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 USE-X86-64: windows.winsock.64
  11 USE-X86-32: windows.winsock.32
  12
  13 TYPEDEF: int* SOCKET
  14
  15 : <wsadata> ( -- byte-array )
  16     0x190 <byte-array> ;
  17
  18 CONSTANT: SOCK_STREAM    1
  19 CONSTANT: SOCK_DGRAM     2
  20 CONSTANT: SOCK_RAW       3
  21 CONSTANT: SOCK_RDM       4
  22 CONSTANT: SOCK_SEQPACKET 5
  23
  24 CONSTANT: SO_DEBUG       0x1
  25 CONSTANT: SO_ACCEPTCONN  0x2
  26 CONSTANT: SO_REUSEADDR   0x4
  27 CONSTANT: SO_KEEPALIVE   0x8
  28 CONSTANT: SO_DONTROUTE   0x10
  29 CONSTANT: SO_BROADCAST   0x20
  30 CONSTANT: SO_USELOOPBACK 0x40
  31 CONSTANT: SO_LINGER      0x80
  32 CONSTANT: SO_OOBINLINE   0x100
  33 : SO_DONTLINGER ( -- n ) SO_LINGER bitnot ; inline
  34
  35 CONSTANT: SO_SNDBUF     0x1001
  36 CONSTANT: SO_RCVBUF     0x1002
  37 CONSTANT: SO_SNDLOWAT   0x1003
  38 CONSTANT: SO_RCVLOWAT   0x1004
  39 CONSTANT: SO_SNDTIMEO   0x1005
  40 CONSTANT: SO_RCVTIMEO   0x1006
  41 CONSTANT: SO_ERROR      0x1007
  42 CONSTANT: SO_TYPE       0x1008
  43
  44 CONSTANT: TCP_NODELAY   0x1
  45
  46 CONSTANT: AF_UNSPEC      0
  47 CONSTANT: AF_UNIX        1
  48 CONSTANT: AF_INET        2
  49 CONSTANT: AF_IMPLINK     3
  50 CONSTANT: AF_PUP         4
  51 CONSTANT: AF_CHAOS       5
  52 CONSTANT: AF_NS          6
  53 CONSTANT: AF_ISO         7
  54 ALIAS: AF_OSI    AF_ISO
  55 CONSTANT: AF_ECMA        8
  56 CONSTANT: AF_DATAKIT     9
  57 CONSTANT: AF_CCITT      10
  58 CONSTANT: AF_SNA        11
  59 CONSTANT: AF_DECnet     12
  60 CONSTANT: AF_DLI        13
  61 CONSTANT: AF_LAT        14
  62 CONSTANT: AF_HYLINK     15
  63 CONSTANT: AF_APPLETALK  16
  64 CONSTANT: AF_NETBIOS    17
  65 CONSTANT: AF_MAX        18
  66 CONSTANT: AF_INET6      23
  67 CONSTANT: AF_IRDA       26
  68 CONSTANT: AF_BTM        32
  69
  70 CONSTANT: PF_UNSPEC      0
  71 CONSTANT: PF_LOCAL       1
  72 CONSTANT: PF_INET        2
  73 CONSTANT: PF_INET6      23
  74
  75 CONSTANT: AI_PASSIVE        0x0001
  76 CONSTANT: AI_CANONNAME      0x0002
  77 CONSTANT: AI_NUMERICHOST    0x0004
  78 CONSTANT: AI_ALL            0x0100
  79 CONSTANT: AI_ADDRCONFIG     0x0400
  80
  81 CONSTANT: AI_MASK flags{ AI_PASSIVE AI_CANONNAME AI_NUMERICHOST }
  82
  83 CONSTANT: NI_NUMERICHOST 1
  84 CONSTANT: NI_NUMERICSERV 2
  85
  86 CONSTANT: IPPROTO_IP        0           ! Dummy protocol for TCP.
  87 CONSTANT: IPPROTO_ICMP      1           ! Internet Control Message Protocol.
  88 CONSTANT: IPPROTO_IGMP      2           ! Internet Group Management Protocol. */
  89 CONSTANT: IPPROTO_IPIP      4           ! IPIP tunnels (older KA9Q tunnels use 94).
  90 CONSTANT: IPPROTO_TCP       6           ! Transmission Control Protocol.
  91 CONSTANT: IPPROTO_EGP       8           ! Exterior Gateway Protocol.
  92 CONSTANT: IPPROTO_PUP      12           ! PUP protocol.
  93 CONSTANT: IPPROTO_UDP      17           ! User Datagram Protocol.
  94 CONSTANT: IPPROTO_IDP      22           ! XNS IDP protocol.
  95 CONSTANT: IPPROTO_TP       29           ! SO Transport Protocol Class 4.
  96 CONSTANT: IPPROTO_DCCP     33           ! Datagram Congestion Control Protocol.
  97 CONSTANT: IPPROTO_IPV6     41           ! IPv6 header.
  98 CONSTANT: IPPROTO_RSVP     46           ! Reservation Protocol.
  99 CONSTANT: IPPROTO_GRE      47           ! General Routing Encapsulation.
 100 CONSTANT: IPPROTO_ESP      50           ! encapsulating security payload.
 101 CONSTANT: IPPROTO_AH       51           ! authentication header.
 102 CONSTANT: IPPROTO_MTP      92           ! Multicast Transport Protocol.
 103 CONSTANT: IPPROTO_BEETPH   94           ! IP option pseudo header for BEET.
 104 CONSTANT: IPPROTO_ENCAP    98           ! Encapsulation Header.
 105 CONSTANT: IPPROTO_PIM     103           ! Protocol Independent Multicast.
 106 CONSTANT: IPPROTO_COMP    108           ! Compression Header Protocol.
 107 CONSTANT: IPPROTO_RM      113           ! Reliable Multicast aka PGM
 108 CONSTANT: IPPROTO_SCTP    132           ! Stream Control Transmission Protocol.
 109 CONSTANT: IPPROTO_UDPLITE 136           ! UDP-Lite protocol.
 110 CONSTANT: IPPROTO_MPLS    137           ! MPLS in IP.
 111 CONSTANT: IPPROTO_RAW     255           ! Raw IP packets.
 112
 113 CONSTANT: FIOASYNC      0x8004667d
 114 CONSTANT: FIONBIO       0x8004667e
 115 CONSTANT: FIONREAD      0x4004667f
 116
 117 CONSTANT: IP_OPTIONS 1
 118 CONSTANT: IP_HDRINCL 2
 119 CONSTANT: IP_TOS 3
 120 CONSTANT: IP_TTL 4
 121 CONSTANT: IP_MULTICAST_IF 9
 122 CONSTANT: IP_MULTICAST_TTL 10
 123 CONSTANT: IP_MULTICAST_LOOP 11
 124 CONSTANT: IP_ADD_MEMBERSHIP 12
 125 CONSTANT: IP_DROP_MEMBERSHIP 13
 126 CONSTANT: IP_DONTFRAGMENT 14
 127 CONSTANT: IP_ADD_SOURCE_MEMBERSHIP 15
 128 CONSTANT: IP_DROP_SOURCE_MEMBERSHIP 16
 129 CONSTANT: IP_BLOCK_SOURCE 17
 130 CONSTANT: IP_UNBLOCK_SOURCE 18
 131 CONSTANT: IP_PKTINFO 19
 132 CONSTANT: IP_RECEIVE_BROADCAST 22
 133
 134
 135 CONSTANT: WSA_FLAG_OVERLAPPED 1
 136 ALIAS: WSA_WAIT_EVENT_0 WAIT_OBJECT_0
 137 ALIAS: WSA_MAXIMUM_WAIT_EVENTS MAXIMUM_WAIT_OBJECTS
 138 CONSTANT: WSA_INVALID_EVENT f
 139 CONSTANT: WSA_WAIT_FAILED -1
 140 ALIAS: WSA_WAIT_IO_COMPLETION WAIT_IO_COMPLETION
 141 ALIAS: WSA_WAIT_TIMEOUT WAIT_TIMEOUT
 142 ALIAS: WSA_INFINITE INFINITE
 143 ALIAS: WSA_IO_PENDING ERROR_IO_PENDING
 144
 145 CONSTANT: INADDR_ANY 0
 146
 147 : INVALID_SOCKET ( -- n ) -1 <alien> ; inline
 148
 149 : SOCKET_ERROR ( -- n ) -1 ; inline
 150
 151 CONSTANT: SD_RECV 0
 152 CONSTANT: SD_SEND 1
 153 CONSTANT: SD_BOTH 2
 154
 155 CONSTANT: SOL_SOCKET 0xffff
 156
 157 C-TYPE: sockaddr
 158
 159 STRUCT: sockaddr-in
 160     { family short }
 161     { port ushort }
 162     { addr uint }
 163     { pad char[8] } ;
 164
 165 STRUCT: sockaddr-in6
 166     { family uchar }
 167     { port ushort }
 168     { flowinfo uint }
 169     { addr uchar[16] }
 170     { scopeid uint } ;
 171
 172 STRUCT: hostent
 173     { name c-string }
 174     { aliases void* }
 175     { addrtype short }
 176     { length short }
 177     { addr-list void* } ;
 178
 179 STRUCT: protoent
 180     { name c-string }
 181     { aliases void* }
 182     { proto short } ;
 183
 184 STRUCT: addrinfo
 185     { flags int }
 186     { family int }
 187     { socktype int }
 188     { protocol int }
 189     { addrlen size_t }
 190     { canonname c-string }
 191     { addr sockaddr* }
 192     { next addrinfo* } ;
 193
 194 STRUCT: timeval
 195     { sec long }
 196     { usec long } ;
 197
 198 GENERIC: sockaddr>ip ( sockaddr -- string )
 199
 200 M: sockaddr-in sockaddr>ip
 201     addr>> uint <ref> [ number>string ] { } map-as "." join ;
 202
 203 M: sockaddr-in6 sockaddr>ip
 204     addr>> [ >hex ] { } map-as 2 group [ concat ] map ":" join ;
 205
 206 STRUCT: fd_set
 207     { fd_count uint }
 208     { fd_array SOCKET[64] } ;
 209
 210 LIBRARY: winsock
 211
 212 FUNCTION: int setsockopt ( SOCKET s, int level, int optname, c-string optval, int optlen )
 213 FUNCTION: int ioctlsocket ( SOCKET s, long cmd, ulong* *argp )
 214
 215 FUNCTION: ushort htons ( ushort n )
 216 FUNCTION: ushort ntohs ( ushort n )
 217 FUNCTION: int bind ( SOCKET socket, sockaddr-in* sockaddr, int len )
 218 FUNCTION: int listen ( SOCKET socket, int backlog )
 219 FUNCTION: c-string inet_ntoa ( int in-addr )
 220 FUNCTION: int getaddrinfo ( c-string nodename,
 221                             c-string servername,
 222                             addrinfo* hints,
 223                             addrinfo** res )
 224
 225 FUNCTION: void freeaddrinfo ( addrinfo* ai )
 226
 227
 228 FUNCTION: hostent* gethostbyname ( c-string name )
 229 FUNCTION: int gethostname ( c-string name, int len )
 230 FUNCTION: SOCKET socket ( int domain, int type, int protocol )
 231 FUNCTION: int connect ( SOCKET socket, sockaddr-in* sockaddr, int addrlen )
 232 FUNCTION: int select ( int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, timeval* timeout )
 233 FUNCTION: int closesocket ( SOCKET s )
 234 FUNCTION: int shutdown ( SOCKET s, int how )
 235 FUNCTION: int send ( SOCKET s, c-string buf, int len, int flags )
 236 FUNCTION: int recv ( SOCKET s, c-string buf, int len, int flags )
 237
 238 FUNCTION: int getsockname ( SOCKET s, sockaddr-in* address, int* addrlen )
 239 FUNCTION: int getpeername ( SOCKET s, sockaddr-in* address, int* addrlen )
 240
 241 FUNCTION: protoent* getprotobyname ( c-string name )
 242
 243 FUNCTION: servent* getservbyname ( c-string name, c-string prot )
 244 FUNCTION: servent* getservbyport ( int port, c-string prot )
 245
 246 TYPEDEF: uint SERVICETYPE
 247 TYPEDEF: void* LPWSADATA
 248 TYPEDEF: OVERLAPPED WSAOVERLAPPED
 249 TYPEDEF: WSAOVERLAPPED* LPWSAOVERLAPPED
 250 TYPEDEF: uint GROUP
 251 TYPEDEF: void* LPCONDITIONPROC
 252 TYPEDEF: HANDLE WSAEVENT
 253 TYPEDEF: LPHANDLE LPWSAEVENT
 254 TYPEDEF: sockaddr* LPSOCKADDR
 255
 256 STRUCT: FLOWSPEC
 257     { TokenRate          uint        }
 258     { TokenBucketSize    uint        }
 259     { PeakBandwidth      uint        }
 260     { Latency            uint        }
 261     { DelayVariation     uint        }
 262     { ServiceType        SERVICETYPE }
 263     { MaxSduSize         uint        }
 264     { MinimumPolicedSize uint        } ;
 265 TYPEDEF: FLOWSPEC* PFLOWSPEC
 266 TYPEDEF: FLOWSPEC* LPFLOWSPEC
 267
 268 STRUCT: WSABUF
 269     { len ulong }
 270     { buf void* } ;
 271 TYPEDEF: WSABUF* LPWSABUF
 272
 273 STRUCT: QOS
 274     { SendingFlowspec FLOWSPEC }
 275     { ReceivingFlowspec FLOWSPEC }
 276     { ProviderSpecific WSABUF } ;
 277 TYPEDEF: QOS* LPQOS
 278
 279 CONSTANT: MAX_PROTOCOL_CHAIN 7
 280
 281 STRUCT: WSAPROTOCOLCHAIN
 282     { ChainLen int }
 283     { ChainEntries { DWORD 7 } } ;
 284     ! { ChainEntries { DWORD MAX_PROTOCOL_CHAIN } } ;
 285 TYPEDEF: WSAPROTOCOLCHAIN* LPWSAPROTOCOLCHAIN
 286
 287 CONSTANT: WSAPROTOCOL_LEN 255
 288
 289 STRUCT: WSAPROTOCOL_INFOW
 290     { dwServiceFlags1 DWORD }
 291     { dwServiceFlags2 DWORD }
 292     { dwServiceFlags3 DWORD }
 293     { dwServiceFlags4 DWORD }
 294     { dwProviderFlags DWORD }
 295     { ProviderId GUID }
 296     { dwCatalogEntryId DWORD }
 297     { ProtocolChain WSAPROTOCOLCHAIN }
 298     { iVersion int }
 299     { iAddressFamily int }
 300     { iMaxSockAddr int }
 301     { iMinSockAddr int }
 302     { iSocketType int }
 303     { iProtocol int }
 304     { iProtocolMaxOffset int }
 305     { iNetworkByteOrder int }
 306     { iSecurityScheme int }
 307     { dwMessageSize DWORD }
 308     { dwProviderReserved DWORD }
 309     { szProtocol { WCHAR 256 } } ;
 310     ! { szProtocol[WSAPROTOCOL_LEN+1] { WCHAR 256 } } ;
 311 TYPEDEF: WSAPROTOCOL_INFOW* PWSAPROTOCOL_INFOW
 312 TYPEDEF: WSAPROTOCOL_INFOW* LPWSAPROTOCOL_INFOW
 313 TYPEDEF: WSAPROTOCOL_INFOW WSAPROTOCOL_INFO
 314 TYPEDEF: WSAPROTOCOL_INFOW* PWSAPROTOCOL_INFO
 315 TYPEDEF: WSAPROTOCOL_INFOW* LPWSAPROTOCOL_INFO
 316
 317
 318 STRUCT: WSANAMESPACE_INFOW
 319     { NSProviderId   GUID    }
 320     { dwNameSpace    DWORD   }
 321     { fActive        BOOL    }
 322     { dwVersion      DWORD   }
 323     { lpszIdentifier LPWSTR  } ;
 324 TYPEDEF: WSANAMESPACE_INFOW* PWSANAMESPACE_INFOW
 325 TYPEDEF: WSANAMESPACE_INFOW* LPWSANAMESPACE_INFOW
 326 TYPEDEF: WSANAMESPACE_INFOW WSANAMESPACE_INFO
 327 TYPEDEF: WSANAMESPACE_INFO* PWSANAMESPACE_INFO
 328 TYPEDEF: WSANAMESPACE_INFO* LPWSANAMESPACE_INFO
 329
 330 CONSTANT: FD_MAX_EVENTS 10
 331
 332 STRUCT: WSANETWORKEVENTS
 333     { lNetworkEvents long }
 334     { iErrorCode { int FD_MAX_EVENTS } } ;
 335 TYPEDEF: WSANETWORKEVENTS* PWSANETWORKEVENTS
 336 TYPEDEF: WSANETWORKEVENTS* LPWSANETWORKEVENTS
 337
 338 ! STRUCT: WSAOVERLAPPED
 339     ! { Internal DWORD }
 340     ! { InternalHigh DWORD }
 341     ! { Offset DWORD }
 342     ! { OffsetHigh DWORD }
 343     ! { hEvent WSAEVENT }
 344     ! { bytesTransferred DWORD } ;
 345 ! TYPEDEF: WSAOVERLAPPED* LPWSAOVERLAPPED
 346
 347 FUNCTION: SOCKET WSAAccept ( SOCKET s,
 348                              sockaddr* addr,
 349                              LPINT addrlen,
 350                              LPCONDITIONPROC lpfnCondition,
 351                              DWORD dwCallbackData )
 352
 353 ! FUNCTION: INT WSAAddressToString ( LPSOCKADDR lpsaAddress, DWORD dwAddressLength, LPWSAPROTOCOL_INFO lpProtocolInfo, LPTSTR lpszAddressString, LPDWORD lpdwAddressStringLength ) ;
 354
 355 FUNCTION: int WSACleanup ( )
 356 FUNCTION: BOOL WSACloseEvent ( WSAEVENT hEvent )
 357
 358 FUNCTION: int WSAConnect ( SOCKET s,
 359                            sockaddr* name,
 360                            int namelen,
 361                            LPWSABUF lpCallerData,
 362                            LPWSABUF lpCalleeData,
 363                            LPQOS lpSQOS,
 364                            LPQOS lpGQOS )
 365 FUNCTION: WSAEVENT WSACreateEvent ( )
 366 ! FUNCTION: INT WSAEnumNameSpaceProviders ( LPDWORD lpdwBufferLength, LPWSANAMESPACE_INFO lpnspBuffer ) ;
 367 FUNCTION: int WSAEnumNetworkEvents ( SOCKET s,
 368                                      WSAEVENT hEventObject,
 369                                      LPWSANETWORKEVENTS lpNetworkEvents )
 370 ! FUNCTION: int WSAEnumProtocols ( LPINT lpiProtocols, LPWSAPROTOCOL_INFO lpProtocolBuffer, LPDWORD lpwdBufferLength ) ;
 371
 372 FUNCTION: int WSAEventSelect ( SOCKET s,
 373                                WSAEVENT hEventObject,
 374                                long lNetworkEvents )
 375 FUNCTION: int WSAGetLastError ( )
 376 FUNCTION: BOOL WSAGetOverlappedResult ( SOCKET s,
 377                                         LPWSAOVERLAPPED lpOverlapped,
 378                                         LPDWORD lpcbTransfer,
 379                                         BOOL fWait,
 380                                         LPDWORD lpdwFlags )
 381
 382 TYPEDEF: void* LPWSAOVERLAPPED_COMPLETION_ROUTINE
 383 FUNCTION: int WSAIoctl ( SOCKET s,
 384                          DWORD dwIoControlCode,
 385                          LPVOID lpvInBuffer,
 386                          DWORD cbInBuffer,
 387                          LPVOID lpvOutBuffer,
 388                          DWORD cbOutBuffer,
 389                          LPDWORD lpcbBytesReturned,
 390                          LPWSAOVERLAPPED lpOverlapped,
 391                          LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 392
 393 FUNCTION: int WSARecv ( SOCKET s,
 394                         LPWSABUF lpBuffers,
 395                         DWORD dwBufferCount,
 396                         LPDWORD lpNumberOfBytesRecvd,
 397                         LPDWORD lpFlags,
 398                         LPWSAOVERLAPPED lpOverlapped,
 399                         LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 400
 401 FUNCTION: int WSARecvFrom ( SOCKET s,
 402                             LPWSABUF lpBuffers,
 403                             DWORD dwBufferCount,
 404                             LPDWORD lpNumberOfBytesRecvd,
 405                             LPDWORD lpFlags,
 406                             sockaddr* lpFrom,
 407                             LPINT lpFromlen,
 408                             LPWSAOVERLAPPED lpOverlapped,
 409                             LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 410
 411 FUNCTION: BOOL WSAResetEvent ( WSAEVENT hEvent )
 412 FUNCTION: int WSASend ( SOCKET s,
 413                         LPWSABUF lpBuffers,
 414                         DWORD dwBufferCount,
 415                         LPDWORD lpNumberOfBytesSent,
 416                         LPDWORD lpFlags,
 417                         LPWSAOVERLAPPED lpOverlapped,
 418                  LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 419
 420 FUNCTION: int WSASendTo ( SOCKET s,
 421                           LPWSABUF lpBuffers,
 422                           DWORD dwBufferCount,
 423                           LPDWORD lpNumberOfBytesSent,
 424                           DWORD dwFlags,
 425                           sockaddr* lpTo,
 426                           int iToLen,
 427                           LPWSAOVERLAPPED lpOverlapped,
 428   LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
 429
 430 FUNCTION: int WSAStartup ( WORD version,  LPWSADATA out-data )
 431
 432 FUNCTION: SOCKET WSASocketW ( int af,
 433                              int type,
 434                              int protocol,
 435                              LPWSAPROTOCOL_INFOW lpProtocolInfo,
 436                              GROUP g,
 437                              DWORD flags )
 438 ALIAS: WSASocket WSASocketW
 439
 440 FUNCTION: DWORD WSAWaitForMultipleEvents ( DWORD cEvents,
 441                                            WSAEVENT* lphEvents,
 442                                            BOOL fWaitAll,
 443                                            DWORD dwTimeout,
 444                                            BOOL fAlertable )
 445
 446
 447 LIBRARY: mswsock
 448
 449 FUNCTION: int AcceptEx ( SOCKET listen,
 450                          SOCKET accept,
 451                          PVOID out-buf,
 452                          DWORD recv-len,
 453                          DWORD addr-len,
 454                          DWORD remote-len,
 455                          LPDWORD out-len,
 456                          LPOVERLAPPED overlapped )
 457
 458 FUNCTION: void GetAcceptExSockaddrs (
 459   PVOID lpOutputBuffer,
 460   DWORD dwReceiveDataLength,
 461   DWORD dwLocalAddressLength,
 462   DWORD dwRemoteAddressLength,
 463   LPSOCKADDR* LocalSockaddr,
 464   LPINT LocalSockaddrLength,
 465   LPSOCKADDR* RemoteSockaddr,
 466   LPINT RemoteSockaddrLength
 467 )
 468
 469 CONSTANT: SIO_GET_EXTENSION_FUNCTION_POINTER -939524090
 470
 471 CONSTANT: WSAID_CONNECTEX GUID: {25a207b9-ddf3-4660-8ee9-76e58c74063e}
 472
 473 ERROR: winsock-exception n string ;
 474
 475 : winsock-expected-error? ( n -- ? )
 476     ${ ERROR_IO_PENDING ERROR_SUCCESS WSA_IO_PENDING } member? ;
 477
 478 : (maybe-winsock-exception) ( n -- winsock-exception/f )
 479     ! ! WSAStartup returns the error code 'n' directly
 480     dup winsock-expected-error?
 481     [ drop f ] [ [ ] [ n>win32-error-string ] bi \ winsock-exception boa ] if ;
 482
 483 : maybe-winsock-exception ( -- winsock-exception/f )
 484     WSAGetLastError (maybe-winsock-exception) ;
 485
 486 : winsock-error ( -- )
 487     maybe-winsock-exception [ throw ] when* ;
 488
 489 : (winsock-error) ( n -- * )
 490     [ ] [ n>win32-error-string ] bi winsock-exception ;
 491
 492 : throw-winsock-error ( -- * )
 493     WSAGetLastError (winsock-error) ;
 494
 495 : winsock-error=0/f ( n/f -- )
 496     { 0 f } member? [ winsock-error ] when ;
 497
 498 : winsock-error!=0/f ( n/f -- )
 499     { 0 f } member? [ winsock-error ] unless ;
 500
 501 ! WSAStartup and WSACleanup return the error code directly
 502 : winsock-return-check ( n/f -- )
 503     dup { 0 f } member? [
 504         drop
 505     ] [
 506         [ ] [ n>win32-error-string ] bi winsock-exception
 507     ] if ;
 508
 509 : socket-error* ( n -- )
 510     SOCKET_ERROR = [
 511         WSAGetLastError
 512         dup WSA_IO_PENDING = [
 513             drop
 514         ] [
 515             (maybe-winsock-exception) throw
 516         ] if
 517     ] when ;
 518
 519 : socket-error ( n -- )
 520     SOCKET_ERROR = [ winsock-error ] when ;
 521
 522 : init-winsock ( -- )
 523     0x0202 <wsadata> WSAStartup winsock-return-check ;
 524
 525 : shutdown-winsock ( -- ) WSACleanup winsock-return-check ;
 526
 527 STARTUP-HOOK: init-winsock
 528 SHUTDOWN-HOOK: shutdown-winsock