src/http/StateFlags.h

   1 /*
   2  * Copyright (C) 1996-2019 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_SRC_HTTP_STATEFLAGS_H
  10 #define SQUID_SRC_HTTP_STATEFLAGS_H
  11
  12 namespace Http
  13 {
  14
  15 class StateFlags
  16 {
  17 public:
  18     unsigned int front_end_https = 0; ///< send "Front-End-Https: On" header (off/on/auto=2)
  19     bool keepalive = false; ///< whether to keep the connection persistent
  20     bool only_if_cached = false;
  21     bool handling1xx = false;       ///< we are ignoring or forwarding 1xx response
  22     bool headers_parsed = false;
  23
  24     /// Whether the next TCP hop is a cache_peer, including originserver
  25     bool peering = false;
  26
  27     /// Whether this request is being forwarded inside a CONNECT tunnel
  28     /// through a [non-originserver] cache_peer; implies peering and toOrigin
  29     bool tunneling = false;
  30
  31     /// Whether the next HTTP hop is an origin server, including an
  32     /// originserver cache_peer. The three possible cases are:
  33     /// -# a direct TCP/HTTP connection to an origin server,
  34     /// -# a direct TCP/HTTP connection to an originserver cache_peer, and
  35     /// -# a CONNECT tunnel through a [non-originserver] cache_peer [to an origin server]
  36     /// Thus, toOrigin is false only when the HTTP request is sent over
  37     ///    a direct TCP/HTTP connection to a non-originserver cache_peer.
  38     bool toOrigin = false;
  39
  40     /// Whether the next TCP/HTTP hop is an originserver cache_peer.
  41     bool toOriginPeer() const { return toOrigin && peering && !tunneling; }
  42
  43     bool keepalive_broken = false;
  44     bool abuse_detected = false;
  45     bool request_sent = false;
  46     bool do_next_read = false;
  47     bool chunked = false;           ///< reading a chunked response; TODO: rename
  48     bool chunked_request = false;   ///< writing a chunked request
  49     bool sentLastChunk = false;     ///< do not try to write last-chunk again
  50 };
  51
  52 } // namespace Http
  53
  54 #endif /* SQUID_SRC_HTTP_STATEFLAGS_H */
  55