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- /*
- * url.h - URL Processing (parsing & retrieval)
- *
- * Darren Hardy, hardy@cs.colorado.edu, April 1994
- *
- * $Id: url.h,v 1.13 1995/01/17 21:41:48 hardy Exp $
- *
- * ----------------------------------------------------------------------
- * Copyright (c) 1994, 1995. All rights reserved.
- *
- * Mic Bowman of Transarc Corporation.
- * Peter Danzig of the University of Southern California.
- * Darren R. Hardy of the University of Colorado at Boulder.
- * Udi Manber of the University of Arizona.
- * Michael F. Schwartz of the University of Colorado at Boulder.
- *
- * This copyright notice applies to all code in Harvest other than
- * subsystems developed elsewhere, which contain other copyright notices
- * in their source text.
- *
- * The Harvest software was developed by the Internet Research Task
- * Force Research Group on Resource Discovery (IRTF-RD). The Harvest
- * software may be used for academic, research, government, and internal
- * business purposes without charge. If you wish to sell or distribute
- * the Harvest software to commercial clients or partners, you must
- * license the software. See
- * http://harvest.cs.colorado.edu/harvest/copyright,licensing.html#licensing.
- *
- * The Harvest software is provided ``as is'', without express or
- * implied warranty, and with no support nor obligation to assist in its
- * use, correction, modification or enhancement. We assume no liability
- * with respect to the infringement of copyrights, trade secrets, or any
- * patents, and are not responsible for consequential damages. Proper
- * use of the Harvest software is entirely the responsibility of the user.
- *
- * For those who are using Harvest for non-commercial purposes, you may
- * make derivative works, subject to the following constraints:
- *
- * - You must include the above copyright notice and these accompanying
- * paragraphs in all forms of derivative works, and any documentation
- * and other materials related to such distribution and use acknowledge
- * that the software was developed at the above institutions.
- *
- * - You must notify IRTF-RD regarding your distribution of the
- * derivative work.
- *
- * - You must clearly notify users that your are distributing a modified
- * version and not the original Harvest software.
- *
- * - Any derivative product is also subject to the restrictions of the
- * copyright, including distribution and use limitations.
- */
- #ifndef _URL_H_
- #define _URL_H_
-
- #include "config.h"
- #include <time.h>
-
- /*
- * The supported URLs look like:
- *
- * file://host/pathname
- * gopher://host[:port][/TypeDigitGopherRequest]
- * http://host[:port][/[pathname][#name][?search]]
- * ftp://[user[:password]@]host[:port][/pathname]
- *
- * where host is either a fully qualified hostname, an IP number, or
- * a relative hostname.
- *
- * For http, any '#name' or '?search' directives are ignored.
- * For ftp, any user, password, or port directives are unsupported.
- */
-
- struct url {
- char *url; /* Complete, normalized URL */
- int type; /* file, ftp, http, gopher, etc. */
- char *raw_pathname; /* pathname portion of the URL, w/ escapes */
- char *pathname; /* pathname portion of the URL, w/o escapes */
- char *host; /* fully qualified hostname */
- int port; /* TCP/IP port */
-
-
- /* Information for FTP processing */
- char *user; /* Login name for ftp */
- char *password; /* password for ftp */
-
- /* Information for Gopher processing */
- int gophertype; /* Numeric type for gopher request */
-
- /* Information for HTTP processing */
- char *http_version; /* HTTP/1.0 Version */
- int http_status_code; /* HTTP/1.0 Status Code */
- char *http_reason_line; /* HTTP/1.0 Reason Line */
- char *http_mime_hdr; /* HTTP/1.0 MIME Response Header */
-
- /* Information for local copy processing */
- char *filename; /* local filename */
- FILE *fp; /* ptr to local filename */
- time_t lmt; /* Last-Modification-Time */
-
- #ifdef USE_MD5
- char *md5; /* MD5 value of URL */
- #endif
- };
- typedef struct url URL;
-
- enum url_types { /* Constants for URL types */
- URL_UNKNOWN,
- URL_FILE,
- URL_FTP,
- URL_GOPHER,
- URL_HTTP,
- URL_NEWS,
- URL_NOP,
- URL_TELNET,
- URL_WAIS
- };
-
- #ifndef _PARAMS
- #if defined(__STDC__) || defined(__cplusplus) || defined(__STRICT_ANSI__)
- #define _PARAMS(ARGS) ARGS
- #else /* Traditional C */
- #define _PARAMS(ARGS) ()
- #endif /* __STDC__ */
- #endif /* _PARAMS */
-
- URL *url_open _PARAMS((char *));
- int url_read _PARAMS((char *, int, int, URL *));
- int url_retrieve _PARAMS((URL *));
- void url_close _PARAMS((URL *));
-
- void init_url _PARAMS(());
- void finish_url _PARAMS(());
-
- void url_purge _PARAMS(());
-
- URL *dup_url _PARAMS((URL *));
- void print_url _PARAMS((URL *));
-
- int http_get _PARAMS((URL *));
- int ftp_get _PARAMS((URL *));
- int gopher_get _PARAMS((URL *));
-
-
- #ifdef USE_LOCAL_CACHE
- void init_cache _PARAMS(());
- char *lookup_cache _PARAMS((char *));
- time_t lmt_cache _PARAMS((char *));
- void add_cache _PARAMS((char *, char *));
- void finish_cache _PARAMS(());
- void expire_cache _PARAMS(());
- #endif
-
- #ifdef USE_CCACHE
- void url_initCache _PARAMS((int, long));
- void url_shutdowncache _PARAMS(());
- #endif
-
- #endif /* _URL_H_ */
-
-