src/qtui/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  *
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   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  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     Quassel::setRunMode(Quassel::Monolithic);
  35 }
  36
  37
  38 void MonolithicApplication::init()
  39 {
  40     QtUiApplication::init();
  41
  42     connect(Client::coreConnection(), SIGNAL(connectToInternalCore(QPointer<InternalPeer>)), this, SLOT(onConnectionRequest(QPointer<InternalPeer>)));
  43
  44     // If port is set, start internal core directly so external clients can connect
  45     // This is useful in case the mono client re-gains remote connection capability,
  46     // in which case the internal core would not have to be started by default.
  47     if (Quassel::isOptionSet("port")) {
  48         startInternalCore();
  49     }
  50 }
  51
  52
  53 Quassel::QuitHandler MonolithicApplication::quitHandler()
  54 {
  55     return [this]() {
  56         quInfo() << "Client shutting down...";
  57         connect(_client.get(), SIGNAL(destroyed()), this, SLOT(onClientDestroyed()));
  58         _client.release()->deleteLater();
  59     };
  60 }
  61
  62
  63 void MonolithicApplication::onClientDestroyed()
  64 {
  65     if (_core) {
  66         connect(_core, SIGNAL(shutdownComplete()), this, SLOT(onCoreShutdown()));
  67         _core->shutdown();
  68     }
  69     else {
  70         QCoreApplication::quit();
  71     }
  72 }
  73
  74
  75 void MonolithicApplication::onCoreShutdown()
  76 {
  77     if (_core) {
  78         connect(_core, SIGNAL(destroyed()), QCoreApplication::instance(), SLOT(quit()));
  79         _coreThread.quit();
  80         _coreThread.wait();
  81     }
  82     else {
  83         QCoreApplication::quit();
  84     }
  85 }
  86
  87
  88 void MonolithicApplication::startInternalCore()
  89 {
  90     if (_core) {
  91         // Already started
  92         return;
  93     }
  94
  95     // Start internal core in a separate thread, so it doesn't block the UI
  96     _core = new Core{};
  97     _core->moveToThread(&_coreThread);
  98     connect(&_coreThread, SIGNAL(started()), _core, SLOT(initAsync()));
  99     connect(&_coreThread, SIGNAL(finished()), _core, SLOT(deleteLater()));
 100
 101     connect(this, SIGNAL(connectInternalPeer(QPointer<InternalPeer>)), _core, SLOT(connectInternalPeer(QPointer<InternalPeer>)));
 102     connect(_core, SIGNAL(sessionState(Protocol::SessionState)), Client::coreConnection(), SLOT(internalSessionStateReceived(Protocol::SessionState)));
 103
 104     connect(_core, SIGNAL(dbUpgradeInProgress(bool)), Client::instance(), SLOT(onDbUpgradeInProgress(bool)));
 105     connect(_core, SIGNAL(exitRequested(int,QString)), Client::instance(), SLOT(onExitRequested(int,QString)));
 106
 107     _coreThread.start();
 108 }
 109
 110
 111 void MonolithicApplication::onConnectionRequest(QPointer<InternalPeer> peer)
 112 {
 113     if (!_core) {
 114         startInternalCore();
 115     }
 116
 117     // While starting the core may take a while, the object itself is instantiated synchronously and the connections
 118     // established, so it's safe to emit this immediately. The core will take care of queueing the request until
 119     // initialization is complete.
 120     emit connectInternalPeer(peer);
 121 }