// This may look like C, but it's really -*- C++ -*-
// $Id$


// ============================================================================
//
// = LIBRARY
//    TAO
//
// = FILENAME
//    UIOP_Acceptor.h
//
// = DESCRIPTION
//    Unix Domain Socket (UIOP) specific acceptor processing
//
// = AUTHOR
//    Fred Kuhns <fredk@cs.wustl.edu>
//    Ossama Othman <othman@cs.wustl.edu>
//
// ============================================================================

#ifndef TAO_UIOP_ACCEPTOR_H
#define TAO_UIOP_ACCEPTOR_H
#include "ace/pre.h"

#include "tao/Pluggable.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

# if TAO_HAS_UIOP == 1

#include "ace/Acceptor.h"
#include "ace/LSOCK_Acceptor.h"
#include "tao/UIOP_Connect.h"
#include "tao/Acceptor_Impl.h"

// TAO UIOP_Acceptor concrete call defination

class TAO_Export TAO_UIOP_Acceptor : public TAO_Acceptor
{
  // = TITLE
  //   The UIOP-specific bridge class for the concrete acceptor.
  //
  // = DESCRIPTION
  //
public:
  // TAO_UIOP_Acceptor (ACE_UNIX_Addr &addr);
  // Create Acceptor object using addr.

  TAO_UIOP_Acceptor (CORBA::Boolean flag = 0);
  // Create Acceptor object using addr.

  virtual ~TAO_UIOP_Acceptor (void);
  // Destructor

  typedef ACE_Strategy_Acceptor<TAO_UIOP_Server_Connection_Handler, ACE_LSOCK_ACCEPTOR> TAO_UIOP_BASE_ACCEPTOR;
  typedef TAO_Creation_Strategy<TAO_UIOP_Server_Connection_Handler> TAO_UIOP_CREATION_STRATEGY;
  typedef TAO_Concurrency_Strategy<TAO_UIOP_Server_Connection_Handler> TAO_UIOP_CONCURRENCY_STRATEGY;
  typedef TAO_Accept_Strategy<TAO_UIOP_Server_Connection_Handler, ACE_LSOCK_ACCEPTOR> TAO_UIOP_ACCEPT_STRATEGY;

  // = The TAO_Acceptor methods, check the documentation in
  //   Pluggable.h for details.
  virtual int open (TAO_ORB_Core *orb_core,
                    int version_major,
                    int version_minor,
                    const char *address,
                    const char *options = 0);
  virtual int open_default (TAO_ORB_Core *orb_core,
                            int version_major,
                            int version_minor,
                            const char *options = 0);
  virtual int close (void);
  virtual int create_mprofile (const TAO_ObjectKey &object_key,
                               TAO_MProfile &mprofile);
  virtual int is_collocated (const TAO_Endpoint* endpoint);
  virtual CORBA::ULong endpoint_count (void);

  virtual int object_key (IOP::TaggedProfile &profile,
                          TAO_ObjectKey &key);
private:
  int open_i (const char *rendezvous);
  // Implement the common part of the open*() methods

  void rendezvous_point (ACE_UNIX_Addr &, const char *rendezvous);
  // Set the rendezvous point and verify that it is
  // valid (e.g. wasn't truncated because it was too long).

  int parse_options (const char *options);
  // Parse protocol specific options.

  int init_uiop_properties (void);
  // Obtains uiop properties that must be used by this acceptor, i.e.,
  // initializes <uiop_properties_>.

  int create_rt_mprofile (const TAO_ObjectKey &object_key,
                          TAO_MProfile &mprofile);
  // Rather than creating a separate profile for each endpoint, this
  // version of <create_mprofile> method adds all endpoints to a
  // single UIOP profile, i.e., <mprofile> will not contain more than
  // one UIOP_Profile, no matter how many acceptors there are.

  int create_profile (const TAO_ObjectKey &object_key,
                      TAO_MProfile &mprofile);
  // Create a UIOP profile representing this acceptor.  This method
  // factors out common functionality of <create_mprofile> and
  // <create_rt_mprofile>.

private:
  TAO_UIOP_BASE_ACCEPTOR base_acceptor_;
  // the concrete acceptor, as a pointer to its base class.

  TAO_UIOP_CREATION_STRATEGY *creation_strategy_;
  TAO_UIOP_CONCURRENCY_STRATEGY *concurrency_strategy_;
  TAO_UIOP_ACCEPT_STRATEGY *accept_strategy_;
  // Acceptor strategies.

  TAO_GIOP_Version version_;
  // The GIOP version for this endpoint

  TAO_ORB_Core *orb_core_;
  // ORB Core.

  int unlink_on_close_;
  // Flag that determines whether or not the rendezvous point should
  // be unlinked on close.  This is really only used when an error
  // occurs.

  CORBA::Boolean lite_flag_;
  // Should we use GIOP lite??

  TAO_UIOP_Handler_Base::UIOP_Properties uiop_properties_;
  // Properties for all connections accepted by this acceptor.
};

# endif /* TAO_HAS_UIOP == 1 */

#include "ace/post.h"
#endif  /* TAO_UIOP_ACCEPTOR_H */