c++获取本机网卡信息(IP,MAC,网关,子网掩码)
2016-11-25 15:18
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int getIP_Mac_GateMac(int adapter, char** ip, int mac[6], int gateMac[6]) //adapter:选择的网卡序号
{
//PIP_ADAPTER_INFO结构体指针存储本机网卡信息
PIP_ADAPTER_INFO pIpAdapterInfo = new IP_ADAPTER_INFO();
PIP_ADAPTER_INFO pIpAdapter;
*ip = (char*)malloc(12 * sizeof(char));
//得到结构体大小,用于GetAdaptersInfo参数
unsigned long stSize = sizeof(IP_ADAPTER_INFO);
//调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量;其中stSize参数既是一个输入量也是一个输出量
int nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
//记录网卡数量
int netCardNum = 0;
//记录每张网卡上的IP地址数量
int IPnumPerNetCard = 0;
if (ERROR_BUFFER_OVERFLOW == nRel)
{
//如果函数返回的是ERROR_BUFFER_OVERFLOW
//则说明GetAdaptersInfo参数传递的内存空间不够,同时其传出stSize,表示需要的空间大小
//这也是说明为什么stSize既是一个输入量也是一个输出量
//释放原来的内存空间
delete pIpAdapterInfo;
//重新申请内存空间用来存储所有网卡信息
pIpAdapterInfo = (PIP_ADAPTER_INFO)new BYTE[stSize];
//再次调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量
nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
}
if (ERROR_SUCCESS == nRel)
{
//输出网卡信息
//可能有多网卡,因此通过循环去判断
pIpAdapter = pIpAdapterInfo;
while (--adapter>0)
pIpAdapter = pIpAdapter->Next;
cout << "网卡数量:" << ++netCardNum << endl;
cout << "网卡名称:" << pIpAdapter->AdapterName << endl;
cout << "网卡描述:" << pIpAdapter->Description << endl;
switch (pIpAdapter->Type)
{
case MIB_IF_TYPE_OTHER:
cout << "网卡类型:" << "OTHER" << endl;
break;
case MIB_IF_TYPE_ETHERNET:
cout << "网卡类型:" << "ETHERNET" << endl;
break;
case MIB_IF_TYPE_TOKENRING:
cout << "网卡类型:" << "TOKENRING" << endl;
break;
case MIB_IF_TYPE_FDDI:
cout << "网卡类型:" << "FDDI" << endl;
break;
case MIB_IF_TYPE_PPP:
printf("PP\n");
cout << "网卡类型:" << "PPP" << endl;
break;
case MIB_IF_TYPE_LOOPBACK:
cout << "网卡类型:" << "LOOPBACK" << endl;
break;
case MIB_IF_TYPE_SLIP:
cout << "网卡类型:" << "SLIP" << endl;
break;
default:
break;
}
cout << "网卡MAC地址:";
for (DWORD i = 0; i < pIpAdapter->AddressLength; i++)
if (i < pIpAdapter->AddressLength - 1)
{
mac[i] = pIpAdapter->Address[i];
printf("%02X-", pIpAdapter->Address[i]);
}
else
{
mac[i] = pIpAdapter->Address[i];
printf("%02X\n", pIpAdapter->Address[i]);
}
cout << "网卡IP地址如下:" << endl;
//可能网卡有多IP,因此通过循环去判断
IP_ADDR_STRING *pIpAddrString = &(pIpAdapter->IpAddressList);
do
{
cout << "该网卡上的IP数量:" << ++IPnumPerNetCard << endl;
cout << "IP 地址:" << pIpAddrString->IpAddress.String << endl;
strcpy(*ip, pIpAddrString->IpAddress.String);
//*ip = pIpAddrString->IpAddress.String;
cout << "子网地址:" << pIpAddrString->IpMask.String << endl;
//pIpAdapter->GatewayList.IpAddress.String;
cout << "网关地址:" << pIpAdapter->GatewayList.IpAddress.String << endl;
getGateMac(pIpAddrString->IpAddress.String, pIpAdapter->GatewayList.IpAddress.String, gateMac);
pIpAddrString = pIpAddrString->Next;
} while (pIpAddrString);
//pIpAdapter = pIpAdapter->Next;
cout << "--------------------------------------------------------------------" << endl;
}
//释放内存空间
if (pIpAdapterInfo)
{
delete pIpAdapterInfo;
}
return 0;
}
{
//PIP_ADAPTER_INFO结构体指针存储本机网卡信息
PIP_ADAPTER_INFO pIpAdapterInfo = new IP_ADAPTER_INFO();
PIP_ADAPTER_INFO pIpAdapter;
*ip = (char*)malloc(12 * sizeof(char));
//得到结构体大小,用于GetAdaptersInfo参数
unsigned long stSize = sizeof(IP_ADAPTER_INFO);
//调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量;其中stSize参数既是一个输入量也是一个输出量
int nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
//记录网卡数量
int netCardNum = 0;
//记录每张网卡上的IP地址数量
int IPnumPerNetCard = 0;
if (ERROR_BUFFER_OVERFLOW == nRel)
{
//如果函数返回的是ERROR_BUFFER_OVERFLOW
//则说明GetAdaptersInfo参数传递的内存空间不够,同时其传出stSize,表示需要的空间大小
//这也是说明为什么stSize既是一个输入量也是一个输出量
//释放原来的内存空间
delete pIpAdapterInfo;
//重新申请内存空间用来存储所有网卡信息
pIpAdapterInfo = (PIP_ADAPTER_INFO)new BYTE[stSize];
//再次调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量
nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
}
if (ERROR_SUCCESS == nRel)
{
//输出网卡信息
//可能有多网卡,因此通过循环去判断
pIpAdapter = pIpAdapterInfo;
while (--adapter>0)
pIpAdapter = pIpAdapter->Next;
cout << "网卡数量:" << ++netCardNum << endl;
cout << "网卡名称:" << pIpAdapter->AdapterName << endl;
cout << "网卡描述:" << pIpAdapter->Description << endl;
switch (pIpAdapter->Type)
{
case MIB_IF_TYPE_OTHER:
cout << "网卡类型:" << "OTHER" << endl;
break;
case MIB_IF_TYPE_ETHERNET:
cout << "网卡类型:" << "ETHERNET" << endl;
break;
case MIB_IF_TYPE_TOKENRING:
cout << "网卡类型:" << "TOKENRING" << endl;
break;
case MIB_IF_TYPE_FDDI:
cout << "网卡类型:" << "FDDI" << endl;
break;
case MIB_IF_TYPE_PPP:
printf("PP\n");
cout << "网卡类型:" << "PPP" << endl;
break;
case MIB_IF_TYPE_LOOPBACK:
cout << "网卡类型:" << "LOOPBACK" << endl;
break;
case MIB_IF_TYPE_SLIP:
cout << "网卡类型:" << "SLIP" << endl;
break;
default:
break;
}
cout << "网卡MAC地址:";
for (DWORD i = 0; i < pIpAdapter->AddressLength; i++)
if (i < pIpAdapter->AddressLength - 1)
{
mac[i] = pIpAdapter->Address[i];
printf("%02X-", pIpAdapter->Address[i]);
}
else
{
mac[i] = pIpAdapter->Address[i];
printf("%02X\n", pIpAdapter->Address[i]);
}
cout << "网卡IP地址如下:" << endl;
//可能网卡有多IP,因此通过循环去判断
IP_ADDR_STRING *pIpAddrString = &(pIpAdapter->IpAddressList);
do
{
cout << "该网卡上的IP数量:" << ++IPnumPerNetCard << endl;
cout << "IP 地址:" << pIpAddrString->IpAddress.String << endl;
strcpy(*ip, pIpAddrString->IpAddress.String);
//*ip = pIpAddrString->IpAddress.String;
cout << "子网地址:" << pIpAddrString->IpMask.String << endl;
//pIpAdapter->GatewayList.IpAddress.String;
cout << "网关地址:" << pIpAdapter->GatewayList.IpAddress.String << endl;
getGateMac(pIpAddrString->IpAddress.String, pIpAdapter->GatewayList.IpAddress.String, gateMac);
pIpAddrString = pIpAddrString->Next;
} while (pIpAddrString);
//pIpAdapter = pIpAdapter->Next;
cout << "--------------------------------------------------------------------" << endl;
}
//释放内存空间
if (pIpAdapterInfo)
{
delete pIpAdapterInfo;
}
return 0;
}
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