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  *                                                                         *
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  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 (_authHandler)
 215         return _authHandler->isLocal();
 216     if (_peer)
 217         return _peer->isLocal();
 218
 219     return false;
 220 }
 221
 222
 223 void CoreConnection::onConnectionReady()
 224 {
 225     setState(Connected);
 226 }
 227
 228
 229 void CoreConnection::setState(ConnectionState state)
 230 {
 231     if (state != _state) {
 232         _state = state;
 233         emit stateChanged(state);
 234         if (state == Disconnected)
 235             emit disconnected();
 236     }
 237 }
 238
 239
 240 void CoreConnection::coreSocketError(QAbstractSocket::SocketError error, const QString &errorString)
 241 {
 242     Q_UNUSED(error)
 243
 244     disconnectFromCore(errorString, true);
 245 }
 246
 247
 248 void CoreConnection::coreSocketDisconnected()
 249 {
 250     setState(Disconnected);
 251     _wasReconnect = false;
 252     resetConnection(_wantReconnect);
 253 }
 254
 255
 256 void CoreConnection::disconnectFromCore()
 257 {
 258     disconnectFromCore(QString(), false); // requested disconnect, so don't try to reconnect
 259 }
 260
 261
 262 void CoreConnection::disconnectFromCore(const QString &errorString, bool wantReconnect)
 263 {
 264     if (wantReconnect)
 265         _reconnectTimer.start();
 266     else
 267         _reconnectTimer.stop();
 268
 269     _wantReconnect = wantReconnect; // store if disconnect was requested
 270     _wasReconnect = false;
 271
 272     if (_authHandler)
 273         _authHandler->close();
 274     else if(_peer)
 275         _peer->close();
 276
 277     if (errorString.isEmpty())
 278         emit connectionError(tr("Disconnected"));
 279     else
 280         emit connectionError(errorString);
 281 }
 282
 283
 284 void CoreConnection::resetConnection(bool wantReconnect)
 285 {
 286     if (_resetting)
 287         return;
 288     _resetting = true;
 289
 290     _wantReconnect = wantReconnect;
 291
 292     if (_authHandler) {
 293         disconnect(_authHandler, 0, this, 0);
 294         _authHandler->close();
 295         _authHandler->deleteLater();
 296         _authHandler = 0;
 297     }
 298
 299     if (_peer) {
 300         disconnect(_peer, 0, this, 0);
 301         // peer belongs to the sigproxy and thus gets deleted by it
 302         _peer->close();
 303         _peer = 0;
 304     }
 305
 306     _netsToSync.clear();
 307     _numNetsToSync = 0;
 308
 309     setProgressMaximum(-1); // disable
 310     setState(Disconnected);
 311     emit lagUpdated(-1);
 312
 313     emit connectionMsg(tr("Disconnected from core."));
 314     emit encrypted(false);
 315     setState(Disconnected);
 316
 317     // initiate if a reconnect if appropriate
 318     CoreConnectionSettings s;
 319     if (wantReconnect && s.autoReconnect()) {
 320         _reconnectTimer.start();
 321     }
 322
 323     _resetting = false;
 324 }
 325
 326
 327 void CoreConnection::reconnectToCore()
 328 {
 329     if (currentAccount().isValid()) {
 330         _wasReconnect = true;
 331         connectToCore(currentAccount().accountId());
 332     }
 333 }
 334
 335
 336 bool CoreConnection::connectToCore(AccountId accId)
 337 {
 338     if (isConnected())
 339         return false;
 340
 341     CoreAccountSettings s;
 342
 343     // FIXME: Don't force connection to internal core in mono client
 344     if (Quassel::runMode() == Quassel::Monolithic) {
 345         _account = accountModel()->account(accountModel()->internalAccount());
 346         Q_ASSERT(_account.isValid());
 347     }
 348     else {
 349         if (!accId.isValid()) {
 350             // check our settings and figure out what to do
 351             if (!s.autoConnectOnStartup())
 352                 return false;
 353             if (s.autoConnectToFixedAccount())
 354                 accId = s.autoConnectAccount();
 355             else
 356                 accId = s.lastAccount();
 357             if (!accId.isValid())
 358                 return false;
 359         }
 360         _account = accountModel()->account(accId);
 361         if (!_account.accountId().isValid()) {
 362             return false;
 363         }
 364         if (Quassel::runMode() != Quassel::Monolithic) {
 365             if (_account.isInternal())
 366                 return false;
 367         }
 368     }
 369
 370     s.setLastAccount(accId);
 371     connectToCurrentAccount();
 372     return true;
 373 }
 374
 375
 376 void CoreConnection::connectToCurrentAccount()
 377 {
 378     if (_authHandler) {
 379         qWarning() << Q_FUNC_INFO << "Already connected!";
 380         return;
 381     }
 382
 383     if (currentAccount().isInternal()) {
 384         if (Quassel::runMode() != Quassel::Monolithic) {
 385             qWarning() << "Cannot connect to internal core in client-only mode!";
 386             return;
 387         }
 388         emit startInternalCore();
 389
 390         InternalPeer *peer = new InternalPeer();
 391         _peer = peer;
 392         Client::instance()->signalProxy()->addPeer(peer); // sigproxy will take ownership
 393         emit connectToInternalCore(peer);
 394         setState(Connected);
 395
 396         return;
 397     }
 398
 399     _authHandler = new ClientAuthHandler(currentAccount(), this);
 400
 401     connect(_authHandler, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 402     connect(_authHandler, SIGNAL(connectionReady()), SLOT(onConnectionReady()));
 403     connect(_authHandler, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 404     connect(_authHandler, SIGNAL(transferProgress(int,int)), SLOT(updateProgress(int,int)));
 405     connect(_authHandler, SIGNAL(requestDisconnect(QString,bool)), SLOT(disconnectFromCore(QString,bool)));
 406
 407     connect(_authHandler, SIGNAL(errorMessage(QString)), SIGNAL(connectionError(QString)));
 408     connect(_authHandler, SIGNAL(errorPopup(QString)), SIGNAL(connectionErrorPopup(QString)), Qt::QueuedConnection);
 409     connect(_authHandler, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 410     connect(_authHandler, SIGNAL(encrypted(bool)), SIGNAL(encrypted(bool)));
 411     connect(_authHandler, SIGNAL(startCoreSetup(QVariantList)), SIGNAL(startCoreSetup(QVariantList)));
 412     connect(_authHandler, SIGNAL(coreSetupFailed(QString)), SIGNAL(coreSetupFailed(QString)));
 413     connect(_authHandler, SIGNAL(coreSetupSuccessful()), SIGNAL(coreSetupSuccess()));
 414     connect(_authHandler, SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)), SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)));
 415     connect(_authHandler, SIGNAL(handleNoSslInClient(bool*)), SIGNAL(handleNoSslInClient(bool*)));
 416     connect(_authHandler, SIGNAL(handleNoSslInCore(bool*)), SIGNAL(handleNoSslInCore(bool*)));
 417 #ifdef HAVE_SSL
 418     connect(_authHandler, SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)), SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)));
 419 #endif
 420
 421     connect(_authHandler, SIGNAL(loginSuccessful(CoreAccount)), SLOT(onLoginSuccessful(CoreAccount)));
 422     connect(_authHandler, SIGNAL(handshakeComplete(RemotePeer*,Protocol::SessionState)), SLOT(onHandshakeComplete(RemotePeer*,Protocol::SessionState)));
 423
 424     setState(Connecting);
 425     _authHandler->connectToCore();
 426 }
 427
 428
 429 void CoreConnection::setupCore(const Protocol::SetupData &setupData)
 430 {
 431     _authHandler->setupCore(setupData);
 432 }
 433
 434
 435 void CoreConnection::loginToCore(const QString &user, const QString &password, bool remember)
 436 {
 437     _authHandler->login(user, password, remember);
 438 }
 439
 440
 441 void CoreConnection::onLoginSuccessful(const CoreAccount &account)
 442 {
 443     updateProgress(0, 0);
 444
 445     // save current account data
 446     accountModel()->createOrUpdateAccount(account);
 447     accountModel()->save();
 448
 449     _reconnectTimer.stop();
 450
 451     setProgressText(tr("Receiving session state"));
 452     setState(Synchronizing);
 453     emit connectionMsg(tr("Synchronizing to %1...").arg(account.accountName()));
 454 }
 455
 456
 457 void CoreConnection::onHandshakeComplete(RemotePeer *peer, const Protocol::SessionState &sessionState)
 458 {
 459     updateProgress(100, 100);
 460
 461     disconnect(_authHandler, 0, this, 0);
 462     _authHandler->deleteLater();
 463     _authHandler = 0;
 464
 465     _peer = peer;
 466     connect(peer, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 467     connect(peer, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 468     connect(peer, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 469
 470     Client::signalProxy()->addPeer(_peer);  // sigproxy takes ownership of the peer!
 471
 472     syncToCore(sessionState);
 473 }
 474
 475
 476 void CoreConnection::internalSessionStateReceived(const Protocol::SessionState &sessionState)
 477 {
 478     updateProgress(100, 100);
 479
 480     Client::setCoreFeatures(Quassel::features()); // mono connection...
 481
 482     setState(Synchronizing);
 483     syncToCore(sessionState);
 484 }
 485
 486
 487 void CoreConnection::syncToCore(const Protocol::SessionState &sessionState)
 488 {
 489     setProgressText(tr("Receiving network states"));
 490     updateProgress(0, 100);
 491
 492     // create identities
 493     foreach(const QVariant &vid, sessionState.identities) {
 494         Client::instance()->coreIdentityCreated(vid.value<Identity>());
 495     }
 496
 497     // create buffers
 498     // FIXME: get rid of this crap -- why?
 499     NetworkModel *networkModel = Client::networkModel();
 500     Q_ASSERT(networkModel);
 501     foreach(const QVariant &vinfo, sessionState.bufferInfos)
 502         networkModel->bufferUpdated(vinfo.value<BufferInfo>());  // create BufferItems
 503
 504     // prepare sync progress thingys...
 505     // FIXME: Care about removal of networks
 506     _numNetsToSync = sessionState.networkIds.count();
 507     updateProgress(0, _numNetsToSync);
 508
 509     // create network objects
 510     foreach(const QVariant &networkid, sessionState.networkIds) {
 511         NetworkId netid = networkid.value<NetworkId>();
 512         if (Client::network(netid))
 513             continue;
 514         Network *net = new Network(netid, Client::instance());
 515         _netsToSync.insert(net);
 516         connect(net, SIGNAL(initDone()), SLOT(networkInitDone()));
 517         connect(net, SIGNAL(destroyed()), SLOT(networkInitDone()));
 518         Client::addNetwork(net);
 519     }
 520     checkSyncState();
 521 }
 522
 523
 524 // this is also called for destroyed networks!
 525 void CoreConnection::networkInitDone()
 526 {
 527     QObject *net = sender();
 528     Q_ASSERT(net);
 529     disconnect(net, 0, this, 0);
 530     _netsToSync.remove(net);
 531     updateProgress(_numNetsToSync - _netsToSync.count(), _numNetsToSync);
 532     checkSyncState();
 533 }
 534
 535
 536 void CoreConnection::checkSyncState()
 537 {
 538     if (_netsToSync.isEmpty() && state() >= Synchronizing) {
 539         setState(Synchronized);
 540         setProgressText(tr("Synchronized to %1").arg(currentAccount().accountName()));
 541         setProgressMaximum(-1);
 542         emit synchronized();
 543     }
 544 }