1 files changed, 123 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..bb355b26f05
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+++ b/TAO/tao/GIOP_Message_Generator_Parser.h
@@ -0,0 +1,123 @@
+// -*- 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 "ace/Global_Macros.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "tao/SystemException.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class TAO_Operation_Details;
+class TAO_Target_Specification;
+class TAO_OutputCDR;
+class TAO_InputCDR;
+class TAO_Pluggable_Reply_Params;
+class TAO_Pluggable_Reply_Params_Base;
+class TAO_GIOP_Locate_Status_Msg;
+class TAO_GIOP_Locate_Request_Header;
+class TAO_ServerRequest;
+
+/**
+ * @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:
+
+  virtual ~TAO_GIOP_Message_Generator_Parser (void);
+
+  /// Write the request header in to @a msg
+  virtual bool write_request_header (
+      const TAO_Operation_Details &opdetails,
+      TAO_Target_Specification &spec,
+      TAO_OutputCDR &msg) = 0;
+
+  /// Write the LocateRequest header
+  virtual bool write_locate_request_header (
+      CORBA::ULong request_id,
+      TAO_Target_Specification &spec,
+      TAO_OutputCDR &msg) = 0;
+
+  /// Write the reply header in to @a output
+  virtual bool write_reply_header (
+      TAO_OutputCDR &output,
+      TAO_Pluggable_Reply_Params_Base &reply
+      ACE_ENV_ARG_DECL)
+    ACE_THROW_SPEC ((CORBA::SystemException)) = 0;
+
+  /// Writes the locate _reply message in to the @a output
+  virtual bool write_locate_reply_mesg (
+      TAO_OutputCDR &output,
+      CORBA::ULong request_id,
+      TAO_GIOP_Locate_Status_Msg &status) = 0;
+
+  /// Write the GIOP fragment message header to the output CDR stream
+  /// @a cdr.
+  virtual bool write_fragment_header (TAO_OutputCDR & cdr,
+                                      CORBA::ULong request_id) = 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) const = 0;
+  virtual CORBA::Octet minor_version (void) const = 0;
+
+  /// Is the messaging object ready for processing BiDirectional
+  /// request/response?
+  virtual bool is_ready_for_bidirectional (void) const;
+
+  /// The header length of a fragment
+  virtual size_t fragment_header_length (void) const = 0;
+
+protected:
+
+  /// Marshall the reply status
+  void marshal_reply_status (TAO_OutputCDR &output,
+                             TAO_Pluggable_Reply_Params_Base &reply);
+
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /*TAO_GIOP_MESSAGE_GENERATOR_PARSER_H*/