c++获取网络收发字节数

#ifndef UNICODE
#define UNICODE
#endif

#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <stdio.h>
#include <iostream>
#pragma comment(lib, "iphlpapi.lib")

void ShowInterfaceInfo();

void Show1();
int Show2();
int Show3();


std::string UnicodeToANSI(const wchar_t* unicode);

#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))

/* Note: could also use malloc() and free() */

int main()
{
    while (1)
    {
        system("cls");
        //Show1();
        //Show2();
        //ShowInterfaceInfo();
        Show3();
        Sleep(1000);
    }
    return 0;
}



void Show1()
{
    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);
}

int Show2()
{

    // Declare and initialize variables.

    // Declare and initialize variables.
    DWORD dwSize = 0;
    DWORD dwRetVal = 0;

    unsigned int i, j;

    /* variables used for GetIfTable and GetIfEntry */
    MIB_IFTABLE *pIfTable;
    MIB_IFROW *pIfRow;

    // Allocate memory for our pointers.
    pIfTable = (MIB_IFTABLE *)MALLOC(sizeof(MIB_IFTABLE));
    if (pIfTable == NULL) {
        printf("Error allocating memory needed to call GetIfTable\n");
        exit(1);
    }
    // Before calling GetIfEntry, we call GetIfTable to make
    // sure there are entries to get and retrieve the interface index.

    // Make an initial call to GetIfTable to get the
    // necessary size into dwSize
    dwSize = sizeof(MIB_IFTABLE);
    if (GetIfTable(pIfTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
        FREE(pIfTable);
        pIfTable = (MIB_IFTABLE *)MALLOC(dwSize);
        if (pIfTable == NULL) {
            printf("Error allocating memory\n");
            exit(1);
        }
    }
    // Make a second call to GetIfTable to get the actual
    // data we want.
    if ((dwRetVal = GetIfTable(pIfTable, &dwSize, 0)) == NO_ERROR) {
        if (pIfTable->dwNumEntries > 0) {
            pIfRow = (MIB_IFROW *)MALLOC(sizeof(MIB_IFROW));
            if (pIfRow == NULL) {
                printf("Error allocating memory\n");
                if (pIfTable != NULL) {
                    FREE(pIfTable);
                    pIfTable = NULL;
                }
                exit(1);
            }

            printf("\tNum Entries: %ld\n\n", pIfTable->dwNumEntries);
            for (i = 0; i < pIfTable->dwNumEntries; i++) {
                pIfRow->dwIndex = pIfTable->table[i].dwIndex;
                if ((dwRetVal = GetIfEntry(pIfRow)) == NO_ERROR) {
                    printf("\tIndex:\t %ld\n", pIfRow->dwIndex);
                    printf("\tInterfaceName[%d]:\t ", i);
                    if (pIfRow->wszName != NULL)
                        printf("%ws", pIfRow->wszName);
                    printf("\n");

                    printf("\tDescription[%d]:\t ", i);
                    for (j = 0; j < pIfRow->dwDescrLen; j++)
                        printf("%c", pIfRow->bDescr[j]);
                    printf("\n");

                    printf("\tIndex[%d]:\t\t %d\n", i, pIfRow->dwIndex);

                    printf("\tType[%d]:\t\t ", i);
                    switch (pIfRow->dwType) {
                    case IF_TYPE_OTHER:
                        printf("Other\n");
                        break;
                    case IF_TYPE_ETHERNET_CSMACD:
                        printf("Ethernet\n");
                        break;
                    case IF_TYPE_ISO88025_TOKENRING:
                        printf("Token Ring\n");
                        break;
                    case IF_TYPE_PPP:
                        printf("PPP\n");
                        break;
                    case IF_TYPE_SOFTWARE_LOOPBACK:
                        printf("Software Lookback\n");
                        break;
                    case IF_TYPE_ATM:
                        printf("ATM\n");
                        break;
                    case IF_TYPE_IEEE80211:
                        printf("IEEE 802.11 Wireless\n");
                        break;
                    case IF_TYPE_TUNNEL:
                        printf("Tunnel type encapsulation\n");
                        break;
                    case IF_TYPE_IEEE1394:
                        printf("IEEE 1394 Firewire\n");
                        break;
                    default:
                        printf("Unknown type %ld\n", pIfRow->dwType);
                        break;
                    }

                    printf("\tMtu[%d]:\t\t %ld\n", i, pIfRow->dwMtu);
                    printf("\tSpeed[%d]:\t\t %ld\n", i, pIfRow->dwSpeed);
                    printf("\tInOctets[%d]:\t\t %ld\n", i, pIfRow->dwInOctets);
                    printf("\tOutOctets[%d]:\t\t %ld\n", i, pIfRow->dwOutOctets);
                    printf("\tPhysical Addr:\t\t ");

                    if (pIfRow->dwPhysAddrLen == 0)
                        printf("\n");
                    //                    for (j = 0; j < (int) pIfRow->dwPhysAddrLen; j++) {
                    for (j = 0; j < pIfRow->dwPhysAddrLen; j++) {
                        if (j == (pIfRow->dwPhysAddrLen - 1))
                            printf("%.2X\n", (int)pIfRow->bPhysAddr[j]);
                        else
                            printf("%.2X-", (int)pIfRow->bPhysAddr[j]);
                    }
                    printf("\tAdmin Status[%d]:\t %ld\n", i,
                        pIfRow->dwAdminStatus);

                    printf("\tOper Status[%d]:\t ", i);
                    switch (pIfRow->dwOperStatus) {
                    case IF_OPER_STATUS_NON_OPERATIONAL:
                        printf("Non Operational\n");
                        break;
                    case IF_OPER_STATUS_UNREACHABLE:
                        printf("Unreasonable\n");
                        break;
                    case IF_OPER_STATUS_DISCONNECTED:
                        printf("Disconnected\n");
                        break;
                    case IF_OPER_STATUS_CONNECTING:
                        printf("Connecting\n");
                        break;
                    case IF_OPER_STATUS_CONNECTED:
                        printf("Connected\n");
                        break;
                    case IF_OPER_STATUS_OPERATIONAL:
                        printf("Operational\n");
                        break;
                    default:
                        printf("Unknown status %ld\n",
                            pIfRow->dwOperStatus);
                        break;
                    }
                    printf("\n");
                }

                else {
                    printf("GetIfEntry failed for index %d with error: %ld\n",
                        i, dwRetVal);
                    // Here you can use FormatMessage to find out why 
                    // it failed.

                }
            }
        }
        else {
            printf("\tGetIfTable failed with error: %ld\n", dwRetVal);
        }

    }
    return 0;
}


void ShowInterfaceInfo()
{
    using namespace std;
    DWORD dwNum = 0;
    DWORD dwRet = GetNumberOfInterfaces(&dwNum);
    if (dwRet != NO_ERROR)
        return;
    PMIB_IFTABLE pIfTable = NULL;
    DWORD dwSize = 0;
    dwRet = GetIfTable(pIfTable, &dwSize, TRUE);
    if (dwRet == ERROR_INSUFFICIENT_BUFFER)
        pIfTable = (PMIB_IFTABLE)malloc(dwSize);
    dwRet = GetIfTable(pIfTable, &dwSize, TRUE);
    if (dwRet != NO_ERROR)
    {
        if (pIfTable != NULL)
            free(pIfTable);
        return;
    }

    for (int i = 0; i < pIfTable->dwNumEntries; i++)
    {
        PMIB_IFROW pIfRow = &pIfTable->table[i];
        if (pIfRow->dwType != IF_TYPE_ETHERNET_CSMACD && pIfRow->dwType != IF_TYPE_IEEE80211)
            continue;
        if (pIfRow->dwPhysAddrLen == 0)
            continue;
        printf("\tIndex:\t %ld\n", pIfRow->dwIndex);
        printf("\tInterfaceName[%d]:\t ", i);
        if (pIfRow->wszName != NULL)
            printf("%ws", pIfRow->wszName);
        printf("\n");

        printf("\tDescription[%d]:\t ", i);
        for (int j = 0; j < pIfRow->dwDescrLen; j++)
            printf("%c", pIfRow->bDescr[j]);
        printf("\n");

        printf("\tIndex[%d]:\t\t %d\n", i, pIfRow->dwIndex);

        printf("\tType[%d]:\t\t ", i);
        switch (pIfRow->dwType) {
        case IF_TYPE_OTHER:
            printf("Other\n");
            break;
        case IF_TYPE_ETHERNET_CSMACD:
            printf("Ethernet\n");
            break;
        case IF_TYPE_ISO88025_TOKENRING:
            printf("Token Ring\n");
            break;
        case IF_TYPE_PPP:
            printf("PPP\n");
            break;
        case IF_TYPE_SOFTWARE_LOOPBACK:
            printf("Software Lookback\n");
            break;
        case IF_TYPE_ATM:
            printf("ATM\n");
            break;
        case IF_TYPE_IEEE80211:
            printf("IEEE 802.11 Wireless\n");
            break;
        case IF_TYPE_TUNNEL:
            printf("Tunnel type encapsulation\n");
            break;
        case IF_TYPE_IEEE1394:
            printf("IEEE 1394 Firewire\n");
            break;
        default:
            printf("Unknown type %ld\n", pIfRow->dwType);
            break;
        }

        printf("\tMtu[%d]:\t\t %ld\n", i, pIfRow->dwMtu);
        printf("\tSpeed[%d]:\t\t %ld\n", i, pIfRow->dwSpeed);
        printf("\tInOctets[%d]:\t\t %ld\n", i, pIfRow->dwInOctets);
        printf("\tOutOctets[%d]:\t\t %ld\n", i, pIfRow->dwOutOctets);
        printf("\tPhysical Addr:\t\t ");

        if (pIfRow->dwPhysAddrLen == 0)
            printf("\n");
        //                    for (j = 0; j < (int) pIfRow->dwPhysAddrLen; j++) {
        for (int j = 0; j < pIfRow->dwPhysAddrLen; j++) {
            if (j == (pIfRow->dwPhysAddrLen - 1))
                printf("%.2X\n", (int)pIfRow->bPhysAddr[j]);
            else
                printf("%.2X-", (int)pIfRow->bPhysAddr[j]);
        }
        printf("\tAdmin Status[%d]:\t %ld\n", i,
            pIfRow->dwAdminStatus);

        printf("\tOper Status[%d]:\t ", i);
        switch (pIfRow->dwOperStatus) {
        case IF_OPER_STATUS_NON_OPERATIONAL:
            printf("Non Operational\n");
            break;
        case IF_OPER_STATUS_UNREACHABLE:
            printf("Unreasonable\n");
            break;
        case IF_OPER_STATUS_DISCONNECTED:
            printf("Disconnected\n");
            break;
        case IF_OPER_STATUS_CONNECTING:
            printf("Connecting\n");
            break;
        case IF_OPER_STATUS_CONNECTED:
            printf("Connected\n");
            break;
        case IF_OPER_STATUS_OPERATIONAL:
            printf("Operational\n");
            break;
        default:
            printf("Unknown status %ld\n",
                pIfRow->dwOperStatus);
            break;
        }
        printf("\n");
    }
    if (pIfTable != NULL)
        free(pIfTable);
}



#define WORKING_BUFFER_SIZE 15000
#define MAX_TRIES 3

int Show3()
{
    /* Declare and initialize variables */
    DWORD dwSize = 0;
    DWORD dwRetVal = 0;

    unsigned int i = 0;

    // Set the flags to pass to GetAdaptersAddresses
    ULONG flags = GAA_FLAG_INCLUDE_PREFIX;

    // default to unspecified address family (both)
    ULONG family = AF_UNSPEC;

    LPVOID lpMsgBuf = NULL;

    PIP_ADAPTER_ADDRESSES pAddresses = NULL;
    ULONG outBufLen = 0;
    ULONG Iterations = 0;

    PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
    PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
    PIP_ADAPTER_ANYCAST_ADDRESS pAnycast = NULL;
    PIP_ADAPTER_MULTICAST_ADDRESS pMulticast = NULL;
    IP_ADAPTER_DNS_SERVER_ADDRESS *pDnServer = NULL;
    IP_ADAPTER_PREFIX *pPrefix = NULL;

    //if (argc != 2) {
    //    printf(" Usage: getadapteraddresses family\n");
    //    printf("        getadapteraddresses 4 (for IPv4)\n");
    //    printf("        getadapteraddresses 6 (for IPv6)\n");
    //    printf("        getadapteraddresses A (for both IPv4 and IPv6)\n");
    //    exit(1);
    //}

    //if (atoi(argv[1]) == 4)
    //    family = AF_INET;
    //else if (atoi(argv[1]) == 6)
    //    family = AF_INET6;

    printf("Calling GetAdaptersAddresses function with family = ");
    if (family == AF_INET)
        printf("AF_INET\n");
    if (family == AF_INET6)
        printf("AF_INET6\n");
    if (family == AF_UNSPEC)
        printf("AF_UNSPEC\n\n");
    MIB_IFROW *pIfRow = (MIB_IFROW *)MALLOC(sizeof(MIB_IFROW));

    // Allocate a 15 KB buffer to start with.
    outBufLen = WORKING_BUFFER_SIZE;

    do {

        pAddresses = (IP_ADAPTER_ADDRESSES *)MALLOC(outBufLen);
        if (pAddresses == NULL) {
            printf
            ("Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n");
            exit(1);
        }

        dwRetVal =
            GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen);
        if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
            FREE(pAddresses);
            pAddresses = NULL;
        }
        else {
            break;
        }

        Iterations++;

    } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES));

    if (dwRetVal == NO_ERROR) {
        // If successful, output some information from the data we received
        pCurrAddresses = pAddresses;
        while (pCurrAddresses) {
            pIfRow->dwIndex = pCurrAddresses->IfIndex;
            if ((dwRetVal = GetIfEntry(pIfRow)) == NO_ERROR) {
                ;
            }
            else
            {
                // 拿不到信息
                pCurrAddresses = pCurrAddresses->Next;
                continue;
            }
            if (!pCurrAddresses->FriendlyName)
            {
                // 没有显示名
                pCurrAddresses = pCurrAddresses->Next;
                continue;
            }
            if (0 == pCurrAddresses->PhysicalAddressLength)
            {
                // 没有mac
                pCurrAddresses = pCurrAddresses->Next;
                continue;
            }

            std::string name = UnicodeToANSI(pCurrAddresses->FriendlyName);
            printf("\tFriendly name: %s\n", name.c_str());

            printf("\tLength of the IP_ADAPTER_ADDRESS struct: %ld\n",
                pCurrAddresses->Length);
            printf("\tIfIndex (IPv4 interface): %u\n", pCurrAddresses->IfIndex);
            printf("\tAdapter name: %s\n", pCurrAddresses->AdapterName);
            // 接收
            printf("\tInOctets[%d]:\t\t %ld\n", pCurrAddresses->IfIndex, pIfRow->dwInOctets);
            // 发送
            printf("\tOutOctets[%d]:\t\t %ld\n", pCurrAddresses->IfIndex, pIfRow->dwOutOctets);

            pUnicast = pCurrAddresses->FirstUnicastAddress;
            if (pUnicast != NULL) {
                for (i = 0; pUnicast != NULL; i++)
                    pUnicast = pUnicast->Next;
                printf("\tNumber of Unicast Addresses: %d\n", i);
            }
            else
                printf("\tNo Unicast Addresses\n");

            pAnycast = pCurrAddresses->FirstAnycastAddress;
            if (pAnycast) {
                for (i = 0; pAnycast != NULL; i++)
                    pAnycast = pAnycast->Next;
                printf("\tNumber of Anycast Addresses: %d\n", i);
            }
            else
                printf("\tNo Anycast Addresses\n");

            pMulticast = pCurrAddresses->FirstMulticastAddress;
            if (pMulticast) {
                for (i = 0; pMulticast != NULL; i++)
                    pMulticast = pMulticast->Next;
                printf("\tNumber of Multicast Addresses: %d\n", i);
            }
            else
                printf("\tNo Multicast Addresses\n");

            pDnServer = pCurrAddresses->FirstDnsServerAddress;
            if (pDnServer) {
                for (i = 0; pDnServer != NULL; i++)
                    pDnServer = pDnServer->Next;
                printf("\tNumber of DNS Server Addresses: %d\n", i);
            }
            else
                printf("\tNo DNS Server Addresses\n");

            printf("\tDNS Suffix: %wS\n", pCurrAddresses->DnsSuffix);
            printf("\tDescription: %wS\n", pCurrAddresses->Description);
            //printf("\tFriendly name: %wS\n", pCurrAddresses->FriendlyName);

            if (pCurrAddresses->PhysicalAddressLength != 0) {
                printf("\tPhysical address: ");
                for (i = 0; i < (int)pCurrAddresses->PhysicalAddressLength;
                    i++) {
                    if (i == (pCurrAddresses->PhysicalAddressLength - 1))
                        printf("%.2X\n",
                        (int)pCurrAddresses->PhysicalAddress[i]);
                    else
                        printf("%.2X-",
                        (int)pCurrAddresses->PhysicalAddress[i]);
                }
            }
            printf("\tFlags: %ld\n", pCurrAddresses->Flags);
            printf("\tMtu: %lu\n", pCurrAddresses->Mtu);
            printf("\tIfType: %ld\n", pCurrAddresses->IfType);


            printf("\tOperStatus: %ld\n", pCurrAddresses->OperStatus);
            printf("\tIpv6IfIndex (IPv6 interface): %u\n",
                pCurrAddresses->Ipv6IfIndex);
            printf("\tZoneIndices (hex): ");
            for (i = 0; i < 16; i++)
                printf("%lx ", pCurrAddresses->ZoneIndices[i]);
            printf("\n");

            printf("\tTransmit link speed: %I64u\n", pCurrAddresses->TransmitLinkSpeed);
            printf("\tReceive link speed: %I64u\n", pCurrAddresses->ReceiveLinkSpeed);

            pPrefix = pCurrAddresses->FirstPrefix;
            if (pPrefix) {
                for (i = 0; pPrefix != NULL; i++)
                    pPrefix = pPrefix->Next;
                printf("\tNumber of IP Adapter Prefix entries: %d\n", i);
            }
            else
                printf("\tNumber of IP Adapter Prefix entries: 0\n");

            printf("\n");

            pCurrAddresses = pCurrAddresses->Next;
        }
    }
    else {
        printf("Call to GetAdaptersAddresses failed with error: %d\n",
            dwRetVal);
        if (dwRetVal == ERROR_NO_DATA)
            printf("\tNo addresses were found for the requested parameters\n");
        else {

            if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                NULL, dwRetVal, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                // Default language
                (LPTSTR)& lpMsgBuf, 0, NULL)) {
                printf("\tError: %s", lpMsgBuf);
                LocalFree(lpMsgBuf);
                if (pAddresses)
                    FREE(pAddresses);
                exit(1);
            }
        }
    }

    if (pAddresses) {
        FREE(pAddresses);
    }
    if (pIfRow)
        FREE(pIfRow);

    return 0;
}



std::string UnicodeToANSI(const wchar_t* unicode)
{
#ifdef WIN32
    int textlen = WideCharToMultiByte(CP_ACP, 0, unicode, -1, NULL, 0, NULL, NULL);
    char* pBuffer = new char[textlen + 1];
    memset(pBuffer, 0, sizeof(char) * (textlen + 1));
    WideCharToMultiByte(CP_ACP, 0, unicode, -1, pBuffer, textlen, NULL, NULL);
    std::string ansi{ pBuffer };
    delete[] pBuffer;
    return ansi;
#else
    QString string = "...";
    QTextCodec *codec = QTextCodec::codecForName("GBK");
    QByteArray encodedString = codec->fromUnicode(string);

    return nullptr;
#endif
}

参考：

https://docs.microsoft.com/en-us/windows/win32/api/iphlpapi/nf-iphlpapi-getadaptersaddresses

https://docs.microsoft.com/en-us/windows/win32/api/iphlpapi/nf-iphlpapi-getifentry

https://docs.microsoft.com/en-us/windows/win32/api/iphlpapi/nf-iphlpapi-getiftable