transmission/libtransmission/http.h

73 lines
3.3 KiB
C

/******************************************************************************
* $Id$
*
* Copyright (c) 2006 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#ifndef TR_HTTP_H
#define TR_HTTP_H 1
/*
Parse an HTTP request header to find the method, uri, and version.
The version will be 11, 10, or -1 on parse error. The method and/or
uri pointers may be NULL if the caller is not interested.
*/
int tr_httpRequestType( const char * data, int len,
char ** method, char ** uri );
/* Return the HTTP status code for the response, or -1 for parse error */
int tr_httpResponseCode( const char * data, int len );
#define TR_HTTP_STATUS_OK( st ) ( 200 <= (st) && 299 >= (st) )
#define TR_HTTP_STATUS_REDIRECT( st ) ( 300 <= (st) && 399 >= (st) )
#define TR_HTTP_STATUS_FAIL( st ) ( 400 <= (st) && 599 >= (st) )
#define TR_HTTP_STATUS_FAIL_CLIENT( st ) ( 400 <= (st) && 499 >= (st) )
#define TR_HTTP_STATUS_FAIL_SERVER( st ) ( 500 <= (st) && 599 >= (st) )
/*
Parse an HTTP request or response, locating specified headers and
the body. The length of the body will be len - ( body - data ).
*/
typedef struct { const char * name; const char * data; int len; }
tr_http_header_t;
char * tr_httpParse( const char * data, int len, tr_http_header_t *headers );
int tr_httpIsUrl( const char *, int );
int tr_httpParseUrl( const char *, int, char **, int *, char ** );
/* fetch a file via HTTP from a standard http:// url */
typedef struct tr_http_s tr_http_t;
#define TR_HTTP_GET 1
#define TR_HTTP_POST 2
#define TR_HTTP_M_POST 3
tr_http_t * tr_httpClient( int, const char *, int, const char *, ... )
PRINTF( 4, 5 );
tr_http_t * tr_httpClientUrl( int, const char *, ... )
PRINTF( 2, 3 );
/* only add headers or body before first pulse */
void tr_httpAddHeader( tr_http_t *, const char *, const char * );
void tr_httpAddBody( tr_http_t *, const char *, ... ) PRINTF( 2, 3 );
tr_tristate_t tr_httpPulse( tr_http_t *, const char **, int * );
char * tr_httpWhatsMyAddress( tr_http_t * );
void tr_httpClose( tr_http_t * );
#endif