include/resolver.h

/*
 *
 *  Connection Manager
 *
 *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef __CONNMAN_RESOLVER_H
#define __CONNMAN_RESOLVER_H

#ifdef __cplusplus
extern "C" {
#endif

/**
 * SECTION:resolver
 * @title: Resolver premitives
 * @short_description: Functions for registering resolver modules
 */

#define CONNMAN_RESOLVER_PRIORITY_LOW      -100
#define CONNMAN_RESOLVER_PRIORITY_DEFAULT     0
#define CONNMAN_RESOLVER_PRIORITY_HIGH      100

struct connman_resolver;

struct connman_resolver_state {
	struct connman_resolver *resolver;
	char *interface;
	char *domain;
	char **search_domains;
	char **servers;
};

struct connman_resolver {
	const char *name;
	int priority;
	int (*set) (const struct connman_resolver_state *);
	int (*unset) (const struct connman_resolver_state *);
};

int connman_resolver_register(struct connman_resolver *resolver);
void connman_resolver_unregister(struct connman_resolver *resolver);

struct connman_resolver_state *connman_resolver_set(const char *interface,
	const char *domain, char **search_domains, char **servers);
struct connman_resolver_state *connman_resolver_update(
	struct connman_resolver_state *,
	const char *domain, char **search_domains, char **servers);
void connman_resolver_unset(struct connman_resolver_state *);
const struct connman_resolver_state *connman_resolver_lookup(
	const char *interface);

/* Utility function for resolv.conf-based resolvers */
int connman_resolvfile_write(const char *filename, const char *domain,
			     char **search_domains, char **servers);

#ifdef __cplusplus
}
#endif

#endif /* __CONNMAN_RESOLVER_H */