rlmailbox.h

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/***************************************************************************
                          rlmailbox.h  -  description
                             -------------------
    begin                : Tue Jan 02 2001
    copyright            : (C) 2001 by R. Lehrig
    email                : lehrig@t-online.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This library is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as        *
 *   published by the Free Software Foundation                             *
 *                                                                         *
 ***************************************************************************/
#ifndef _RL_MAILBOX_H_
#define _RL_MAILBOX_H_

#include "rldefine.h"

class rlMailbox
{
public:
  enum MailboxEnum
  {
    MAILBOX_ERROR            = -1,
    MAILBOX_FULL             = -2,
    WAIT                     = 1,
    NOWAIT                   = 0,
    MAX_MAILBOX              = 256*256,
    OK                       = 2,
    COULD_NOT_CREATE_MAILBOX = 3,
    COULD_NOT_GET_KEY        = 4,
    COULD_NOT_GET_CHAN_ID    = 5
  };

  rlMailbox(const char *name);

  virtual ~rlMailbox();

  int write(const void *buf, int len);

  int printf(const char *format, ...);

  int read(void *buf, int maxlen, int wait=WAIT);

  int setReadBufferSize(int size);

  const char *read(int wait=WAIT);

  int write(const char *message);

  void clear();

  int status;

  char *name;

private:
  int chanid;
  int buffer_size;
  char *buffer;
};

#endif