GetAdaptersInfoでネットワークアダプタ情報を取得します。
#include <stdio.h>
#include <tchar.h>
#include <iostream>
#include <fstream>
#include <winsock2.h>
#include <iphlpapi.h>
#include <windows.h>
// ライブラリ
#pragma comment( lib, "Iphlpapi.lib" )
/*
ファイルサイズの取得
*/
int _tmain
(
int argc
, _TCHAR* argv[]
)
{
// 標準出力にユニコードを表示できるようにする
setlocale( LC_ALL, "Japanese" );
ULONG qOutBufLen = sizeof( IP_ADAPTER_INFO );
// メモリの確保
IP_ADAPTER_INFO* pIpAdapterInfo = (IP_ADAPTER_INFO*)malloc( qOutBufLen );
if ( NULL == pIpAdapterInfo ) {
// メモリ不足
return( -1 );
}
// アダプター情報の取得
DWORD dwResult = ::GetAdaptersInfo( pIpAdapterInfo, &qOutBufLen );
if ( NO_ERROR != dwResult ) {
// バッファ不足
if ( ERROR_BUFFER_OVERFLOW == dwResult ) {
// メモリ解放
free( pIpAdapterInfo );
// メモリ確保
pIpAdapterInfo = (IP_ADAPTER_INFO*)malloc( qOutBufLen );
if ( NULL == pIpAdapterInfo ) {
// メモリ不足
return( -1 );
}
else {
// アダプター情報の取得
dwResult = ::GetAdaptersInfo( pIpAdapterInfo, &qOutBufLen );
}
}
}
if ( NO_ERROR == dwResult ) {
IP_ADAPTER_INFO* pAdapter = pIpAdapterInfo;
while( pAdapter ) {
std::wcout << L"ComboIndex = " << pAdapter->ComboIndex << std::endl;
std::wcout << L"AdapterName = " << pAdapter->AdapterName << std::endl;
std::wcout << L"Description = " << pAdapter->Description << std::endl;
std::wcout << L"Address = ";
for ( int nI = 0; nI < (int)pAdapter->AddressLength; nI++ ) {
if ( nI == ( pAdapter->AddressLength - 1 ) ) {
wprintf( L"%.2X¥n", (int)pAdapter->Address[ nI ] );
} else {
wprintf( L"%.2X-", (int)pAdapter->Address[ nI ] );
}
}
std::wcout << L"Type = ";
switch( pAdapter->Type ) {
case MIB_IF_TYPE_OTHER: std::wcout << L"MIB_IF_TYPE_OTHER" << std::endl; break;
case MIB_IF_TYPE_ETHERNET: std::wcout << L"MIB_IF_TYPE_ETHERNET" << std::endl; break;
case MIB_IF_TYPE_TOKENRING: std::wcout << L"MIB_IF_TYPE_TOKENRING" << std::endl; break;
case MIB_IF_TYPE_FDDI: std::wcout << L"MIB_IF_TYPE_FDDI" << std::endl; break;
case MIB_IF_TYPE_PPP: std::wcout << L"MIB_IF_TYPE_PPP" << std::endl; break;
case MIB_IF_TYPE_LOOPBACK: std::wcout << L"MIB_IF_TYPE_LOOPBACK" << std::endl; break;
case MIB_IF_TYPE_SLIP: std::wcout << L"MIB_IF_TYPE_SLIP" << std::endl; break;
default:
std::wcout << L"Unknown type( " << pAdapter->Type << L" )" << std::endl; break;
break;
}
std::wcout << L"IpAddress = "
<< pAdapter->IpAddressList.IpAddress.String << std::endl;
std::wcout << L"GatewayList = "
<< pAdapter->GatewayList.IpAddress.String << std::endl;
std::wcout << L"DhcpEnabled = "
<< pAdapter->DhcpEnabled << std::endl;
if ( FALSE != pAdapter->DhcpEnabled ) {
CHAR caBuffer[ 32 ];
struct tm newtime;
errno_t error;
std::wcout << L"DhcpServer = "
<< pAdapter->DhcpServer.IpAddress.String << std::endl;
std::wcout << L"LeaseObtained = ";
error = _localtime32_s( &newtime, (__time32_t*) &pAdapter->LeaseObtained );
if ( FALSE == error ) {
error = asctime_s( caBuffer, 32, &newtime );
if ( FALSE == error ) {
std::wcout << caBuffer;
}
}
std::wcout << L"LeaseExpires = ";
error = _localtime32_s( &newtime, (__time32_t*) &pAdapter->LeaseExpires );
if ( FALSE == error ) {
error = asctime_s( caBuffer, 32, &newtime );
if ( FALSE == error ) {
std::wcout << caBuffer;
}
}
}
else {
}
std::wcout << L"HaveWins = " << pAdapter->HaveWins << std::endl;
if ( FALSE != pAdapter->HaveWins ) {
std::wcout << L"PrimaryWinsServer = "
<< pAdapter->PrimaryWinsServer.IpAddress.String << std::endl;
std::wcout << L"SecondaryWinsServer = "
<< pAdapter->SecondaryWinsServer.IpAddress.String << std::endl;
}
std::wcout << std::endl;
pAdapter = pAdapter->Next;
}
}
// メモリ解放
free( pIpAdapterInfo );
// 正常終了
return( 0 );
}
ComboIndex = 2
AdapterName = {E40FE84B-D7F3-4E0E-B122-724F561A5CD8}
Description = Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller
Address = 00-11-22-33-44-55
Type = MIB_IF_TYPE_ETHERNET
IpAddress = 192.168.0.13
GatewayList = 192.168.0.11
DhcpEnabled = 1
DhcpServer = 192.168.0.11
LeaseObtained = Tue Aug 26 20:14:13 2014
LeaseExpires = Wed May 13 15:39:44 1970
HaveWins = 0
ComboIndex = 8
AdapterName = {828D80B6-2D16-44D1-99FD-A3CA65FF9272}
Description = VMware Virtual Ethernet Adapter for VMnet1
Address = 00-11-22-33-44-66
Type = MIB_IF_TYPE_ETHERNET
IpAddress = 192.168.32.11
GatewayList = 0.0.0.0
DhcpEnabled = 0
HaveWins = 0
ComboIndex = 9
AdapterName = {927D2471-2673-414B-9D9B-62E3EBF7782D}
Description = VMware Virtual Ethernet Adapter for VMnet8
Address = 00-11-22-33-44-77
Type = MIB_IF_TYPE_ETHERNET
IpAddress = 192.168.17.11
GatewayList = 0.0.0.0
DhcpEnabled = 0
HaveWins = 0
