#pragma once

#include <QTcpServer>

#include "tcpserver_export.h"

class WorkerInstance;
class CommandInterface;



class TCPSERVER_EXPORT TcpServer : public QTcpServer
{
  Q_OBJECT
public:
  typedef QVector<CommandInterface*(*)(unsigned short) > CommandInterfaceList;
public:
  

  virtual ~TcpServer();
  

  static TcpServer *instance(unsigned short port);

  

  bool listen(const QHostAddress &address = QHostAddress::Any);

  

  void setUseWorkerThreads(bool bEnable);

  

  bool useWorkerThreads() const;

  

  QVector<WorkerInstance *> workers() const;

  

  unsigned short getListenPort() const;

  

  static bool registerCommand(unsigned short port, CommandInterface * (*factory)(unsigned short));

  

  static bool unregisterCommand(unsigned short port, CommandInterface * (*factory)(unsigned short));

  

  static CommandInterfaceList registeredCommands(unsigned short port);

  

  void setUserData(void *userData);

  

  void *userData() const;

Q_SIGNALS:
  

  void aboutToQuit(unsigned short port);

public Q_SLOTS:
  

  void shutdownRequest();
  

  void workerFinished();

protected:
  void incomingConnection(qintptr socketDescriptor);

private:
  class Private;
  

  Private *const d;

  explicit TcpServer(unsigned short port);

  

  bool listen(const QHostAddress &address, quint16 port);
};