display.h

linux下的终端管理工具源码

/***************************************************************************/
/*                                                                         */
/* Copyright (c) 2005, 2006 2X Software Ltd, http://www.2X.com., NoMachine */
/*                                                                         */
/* NXCOMP, NX protocol compression and NX extensions to this software      */
/* are copyright of Nomachine. Redistribution and use of the present       */
/* software is allowed according to terms specified in the file LICENSE    */
/* which comes in the source distribution.                                 */
/*                                                                         */
/* NX and NoMachine are trademarks of Medialogic S.p.A.                    */
/*                                                                         */
/* 2X is a trademark of 2X Software Ltd.                                   */
/*                                                                         */
/* All rights reserved.                                                    */
/*                                                                         */
/***************************************************************************/

#ifndef Display_H
#define Display_H

#include "Timestamp.h"

class Display
{
  public:

  Display();

  ~Display();

  public:

  int setDisplay(const char *display);
  int setHost(const char *host);
  int setPort(int port);

  const char *getDisplay()
  {
    return display_;
  }

  const char *getHost()
  {
    return host_;
  }

  int getPort()
  {
    return port_;
  }

  int canBind()
  {
    return (canBindTcp() == 1 &&
                canBindUnix() == 1);
  }

  int canBindTcp();
  int canBindUnix();

  int canConnect();

  int setAuthority(const char *file);
  const char *getAuthority();

  int setCookie(const char *cookie);
  const char *getCookie();

  int setTimeout(const T_timestamp timeout);

  char *generateCookie();

  private:

  int connectTcp();
  int connectUnix();

  int checkCookie(int fd);

  int saveHost(const char *host, int length);
  int savePort(int port);
  int saveDisplay();

  const char *authCommand();

  int  port_;

  char *host_;
  char *display_;
  char *authority_;
  char *cookie_;

  T_timestamp timeout_;
};

#endif /* Display_H */