release/src/router/dnscrypt/src/libevent/include/event2/http_struct.h

   1 /*
   2  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
   3  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27 #ifndef _EVENT2_HTTP_STRUCT_H_
  28 #define _EVENT2_HTTP_STRUCT_H_
  29
  30 /** @file event2/http_struct.h
  31
  32   Data structures for http.  Using these structures may hurt forward
  33   compatibility with later versions of Libevent: be careful!
  34
  35  */
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 #include <event2/event-config.h>
  42 #ifdef _EVENT_HAVE_SYS_TYPES_H
  43 #include <sys/types.h>
  44 #endif
  45 #ifdef _EVENT_HAVE_SYS_TIME_H
  46 #include <sys/time.h>
  47 #endif
  48
  49 /* For int types. */
  50 #include <event2/util.h>
  51
  52 /**
  53  * the request structure that a server receives.
  54  * WARNING: expect this structure to change.  I will try to provide
  55  * reasonable accessors.
  56  */
  57 struct evhttp_request {
  58 #if defined(TAILQ_ENTRY)
  59         TAILQ_ENTRY(evhttp_request) next;
  60 #else
  61 struct {
  62         struct evhttp_request *tqe_next;
  63         struct evhttp_request **tqe_prev;
  64 }       next;
  65 #endif
  66
  67         /* the connection object that this request belongs to */
  68         struct evhttp_connection *evcon;
  69         int flags;
  70 /** The request obj owns the evhttp connection and needs to free it */
  71 #define EVHTTP_REQ_OWN_CONNECTION       0x0001
  72 /** Request was made via a proxy */
  73 #define EVHTTP_PROXY_REQUEST            0x0002
  74 /** The request object is owned by the user; the user must free it */
  75 #define EVHTTP_USER_OWNED               0x0004
  76 /** The request will be used again upstack; freeing must be deferred */
  77 #define EVHTTP_REQ_DEFER_FREE           0x0008
  78 /** The request should be freed upstack */
  79 #define EVHTTP_REQ_NEEDS_FREE           0x0010
  80
  81         struct evkeyvalq *input_headers;
  82         struct evkeyvalq *output_headers;
  83
  84         /* address of the remote host and the port connection came from */
  85         char *remote_host;
  86         ev_uint16_t remote_port;
  87
  88         /* cache of the hostname for evhttp_request_get_host */
  89         char *host_cache;
  90
  91         enum evhttp_request_kind kind;
  92         enum evhttp_cmd_type type;
  93
  94         size_t headers_size;
  95         size_t body_size;
  96
  97         char *uri;                      /* uri after HTTP request was parsed */
  98         struct evhttp_uri *uri_elems;   /* uri elements */
  99
 100         char major;                     /* HTTP Major number */
 101         char minor;                     /* HTTP Minor number */
 102
 103         int response_code;              /* HTTP Response code */
 104         char *response_code_line;       /* Readable response */
 105
 106         struct evbuffer *input_buffer;  /* read data */
 107         ev_int64_t ntoread;
 108         unsigned chunked:1,             /* a chunked request */
 109             userdone:1;                 /* the user has sent all data */
 110
 111         struct evbuffer *output_buffer; /* outgoing post or data */
 112
 113         /* Callback */
 114         void (*cb)(struct evhttp_request *, void *);
 115         void *cb_arg;
 116
 117         /*
 118          * Chunked data callback - call for each completed chunk if
 119          * specified.  If not specified, all the data is delivered via
 120          * the regular callback.
 121          */
 122         void (*chunk_cb)(struct evhttp_request *, void *);
 123 };
 124
 125 #ifdef __cplusplus
 126 }
 127 #endif
 128
 129 #endif /* _EVENT2_HTTP_STRUCT_H_ */
 130