/*****************************************************************************
* file.h: HTTP read-only file
*****************************************************************************
* Copyright (C) 2015 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <stdint.h>
/**
* \defgroup http_file Files
* HTTP read-only files
* \ingroup http_res
* @{
*/
struct vlc_http_mgr;
struct vlc_http_resource;
/**
* Creates an HTTP file.
*
* Allocates a structure for a remote HTTP-served read-only file.
*
* @param mgr HTTP connection manager
* @param url URL of the file to read
* @param ua user agent string (or NULL to ignore)
* @param ref referral URL (or NULL to ignore)
*
* @return an HTTP resource object pointer, or NULL on error
*/
struct vlc_http_resource *vlc_http_file_create(struct vlc_http_mgr *mgr,
const char *url, const char *ua,
const char *ref);
/**
* Gets file size.
*
* Determines the file size in bytes.
*
* @return Bytes count or (uintmax_t)-1 if unknown.
*/
uintmax_t vlc_http_file_get_size(struct vlc_http_resource *);
/**
* Checks seeking support.
*
* @retval true if file supports seeking
* @retval false if file does not support seeking
*/
bool vlc_http_file_can_seek(struct vlc_http_resource *);
/**
* Sets the read offset.
*
* @param file the HTTP file resource to set the read offset on
* @param offset byte offset of next read
* @retval 0 if seek succeeded
* @retval -1 if seek failed
*/
int vlc_http_file_seek(struct vlc_http_resource *file, uintmax_t offset);
/**
* Reads data.
*
* Reads data from a file and update the file offset.
*/
block_t *vlc_http_file_read(struct vlc_http_resource *);
#define vlc_http_file_get_status vlc_http_res_get_status
#define vlc_http_file_get_redirect vlc_http_res_get_redirect
#define vlc_http_file_get_type vlc_http_res_get_type
#define vlc_http_file_destroy vlc_http_res_destroy
/** @} */
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