| #ifndef __HOSTIP_H |
| #define __HOSTIP_H |
| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al. |
| * |
| * This software is licensed as described in the file COPYING, which |
| * you should have received as part of this distribution. The terms |
| * are also available at http://curl.haxx.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| * $Id$ |
| ***************************************************************************/ |
| |
| #include "setup.h" |
| #include "hash.h" |
| |
| struct addrinfo; |
| struct hostent; |
| struct SessionHandle; |
| struct connectdata; |
| |
| void Curl_global_host_cache_init(void); |
| void Curl_global_host_cache_dtor(void); |
| curl_hash *Curl_global_host_cache_get(void); |
| |
| #define Curl_global_host_cache_use(__p) ((__p)->set.global_dns_cache) |
| |
| struct Curl_dns_entry { |
| Curl_addrinfo *addr; |
| time_t timestamp; |
| long inuse; /* use-counter, make very sure you decrease this |
| when you're done using the address you received */ |
| }; |
| |
| /* |
| * Curl_resolv() returns an entry with the info for the specified host |
| * and port. |
| * |
| * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after |
| * use, or we'll leak memory! |
| */ |
| |
| int Curl_resolv(struct connectdata *conn, |
| char *hostname, |
| int port, |
| struct Curl_dns_entry **dnsentry); |
| |
| CURLcode Curl_is_resolved(struct connectdata *conn, |
| struct Curl_dns_entry **dns); |
| CURLcode Curl_wait_for_resolv(struct connectdata *conn, |
| struct Curl_dns_entry **dnsentry); |
| CURLcode Curl_multi_ares_fdset(struct connectdata *conn, |
| fd_set *read_fd_set, |
| fd_set *write_fd_set, |
| int *max_fdp); |
| /* unlock a previously resolved dns entry */ |
| void Curl_resolv_unlock(struct SessionHandle *data, struct Curl_dns_entry *dns); |
| |
| /* for debugging purposes only: */ |
| void Curl_scan_cache_used(void *user, void *ptr); |
| |
| /* free name info */ |
| void Curl_freeaddrinfo(Curl_addrinfo *freeaddr); |
| |
| /* free cached name info */ |
| void Curl_freednsinfo(void *freethis); |
| |
| #ifdef CURLDEBUG |
| void curl_freeaddrinfo(struct addrinfo *freethis, |
| int line, const char *source); |
| int curl_getaddrinfo(char *hostname, char *service, |
| struct addrinfo *hints, |
| struct addrinfo **result, |
| int line, const char *source); |
| #endif |
| |
| #ifndef INADDR_NONE |
| #define CURL_INADDR_NONE (in_addr_t) ~0 |
| #else |
| #define CURL_INADDR_NONE INADDR_NONE |
| #endif |
| |
| |
| #endif |