diff options
Diffstat (limited to 'lib/curl_hostip.h')
| -rw-r--r-- | lib/curl_hostip.h | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/lib/curl_hostip.h b/lib/curl_hostip.h deleted file mode 100644 index 30c738d72..000000000 --- a/lib/curl_hostip.h +++ /dev/null @@ -1,218 +0,0 @@ -#ifndef HEADER_CURL_HOSTIP_H -#define HEADER_CURL_HOSTIP_H -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2013, 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. - * - ***************************************************************************/ - -#include "curl_setup.h" -#include "curl_hash.h" -#include "curl_addrinfo.h" -#include "curl_asyn.h" - -#ifdef HAVE_SETJMP_H -#include <setjmp.h> -#endif - -#ifdef NETWARE -#undef in_addr_t -#define in_addr_t unsigned long -#endif - -/* Allocate enough memory to hold the full name information structs and - * everything. OSF1 is known to require at least 8872 bytes. The buffer - * required for storing all possible aliases and IP numbers is according to - * Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes! - */ -#define CURL_HOSTENT_SIZE 9000 - -#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this - many seconds for a name resolve */ - -#define CURL_ASYNC_SUCCESS CURLE_OK - -struct addrinfo; -struct hostent; -struct SessionHandle; -struct connectdata; - -/* - * Curl_global_host_cache_init() initializes and sets up a global DNS cache. - * Global DNS cache is general badness. Do not use. This will be removed in - * a future version. Use the share interface instead! - * - * Returns a struct curl_hash pointer on success, NULL on failure. - */ -struct curl_hash *Curl_global_host_cache_init(void); -void Curl_global_host_cache_dtor(void); - -struct Curl_dns_entry { - Curl_addrinfo *addr; - /* timestamp == 0 -- entry not in hostcache - timestamp != 0 -- entry is in hostcache */ - 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! - */ -/* return codes */ -#define CURLRESOLV_TIMEDOUT -2 -#define CURLRESOLV_ERROR -1 -#define CURLRESOLV_RESOLVED 0 -#define CURLRESOLV_PENDING 1 -int Curl_resolv(struct connectdata *conn, const char *hostname, - int port, struct Curl_dns_entry **dnsentry); -int Curl_resolv_timeout(struct connectdata *conn, const char *hostname, - int port, struct Curl_dns_entry **dnsentry, - long timeoutms); - -#ifdef CURLRES_IPV6 -/* - * Curl_ipv6works() returns TRUE if ipv6 seems to work. - */ -bool Curl_ipv6works(void); -#else -#define Curl_ipv6works() FALSE -#endif - -/* - * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've - * been set and returns TRUE if they are OK. - */ -bool Curl_ipvalid(struct connectdata *conn); - - -/* - * Curl_getaddrinfo() is the generic low-level name resolve API within this - * source file. There are several versions of this function - for different - * name resolve layers (selected at build-time). They all take this same set - * of arguments - */ -Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, - const char *hostname, - int port, - int *waitp); - - -/* 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); - -/* make a new dns cache and return the handle */ -struct curl_hash *Curl_mk_dnscache(void); - -/* prune old entries from the DNS cache */ -void Curl_hostcache_prune(struct SessionHandle *data); - -/* Return # of adresses in a Curl_addrinfo struct */ -int Curl_num_addresses (const Curl_addrinfo *addr); - -#if defined(CURLDEBUG) && defined(HAVE_GETNAMEINFO) -int curl_dogetnameinfo(GETNAMEINFO_QUAL_ARG1 GETNAMEINFO_TYPE_ARG1 sa, - GETNAMEINFO_TYPE_ARG2 salen, - char *host, GETNAMEINFO_TYPE_ARG46 hostlen, - char *serv, GETNAMEINFO_TYPE_ARG46 servlen, - GETNAMEINFO_TYPE_ARG7 flags, - int line, const char *source); -#endif - -/* IPv4 threadsafe resolve function used for synch and asynch builds */ -Curl_addrinfo *Curl_ipv4_resolve_r(const char * hostname, int port); - -CURLcode Curl_async_resolved(struct connectdata *conn, - bool *protocol_connect); - -#ifndef CURLRES_ASYNCH -#define Curl_async_resolved(x,y) CURLE_OK -#endif - -/* - * Curl_addrinfo_callback() is used when we build with any asynch specialty. - * Handles end of async request processing. Inserts ai into hostcache when - * status is CURL_ASYNC_SUCCESS. Twiddles fields in conn to indicate async - * request completed whether successful or failed. - */ -CURLcode Curl_addrinfo_callback(struct connectdata *conn, - int status, - Curl_addrinfo *ai); - -/* - * Curl_printable_address() returns a printable version of the 1st address - * given in the 'ip' argument. The result will be stored in the buf that is - * bufsize bytes big. - */ -const char *Curl_printable_address(const Curl_addrinfo *ip, - char *buf, size_t bufsize); - -/* - * Curl_cache_addr() stores a 'Curl_addrinfo' struct in the DNS cache. - * - * Returns the Curl_dns_entry entry pointer or NULL if the storage failed. - */ -struct Curl_dns_entry * -Curl_cache_addr(struct SessionHandle *data, Curl_addrinfo *addr, - const char *hostname, int port); - -#ifndef INADDR_NONE -#define CURL_INADDR_NONE (in_addr_t) ~0 -#else -#define CURL_INADDR_NONE INADDR_NONE -#endif - -#ifdef HAVE_SIGSETJMP -/* Forward-declaration of variable defined in curl_hostip.c. Beware this - * is a global and unique instance. This is used to store the return - * address that we can jump back to from inside a signal handler. - * This is not thread-safe stuff. - */ -extern sigjmp_buf curl_jmpenv; -#endif - -/* - * Function provided by the resolver backend to set DNS servers to use. - */ -CURLcode Curl_set_dns_servers(struct SessionHandle *data, char *servers); - -/* - * Clean off entries from the cache - */ -void Curl_hostcache_clean(struct SessionHandle *data); - -/* - * Destroy the hostcache of this handle. - */ -void Curl_hostcache_destroy(struct SessionHandle *data); - -/* - * Populate the cache with specified entries from CURLOPT_RESOLVE. - */ -CURLcode Curl_loadhostpairs(struct SessionHandle *data); - -#endif /* HEADER_CURL_HOSTIP_H */ |