWarning() << "Client version mismatch.";
- throw Exception("GUI client version mismatch");
+SessionThread *Core::createSession(UserId uid, bool restore) {
+ if(sessions.contains(uid)) {
+ qWarning() << "Calling createSession() when a session for the user already exists!";
+ return 0;
}
- // Auth
- UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed
- QVariant reply = initSession(uid);
- disconnect(socket, 0, this, 0);
- sessions[uid]->addClient(socket);
- writeDataToDevice(socket, reply);
+ SessionThread *sess = new SessionThread(uid, restore, this);
+ sessions[uid] = sess;
+ sess->start();
+ return sess;
}
-QVariant Core::initSession(UserId uid) {
- // Find or create session for validated user
- CoreSession *sess;
- if(sessions.contains(uid)) sess = sessions[uid];
- else {
- sess = createSession(uid);
+QStringList Core::availableStorageProviders() {
+ QStringList storageProviders;
+ if (SqliteStorage::isAvailable()) {
+ storageProviders.append(SqliteStorage::displayName());
}
- QVariantMap reply;
- reply["SessionState"] = sess->sessionState();
- return reply;
+ // TODO: temporary
+ // storageProviders.append("MySQL");
+
+ return storageProviders;
}
projects / quassel.git / blobdiff