src/main/monoapplication.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 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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  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "monoapplication.h"
  22 #include "coreapplication.h"
  23 #include "client.h"
  24 #include "core.h"
  25 #include "internalpeer.h"
  26 #include "logmessage.h"
  27 #include "qtui.h"
  28
  29 class InternalPeer;
  30
  31 MonolithicApplication::MonolithicApplication(int &argc, char **argv)
  32     : QtUiApplication(argc, argv)
  33 {
  34 }
  35
  36
  37 void MonolithicApplication::init()
  38 {
  39     QtUiApplication::init();
  40
  41     connect(Client::coreConnection(), &CoreConnection::connectToInternalCore, this, &MonolithicApplication::onConnectionRequest);
  42
  43     // If port is set, start internal core directly so external clients can connect
  44     // This is useful in case the mono client re-gains remote connection capability,
  45     // in which case the internal core would not have to be started by default.
  46     if (Quassel::isOptionSet("port")) {
  47         startInternalCore();
  48     }
  49 }
  50
  51
  52 Quassel::QuitHandler MonolithicApplication::quitHandler()
  53 {
  54     return [this]() {
  55         quInfo() << "Client shutting down...";
  56         connect(_client.get(), &QObject::destroyed, this, &MonolithicApplication::onClientDestroyed);
  57         _client.release()->deleteLater();
  58     };
  59 }
  60
  61
  62 void MonolithicApplication::onClientDestroyed()
  63 {
  64     if (_core) {
  65         connect(_core, &Core::shutdownComplete, this, &MonolithicApplication::onCoreShutdown);
  66         _core->shutdown();
  67     }
  68     else {
  69         QCoreApplication::quit();
  70     }
  71 }
  72
  73
  74 void MonolithicApplication::onCoreShutdown()
  75 {
  76     if (_core) {
  77         connect(_core, &QObject::destroyed, QCoreApplication::instance(), &QCoreApplication::quit);
  78         _coreThread.quit();
  79         _coreThread.wait();
  80     }
  81     else {
  82         QCoreApplication::quit();
  83     }
  84 }
  85
  86
  87 void MonolithicApplication::startInternalCore()
  88 {
  89     if (_core) {
  90         // Already started
  91         return;
  92     }
  93
  94     // Start internal core in a separate thread, so it doesn't block the UI
  95     _core = new Core{};
  96     _core->moveToThread(&_coreThread);
  97     connect(&_coreThread, &QThread::started, _core.data(), &Core::initAsync);
  98     connect(&_coreThread, &QThread::finished, _core.data(), &QObject::deleteLater);
  99
 100     connect(this, &MonolithicApplication::connectInternalPeer, _core, &Core::connectInternalPeer);
 101     connect(_core, &Core::sessionStateReceived, Client::coreConnection(), &CoreConnection::internalSessionStateReceived);
 102
 103     connect(_core.data(), &Core::dbUpgradeInProgress, Client::instance(), &Client::onDbUpgradeInProgress);
 104     connect(_core.data(), &Core::exitRequested, Client::instance(), &Client::onExitRequested);
 105
 106     _coreThread.start();
 107 }
 108
 109
 110 void MonolithicApplication::onConnectionRequest(QPointer<InternalPeer> peer)
 111 {
 112     if (!_core) {
 113         startInternalCore();
 114     }
 115
 116     // While starting the core may take a while, the object itself is instantiated synchronously and the connections
 117     // established, so it's safe to emit this immediately. The core will take care of queueing the request until
 118     // initialization is complete.
 119     emit connectInternalPeer(peer);
 120 }