1 files changed, 86 insertions, 0 deletions
diff --git a/TAO/CIAO/DAnCE/NodeApplicationManager/HTTP_Handler.h b/TAO/CIAO/DAnCE/NodeApplicationManager/HTTP_Handler.h
new file mode 100644
index 00000000000..d1e9aae2894
--- /dev/null
+++ b/TAO/CIAO/DAnCE/NodeApplicationManager/HTTP_Handler.h
@@ -0,0 +1,86 @@
+
+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ *  @file    HTTP_Handler.h
+ *
+ *  $Id$
+ *
+ *   HTTP_Handler is a base class for HTTP_Reader and
+ *   HTTP_Writer which are created in response to calls to
+ *   read/write, as appropriate
+ *
+ *
+ *  @author Stoyan Paunov
+ */
+//=============================================================================
+
+
+#ifndef HTTP_HANDLER_H
+#define HTTP_HANDLER_H
+
+#include "ace/SOCK_Stream.h"
+#include "ace/Svc_Handler.h"
+#include "ace/Message_Block.h"
+
+/**
+ * @class HTTP_Handler
+ * class to retrieve data via HTTP
+ */
+class HTTP_Handler : public ACE_Svc_Handler <ACE_SOCK_STREAM, ACE_NULL_SYNCH>
+{
+public:
+  /// Null constructor, insures that it works properly with Connector
+  HTTP_Handler (void);
+
+  /// Always use this constructor to make HTTP_Handlers
+  HTTP_Handler (ACE_Message_Block *mb,
+                ACE_TCHAR *filename);
+
+  /// returns the number of bytes read/written in the last operation.
+  size_t byte_count (void);
+
+  /// Activate this instance of the <HTTP_Handler>
+  virtual int open (void * = 0);
+
+  /// Close down the Blob
+  virtual int close (u_long flags = 0);
+
+  ~HTTP_Handler (void);
+
+protected:
+  virtual int send_request (void);
+  virtual int receive_reply (void);
+
+  ACE_Message_Block *mb_;
+  ACE_TCHAR *filename_;
+  size_t bytecount_;
+  enum
+  {
+    /// The handler assumes that the first 2048 bytes of a server response
+    /// contains the header
+    MAX_HEADER_SIZE = 2048,
+
+    /// set the MAX_TRANSMISSION_UNIT (MTU) = BUFSIZ as defined by OS
+    MTU = BUFSIZ
+  };
+};
+
+class HTTP_Reader : public HTTP_Handler
+{
+public:
+  HTTP_Reader (ACE_Message_Block *mb,
+                   ACE_TCHAR *filename,
+                   const char *request_prefix = "GET",
+                   const char *request_suffix = "HTTP/1.0\r\n\r\n");
+
+private:
+  //NOTE: these functions return -1 on error
+  int send_request (void);
+  int receive_reply (void);
+  const char *request_prefix_;
+  const char *request_suffix_;
+};
+
+#endif /* HTTP_HANDLER_H */