summaryrefslogtreecommitdiff
path: root/TAO/tao/Strategies/SHMIOP_Transport.h
diff options
context:
space:
mode:
Diffstat (limited to 'TAO/tao/Strategies/SHMIOP_Transport.h')
-rw-r--r--TAO/tao/Strategies/SHMIOP_Transport.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/TAO/tao/Strategies/SHMIOP_Transport.h b/TAO/tao/Strategies/SHMIOP_Transport.h
new file mode 100644
index 00000000000..e44b79d4173
--- /dev/null
+++ b/TAO/tao/Strategies/SHMIOP_Transport.h
@@ -0,0 +1,125 @@
+// -*- C++ -*-
+
+// ===================================================================
+/**
+ * @file SHMIOP_Transport.h
+ *
+ * $Id$
+ *
+ * @author Nanbor Wang <nanbor@cs.wustl.edu>
+ * @author Balachandran Natarajan <bala@cs.wustl.edu>
+ */
+// ===================================================================
+
+#ifndef TAO_SHMIOP_TRANSPORT_H
+#define TAO_SHMIOP_TRANSPORT_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_SHMIOP) && (TAO_HAS_SHMIOP != 0)
+
+#include "tao/Strategies/strategies_export.h"
+#include "ace/Svc_Handler.h"
+#include "ace/MEM_Stream.h"
+#include "tao/Transport.h"
+
+#if defined ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT
+template class TAO_Strategies_Export ACE_Svc_Handler<ACE_MEM_STREAM, ACE_NULL_SYNCH>;
+#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION_EXPORT */
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class TAO_SHMIOP_Connection_Handler;
+class TAO_Pluggable_Messaging;
+class TAO_Target_Specification;
+class Tao_Operation_Details;
+
+typedef ACE_Svc_Handler<ACE_MEM_STREAM, ACE_NULL_SYNCH>
+ TAO_SHMIOP_SVC_HANDLER;
+
+/**
+ * @class TAO_SHMIOP_Transport
+ *
+ * @brief Specialization of the base TAO_Transport class to handle the
+ * SHMIOP protocol.
+ *
+ */
+
+class TAO_Strategies_Export TAO_SHMIOP_Transport : public TAO_Transport
+{
+public:
+
+ /// Constructor.
+ TAO_SHMIOP_Transport (TAO_SHMIOP_Connection_Handler *handler,
+ TAO_ORB_Core *orb_core,
+ CORBA::Boolean flag);
+
+ /// Default destructor.
+ ~TAO_SHMIOP_Transport (void);
+
+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 *timeout = 0);
+
+ /// Read len bytes from into buf.
+ virtual ssize_t recv (char *buf,
+ size_t len,
+ const ACE_Time_Value *s = 0);
+
+ virtual int handle_input (TAO_Resume_Handle &rh,
+ ACE_Time_Value *max_wait_time,
+ int block = 0);
+ //@}
+
+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:
+ /// The connection service handler used for accessing lower layer
+ /// communication protocols.
+ TAO_SHMIOP_Connection_Handler *connection_handler_;
+
+ /// Our messaging object.
+ TAO_Pluggable_Messaging *messaging_object_;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* TAO_HAS_SHMIOP && TAO_HAS_SHMIOP != 0 */
+
+#include /**/ "ace/post.h"
+
+#endif /* TAO_SHMIOP_TRANSPORT_H */