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 <QNetworkProxy>
  24
  25 #include "client.h"
  26 #include "global.h"
  27 #include "identity.h"
  28 #include "ircuser.h"
  29 #include "ircchannel.h"
  30 #include "network.h"
  31 #include "signalproxy.h"
  32
  33
  34 ClientSyncer::ClientSyncer(QObject *parent) : QObject(parent) {
  35   socket = 0;
  36   blockSize = 0;
  37
  38   connect(Client::signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
  39
  40 }
  41
  42 ClientSyncer::~ClientSyncer() {
  43
  44
  45 }
  46
  47 void ClientSyncer::coreHasData() {
  48   QVariant item;
  49   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  50     emit recvPartialItem(1,1);
  51     QVariantMap msg = item.toMap();
  52     if(!msg.contains("MsgType")) {
  53       // This core is way too old and does not even speak our init protocol...
  54       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  55       disconnectFromCore();
  56       return;
  57     }
  58     if(msg["MsgType"] == "ClientInitAck") {
  59       clientInitAck(msg);
  60     } else if(msg["MsgType"] == "ClientInitReject") {
  61       emit connectionError(msg["Error"].toString());
  62       disconnectFromCore();
  63       return;
  64     } else if(msg["MsgType"] == "CoreSetupAck") {
  65       emit coreSetupSuccess();
  66     } else if(msg["MsgType"] == "CoreSetupReject") {
  67       emit coreSetupFailed(msg["Error"].toString());
  68     } else if(msg["MsgType"] == "ClientLoginReject") {
  69       emit loginFailed(msg["Error"].toString());
  70     } else if(msg["MsgType"] == "ClientLoginAck") {
  71       // prevent multiple signal connections
  72       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  73       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  74       emit loginSuccess();
  75     } else if(msg["MsgType"] == "SessionInit") {
  76       sessionStateReceived(msg["SessionState"].toMap());
  77       break; // this is definitively the last message we process here!
  78     } else {
  79       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  80       disconnectFromCore();
  81       return;
  82     }
  83   }
  84   if(blockSize > 0) {
  85     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  86   }
  87 }
  88
  89 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  90   emit connectionError(socket->errorString());
  91   socket->deleteLater();
  92 }
  93
  94 void ClientSyncer::disconnectFromCore() {
  95   if(socket) socket->close();
  96 }
  97
  98 void ClientSyncer::connectToCore(const QVariantMap &conn) {
  99   // TODO implement SSL
 100   coreConnectionInfo = conn;
 101   //if(isConnected()) {
 102   //  emit coreConnectionError(tr("Already connected to Core!"));
 103   //  return;
 104   // }
 105   if(socket != 0) {
 106     socket->deleteLater();
 107     socket = 0;
 108   }
 109   if(conn["Host"].toString().isEmpty()) {
 110     emit connectionError(tr("Internal connections not yet supported."));
 111     return; // FIXME implement internal connections
 112     //clientMode = LocalCore;
 113     socket = new QBuffer(this);
 114     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 115     socket->open(QIODevice::ReadWrite);
 116     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 117     //syncToCore(state);
 118     coreSocketConnected();
 119   } else {
 120     //clientMode = RemoteCore;
 121     //emit coreConnectionMsg(tr("Connecting..."));
 122     Q_ASSERT(!socket);
 123     QTcpSocket *sock = new QTcpSocket(Client::instance());
 124     if(conn.contains("useProxy") && conn["useProxy"].toBool()) {
 125       QNetworkProxy proxy((QNetworkProxy::ProxyType)conn["proxyType"].toInt(), conn["proxyHost"].toString(), conn["proxyPort"].toUInt(), conn["proxyUser"].toString(), conn["proxyPassword"].toString());
 126       sock->setProxy(proxy);
 127     }
 128     socket = sock;
 129     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 130     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 131     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 132     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 133     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 134     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 135   }
 136 }
 137
 138 void ClientSyncer::coreSocketConnected() {
 139   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 140   // Phase One: Send client info and wait for core info
 141
 142   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 143   QVariantMap clientInit;
 144   clientInit["MsgType"] = "ClientInit";
 145   clientInit["ClientVersion"] = Global::quasselVersion;
 146   clientInit["ClientDate"] = Global::quasselDate;
 147   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 148   clientInit["UseSsl"] = false;  // FIXME implement SSL
 149   SignalProxy::writeDataToDevice(socket, clientInit);
 150 }
 151
 152 void ClientSyncer::coreSocketDisconnected() {
 153   emit socketDisconnected();
 154   Client::instance()->disconnectFromCore();
 155
 156   // FIXME handle disconnects gracefully in here as well!
 157
 158   coreConnectionInfo.clear();
 159   netsToSync.clear();
 160   channelsToSync.clear();
 161   usersToSync.clear();
 162   blockSize = 0;
 163   //restartPhaseNull();
 164 }
 165
 166 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 167   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 168   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 169     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 170         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::coreBuildNeeded));
 171     disconnectFromCore();
 172     return;
 173   }
 174   emit connectionMsg(msg["CoreInfo"].toString());
 175   if(!msg["Configured"].toBool()) {
 176     // start wizard
 177     emit startCoreSetup(msg["StorageBackends"].toList());
 178   } else if(msg["LoginEnabled"].toBool()) {
 179     emit startLogin();
 180   }
 181 }
 182
 183 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 184   QVariantMap setup;
 185   setup["MsgType"] = "CoreSetupData";
 186   setup["SetupData"] = setupData;
 187   SignalProxy::writeDataToDevice(socket, setup);
 188 }
 189
 190 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 191   emit connectionMsg(tr("Logging in..."));
 192   QVariantMap clientLogin;
 193   clientLogin["MsgType"] = "ClientLogin";
 194   clientLogin["User"] = user;
 195   clientLogin["Password"] = passwd;
 196   SignalProxy::writeDataToDevice(socket, clientLogin);
 197 }
 198
 199 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 200   emit sessionProgress(1, 1);
 201   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 202   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 203   //Client::signalProxy()->addPeer(socket);
 204   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 205   syncToCore(state);
 206 }
 207
 208 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 209
 210   // create identities
 211   foreach(QVariant vid, sessionState["Identities"].toList()) {
 212     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 213   }
 214
 215   // create buffers
 216   // FIXME: get rid of this crap
 217   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 218   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 219
 220   QVariantList networkids = sessionState["NetworkIds"].toList();
 221
 222   // prepare sync progress thingys... FIXME: Care about removal of networks
 223   numNetsToSync = networkids.count();
 224   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 225   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 226   emit networksProgress(0, numNetsToSync);
 227   emit channelsProgress(0, numChannelsToSync);
 228   emit ircUsersProgress(0, numUsersToSync);
 229
 230   // create network objects
 231   foreach(QVariant networkid, networkids) {
 232     NetworkId netid = networkid.value<NetworkId>();
 233     Network *net = new Network(netid, Client::instance());
 234     netsToSync.insert(net);
 235     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 236     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 237     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 238     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 239     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 240     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 241     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 242     Client::addNetwork(net);
 243   }
 244   checkSyncState();
 245 }
 246
 247 void ClientSyncer::networkInitDone() {
 248   netsToSync.remove(sender());
 249   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 250   checkSyncState();
 251 }
 252
 253 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 254   channelsToSync.remove(chan);
 255   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 256   checkSyncState();
 257 }
 258
 259 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 260   if(!chan->isInitialized()) {
 261     channelsToSync.insert(chan);
 262     numChannelsToSync++;
 263     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 264     checkSyncState();
 265   }
 266 }
 267
 268 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 269   if(channelsToSync.contains(chan)) {
 270     numChannelsToSync--;
 271     channelsToSync.remove(chan);
 272     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 273     checkSyncState();
 274   }
 275 }
 276
 277 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 278   usersToSync.remove(user);
 279   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 280   checkSyncState();
 281 }
 282
 283 void ClientSyncer::ircUserAdded(IrcUser *user) {
 284   if(!user->isInitialized()) {
 285     usersToSync.insert(user);
 286     numUsersToSync++;
 287     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 288     checkSyncState();
 289   }
 290 }
 291
 292 void ClientSyncer::ircUserRemoved(QObject *user) {
 293   if(usersToSync.contains(user)) {
 294     numUsersToSync--;
 295     usersToSync.remove(user);
 296     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 297     checkSyncState();
 298   }
 299 }
 300
 301 void ClientSyncer::checkSyncState() {
 302   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 303     // done syncing!
 304     /*
 305     qDebug() << "done";
 306     foreach(Network *net, _networks.values()) {
 307       //disconnect(net, 0, this, SLOT(networkInitDone()));
 308       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 309       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 310       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 311       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 312       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 313       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 314       qDebug() << "disconnecting";
 315       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 316       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 317       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 318       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 319       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 320       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 321       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 322     }
 323     */
 324
 325     Client::instance()->setSyncedToCore();
 326     emit syncFinished();
 327     //emit connected();
 328     //emit connectionStateChanged(true);
 329
 330   }
 331 }
 332