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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "client.h"
#include "connection.h"
#include "peermanager.h"
#include <QHostInfo>
#include <algorithm>
#include <functional>
Client::Client()
: peerManager(new PeerManager(this))
{
peerManager->setServerPort(server.serverPort());
peerManager->startBroadcasting();
connect(peerManager, &PeerManager::newConnection,
this, &Client::newConnection);
connect(&server, &Server::newConnection,
this, &Client::newConnection);
}
void Client::sendMessage(const QString &message)
{
if (message.isEmpty())
return;
for (Connection *connection : std::as_const(peers))
connection->sendMessage(message);
}
QString Client::nickName() const
{
return peerManager->userName() + '@' + QHostInfo::localHostName()
+ ':' + QString::number(server.serverPort());
}
bool Client::hasConnection(const QByteArray &peerUniqueId) const
{
return peers.contains(peerUniqueId);
}
void Client::newConnection(Connection *connection)
{
connection->setGreetingMessage(peerManager->userName(), peerManager->uniqueId());
connect(connection, &Connection::readyForUse, this, &Client::readyForUse);
connect(connection, &Connection::errorOccurred, connection, &QObject::deleteLater);
connect(connection, &Connection::disconnected, connection, &QObject::deleteLater);
}
void Client::readyForUse()
{
Connection *connection = qobject_cast<Connection *>(sender());
if (!connection || hasConnection(connection->uniqueId())) {
if (connection) {
connection->disconnectFromHost();
connection->deleteLater();
}
return;
}
connect(connection, &Connection::errorOccurred, this, &Client::connectionError);
connect(connection, &Connection::disconnected, this, &Client::disconnected);
connect(connection, &Connection::newMessage, this, &Client::newMessage);
peers.insert(connection->uniqueId(), connection);
QString nick = connection->name();
if (!nick.isEmpty())
emit newParticipant(nick);
}
void Client::disconnected()
{
if (Connection *connection = qobject_cast<Connection *>(sender()))
removeConnection(connection);
}
void Client::connectionError(QAbstractSocket::SocketError /* socketError */)
{
if (Connection *connection = qobject_cast<Connection *>(sender()))
removeConnection(connection);
}
void Client::removeConnection(Connection *connection)
{
if (peers.remove(connection->uniqueId())) {
QString nick = connection->name();
if (!nick.isEmpty())
emit participantLeft(nick);
}
connection->deleteLater();
}
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