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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape Portable Runtime (NSPR).
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/*
 * plresolv.h - asynchronous name resolution using DNS 
 */

#ifndef _PLRESOLV_H_
#define _PLRESOLV_H_

/*
** THIS IS WORK IN PROGRESS. DO NOT ATTEMPT TO USE ANY PORTION OF THIS
** API UNTIL THIS MESSAGE NO LONGER EXISTS. IF YOU DO, THEN YOU SURRENDER
** THE RIGHT TO COMPLAIN ABOUT ANY CONTENT.
*/

#if defined(XP_UNIX)

#include <prtypes.h>
#include <prnetdb.h>

NSPR_BEGIN_EXTERN_C

#define PL_RESOLVE_MAXHOSTENTBUF        1024
#define PL_RESOLVE_DEFAULT_TIMEOUT      0

/* Error return codes */
#define PL_RESOLVE_OK            0
#define PL_RESOLVE_EWINIT        1           /* Failed to initialize window */
#define PL_RESOLVE_EMAKE         2           /* Failed to create request */
#define PL_RESOLVE_ELAUNCH       3           /* Error launching Async request */
#define PL_RESOLVE_ETIMEDOUT     4           /* Request timed-out */
#define PL_RESOLVE_EINVAL        5           /* Invalid argument */
#define PL_RESOLVE_EOVERFLOW     6           /* Buffer Overflow */
#define PL_RESOLVE_EUNKNOWN      7           /* berzerk error */

/* ----------- Function Prototypes ----------------*/

PR_EXTERN(PRStatus) PL_ResolveName(
    const char *name, unsigned char *buf,
    PRIntn bufsize, PRIntervalTime timeout,
    PRHostEnt *hostentry, PRIntervalTime *ttl);

PR_EXTERN(PRStatus) PL_ResolveAddr(
    const PRNetAddr *address, unsigned char *buf,
    PRIntn bufsize, PRIntervalTime timeout,
    PRHostEnt *hostentry, PRIntervalTime *ttl);

typedef struct PLResolveStats {
    int re_errors;
    int re_nu_look;
    int re_na_look;
    int re_replies;
    int re_requests;
    int re_resends;
    int re_sent;
    int re_timeouts;
} PLResolveStats;

typedef struct PLResoveInfo {
    PRBool enabled;
    PRUint32 numNameLookups;
    PRUint32 numAddrLookups;
    PRUint32 numLookupsInProgress;
    PLResolveStats stats;
} PLResoveInfo;

PR_EXTERN(void) PL_ResolveInfo(PLResoveInfo *info);

NSPR_END_EXTERN_C

#endif /* defined(XP_UNIX) */

#endif /* _PLRESOLV_H_ */