MS делает доступным набор вспомогательных функций IP (https://docs.microsoft.com/en-us/windows/desktop/api/_iphlp/),, который позволяет управлять и контролировать весь стек IP (собственный протокол IP и производный).
Вы можете использовать функции мониторинга, предназначенные для IP , TCP или UDP :
GetIpStatistics()
GetUdpStatistics()
GetTcpStatistics()
MS предоставляет функциональный образец в https://docs.microsoft.com/en-us/windows/desktop/api/iphlpapi/nf-iphlpapi-getipstatistics,, о котором я сообщаю:
#ifndef UNICODE
#define UNICODE
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <stdio.h>
#pragma comment(lib, "iphlpapi.lib")
#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
/* Note: could also use malloc() and free() */
int main()
{
DWORD dwRetval;
MIB_IPSTATS *pStats;
pStats = (MIB_IPSTATS *) MALLOC(sizeof (MIB_IPSTATS));
if (pStats == NULL) {
wprintf(L"Unable to allocate memory for MIB_IPSTATS\n");
exit(1);
}
dwRetval = GetIpStatistics(pStats);
if (dwRetval != NO_ERROR) {
wprintf(L"GetIpStatistics call failed with %d\n", dwRetval);
exit(1);
} else {
wprintf(L"IP forwarding: \t\t" );
switch (pStats->dwForwarding) {
case MIB_IP_FORWARDING:
wprintf(L"Enabled\n");
break;
case MIB_IP_NOT_FORWARDING:
wprintf(L"Disabled\n");
break;
default:
wprintf(L"unknown value = %d\n", pStats->dwForwarding);
break;
}
wprintf(L"Default initial TTL: \t\t\t\t\t%u\n", pStats->dwDefaultTTL);
wprintf(L"Number of received datagrams: \t\t\t\t%u\n", pStats->dwInReceives);
wprintf(L"Number of received datagrams with header errors: \t%u\n", pStats->dwInHdrErrors);
wprintf(L"Number of received datagrams with address errors: \t%u\n", pStats->dwInAddrErrors);
wprintf(L"Number of datagrams forwarded: \t\t\t\t%ld\n", pStats->dwForwDatagrams);
wprintf(L"Number of received datagrams with an unknown protocol: \t%u\n", pStats->dwInUnknownProtos);
wprintf(L"Number of received datagrams discarded: \t\t%u\n", pStats->dwInDiscards);
wprintf(L"Number of received datagrams delivered: \t\t%u\n", pStats->dwInDelivers);
wprintf(L"Number of outgoing datagrams requested to transmit: \t%u\n", pStats->dwOutRequests);
wprintf(L"Number of outgoing datagrams discarded for routing: \t%u\n", pStats->dwRoutingDiscards);
wprintf(L"Number of outgoing datagrams discarded: \t\t%u\n", pStats->dwOutDiscards);
wprintf(L"Number of outgoing datagrams with no route to destination discarded: %u\n", pStats->dwOutNoRoutes);
wprintf(L"Fragment reassembly timeout: \t\t\t\t%u\n", pStats->dwReasmTimeout);
wprintf(L"Number of datagrams that required reassembly: \t\t%u\n", pStats->dwReasmReqds);
wprintf(L"Number of datagrams successfully reassembled: \t\t%u\n", pStats->dwReasmOks);
wprintf(L"Number of datagrams that could not be reassembled: \t%u\n", pStats->dwReasmFails);
wprintf(L"Number of datagrams fragmented successfully: \t\t%u\n", pStats->dwFragOks);
wprintf(L"Number of datagrams not fragmented and discarded: \t%u\n", pStats->dwFragFails);
wprintf(L"Number of fragments created: \t\t\t\t%u\n", pStats->dwFragCreates);
wprintf(L"Number of interfaces: \t\t\t\t\t%u\n", pStats->dwNumIf);
wprintf(L"Number of IP addresses: \t\t\t\t%u\n", pStats->dwNumAddr);
wprintf(L"Number of routes: \t\t\t\t\t%u\n", pStats->dwNumRoutes);
}
// Free memory allocated for the MIB_IPSTATS structure
if (pStats)
FREE(pStats);
return 0;
}
Этот код можно повторно использовать для каждой из функций, относящихся кIP, TCP и UDP, заменив вспомогательную функцию на соответствующую.
Существует также расширенная версия для тех функций, которые позволяют ограничить мониторинг IPV4 или IPV6.
Подробная информация доступна на странице MS помощника IP.