ChangeLogTag: Thu Dec 7 17:36:47 2000 Balachandran Natarajan <bala@cs.wustl.edu>

1 files changed, 126 insertions, 0 deletions

diff --git a/TAO/tao/GIOP_Message_Generator_Parser.h b/TAO/tao/GIOP_Message_Generator_Parser.h
new file mode 100644
index 00000000000..73228199d17
--- /dev/null
+++ b/TAO/tao/GIOP_Message_Generator_Parser.h
@@ -0,0 +1,126 @@
+
+// -*- C++ -*-
+// ===================================================================
+/**
+ *  @file   GIOP_Message_Generator_Parser.h
+ *
+ *  $Id$
+ *
+ *  @author Balachandran Natarajan <bala@cs.wustl.edu>
+ */
+// ===================================================================
+
+#ifndef TAO_GIOP_MESSAGE_GENERATOR_PARSER_H
+#define TAO_GIOP_MESSAGE_GENERATOR_PARSER_H
+#include "ace/pre.h"
+
+#include "tao/corbafwd.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#if defined(_MSC_VER)
+#if (_MSC_VER >= 1200)
+#pragma warning(push)
+#endif /* _MSC_VER >= 1200 */
+#pragma warning(disable:4250)
+#endif /* _MSC_VER */
+
+class TAO_Operation_Details;
+class TAO_Target_Specification;
+class TAO_OutputCDR;
+class TAO_InputCDR;
+class TAO_Pluggable_Reply_Params;
+class TAO_GIOP_Locate_Status_Msg;
+class TAO_GIOP_Locate_Request_Header;
+class TAO_Tagged_Profile;
+
+/**
+ * @class TAO_GIOP_Message_Generator_Parser
+ *
+ * @brief Base class for the GIOP Message generator and parser
+ *
+ * Version specific classes would inherit from this class. Strategy to
+ * determine which version of the GIOP request have we received and
+ * which version do we need to use to send messages.
+ */
+
+class TAO_Export TAO_GIOP_Message_Generator_Parser
+{
+public:
+
+  /// Write the request header in to <msg>
+  virtual int write_request_header (
+      const TAO_Operation_Details &opdetails,
+      TAO_Target_Specification &spec,
+      TAO_OutputCDR &msg) = 0;
+
+  /// Write the LocateRequest header
+  virtual int write_locate_request_header (
+      CORBA::ULong request_id,
+      TAO_Target_Specification &spec,
+      TAO_OutputCDR &msg) = 0;
+
+  /// Write the reply header in to <output>
+  virtual int write_reply_header (
+      TAO_OutputCDR &output,
+      TAO_Pluggable_Reply_Params &reply,
+      CORBA::Environment &ACE_TRY_ENV =
+      TAO_default_environment ())
+    ACE_THROW_SPEC ((CORBA::SystemException)) = 0;
+
+  /// Writes the locate _reply message in to the <output>
+  virtual int write_locate_reply_mesg (
+      TAO_OutputCDR &output,
+      CORBA::ULong request_id,
+      TAO_GIOP_Locate_Status_Msg &status) = 0;
+
+  /// Parse the Request Header from the incoming stream. This will do a
+  /// version specific parsing of the incoming Request header
+  virtual int parse_request_header (TAO_ServerRequest &) = 0;
+
+  /// Parse the Loacte Request Header from the incoming stream. This will do a
+  /// version specific parsing of the incoming Request header
+  virtual int parse_locate_header (
+      TAO_GIOP_Locate_Request_Header &) = 0;
+
+  /// Parse the reply message
+  virtual int parse_reply (TAO_InputCDR &input,
+                           TAO_Pluggable_Reply_Params &params);
+
+  /// Parse the locate reply message from the server
+  virtual int parse_locate_reply (TAO_InputCDR &input,
+                                  TAO_Pluggable_Reply_Params &params);
+
+  /// Our versions
+  virtual CORBA::Octet major_version (void) = 0;
+  virtual CORBA::Octet minor_version (void) = 0;
+
+
+protected:
+
+  /// Marshall the reply status
+  void marshal_reply_status (TAO_OutputCDR &output,
+                             TAO_Pluggable_Reply_Params &reply);
+
+  /// Unmarshals the received object key
+  CORBA::Boolean unmarshall_object_key (TAO_ObjectKey &object_key,
+                                        TAO_InputCDR &cdr);
+
+  /// Unmarshall the IOP::TaggedProfile
+  CORBA::Boolean unmarshall_iop_profile (TAO_Tagged_Profile &profile,
+                                         TAO_InputCDR &cdr);
+
+  /// Unmarshalls the GIOP::IORAddressingInfo
+  CORBA::Boolean unmarshall_ref_addr (TAO_Tagged_Profile &profile,
+                                      TAO_InputCDR &cdr);
+
+};
+
+#if defined (__ACE_INLINE__)
+# include "tao/GIOP_Message_Generator_Parser.inl"
+#endif /* __ACE_INLINE__ */
+
+#include "ace/post.h"
+#endif /*TAO_GIOP_MESSAGE_GENERATOR_PARSER_H*/