pidgin/pidgin

merge of '77693555855fe9cd3215414f79964dba346cc5fa'
gaim
2008-11-12, Richard Laager
1966704b3e42
merge of '77693555855fe9cd3215414f79964dba346cc5fa'
and '19a87e98e5857ad0289f2c760d460f7f1dbbb42d'
/**
* @file dnsquery.h DNS query API
* @ingroup core
*
* gaim
*
* Gaim is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _GAIM_DNSQUERY_H_
#define _GAIM_DNSQUERY_H_
#include <glib.h>
#include "eventloop.h"
typedef struct _GaimDnsQueryData GaimDnsQueryData;
/**
* The "hosts" parameter is a linked list containing pairs of
* one size_t addrlen and one struct sockaddr *addr. It should
* be free'd by the callback function.
*/
typedef void (*GaimDnsQueryConnectFunction)(GSList *hosts, gpointer data, const char *error_message);
#include "account.h"
#ifdef __cplusplus
extern "C" {
#endif
/**************************************************************************/
/** @name DNS query API */
/**************************************************************************/
/*@{*/
/**
* Perform an asynchronous DNS query.
*
* @param hostname The hostname to resolve.
* @param port A port number which is stored in the struct sockaddr.
* @param callback The callback function to call after resolving.
* @param data Extra data to pass to the callback function.
*
* @return NULL if there was an error, otherwise return a reference to
* a data structure that can be used to cancel the pending
* DNS query, if needed.
*/
GaimDnsQueryData *gaim_dnsquery_a(const char *hostname, int port, GaimDnsQueryConnectFunction callback, gpointer data);
/**
* Cancel a DNS query and destroy the associated data structure.
*
* @param query_data The DNS query to cancel. This data structure
* is freed by this function.
*/
void gaim_dnsquery_destroy(GaimDnsQueryData *query_data);
/**
* Initializes the DNS query subsystem.
*/
void gaim_dnsquery_init(void);
/**
* Uninitializes the DNS query subsystem.
*/
void gaim_dnsquery_uninit(void);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif /* _GAIM_DNSQUERY_H_ */