/* $NetBSD: http_struct.h,v 1.1.1.3 2017/01/31 21:14:53 christos Exp $ */ /* * Copyright (c) 2000-2007 Niels Provos * 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 #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /** * 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 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 *); /* * 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_ */