package win32api

const (
	WSADESCRIPTION_LEN = 256
	WSASYS_STATUS_LEN  = 128
)

const (
	AF_UNSPEC = 0
	AF_INET   = 2
	AF_INET6  = 23
)

const (
	SOCK_STREAM = 1
	SOCK_DGRAM  = 2
)

const (
	SOL_SOCKET = 0xffff
)

const (
	SO_REUSEADDR = 0x0004
	SO_ERROR     = 0x1007
)

const (
	IPPROTO_IP  = 0
	IPPROTO_TCP = 6
	IPPROTO_UDP = 17
)

const (
	AI_PASSIVE = 0x00000001
)

const (
	GAA_FLAG_SKIP_UNICAST                = 0x00000001
	GAA_FLAG_SKIP_ANYCAST                = 0x00000002
	GAA_FLAG_SKIP_MULTICAST              = 0x00000004
	GAA_FLAG_SKIP_DNS_SERVER             = 0x00000008
	GAA_FLAG_INCLUDE_PREFIX              = 0x00000010
	GAA_FLAG_SKIP_FRIENDLY_NAME          = 0x00000020
	GAA_FLAG_INCLUDE_WINS_INFO           = 0x00000040
	GAA_FLAG_INCLUDE_GATEWAYS            = 0x00000080
	GAA_FLAG_INCLUDE_ALL_INTERFACES      = 0x00000100
	GAA_FLAG_INCLUDE_ALL_COMPARTMENTS    = 0x00000200
	GAA_FLAG_INCLUDE_TUNNEL_BINDINGORDER = 0x00000400
)

const (
	NI_MAXHOST = 1025
	NI_MAXSERV = 32
)

const (
	NI_NUMERICHOST = 0x00000002
	NI_NUMERICSERV = 0x00000008
)

type SOCKET uintptr

const (
	INVALID_SOCKET SOCKET = ^SOCKET(0)
	SOCKET_ERROR   int32  = -1
)

const (
	SD_RECEIVE = 0
	SD_SEND    = 1
	SD_BOTH    = 2
)

const (
	SOMAXCONN int32 = 0x7fffffff
)

type WSADATA struct {
	WVersion       WORD
	WHighVersion   WORD
	SzDescription  [WSADESCRIPTION_LEN + 1]byte
	SzSystemStatus [WSASYS_STATUS_LEN + 1]byte
	IMaxSockets    WORD
	IMaxUdpDg      WORD
	LPVendorInfo   *byte
}

type ADDRESS_FAMILY uint16

type SOCKADDR struct {
	Family ADDRESS_FAMILY
	Data   [14]byte
}

type SOCKADDR_IN struct {
	Family ADDRESS_FAMILY
	Port   uint16
	Addr   [4]byte
	Zero   [8]byte
}

type SOCKADDR_IN6 struct {
	Family   ADDRESS_FAMILY
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte
	ScopeID  uint32
}

type ADDRINFOW struct {
	Flags     int32
	Family    int32
	Socktype  int32
	Protocol  int32
	Addrlen   uintptr
	Canonname *uint16
	Addr      *SOCKADDR
	Next      *ADDRINFOW
}

type AdapterAddressInfo struct {
	IfIndex               uint32
	AdapterName           string
	FriendlyName          string
	Description           string
	DNSSuffix             string
	OperStatus            uint32
	Mtu                   uint32
	MACAddress            string
	PhysicalAddressLength uint32
	TransmitLinkSpeed     uint64
	ReceiveLinkSpeed      uint64
	UnicastIPs            []string
	DNSServers            []string
	Gateways              []string
}