TAO/examples/Content_Server/AMI_Observer/Push_Web_Server.idl

   1 module Web_Server
   2 // = TITLE
   3 //   IDL schema definition for Web server interface.
   4 {
   5   typedef sequence<octet> Chunk_Type;
   6
   7   interface Callback
   8     {
   9       // This operation is called back by the server to pass
  10       // the next <chunk> of the file starting.  If there are
  11       // no more chunks, <last_chunk> is true.
  12       void next_chunk (in Chunk_Type chunk,
  13                        in boolean last_chunk);
  14     };
  15
  16   exception Error_Result
  17     {
  18       // Status of the <register_callback> operation.  These
  19       // values should map onto the normal HTTP
  20       // status values, e.g., 200 means success, 404
  21       // means "file not found," etc.
  22       short status;
  23     };
  24
  25   struct Metadata_Type
  26   {
  27     // Modification date.
  28     string modification_date;
  29
  30     // Type of content.
  31     string content_type;
  32   };
  33
  34   interface Iterator_Factory
  35     {
  36       // This registration method passes a <Callback> that
  37       // the Web server uses to ``push'' data associated with
  38       // <pathname> one ``chunk'' at a time.  The <metadata>
  39       // reports information about the <pathname>.
  40       Metadata_Type register_callback (in string pathname,
  41                                        in Callback client_callback)
  42         raises (Error_Result);
  43     };
  44 };