/plugins/gadu_protocol/socket-notifiers/gadu-socket-notifiers.cpp
C++ | 177 lines | 117 code | 40 blank | 20 comment | 15 complexity | da2c830c97472821f6511863ca5f91c8 MD5 | raw file
Possible License(s): LGPL-2.1, GPL-3.0, BSD-3-Clause, CC-BY-3.0, GPL-2.0
- /*
- * %kadu copyright begin%
- * Copyright 2012, 2013 Bartosz Brachaczek (b.brachaczek@gmail.com)
- * Copyright 2011, 2013, 2014 Rafał Przemysław Malinowski (rafal.przemyslaw.malinowski@gmail.com)
- * %kadu copyright end%
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <QtCore/QSocketNotifier>
- #include <QtCore/QTimer>
- #include "debug.h"
- #include "gadu-socket-notifiers.h"
- GaduSocketNotifiers::GaduSocketNotifiers(QObject *parent)
- : QObject(parent), Socket(-1), Started(false), ReadNotifier(0), WriteNotifier(0), TimeoutTimer(0)
- {
- kdebugf();
- kdebugf2();
- }
- GaduSocketNotifiers::~GaduSocketNotifiers()
- {
- kdebugf();
- deleteSocketNotifiers();
- kdebugf2();
- }
- void GaduSocketNotifiers::createSocketNotifiers()
- {
- kdebugf();
- deleteSocketNotifiers();
- if (-1 == Socket)
- return;
- // Old code was using 0 instead of -1 for invalid socket. Check whether we didn't forget to fix something.
- Q_ASSERT(0 != Socket);
- ReadNotifier = new QSocketNotifier(Socket, QSocketNotifier::Read, this);
- connect(ReadNotifier, SIGNAL(activated(int)), this, SLOT(dataReceived()));
- WriteNotifier = new QSocketNotifier(Socket, QSocketNotifier::Write, this);
- connect(WriteNotifier, SIGNAL(activated(int)), this, SLOT(dataSent()));
- Started = true;
- enable();
- kdebugf2();
- }
- void GaduSocketNotifiers::deleteSocketNotifiers()
- {
- kdebugf();
- if (!Started)
- return;
- Started = false;
- ReadNotifier->setEnabled(false);
- ReadNotifier->deleteLater();
- ReadNotifier = 0;
- WriteNotifier->setEnabled(false);
- WriteNotifier->deleteLater();
- WriteNotifier = 0;
- if (TimeoutTimer)
- {
- TimeoutTimer->stop();
- TimeoutTimer->deleteLater();
- TimeoutTimer = 0;
- }
- kdebugf2();
- }
- void GaduSocketNotifiers::disable()
- {
- kdebugf();
- if (!Started)
- return;
- ReadNotifier->setEnabled(false);
- WriteNotifier->setEnabled(false);
- if (TimeoutTimer)
- TimeoutTimer->stop();
- }
- void GaduSocketNotifiers::enable()
- {
- kdebugf();
- if (!Started)
- return;
- ReadNotifier->setEnabled(checkRead());
- WriteNotifier->setEnabled(checkWrite());
- int tout = timeout();
- if (tout > 0)
- {
- if (!TimeoutTimer)
- {
- TimeoutTimer = new QTimer(this);
- TimeoutTimer->setSingleShot(true);
- connect(TimeoutTimer, SIGNAL(timeout()), this, SLOT(socketTimeout()));
- }
- TimeoutTimer->start(tout);
- }
- else if (TimeoutTimer)
- {
- TimeoutTimer->stop();
- TimeoutTimer->deleteLater();
- TimeoutTimer = 0;
- }
- }
- void GaduSocketNotifiers::watchFor(int socket)
- {
- kdebugmf(KDEBUG_NETWORK | KDEBUG_INFO, "notifier: %p, old socket: %d, socket: %d\n", this, Socket, socket);
- if (Socket == socket)
- return;
- Socket = socket;
- createSocketNotifiers();
- }
- void GaduSocketNotifiers::socketTimeout()
- {
- kdebugf();
- if (!handleSoftTimeout())
- connectionTimeout();
- }
- void GaduSocketNotifiers::dataReceived()
- {
- kdebugf();
- disable();
- socketEvent();
- enable();
- kdebugf2();
- }
- void GaduSocketNotifiers::dataSent()
- {
- kdebugf();
- disable();
- socketEvent();
- enable();
- kdebugf2();
- }
- #include "moc_gadu-socket-notifiers.cpp"