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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
icmp.h
Abstract:
This module declares the ICMP APIs that are provided for use
primarily by the NT tcp/ip utilities.
Author:
John Ballard (jballard) April 1, 1993
Revision History:
--*/
#ifndef _ICMP_
#define _ICMP_
#if (_MSC_VER >= 800)
#define STRMAPI __stdcall
#else
#define _cdecl
#define STRMAPI
#endif
/*
*
* register_icmp returns a handle to an open stream to icmp or
* ICMP_ERROR if an error occurs.
*
*/
extern HANDLE STRMAPI register_icmp(void);
#define ICMP_ERROR ((HANDLE) -3)
/*
*
* If an error occurs a GetLastError() will return the reason for the error.
*
*/
#define ICMP_OPEN_ERROR 1
#define ICMP_PUTMSG_ERROR 2
#define ICMP_GETMSG_ERROR 3
#define ICMP_IN_USE 4
#define ICMP_INVALID_PROT 5
/*
*
* do_echo_req generates an icmp echo request packet
*
* parameters are:
*
* fd - handle of stream to icmp (returned by register_icmp call)
* addr - ip address of host to ping in form returned by inet_addr()
* data - buffer containing data for ping packet
* datalen - length of data buffer
* optptr - buffer containing ip options to use for this packet
* optlen - option buffer length
* df - don't fragment flag
* ttl - time to live value
* tos - type of service value
* preced - precedence value
*
* returns:
*
* 0 if no error occured or
* standard unix error values ENOMEM, ERANGE, etc.
*
*/
extern int STRMAPI
do_echo_req( HANDLE fd, long addr, char * data, int datalen,
char *optptr, int optlen, int df, int ttl, int tos, int preced);
/*
*
* do_echo_rep receives the reply to an icmp echo request packet
*
* parameters are:
*
* fd - handle of stream to icmp (returned by register_icmp call)
* rdata - buffer containing data for ping packet
* rdatalen - length of data buffer
* rtype - type of packet returned (see
* rttl - time to live value
* rtos - type of service value
* rpreced - precedence value
* rdf - don't fragment flag
* roptptr - buffer containing ip options to use for this packet
* roptlen - option buffer length
*
* returns:
*
* 0 if no error occured. rtype will indicate type of packet received.
* -1 if error occured. GetLastError() will indicate actual error.
* -3 if invalid msg returned. GetLastError() will indicate type.
*
*/
extern int STRMAPI
do_echo_rep( HANDLE fd, char *rdata, int rdatalen, int *rtype,
int *rttl, int *rtos, int *rpreced, int *rdf,
char *roptptr, int *roptlen);
/*
* If -1 return then GetLastError returns the following.
*/
#define POLL_TIMEOUT 0
#define POLL_FAILED 1
/*
* Values returned by do_echo_rep in rtype
*/
#define ECHO_REPLY 0 /* echo reply */
#define DEST_UNR 3 /* destination unreachable: */
#define TIME_EXCEEDED 11 /* time exceeded: */
#define PARAMETER_ERROR 12 /* parameter problem */
#endif
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