2 * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
27 #ifndef EVENT2_HTTP_STRUCT_H_INCLUDED_
28 #define EVENT2_HTTP_STRUCT_H_INCLUDED_
30 /** @file event2/http_struct.h
32 Data structures for http. Using these structures may hurt forward
33 compatibility with later versions of Libevent: be careful!
41 #include <event2/event-config.h>
42 #ifdef EVENT__HAVE_SYS_TYPES_H
43 #include <sys/types.h>
45 #ifdef EVENT__HAVE_SYS_TIME_H
50 #include <event2/util.h>
53 * the request structure that a server receives.
54 * WARNING: expect this structure to change. I will try to provide
55 * reasonable accessors.
57 struct evhttp_request {
58 #if defined(TAILQ_ENTRY)
59 TAILQ_ENTRY(evhttp_request) next;
62 struct evhttp_request *tqe_next;
63 struct evhttp_request **tqe_prev;
67 /* the connection object that this request belongs to */
68 struct evhttp_connection *evcon;
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
81 struct evkeyvalq *input_headers;
82 struct evkeyvalq *output_headers;
84 /* address of the remote host and the port connection came from */
86 ev_uint16_t remote_port;
88 /* cache of the hostname for evhttp_request_get_host */
91 enum evhttp_request_kind kind;
92 enum evhttp_cmd_type type;
97 char *uri; /* uri after HTTP request was parsed */
98 struct evhttp_uri *uri_elems; /* uri elements */
100 char major; /* HTTP Major number */
101 char minor; /* HTTP Minor number */
103 int response_code; /* HTTP Response code */
104 char *response_code_line; /* Readable response */
106 struct evbuffer *input_buffer; /* read data */
108 unsigned chunked:1, /* a chunked request */
109 userdone:1; /* the user has sent all data */
111 struct evbuffer *output_buffer; /* outgoing post or data */
114 void (*cb)(struct evhttp_request *, void *);
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.
122 void (*chunk_cb)(struct evhttp_request *, void *);
125 * Callback added for forked-daapd so they can collect ICY
126 * (shoutcast) metadata from the http header. If return
127 * int is negative the connection will be closed.
129 int (*header_cb)(struct evhttp_request *, void *);
132 * Error callback - called when error is occured.
133 * @see evhttp_request_error for error types.
135 * @see evhttp_request_set_error_cb()
137 void (*error_cb)(enum evhttp_request_error, void *);
140 * Send complete callback - called when the request is actually
141 * sent and completed.
143 void (*on_complete_cb)(struct evhttp_request *, void *);
144 void *on_complete_cb_arg;
151 #endif /* EVENT2_HTTP_STRUCT_H_INCLUDED_ */