mirror of
https://github.com/moparisthebest/curl
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100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
#ifndef __HOSTIP_H
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#define __HOSTIP_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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#include "setup.h"
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#include "hash.h"
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struct addrinfo;
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struct hostent;
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struct SessionHandle;
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struct connectdata;
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void Curl_global_host_cache_init(void);
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void Curl_global_host_cache_dtor(void);
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curl_hash *Curl_global_host_cache_get(void);
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#define Curl_global_host_cache_use(__p) ((__p)->set.global_dns_cache)
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struct Curl_dns_entry {
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Curl_addrinfo *addr;
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time_t timestamp;
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long inuse; /* use-counter, make very sure you decrease this
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when you're done using the address you received */
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};
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/*
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* Curl_resolv() returns an entry with the info for the specified host
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* and port.
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*
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* The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after
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* use, or we'll leak memory!
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*/
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int Curl_resolv(struct connectdata *conn,
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char *hostname,
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int port,
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struct Curl_dns_entry **dnsentry);
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CURLcode Curl_is_resolved(struct connectdata *conn,
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struct Curl_dns_entry **dns);
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CURLcode Curl_wait_for_resolv(struct connectdata *conn,
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struct Curl_dns_entry **dnsentry);
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CURLcode Curl_multi_ares_fdset(struct connectdata *conn,
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fd_set *read_fd_set,
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fd_set *write_fd_set,
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int *max_fdp);
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/* unlock a previously resolved dns entry */
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void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns);
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/* for debugging purposes only: */
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void Curl_scan_cache_used(void *user, void *ptr);
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/* free name info */
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void Curl_freeaddrinfo(Curl_addrinfo *freeaddr);
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/* free cached name info */
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void Curl_freednsinfo(void *freethis);
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/* prune old entries from the DNS cache */
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void Curl_hostcache_prune(struct SessionHandle *data);
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#ifdef CURLDEBUG
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void curl_freeaddrinfo(struct addrinfo *freethis,
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int line, const char *source);
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int curl_getaddrinfo(char *hostname, char *service,
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struct addrinfo *hints,
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struct addrinfo **result,
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int line, const char *source);
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#endif
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#ifndef INADDR_NONE
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#define CURL_INADDR_NONE (in_addr_t) ~0
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#else
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#define CURL_INADDR_NONE INADDR_NONE
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#endif
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#endif
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