src/adaptation/icap/InOut.h

   1 /*
   2  * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_ICAPINOUT_H
  10 #define SQUID_ICAPINOUT_H
  11
  12 #include "HttpMsg.h"
  13 #include "HttpReply.h"
  14 #include "HttpRequest.h"
  15
  16 // IcapInOut manages a pointer to the HTTP message being worked on.
  17 // For HTTP responses, request header information is also available
  18 // as the "cause". ICAP transactions use this class to store virgin
  19 // and adapted HTTP messages.
  20
  21 namespace Adaptation
  22 {
  23 namespace Icap
  24 {
  25
  26 class InOut
  27 {
  28
  29 public:
  30     typedef HttpMsg Header;
  31
  32     InOut(): header(0), cause(0) {}
  33
  34     ~InOut() {
  35         HTTPMSGUNLOCK(cause);
  36         HTTPMSGUNLOCK(header);
  37     }
  38
  39     void setCause(HttpRequest *r) {
  40         if (r) {
  41             HTTPMSGUNLOCK(cause);
  42             cause = r;
  43             HTTPMSGLOCK(cause);
  44         } else {
  45             assert(!cause);
  46         }
  47     }
  48
  49     void setHeader(Header *h) {
  50         HTTPMSGUNLOCK(header);
  51         header = h;
  52         HTTPMSGLOCK(header);
  53         body_pipe = header->body_pipe;
  54     }
  55
  56 public:
  57     // virgin or adapted message being worked on
  58     Header *header;   // parsed HTTP status/request line and headers
  59
  60     // HTTP request header for HTTP responses (the cause of the response)
  61     HttpRequest *cause;
  62
  63     // Copy of header->body_pipe, in case somebody moves the original.
  64     BodyPipe::Pointer body_pipe;
  65 };
  66
  67 // TODO: s/Header/Message/i ?
  68
  69 } // namespace Icap
  70 } // namespace Adaptation
  71
  72 #endif /* SQUID_ICAPINOUT_H */
  73