05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
// Copyright (C) 2015 Alex Trotsenko <alex1973tr@gmail.com>
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtWidgets>
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#include <QtNetwork>
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#include <QtAlgorithms>
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#include "server.h"
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#include "movieprovider.h"
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#include "timeprovider.h"
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#include "chatprovider.h"
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#include "../shared/sctpchannels.h"
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Server::Server(QWidget *parent)
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: QDialog(parent)
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, providers(SctpChannels::NumberOfChannels)
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{
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setWindowTitle(tr("Multi-stream Server"));
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sctpServer = new QSctpServer(this);
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sctpServer->setMaximumChannelCount(NumberOfChannels);
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statusLabel = new QLabel;
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QPushButton *quitButton = new QPushButton(tr("Quit"));
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providers[SctpChannels::Movie] = new MovieProvider(this);
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providers[SctpChannels::Time] = new TimeProvider(this);
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providers[SctpChannels::Chat] = new ChatProvider(this);
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connect(sctpServer, &QSctpServer::newConnection, this, &Server::newConnection);
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connect(quitButton, &QPushButton::clicked, this, &Server::accept);
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connect(providers[SctpChannels::Movie], &Provider::writeDatagram, this, &Server::writeDatagram);
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connect(providers[SctpChannels::Time], &Provider::writeDatagram, this, &Server::writeDatagram);
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connect(providers[SctpChannels::Chat], &Provider::writeDatagram, this, &Server::writeDatagram);
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QVBoxLayout *mainLayout = new QVBoxLayout;
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mainLayout->addWidget(statusLabel);
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mainLayout->addWidget(quitButton);
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setLayout(mainLayout);
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}
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Server::~Server()
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{
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qDeleteAll(connections.begin(), connections.end());
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}
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int Server::exec()
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{
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if (!sctpServer->listen()) {
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QMessageBox::critical(this, windowTitle(),
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tr("Unable to start the server: %1.")
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.arg(sctpServer->errorString()));
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return QDialog::Rejected;
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}
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QString ipAddress;
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QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
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// use the first non-localhost IPv4 address
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for (int i = 0; i < ipAddressesList.size(); ++i) {
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if (ipAddressesList.at(i) != QHostAddress::LocalHost &&
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ipAddressesList.at(i).toIPv4Address()) {
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ipAddress = ipAddressesList.at(i).toString();
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break;
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}
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}
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// if we did not find one, use IPv4 localhost
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if (ipAddress.isEmpty())
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ipAddress = QHostAddress(QHostAddress::LocalHost).toString();
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statusLabel->setText(tr("The server is running on\n\nIP: %1\nport: %2\n\n"
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"Run the Multi-stream Client example now.")
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.arg(ipAddress).arg(sctpServer->serverPort()));
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return QDialog::exec();
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}
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void Server::newConnection()
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{
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QSctpSocket *connection = sctpServer->nextPendingDatagramConnection();
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connections.append(connection);
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connect(connection, &QSctpSocket::channelReadyRead, this, &Server::readDatagram);
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connect(connection, &QSctpSocket::disconnected, this, &Server::clientDisconnected);
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for (Provider *provider : providers)
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provider->newConnection(*connection);
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}
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void Server::clientDisconnected()
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{
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QSctpSocket *connection = static_cast<QSctpSocket *>(sender());
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connections.removeOne(connection);
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connection->disconnect();
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for (Provider *provider : providers)
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provider->clientDisconnected(*connection);
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connection->deleteLater();
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}
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void Server::readDatagram(int channel)
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{
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QSctpSocket *connection = static_cast<QSctpSocket *>(sender());
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connection->setCurrentReadChannel(channel);
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providers[channel]->readDatagram(*connection, connection->readDatagram().data());
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}
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void Server::writeDatagram(QSctpSocket *to, const QByteArray &ba)
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{
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int channel = providers.indexOf(static_cast<Provider *>(sender()));
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if (to) {
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to->setCurrentWriteChannel(channel);
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to->writeDatagram(ba);
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return;
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}
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for (QSctpSocket *connection : connections) {
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connection->setCurrentWriteChannel(channel);
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connection->writeDatagram(ba);
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}
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}
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