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/*
* Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef EVENT2_HTTP_STRUCT_H_INCLUDED_
#define EVENT2_HTTP_STRUCT_H_INCLUDED_
/** @file event2/http_struct.h
Data structures for http. Using these structures may hurt forward
compatibility with later versions of Libevent: be careful!
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <event2/event-config.h>
#ifdef EVENT__HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef EVENT__HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
/* For int types. */
#include <event2/util.h>
/**
* the request structure that a server receives.
* WARNING: expect this structure to change. I will try to provide
* reasonable accessors.
*/
struct evhttp_request {
#if defined(TAILQ_ENTRY)
TAILQ_ENTRY(evhttp_request) next;
#else
struct {
struct evhttp_request *tqe_next;
struct evhttp_request **tqe_prev;
} next;
#endif
/* the connection object that this request belongs to */
struct evhttp_connection *evcon;
int flags;
/** The request obj owns the evhttp connection and needs to free it */
#define EVHTTP_REQ_OWN_CONNECTION 0x0001
/** Request was made via a proxy */
#define EVHTTP_PROXY_REQUEST 0x0002
/** The request object is owned by the user; the user must free it */
#define EVHTTP_USER_OWNED 0x0004
/** The request will be used again upstack; freeing must be deferred */
#define EVHTTP_REQ_DEFER_FREE 0x0008
/** The request should be freed upstack */
#define EVHTTP_REQ_NEEDS_FREE 0x0010
#define EVHTTP_REQ_PROCESS_CHUNKS_END 0x0024
struct evkeyvalq *input_headers;
struct evkeyvalq *output_headers;
/* address of the remote host and the port connection came from */
char *remote_host;
ev_uint16_t remote_port;
/* cache of the hostname for evhttp_request_get_host */
char *host_cache;
enum evhttp_request_kind kind;
enum evhttp_cmd_type type;
size_t headers_size;
size_t body_size;
char *uri; /* uri after HTTP request was parsed */
struct evhttp_uri *uri_elems; /* uri elements */
char major; /* HTTP Major number */
char minor; /* HTTP Minor number */
int response_code; /* HTTP Response code */
char *response_code_line; /* Readable response */
struct evbuffer *input_buffer; /* read data */
ev_int64_t ntoread;
unsigned chunked:1, /* a chunked request */
userdone:1; /* the user has sent all data */
struct evbuffer *output_buffer; /* outgoing post or data */
/* Callback */
void (*cb)(struct evhttp_request *, void *);
void *cb_arg;
/*
* Chunked data callback - call for each completed chunk if
* specified. If not specified, all the data is delivered via
* the regular callback.
*/
void (*chunk_cb)(struct evhttp_request *, void *);
void *chunk_cb_arg;
/*
* Callback added for forked-daapd so they can collect ICY
* (shoutcast) metadata from the http header. If return
* int is negative the connection will be closed.
*/
int (*header_cb)(struct evhttp_request *, void *);
/*
* Error callback - called when error is occured.
* @see evhttp_request_error for error types.
*
* @see evhttp_request_set_error_cb()
*/
void (*error_cb)(enum evhttp_request_error, void *);
/*
* Send complete callback - called when the request is actually
* sent and completed.
*/
void (*on_complete_cb)(struct evhttp_request *, void *);
void *on_complete_cb_arg;
};
#ifdef __cplusplus
}
#endif
#endif /* EVENT2_HTTP_STRUCT_H_INCLUDED_ */
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