trikServer.h

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/* Copyright 2014 - 2015 CyberTech Labs Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. */

#pragma once

#include <functional>

#include <QtCore/QHash>
#include <QtCore/QThread>
#include <QtNetwork/QTcpServer>
#include <QtCore/QTimer>

#include "declSpec.h"

namespace trikNetwork {

class Connection;

class TRIKNETWORK_EXPORT TrikServer : public QTcpServer
{
    Q_OBJECT

public:
    explicit TrikServer(const std::function<Connection *()> &connectionFactory);

    ~TrikServer() override;

    int activeConnections() const;

    Q_INVOKABLE void startServer(quint16 port);

public slots:
    void sendMessage(const QString &message);

signals:
    void connected();

    void disconnected();

protected:
    void incomingConnection(qintptr socketDescriptor) override;

    void startConnection(Connection * connectionWorker);

    Connection *connection(const QHostAddress &ip, int port) const;

    Connection *connection(const QHostAddress &ip) const;

private slots:
    void onConnectionClosed(trikNetwork::Connection *connection);

private:
    QHash<QThread *, Connection *> mConnections;  // Has ownership over threads and connections.

    std::function<Connection *()> mConnectionFactory;
};

}