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"] == "CoreSetupAck") {
  63       emit coreSetupSuccess();
  64     } else if(msg["MsgType"] == "CoreSetupReject") {
  65       emit coreSetupFailed(msg["Error"].toString());
  66     } else if(msg["MsgType"] == "ClientLoginReject") {
  67       emit loginFailed(msg["Error"].toString());
  68     } else if(msg["MsgType"] == "ClientLoginAck") {
  69       // prevent multiple signal connections
  70       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  71       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  72       emit loginSuccess();
  73     } else if(msg["MsgType"] == "SessionInit") {
  74       sessionStateReceived(msg["SessionState"].toMap());
  75     } else {
  76       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  77       disconnectFromCore();
  78       return;
  79     }
  80     /*
  81     if (!msg["StartWizard"].toBool()) {
  82     recvCoreState(msg["Reply"]);
  83   } else {
  84     qWarning("Core not configured!");
  85     qDebug() << "Available storage providers: " << msg["StorageProviders"].toStringList();
  86     emit showConfigWizard(msg);
  87   }
  88     blockSize = 0;
  89     return;
  90   }
  91     */
  92   }
  93   if(blockSize > 0) {
  94     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  95   }
  96 }
  97
  98 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  99   emit connectionError(socket->errorString());
 100   socket->deleteLater();
 101 }
 102
 103 void ClientSyncer::disconnectFromCore() {
 104   if(socket) socket->close();
 105 }
 106
 107 void ClientSyncer::connectToCore(const QVariantMap &conn) {
 108   // TODO implement SSL
 109   coreConnectionInfo = conn;
 110   //if(isConnected()) {
 111   //  emit coreConnectionError(tr("Already connected to Core!"));
 112   //  return;
 113   // }
 114   if(socket != 0) {
 115     socket->deleteLater();
 116     socket = 0;
 117   }
 118   if(conn["Host"].toString().isEmpty()) {
 119     emit connectionError(tr("Internal connections not yet supported."));
 120     return; // FIXME implement internal connections
 121     //clientMode = LocalCore;
 122     socket = new QBuffer(this);
 123     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 124     socket->open(QIODevice::ReadWrite);
 125     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 126     //syncToCore(state);
 127     coreSocketConnected();
 128   } else {
 129     //clientMode = RemoteCore;
 130     //emit coreConnectionMsg(tr("Connecting..."));
 131     Q_ASSERT(!socket);
 132     QTcpSocket *sock = new QTcpSocket(Client::instance());
 133     socket = sock;
 134     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 135     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 136     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 137     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 138     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 139     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 140   }
 141 }
 142
 143 void ClientSyncer::coreSocketConnected() {
 144   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 145   // Phase One: Send client info and wait for core info
 146
 147   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 148   QVariantMap clientInit;
 149   clientInit["MsgType"] = "ClientInit";
 150   clientInit["ClientVersion"] = Global::quasselVersion;
 151   clientInit["ClientDate"] = Global::quasselDate;
 152   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 153   clientInit["UseSsl"] = false;  // FIXME implement SSL
 154   SignalProxy::writeDataToDevice(socket, clientInit);
 155 }
 156
 157 void ClientSyncer::coreSocketDisconnected() {
 158   emit socketDisconnected();
 159   Client::instance()->disconnectFromCore();
 160
 161   // FIXME handle disconnects gracefully in here as well!
 162
 163   coreConnectionInfo.clear();
 164   netsToSync.clear();
 165   channelsToSync.clear();
 166   usersToSync.clear();
 167   blockSize = 0;
 168   //restartPhaseNull();
 169 }
 170
 171 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 172   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 173   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 174     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 175         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::quasselBuild));
 176     disconnectFromCore();
 177     return;
 178   }
 179   emit connectionMsg(msg["CoreInfo"].toString());
 180   if(!msg["Configured"].toBool()) {
 181     // start wizard
 182     emit startCoreSetup(msg["StorageBackends"].toList());
 183   } else if(msg["LoginEnabled"].toBool()) {
 184     emit startLogin();
 185   }
 186 }
 187
 188 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 189   QVariantMap setup;
 190   setup["MsgType"] = "CoreSetupData";
 191   setup["SetupData"] = setupData;
 192   SignalProxy::writeDataToDevice(socket, setup);
 193 }
 194
 195 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 196   emit connectionMsg(tr("Logging in..."));
 197   QVariantMap clientLogin;
 198   clientLogin["MsgType"] = "ClientLogin";
 199   clientLogin["User"] = user;
 200   clientLogin["Password"] = passwd;
 201   SignalProxy::writeDataToDevice(socket, clientLogin);
 202 }
 203
 204 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 205   emit sessionProgress(1, 1);
 206   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 207   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 208   //Client::signalProxy()->addPeer(socket);
 209   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 210   syncToCore(state);
 211 }
 212
 213 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 214
 215   // create identities
 216   foreach(QVariant vid, sessionState["Identities"].toList()) {
 217     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 218   }
 219
 220   // create buffers
 221   // FIXME: get rid of this crap
 222   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 223   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 224
 225   QVariantList networkids = sessionState["NetworkIds"].toList();
 226
 227   // prepare sync progress thingys... FIXME: Care about removal of networks
 228   numNetsToSync = networkids.count();
 229   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 230   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 231   emit networksProgress(0, numNetsToSync);
 232   emit channelsProgress(0, numChannelsToSync);
 233   emit ircUsersProgress(0, numUsersToSync);
 234
 235   // create network objects
 236   foreach(QVariant networkid, networkids) {
 237     NetworkId netid = networkid.value<NetworkId>();
 238     Network *net = new Network(netid, Client::instance());
 239     netsToSync.insert(net);
 240     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 241     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 242     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 243     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 244     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 245     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 246     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 247     Client::addNetwork(net);
 248   }
 249   checkSyncState();
 250 }
 251
 252 void ClientSyncer::networkInitDone() {
 253   netsToSync.remove(sender());
 254   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 255   checkSyncState();
 256 }
 257
 258 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 259   channelsToSync.remove(chan);
 260   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 261   checkSyncState();
 262 }
 263
 264 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 265   if(!chan->isInitialized()) {
 266     channelsToSync.insert(chan);
 267     numChannelsToSync++;
 268     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 269     checkSyncState();
 270   }
 271 }
 272
 273 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 274   if(channelsToSync.contains(chan)) {
 275     numChannelsToSync--;
 276     channelsToSync.remove(chan);
 277     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 278     checkSyncState();
 279   }
 280 }
 281
 282 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 283   usersToSync.remove(user);
 284   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 285   checkSyncState();
 286 }
 287
 288 void ClientSyncer::ircUserAdded(IrcUser *user) {
 289   if(!user->isInitialized()) {
 290     usersToSync.insert(user);
 291     numUsersToSync++;
 292     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 293     checkSyncState();
 294   }
 295 }
 296
 297 void ClientSyncer::ircUserRemoved(QObject *user) {
 298   if(usersToSync.contains(user)) {
 299     numUsersToSync--;
 300     usersToSync.remove(user);
 301     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 302     checkSyncState();
 303   }
 304 }
 305
 306 void ClientSyncer::checkSyncState() {
 307   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 308     // done syncing!
 309     /*
 310     qDebug() << "done";
 311     foreach(Network *net, _networks.values()) {
 312       //disconnect(net, 0, this, SLOT(networkInitDone()));
 313       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 314       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 315       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 316       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 317       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 318       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 319       qDebug() << "disconnecting";
 320       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 321       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 322       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 323       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 324       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 325       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 326       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 327     }
 328     */
 329
 330     Client::instance()->setSyncedToCore();
 331     emit syncFinished();
 332     //emit connected();
 333     //emit connectionStateChanged(true);
 334
 335   }
 336 }
 337