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Diffstat (limited to 'TAO/tao/SHMIOP_Transport.h')
| -rw-r--r-- | TAO/tao/SHMIOP_Transport.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/TAO/tao/SHMIOP_Transport.h b/TAO/tao/SHMIOP_Transport.h new file mode 100644 index 00000000000..f5a8fbabf18 --- /dev/null +++ b/TAO/tao/SHMIOP_Transport.h @@ -0,0 +1,166 @@ +// This may look like C, but it's really -*- C++ -*- +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO +// +// = FILENAME +// SHMIOP_Transport.h +// +// = DESCRIPTION +// IIOP Transport specific processing +// +// = AUTHOR +// Nanbor Wang <nanbor@cs.wustl.edu> +// +// ============================================================================ + +#ifndef TAO_SHMIOP_TRANSPORT_H +#define TAO_SHMIOP_TRANSPORT_H + +#include "tao/Pluggable.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "tao/GIOP.h" + +// Forward decls. +class TAO_SHMIOP_Handler_Base; +class TAO_SHMIOP_Client_Connection_Handler; +class TAO_SHMIOP_Server_Connection_Handler; +class TAO_ORB_Core; + +class TAO_Export TAO_SHMIOP_Transport : public TAO_Transport +{ + // = TITLE + // This class acts as a bridge class to the transport specific + // connection handler (handler_). + // + // = DESCRIPTION + // Specialization of the base TAO_Transport class to handle the IIOP + // protocol. This class in turn will be further specialized for + // the client and server side. +public: + TAO_SHMIOP_Transport (TAO_SHMIOP_Handler_Base *handler, + TAO_ORB_Core *orb_core); + // Base object's creator method. + + ~TAO_SHMIOP_Transport (void); + // Default destructor. + + TAO_SHMIOP_Handler_Base *&handler (void); + // Return a reference to the corresponding connection handler. + + // = The TAO_Transport methods, please check the documentation in + // "tao/Pluggable.h" for more details. + virtual void close_connection (void); + virtual int idle (void); + virtual ACE_HANDLE handle (void); + virtual ACE_Event_Handler *event_handler (void); + virtual ssize_t send (TAO_Stub *stub, + const ACE_Message_Block *mblk, + const ACE_Time_Value *s = 0); + virtual ssize_t send (const ACE_Message_Block *mblk, + const ACE_Time_Value *s = 0); + virtual ssize_t send (const u_char *buf, + size_t len, + const ACE_Time_Value *s = 0); + virtual ssize_t recv (char *buf, + size_t len, + const ACE_Time_Value *s = 0); + virtual int send_request (TAO_Stub *stub, + TAO_ORB_Core *orb_core , + TAO_OutputCDR &stream, + int twoway, + ACE_Time_Value *max_wait_time); + +protected: + TAO_SHMIOP_Handler_Base *handler_; + // the connection service handler used for accessing lower layer + // communication protocols. +}; + +class TAO_Export TAO_SHMIOP_Client_Transport : public TAO_SHMIOP_Transport +{ + // = TITLE + // The Transport class used for Client side communication with a + // server. + // + // = DESCRIPTION + // Specialization of the TAO_SHMIOP_Transport class for client + // side. Methods related to sending one and two way requests + // lives here. +public: + TAO_SHMIOP_Client_Transport (TAO_SHMIOP_Client_Connection_Handler *handler, + TAO_ORB_Core *orb_core); + // Constructor. Note, TAO_SHMIOP_Handler_Base is the base class for + // both TAO_SHMIOP_Client_Connection_Handler and + // TAO_SHMIOP_Server_Connection_Handler. + + ~TAO_SHMIOP_Client_Transport (void); + // destructor + + TAO_SHMIOP_Client_Connection_Handler *client_handler (void); + // return a pointer to the client's connection handler. + + // = The TAO_Transport methods, please check the documentation in + // "tao/Pluggable.h" for more details. + virtual void start_request (TAO_ORB_Core *orb_core, + const TAO_Profile *profile, + TAO_OutputCDR &output, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + virtual void start_locate (TAO_ORB_Core *orb_core, + const TAO_Profile *profile, + CORBA::ULong request_id, + TAO_OutputCDR &output, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + virtual int send_request (TAO_Stub *stub, + TAO_ORB_Core *orb_core, + TAO_OutputCDR &stream, + int twoway, + ACE_Time_Value *max_wait_time); + virtual int handle_client_input (int block = 0, + ACE_Time_Value *max_time_value = 0); + virtual int register_handler (void); + +private: + TAO_SHMIOP_Client_Connection_Handler *client_handler_; + // pointer to the corresponding client side connection handler. +}; + +// **************************************************************** + +class TAO_Export TAO_SHMIOP_Server_Transport : public TAO_SHMIOP_Transport +{ + // = TITLE + // The Transport class used for server communication with a + // connected client. + // + // = DESCRIPTION + // Specialization of the TAO_SHMIOP_Transport class for the server side. + // methods for reading messages (requests) and sending replies live + // here. +public: + + TAO_SHMIOP_Server_Transport (TAO_SHMIOP_Server_Connection_Handler *handler, + TAO_ORB_Core *orb_core); + // Default creator method. + + ~TAO_SHMIOP_Server_Transport (void); + // Default destructor + + TAO_SHMIOP_Server_Connection_Handler *server_handler_; + // Pointer to the corresponding connection handler. + + TAO_GIOP_Message_State message_state_; + // This keep the state of the current message, to enable + // non-blocking reads, fragment reassembly, etc. +}; + +#endif /* TAO_SHMIOP_TRANSPORT_H */ |