mirror of
https://github.com/rkd77/elinks.git
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0fea79cc8f
Likely some new bugs were introduced by this change. The long term goal is clean compilation by g++.
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
#ifndef EL__NETWORK_DNS_H
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#define EL__NETWORK_DNS_H
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum dns_result {
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DNS_ERROR = -1, /* DNS lookup failed. */
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DNS_SUCCESS = 0, /* DNS lookup was successful. */
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DNS_ASYNC = 1, /* An async lookup was started. */
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};
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typedef void (*dns_callback_T)(void *, struct sockaddr_storage *, int);
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/* Look up the specified @host using synchronious querying. An array of found
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* addresses will be allocated in @addr with the array length stored in
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* @addrlen. The boolean @called_from_thread is a hack used internally to get
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* the correct allocation method. */
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/* Returns non-zero on error and zero on success. */
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enum dns_result
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do_real_lookup(char *host, struct sockaddr_storage **addr, int *addrlen,
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int called_from_thread);
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/* Look up the specified @host storing private query information in struct
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* pointed to by @queryref. When the query is done the @done callback will be
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* called with @data, an array of found addresses (or NULL on error) and the
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* address array length. If the boolean @no_cache is non-zero cached DNS queries
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* are ignored. */
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/* Returns whether the query is asynchronious. */
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enum dns_result find_host(char *name, void **queryref,
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dns_callback_T done, void *data, int no_cache);
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/* Stop the DNS request pointed to by the @queryref reference. */
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void kill_dns_request(void **queryref);
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/* Manage the cache of DNS lookups. If the boolean @whole is non-zero all DNS
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* cache entries will be removed. */
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void shrink_dns_cache(int whole);
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#ifdef __cplusplus
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}
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#endif
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#endif
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