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iphlpapi: Implement GetRTTAndHopCount().

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Marc-Aurel Zent 2024-01-11 23:54:49 +01:00 • committed by Alexandre Julliard
parent ca97cb8700
commit cd2570c28d
1 changed files with 43 additions and 7 deletions
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50
dlls/iphlpapi/iphlpapi_main.c
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@ -2781,15 +2781,51 @@ DWORD WINAPI GetPerAdapterInfo( ULONG index, IP_PER_ADAPTER_INFO *info, ULONG *s
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* FIXME
* Stub, returns FALSE.
*/
BOOL WINAPI GetRTTAndHopCount(IPAddr DestIpAddress, PULONG HopCount, ULONG MaxHops, PULONG RTT)
BOOL WINAPI GetRTTAndHopCount( IPAddr dest_ip_address, ULONG *hop_count, ULONG max_hops, ULONG *rtt )
{
FIXME("(DestIpAddress 0x%08lx, HopCount %p, MaxHops %ld, RTT %p): stub\n",
DestIpAddress, HopCount, MaxHops, RTT);
return FALSE;
char send_buffer[0x20] = { 0xDE, 0xAD, 0xBE, 0xEF };
char receive_buffer[sizeof(ICMP_ECHO_REPLY) + sizeof(send_buffer)];
const DWORD timeout = 5000;
DWORD replies;
IP_OPTION_INFORMATION send_options = { 0 };
ICMP_ECHO_REPLY *reply;
HANDLE icmp_handle;
TRACE( "(dest_ip_address 0x%08lx, hop_count %p, max_hops %ld, rtt %p)\n",
dest_ip_address, hop_count, max_hops, rtt );
if (!hop_count || !rtt || dest_ip_address == INADDR_NONE)
return FALSE;
if ((icmp_handle = IcmpCreateFile()) == INVALID_HANDLE_VALUE)
return FALSE;
for (send_options.Ttl = 1; send_options.Ttl <= max_hops; send_options.Ttl++)
{
replies = IcmpSendEcho( icmp_handle, dest_ip_address, send_buffer, sizeof(send_buffer),
&send_options, receive_buffer, sizeof(receive_buffer), timeout );
if (!replies)
{
if (GetLastError() == IP_TTL_EXPIRED_TRANSIT) continue;
if (GetLastError() == IP_REQ_TIMED_OUT) continue;
break;
}
reply = (PICMP_ECHO_REPLY)receive_buffer;
if (reply->Status == IP_SUCCESS)
{
*hop_count = send_options.Ttl;
*rtt = reply->RoundTripTime;
IcmpCloseHandle( icmp_handle );
return TRUE;
}
}
IcmpCloseHandle( icmp_handle );
return FALSE;
}
/******************************************************************