487 (timeout < 1000) ? 1000 : timeout); // DWORD Timeout
488 }
489
490 if (dwRetVal == 0) { // if the call failed
491 TCHAR *buf;
492 DWORD err = WSAGetLastError();
493 switch (err) {
494 case ERROR_NO_NETWORK:
495 case ERROR_NETWORK_UNREACHABLE:
496 case ERROR_HOST_UNREACHABLE:
497 case ERROR_PROTOCOL_UNREACHABLE:
498 case ERROR_PORT_UNREACHABLE:
499 case ERROR_REQUEST_ABORTED:
500 case ERROR_INCORRECT_ADDRESS:
501 case ERROR_HOST_DOWN:
502 case WSAEHOSTUNREACH: /* Host Unreachable */
503 case WSAENETUNREACH: /* Network Unreachable */
504 case WSAENETDOWN: /* Network is down */
505 case WSAEPFNOSUPPORT: /* Protocol Family unsupported */
506 case IP_REQ_TIMED_OUT:
507 break;
508 default:
509 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
510 NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
511 (LPTSTR)&buf, 0, NULL);
512 NET_ThrowNew(env, err, buf);
513 LocalFree(buf);
514 break;
515 }
516 } else {
517 PICMP_ECHO_REPLY pEchoReply = (PICMP_ECHO_REPLY)ReplyBuffer;
518
519 // This is to take into account the undocumented minimum
520 // timeout mentioned in the IcmpSendEcho call above.
521 // We perform an extra check to make sure that our
522 // roundtrip time was less than our desired timeout
523 // for cases where that timeout is < 1000ms.
524 if (pEchoReply->Status == IP_SUCCESS
525 && (int)pEchoReply->RoundTripTime <= timeout)
526 {
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487 (timeout < 1000) ? 1000 : timeout); // DWORD Timeout
488 }
489
490 if (dwRetVal == 0) { // if the call failed
491 TCHAR *buf;
492 DWORD err = WSAGetLastError();
493 switch (err) {
494 case ERROR_NO_NETWORK:
495 case ERROR_NETWORK_UNREACHABLE:
496 case ERROR_HOST_UNREACHABLE:
497 case ERROR_PROTOCOL_UNREACHABLE:
498 case ERROR_PORT_UNREACHABLE:
499 case ERROR_REQUEST_ABORTED:
500 case ERROR_INCORRECT_ADDRESS:
501 case ERROR_HOST_DOWN:
502 case WSAEHOSTUNREACH: /* Host Unreachable */
503 case WSAENETUNREACH: /* Network Unreachable */
504 case WSAENETDOWN: /* Network is down */
505 case WSAEPFNOSUPPORT: /* Protocol Family unsupported */
506 case IP_REQ_TIMED_OUT:
507 case ERROR_INVALID_COMPUTERNAME:
508 case ERROR_INVALID_NETNAME:
509 break;
510 default:
511 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
512 NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
513 (LPTSTR)&buf, 0, NULL);
514 NET_ThrowNew(env, err, buf);
515 LocalFree(buf);
516 break;
517 }
518 } else {
519 PICMP_ECHO_REPLY pEchoReply = (PICMP_ECHO_REPLY)ReplyBuffer;
520
521 // This is to take into account the undocumented minimum
522 // timeout mentioned in the IcmpSendEcho call above.
523 // We perform an extra check to make sure that our
524 // roundtrip time was less than our desired timeout
525 // for cases where that timeout is < 1000ms.
526 if (pEchoReply->Status == IP_SUCCESS
527 && (int)pEchoReply->RoundTripTime <= timeout)
528 {
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