99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
// 这里是其他函数实现的源Demo
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#include <winsock2.h>
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#include <iphlpapi.h>
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#include <iostream>
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int NetWorkInter()
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{
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//PIP_ADAPTER_INFO结构体指针存储本机网卡信息
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PIP_ADAPTER_INFO pIpAdapterInfo = new IP_ADAPTER_INFO();
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//得到结构体大小,用于GetAdaptersInfo参数
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unsigned long stSize = sizeof(IP_ADAPTER_INFO);
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//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
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int nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
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//记录网卡数量
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int netCardNum = 0;
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//记录每张网卡上的IP地址数量
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int IPnumPerNetCard = 0;
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if (ERROR_BUFFER_OVERFLOW == nRel)
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{
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//如果函数返回的是ERROR_BUFFER_OVERFLOW
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//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
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//这也是说明为什么stSize既是一个输入量也是一个输出量
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//释放原来的内存空间
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delete pIpAdapterInfo;
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//重新申请内存空间用来存储所有网卡信息
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pIpAdapterInfo = (PIP_ADAPTER_INFO)new BYTE[stSize];
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//再次调用GetAdaptersInfo函数,填充pIpAdapterInfo指针变量
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nRel = GetAdaptersInfo(pIpAdapterInfo, &stSize);
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}
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if (ERROR_SUCCESS == nRel)
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{
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//输出网卡信息
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//可能有多网卡,因此通过循环去判断
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while (pIpAdapterInfo)
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{
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std::cout << "网卡数量：" << ++netCardNum << std::endl;
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std::cout << "网卡名称：" << pIpAdapterInfo->AdapterName << std::endl;
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std::cout << "网卡描述：" << pIpAdapterInfo->Description << std::endl;
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switch (pIpAdapterInfo->Type)
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{
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case MIB_IF_TYPE_OTHER:
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std::cout << "网卡类型：" << "OTHER" << std::endl;
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break;
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case MIB_IF_TYPE_ETHERNET:
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std::cout << "网卡类型：" << "ETHERNET" << std::endl;
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break;
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case MIB_IF_TYPE_TOKENRING:
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std::cout << "网卡类型：" << "TOKENRING" << std::endl;
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break;
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case MIB_IF_TYPE_FDDI:
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std::cout << "网卡类型：" << "FDDI" << std::endl;
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break;
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case MIB_IF_TYPE_PPP:
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printf("PP\n");
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std::cout << "网卡类型：" << "PPP" << std::endl;
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break;
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case MIB_IF_TYPE_LOOPBACK:
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std::cout << "网卡类型：" << "LOOPBACK" << std::endl;
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break;
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case MIB_IF_TYPE_SLIP:
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std::cout << "网卡类型：" << "SLIP" << std::endl;
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break;
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default:
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break;
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}
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std::cout << "网卡MAC地址：";
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for (DWORD i = 0; i < pIpAdapterInfo->AddressLength; i++)
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if (i < pIpAdapterInfo->AddressLength - 1)
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{
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printf("%02X-", pIpAdapterInfo->Address[i]);
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}
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else
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{
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printf("%02X\n", pIpAdapterInfo->Address[i]);
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}
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std::cout << "网卡IP地址如下：" << std::endl;
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//可能网卡有多IP,因此通过循环去判断
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IP_ADDR_STRING *pIpAddrString = &(pIpAdapterInfo->IpAddressList);
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do
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{
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std::cout << "该网卡上的IP数量：" << ++IPnumPerNetCard << std::endl;
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std::cout << "IP 地址：" << pIpAddrString->IpAddress.String << std::endl;
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std::cout << "子网地址：" << pIpAddrString->IpMask.String << std::endl;
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std::cout << "网关地址：" << pIpAdapterInfo->GatewayList.IpAddress.String << std::endl;
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pIpAddrString = pIpAddrString->Next;
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} while (pIpAddrString);
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pIpAdapterInfo = pIpAdapterInfo->Next;
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std::cout << "--------------------------------------------------------------------" << std::endl;
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}
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}
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//释放内存空间
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if (pIpAdapterInfo)
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{
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delete pIpAdapterInfo;
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}
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return 0;
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} |