Annotation of embedaddon/strongswan/src/libstrongswan/networking/host_resolver.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2012 Tobias Brunner
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: /**
! 17: * @defgroup host_resolver host_resolver
! 18: * @{ @ingroup networking
! 19: */
! 20:
! 21: #ifndef HOST_RESOLVER_H_
! 22: #define HOST_RESOLVER_H_
! 23:
! 24: #include "host.h"
! 25:
! 26: typedef struct host_resolver_t host_resolver_t;
! 27:
! 28: /**
! 29: * Resolve hosts by DNS name but do so in a separate thread (calling
! 30: * getaddrinfo(3) directly might block indefinitely, or at least a very long
! 31: * time if no DNS servers are reachable).
! 32: */
! 33: struct host_resolver_t {
! 34:
! 35: /**
! 36: * Resolve host from the given DNS name.
! 37: *
! 38: * @param name name to lookup
! 39: * @param family requested address family
! 40: * @return resolved host or NULL if failed or canceled
! 41: */
! 42: host_t *(*resolve)(host_resolver_t *this, char *name, int family);
! 43:
! 44: /**
! 45: * Flush the queue of queries. No new queries will be accepted afterwards.
! 46: */
! 47: void (*flush)(host_resolver_t *this);
! 48:
! 49: /**
! 50: * Destroy a host_resolver_t.
! 51: */
! 52: void (*destroy)(host_resolver_t *this);
! 53: };
! 54:
! 55: /**
! 56: * Create a host_resolver_t instance.
! 57: */
! 58: host_resolver_t *host_resolver_create();
! 59:
! 60: #endif /** HOST_RESOLVER_H_ @}*/
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