Unit WinSockV

Renamed from Winsock.pas 6/12/1998 Paul Rice to avoid conflicts with others' work.} { } { Delphi Runtime Library } { Windows 32bit API Interface Unit } { } { Copyright (c) 1996 Borland International } { } {*******************************************************} //-----------------------------------------------------// // Modified by Voïvode // //-----------------------------------------------------//

Classes

Functions

accept - Socket function prototypes
bind -
closesocket -
connect -
gethostbyaddr -
gethostbyname -
gethostname -
getpeername -
getprotobyname -
getprotobynumber -
getservbyname -
getservbyport -
getsockname -
getsockopt -
htonl -
htons -
inet_addr -
inet_ntoa - PInAddr;} { TInAddr
ioctlsocket -
listen -
ntohl -
ntohs -
OOBchar - New procedure to allow the change of the OOB char (called in Sockets.
recv -
recvfrom -
select -
send -
sendto -
setsockopt -
shutdown -
socket -
TransmitFile -
WSAAsyncGetHostByAddr -
WSAAsyncGetHostByName -
WSAAsyncGetProtoByName -
WSAAsyncGetProtoByNumber -
WSAAsyncGetServByName -
WSAAsyncGetServByPort -
WSAAsyncSelect -
WSACancelAsyncRequest -
WSACancelBlockingCall -
WSACleanup -
WSAGetAsyncBuflen -
WSAGetAsyncError -
WSAGetLastError -
WSAGetSelectError -
WSAGetSelectEvent -
WSAIsBlocking -
WSAMakeSelectReply -
WSAMakeSyncReply -
WSARecvEx -
WSASetBlockingHook -
WSASetLastError -
WSAStartup -
WSAUnhookBlockingHook -

Types

PFDSet
PHostEnt
PInAddr
PLinger
PNetEnt
PProtoEnt
PServEnt
PSockAddr
PSockAddrIn
PSockProto
PTimeVal
PTransmitFileBuffers
PWSAData
SunB
SunW
TFDSet
THostEnt
TInAddr
TLinger
TNetEnt
TProtoEnt
TServEnt
TSockAddr
TSockAddrIn
TSocket
TSockProto
TTimeVal
TTransmitFileBuffers
TWSAData
u_char
u_int
u_long
u_short

Constants

AF_APPLETALK
AF_CCITT
AF_CHAOS
AF_DATAKIT
AF_DECnet
AF_DLI
AF_ECMA
AF_HYLINK
AF_IMPLINK
AF_INET
AF_IPX
AF_ISO
AF_LAT
AF_MAX
AF_NETBIOS
AF_NS
AF_OSI
AF_PUP
AF_SNA
AF_UNIX
AF_UNSPEC
AF_VOICEVIEW
EADDRINUSE
EADDRNOTAVAIL
EAFNOSUPPORT
EALREADY
ECONNABORTED
ECONNREFUSED
ECONNRESET
EDESTADDRREQ
EDQUOT
EHOSTDOWN
EHOSTUNREACH
EINPROGRESS
EISCONN
ELOOP
EMSGSIZE
ENAMETOOLONG
ENETDOWN
ENETRESET
ENETUNREACH
ENOBUFS
ENOPROTOOPT
ENOTCONN
ENOTEMPTY
ENOTSOCK
EOPNOTSUPP
EPFNOSUPPORT
EPROCLIM
EPROTONOSUPPORT
EPROTOTYPE
EREMOTE
ESHUTDOWN
ESOCKTNOSUPPORT
ESTALE
ETIMEDOUT
ETOOMANYREFS
EUSERS
EWOULDBLOCK
FD_ACCEPT
FD_CLOSE
FD_CONNECT
FD_OOB
FD_READ
FD_SETSIZE
FD_WRITE
FIOASYNC
FIONBIO
FIONREAD
HOST_NOT_FOUND
IMPLINK_HIGHEXPER
IMPLINK_IP
IMPLINK_LOWEXPER
INADDR_ANY
INADDR_BROADCAST
INADDR_LOOPBACK
INADDR_NONE
INVALID_SOCKET
IOCPARM_MASK
IOC_IN
IOC_INOUT
IOC_OUT
IOC_VOID
IPPORT_BIFFUDP
IPPORT_CMDSERVER
IPPORT_DAYTIME
IPPORT_DISCARD
IPPORT_ECHO
IPPORT_EFSSERVER
IPPORT_EXECSERVER
IPPORT_FINGER
IPPORT_FTP
IPPORT_LOGINSERVER
IPPORT_MTP
IPPORT_NAMESERVER
IPPORT_NETSTAT
IPPORT_RESERVED
IPPORT_RJE
IPPORT_ROUTESERVER
IPPORT_SMTP
IPPORT_SUPDUP
IPPORT_SYSTAT
IPPORT_TELNET
IPPORT_TFTP
IPPORT_TIMESERVER
IPPORT_TTYLINK
IPPORT_WHOIS
IPPORT_WHOSERVER
IPPROTO_GGP
IPPROTO_ICMP
IPPROTO_IDP
IPPROTO_IP
IPPROTO_MAX
IPPROTO_ND
IPPROTO_PUP
IPPROTO_RAW
IPPROTO_TCP
IPPROTO_UDP
IP_ADD_MEMBERSHIP
IP_DEFAULT_MULTICAST_LOOP
IP_DEFAULT_MULTICAST_TTL
IP_DROP_MEMBERSHIP
IP_MAX_MEMBERSHIPS
IP_MULTICAST_IF
IP_MULTICAST_LOOP
IP_MULTICAST_TTL
IP_OPTIONS
MAXGETHOSTSTRUCT
MSG_DONTROUTE
MSG_MAXIOVLEN
MSG_OOB
MSG_PARTIAL
MSG_PEEK
NO_ADDRESS
NO_DATA
NO_RECOVERY
PF_APPLETALK
PF_CCITT
PF_CHAOS
PF_DATAKIT
PF_DECnet
PF_DLI
PF_ECMA
PF_HYLINK
PF_IMPLINK
PF_INET
PF_IPX
PF_ISO
PF_LAT
PF_MAX
PF_NS
PF_OSI
PF_PUP
PF_SNA
PF_UNIX
PF_UNSPEC
PF_VOICEVIEW
SOCKET_ERROR
SOCK_DGRAM
SOCK_RAW
SOCK_RDM
SOCK_SEQPACKET
SOCK_STREAM
SOL_SOCKET
SOMAXCONN
SO_ACCEPTCONN
SO_BROADCAST
SO_CONNDATA
SO_CONNDATALEN
SO_CONNOPT
SO_CONNOPTLEN
SO_DEBUG
SO_DISCDATA
SO_DISCDATALEN
SO_DISCOPT
SO_DISCOPTLEN
SO_DONTLINGER
SO_DONTROUTE
SO_ERROR
SO_KEEPALIVE
SO_LINGER
SO_MAXDG
SO_MAXPATHDG
SO_OOBINLINE
SO_OPENTYPE
SO_RCVBUF
SO_RCVLOWAT
SO_RCVTIMEO
SO_REUSEADDR
SO_SNDBUF
SO_SNDLOWAT
SO_SNDTIMEO
SO_SYNCHRONOUS_ALERT
SO_SYNCHRONOUS_NONALERT
SO_TYPE
SO_USELOOPBACK
TCP_BSDURGENT
TCP_NODELAY
TRY_AGAIN
WSABASEERR
WSADESCRIPTION_LEN
WSAEACCES
WSAEADDRINUSE
WSAEADDRNOTAVAIL
WSAEAFNOSUPPORT
WSAEALREADY
WSAEBADF
WSAECONNABORTED
WSAECONNREFUSED
WSAECONNRESET
WSAEDESTADDRREQ
WSAEDISCON
WSAEDQUOT
WSAEFAULT
WSAEHOSTDOWN
WSAEHOSTUNREACH
WSAEINPROGRESS
WSAEINTR
WSAEINVAL
WSAEISCONN
WSAELOOP
WSAEMFILE
WSAEMSGSIZE
WSAENAMETOOLONG
WSAENETDOWN
WSAENETRESET
WSAENETUNREACH
WSAENOBUFS
WSAENOPROTOOPT
WSAENOTCONN
WSAENOTEMPTY
WSAENOTSOCK
WSAEOPNOTSUPP
WSAEPFNOSUPPORT
WSAEPROCLIM
WSAEPROTONOSUPPORT
WSAEPROTOTYPE
WSAEREMOTE
WSAESHUTDOWN
WSAESOCKTNOSUPPORT
WSAESTALE
WSAETIMEDOUT
WSAETOOMANYREFS
WSAEUSERS
WSAEWOULDBLOCK
WSAHOST_NOT_FOUND
WSANOTINITIALISED
WSANO_ADDRESS
WSANO_DATA
WSANO_RECOVERY
WSASYSNOTREADY
WSASYS_STATUS_LEN
WSATRY_AGAIN
WSAVERNOTSUPPORTED

Variables


Functions


function accept(s: TSocket; var addr: TSockAddr; var addrlen: Integer): TSocket;

Socket function prototypes

function bind(s: TSocket; var addr: TSockAddr; namelen: Integer): Integer;


function closesocket(s: TSocket): Integer;


function connect(s: TSocket; var name: TSockAddr; namelen: Integer): Integer;


function gethostbyaddr(addr: Pointer; len, struct: Integer): PHostEnt;


function gethostbyname(name: PChar): PHostEnt;


function gethostname(name: PChar; len: Integer): Integer;


function getpeername(s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;


function getprotobyname(name: PChar): PProtoEnt;


function getprotobynumber(proto: Integer): PProtoEnt;


function getservbyname(name, proto: PChar): PServEnt;


function getservbyport(port: Integer; proto: PChar): PServEnt;


function getsockname(s: TSocket; var name: TSockAddr; var namelen: Integer): Integer;


function getsockopt(s: TSocket; level, optname: Integer; optval: PChar; var optlen: Integer): Integer;


function htonl(hostlong: u_long): u_long;


function htons(hostshort: u_short): u_short;


function inet_addr(cp: PChar): u_long;


function inet_ntoa(inaddr: TInAddr): PChar;

PInAddr;} { TInAddr

function ioctlsocket(s: TSocket; cmd: Longint; var arg: u_long): Integer;


function listen(s: TSocket; backlog: Integer): Integer;


function ntohl(netlong: u_long): u_long;


function ntohs(netshort: u_short): u_short;


procedure OOBchar(newValue : Integer);

New procedure to allow the change of the OOB char (called in Sockets.pas) Change made by Voïvode

function recv(s: TSocket; var Buf; len, flags: Integer): Integer;


function recvfrom(s: TSocket; var Buf; len, flags: Integer; var from: TSockAddr; var fromlen: Integer): Integer;


function select(nfds: Integer; readfds, writefds, exceptfds: PFDSet; timeout: PTimeVal): Longint;


function send(s: TSocket; var Buf; len, flags: Integer): Integer;


function sendto(s: TSocket; var Buf; len, flags: Integer; var addrto: TSockAddr; tolen: Integer): Integer;


function setsockopt(s: TSocket; level, optname: Integer; optval: PChar; optlen: Integer): Integer;


function shutdown(s: TSocket; how: Integer): Integer;


function socket(af, struct, protocol: Integer): TSocket;


function TransmitFile(hSocket: TSocket; hFile: THandle; nNumberOfBytesToWrite: DWORD; nNumberOfBytesPerSend: DWORD; lpOverlapped: POverlapped; lpTransmitBuffers: PTransmitFileBuffers; dwReserved: DWORD): BOOL;


function WSAAsyncGetHostByAddr(HWindow: HWND; wMsg: u_int; addr: PChar; len, struct: Integer; buf: PChar; buflen: Integer): THandle;


function WSAAsyncGetHostByName(HWindow: HWND; wMsg: u_int; name, buf: PChar; buflen: Integer): THandle;


function WSAAsyncGetProtoByName(HWindow: HWND; wMsg: u_int; name, buf: PChar; buflen: Integer): THandle;


function WSAAsyncGetProtoByNumber(HWindow: HWND; wMsg: u_int; number: Integer; buf: PChar; buflen: Integer): THandle;


function WSAAsyncGetServByName(HWindow: HWND; wMsg: u_int; name, proto, buf: PChar; buflen: Integer): THandle;


function WSAAsyncGetServByPort( HWindow: HWND; wMsg, port: u_int; proto, buf: PChar; buflen: Integer): THandle;


function WSAAsyncSelect(s: TSocket; HWindow: HWND; wMsg: u_int; lEvent: Longint): Integer;


function WSACancelAsyncRequest(hAsyncTaskHandle: THandle): Integer;


function WSACancelBlockingCall: Integer;


function WSACleanup: Integer;


function WSAGetAsyncBuflen(Param: Longint): Word;


function WSAGetAsyncError(Param: Longint): Word;


function WSAGetLastError: Integer;


function WSAGetSelectError(Param: Longint): Word;


function WSAGetSelectEvent(Param: Longint): Word;


function WSAIsBlocking: BOOL;


function WSAMakeSelectReply(Event, Error: Word): Longint;


function WSAMakeSyncReply(Buflen, Error: Word): Longint;


function WSARecvEx(s: TSocket; var buf; len: Integer; var flags: Integer): Integer;


function WSASetBlockingHook(lpBlockFunc: TFarProc): TFarProc;


procedure WSASetLastError(iError: Integer);


function WSAStartup(wVersionRequired: word; var WSData: TWSAData): Integer;


function WSAUnhookBlockingHook: Integer;


Types


PFDSet = ^TFDSet

PHostEnt = ^THostEnt
set/clear async i/o
PInAddr = ^TInAddr

PLinger = ^TLinger
Structure used for manipulating linger option.
PNetEnt = ^TNetEnt

PProtoEnt = ^TProtoEnt

PServEnt = ^TServEnt

PSockAddr = ^TSockAddr
Structure used by kernel to store most addresses.
PSockAddrIn = ^TSockAddrIn

PSockProto = ^TSockProto
Structure used by kernel to pass protocol information in raw sockets.
PTimeVal = ^TTimeVal

PTransmitFileBuffers = ^TTransmitFileBuffers

PWSAData = ^TWSAData

SunB = record
s_b1 : u_char;
s_b2 : u_char;
s_b3 : u_char;
s_b4 : u_char;
end;

SunW = record
s_w1 : u_short;
s_w2 : u_short;
end;

TFDSet = record
fd_count : u_int;
fd_array : array[0..FD_SETSIZE-1] of TSocket;
end;

THostEnt = record
h_name : PChar;
h_aliases : ^PChar;
h_addrtype : Smallint;
h_length : Smallint;
h_addr_list : ^PChar;
end;

TInAddr = record
end;

TLinger = record
l_onoff : u_short;
l_linger : u_short;
end;

TNetEnt = record
n_name : PChar;
n_aliases : ^PChar;
n_addrtype : Smallint;
n_net : u_long;
end;

TProtoEnt = record
p_name : PChar;
p_aliases : ^Pchar;
p_proto : Smallint;
end;

TServEnt = record
s_name : PChar;
s_aliases : ^PChar;
s_port : Smallint;
s_proto : PChar;
end;

TSockAddr = TSockAddrIn

TSockAddrIn = record
end;

TSocket = u_int
The new type to be used in all instances which refer to sockets.
TSockProto = record
sp_family : u_short;
sp_protocol : u_short;
end;

TTimeVal = record
tv_sec : Longint;
tv_usec : Longint;
end;

TTransmitFileBuffers = record
Head : Pointer;
HeadLength : DWORD;
Tail : Pointer;
TailLength : DWORD;
end;

TWSAData = record
wVersion : Word;
wHighVersion : Word;
szDescription : array[0..WSADESCRIPTION_LEN] of Char;
szSystemStatus : array[0..WSASYS_STATUS_LEN] of Char;
iMaxSockets : Word;
iMaxUdpDg : Word;
lpVendorInfo : PChar;
end;

u_char = Char

u_int = Integer

u_long = Longint

u_short = Word

Constants

AF_APPLETALK = 16

NSC Hyperchannel

AF_CCITT = 10

datakit protocols

AF_CHAOS = 5

pup protocols: e.g. BSP

AF_DATAKIT = 9

european computer manufacturers

AF_DECnet = 12

IBM SNA

AF_DLI = 13

DECnet

AF_ECMA = 8

OSI is ISO

AF_HYLINK = 15

LAT

AF_IMPLINK = 3

internetwork: UDP, TCP, etc.

AF_INET = 2

local to host (pipes, portals)

AF_IPX = 6

mit CHAOS protocols

AF_ISO = 7

XEROX NS protocols

AF_LAT = 14

Direct data link interface

AF_MAX = 19

VoiceView

AF_NETBIOS = 17

AppleTalk

AF_NS = 6

IPX and SPX

AF_OSI = AF_ISO

ISO protocols

AF_PUP = 4

arpanet imp addresses

AF_SNA = 11

CCITT protocols, X.25 etc

AF_UNIX = 1

unspecified

AF_UNSPEC = 0

Address families.

AF_VOICEVIEW = 18

NetBios-style addresses

EADDRINUSE = WSAEADDRINUSE

EADDRNOTAVAIL = WSAEADDRNOTAVAIL

EAFNOSUPPORT = WSAEAFNOSUPPORT

EALREADY = WSAEALREADY

ECONNABORTED = WSAECONNABORTED

ECONNREFUSED = WSAECONNREFUSED

ECONNRESET = WSAECONNRESET

EDESTADDRREQ = WSAEDESTADDRREQ

EDQUOT = WSAEDQUOT

EHOSTDOWN = WSAEHOSTDOWN

EHOSTUNREACH = WSAEHOSTUNREACH

EINPROGRESS = WSAEINPROGRESS

EISCONN = WSAEISCONN

ELOOP = WSAELOOP

EMSGSIZE = WSAEMSGSIZE

ENAMETOOLONG = WSAENAMETOOLONG

ENETDOWN = WSAENETDOWN

ENETRESET = WSAENETRESET

ENETUNREACH = WSAENETUNREACH

ENOBUFS = WSAENOBUFS

ENOPROTOOPT = WSAENOPROTOOPT

ENOTCONN = WSAENOTCONN

ENOTEMPTY = WSAENOTEMPTY

ENOTSOCK = WSAENOTSOCK

EOPNOTSUPP = WSAEOPNOTSUPP

EPFNOSUPPORT = WSAEPFNOSUPPORT

EPROCLIM = WSAEPROCLIM

EPROTONOSUPPORT = WSAEPROTONOSUPPORT

EPROTOTYPE = WSAEPROTOTYPE

EREMOTE = WSAEREMOTE

ESHUTDOWN = WSAESHUTDOWN

ESOCKTNOSUPPORT = WSAESOCKTNOSUPPORT

ESTALE = WSAESTALE

ETIMEDOUT = WSAETIMEDOUT

ETOOMANYREFS = WSAETOOMANYREFS

EUSERS = WSAEUSERS

EWOULDBLOCK = WSAEWOULDBLOCK

Windows Sockets errors redefined as regular Berkeley error constants. These are commented out in Windows NT to avoid conflicts with errno.h. Use the WSA constants instead.

FD_ACCEPT = $08

change made by Voïvode

FD_CLOSE = $20

FD_CONNECT = $10

FD_OOB = $04

FD_READ = $01

Define flags to be used with the WSAAsyncSelect() call.

FD_SETSIZE = 64

FD_WRITE = $02

FIOASYNC = IOC_IN or { set/clear async i/o } ((Longint(SizeOf(Longint)) and IOCPARM_MASK) shl 16) or (Longint(Byte('f')) shl 8) or 125

set/clear non-blocking i/o

FIONBIO = IOC_IN or { set/clear non-blocking i/o } ((Longint(SizeOf(Longint)) and IOCPARM_MASK) shl 16) or (Longint(Byte('f')) shl 8) or 126

get # bytes to read

FIONREAD = IOC_OUT or { get # bytes to read } ((Longint(SizeOf(Longint)) and IOCPARM_MASK) shl 16) or (Longint(Byte('f')) shl 8) or 127

HOST_NOT_FOUND = WSAHOST_NOT_FOUND

IMPLINK_HIGHEXPER = 158

IMPLINK_IP = 155

Link numbers

IMPLINK_LOWEXPER = 156

INADDR_ANY = $00000000

INADDR_BROADCAST = $FFFFFFFF

INADDR_LOOPBACK = $7F000001

INADDR_NONE = $FFFFFFFF

INVALID_SOCKET = TSocket(NOT(0))

per socket; must fit in one mbuf } { This is used instead of -1, since the TSocket type is unsigned.

IOCPARM_MASK = $7f

IOC_IN = $80000000

IOC_INOUT = (IOC_IN or IOC_OUT)

IOC_OUT = $40000000

IOC_VOID = $20000000

IPPORT_BIFFUDP = 512

UNIX UDP sockets

IPPORT_CMDSERVER = 514

IPPORT_DAYTIME = 13

IPPORT_DISCARD = 9

IPPORT_ECHO = 7

Port/socket numbers: network standard functions

IPPORT_EFSSERVER = 520

IPPORT_EXECSERVER = 512

UNIX TCP sockets

IPPORT_FINGER = 79

IPPORT_FTP = 21

IPPORT_LOGINSERVER = 513

IPPORT_MTP = 57

IPPORT_NAMESERVER = 42

IPPORT_NETSTAT = 15

IPPORT_RESERVED = 1024

Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root).

IPPORT_RJE = 77

IPPORT_ROUTESERVER = 520

IPPORT_SMTP = 25

IPPORT_SUPDUP = 95

IPPORT_SYSTAT = 11

IPPORT_TELNET = 23

IPPORT_TFTP = 69

Port/socket numbers: host specific functions

IPPORT_TIMESERVER = 37

IPPORT_TTYLINK = 87

IPPORT_WHOIS = 43

IPPORT_WHOSERVER = 513

IPPROTO_GGP = 2

IPPROTO_ICMP = 1

IPPROTO_IDP = 22

IPPROTO_IP = 0

Protocols

IPPROTO_MAX = 256

IPPROTO_ND = 77

IPPROTO_PUP = 12

IPPROTO_RAW = 255

IPPROTO_TCP = 6

IPPROTO_UDP = 17

IP_ADD_MEMBERSHIP = 5

set/get IP multicast loopback

IP_DEFAULT_MULTICAST_LOOP = 1

normally limit m'casts to 1 hop

IP_DEFAULT_MULTICAST_TTL = 1

drop an IP group membership

IP_DROP_MEMBERSHIP = 6

add an IP group membership

IP_MAX_MEMBERSHIPS = 20

normally hear sends if a member

IP_MULTICAST_IF = 2

IP_MULTICAST_LOOP = 4

set/get IP multicast timetolive

IP_MULTICAST_TTL = 3

set/get IP multicast interface

IP_OPTIONS = 1

Options for use with [gs]etsockopt at the IP level.

MAXGETHOSTSTRUCT = 1024

partial send or recv for message xport } { Define constant based on rfc883, used by gethostbyxxxx() calls.

MSG_DONTROUTE = $4

peek at incoming message

MSG_MAXIOVLEN = 16

send without using routing tables

MSG_OOB = $1

MSG_PARTIAL = $8000

MSG_PEEK = $2

process out-of-band data

NO_ADDRESS = WSANO_ADDRESS

NO_DATA = WSANO_DATA

NO_RECOVERY = WSANO_RECOVERY

PF_APPLETALK = AF_APPLETALK

PF_CCITT = AF_CCITT

PF_CHAOS = AF_CHAOS

PF_DATAKIT = AF_DATAKIT

PF_DECnet = AF_DECnet

PF_DLI = AF_DLI

PF_ECMA = AF_ECMA

PF_HYLINK = AF_HYLINK

PF_IMPLINK = AF_IMPLINK

PF_INET = AF_INET

PF_IPX = AF_IPX

PF_ISO = AF_ISO

PF_LAT = AF_LAT

PF_MAX = AF_MAX

PF_NS = AF_NS

PF_OSI = AF_OSI

PF_PUP = AF_PUP

PF_SNA = AF_SNA

PF_UNIX = AF_UNIX

PF_UNSPEC = AF_UNSPEC

Protocol families, same as address families for now.

PF_VOICEVIEW = AF_VOICEVIEW

SOCKET_ERROR = -1

SOCK_DGRAM = 2

stream socket

SOCK_RAW = 3

datagram socket

SOCK_RDM = 4

raw-protocol interface

SOCK_SEQPACKET = 5

reliably-delivered message

SOCK_STREAM = 1

Types

SOL_SOCKET = $ffff

Level number for (get/set)sockopt() to apply to socket itself.

SOMAXCONN = 5

options for socket level } { Maximum queue length specifiable by listen.

SO_ACCEPTCONN = $0002

turn on debugging info recording

SO_BROADCAST = $0020

just use interface addresses

SO_CONNDATA = $7000

get socket type } { Options for connect and disconnect data and options. Used only by non-TCP/IP transports such as DECNet, OSI TP4, etc.

SO_CONNDATALEN = $7004

SO_CONNOPT = $7001

SO_CONNOPTLEN = $7005

SO_DEBUG = $0001

sequenced packet stream } { Option flags per-socket.

SO_DISCDATA = $7002

SO_DISCDATALEN = $7006

SO_DISCOPT = $7003

SO_DISCOPTLEN = $7007

SO_DONTLINGER = $ff7f

leave received OOB data in line

SO_DONTROUTE = $0010

keep connections alive

SO_ERROR = $1007

receive timeout

SO_KEEPALIVE = $0008

allow local address reuse

SO_LINGER = $0080

bypass hardware when possible

SO_MAXDG = $7009

Other NT-specific options.

SO_MAXPATHDG = $700A

SO_OOBINLINE = $0100

linger on close if data present

SO_OPENTYPE = $7008

Option for opening sockets for synchronous access.

SO_RCVBUF = $1002

send buffer size

SO_RCVLOWAT = $1004

send low-water mark

SO_RCVTIMEO = $1006

send timeout

SO_REUSEADDR = $0004

socket has had listen()

SO_SNDBUF = $1001

Additional options.

SO_SNDLOWAT = $1003

receive buffer size

SO_SNDTIMEO = $1005

receive low-water mark

SO_SYNCHRONOUS_ALERT = $10

SO_SYNCHRONOUS_NONALERT = $20

SO_TYPE = $1008

get error status and clear

SO_USELOOPBACK = $0040

permit sending of broadcast msgs

TCP_BSDURGENT = $7000

TCP_NODELAY = $0001

TCP options.

TRY_AGAIN = WSATRY_AGAIN

WSABASEERR = 10000

All Windows Sockets error constants are biased by WSABASEERR from the "normal"

WSADESCRIPTION_LEN = 256

WSAEACCES = (WSABASEERR+13)

WSAEADDRINUSE = (WSABASEERR+48)

WSAEADDRNOTAVAIL = (WSABASEERR+49)

WSAEAFNOSUPPORT = (WSABASEERR+47)

WSAEALREADY = (WSABASEERR+37)

WSAEBADF = (WSABASEERR+9)

WSAECONNABORTED = (WSABASEERR+53)

WSAECONNREFUSED = (WSABASEERR+61)

WSAECONNRESET = (WSABASEERR+54)

WSAEDESTADDRREQ = (WSABASEERR+39)

WSAEDISCON = (WSABASEERR+101)

WSAEDQUOT = (WSABASEERR+69)

WSAEFAULT = (WSABASEERR+14)

WSAEHOSTDOWN = (WSABASEERR+64)

WSAEHOSTUNREACH = (WSABASEERR+65)

WSAEINPROGRESS = (WSABASEERR+36)

WSAEINTR = (WSABASEERR+4)

Windows Sockets definitions of regular Microsoft C error constants

WSAEINVAL = (WSABASEERR+22)

WSAEISCONN = (WSABASEERR+56)

WSAELOOP = (WSABASEERR+62)

WSAEMFILE = (WSABASEERR+24)

WSAEMSGSIZE = (WSABASEERR+40)

WSAENAMETOOLONG = (WSABASEERR+63)

WSAENETDOWN = (WSABASEERR+50)

WSAENETRESET = (WSABASEERR+52)

WSAENETUNREACH = (WSABASEERR+51)

WSAENOBUFS = (WSABASEERR+55)

WSAENOPROTOOPT = (WSABASEERR+42)

WSAENOTCONN = (WSABASEERR+57)

WSAENOTEMPTY = (WSABASEERR+66)

WSAENOTSOCK = (WSABASEERR+38)

WSAEOPNOTSUPP = (WSABASEERR+45)

WSAEPFNOSUPPORT = (WSABASEERR+46)

WSAEPROCLIM = (WSABASEERR+67)

WSAEPROTONOSUPPORT = (WSABASEERR+43)

WSAEPROTOTYPE = (WSABASEERR+41)

WSAEREMOTE = (WSABASEERR+71)

WSAESHUTDOWN = (WSABASEERR+58)

WSAESOCKTNOSUPPORT = (WSABASEERR+44)

WSAESTALE = (WSABASEERR+70)

WSAETIMEDOUT = (WSABASEERR+60)

WSAETOOMANYREFS = (WSABASEERR+59)

WSAEUSERS = (WSABASEERR+68)

WSAEWOULDBLOCK = (WSABASEERR+35)

Windows Sockets definitions of regular Berkeley error constants

WSAHOST_NOT_FOUND = (WSABASEERR+1001)

Error return codes from gethostbyname() and gethostbyaddr() (when using the resolver). Note that these errors are retrieved via WSAGetLastError() and must therefore follow the rules for avoiding clashes with error numbers from specific implementations or language run-time systems. For this reason the codes are based at WSABASEERR+1001. Note also that [WSA]NO_ADDRESS is defined only for compatibility purposes. } { Authoritative Answer: Host not found

WSANOTINITIALISED = (WSABASEERR+93)

WSANO_ADDRESS = WSANO_DATA

no address, look for MX record

WSANO_DATA = (WSABASEERR+1004)

Valid name, no data record of requested type

WSANO_RECOVERY = (WSABASEERR+1003)

Non recoverable errors, FORMERR, REFUSED, NOTIMP

WSASYSNOTREADY = (WSABASEERR+91)

Extended Windows Sockets error constant definitions

WSASYS_STATUS_LEN = 128

WSATRY_AGAIN = (WSABASEERR+1002)

Non-Authoritative: Host not found, or SERVERFAIL

WSAVERNOTSUPPORTED = (WSABASEERR+92)


Variables