91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
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// PHZ
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// 2018-5-15
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#include "NetInterface.h"
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#include "Socket.h"
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using namespace xop;
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std::string NetInterface::GetLocalIPAddress()
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{
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#if defined(__linux) || defined(__linux__)
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SOCKET sockfd = 0;
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char buf[512] = { 0 };
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struct ifconf ifconf;
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struct ifreq *ifreq;
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sockfd = socket(AF_INET, SOCK_DGRAM, 0);
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if (sockfd == INVALID_SOCKET)
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{
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close(sockfd);
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return "0.0.0.0";
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}
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ifconf.ifc_len = 512;
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ifconf.ifc_buf = buf;
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if (ioctl(sockfd, SIOCGIFCONF, &ifconf) < 0)
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{
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close(sockfd);
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return "0.0.0.0";
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}
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close(sockfd);
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ifreq = (struct ifreq*)ifconf.ifc_buf;
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for (int i = (ifconf.ifc_len / sizeof(struct ifreq)); i>0; i--)
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{
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if (ifreq->ifr_flags == AF_INET)
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{
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if (strcmp(ifreq->ifr_name, "lo") != 0)
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{
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return inet_ntoa(((struct sockaddr_in*)&(ifreq->ifr_addr))->sin_addr);
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}
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ifreq++;
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}
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}
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return "0.0.0.0";
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#elif defined(WIN32) || defined(_WIN32)
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PIP_ADAPTER_INFO pIpAdapterInfo = new IP_ADAPTER_INFO();
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unsigned long size = sizeof(IP_ADAPTER_INFO);
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int ret = GetAdaptersInfo(pIpAdapterInfo, &size);
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if (ret == ERROR_BUFFER_OVERFLOW)
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{
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delete pIpAdapterInfo;
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pIpAdapterInfo = (PIP_ADAPTER_INFO)new BYTE[size];
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ret = GetAdaptersInfo(pIpAdapterInfo, &size);
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}
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if (ret != ERROR_SUCCESS)
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{
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delete pIpAdapterInfo;
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return "0.0.0.0";
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}
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while (pIpAdapterInfo)
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{
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IP_ADDR_STRING *pIpAddrString = &(pIpAdapterInfo->IpAddressList);
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while(pIpAddrString)
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{
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if (strcmp(pIpAddrString->IpAddress.String, "127.0.0.1")!=0
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&& strcmp(pIpAddrString->IpAddress.String, "0.0.0.0")!=0)
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{
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// pIpAddrString->IpMask.String
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//pIpAdapterInfo->GatewayList.IpAddress.String
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std::string ip(pIpAddrString->IpAddress.String);
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//delete pIpAdapterInfo;
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return ip;
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}
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pIpAddrString = pIpAddrString->Next;
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} while (pIpAddrString);
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pIpAdapterInfo = pIpAdapterInfo->Next;
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}
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delete pIpAdapterInfo;
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return "0.0.0.0";
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#else
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return "0.0.0.0";
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#endif
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}
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