module tango.sys.darwin.consts.socket;
    import tango.sys.darwin.consts.fcntl: F_GETFL, F_SETFL,O_NONBLOCK;
    enum {SOCKET_ERROR = -1}
    enum
    {
        SO_DEBUG = 0x0001 , /* turn on debugging info recording */
        SO_BROADCAST = 0x0020 , /* permit sending of broadcast msgs */
        SO_REUSEADDR = 0x0004 , /* allow local address reuse */
        SO_LINGER = 0x0080 , /* linger on close if data present */
        SO_DONTLINGER = ~(0x0080),
        SO_OOBINLINE = 0x0100 , /* leave received OOB data in line */
        SO_ACCEPTCONN = 0x0002, /* socket has had listen() */
        SO_KEEPALIVE = 0x0008 , /* keep connections alive */
        SO_DONTROUTE = 0x0010 , /* just use interface addresses */
        SO_TYPE = 0x1008 , /* get socket type */
        /*
         * Additional options, not kept in so_options.
         */
        SO_SNDBUF = 0x1001, /* send buffer size */
        SO_RCVBUF = 0x1002, /* receive buffer size */
        SO_ERROR = 0x1007 , /* get error status and clear */
        // OptionLevel.IP settings
        IP_MULTICAST_TTL = 10 ,
        IP_MULTICAST_LOOP = 11 ,
        IP_ADD_MEMBERSHIP = 12 ,
        IP_DROP_MEMBERSHIP = 13,
        // OptionLevel.TCP settings
        TCP_NODELAY = 0x01 ,
    }
    enum
    {
        SOL_SOCKET = 0xffff ,
    }
    enum {
        SOCK_STREAM = 1 , /++ sequential, reliable +/
        SOCK_DGRAM = 2 , /++ connectionless unreliable, max length +/
        SOCK_SEQPACKET = 5, /++ sequential, reliable, max length +/
        SOCK_RAW = 3 , /++ raw protocol +/
        SOCK_RDM = 4 , /++ reliable messages +/
    }
    enum
    {
        IPPROTO_IP = 0 , /// default internet protocol (probably 4 for compatibility)
        IPPROTO_IPV4 = 4 , /// internet protocol version 4
        IPPROTO_IPV6 = 41 , /// internet protocol version 6
        IPPROTO_ICMP = 1 , /// internet control message protocol
        IPPROTO_IGMP = 2 , /// internet group management protocol
        //IPPROTO_GGP = 3 , /// gateway to gateway protocol
        IPPROTO_TCP = 6 , /// transmission control protocol
        IPPROTO_PUP = 12 , /// PARC universal packet protocol
        IPPROTO_UDP = 17 , /// user datagram protocol
        IPPROTO_IDP = 22 , /// Xerox NS protocol
    }
    enum
    {
        AF_UNSPEC = 0 ,
        AF_UNIX = 1 ,
        AF_INET = 2 ,
        AF_IPX = 23 ,
        AF_APPLETALK = 16,
        AF_INET6 = 30 ,
    }
    enum : uint
    {
        SCM_RIGHTS = 0x01
    }
    enum
    {
        SOMAXCONN       = 128,
    }
    enum : uint
    {
        MSG_CTRUNC = 0x20 ,
        MSG_DONTROUTE = 0x4 ,
        MSG_EOR = 0x8 ,
        MSG_OOB = 0x1 ,
        MSG_PEEK = 0x2 ,
        MSG_TRUNC = 0x10 ,
        MSG_WAITALL = 0x40 ,
    }
    enum
    {
        SHUT_RD = 0,
        SHUT_WR = 1,
        SHUT_RDWR = 2
    }

 enum: int
 {
        AI_PASSIVE = 0x00000001, /// get address to use bind()
        AI_CANONNAME = 0x00000002, /// fill ai_canonname
        AI_NUMERICHOST = 0x00000004, /// prevent host name resolution
        AI_NUMERICSERV = 0x00000008, /// prevent service name resolution valid flags for addrinfo (not a standard def, apps should not use it)
        AI_ALL = 0x00000100, /// IPv6 and IPv4-mapped (with AI_V4MAPPED) 
        AI_V4MAPPED_CFG = 0x00000200, /// accept IPv4-mapped if kernel supports
        AI_ADDRCONFIG = 0x00000400, /// only if any address is assigned
        AI_V4MAPPED = 0x00000800, /// accept IPv4-mapped IPv6 address special recommended flags for getipnodebyname
        AI_MASK = (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | AI_ADDRCONFIG),
        AI_DEFAULT = (AI_V4MAPPED_CFG | AI_ADDRCONFIG),
 }

enum
{
        EAI_BADFLAGS = 3,       /// Invalid value for `ai_flags' field.
        EAI_NONAME = 8, /// NAME or SERVICE is unknown.
        EAI_AGAIN = 2,  /// Temporary failure in name resolution.
        EAI_FAIL = 4,   /// Non-recoverable failure in name res.
        EAI_NODATA = 7, /// No address associated with NAME.
        EAI_FAMILY = 5, /// `ai_family' not supported.
        EAI_SOCKTYPE = 10,      /// `ai_socktype' not supported.
        EAI_SERVICE = 9,        /// SERVICE not supported for `ai_socktype'.
        EAI_MEMORY = 6, /// Memory allocation failure.
}       

enum
{
        NI_MAXHOST = 1025,
        NI_MAXSERV = 32,
        NI_NUMERICHOST = 0x00000002,    /// Don't try to look up hostname.
        NI_NUMERICSERV = 0x00000008,    /// Don't convert port number to name.
        NI_NOFQDN = 0x00000001, /// Only return nodename portion.
        NI_NAMEREQD = 0x00000004,       /// Don't return numeric addresses.
        NI_DGRAM = 0x00000010,  /// Look up UDP service rather than TCP.
}