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authorWilliam R. Otte <wotte@dre.vanderbilt.edu>2006-07-24 15:50:21 +0000
committerWilliam R. Otte <wotte@dre.vanderbilt.edu>2006-07-24 15:50:21 +0000
commit0e49389337be86641451a5c36c24bf742fe97523 (patch)
tree197c810e5f5bce17b1233a7cb8d7b50c0bcd25e2 /TAO/tao/IIOP_Connection_Handler.h
parent8008dd09ccf88d4edef237a184a698cac42f2952 (diff)
downloadATCD-0e49389337be86641451a5c36c24bf742fe97523.tar.gz
Repo restructuring
Diffstat (limited to 'TAO/tao/IIOP_Connection_Handler.h')
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+// -*- C++ -*-
+
+// ===================================================================
+/**
+ * @file IIOP_Connection_Handler.h
+ *
+ * $Id$
+ *
+ * @author Originally by Chris Cleeland as IIOP_Connect.h
+ * @author Balachandran Natarajan <bala@cs.wustl.edu>
+ */
+// ===================================================================
+
+#ifndef TAO_IIOP_CONNECTION_HANDLER_H
+#define TAO_IIOP_CONNECTION_HANDLER_H
+
+#include /**/ "ace/pre.h"
+
+#include "tao/orbconf.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#if defined (TAO_HAS_IIOP) && (TAO_HAS_IIOP != 0)
+
+#include "tao/Connection_Handler.h"
+#include "tao/Basic_Types.h"
+
+#include "ace/SOCK_Stream.h"
+#include "ace/Svc_Handler.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/// Service Handler for this transport
+typedef ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>
+ TAO_IIOP_SVC_HANDLER;
+
+#if defined ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT
+template class TAO_Export ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>;
+#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT */
+
+namespace IIOP
+{
+ class ListenPointList;
+}
+
+// Forward Decls
+class TAO_Pluggable_Messaging;
+
+// ****************************************************************
+
+/**
+ * @class TAO_IIOP_Connection_Handler
+ *
+ * @brief Handles requests on a single connection.
+ *
+ * The Connection handler which is common for the Acceptor and
+ * the Connector
+ */
+class TAO_Export TAO_IIOP_Connection_Handler : public TAO_IIOP_SVC_HANDLER,
+ public TAO_Connection_Handler
+{
+
+public:
+
+ TAO_IIOP_Connection_Handler (ACE_Thread_Manager * = 0);
+
+ /// Constructor.
+ TAO_IIOP_Connection_Handler (TAO_ORB_Core *orb_core,
+ CORBA::Boolean flag);
+
+ /// Destructor.
+ ~TAO_IIOP_Connection_Handler (void);
+
+ /// Called by the @c Strategy_Acceptor when the handler is completely
+ /// connected. Argument is unused.
+ virtual int open (void *);
+
+ /// Close called by the Acceptor or Connector when connection
+ /// establishment fails.
+ int close (u_long = 0);
+
+ //@{
+ /** @name Event Handler overloads
+ */
+ virtual int resume_handler (void);
+ virtual int close_connection (void);
+ virtual int handle_input (ACE_HANDLE);
+ virtual int handle_output (ACE_HANDLE);
+ virtual int handle_close (ACE_HANDLE, ACE_Reactor_Mask);
+ virtual int handle_timeout (const ACE_Time_Value &current_time,
+ const void *act = 0);
+ //@}
+
+ /// Add ourselves to Cache.
+ int add_transport_to_cache (void);
+
+ /// Process the @a listen_list
+ int process_listen_point_list (IIOP::ListenPointList &listen_list);
+
+ /// Check if network priority needs to be enabled
+ int enable_network_priority (void);
+
+ /// Set Diff-Serv codepoint on outgoing packets.
+ int set_dscp_codepoint (CORBA::Boolean set_network_priority);
+
+ virtual int open_handler (void *);
+
+ /// This is used during a canceled connection attempt. Force the
+ /// SO_LINGER timeout to 0 so that when the peer is closed, it won't
+ /// hang around.
+ void abort (void);
+
+protected:
+
+ /// Constructor that could be used by the derived classes.
+ /**
+ * Sometimes new pluggable protocols which have similarities with
+ * IIOP may be tempted to this class for their use. Classical
+ * example being that of IIOP_SSL_Connection_Handler. This
+ * constructor just initializes its base class and sets all of its
+ * contents to the default value, if any
+ */
+ TAO_IIOP_Connection_Handler (TAO_ORB_Core *orb_core);
+
+ //@{
+ /**
+ * @name TAO_Connection Handler overloads
+ */
+ virtual int release_os_resources (void);
+ //@}
+
+private:
+
+ /// Stores the type of service value.
+ int dscp_codepoint_;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* TAO_HAS_IIOP && TAO_HAS_IIOP != 0 */
+
+#include /**/ "ace/post.h"
+#endif /* TAO_IIOP_CONNECTION_HANDLER_H */