int GetLocalIp(vector<string> &vIp)
{
WSADATA wsaData;
int iRet = WSAStartup(((2 << 8) & 0xffff) | (2 & 0xff), &wsaData);
if (iRet != 0) {
std::cerr << "WSAStartup failed: " << iRet << std::endl;
return 1;
}
// 获取本机名
char hostname256;
int result = gethostname(hostname, sizeof(hostname));
if (result != 0) {
std::cerr << "gethostname failed: " << WSAGetLastError() << std::endl;
WSACleanup();
return 1;
}
// 获取主机信息
struct hostent* phe = gethostbyname(hostname);
if (phe == nullptr) {
std::cerr << "gethostbyname failed: " << WSAGetLastError() << std::endl;
WSACleanup();
return 1;
}
// 遍历所有的IP地址
for (int i = 0; phe->h_addr_listi != 0; ++i) {
struct in_addr addr;
memcpy(&addr, phe->h_addr_listi, sizeof(struct in_addr));
vIp.push_back(inet_ntoa(addr));
std::cout << "Local IP " << i + 1 << ": " << inet_ntoa(addr) << std::endl;
}
WSACleanup();
}