Function GetAddrInfo

lib_fiber/samples-gui/SimpleWin/SimpleWin.cpp:172–209

}

static void GetAddrInfo(const std::string& name)
{
    struct addrinfo* res0, * res;
    int ret = getaddrinfo(name.c_str(), NULL, NULL, &res0);
    if (ret != 0) {
        printf("getaddrinfo error=%d, %s, domain=%s\r\n",
            ret, gai_strerrorA(ret), name.c_str());
        if (res0) {
            freeaddrinfo(res0);
        }
        return;
    }

    printf("\r\n");
    printf("getaddrinfo: domain=%s, thread=%d\r\n", name.c_str(), GetCurrentThreadId());
    for (res = res0; res; res = res->ai_next) {
        const void* addr;
        char ip[64];
        if (res->ai_family == AF_INET) {
            const struct sockaddr_in* in =
                (const struct sockaddr_in*)res->ai_addr;
            addr = (const void*)&in->sin_addr;
        } else if (res->ai_family == AF_INET6) {
            const struct sockaddr_in6* in =
                (const struct sockaddr_in6*)res->ai_addr;
            addr = (const void*)&in->sin6_addr;
        } else {
            printf("Unknown ai_family=%d\r\n", res->ai_family);
            continue;
        }

        if (inet_ntop(res->ai_family, addr, ip, sizeof(ip)) != NULL) {
            printf(">>ip=%s\r\n", ip);
        } else {
            printf(">>inet_ntop error\r\n");
        }
    }
}

//
//  函数: WndProc(HWND, UINT, WPARAM, LPARAM)