src/client/client.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "client.h"
  22
  23 #include "abstractmessageprocessor.h"
  24 #include "abstractui.h"
  25 #include "bufferinfo.h"
  26 #include "buffermodel.h"
  27 #include "buffersettings.h"
  28 #include "buffersyncer.h"
  29 #include "bufferviewconfig.h"
  30 #include "clientaliasmanager.h"
  31 #include "clientbacklogmanager.h"
  32 #include "clientbufferviewmanager.h"
  33 #include "clientirclisthelper.h"
  34 #include "clientidentity.h"
  35 #include "clientuserinputhandler.h"
  36 #include "ircchannel.h"
  37 #include "ircuser.h"
  38 #include "message.h"
  39 #include "messagemodel.h"
  40 #include "network.h"
  41 #include "networkmodel.h"
  42 #include "quassel.h"
  43 #include "signalproxy.h"
  44 #include "util.h"
  45
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48
  49 QPointer<Client> Client::instanceptr = 0;
  50 AccountId Client::_currentCoreAccount = 0;
  51
  52 /*** Initialization/destruction ***/
  53
  54 bool Client::instanceExists()
  55 {
  56   return instanceptr;
  57 }
  58
  59 Client *Client::instance() {
  60   if(!instanceptr)
  61     instanceptr = new Client();
  62   return instanceptr;
  63 }
  64
  65 void Client::destroy() {
  66   if(instanceptr) {
  67     delete instanceptr->mainUi();
  68     instanceptr->deleteLater();
  69     instanceptr = 0;
  70   }
  71 }
  72
  73 void Client::init(AbstractUi *ui) {
  74   instance()->_mainUi = ui;
  75   instance()->init();
  76 }
  77
  78 Client::Client(QObject *parent)
  79   : QObject(parent),
  80     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  81     _mainUi(0),
  82     _networkModel(0),
  83     _bufferModel(0),
  84     _bufferSyncer(0),
  85     _aliasManager(0),
  86     _backlogManager(new ClientBacklogManager(this)),
  87     _bufferViewManager(0),
  88     _ircListHelper(new ClientIrcListHelper(this)),
  89     _inputHandler(0),
  90     _messageModel(0),
  91     _messageProcessor(0),
  92     _connectedToCore(false),
  93     _syncedToCore(false),
  94     _internalCore(false),
  95     _debugLog(&_debugLogBuffer)
  96 {
  97   _signalProxy->synchronize(_ircListHelper);
  98 }
  99
 100 Client::~Client() {
 101   disconnectFromCore();
 102 }
 103
 104 void Client::init() {
 105   _currentCoreAccount = 0;
 106   _networkModel = new NetworkModel(this);
 107
 108   connect(this, SIGNAL(networkRemoved(NetworkId)),
 109           _networkModel, SLOT(networkRemoved(NetworkId)));
 110
 111   _bufferModel = new BufferModel(_networkModel);
 112   _messageModel = mainUi()->createMessageModel(this);
 113   _messageProcessor = mainUi()->createMessageProcessor(this);
 114   _inputHandler = new ClientUserInputHandler(this);
 115
 116   SignalProxy *p = signalProxy();
 117
 118   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 119   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 120
 121   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), _networkModel, SLOT(bufferUpdated(BufferInfo)));
 122   p->attachSignal(inputHandler(), SIGNAL(sendInput(BufferInfo, QString)));
 123   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 124
 125   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &, const QVariantMap &)), SIGNAL(createIdentity(const Identity &, const QVariantMap &)));
 126   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 127   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 128   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 129
 130   p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &, const QStringList &)), SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)));
 131   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 132   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 133   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 134
 135   connect(p, SIGNAL(disconnected()), this, SLOT(disconnectedFromCore()));
 136
 137   //connect(mainUi(), SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 138   connect(mainUi(), SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 139   connect(this, SIGNAL(connected()), mainUi(), SLOT(connectedToCore()));
 140   connect(this, SIGNAL(disconnected()), mainUi(), SLOT(disconnectedFromCore()));
 141
 142   // attach backlog manager
 143   p->synchronize(backlogManager());
 144   connect(backlogManager(), SIGNAL(messagesReceived(BufferId, int)), _messageModel, SLOT(messagesReceived(BufferId, int)));
 145 }
 146
 147 /*** public static methods ***/
 148
 149 AbstractUi *Client::mainUi() {
 150   return instance()->_mainUi;
 151 }
 152
 153 AccountId Client::currentCoreAccount() {
 154   return _currentCoreAccount;
 155 }
 156
 157 void Client::setCurrentCoreAccount(AccountId id) {
 158   _currentCoreAccount = id;
 159 }
 160
 161 bool Client::isConnected() {
 162   return instance()->_connectedToCore;
 163 }
 164
 165 bool Client::isSynced() {
 166   return instance()->_syncedToCore;
 167 }
 168
 169 /*** Network handling ***/
 170
 171 QList<NetworkId> Client::networkIds() {
 172   return instance()->_networks.keys();
 173 }
 174
 175 const Network * Client::network(NetworkId networkid) {
 176   if(instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 177   else return 0;
 178 }
 179
 180 void Client::createNetwork(const NetworkInfo &info, const QStringList &persistentChannels) {
 181   emit instance()->requestCreateNetwork(info, persistentChannels);
 182 }
 183
 184 void Client::removeNetwork(NetworkId id) {
 185   emit instance()->requestRemoveNetwork(id);
 186 }
 187
 188 void Client::updateNetwork(const NetworkInfo &info) {
 189   Network *netptr = instance()->_networks.value(info.networkId, 0);
 190   if(!netptr) {
 191     qWarning() << "Update for unknown network requested:" << info;
 192     return;
 193   }
 194   netptr->requestSetNetworkInfo(info);
 195 }
 196
 197 void Client::addNetwork(Network *net) {
 198   net->setProxy(signalProxy());
 199   signalProxy()->synchronize(net);
 200   networkModel()->attachNetwork(net);
 201   connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 202   instance()->_networks[net->networkId()] = net;
 203   emit instance()->networkCreated(net->networkId());
 204 }
 205
 206 void Client::coreNetworkCreated(NetworkId id) {
 207   if(_networks.contains(id)) {
 208     qWarning() << "Creation of already existing network requested!";
 209     return;
 210   }
 211   Network *net = new Network(id, this);
 212   addNetwork(net);
 213 }
 214
 215 void Client::coreNetworkRemoved(NetworkId id) {
 216   if(!_networks.contains(id))
 217     return;
 218   Network *net = _networks.take(id);
 219   emit networkRemoved(net->networkId());
 220   net->deleteLater();
 221 }
 222
 223 /*** Identity handling ***/
 224
 225 QList<IdentityId> Client::identityIds() {
 226   return instance()->_identities.keys();
 227 }
 228
 229 const Identity *Client::identity(IdentityId id) {
 230   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 231   else return 0;
 232 }
 233
 234 void Client::createIdentity(const CertIdentity &id) {
 235   QVariantMap additional;
 236 #ifdef HAVE_SSL
 237   additional["KeyPem"] = id.sslKey().toPem();
 238   additional["CertPem"] = id.sslCert().toPem();
 239 #endif
 240   emit instance()->requestCreateIdentity(id, additional);
 241 }
 242
 243 void Client::updateIdentity(IdentityId id, const QVariantMap &ser) {
 244   Identity *idptr = instance()->_identities.value(id, 0);
 245   if(!idptr) {
 246     qWarning() << "Update for unknown identity requested:" << id;
 247     return;
 248   }
 249   idptr->requestUpdate(ser);
 250 }
 251
 252 void Client::removeIdentity(IdentityId id) {
 253   emit instance()->requestRemoveIdentity(id);
 254 }
 255
 256 void Client::coreIdentityCreated(const Identity &other) {
 257   if(!_identities.contains(other.id())) {
 258     Identity *identity = new Identity(other, this);
 259     _identities[other.id()] = identity;
 260     identity->setInitialized();
 261     signalProxy()->synchronize(identity);
 262     emit identityCreated(other.id());
 263   } else {
 264     qWarning() << tr("Identity already exists in client!");
 265   }
 266 }
 267
 268 void Client::coreIdentityRemoved(IdentityId id) {
 269   if(_identities.contains(id)) {
 270     emit identityRemoved(id);
 271     Identity *i = _identities.take(id);
 272     i->deleteLater();
 273   }
 274 }
 275
 276 /*** User input handling ***/
 277
 278 void Client::userInput(const BufferInfo &bufferInfo, const QString &message) {
 279   // we need to make sure that AliasManager is ready before processing input
 280   if(aliasManager() && aliasManager()->isInitialized())
 281     inputHandler()->handleUserInput(bufferInfo, message);
 282   else
 283    instance()-> _userInputBuffer.append(qMakePair(bufferInfo, message));
 284 }
 285
 286 void Client::sendBufferedUserInput() {
 287   for(int i = 0; i < _userInputBuffer.count(); i++)
 288     userInput(_userInputBuffer.at(i).first, _userInputBuffer.at(i).second);
 289
 290   _userInputBuffer.clear();
 291 }
 292
 293 /*** core connection stuff ***/
 294
 295 void Client::setConnectedToCore(AccountId id, QIODevice *socket) {
 296   if(socket) { // external core
 297     // if the socket is an orphan, the signalProxy adopts it.
 298     // -> we don't need to care about it anymore
 299     socket->setParent(0);
 300     signalProxy()->addPeer(socket);
 301   }
 302   _internalCore = !socket;
 303   _connectedToCore = true;
 304   setCurrentCoreAccount(id);
 305 }
 306
 307 void Client::setSyncedToCore() {
 308   // create buffersyncer
 309   Q_ASSERT(!_bufferSyncer);
 310   _bufferSyncer = new BufferSyncer(this);
 311   connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
 312   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 313   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 314   connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), this, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 315   connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), _messageModel, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 316   connect(bufferSyncer(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
 317   connect(networkModel(), SIGNAL(setLastSeenMsg(BufferId, MsgId)), bufferSyncer(), SLOT(requestSetLastSeenMsg(BufferId, const MsgId &)));
 318   signalProxy()->synchronize(bufferSyncer());
 319
 320   // create a new BufferViewManager
 321   Q_ASSERT(!_bufferViewManager);
 322   _bufferViewManager = new ClientBufferViewManager(signalProxy(), this);
 323   connect(bufferViewManager(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
 324   connect(bufferViewManager(), SIGNAL(initDone()), this, SLOT(createDefaultBufferView()));
 325
 326   // create AliasManager
 327   Q_ASSERT(!_aliasManager);
 328   _aliasManager = new ClientAliasManager(this);
 329   connect(aliasManager(), SIGNAL(initDone()), SLOT(sendBufferedUserInput()));
 330   signalProxy()->synchronize(aliasManager());
 331
 332   _syncedToCore = true;
 333   emit connected();
 334   emit coreConnectionStateChanged(true);
 335 }
 336
 337 void Client::requestInitialBacklog() {
 338   if(bufferViewManager()->isInitialized() && bufferSyncer()->isInitialized())
 339     Client::backlogManager()->requestInitialBacklog();
 340 }
 341
 342 void Client::createDefaultBufferView() {
 343   if(bufferViewManager()->bufferViewConfigs().isEmpty()) {
 344     BufferViewConfig config(-1);
 345     config.setBufferViewName(tr("All Buffers"));
 346     config.initSetBufferList(networkModel()->allBufferIdsSorted());
 347     bufferViewManager()->requestCreateBufferView(config.toVariantMap());
 348   }
 349 }
 350
 351 void Client::disconnectFromCore() {
 352   if(!isConnected())
 353     return;
 354
 355   signalProxy()->removeAllPeers();
 356 }
 357
 358 void Client::disconnectedFromCore() {
 359   _connectedToCore = false;
 360   _syncedToCore = false;
 361   emit disconnected();
 362   emit coreConnectionStateChanged(false);
 363
 364   backlogManager()->reset();
 365   messageProcessor()->reset();
 366
 367   // Clear internal data. Hopefully nothing relies on it at this point.
 368   setCurrentCoreAccount(0);
 369
 370   if(_bufferSyncer) {
 371     _bufferSyncer->deleteLater();
 372     _bufferSyncer = 0;
 373   }
 374
 375   if(_bufferViewManager) {
 376     _bufferViewManager->deleteLater();
 377     _bufferViewManager = 0;
 378   }
 379
 380   if(_aliasManager) {
 381     _aliasManager->deleteLater();
 382     _aliasManager = 0;
 383   }
 384
 385   // we probably don't want to save pending input for reconnect
 386   _userInputBuffer.clear();
 387
 388   _messageModel->clear();
 389   _networkModel->clear();
 390
 391   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
 392   while(netIter != _networks.end()) {
 393     Network *net = netIter.value();
 394     emit networkRemoved(net->networkId());
 395     disconnect(net, SIGNAL(destroyed()), this, 0);
 396     netIter = _networks.erase(netIter);
 397     net->deleteLater();
 398   }
 399   Q_ASSERT(_networks.isEmpty());
 400
 401   QHash<IdentityId, Identity *>::iterator idIter = _identities.begin();
 402   while(idIter != _identities.end()) {
 403     emit identityRemoved(idIter.key());
 404     Identity *id = idIter.value();
 405     idIter = _identities.erase(idIter);
 406     id->deleteLater();
 407   }
 408   Q_ASSERT(_identities.isEmpty());
 409
 410 }
 411
 412 /*** ***/
 413
 414 void Client::networkDestroyed() {
 415   Network *net = static_cast<Network *>(sender());
 416   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 417   while(netIter != _networks.end()) {
 418     if(*netIter == net) {
 419       netIter = _networks.erase(netIter);
 420       break;
 421     } else {
 422       netIter++;
 423     }
 424   }
 425 }
 426
 427 // Hmm... we never used this...
 428 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 429   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 430 }
 431
 432 void Client::recvMessage(const Message &msg) {
 433   Message msg_ = msg;
 434   messageProcessor()->process(msg_);
 435 }
 436
 437 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
 438   if(!bufferSyncer())
 439     return;
 440   bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 441 }
 442
 443 void Client::removeBuffer(BufferId id) {
 444   if(!bufferSyncer()) return;
 445   bufferSyncer()->requestRemoveBuffer(id);
 446 }
 447
 448 void Client::renameBuffer(BufferId bufferId, const QString &newName) {
 449   if(!bufferSyncer())
 450     return;
 451   bufferSyncer()->requestRenameBuffer(bufferId, newName);
 452 }
 453
 454 void Client::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
 455   if(!bufferSyncer())
 456     return;
 457   bufferSyncer()->requestMergeBuffersPermanently(bufferId1, bufferId2);
 458 }
 459
 460 void Client::purgeKnownBufferIds() {
 461   if(!bufferSyncer())
 462     return;
 463   bufferSyncer()->requestPurgeBufferIds();
 464 }
 465
 466 void Client::bufferRemoved(BufferId bufferId) {
 467   // select a sane buffer (status buffer)
 468   /* we have to manually select a buffer because otherwise inconsitent changes
 469    * to the model might occur:
 470    * the result of a buffer removal triggers a change in the selection model.
 471    * the newly selected buffer might be a channel that hasn't been selected yet
 472    * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 473    * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 474    */
 475   QModelIndex current = bufferModel()->currentIndex();
 476   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 477     bufferModel()->setCurrentIndex(current.sibling(0,0));
 478   }
 479
 480   // and remove it from the model
 481   networkModel()->removeBuffer(bufferId);
 482 }
 483
 484 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
 485   QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 486   if(bufferIndex.isValid()) {
 487     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 488   }
 489 }
 490
 491 void Client::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2) {
 492   QModelIndex idx = networkModel()->bufferIndex(bufferId1);
 493   bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(idx));
 494   networkModel()->removeBuffer(bufferId2);
 495 }
 496
 497 void Client::logMessage(QtMsgType type, const char *msg) {
 498   fprintf(stderr, "%s\n", msg);
 499   fflush(stderr);
 500   if(type == QtFatalMsg) {
 501     Quassel::logFatalMessage(msg);
 502   } else {
 503     QString msgString = QString("%1\n").arg(msg);
 504
 505     //Check to see if there is an instance around, else we risk recursions
 506     //when calling instance() and creating new ones.
 507     if (!instanceExists())
 508       return;
 509
 510     instance()->_debugLog << msgString;
 511     emit instance()->logUpdated(msgString);
 512   }
 513 }
 514