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plresolv.h

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * 1.1 (the "License"); you may not use this file except in compliance with
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 * License.
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 * The Original Code is the Netscape Portable Runtime (NSPR).
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998-2000
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/*
 * 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_ */

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