src/client/coreconnection.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2015 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     _qNetworkConfigurationManager = new QNetworkConfigurationManager(this);
  61     connect(_qNetworkConfigurationManager, SIGNAL(onlineStateChanged(bool)), SLOT(onlineStateChanged(bool)));
  62
  63     CoreConnectionSettings s;
  64     s.initAndNotify("PingTimeoutInterval", this, SLOT(pingTimeoutIntervalChanged(QVariant)), 60);
  65     s.initAndNotify("ReconnectInterval", this, SLOT(reconnectIntervalChanged(QVariant)), 60);
  66     s.notify("NetworkDetectionMode", this, SLOT(networkDetectionModeChanged(QVariant)));
  67     networkDetectionModeChanged(s.networkDetectionMode());
  68 }
  69
  70
  71 CoreAccountModel *CoreConnection::accountModel() const
  72 {
  73     return Client::coreAccountModel();
  74 }
  75
  76
  77 void CoreConnection::setProgressText(const QString &text)
  78 {
  79     if (_progressText != text) {
  80         _progressText = text;
  81         emit progressTextChanged(text);
  82     }
  83 }
  84
  85
  86 void CoreConnection::setProgressValue(int value)
  87 {
  88     if (_progressValue != value) {
  89         _progressValue = value;
  90         emit progressValueChanged(value);
  91     }
  92 }
  93
  94
  95 void CoreConnection::setProgressMinimum(int minimum)
  96 {
  97     if (_progressMinimum != minimum) {
  98         _progressMinimum = minimum;
  99         emit progressRangeChanged(minimum, _progressMaximum);
 100     }
 101 }
 102
 103
 104 void CoreConnection::setProgressMaximum(int maximum)
 105 {
 106     if (_progressMaximum != maximum) {
 107         _progressMaximum = maximum;
 108         emit progressRangeChanged(_progressMinimum, maximum);
 109     }
 110 }
 111
 112
 113 void CoreConnection::updateProgress(int value, int max)
 114 {
 115     if (max != _progressMaximum) {
 116         _progressMaximum = max;
 117         emit progressRangeChanged(_progressMinimum, _progressMaximum);
 118     }
 119     setProgressValue(value);
 120 }
 121
 122
 123 void CoreConnection::reconnectTimeout()
 124 {
 125     if (!_peer) {
 126         CoreConnectionSettings s;
 127         if (_wantReconnect && s.autoReconnect()) {
 128             // If using QNetworkConfigurationManager, we don't want to reconnect if we're offline
 129             if (s.networkDetectionMode() == CoreConnectionSettings::UseQNetworkConfigurationManager) {
 130                if (!_qNetworkConfigurationManager->isOnline()) {
 131                     return;
 132                }
 133             }
 134             reconnectToCore();
 135         }
 136     }
 137 }
 138
 139
 140 void CoreConnection::networkDetectionModeChanged(const QVariant &vmode)
 141 {
 142     CoreConnectionSettings s;
 143     CoreConnectionSettings::NetworkDetectionMode mode = (CoreConnectionSettings::NetworkDetectionMode)vmode.toInt();
 144     if (mode == CoreConnectionSettings::UsePingTimeout)
 145         Client::signalProxy()->setMaxHeartBeatCount(s.pingTimeoutInterval() / 30);
 146     else {
 147         Client::signalProxy()->setMaxHeartBeatCount(-1);
 148     }
 149 }
 150
 151
 152 void CoreConnection::pingTimeoutIntervalChanged(const QVariant &interval)
 153 {
 154     CoreConnectionSettings s;
 155     if (s.networkDetectionMode() == CoreConnectionSettings::UsePingTimeout)
 156         Client::signalProxy()->setMaxHeartBeatCount(interval.toInt() / 30);  // interval is 30 seconds
 157 }
 158
 159
 160 void CoreConnection::reconnectIntervalChanged(const QVariant &interval)
 161 {
 162     _reconnectTimer.setInterval(interval.toInt() * 1000);
 163 }
 164
 165
 166 void CoreConnection::onlineStateChanged(bool isOnline)
 167 {
 168     CoreConnectionSettings s;
 169     if (s.networkDetectionMode() != CoreConnectionSettings::UseQNetworkConfigurationManager)
 170         return;
 171
 172     if(isOnline) {
 173         // qDebug() << "QNetworkConfigurationManager reports Online";
 174         if (state() == Disconnected) {
 175             if (_wantReconnect && s.autoReconnect()) {
 176                 reconnectToCore();
 177             }
 178         }
 179     } else {
 180         // qDebug() << "QNetworkConfigurationManager reports Offline";
 181         if (state() != Disconnected && !isLocalConnection())
 182             disconnectFromCore(tr("Network is down"), true);
 183     }
 184 }
 185
 186
 187 bool CoreConnection::isEncrypted() const
 188 {
 189     return _peer && _peer->isSecure();
 190 }
 191
 192
 193 bool CoreConnection::isLocalConnection() const
 194 {
 195     if (!isConnected())
 196         return false;
 197     if (currentAccount().isInternal())
 198         return true;
 199     if (_authHandler)
 200         return _authHandler->isLocal();
 201     if (_peer)
 202         return _peer->isLocal();
 203
 204     return false;
 205 }
 206
 207
 208 void CoreConnection::onConnectionReady()
 209 {
 210     setState(Connected);
 211 }
 212
 213
 214 void CoreConnection::setState(ConnectionState state)
 215 {
 216     if (state != _state) {
 217         _state = state;
 218         emit stateChanged(state);
 219         if (state == Disconnected)
 220             emit disconnected();
 221     }
 222 }
 223
 224
 225 void CoreConnection::coreSocketError(QAbstractSocket::SocketError error, const QString &errorString)
 226 {
 227     Q_UNUSED(error)
 228
 229     disconnectFromCore(errorString, true);
 230 }
 231
 232
 233 void CoreConnection::coreSocketDisconnected()
 234 {
 235     setState(Disconnected);
 236     _wasReconnect = false;
 237     resetConnection(_wantReconnect);
 238 }
 239
 240
 241 void CoreConnection::disconnectFromCore()
 242 {
 243     disconnectFromCore(QString(), false); // requested disconnect, so don't try to reconnect
 244 }
 245
 246
 247 void CoreConnection::disconnectFromCore(const QString &errorString, bool wantReconnect)
 248 {
 249     if (wantReconnect)
 250         _reconnectTimer.start();
 251     else
 252         _reconnectTimer.stop();
 253
 254     _wantReconnect = wantReconnect; // store if disconnect was requested
 255     _wasReconnect = false;
 256
 257     if (_authHandler)
 258         _authHandler->close();
 259     else if(_peer)
 260         _peer->close();
 261
 262     if (errorString.isEmpty())
 263         emit connectionError(tr("Disconnected"));
 264     else
 265         emit connectionError(errorString);
 266 }
 267
 268
 269 void CoreConnection::resetConnection(bool wantReconnect)
 270 {
 271     if (_resetting)
 272         return;
 273     _resetting = true;
 274
 275     _wantReconnect = wantReconnect;
 276
 277     if (_authHandler) {
 278         disconnect(_authHandler, 0, this, 0);
 279         _authHandler->close();
 280         _authHandler->deleteLater();
 281         _authHandler = 0;
 282     }
 283
 284     if (_peer) {
 285         disconnect(_peer, 0, this, 0);
 286         // peer belongs to the sigproxy and thus gets deleted by it
 287         _peer->close();
 288         _peer = 0;
 289     }
 290
 291     _netsToSync.clear();
 292     _numNetsToSync = 0;
 293
 294     setProgressMaximum(-1); // disable
 295     setState(Disconnected);
 296     emit lagUpdated(-1);
 297
 298     emit connectionMsg(tr("Disconnected from core."));
 299     emit encrypted(false);
 300     setState(Disconnected);
 301
 302     // initiate if a reconnect if appropriate
 303     CoreConnectionSettings s;
 304     if (wantReconnect && s.autoReconnect()) {
 305         _reconnectTimer.start();
 306     }
 307
 308     _resetting = false;
 309 }
 310
 311
 312 void CoreConnection::reconnectToCore()
 313 {
 314     if (currentAccount().isValid()) {
 315         _wasReconnect = true;
 316         connectToCore(currentAccount().accountId());
 317     }
 318 }
 319
 320
 321 bool CoreConnection::connectToCore(AccountId accId)
 322 {
 323     if (isConnected())
 324         return false;
 325
 326     CoreAccountSettings s;
 327
 328     // FIXME: Don't force connection to internal core in mono client
 329     if (Quassel::runMode() == Quassel::Monolithic) {
 330         _account = accountModel()->account(accountModel()->internalAccount());
 331         Q_ASSERT(_account.isValid());
 332     }
 333     else {
 334         if (!accId.isValid()) {
 335             // check our settings and figure out what to do
 336             if (!s.autoConnectOnStartup())
 337                 return false;
 338             if (s.autoConnectToFixedAccount())
 339                 accId = s.autoConnectAccount();
 340             else
 341                 accId = s.lastAccount();
 342             if (!accId.isValid())
 343                 return false;
 344         }
 345         _account = accountModel()->account(accId);
 346         if (!_account.accountId().isValid()) {
 347             return false;
 348         }
 349         if (Quassel::runMode() != Quassel::Monolithic) {
 350             if (_account.isInternal())
 351                 return false;
 352         }
 353     }
 354
 355     s.setLastAccount(accId);
 356     connectToCurrentAccount();
 357     return true;
 358 }
 359
 360
 361 void CoreConnection::connectToCurrentAccount()
 362 {
 363     if (_authHandler) {
 364         qWarning() << Q_FUNC_INFO << "Already connected!";
 365         return;
 366     }
 367
 368     if (currentAccount().isInternal()) {
 369         if (Quassel::runMode() != Quassel::Monolithic) {
 370             qWarning() << "Cannot connect to internal core in client-only mode!";
 371             return;
 372         }
 373         emit startInternalCore();
 374
 375         InternalPeer *peer = new InternalPeer();
 376         _peer = peer;
 377         Client::instance()->signalProxy()->addPeer(peer); // sigproxy will take ownership
 378         emit connectToInternalCore(peer);
 379         setState(Connected);
 380
 381         return;
 382     }
 383
 384     _authHandler = new ClientAuthHandler(currentAccount(), this);
 385
 386     connect(_authHandler, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 387     connect(_authHandler, SIGNAL(connectionReady()), SLOT(onConnectionReady()));
 388     connect(_authHandler, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 389     connect(_authHandler, SIGNAL(transferProgress(int,int)), SLOT(updateProgress(int,int)));
 390     connect(_authHandler, SIGNAL(requestDisconnect(QString,bool)), SLOT(disconnectFromCore(QString,bool)));
 391
 392     connect(_authHandler, SIGNAL(errorMessage(QString)), SIGNAL(connectionError(QString)));
 393     connect(_authHandler, SIGNAL(errorPopup(QString)), SIGNAL(connectionErrorPopup(QString)), Qt::QueuedConnection);
 394     connect(_authHandler, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 395     connect(_authHandler, SIGNAL(encrypted(bool)), SIGNAL(encrypted(bool)));
 396     connect(_authHandler, SIGNAL(startCoreSetup(QVariantList)), SIGNAL(startCoreSetup(QVariantList)));
 397     connect(_authHandler, SIGNAL(coreSetupFailed(QString)), SIGNAL(coreSetupFailed(QString)));
 398     connect(_authHandler, SIGNAL(coreSetupSuccessful()), SIGNAL(coreSetupSuccess()));
 399     connect(_authHandler, SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)), SIGNAL(userAuthenticationRequired(CoreAccount*,bool*,QString)));
 400     connect(_authHandler, SIGNAL(handleNoSslInClient(bool*)), SIGNAL(handleNoSslInClient(bool*)));
 401     connect(_authHandler, SIGNAL(handleNoSslInCore(bool*)), SIGNAL(handleNoSslInCore(bool*)));
 402 #ifdef HAVE_SSL
 403     connect(_authHandler, SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)), SIGNAL(handleSslErrors(const QSslSocket*,bool*,bool*)));
 404 #endif
 405
 406     connect(_authHandler, SIGNAL(loginSuccessful(CoreAccount)), SLOT(onLoginSuccessful(CoreAccount)));
 407     connect(_authHandler, SIGNAL(handshakeComplete(RemotePeer*,Protocol::SessionState)), SLOT(onHandshakeComplete(RemotePeer*,Protocol::SessionState)));
 408
 409     setState(Connecting);
 410     _authHandler->connectToCore();
 411 }
 412
 413
 414 void CoreConnection::setupCore(const Protocol::SetupData &setupData)
 415 {
 416     _authHandler->setupCore(setupData);
 417 }
 418
 419
 420 void CoreConnection::loginToCore(const QString &user, const QString &password, bool remember)
 421 {
 422     _authHandler->login(user, password, remember);
 423 }
 424
 425
 426 void CoreConnection::onLoginSuccessful(const CoreAccount &account)
 427 {
 428     updateProgress(0, 0);
 429
 430     // save current account data
 431     accountModel()->createOrUpdateAccount(account);
 432     accountModel()->save();
 433
 434     _reconnectTimer.stop();
 435
 436     setProgressText(tr("Receiving session state"));
 437     setState(Synchronizing);
 438     emit connectionMsg(tr("Synchronizing to %1...").arg(account.accountName()));
 439 }
 440
 441
 442 void CoreConnection::onHandshakeComplete(RemotePeer *peer, const Protocol::SessionState &sessionState)
 443 {
 444     updateProgress(100, 100);
 445
 446     disconnect(_authHandler, 0, this, 0);
 447     _authHandler->deleteLater();
 448     _authHandler = 0;
 449
 450     _peer = peer;
 451     connect(peer, SIGNAL(disconnected()), SLOT(coreSocketDisconnected()));
 452     connect(peer, SIGNAL(statusMessage(QString)), SIGNAL(connectionMsg(QString)));
 453     connect(peer, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(coreSocketError(QAbstractSocket::SocketError,QString)));
 454
 455     Client::signalProxy()->addPeer(_peer);  // sigproxy takes ownership of the peer!
 456
 457     syncToCore(sessionState);
 458 }
 459
 460
 461 void CoreConnection::internalSessionStateReceived(const Protocol::SessionState &sessionState)
 462 {
 463     updateProgress(100, 100);
 464
 465     Client::setCoreFeatures(Quassel::features()); // mono connection...
 466
 467     setState(Synchronizing);
 468     syncToCore(sessionState);
 469 }
 470
 471
 472 void CoreConnection::syncToCore(const Protocol::SessionState &sessionState)
 473 {
 474     setProgressText(tr("Receiving network states"));
 475     updateProgress(0, 100);
 476
 477     // create identities
 478     foreach(const QVariant &vid, sessionState.identities) {
 479         Client::instance()->coreIdentityCreated(vid.value<Identity>());
 480     }
 481
 482     // create buffers
 483     // FIXME: get rid of this crap -- why?
 484     NetworkModel *networkModel = Client::networkModel();
 485     Q_ASSERT(networkModel);
 486     foreach(const QVariant &vinfo, sessionState.bufferInfos)
 487         networkModel->bufferUpdated(vinfo.value<BufferInfo>());  // create BufferItems
 488
 489     // prepare sync progress thingys...
 490     // FIXME: Care about removal of networks
 491     _numNetsToSync = sessionState.networkIds.count();
 492     updateProgress(0, _numNetsToSync);
 493
 494     // create network objects
 495     foreach(const QVariant &networkid, sessionState.networkIds) {
 496         NetworkId netid = networkid.value<NetworkId>();
 497         if (Client::network(netid))
 498             continue;
 499         Network *net = new Network(netid, Client::instance());
 500         _netsToSync.insert(net);
 501         connect(net, SIGNAL(initDone()), SLOT(networkInitDone()));
 502         connect(net, SIGNAL(destroyed()), SLOT(networkInitDone()));
 503         Client::addNetwork(net);
 504     }
 505     checkSyncState();
 506 }
 507
 508
 509 // this is also called for destroyed networks!
 510 void CoreConnection::networkInitDone()
 511 {
 512     QObject *net = sender();
 513     Q_ASSERT(net);
 514     disconnect(net, 0, this, 0);
 515     _netsToSync.remove(net);
 516     updateProgress(_numNetsToSync - _netsToSync.count(), _numNetsToSync);
 517     checkSyncState();
 518 }
 519
 520
 521 void CoreConnection::checkSyncState()
 522 {
 523     if (_netsToSync.isEmpty() && state() >= Synchronizing) {
 524         setState(Synchronized);
 525         setProgressText(tr("Synchronized to %1").arg(currentAccount().accountName()));
 526         setProgressMaximum(-1);
 527         emit synchronized();
 528     }
 529 }