From 7585facf05d927eb6df3929ce09ed5e60d905437 Mon Sep 17 00:00:00 2001 From: Yves-Alexis Perez Date: Thu, 7 Feb 2013 13:27:27 +0100 Subject: Imported Upstream version 5.0.2 --- src/libstrongswan/networking/host_resolver.h | 60 ++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/libstrongswan/networking/host_resolver.h (limited to 'src/libstrongswan/networking/host_resolver.h') diff --git a/src/libstrongswan/networking/host_resolver.h b/src/libstrongswan/networking/host_resolver.h new file mode 100644 index 000000000..f944a9cdf --- /dev/null +++ b/src/libstrongswan/networking/host_resolver.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2012 Tobias Brunner + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See . + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup host_resolver host_resolver + * @{ @ingroup networking + */ + +#ifndef HOST_RESOLVER_H_ +#define HOST_RESOLVER_H_ + +#include "host.h" + +typedef struct host_resolver_t host_resolver_t; + +/** + * Resolve hosts by DNS name but do so in a separate thread (calling + * getaddrinfo(3) directly might block indefinitely, or at least a very long + * time if no DNS servers are reachable). + */ +struct host_resolver_t { + + /** + * Resolve host from the given DNS name. + * + * @param name name to lookup + * @param family requested address family + * @return resolved host or NULL if failed or canceled + */ + host_t *(*resolve)(host_resolver_t *this, char *name, int family); + + /** + * Flush the queue of queries. No new queries will be accepted afterwards. + */ + void (*flush)(host_resolver_t *this); + + /** + * Destroy a host_resolver_t. + */ + void (*destroy)(host_resolver_t *this); +}; + +/** + * Create a host_resolver_t instance. + */ +host_resolver_t *host_resolver_create(); + +#endif /** HOST_RESOLVER_H_ @}*/ -- cgit v1.2.3