server.cpp

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// server.cpp,v 1.6 2000/05/29 00:31:47 othman Exp

#include "ace/Service_Config.h"
#include "ace/FIFO_Recv_Msg.h"
#include "ace/Log_Msg.h"

ACE_RCSID(FIFO, server, "server.cpp,v 1.6 2000/05/29 00:31:47 othman Exp")

class FIFO_Recv_Handler : public ACE_Event_Handler
{
public:
  FIFO_Recv_Handler (void);
  ~FIFO_Recv_Handler (void);
  
  virtual ACE_HANDLE get_handle (void) const;
  virtual int handle_input (ACE_HANDLE fd);

private:
  ACE_FIFO_Recv_Msg fifo_reader_;
};

FIFO_Recv_Handler::FIFO_Recv_Handler (void)
{
  ACE_OS::unlink (ACE_DEFAULT_RENDEZVOUS);

  // Make sure to open the FIFO with the "persistent" flag enabled
  // (which is the default).
  if (this->fifo_reader_.open (ACE_DEFAULT_RENDEZVOUS) == -1)
    ACE_ERROR ((LM_ERROR, "%p\n", "open"));

  // Register with the Reactor.
  if (ACE_Reactor::instance ()->register_handler 
      (this, ACE_Event_Handler::READ_MASK) == -1)
    ACE_ERROR ((LM_ERROR, "%p\n", "register_handler"));
}

ACE_HANDLE 
FIFO_Recv_Handler::get_handle (void) const
{
  return this->fifo_reader_.get_handle ();
}

FIFO_Recv_Handler::~FIFO_Recv_Handler (void)
{
  this->fifo_reader_.close ();
  this->fifo_reader_.remove ();
}

int
FIFO_Recv_Handler::handle_input (ACE_HANDLE)
{
  char buf[BUFSIZ];
  
  ACE_DEBUG ((LM_DEBUG, "handle_input\n"));

  ACE_Str_Buf msg (buf, 0, sizeof buf);

  ssize_t n = this->fifo_reader_.recv (msg);

  if (n < 0)
    ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "recv"), -1);
  else
    {
      ACE_DEBUG ((LM_DEBUG, "msg.len = %d, n = %d\n", msg.len, n));

      if (msg.len > 0)
	{
	  // Do some work in here...
	  ACE_DEBUG ((LM_DEBUG, "msg.buf = %s\n", msg.buf));
	}
      return 0;  
    }
}

int 
main (int, char *argv[])
{
  ACE_Service_Config daemon (argv[0]); 

  FIFO_Recv_Handler fr_handler;

  ACE_Reactor::run_event_loop ();

  return 0;
}