[C++][Socket] 类似windows Ipconfig的小工具
?? ?发现《Windows网络编程技术》中还是有不少很不错的东西哦，比如说类似Ipconfig的demo。贴出来学习一下。
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#include <windows.h>#include <iphlpapi.h>#include <stdio.h>#include <time.h>void main(void) { DWORD Err; PFIXED_INFO pFixedInfo; DWORD FixedInfoSize = 0; PIP_ADAPTER_INFO pAdapterInfo, pAdapt; DWORD AdapterInfoSize; PIP_ADDR_STRING pAddrStr; // // Get the main IP configuration information for this machine using a FIXED_INFO structure // if ((Err = GetNetworkParams(NULL, &FixedInfoSize)) != 0) { if (Err != ERROR_BUFFER_OVERFLOW) { printf("GetNetworkParams sizing failed with error %d\n", Err); return; } } // Allocate memory from sizing information if ((pFixedInfo = (PFIXED_INFO) GlobalAlloc(GPTR, FixedInfoSize)) == NULL) { printf("Memory allocation error\n"); return; } if ((Err = GetNetworkParams(pFixedInfo, &FixedInfoSize)) == 0) { printf("\tHost Name . . . . . . . . . : %s\n", pFixedInfo->HostName); printf("\tDNS Servers . . . . . . . . : %s\n", pFixedInfo->DnsServerList.IpAddress.String); pAddrStr = pFixedInfo->DnsServerList.Next; while(pAddrStr) { printf("%52s\n", pAddrStr->IpAddress.String); pAddrStr = pAddrStr->Next; } printf("\tNode Type . . . . . . . . . : "); switch (pFixedInfo->NodeType) { case 1: printf("%s\n", "Broadcast"); break; case 2: printf("%s\n", "Peer to peer"); break; case 4: printf("%s\n", "Mixed"); break; case 8: printf("%s\n", "Hybrid"); break; default: printf("\n"); } printf("\tNetBIOS Scope ID. . . . . . : %s\n", pFixedInfo->ScopeId); printf("\tIP Routing Enabled. . . . . : %s\n", (pFixedInfo->EnableRouting ? "yes" : "no")); printf("\tWINS Proxy Enabled. . . . . : %s\n", (pFixedInfo->EnableProxy ? "yes" : "no")); printf("\tNetBIOS Resolution Uses DNS : %s\n", (pFixedInfo->EnableDns ? "yes" : "no")); } else { printf("GetNetworkParams failed with error %d\n", Err); return; } // // Enumerate all of the adapter specific information using the IP_ADAPTER_INFO structure. // Note: IP_ADAPTER_INFO contains a linked list of adapter entries. // AdapterInfoSize = 0; if ((Err = GetAdaptersInfo(NULL, &AdapterInfoSize)) != 0) { if (Err != ERROR_BUFFER_OVERFLOW) { printf("GetAdaptersInfo sizing failed with error %d\n", Err); return; } } // Allocate memory from sizing information if ((pAdapterInfo = (PIP_ADAPTER_INFO) GlobalAlloc(GPTR, AdapterInfoSize)) == NULL) { printf("Memory allocation error\n"); return; } // Get actual adapter information if ((Err = GetAdaptersInfo(pAdapterInfo, &AdapterInfoSize)) != 0) { printf("GetAdaptersInfo failed with error %d\n", Err); return; } pAdapt = pAdapterInfo; while (pAdapt) { switch (pAdapt->Type) { case MIB_IF_TYPE_ETHERNET: printf("\nEthernet adapter "); break; case MIB_IF_TYPE_TOKENRING: printf("\nToken Ring adapter "); break; case MIB_IF_TYPE_FDDI: printf("\nFDDI adapter "); break; case MIB_IF_TYPE_PPP: printf("\nPPP adapter "); break; case MIB_IF_TYPE_LOOPBACK: printf("\nLoopback adapter "); break; case MIB_IF_TYPE_SLIP: printf("\nSlip adapter "); break; case MIB_IF_TYPE_OTHER: default: printf("\nOther adapter "); } printf("%s:\n\n", pAdapt->AdapterName); printf("\tDescription . . . . . . . . : %s\n", pAdapt->Description); printf("\tPhysical Address. . . . . . : "); for (UINT i=0; i<pAdapt->AddressLength; i++) { if (i == (pAdapt->AddressLength - 1)) printf("%.2X\n",(int)pAdapt->Address[i]); else printf("%.2X-",(int)pAdapt->Address[i]); } printf("\tDHCP Enabled. . . . . . . . : %s\n", (pAdapt->DhcpEnabled ? "yes" : "no")); pAddrStr = &(pAdapt->IpAddressList); while(pAddrStr) { printf("\tIP Address. . . . . . . . . : %s\n", pAddrStr->IpAddress.String); printf("\tSubnet Mask . . . . . . . . : %s\n", pAddrStr->IpMask.String); pAddrStr = pAddrStr->Next; } printf("\tDefault Gateway . . . . . . : %s\n", pAdapt->GatewayList.IpAddress.String); pAddrStr = pAdapt->GatewayList.Next; while(pAddrStr) { printf("%52s\n", pAddrStr->IpAddress.String); pAddrStr = pAddrStr->Next; } printf("\tDHCP Server . . . . . . . . : %s\n", pAdapt->DhcpServer.IpAddress.String); printf("\tPrimary WINS Server . . . . : %s\n", pAdapt->PrimaryWinsServer.IpAddress.String); printf("\tSecondary WINS Server . . . : %s\n", pAdapt->SecondaryWinsServer.IpAddress.String); struct tm *newtime; // Display coordinated universal time - GMT newtime = gmtime(&pAdapt->LeaseObtained); printf( "\tLease Obtained. . . . . . . : %s", asctime( newtime ) ); newtime = gmtime(&pAdapt->LeaseExpires); printf( "\tLease Expires . . . . . . . : %s", asctime( newtime ) ); pAdapt = pAdapt->Next; }}?