basis/windows/winsock/winsock.factor

   1 ! Copyright (C) 2006 Mackenzie Straight, Doug Coleman.
   2 ! See http://factorcode.org/license.txt for BSD license.
   3 USING: accessors alien alien.c-types alien.data alien.syntax
   4 byte-arrays classes.struct grouping init kernel literals math
   5 math.parser sequences system vocabs.parser windows.com.syntax
   6 windows.errors windows.kernel32 windows.types ;
   7 FROM: alien.c-types => short ;
   8 IN: windows.winsock
   9
  10 <<
  11 ! Some differences between Win32 and Win64
  12 cpu x86.64? "windows.winsock.64" "windows.winsock.32" ? use-vocab
  13 >>
  14
  15 TYPEDEF: int* SOCKET
  16
  17 : <wsadata> ( -- byte-array )
  18     0x190 <byte-array> ;
  19
  20 CONSTANT: SOCK_STREAM    1
  21 CONSTANT: SOCK_DGRAM     2
  22 CONSTANT: SOCK_RAW       3
  23 CONSTANT: SOCK_RDM       4
  24 CONSTANT: SOCK_SEQPACKET 5
  25
  26 CONSTANT: SO_DEBUG       0x1
  27 CONSTANT: SO_ACCEPTCONN  0x2
  28 CONSTANT: SO_REUSEADDR   0x4
  29 CONSTANT: SO_KEEPALIVE   0x8
  30 CONSTANT: SO_DONTROUTE   0x10
  31 CONSTANT: SO_BROADCAST   0x20
  32 CONSTANT: SO_USELOOPBACK 0x40
  33 CONSTANT: SO_LINGER      0x80
  34 CONSTANT: SO_OOBINLINE   0x100
  35 : SO_DONTLINGER ( -- n ) SO_LINGER bitnot ; inline
  36
  37 CONSTANT: SO_SNDBUF     0x1001
  38 CONSTANT: SO_RCVBUF     0x1002
  39 CONSTANT: SO_SNDLOWAT   0x1003
  40 CONSTANT: SO_RCVLOWAT   0x1004
  41 CONSTANT: SO_SNDTIMEO   0x1005
  42 CONSTANT: SO_RCVTIMEO   0x1006
  43 CONSTANT: SO_ERROR      0x1007
  44 CONSTANT: SO_TYPE       0x1008
  45
  46 CONSTANT: TCP_NODELAY   0x1
  47
  48 CONSTANT: AF_UNSPEC      0
  49 CONSTANT: AF_UNIX        1
  50 CONSTANT: AF_INET        2
  51 CONSTANT: AF_IMPLINK     3
  52 CONSTANT: AF_PUP         4
  53 CONSTANT: AF_CHAOS       5
  54 CONSTANT: AF_NS          6
  55 CONSTANT: AF_ISO         7
  56 ALIAS: AF_OSI    AF_ISO
  57 CONSTANT: AF_ECMA        8
  58 CONSTANT: AF_DATAKIT     9
  59 CONSTANT: AF_CCITT      10
  60 CONSTANT: AF_SNA        11
  61 CONSTANT: AF_DECnet     12
  62 CONSTANT: AF_DLI        13
  63 CONSTANT: AF_LAT        14
  64 CONSTANT: AF_HYLINK     15
  65 CONSTANT: AF_APPLETALK  16
  66 CONSTANT: AF_NETBIOS    17
  67 CONSTANT: AF_MAX        18
  68 CONSTANT: AF_INET6      23
  69 CONSTANT: AF_IRDA       26
  70 CONSTANT: AF_BTM        32
  71
  72 CONSTANT: PF_UNSPEC      0
  73 CONSTANT: PF_LOCAL       1
  74 CONSTANT: PF_INET        2
  75 CONSTANT: PF_INET6      23
  76
  77 CONSTANT: AI_PASSIVE        0x0001
  78 CONSTANT: AI_CANONNAME      0x0002
  79 CONSTANT: AI_NUMERICHOST    0x0004
  80 CONSTANT: AI_ALL            0x0100
  81 CONSTANT: AI_ADDRCONFIG     0x0400
  82
  83 CONSTANT: AI_MASK flags{ AI_PASSIVE AI_CANONNAME AI_NUMERICHOST }
  84
  85 CONSTANT: NI_NUMERICHOST 1
  86 CONSTANT: NI_NUMERICSERV 2
  87
  88 CONSTANT: IPPROTO_IP        0           ! Dummy protocol for TCP.
  89 CONSTANT: IPPROTO_ICMP      1           ! Internet Control Message Protocol.
  90 CONSTANT: IPPROTO_IGMP      2           ! Internet Group Management Protocol. */
  91 CONSTANT: IPPROTO_IPIP      4           ! IPIP tunnels (older KA9Q tunnels use 94).
  92 CONSTANT: IPPROTO_TCP       6           ! Transmission Control Protocol.
  93 CONSTANT: IPPROTO_EGP       8           ! Exterior Gateway Protocol.
  94 CONSTANT: IPPROTO_PUP      12           ! PUP protocol.
  95 CONSTANT: IPPROTO_UDP      17           ! User Datagram Protocol.
  96 CONSTANT: IPPROTO_IDP      22           ! XNS IDP protocol.
  97 CONSTANT: IPPROTO_TP       29           ! SO Transport Protocol Class 4.
  98 CONSTANT: IPPROTO_DCCP     33           ! Datagram Congestion Control Protocol.
  99 CONSTANT: IPPROTO_IPV6     41           ! IPv6 header.
 100 CONSTANT: IPPROTO_RSVP     46           ! Reservation Protocol.
 101 CONSTANT: IPPROTO_GRE      47           ! General Routing Encapsulation.
 102 CONSTANT: IPPROTO_ESP      50           ! encapsulating security payload.
 103 CONSTANT: IPPROTO_AH       51           ! authentication header.
 104 CONSTANT: IPPROTO_MTP      92           ! Multicast Transport Protocol.
 105 CONSTANT: IPPROTO_BEETPH   94           ! IP option pseudo header for BEET.
 106 CONSTANT: IPPROTO_ENCAP    98           ! Encapsulation Header.
 107 CONSTANT: IPPROTO_PIM     103           ! Protocol Independent Multicast.
 108 CONSTANT: IPPROTO_COMP    108           ! Compression Header Protocol.
 109 CONSTANT: IPPROTO_RM      113           ! Reliable Multicast aka PGM
 110 CONSTANT: IPPROTO_SCTP    132           ! Stream Control Transmission Protocol.
 111 CONSTANT: IPPROTO_UDPLITE 136           ! UDP-Lite protocol.
 112 CONSTANT: IPPROTO_MPLS    137           ! MPLS in IP.
 113 CONSTANT: IPPROTO_RAW     255           ! Raw IP packets.
 114
 115 CONSTANT: FIOASYNC      0x8004667d
 116 CONSTANT: FIONBIO       0x8004667e
 117 CONSTANT: FIONREAD      0x4004667f
 118
 119 CONSTANT: IP_OPTIONS 1
 120 CONSTANT: IP_HDRINCL 2
 121 CONSTANT: IP_TOS 3
 122 CONSTANT: IP_TTL 4
 123 CONSTANT: IP_MULTICAST_IF 9
 124 CONSTANT: IP_MULTICAST_TTL 10
 125 CONSTANT: IP_MULTICAST_LOOP 11
 126 CONSTANT: IP_ADD_MEMBERSHIP 12
 127 CONSTANT: IP_DROP_MEMBERSHIP 13
 128 CONSTANT: IP_DONTFRAGMENT 14
 129 CONSTANT: IP_ADD_SOURCE_MEMBERSHIP 15
 130 CONSTANT: IP_DROP_SOURCE_MEMBERSHIP 16
 131 CONSTANT: IP_BLOCK_SOURCE 17
 132 CONSTANT: IP_UNBLOCK_SOURCE 18
 133 CONSTANT: IP_PKTINFO 19
 134 CONSTANT: IP_RECEIVE_BROADCAST 22
 135
 136
 137 CONSTANT: WSA_FLAG_OVERLAPPED 1
 138 ALIAS: WSA_WAIT_EVENT_0 WAIT_OBJECT_0
 139 ALIAS: WSA_MAXIMUM_WAIT_EVENTS MAXIMUM_WAIT_OBJECTS
 140 CONSTANT: WSA_INVALID_EVENT f
 141 CONSTANT: WSA_WAIT_FAILED -1
 142 ALIAS: WSA_WAIT_IO_COMPLETION WAIT_IO_COMPLETION
 143 ALIAS: WSA_WAIT_TIMEOUT WAIT_TIMEOUT
 144 ALIAS: WSA_INFINITE INFINITE
 145 ALIAS: WSA_IO_PENDING ERROR_IO_PENDING
 146
 147 CONSTANT: INADDR_ANY 0
 148
 149 : INVALID_SOCKET ( -- n ) -1 <alien> ; inline
 150
 151 : SOCKET_ERROR ( -- n ) -1 ; inline
 152
 153 CONSTANT: SD_RECV 0
 154 CONSTANT: SD_SEND 1
 155 CONSTANT: SD_BOTH 2
 156
 157 CONSTANT: SOL_SOCKET 0xffff
 158
 159 C-TYPE: sockaddr
 160
 161 STRUCT: sockaddr-in
 162     { family short }
 163     { port ushort }
 164     { addr uint }
 165     { pad char[8] } ;
 166
 167 STRUCT: sockaddr-in6
 168     { family uchar }
 169     { port ushort }
 170     { flowinfo uint }
 171     { addr uchar[16] }
 172     { scopeid uint } ;
 173
 174 STRUCT: hostent
 175     { name c-string }
 176     { aliases void* }
 177     { addrtype short }
 178     { length short }
 179     { addr-list void* } ;
 180
 181 STRUCT: protoent
 182     { name c-string }
 183     { aliases void* }
 184     { proto short } ;
 185
 186 STRUCT: addrinfo
 187     { flags int }
 188     { family int }
 189     { socktype int }
 190     { protocol int }
 191     { addrlen size_t }
 192     { canonname c-string }
 193     { addr sockaddr* }
 194     { next addrinfo* } ;
 195
 196 STRUCT: timeval
 197     { sec long }
 198     { usec long } ;
 199
 200 GENERIC: sockaddr>ip ( sockaddr -- string )
 201
 202 M: sockaddr-in sockaddr>ip
 203     addr>> uint <ref> [ number>string ] { } map-as "." join ;
 204
 205 M: sockaddr-in6 sockaddr>ip
 206     addr>> [ >hex ] { } map-as 2 group [ concat ] map ":" join ;
 207
 208 STRUCT: fd_set
 209     { fd_count uint }
 210     { fd_array SOCKET[64] } ;
 211
 212 LIBRARY: winsock
 213
 214 FUNCTION: int setsockopt ( SOCKET s, int level, int optname, c-string optval, int optlen )
 215 FUNCTION: int ioctlsocket ( SOCKET s, long cmd, ulong* *argp )
 216
 217 FUNCTION: ushort htons ( ushort n )
 218 FUNCTION: ushort ntohs ( ushort n )
 219 FUNCTION: int bind ( SOCKET socket, sockaddr-in* sockaddr, int len )
 220 FUNCTION: int listen ( SOCKET socket, int backlog )
 221 FUNCTION: c-string inet_ntoa ( int in-addr )
 222 FUNCTION: int getaddrinfo ( c-string nodename,
 223                             c-string servername,
 224                             addrinfo* hints,
 225                             addrinfo** res )
 226
 227 FUNCTION: void freeaddrinfo ( addrinfo* ai )
 228
 229
 230 FUNCTION: hostent* gethostbyname ( c-string name )
 231 FUNCTION: int gethostname ( c-string name, int len )
 232 FUNCTION: SOCKET socket ( int domain, int type, int protocol )
 233 FUNCTION: int connect ( SOCKET socket, sockaddr-in* sockaddr, int addrlen )
 234 FUNCTION: int select ( int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, timeval* timeout )
 235 FUNCTION: int closesocket ( SOCKET s )
 236 FUNCTION: int shutdown ( SOCKET s, int how )
 237 FUNCTION: int send ( SOCKET s, c-string buf, int len, int flags )
 238 FUNCTION: int recv ( SOCKET s, c-string buf, int len, int flags )
 239
 240 FUNCTION: int getsockname ( SOCKET s, sockaddr-in* address, int* addrlen )
 241 FUNCTION: int getpeername ( SOCKET s, sockaddr-in* address, int* addrlen )
 242
 243 FUNCTION: protoent* getprotobyname ( c-string name )
 244
 245 FUNCTION: servent* getservbyname ( c-string name, c-string prot )
 246 FUNCTION: servent* getservbyport ( int port, c-string prot )
 247
 248 TYPEDEF: uint SERVICETYPE
 249 TYPEDEF: void* LPWSADATA
 250 TYPEDEF: OVERLAPPED WSAOVERLAPPED
 251 TYPEDEF: WSAOVERLAPPED* LPWSAOVERLAPPED
 252 TYPEDEF: uint GROUP
 253 TYPEDEF: void* LPCONDITIONPROC
 254 TYPEDEF: HANDLE WSAEVENT
 255 TYPEDEF: LPHANDLE LPWSAEVENT
 256 TYPEDEF: sockaddr* LPSOCKADDR
 257
 258 STRUCT: FLOWSPEC
 259     { TokenRate          uint        }
 260     { TokenBucketSize    uint        }
 261     { PeakBandwidth      uint        }
 262     { Latency            uint        }
 263     { DelayVariation     uint        }
 264     { ServiceType        SERVICETYPE }
 265     { MaxSduSize         uint        }
 266     { MinimumPolicedSize uint        } ;
 267 TYPEDEF: FLOWSPEC* PFLOWSPEC
 268 TYPEDEF: FLOWSPEC* LPFLOWSPEC
 269
 270 STRUCT: WSABUF
 271     { len ulong }
 272     { buf void* } ;
 273 TYPEDEF: WSABUF* LPWSABUF
 274
 275 STRUCT: QOS
 276     { SendingFlowspec FLOWSPEC }
 277     { ReceivingFlowspec FLOWSPEC }
 278     { ProviderSpecific WSABUF } ;
 279 TYPEDEF: QOS* LPQOS
 280
 281 CONSTANT: MAX_PROTOCOL_CHAIN 7
 282
 283 STRUCT: WSAPROTOCOLCHAIN
 284     { ChainLen int }
 285     { ChainEntries { DWORD 7 } } ;
 286     ! { ChainEntries { DWORD MAX_PROTOCOL_CHAIN } } ;
 287 TYPEDEF: WSAPROTOCOLCHAIN* LPWSAPROTOCOLCHAIN
 288
 289 CONSTANT: WSAPROTOCOL_LEN 255
 290
 291 STRUCT: WSAPROTOCOL_INFOW
 292     { dwServiceFlags1 DWORD }
 293     { dwServiceFlags2 DWORD }
 294     { dwServiceFlags3 DWORD }
 295     { dwServiceFlags4 DWORD }
 296     { dwProviderFlags DWORD }
 297     { ProviderId GUID }
 298     { dwCatalogEntryId DWORD }
 299     { ProtocolChain WSAPROTOCOLCHAIN }
 300     { iVersion int }
 301     { iAddressFamily int }
 302     { iMaxSockAddr int }
 303     { iMinSockAddr int }
 304     { iSocketType int }
 305     { iProtocol int }
 306     { iProtocolMaxOffset int }
 307     { iNetworkByteOrder int }
 308     { iSecurityScheme int }
 309     { dwMessageSize DWORD }
 310     { dwProviderReserved DWORD }
 311     { szProtocol { WCHAR 256 } } ;
 312     ! { szProtocol[WSAPROTOCOL_LEN+1] { WCHAR 256 } } ;
 313 TYPEDEF: WSAPROTOCOL_INFOW* PWSAPROTOCOL_INFOW
 314 TYPEDEF: WSAPROTOCOL_INFOW* LPWSAPROTOCOL_INFOW
 315 TYPEDEF: WSAPROTOCOL_INFOW WSAPROTOCOL_INFO
 316 TYPEDEF: WSAPROTOCOL_INFOW* PWSAPROTOCOL_INFO
 317 TYPEDEF: WSAPROTOCOL_INFOW* LPWSAPROTOCOL_INFO
 318
 319
 320 STRUCT: WSANAMESPACE_INFOW
 321     { NSProviderId   GUID    }
 322     { dwNameSpace    DWORD   }
 323     { fActive        BOOL    }
 324     { dwVersion      DWORD   }
 325     { lpszIdentifier LPWSTR  } ;
 326 TYPEDEF: WSANAMESPACE_INFOW* PWSANAMESPACE_INFOW
 327 TYPEDEF: WSANAMESPACE_INFOW* LPWSANAMESPACE_INFOW
 328 TYPEDEF: WSANAMESPACE_INFOW WSANAMESPACE_INFO
 329 TYPEDEF: WSANAMESPACE_INFO* PWSANAMESPACE_INFO
 330 TYPEDEF: WSANAMESPACE_INFO* LPWSANAMESPACE_INFO
 331
 332 CONSTANT: FD_MAX_EVENTS 10
 333
 334 STRUCT: WSANETWORKEVENTS
 335     { lNetworkEvents long }
 336     { iErrorCode { int FD_MAX_EVENTS } } ;
 337 TYPEDEF: WSANETWORKEVENTS* PWSANETWORKEVENTS
 338 TYPEDEF: WSANETWORKEVENTS* LPWSANETWORKEVENTS
 339
 340 ! STRUCT: WSAOVERLAPPED
 341     ! { Internal DWORD }
 342     ! { InternalHigh DWORD }
 343     ! { Offset DWORD }
 344     ! { OffsetHigh DWORD }
 345     ! { hEvent WSAEVENT }
 346     ! { bytesTransferred DWORD } ;
 347 ! TYPEDEF: WSAOVERLAPPED* LPWSAOVERLAPPED
 348
 349 FUNCTION: SOCKET WSAAccept ( SOCKET s,
 350                              sockaddr* addr,
 351                              LPINT addrlen,
 352                              LPCONDITIONPROC lpfnCondition,
 353                              DWORD dwCallbackData )
 354
 355 ! FUNCTION: INT WSAAddressToString ( LPSOCKADDR lpsaAddress, DWORD dwAddressLength, LPWSAPROTOCOL_INFO lpProtocolInfo, LPTSTR lpszAddressString, LPDWORD lpdwAddressStringLength ) ;
 356
 357 FUNCTION: int WSACleanup ( )
 358 FUNCTION: BOOL WSACloseEvent ( WSAEVENT hEvent )
 359
 360 FUNCTION: int WSAConnect ( SOCKET s,
 361                            sockaddr* name,
 362                            int namelen,
 363                            LPWSABUF lpCallerData,
 364                            LPWSABUF lpCalleeData,
 365                            LPQOS lpSQOS,
 366                            LPQOS lpGQOS )
 367 FUNCTION: WSAEVENT WSACreateEvent ( )
 368 ! FUNCTION: INT WSAEnumNameSpaceProviders ( LPDWORD lpdwBufferLength, LPWSANAMESPACE_INFO lpnspBuffer ) ;
 369 FUNCTION: int WSAEnumNetworkEvents ( SOCKET s,
 370                                      WSAEVENT hEventObject,
 371                                      LPWSANETWORKEVENTS lpNetworkEvents )
 372 ! FUNCTION: int WSAEnumProtocols ( LPINT lpiProtocols, LPWSAPROTOCOL_INFO lpProtocolBuffer, LPDWORD lpwdBufferLength ) ;
 373
 374 FUNCTION: int WSAEventSelect ( SOCKET s,
 375                                WSAEVENT hEventObject,
 376                                long lNetworkEvents )
 377 FUNCTION: int WSAGetLastError ( )
 378 FUNCTION: BOOL WSAGetOverlappedResult ( SOCKET s,
 379                                         LPWSAOVERLAPPED lpOverlapped,
 380                                         LPDWORD lpcbTransfer,
 381                                         BOOL fWait,
 382                                         LPDWORD lpdwFlags )
 383
 384 TYPEDEF: void* LPWSAOVERLAPPED_COMPLETION_ROUTINE
 385 FUNCTION: int WSAIoctl ( SOCKET s,
 386                          DWORD dwIoControlCode,
 387                          LPVOID lpvInBuffer,
 388                          DWORD cbInBuffer,
 389                          LPVOID lpvOutBuffer,
 390                          DWORD cbOutBuffer,
 391                          LPDWORD lpcbBytesReturned,
 392                          LPWSAOVERLAPPED lpOverlapped,
 393                          LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 394
 395 FUNCTION: int WSARecv ( SOCKET s,
 396                         LPWSABUF lpBuffers,
 397                         DWORD dwBufferCount,
 398                         LPDWORD lpNumberOfBytesRecvd,
 399                         LPDWORD lpFlags,
 400                         LPWSAOVERLAPPED lpOverlapped,
 401                         LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 402
 403 FUNCTION: int WSARecvFrom ( SOCKET s,
 404                             LPWSABUF lpBuffers,
 405                             DWORD dwBufferCount,
 406                             LPDWORD lpNumberOfBytesRecvd,
 407                             LPDWORD lpFlags,
 408                             sockaddr* lpFrom,
 409                             LPINT lpFromlen,
 410                             LPWSAOVERLAPPED lpOverlapped,
 411                             LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 412
 413 FUNCTION: BOOL WSAResetEvent ( WSAEVENT hEvent )
 414 FUNCTION: int WSASend ( SOCKET s,
 415                         LPWSABUF lpBuffers,
 416                         DWORD dwBufferCount,
 417                         LPDWORD lpNumberOfBytesSent,
 418                         LPDWORD lpFlags,
 419                         LPWSAOVERLAPPED lpOverlapped,
 420                  LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 421
 422 FUNCTION: int WSASendTo ( SOCKET s,
 423                           LPWSABUF lpBuffers,
 424                           DWORD dwBufferCount,
 425                           LPDWORD lpNumberOfBytesSent,
 426                           DWORD dwFlags,
 427                           sockaddr* lpTo,
 428                           int iToLen,
 429                           LPWSAOVERLAPPED lpOverlapped,
 430   LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 431
 432 FUNCTION: int WSAStartup ( WORD version,  LPWSADATA out-data )
 433
 434 FUNCTION: SOCKET WSASocketW ( int af,
 435                              int type,
 436                              int protocol,
 437                              LPWSAPROTOCOL_INFOW lpProtocolInfo,
 438                              GROUP g,
 439                              DWORD flags )
 440 ALIAS: WSASocket WSASocketW
 441
 442 FUNCTION: DWORD WSAWaitForMultipleEvents ( DWORD cEvents,
 443                                            WSAEVENT* lphEvents,
 444                                            BOOL fWaitAll,
 445                                            DWORD dwTimeout,
 446                                            BOOL fAlertable )
 447
 448
 449 LIBRARY: mswsock
 450
 451 FUNCTION: int AcceptEx ( SOCKET listen,
 452                          SOCKET accept,
 453                          PVOID out-buf,
 454                          DWORD recv-len,
 455                          DWORD addr-len,
 456                          DWORD remote-len,
 457                          LPDWORD out-len,
 458                          LPOVERLAPPED overlapped )
 459
 460 FUNCTION: void GetAcceptExSockaddrs (
 461   PVOID lpOutputBuffer,
 462   DWORD dwReceiveDataLength,
 463   DWORD dwLocalAddressLength,
 464   DWORD dwRemoteAddressLength,
 465   LPSOCKADDR* LocalSockaddr,
 466   LPINT LocalSockaddrLength,
 467   LPSOCKADDR* RemoteSockaddr,
 468   LPINT RemoteSockaddrLength
 469 )
 470
 471 CONSTANT: SIO_GET_EXTENSION_FUNCTION_POINTER -939524090
 472
 473 CONSTANT: WSAID_CONNECTEX GUID: {25a207b9-ddf3-4660-8ee9-76e58c74063e}
 474
 475 ERROR: winsock-exception n string ;
 476
 477 : winsock-expected-error? ( n -- ? )
 478     ${ ERROR_IO_PENDING ERROR_SUCCESS WSA_IO_PENDING } member? ;
 479
 480 : (maybe-winsock-exception) ( n -- winsock-exception/f )
 481     ! ! WSAStartup returns the error code 'n' directly
 482     dup winsock-expected-error?
 483     [ drop f ] [ [ ] [ n>win32-error-string ] bi \ winsock-exception boa ] if ;
 484
 485 : maybe-winsock-exception ( -- winsock-exception/f )
 486     WSAGetLastError (maybe-winsock-exception) ;
 487
 488 : winsock-error ( -- )
 489     maybe-winsock-exception [ throw ] when* ;
 490
 491 : (winsock-error) ( n -- * )
 492     [ ] [ n>win32-error-string ] bi winsock-exception ;
 493
 494 : throw-winsock-error ( -- * )
 495     WSAGetLastError (winsock-error) ;
 496
 497 : winsock-error=0/f ( n/f -- )
 498     { 0 f } member? [ winsock-error ] when ;
 499
 500 : winsock-error!=0/f ( n/f -- )
 501     { 0 f } member? [ winsock-error ] unless ;
 502
 503 ! WSAStartup and WSACleanup return the error code directly
 504 : winsock-return-check ( n/f -- )
 505     dup { 0 f } member? [
 506         drop
 507     ] [
 508         [ ] [ n>win32-error-string ] bi winsock-exception
 509     ] if ;
 510
 511 : socket-error* ( n -- )
 512     SOCKET_ERROR = [
 513         WSAGetLastError
 514         dup WSA_IO_PENDING = [
 515             drop
 516         ] [
 517             (maybe-winsock-exception) throw
 518         ] if
 519     ] when ;
 520
 521 : socket-error ( n -- )
 522     SOCKET_ERROR = [ winsock-error ] when ;
 523
 524 : init-winsock ( -- )
 525     0x0202 <wsadata> WSAStartup winsock-return-check ;
 526
 527 : shutdown-winsock ( -- ) WSACleanup winsock-return-check ;
 528
 529 STARTUP-HOOK: init-winsock
 530 SHUTDOWN-HOOK: shutdown-winsock