/*
mtr -- a network diagnostic tool
Copyright (C) 2016 Matt Kimball
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef PROBE_CYGWIN_H
#define PROBE_CYGWIN_H
#include <arpa/inet.h>
#include <windows.h>
#include <iphlpapi.h>
#include <icmpapi.h>
/*
This should be in the Windows headers, but is missing from
Cygwin's Windows headers.
*/
typedef struct icmpv6_echo_reply_lh {
/*
Although Windows uses an IPV6_ADDRESS_EX here, we are using uint8_t
fields to avoid structure padding differences between gcc and
Visual C++. (gcc wants to align the flow info to a 4 byte boundary,
and Windows uses it unaligned.)
*/
uint8_t PortBits[2];
uint8_t FlowInfoBits[4];
uint8_t AddressBits[16];
uint8_t ScopeIdBits[4];
ULONG Status;
unsigned int RoundTripTime;
} ICMPV6_ECHO_REPLY,
*PICMPV6_ECHO_REPLY;
/*
Windows requires an echo reply structure for each in-flight
ICMP probe.
*/
struct probe_platform_t {
/*
We need a backpointer to the net_state because of the way
IcmpSendEcho2 passes our context.
*/
struct net_state_t *net_state;
/* IP version (4 or 6) used for the probe */
int ip_version;
union {
ICMP_ECHO_REPLY32 *reply4;
ICMPV6_ECHO_REPLY *reply6;
};
};
/* A Windows HANDLE for the ICMP session */
struct net_state_platform_t {
HANDLE icmp4;
HANDLE icmp6;
};
#endif