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// This may look like C, but it's really -*- C++ -*-
// ===================================================================
/**
* @file DIOP_Connection_Handler.h
*
* $Id$
*
* @author Originally by Chris Cleeland as DIOP_Connect.h
* @author modified by Balachandran Natarajan <bala@cs.wustl.edu>
*/
// ===================================================================
#ifndef TAO_DIOP_CONNECTION_HANDLER_H
#define TAO_DIOP_CONNECTION_HANDLER_H
#include "ace/pre.h"
#include "ace/Reactor.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Acceptor.h"
#include "tao/corbafwd.h"
#include "tao/Wait_Strategy.h"
#include "tao/Connection_Handler.h"
#include "DIOP_Transport.h"
//#include "tao/DIOPC.h"
#include "ace/SOCK_Dgram.h"
#include "diop_export.h"
// Forward Decls
class TAO_Pluggable_Messaging;
// ****************************************************************
/**
* @class TAO_DIOP_Properties
*
* @brief TCP protocol properties specification for a set of
* connections.
*
*/
class TAO_DIOP_Export TAO_DIOP_Properties
{
public:
int send_buffer_size;
int recv_buffer_size;
int no_delay;
};
// ****************************************************************
/**
* @class TAO_DIOP_Connection_Handler
*
* @brief Handles requests on a single connection.
*
* The Connection handler which is common for the Acceptor and
* the Connector
*/
class TAO_DIOP_Export TAO_DIOP_Connection_Handler : public TAO_DIOP_SVC_HANDLER,
public TAO_Connection_Handler
{
public:
TAO_DIOP_Connection_Handler (ACE_Thread_Manager* t = 0);
/// Constructor. <arg> parameter is used by the Acceptor to pass the
/// protocol configuration properties for this connection.
TAO_DIOP_Connection_Handler (TAO_ORB_Core *orb_core,
CORBA::Boolean flag,
void *arg);
/// Destructor.
~TAO_DIOP_Connection_Handler (void);
/// Called by the <Strategy_Acceptor> when the handler is completely
/// connected. Argument is unused.
virtual int open (void *);
// @@ Frank: Similar to open, but called on server
virtual int open_server (void);
/// = Active object activation method.
virtual int activate (long flags = THR_NEW_LWP,
int n_threads = 1,
int force_active = 0,
long priority = ACE_DEFAULT_THREAD_PRIORITY,
int grp_id = -1,
ACE_Task_Base *task = 0,
ACE_hthread_t thread_handles[] = 0,
void *stack[] = 0,
size_t stack_size[] = 0,
ACE_thread_t thread_names[] = 0);
/// Only used when the handler is turned into an active object by
/// calling <activate>. This serves as the event loop in such cases.
virtual int svc (void);
/// Perform appropriate closing.
virtual int handle_close (ACE_HANDLE = ACE_INVALID_HANDLE,
ACE_Reactor_Mask = ACE_Event_Handler::NULL_MASK);
/// Return the underlying handle
virtual ACE_HANDLE fetch_handle (void);
/// Add ourselves to Cache.
int add_transport_to_cache (void);
// @@ Frank: Not needed
/*
/// Process the <listen_list>
int process_listen_point_list (DIOP::ListenPointList &listen_list);
*/
// DIOP Additions - Begin
ACE_HANDLE get_handle (void) const;
const ACE_INET_Addr &addr (void);
void addr (const ACE_INET_Addr &addr);
const ACE_INET_Addr &local_addr (void);
void local_addr (const ACE_INET_Addr &addr);
const ACE_INET_Addr &server_addr (void);
void server_addr (const ACE_INET_Addr &addr);
const ACE_SOCK_Dgram &dgram (void);
// DIOP Additions - End
protected:
/// = Event Handler overloads
/// Reads a message from the <peer()>, dispatching and servicing it
/// appropriately.
/// handle_input() just delegates on handle_input_i() which timeouts
/// after <max_wait_time>, this is used in thread-per-connection to
/// ensure that server threads eventually exit.
virtual int handle_input (ACE_HANDLE = ACE_INVALID_HANDLE);
virtual int handle_input_i (ACE_HANDLE = ACE_INVALID_HANDLE,
ACE_Time_Value *max_wait_time = 0);
virtual int handle_cleanup ();
// DIOP Additions - Begin
ACE_SOCK_Dgram udp_socket_;
// This is always the remote address
ACE_INET_Addr addr_;
// This is always the local address for the connector
ACE_INET_Addr local_addr_;
// DIOP Additions - End
private:
/// Count nested upcalls on this
/// svc_handler i.e., the connection can close during nested upcalls,
/// you should not delete the svc_handler until the stack unwinds
/// from the nested upcalls.
u_long pending_upcalls_;
/// TCP configuration for this connection.
TAO_DIOP_Properties *tcp_properties_;
};
#if defined (__ACE_INLINE__)
#include "DIOP_Connection_Handler.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* TAO_DIOP_CONNECTION_HANDLER_H */
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