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https://github.com/netsurf-browser/netsurf
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e724672302
Handle case where no cache expiry headers are sent; use (now - last_modified) / 10. This should reduce the frequency of cache entry validation. svn path=/import/netsurf/; revision=2064
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/*
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* This file is part of NetSurf, http://netsurf.sourceforge.net/
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* Licensed under the GNU General Public License,
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* http://www.opensource.org/licenses/gpl-license
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* Copyright 2003 James Bursa <bursa@users.sourceforge.net>
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*/
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/** \file
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* Fetching of data from a URL (interface).
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*/
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#ifndef _NETSURF_DESKTOP_FETCH_H_
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#define _NETSURF_DESKTOP_FETCH_H_
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#include <stdbool.h>
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#include "curl/curl.h"
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#include "netsurf/utils/config.h"
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typedef enum {
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FETCH_TYPE,
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FETCH_PROGRESS,
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FETCH_DATA,
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FETCH_FINISHED,
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FETCH_ERROR,
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FETCH_REDIRECT,
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FETCH_NOTMODIFIED,
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#ifdef WITH_AUTH
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FETCH_AUTH
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#endif
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} fetch_msg;
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struct content;
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struct fetch;
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struct form_successful_control;
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struct cache_data {
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time_t req_time; /**< Time of request */
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time_t res_time; /**< Time of response */
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time_t date; /**< Date: response header */
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time_t expires; /**< Expires: response header */
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#define INVALID_AGE -1
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int age; /**< Age: response header */
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int max_age; /**< Max-age Cache-control parameter */
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bool no_cache; /**< no-cache Cache-control parameter */
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char *etag; /**< Etag: response header */
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time_t last_modified; /**< Last-Modified: response header */
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};
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extern bool fetch_active;
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extern CURLM *fetch_curl_multi;
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void fetch_init(void);
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struct fetch * fetch_start(char *url, char *referer,
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void (*callback)(fetch_msg msg, void *p, const char *data,
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unsigned long size),
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void *p, bool only_2xx, char *post_urlenc,
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struct form_successful_control *post_multipart,
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bool cookies, char *headers[]);
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void fetch_abort(struct fetch *f);
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void fetch_poll(void);
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void fetch_quit(void);
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const char *fetch_filetype(const char *unix_path);
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char *fetch_mimetype(const char *ro_path);
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bool fetch_can_fetch(const char *url);
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void fetch_change_callback(struct fetch *fetch,
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void (*callback)(fetch_msg msg, void *p, const char *data,
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unsigned long size),
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void *p);
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#endif
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