diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/PortableGroup/UIPMC_Transport.h')
-rw-r--r-- | TAO/orbsvcs/orbsvcs/PortableGroup/UIPMC_Transport.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/PortableGroup/UIPMC_Transport.h b/TAO/orbsvcs/orbsvcs/PortableGroup/UIPMC_Transport.h new file mode 100644 index 00000000000..634b85c0b1a --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/PortableGroup/UIPMC_Transport.h @@ -0,0 +1,131 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file UIPMC_Transport.h + * + * $Id$ + * + * @author Frank Hunleth <fhunleth@cs.wustl.edu> + */ +//============================================================================= + +#ifndef TAO_UIPMC_TRANSPORT_H +#define TAO_UIPMC_TRANSPORT_H +#include /**/ "ace/pre.h" + +#include "orbsvcs/PortableGroup/portablegroup_export.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "tao/Transport.h" + +#include "ace/SOCK_Stream.h" +#include "ace/Svc_Handler.h" + +TAO_BEGIN_VERSIONED_NAMESPACE_DECL + +// Forward decls. +class TAO_UIPMC_Connection_Handler; +class TAO_ORB_Core; +class TAO_Operation_Details; +class TAO_Pluggable_Messaging; +class TAO_Acceptor; + +// Service Handler for this transport +typedef ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH> + TAO_UIPMC_SVC_HANDLER; + +#if defined ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT +template class TAO_PortableGroup_Export ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>; +#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT */ + +/** + * @class TAO_UIPMC_Transport + * + * @brief Specialization of the base TAO_Transport class to handle the + * MIOP protocol. + */ +class TAO_PortableGroup_Export TAO_UIPMC_Transport : public TAO_Transport +{ +public: + + /// Constructor. + TAO_UIPMC_Transport (TAO_UIPMC_Connection_Handler *handler, + TAO_ORB_Core *orb_core, + CORBA::Boolean flag); + + /// Default destructor. + ~TAO_UIPMC_Transport (void); + + /// Look for the documentation in Transport.h. + virtual int handle_input (TAO_Resume_Handle &rh, + ACE_Time_Value *max_wait_time = 0, + int block = 0); +protected: + /** @name Overridden Template Methods + * + * These are implementations of template methods declared by TAO_Transport. + */ + //@{ + + virtual ACE_Event_Handler * event_handler_i (void); + virtual TAO_Connection_Handler *connection_handler_i (void); + virtual TAO_Pluggable_Messaging *messaging_object (void); + + /// Write the complete Message_Block chain to the connection. + virtual ssize_t send (iovec *iov, int iovcnt, + size_t &bytes_transferred, + const ACE_Time_Value *max_wait_time); + + + /// Read len bytes from into buf. + virtual ssize_t recv (char *buf, + size_t len, + const ACE_Time_Value *s = 0); + + virtual int register_handler (void); + +public: + /// @@TODO: These methods IMHO should have more meaningful + /// names. The names seem to indicate nothing. + virtual int send_request (TAO_Stub *stub, + TAO_ORB_Core *orb_core, + TAO_OutputCDR &stream, + int message_semantics, + ACE_Time_Value *max_wait_time); + + virtual int send_message (TAO_OutputCDR &stream, + TAO_Stub *stub = 0, + int message_semantics = TAO_Transport::TAO_TWOWAY_REQUEST, + ACE_Time_Value *max_time_wait = 0); + + /// Initialising the messaging object + virtual int messaging_init (CORBA::Octet major, + CORBA::Octet minor); + + //@} + +private: + /// Process the message that we have read. + int process_message (void); + + /// Construct and write a unique ID to the MIOP header. + void write_unique_id (TAO_OutputCDR &miop_hdr, unsigned long unique); + +private: + + /// The connection service handler used for accessing lower layer + /// communication protocols. + TAO_UIPMC_Connection_Handler *connection_handler_; + + /// Our messaging object. + TAO_Pluggable_Messaging *messaging_object_; +}; + +TAO_END_VERSIONED_NAMESPACE_DECL + +#include /**/ "ace/post.h" +#endif /* TAO_UIPMC_TRANSPORT_H */ |