188 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			188 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*	$NetBSD: fetch.h,v 1.16 2010/01/22 13:21:09 joerg Exp $	*/
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/*-
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 * Copyright (c) 1998-2004 Dag-Erling Coïdan Smørgrav
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer
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 *    in this position and unchanged.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * $FreeBSD: fetch.h,v 1.26 2004/09/21 18:35:20 des Exp $
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 */
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#ifndef _FETCH_H_INCLUDED
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#define _FETCH_H_INCLUDED
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#include <sys/types.h>
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#include <limits.h>
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#include <stdio.h>
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#define _LIBFETCH_VER "libfetch/2.0"
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#define URL_HOSTLEN 255
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#define URL_SCHEMELEN 16
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#define URL_USERLEN 256
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#define URL_PWDLEN 256
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typedef struct fetchIO fetchIO;
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struct url {
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	char		 scheme[URL_SCHEMELEN + 1];
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	char		 user[URL_USERLEN + 1];
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	char		 pwd[URL_PWDLEN + 1];
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	char		 host[URL_HOSTLEN + 1];
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	int		 port;
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	char		*doc;
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	off_t		 offset;
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	size_t		 length;
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	time_t		 last_modified;
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};
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struct url_stat {
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	off_t		 size;
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	time_t		 atime;
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	time_t		 mtime;
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};
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struct url_list {
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	size_t		 length;
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	size_t		 alloc_size;
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	struct url	*urls;
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};
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/* Recognized schemes */
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#define SCHEME_FTP	"ftp"
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#define SCHEME_HTTP	"http"
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#define SCHEME_HTTPS	"https"
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#define SCHEME_FILE	"file"
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/* Error codes */
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#define	FETCH_ABORT	 1
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#define	FETCH_AUTH	 2
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#define	FETCH_DOWN	 3
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#define	FETCH_EXISTS	 4
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#define	FETCH_FULL	 5
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#define	FETCH_INFO	 6
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#define	FETCH_MEMORY	 7
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#define	FETCH_MOVED	 8
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#define	FETCH_NETWORK	 9
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#define	FETCH_OK	10
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#define	FETCH_PROTO	11
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#define	FETCH_RESOLV	12
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#define	FETCH_SERVER	13
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#define	FETCH_TEMP	14
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#define	FETCH_TIMEOUT	15
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#define	FETCH_UNAVAIL	16
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#define	FETCH_UNKNOWN	17
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#define	FETCH_URL	18
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#define	FETCH_VERBOSE	19
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#define	FETCH_UNCHANGED	20
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#if defined(__cplusplus)
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extern "C" {
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#endif
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void		fetchIO_close(fetchIO *);
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ssize_t		fetchIO_read(fetchIO *, void *, size_t);
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ssize_t		fetchIO_write(fetchIO *, const void *, size_t);
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/* fetchIO-specific functions */
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fetchIO		*fetchXGetFile(struct url *, struct url_stat *, const char *);
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fetchIO		*fetchGetFile(struct url *, const char *);
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fetchIO		*fetchPutFile(struct url *, const char *);
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int		 fetchStatFile(struct url *, struct url_stat *, const char *);
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int		 fetchListFile(struct url_list *, struct url *, const char *,
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		    const char *);
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/* HTTP-specific functions */
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fetchIO		*fetchXGetHTTP(struct url *, struct url_stat *, const char *);
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fetchIO		*fetchGetHTTP(struct url *, const char *);
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fetchIO		*fetchPutHTTP(struct url *, const char *);
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int		 fetchStatHTTP(struct url *, struct url_stat *, const char *);
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int		 fetchListHTTP(struct url_list *, struct url *, const char *,
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		    const char *);
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/* FTP-specific functions */
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fetchIO		*fetchXGetFTP(struct url *, struct url_stat *, const char *);
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fetchIO		*fetchGetFTP(struct url *, const char *);
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fetchIO		*fetchPutFTP(struct url *, const char *);
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int		 fetchStatFTP(struct url *, struct url_stat *, const char *);
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int		 fetchListFTP(struct url_list *, struct url *, const char *,
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		    const char *);
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/* Generic functions */
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fetchIO		*fetchXGetURL(const char *, struct url_stat *, const char *);
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fetchIO		*fetchGetURL(const char *, const char *);
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fetchIO		*fetchPutURL(const char *, const char *);
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int		 fetchStatURL(const char *, struct url_stat *, const char *);
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int		 fetchListURL(struct url_list *, const char *, const char *,
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		    const char *);
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fetchIO		*fetchXGet(struct url *, struct url_stat *, const char *);
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fetchIO		*fetchGet(struct url *, const char *);
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fetchIO		*fetchPut(struct url *, const char *);
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int		 fetchStat(struct url *, struct url_stat *, const char *);
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int		 fetchList(struct url_list *, struct url *, const char *,
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		    const char *);
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/* URL parsing */
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struct url	*fetchMakeURL(const char *, const char *, int,
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		     const char *, const char *, const char *);
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struct url	*fetchParseURL(const char *);
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struct url	*fetchCopyURL(const struct url *);
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char		*fetchStringifyURL(const struct url *);
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void		 fetchFreeURL(struct url *);
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/* URL listening */
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void		 fetchInitURLList(struct url_list *);
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int		 fetchAppendURLList(struct url_list *, const struct url_list *);
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void		 fetchFreeURLList(struct url_list *);
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char		*fetchUnquotePath(struct url *);
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char		*fetchUnquoteFilename(struct url *);
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/* Connection caching */
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void		 fetchConnectionCacheInit(int, int);
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void		 fetchConnectionCacheClose(void);
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/* Authentication */
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typedef int (*auth_t)(struct url *);
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extern auth_t		 fetchAuthMethod;
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/* Last error code */
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extern int		 fetchLastErrCode;
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#define MAXERRSTRING 256
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extern char		 fetchLastErrString[MAXERRSTRING];
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/* I/O timeout */
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extern int		 fetchTimeout;
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/* Restart interrupted syscalls */
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extern volatile int	 fetchRestartCalls;
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/* Extra verbosity */
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extern int		 fetchDebug;
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#if defined(__cplusplus)
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}
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#endif
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#endif
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