ha_proactive_status.h

ACE自适配通信环境（ADAPTIVE Communication Environment）是可以自由使用、开放源码的面向对象（OO）框架（Framework）

/* -*- C++ -*- */
/*
** HA_Proactive_Status.h,v 1.4 2004/03/15 23:32:42 shuston Exp
**
** Example program from The ACE Programmer's Guide, Chapter 8.
** Copyright 2003 Addison-Wesley. All Rights Reserved.
*/

#ifndef __HA_PROACTIVE_STATUS_H
#define __HA_PROACTIVE_STATUS_H

#include "ace/OS_NS_sys_socket.h"
#include "ace/Asynch_IO.h"
#include "ace/Service_Object.h"
// Listing 1 code/ch08
#include "ace/Asynch_IO.h"

#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) || (defined (ACE_HAS_AIO_CALLS))

class HA_Proactive_Service : public ACE_Service_Handler
{
public:
  ~HA_Proactive_Service ()
   {
     if (this->handle () != ACE_INVALID_HANDLE)
       ACE_OS::closesocket (this->handle ());
   }

  virtual void open (ACE_HANDLE h, ACE_Message_Block&);

  // This method will be called when an asynchronous read
  // completes on a stream.
  virtual void handle_read_stream
    (const ACE_Asynch_Read_Stream::Result &result);

  // This method will be called when an asynchronous write
  // completes on a stream.
  virtual void handle_write_stream
    (const ACE_Asynch_Write_Stream::Result &result);

private:
  ACE_Asynch_Read_Stream reader_;
  ACE_Asynch_Write_Stream writer_;
};
// Listing 1

// Listing 2 code/ch08
#include "ace/Asynch_Acceptor.h"
#include "ace/INET_Addr.h"

class HA_Proactive_Acceptor :
    public ACE_Asynch_Acceptor<HA_Proactive_Service>
{
public:
  virtual int validate_connection
    (const ACE_Asynch_Accept::Result& result,
     const ACE_INET_Addr &remote,
     const ACE_INET_Addr &local);
};
// Listing 2

#endif /* (ACE_WIN32 && != ACE_HAS_WINCE) || ACE_HAS_AIO_CALLS*/

#if 0
// Listing 3 code/ch08
template <class HANDLER>
class ACE_Asynch_Acceptor : public ACE_Handler
      ...
protected:
  virtual HANDLER *make_handler (void)
  {
    return new HANDLER;
  }
// Listing 3
#endif

class HA_Proactive_Status : public ACE_Service_Object
{
public:
  // Initializes object when dynamic linking occurs.
  virtual int init (int argc, ACE_TCHAR *argv[]);

  // Terminates object when dynamic unlinking occurs.
  virtual int fini (void);
};

#endif /* __HA_PROACTIVE_STATUS_H */