src/client/clientsyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   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.                                           *
   9  *                                                                         *
  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.                          *
  14  *                                                                         *
  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
  21 #include "clientsyncer.h"
  22
  23 #include "client.h"
  24 #include "global.h"
  25 #include "identity.h"
  26 #include "ircuser.h"
  27 #include "ircchannel.h"
  28 #include "network.h"
  29 #include "signalproxy.h"
  30
  31
  32 ClientSyncer::ClientSyncer(QObject *parent) : QObject(parent) {
  33   socket = 0;
  34   blockSize = 0;
  35
  36   connect(Client::signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
  37
  38 }
  39
  40 ClientSyncer::~ClientSyncer() {
  41
  42
  43 }
  44
  45 void ClientSyncer::coreHasData() {
  46   QVariant item;
  47   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  48     emit recvPartialItem(1,1);
  49     QVariantMap msg = item.toMap();
  50     if(!msg.contains("MsgType")) {
  51       // This core is way too old and does not even speak our init protocol...
  52       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  53       disconnectFromCore();
  54       return;
  55     }
  56     if(msg["MsgType"] == "ClientInitAck") {
  57       clientInitAck(msg);
  58     } else if(msg["MsgType"] == "ClientInitReject") {
  59       emit connectionError(msg["Error"].toString());
  60       disconnectFromCore();
  61       return;
  62     } else if(msg["MsgType"] == "ClientLoginReject") {
  63       emit loginFailed(msg["Error"].toString());
  64     } else if(msg["MsgType"] == "ClientLoginAck") {
  65       // prevent multiple signal connections
  66       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  67       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  68       emit loginSuccess();
  69     } else if(msg["MsgType"] == "SessionInit") {
  70       sessionStateReceived(msg["SessionState"].toMap());
  71     } else {
  72       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  73       disconnectFromCore();
  74       return;
  75     }
  76     /*
  77     if (!msg["StartWizard"].toBool()) {
  78     recvCoreState(msg["Reply"]);
  79   } else {
  80     qWarning("Core not configured!");
  81     qDebug() << "Available storage providers: " << msg["StorageProviders"].toStringList();
  82     emit showConfigWizard(msg);
  83   }
  84     blockSize = 0;
  85     return;
  86   }
  87     */
  88   }
  89   if(blockSize > 0) {
  90     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  91   }
  92 }
  93
  94 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  95   emit connectionError(socket->errorString());
  96   socket->deleteLater();
  97 }
  98
  99 void ClientSyncer::disconnectFromCore() {
 100   if(socket) socket->close();
 101 }
 102
 103 void ClientSyncer::connectToCore(const QVariantMap &conn) {
 104   // TODO implement SSL
 105   coreConnectionInfo = conn;
 106   //if(isConnected()) {
 107   //  emit coreConnectionError(tr("Already connected to Core!"));
 108   //  return;
 109   // }
 110
 111   if(socket != 0) {
 112     socket->deleteLater();
 113     socket = 0;
 114   }
 115   if(conn["Host"].toString().isEmpty()) {
 116     emit connectionError(tr("Internal connections not yet supported."));
 117     return; // FIXME implement internal connections
 118     //clientMode = LocalCore;
 119     socket = new QBuffer(this);
 120     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 121     socket->open(QIODevice::ReadWrite);
 122     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 123     //syncToCore(state);
 124     coreSocketConnected();
 125   } else {
 126     //clientMode = RemoteCore;
 127     //emit coreConnectionMsg(tr("Connecting..."));
 128     Q_ASSERT(!socket);
 129     QTcpSocket *sock = new QTcpSocket(Client::instance());
 130     socket = sock;
 131     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 132     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 133     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 134     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 135     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 136     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 137   }
 138 }
 139
 140 void ClientSyncer::coreSocketConnected() {
 141   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 142   // Phase One: Send client info and wait for core info
 143
 144   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 145   QVariantMap clientInit;
 146   clientInit["MsgType"] = "ClientInit";
 147   clientInit["ClientVersion"] = Global::quasselVersion;
 148   clientInit["ClientDate"] = Global::quasselDate;
 149   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 150   clientInit["UseSsl"] = false;  // FIXME implement SSL
 151   SignalProxy::writeDataToDevice(socket, clientInit);
 152 }
 153
 154 void ClientSyncer::coreSocketDisconnected() {
 155   emit socketDisconnected();
 156   Client::instance()->disconnectFromCore();
 157
 158   // FIXME handle disconnects gracefully in here as well!
 159
 160   coreConnectionInfo.clear();
 161   netsToSync.clear();
 162   channelsToSync.clear();
 163   usersToSync.clear();
 164   blockSize = 0;
 165   //restartPhaseNull();
 166 }
 167
 168 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 169   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 170   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 171     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 172         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::quasselBuild));
 173     disconnectFromCore();
 174     return;
 175   }
 176   emit connectionMsg(msg["CoreInfo"].toString());
 177   if(msg["LoginEnabled"].toBool()) {
 178     emit startLogin();
 179   }
 180 }
 181
 182 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 183   emit connectionMsg(tr("Logging in..."));
 184   QVariantMap clientLogin;
 185   clientLogin["MsgType"] = "ClientLogin";
 186   clientLogin["User"] = user;
 187   clientLogin["Password"] = passwd;
 188   SignalProxy::writeDataToDevice(socket, clientLogin);
 189 }
 190
 191 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 192   emit sessionProgress(1, 1);
 193   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 194   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 195   //Client::signalProxy()->addPeer(socket);
 196   Client::instance()->setConnectedToCore(socket);
 197   syncToCore(state);
 198 }
 199
 200 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 201
 202   // create identities
 203   foreach(QVariant vid, sessionState["Identities"].toList()) {
 204     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 205   }
 206
 207   // create buffers
 208   // FIXME: get rid of this crap
 209   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 210   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 211
 212   QVariantList networkids = sessionState["NetworkIds"].toList();
 213
 214   // prepare sync progress thingys... FIXME: Care about removal of networks
 215   numNetsToSync = networkids.count();
 216   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 217   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 218   emit networksProgress(0, numNetsToSync);
 219   emit channelsProgress(0, numChannelsToSync);
 220   emit ircUsersProgress(0, numUsersToSync);
 221
 222   // create network objects
 223   foreach(QVariant networkid, networkids) {
 224     NetworkId netid = networkid.value<NetworkId>();
 225     Network *net = new Network(netid, Client::instance());
 226     netsToSync.insert(net);
 227     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 228     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 229     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 230     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 231     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 232     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 233     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 234     Client::addNetwork(net);
 235   }
 236   checkSyncState();
 237 }
 238
 239 void ClientSyncer::networkInitDone() {
 240   netsToSync.remove(sender());
 241   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 242   checkSyncState();
 243 }
 244
 245 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 246   channelsToSync.remove(chan);
 247   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 248   checkSyncState();
 249 }
 250
 251 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 252   if(!chan->isInitialized()) {
 253     channelsToSync.insert(chan);
 254     numChannelsToSync++;
 255     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 256     checkSyncState();
 257   }
 258 }
 259
 260 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 261   if(channelsToSync.contains(chan)) {
 262     numChannelsToSync--;
 263     channelsToSync.remove(chan);
 264     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 265     checkSyncState();
 266   }
 267 }
 268
 269 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 270   usersToSync.remove(user);
 271   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 272   checkSyncState();
 273 }
 274
 275 void ClientSyncer::ircUserAdded(IrcUser *user) {
 276   if(!user->isInitialized()) {
 277     usersToSync.insert(user);
 278     numUsersToSync++;
 279     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 280     checkSyncState();
 281   }
 282 }
 283
 284 void ClientSyncer::ircUserRemoved(QObject *user) {
 285   if(usersToSync.contains(user)) {
 286     numUsersToSync--;
 287     usersToSync.remove(user);
 288     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 289     checkSyncState();
 290   }
 291 }
 292
 293 void ClientSyncer::checkSyncState() {
 294   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 295     // done syncing!
 296     /*
 297     qDebug() << "done";
 298     foreach(Network *net, _networks.values()) {
 299       //disconnect(net, 0, this, SLOT(networkInitDone()));
 300       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 301       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 302       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 303       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 304       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 305       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 306       qDebug() << "disconnecting";
 307       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 308       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 309       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 310       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 311       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 312       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 313       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 314     }
 315     */
 316
 317     Client::instance()->setSyncedToCore();
 318     emit syncFinished();
 319     //emit connected();
 320     //emit connectionStateChanged(true);
 321
 322   }
 323 }
 324