Ruby 2.4参考手册
套接字 | Socket
Socket::Ifaddr
Parent:Data
Socket :: Ifaddr表示getifaddrs()函数的结果。
公共实例方法
addr → addrinfo Show source
返回ifaddr的地址。如果地址在ifaddr中不可用,则返回nil 。
static VALUE
ifaddr_addr(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
if (ifa->ifa_addr)
return rsock_sockaddr_obj(ifa->ifa_addr, rsock_sockaddr_len(ifa->ifa_addr));
return Qnil;
}
broadaddr → addrinfo Show source
返回ifaddr的广播地址。如果标志中没有IFF_BROADCAST,则返回nil。
static VALUE
ifaddr_broadaddr(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
if ((ifa->ifa_flags & IFF_BROADCAST) && ifa->ifa_broadaddr)
return rsock_sockaddr_obj(ifa->ifa_broadaddr, rsock_sockaddr_len(ifa->ifa_broadaddr));
return Qnil;
}
dstaddr → addrinfo Show source
返回ifaddr的目标地址。如果标志中没有IFF_POINTOPOINT,则返回nil。
static VALUE
ifaddr_dstaddr(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
if ((ifa->ifa_flags & IFF_POINTOPOINT) && ifa->ifa_dstaddr)
return rsock_sockaddr_obj(ifa->ifa_dstaddr, rsock_sockaddr_len(ifa->ifa_dstaddr));
return Qnil;
}
flags → integer Show source
返回ifaddr的标志。
static VALUE
ifaddr_flags(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
return IFAFLAGS2NUM(ifa->ifa_flags);
}
ifindex → integer Show source
返回ifaddr的接口索引。
static VALUE
ifaddr_ifindex(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
unsigned int ifindex = if_nametoindex(ifa->ifa_name);
if (ifindex == 0) {
rb_raise(rb_eArgError, "invalid interface name: %s", ifa->ifa_name);
}
return UINT2NUM(ifindex);
}
inspect → string Show source
返回一个字符串以显示ifaddr的内容。
static VALUE
ifaddr_inspect(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa;
VALUE result;
ifa = rifaddr->ifaddr;
result = rb_str_new_cstr("#<");
rb_str_append(result, rb_class_name(CLASS_OF(self)));
rb_str_cat2(result, " ");
rb_str_cat2(result, ifa->ifa_name);
if (ifa->ifa_flags)
ifaddr_inspect_flags(ifa->ifa_flags, result);
if (ifa->ifa_addr) {
rb_str_cat2(result, " ");
rsock_inspect_sockaddr(ifa->ifa_addr,
rsock_sockaddr_len(ifa->ifa_addr),
result);
}
if (ifa->ifa_netmask) {
rb_str_cat2(result, " netmask=");
rsock_inspect_sockaddr(ifa->ifa_netmask,
rsock_sockaddr_len(ifa->ifa_netmask),
result);
}
if ((ifa->ifa_flags & IFF_BROADCAST) && ifa->ifa_broadaddr) {
rb_str_cat2(result, " broadcast=");
rsock_inspect_sockaddr(ifa->ifa_broadaddr,
rsock_sockaddr_len(ifa->ifa_broadaddr),
result);
}
if ((ifa->ifa_flags & IFF_POINTOPOINT) && ifa->ifa_dstaddr) {
rb_str_cat2(result, " dstaddr=");
rsock_inspect_sockaddr(ifa->ifa_dstaddr,
rsock_sockaddr_len(ifa->ifa_dstaddr),
result);
}
rb_str_cat2(result, ">");
return result;
}
name → string Show source
返回ifaddr的接口名称。
static VALUE
ifaddr_name(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
return rb_str_new_cstr(ifa->ifa_name);
}
netmask → addrinfo Show source
返回ifaddr的网络掩码地址。如果ifaddr中的网络掩码不可用,则返回nil 。
static VALUE
ifaddr_netmask(VALUE self)
{
rb_ifaddr_t *rifaddr = get_ifaddr(self);
struct ifaddrs *ifa = rifaddr->ifaddr;
if (ifa->ifa_netmask)
return rsock_sockaddr_obj(ifa->ifa_netmask, rsock_sockaddr_len(ifa->ifa_netmask));
return Qnil;
}
套接字 | Socket相关
Ruby 是一种面向对象、命令式、函数式、动态的通用编程语言,是世界上最优美而巧妙的语言。
主页 | https://www.ruby-lang.org/ |
源码 | https://github.com/ruby/ruby |
版本 | 2.4 |
发布版本 | 2.4.1 |