SocketOptionRegistry.java 文件源码

private static Map<RegistryKey,OptionKey> options() {                  
    Map<RegistryKey,OptionKey> map =                                   
        new HashMap<RegistryKey,OptionKey>();                          
    map.put(new RegistryKey(StandardSocketOptions.SO_BROADCAST, Net.UNSPEC), new OptionKey(1, 6));
    map.put(new RegistryKey(StandardSocketOptions.SO_KEEPALIVE, Net.UNSPEC), new OptionKey(1, 9));
    map.put(new RegistryKey(StandardSocketOptions.SO_LINGER, Net.UNSPEC), new OptionKey(1, 13));
    map.put(new RegistryKey(StandardSocketOptions.SO_SNDBUF, Net.UNSPEC), new OptionKey(1, 7));
    map.put(new RegistryKey(StandardSocketOptions.SO_RCVBUF, Net.UNSPEC), new OptionKey(1, 8));
    map.put(new RegistryKey(StandardSocketOptions.SO_REUSEADDR, Net.UNSPEC), new OptionKey(1, 2));
    map.put(new RegistryKey(StandardSocketOptions.TCP_NODELAY, Net.UNSPEC), new OptionKey(6, 1));
    map.put(new RegistryKey(StandardSocketOptions.IP_TOS, StandardProtocolFamily.INET), new OptionKey(0, 1));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_IF, StandardProtocolFamily.INET), new OptionKey(0, 32));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_TTL, StandardProtocolFamily.INET), new OptionKey(0, 33));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_LOOP, StandardProtocolFamily.INET), new OptionKey(0, 34));
    map.put(new RegistryKey(StandardSocketOptions.IP_TOS, StandardProtocolFamily.INET6), new OptionKey(41, 67));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_IF, StandardProtocolFamily.INET6), new OptionKey(41, 17));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_TTL, StandardProtocolFamily.INET6), new OptionKey(41, 18));
    map.put(new RegistryKey(StandardSocketOptions.IP_MULTICAST_LOOP, StandardProtocolFamily.INET6), new OptionKey(41, 19));
    map.put(new RegistryKey(ExtendedSocketOption.SO_OOBINLINE, Net.UNSPEC), new OptionKey(1, 10));
    return map;                                                        
}