src/client/coreconnection.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2014 by the Quassel Project                        *
   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  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "coreconnection.h"
  22
  23 #include "client.h"
  24 #include "clientauthhandler.h"
  25 #include "clientsettings.h"
  26 #include "coreaccountmodel.h"
  27 #include "identity.h"
  28 #include "internalpeer.h"
  29 #include "network.h"
  30 #include "networkmodel.h"
  31 #include "quassel.h"
  32 #include "signalproxy.h"
  33 #include "util.h"
  34
  35 #include "protocols/legacy/legacypeer.h"
  36
  37 CoreConnection::CoreConnection(QObject *parent)
  38     : QObject(parent),
  39     _authHandler(0),
  40     _state(Disconnected),
  41     _wantReconnect(false),
  42     _wasReconnect(false),
  43     _progressMinimum(0),
  44     _progressMaximum(-1),
  45     _progressValue(-1),
  46     _resetting(false)
  47 {
  48     qRegisterMetaType<ConnectionState>("CoreConnection::ConnectionState");
  49 }
  50
  51
  52 void CoreConnection::init()
  53 {
  54     Client::signalProxy()->setHeartBeatInterval(30);
  55     connect(Client::signalProxy(), SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
  56
  57     _reconnectTimer.setSingleShot(true);
  58     connect(&_reconnectTimer, SIGNAL(timeout()), SLOT(reconnectTimeout()));
  59
  60 #ifdef HAVE_KDE
  61     connect(Solid::Networking::notifier(), SIGNAL(statusChanged(Solid::Networking::Status)),
  62         SLOT(solidNetworkStatusChanged(Solid::Networking::Status)));
  63 #endif
  64
  65     CoreConnectionSettings s;
  66     s.initAndNotify("PingTimeoutInterval", this, SLOT(pingTimeoutIntervalChanged(QVariant)), 60);
  67     s.initAndNotify("ReconnectInterval", this, SLOT(reconnectIntervalChanged(QVariant)), 60);
  68     s.notify("NetworkDetectionMode", this, SLOT(networkDetectionModeChanged(QVariant)));
  69     networkDetectionModeChanged(s.networkDetectionMode());
  70 }
  71
  72
  73 CoreAccountModel *CoreConnection::accountModel() const
  74 {
  75     return Client::coreAccountModel();
  76 }
  77
  78
  79 void CoreConnection::setProgressText(const QString &text)
  80 {
  81     if (_progressText != text) {
  82         _progressText = text;
  83         emit progressTextChanged(text);
  84     }
  85 }
  86
  87
  88 void CoreConnection::setProgressValue(int value)
  89 {
  90     if (_progressValue != value) {
  91         _progressValue = value;
  92         emit progressValueChanged(value);
  93     }
  94 }
  95
  96
  97 void CoreConnection::setProgressMinimum(int minimum)
  98 {
  99     if (_progressMinimum != minimum) {
 100         _progressMinimum = minimum;
 101         emit progressRangeChanged(minimum, _progressMaximum);
 102     }
 103 }
 104
 105
 106 void CoreConnection::setProgressMaximum(int maximum)
 107 {
 108     if (_progressMaximum != maximum) {
 109         _progressMaximum = maximum;
 110         emit progressRangeChanged(_progressMinimum, maximum);
 111     }
 112 }
 113
 114
 115 void CoreConnection::updateProgress(int value, int max)
 116 {
 117     if (max != _progressMaximum) {
 118         _progressMaximum = max;
 119         emit progressRangeChanged(_progressMinimum, _progressMaximum);
 120     }
 121     setProgressValue(value);
 122 }
 123
 124
 125 void CoreConnection::reconnectTimeout()
 126 {
 127     if (!_peer) {
 128         CoreConnectionSettings s;
 129         if (_wantReconnect && s.autoReconnect()) {
 130 #ifdef HAVE_KDE
 131             // If using Solid, we don't want to reconnect if we're offline
 132             if (s.networkDetectionMode() == CoreConnectionSettings::UseSolid) {
 133                 if (Solid::Networking::status() != Solid::Networking::Connected
 134                     && Solid::Networking::status() != Solid::Networking::Unknown) {
 135                     return;
 136                 }
 137             }
 138 #endif /* HAVE_KDE */
 139
 140             reconnectToCore();
 141         }
 142     }
 143 }
 144
 145
 146 void CoreConnection::networkDetectionModeChanged(const QVariant &vmode)
 147 {
 148     CoreConnectionSettings s;
 149     CoreConnectionSettings::NetworkDetectionMode mode = (CoreConnectionSettings::NetworkDetectionMode)vmode.toInt();
 150     if (mode == CoreConnectionSettings::UsePingTimeout)
 151         Client::signalProxy()->setMaxHeartBeatCount(s.pingTimeoutInterval() / 30);
 152     else {
 153         Client::signalProxy()->setMaxHeartBeatCount(-1);
 154     }
 155 }
 156
 157
 158 void CoreConnection::pingTimeoutIntervalChanged(const QVariant &interval)
 159 {
 160     CoreConnectionSettings s;
 161     if (s.networkDetectionMode() == CoreConnectionSettings::UsePingTimeout)
 162         Client::signalProxy()->setMaxHeartBeatCount(interval.toInt() / 30);  // interval is 30 seconds
 163 }
 164
 165
 166 void CoreConnection::reconnectIntervalChanged(const QVariant &interval)
 167 {
 168     _reconnectTimer.setInterval(interval.toInt() * 1000);
 169 }
 170
 171
 172 #ifdef HAVE_KDE
 173
 174 void CoreConnection::solidNetworkStatusChanged(Solid::Networking::Status status)
 175 {
 176     CoreConnectionSettings s;
 177     if (s.networkDetectionMode() != CoreConnectionSettings::UseSolid)
 178         return;
 179
 180     switch (status) {
 181     case Solid::Networking::Unknown:
 182     case Solid::Networking::Connected:
 183         //qDebug() << "Solid: Network status changed to connected or unknown";
 184         if (state() == Disconnected) {
 185             if (_wantReconnect && s.autoReconnect()) {
 186                 reconnectToCore();
 187             }
 188         }
 189         break;
 190     case Solid::Networking::Disconnecting:
 191     case Solid::Networking::Unconnected:
 192         if (state() != Disconnected && !isLocalConnection())
 193             disconnectFromCore(tr("Network is down"), true);
 194         break;
 195     default:
 196         break;
 197     }
 198 }
 199
 200 #endif
 201
 202 bool CoreConnection::isEncrypted() const
 203 {
 204     return _peer && _peer->isSecure();
 205 }
 206
 207
 208 bool CoreConnection::isLocalConnection() const
 209 {
 210     if (!isConnected())
 211         return false;
 212     if (currentAccount().isInternal())
 213         return true;
 214     if (_peer->isLocal())
 215         return true;
 216
 217     return false;
 218 }
 219
 220
 221 void CoreConnection::onConnectionReady()
 222 {
 223     setState(Connected);
 224 }
 225
 226
 227 void CoreConnection::setState(ConnectionState state)
 228 {
 229     if (state != _state) {
 230         _state = state;
 231         emit stateChanged(state);
 232         if (state == Disconnected)
 233             emit disconnected();
 234     }
 235 }
 236
 237
 238 void CoreConnection::coreSocketError(QAbstractSocket::SocketError error, const QString &errorString)
 239 {
 240     Q_UNUSED(error)
 241
 242     disconnectFromCore(errorString, true);
 243 }
 244
 245
 246 void CoreConnection::coreSocketDisconnected()
 247 {
 248     setState(Disconnected);
 249     _wasReconnect = false;
 250     resetConnection(_wantReconnect);
 251 }
 252
 253
 254 void CoreConnection::disconnectFromCore()
 255 {
 256     disconnectFromCore(QString(), false); // requested disconnect, so don't try to reconnect
 257 }
 258
 259
 260 void CoreConnection::disconnectFromCore(const QString &errorString, bool wantReconnect)
 261 {
 262     if (wantReconnect)
 263         _reconnectTimer.start();
 264     else
 265         _reconnectTimer.stop();
 266
 267     _wantReconnect = wantReconnect; // store if disconnect was requested
 268     _wasReconnect = false;
 269
 270     if (_authHandler)
 271         _authHandler->close();
 272     else if(_peer)
 273         _peer->close();
 274
 275     if (errorString.isEmpty())
 276         emit connectionError(tr("Disconnected"));
 277     else
 278         emit connectionError(errorString);
 279 }
 280
 281
 282 void CoreConnection::resetConnection(bool wantReconnect)
 283 {
 284     if (_resetting)
 285         return;
 286     _resetting = true;
 287
 288     _wantReconnect = wantReconnect;
 289
 290     if (_authHandler) {
 291         disconnect(_authHandler, 0, this, 0);
 292         _authHandler->close();
 293         _authHandler->deleteLater();
 294         _authHandler = 0;
 295     }
 296
 297     if (_peer) {
 298         disconnect(_peer, 0, this, 0);
 299         // peer belongs to the sigproxy and thus gets deleted by it
 300         _peer->close();
 301         _peer = 0;
 302     }
 303
 304     _netsToSync.clear();
 305     _numNetsToSync = 0;
 306
 307     setProgressMaximum(-1); // disable
 308     setState(Disconnected);
 309     emit lagUpdated(-1);
 310
 311     emit connectionMsg(tr("Disconnected from core."));
 312     emit encrypted(false);
 313     setState(Disconnected);
 314
 315     // initiate if a reconnect if appropriate
 316     CoreConnectionSettings s;
 317     if (wantReconnect && s.autoReconnect()) {
 318         _reconnectTimer.start();
 319     }
 320
 321     _resetting = false;
 322 }
 323
 324
 325 void CoreConnection::reconnectToCore()
 326 {
 327     if (currentAccount().isValid()) {
 328         _wasReconnect = true;
 329         connectToCore(currentAccount().accountId());
 330     }
 331 }
 332
 333
 334 bool CoreConnection::connectToCore(AccountId accId)
 335 {
 336     if (isConnected())
 337         return false;
 338
 339     CoreAccountSettings s;
 340
 341     // FIXME: Don't force connection to internal core in mono client
 342     if (Quassel::runMode() == Quassel::Monolithic) {
 343         _account = accountModel()->account(accountModel()->internalAccount());
 344         Q_ASSERT(_account.isValid());
 345     }
 346     else {
 347         if (!accId.isValid()) {
 348             // check our settings and figure out what to do
 349             if (!s.autoConnectOnStartup())
 350                 return false;
 351             if (s.autoConnectToFixedAccount())
 352                 accId = s.autoConnectAccount();
 353             else
 354                 accId = s.lastAccount();
 355             if (!accId.isValid())
 356                 return false;
 357         }
 358         _account = accountModel()->account(accId);
 359         if (!_account.accountId().isValid()) {
 360             return false;
 361         }
 362         if (Quassel::runMode() != Quassel::Monolithic) {
 363             if (_account.isInternal())
 364                 return false;
 365         }
 366     }
 367
 368     s.setLastAccount(accId);
 369     connectToCurrentAccount();
 370     return true;
 371 }
 372
 373
 374 void CoreConnection::connectToCurrentAccount()
 375 {
 376     if (_authHandler) {
 377         qWarning() << Q_FUNC_INFO << "Already connected!";
 378         return;
 379     }
 380
 381     if (currentAccount().isInternal()) {
 382         if (Quassel::runMode() != Quassel::Monolithic) {
 383             qWarning() << "Cannot connect to internal core in client-only mode!";
 384             return;
 385         }
 386         emit startInternalCore();
 387
 388         InternalPeer *peer = new InternalPeer();
 389         _peer = peer;
 390         Client::instance()->signalProxy()->addPeer(peer); // sigproxy will take ownership
 391         emit connectToInternalCore(peer);
 392         setState(Connected);
 393
 394         return;
 395     }
 396
 397     _authHandler = new ClientAuthHandler(currentAccount(), this);
 398
 399     connect(_authHandler, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 400     connect(_authHandler, SIGNAL(connectionReady()), SLOT(onConnectionReady()));
 401     connect(_authHandler, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 402     connect(_authHandler, SIGNAL(transferProgress(int,int)), SLOT(updateProgress(int,int)));
 403     connect(_authHandler, SIGNAL(requestDisconnect(QString,bool)), SLOT(disconnectFromCore(QString,bool)));
 404
 405     connect(_authHandler, SIGNAL(errorMessage(QString)), SIGNAL(connectionError(QString)));
 406     connect(_authHandler, SIGNAL(errorPopup(QString)), SIGNAL(connectionErrorPopup(QString)), Qt::QueuedConnection);
 407     connect(_authHandler, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 408     connect(_authHandler, SIGNAL(encrypted(bool)), SIGNAL(encrypted(bool)));
 409     connect(_authHandler, SIGNAL(startCoreSetup(QVariantList)), SIGNAL(startCoreSetup(QVariantList)));
 410     connect(_authHandler, SIGNAL(coreSetupFailed(QString)), SIGNAL(coreSetupFailed(QString)));
 411     connect(_authHandler, SIGNAL(coreSetupSuccessful()), SIGNAL(coreSetupSuccess()));
 412     connect(_authHandler, SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)), SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)));
 413     connect(_authHandler, SIGNAL(handleNoSslInClient(bool*)), SIGNAL(handleNoSslInClient(bool*)));
 414     connect(_authHandler, SIGNAL(handleNoSslInCore(bool*)), SIGNAL(handleNoSslInCore(bool*)));
 415 #ifdef HAVE_SSL
 416     connect(_authHandler, SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)), SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)));
 417 #endif
 418
 419     connect(_authHandler, SIGNAL(loginSuccessful(CoreAccount)), SLOT(onLoginSuccessful(CoreAccount)));
 420     connect(_authHandler, SIGNAL(handshakeComplete(RemotePeer*,Protocol::SessionState)), SLOT(onHandshakeComplete(RemotePeer*,Protocol::SessionState)));
 421
 422     setState(Connecting);
 423     _authHandler->connectToCore();
 424 }
 425
 426
 427 void CoreConnection::setupCore(const Protocol::SetupData &setupData)
 428 {
 429     _authHandler->setupCore(setupData);
 430 }
 431
 432
 433 void CoreConnection::loginToCore(const QString &user, const QString &password, bool remember)
 434 {
 435     _authHandler->login(user, password, remember);
 436 }
 437
 438
 439 void CoreConnection::onLoginSuccessful(const CoreAccount &account)
 440 {
 441     updateProgress(0, 0);
 442
 443     // save current account data
 444     accountModel()->createOrUpdateAccount(account);
 445     accountModel()->save();
 446
 447     _reconnectTimer.stop();
 448
 449     setProgressText(tr("Receiving session state"));
 450     setState(Synchronizing);
 451     emit connectionMsg(tr("Synchronizing to %1...").arg(account.accountName()));
 452 }
 453
 454
 455 void CoreConnection::onHandshakeComplete(RemotePeer *peer, const Protocol::SessionState &sessionState)
 456 {
 457     updateProgress(100, 100);
 458
 459     disconnect(_authHandler, 0, this, 0);
 460     _authHandler->deleteLater();
 461     _authHandler = 0;
 462
 463     _peer = peer;
 464     connect(peer, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 465     connect(peer, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 466     connect(peer, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 467
 468     Client::signalProxy()->addPeer(_peer);  // sigproxy takes ownership of the peer!
 469
 470     syncToCore(sessionState);
 471 }
 472
 473
 474 void CoreConnection::internalSessionStateReceived(const Protocol::SessionState &sessionState)
 475 {
 476     updateProgress(100, 100);
 477
 478     Client::setCoreFeatures(Quassel::features()); // mono connection...
 479
 480     setState(Synchronizing);
 481     syncToCore(sessionState);
 482 }
 483
 484
 485 void CoreConnection::syncToCore(const Protocol::SessionState &sessionState)
 486 {
 487     setProgressText(tr("Receiving network states"));
 488     updateProgress(0, 100);
 489
 490     // create identities
 491     foreach(const QVariant &vid, sessionState.identities) {
 492         Client::instance()->coreIdentityCreated(vid.value<Identity>());
 493     }
 494
 495     // create buffers
 496     // FIXME: get rid of this crap -- why?
 497     NetworkModel *networkModel = Client::networkModel();
 498     Q_ASSERT(networkModel);
 499     foreach(const QVariant &vinfo, sessionState.bufferInfos)
 500         networkModel->bufferUpdated(vinfo.value<BufferInfo>());  // create BufferItems
 501
 502     // prepare sync progress thingys...
 503     // FIXME: Care about removal of networks
 504     _numNetsToSync = sessionState.networkIds.count();
 505     updateProgress(0, _numNetsToSync);
 506
 507     // create network objects
 508     foreach(const QVariant &networkid, sessionState.networkIds) {
 509         NetworkId netid = networkid.value<NetworkId>();
 510         if (Client::network(netid))
 511             continue;
 512         Network *net = new Network(netid, Client::instance());
 513         _netsToSync.insert(net);
 514         connect(net, SIGNAL(initDone()), SLOT(networkInitDone()));
 515         connect(net, SIGNAL(destroyed()), SLOT(networkInitDone()));
 516         Client::addNetwork(net);
 517     }
 518     checkSyncState();
 519 }
 520
 521
 522 // this is also called for destroyed networks!
 523 void CoreConnection::networkInitDone()
 524 {
 525     QObject *net = sender();
 526     Q_ASSERT(net);
 527     disconnect(net, 0, this, 0);
 528     _netsToSync.remove(net);
 529     updateProgress(_numNetsToSync - _netsToSync.count(), _numNetsToSync);
 530     checkSyncState();
 531 }
 532
 533
 534 void CoreConnection::checkSyncState()
 535 {
 536     if (_netsToSync.isEmpty() && state() >= Synchronizing) {
 537         setState(Synchronized);
 538         setProgressText(tr("Synchronized to %1").arg(currentAccount().accountName()));
 539         setProgressMaximum(-1);
 540         emit synchronized();
 541     }
 542 }