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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Debug Bridge.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "hostserver.h"
#include "libqdb/interruptsignalhandler.h"
#include "libqdb/qdbconstants.h"
#include "logging.h"
#include <QtCore/qcommandlineparser.h>
#include <QtCore/qdir.h>
#include <QtCore/qfile.h>
#include <QtCore/qloggingcategory.h>
#include <QtNetwork/qlocalsocket.h>
Q_LOGGING_CATEGORY(hostServerC, "qdb.hostserver");
int execHostServer(const QCoreApplication &app, const QCommandLineParser &parser)
{
setupLogging();
QString filterRules;
if (!parser.isSet("debug-transport"))
filterRules.append("transport=false\n");
if (!parser.isSet("debug-connection"))
filterRules.append("connection=false\n");
QLoggingCategory::setFilterRules(filterRules);
InterruptSignalHandler signalHandler;
HostServer hostServer;
QObject::connect(&signalHandler, &InterruptSignalHandler::interrupted, &hostServer, &HostServer::close);
QObject::connect(&hostServer, &HostServer::closed, &app, &QCoreApplication::quit);
QTimer::singleShot(0, &hostServer, &HostServer::listen);
return app.exec();
}
HostServer::HostServer(QObject *parent)
: QObject{parent},
m_localServer{},
m_servlets{},
m_deviceManager{}
{
}
void HostServer::listen()
{
#ifdef Q_OS_UNIX
QString socketPath = QDir::cleanPath(QDir::tempPath()) + QChar{'/'};
socketPath += qdbSocketName;
QFile::remove(socketPath);
#endif
if (!m_localServer.listen(qdbSocketName)) {
qCCritical(hostServerC) << "Could not start listening with QLocalServer: "
<< m_localServer.errorString();
close();
return;
}
connect(&m_localServer, &QLocalServer::newConnection, this, &HostServer::handleClient);
qCDebug(hostServerC) << "Started listening";
connect(&m_deviceManager, &DeviceManager::newDeviceInfo, this, &HostServer::handleNewDeviceInfo);
connect(&m_deviceManager, &DeviceManager::disconnectedDevice, this, &HostServer::handleDisconnectedDevice);
m_deviceManager.start();
}
void HostServer::close()
{
qCDebug(hostServerC) << "Shutting down";
m_localServer.close();
while (!m_servlets.empty())
m_servlets.front().close(); // closing results in being erased from the list
emit closed();
}
void HostServer::handleClient()
{
QLocalSocket *socket = m_localServer.nextPendingConnection();
if (!socket) {
qCCritical(hostServerC) << "Did not get a connection from client";
close();
return;
}
m_servlets.emplace_back(socket, m_deviceManager);
auto servlet = &m_servlets.back();
connect(socket, &QLocalSocket::disconnected, servlet, &HostServlet::handleDisconnection);
connect(socket, &QIODevice::readyRead, servlet, &HostServlet::handleRequest);
connect(servlet, &HostServlet::done, this, &HostServer::handleDoneClient);
connect(servlet, &HostServlet::serverStopRequested, this, &HostServer::close);
}
void HostServer::handleDoneClient(ServletId servletId)
{
auto iter = std::find_if(m_servlets.begin(), m_servlets.end(),
[=](const HostServlet &servlet) {
return servlet.id() == servletId;
});
if (iter != m_servlets.end())
m_servlets.erase(iter);
else
qCWarning(hostServerC) << "Could not find done servlet" << servletId << "when trying to remove it";
}
void HostServer::handleNewDeviceInfo(DeviceInformation info)
{
qCDebug(hostServerC) << "New device information about" << info.serial;
}
void HostServer::handleDisconnectedDevice(QString serial)
{
qCDebug(hostServerC) << "Disconnected" << serial;
}
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