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
  46 void ClientSyncer::coreHasData() {
  47   QVariant item;
  48   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  49     emit recvPartialItem(1,1);
  50     QVariantMap msg = item.toMap();
  51     if(!msg.contains("MsgType")) {
  52       // This core is way too old and does not even speak our init protocol...
  53       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  54       disconnectFromCore();
  55       return;
  56     }
  57     if(msg["MsgType"] == "ClientInitAck") {
  58       clientInitAck(msg);
  59     } else if(msg["MsgType"] == "ClientInitReject") {
  60       emit connectionError(msg["Error"].toString());
  61       disconnectFromCore();
  62       return;
  63     } else if(msg["MsgType"] == "ClientLoginReject") {
  64       emit loginFailed(msg["Error"].toString());
  65     } else if(msg["MsgType"] == "ClientLoginAck") {
  66       // prevent multiple signal connections
  67       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  68       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  69       emit loginSuccess();
  70     } else if(msg["MsgType"] == "SessionInit") {
  71       sessionStateReceived(msg["SessionState"].toMap());
  72     } else {
  73       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  74       disconnectFromCore();
  75       return;
  76     }
  77     /*
  78     if (!msg["StartWizard"].toBool()) {
  79     recvCoreState(msg["Reply"]);
  80   } else {
  81     qWarning("Core not configured!");
  82     qDebug() << "Available storage providers: " << msg["StorageProviders"].toStringList();
  83     emit showConfigWizard(msg);
  84   }
  85     blockSize = 0;
  86     return;
  87   }
  88     */
  89   }
  90   if(blockSize > 0) {
  91     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  92   }
  93 }
  94
  95 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  96   emit connectionError(socket->errorString());
  97   socket->deleteLater();
  98 }
  99
 100 void ClientSyncer::disconnectFromCore() {
 101   if(socket) socket->close();
 102 }
 103
 104 void ClientSyncer::connectToCore(const QVariantMap &conn) {
 105   // TODO implement SSL
 106   coreConnectionInfo = conn;
 107   //if(isConnected()) {
 108   //  emit coreConnectionError(tr("Already connected to Core!"));
 109   //  return;
 110   // }
 111
 112   if(socket != 0) {
 113     socket->deleteLater();
 114     socket = 0;
 115   }
 116   if(conn["Host"].toString().isEmpty()) {
 117     emit connectionError(tr("Internal connections not yet supported."));
 118     return; // FIXME implement internal connections
 119     //clientMode = LocalCore;
 120     socket = new QBuffer(this);
 121     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 122     socket->open(QIODevice::ReadWrite);
 123     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 124     //syncToCore(state);
 125     coreSocketConnected();
 126   } else {
 127     //clientMode = RemoteCore;
 128     //emit coreConnectionMsg(tr("Connecting..."));
 129     Q_ASSERT(!socket);
 130     QTcpSocket *sock = new QTcpSocket(Client::instance());
 131     socket = sock;
 132     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 133     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 134     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 135     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 136     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 137     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 138   }
 139 }
 140
 141 void ClientSyncer::coreSocketConnected() {
 142   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 143   // Phase One: Send client info and wait for core info
 144
 145   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 146   QVariantMap clientInit;
 147   clientInit["MsgType"] = "ClientInit";
 148   clientInit["ClientVersion"] = Global::quasselVersion;
 149   clientInit["ClientDate"] = Global::quasselDate;
 150   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 151   clientInit["UseSsl"] = false;  // FIXME implement SSL
 152   SignalProxy::writeDataToDevice(socket, clientInit);
 153 }
 154
 155 void ClientSyncer::coreSocketDisconnected() {
 156   emit socketDisconnected();
 157   Client::instance()->disconnectFromCore();
 158
 159   // FIXME handle disconnects gracefully in here as well!
 160
 161   coreConnectionInfo.clear();
 162   netsToSync.clear();
 163   channelsToSync.clear();
 164   usersToSync.clear();
 165   blockSize = 0;
 166   //restartPhaseNull();
 167 }
 168
 169 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 170   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 171   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 172     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 173         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::quasselBuild));
 174     disconnectFromCore();
 175     return;
 176   }
 177   emit connectionMsg(msg["CoreInfo"].toString());
 178   if(msg["LoginEnabled"].toBool()) {
 179     emit startLogin();
 180   }
 181 }
 182
 183 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 184   emit connectionMsg(tr("Logging in..."));
 185   QVariantMap clientLogin;
 186   clientLogin["MsgType"] = "ClientLogin";
 187   clientLogin["User"] = user;
 188   clientLogin["Password"] = passwd;
 189   SignalProxy::writeDataToDevice(socket, clientLogin);
 190 }
 191
 192 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 193   emit sessionProgress(1, 1);
 194   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 195   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 196   //Client::signalProxy()->addPeer(socket);
 197   Client::instance()->setConnectedToCore(socket);
 198   syncToCore(state);
 199 }
 200
 201 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 202
 203   // store sessionData
 204   QVariantMap sessData = sessionState["SessionData"].toMap();
 205   foreach(QString key, sessData.keys()) Client::instance()->recvSessionData(key, sessData[key]);
 206
 207   // create identities
 208   foreach(QVariant vid, sessionState["Identities"].toList()) {
 209     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 210   }
 211
 212   // create buffers
 213   // FIXME: get rid of this crap
 214   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 215   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 216
 217   QVariantList networkids = sessionState["NetworkIds"].toList();
 218
 219   // prepare sync progress thingys... FIXME: Care about removal of networks
 220   numNetsToSync = networkids.count();
 221   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 222   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 223   emit networksProgress(0, numNetsToSync);
 224   emit channelsProgress(0, numChannelsToSync);
 225   emit ircUsersProgress(0, numUsersToSync);
 226
 227   // create network objects
 228   foreach(QVariant networkid, networkids) {
 229     NetworkId netid = networkid.value<NetworkId>();
 230     Network *net = new Network(netid, Client::instance());
 231     netsToSync.insert(net);
 232     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 233     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 234     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 235     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 236     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 237     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 238     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 239     Client::addNetwork(net);
 240   }
 241   checkSyncState();
 242 }
 243
 244 void ClientSyncer::networkInitDone() {
 245   netsToSync.remove(sender());
 246   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 247   checkSyncState();
 248 }
 249
 250 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 251   channelsToSync.remove(chan);
 252   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 253   checkSyncState();
 254 }
 255
 256 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 257   if(!chan->isInitialized()) {
 258     channelsToSync.insert(chan);
 259     numChannelsToSync++;
 260     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 261     checkSyncState();
 262   }
 263 }
 264
 265 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 266   if(channelsToSync.contains(chan)) {
 267     numChannelsToSync--;
 268     channelsToSync.remove(chan);
 269     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 270     checkSyncState();
 271   }
 272 }
 273
 274 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 275   usersToSync.remove(user);
 276   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 277   checkSyncState();
 278 }
 279
 280 void ClientSyncer::ircUserAdded(IrcUser *user) {
 281   if(!user->isInitialized()) {
 282     usersToSync.insert(user);
 283     numUsersToSync++;
 284     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 285     checkSyncState();
 286   }
 287 }
 288
 289 void ClientSyncer::ircUserRemoved(QObject *user) {
 290   if(usersToSync.contains(user)) {
 291     numUsersToSync--;
 292     usersToSync.remove(user);
 293     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 294     checkSyncState();
 295   }
 296 }
 297
 298 void ClientSyncer::checkSyncState() {
 299   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 300     // done syncing!
 301     /*
 302     qDebug() << "done";
 303     foreach(Network *net, _networks.values()) {
 304       //disconnect(net, 0, this, SLOT(networkInitDone()));
 305       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 306       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 307       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 308       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 309       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 310       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 311       qDebug() << "disconnecting";
 312       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 313       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 314       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 315       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 316       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 317       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 318       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 319     }
 320     */
 321
 322     Client::instance()->setSyncedToCore();
 323     emit syncFinished();
 324     //emit connected();
 325     //emit connectionStateChanged(true);
 326
 327   }
 328 }
 329