328 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Factor
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			328 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Factor
		
	
	
		
			Executable File
		
	
| ! Copyright (C) 2007, 2009 Slava Pestov, Doug Coleman.
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| ! See http://factorcode.org/license.txt for BSD license.
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| 
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| USING: accessors alien alien.c-types alien.data alien.strings
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| byte-arrays classes.struct combinators destructors io.backend
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| io.encodings.ascii io.files.windows io.ports io.sockets
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| io.sockets.icmp io.sockets.private kernel libc locals math
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| sequences system windows.errors windows.handles windows.kernel32
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| windows.types windows.winsock ;
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| 
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| FROM: namespaces => get ;
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| IN: io.sockets.windows
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| 
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| : set-socket-option ( handle level opt -- )
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|     [ handle>> ] 2dip 1 int <ref> dup byte-length setsockopt socket-error ;
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| 
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| : set-ioctl-socket ( handle cmd arg -- )
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|     [ handle>> ] 2dip ulong <ref> ioctlsocket socket-error ;
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| 
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| M: windows addrinfo-error-string ( n -- string )
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|     n>win32-error-string ;
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| 
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| M: windows sockaddr-of-family ( alien af -- addrspec )
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|     {
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|         { AF_INET [ sockaddr-in memory>struct ] }
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|         { AF_INET6 [ sockaddr-in6 memory>struct ] }
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|         [ 2drop f ]
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|     } case ;
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| 
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| M: windows addrspec-of-family ( af -- addrspec )
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|     {
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|         { AF_INET [ T{ ipv4 } ] }
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|         { AF_INET6 [ T{ ipv6 } ] }
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|         [ drop f ]
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|     } case ;
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| 
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| HOOK: WSASocket-flags io-backend ( -- DWORD )
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| 
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| TUPLE: win32-socket < win32-file ;
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| 
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| : <win32-socket> ( handle -- win32-socket )
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|     win32-socket new-win32-handle ;
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| 
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| M: win32-socket dispose* ( stream -- )
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|     handle>> closesocket socket-error* ;
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| 
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| : unspecific-sockaddr/size ( addrspec -- sockaddr len )
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|     [ empty-sockaddr/size ] [ protocol-family ] bi pick family<< ;
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| 
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| : opened-socket ( handle -- win32-socket )
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|     <win32-socket> |dispose add-completion ;
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| 
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| : open-socket ( addrspec type -- win32-socket )
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|     [ drop protocol-family ] [ swap protocol ] 2bi
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|     f 0 WSASocket-flags WSASocket
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|     dup socket-error
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|     opened-socket ;
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| 
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| M: object (get-local-address) ( socket addrspec -- sockaddr )
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|     [ handle>> ] dip empty-sockaddr/size int <ref>
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|     [ getsockname socket-error ] 2keep drop ;
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| 
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| M: object (get-remote-address) ( socket addrspec -- sockaddr )
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|     [ handle>> ] dip empty-sockaddr/size int <ref>
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|     [ getpeername socket-error ] 2keep drop ;
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| 
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| : bind-socket ( win32-socket sockaddr len -- )
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|     [ handle>> ] 2dip bind socket-error ;
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| 
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| M: object ((client)) ( addrspec -- handle )
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|     [ SOCK_STREAM open-socket ] keep
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|     [
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|         bind-local-address get
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|         [ nip make-sockaddr/size ]
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|         [ unspecific-sockaddr/size ] if* bind-socket
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|     ] [ drop ] 2bi ;
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| 
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| : server-socket ( addrspec type -- fd )
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|     [ open-socket ] [ drop ] 2bi
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|     [ make-sockaddr/size bind-socket ] [ drop ] 2bi ;
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| 
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| ! http://support.microsoft.com/kb/127144
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| ! NOTE: Possibly tweak this because of SYN flood attacks
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| : listen-backlog ( -- n ) 0x7fffffff ; inline
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| 
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| M: object (server) ( addrspec -- handle )
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|     [
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|         SOCK_STREAM server-socket
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|         dup handle>> listen-backlog listen winsock-return-check
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|     ] with-destructors ;
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| 
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| M: windows (datagram) ( addrspec -- handle )
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|     [ SOCK_DGRAM server-socket ] with-destructors ;
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| 
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| M: windows (raw) ( addrspec -- handle )
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|     [ SOCK_RAW server-socket ] with-destructors ;
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| 
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| M: windows (broadcast) ( datagram -- datagram )
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|     dup handle>> SOL_SOCKET SO_BROADCAST set-socket-option ;
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| 
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| : malloc-int ( n -- alien )
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|     int <ref> malloc-byte-array ; inline
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| 
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| M: windows WSASocket-flags ( -- DWORD )
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|     WSA_FLAG_OVERLAPPED ; inline
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| 
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| : get-ConnectEx-ptr ( socket -- void* )
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|     SIO_GET_EXTENSION_FUNCTION_POINTER
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|     WSAID_CONNECTEX
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|     GUID heap-size
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|     { void* }
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|     [
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|         void* heap-size
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|         0 DWORD <ref>
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|         f
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|         f
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|         WSAIoctl SOCKET_ERROR = [
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|             maybe-winsock-exception throw
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|         ] when
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|     ] with-out-parameters ;
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| 
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| TUPLE: ConnectEx-args port
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|     s name namelen lpSendBuffer dwSendDataLength
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|     lpdwBytesSent lpOverlapped ptr ;
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| 
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| : wait-for-socket ( args -- count )
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|     [ lpOverlapped>> ] [ port>> ] bi twiddle-thumbs ; inline
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| 
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| : <ConnectEx-args> ( sockaddr size -- ConnectEx )
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|     ConnectEx-args new
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|         swap >>namelen
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|         swap >>name
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|         f >>lpSendBuffer
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|         0 >>dwSendDataLength
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|         f >>lpdwBytesSent
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|         (make-overlapped) >>lpOverlapped ; inline
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| 
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| : call-ConnectEx ( ConnectEx -- )
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|     {
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|         [ s>> ]
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|         [ name>> ]
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|         [ namelen>> ]
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|         [ lpSendBuffer>> ]
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|         [ dwSendDataLength>> ]
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|         [ lpdwBytesSent>> ]
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|         [ lpOverlapped>> ]
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|         [ ptr>> ]
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|     } cleave
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|     int
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|     { SOCKET void* int PVOID DWORD LPDWORD void* }
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|     stdcall alien-indirect drop
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|     winsock-error ; inline
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| 
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| M: object establish-connection ( client-out remote -- )
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|     make-sockaddr/size <ConnectEx-args>
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|         swap >>port
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|         dup port>> handle>> handle>> >>s
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|         dup s>> get-ConnectEx-ptr >>ptr
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|         dup call-ConnectEx
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|         wait-for-socket drop ;
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| 
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| TUPLE: AcceptEx-args port
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|     sListenSocket sAcceptSocket lpOutputBuffer dwReceiveDataLength
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|     dwLocalAddressLength dwRemoteAddressLength lpdwBytesReceived lpOverlapped ;
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| 
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| : init-accept-buffer ( addr AcceptEx -- )
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|     swap sockaddr-size 16 +
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|         [ >>dwLocalAddressLength ] [ >>dwRemoteAddressLength ] bi
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|         dup dwLocalAddressLength>> 2 * malloc &free >>lpOutputBuffer
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|         drop ; inline
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| 
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| : <AcceptEx-args> ( server addr -- AcceptEx )
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|     AcceptEx-args new
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|         2dup init-accept-buffer
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|         swap SOCK_STREAM open-socket |dispose handle>> >>sAcceptSocket
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|         over handle>> handle>> >>sListenSocket
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|         swap >>port
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|         0 >>dwReceiveDataLength
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|         f >>lpdwBytesReceived
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|         (make-overlapped) >>lpOverlapped ; inline
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| 
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| ! AcceptEx return value is useless
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| : call-AcceptEx ( AcceptEx -- )
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|     {
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|         [ sListenSocket>> ]
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|         [ sAcceptSocket>> ]
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|         [ lpOutputBuffer>> ]
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|         [ dwReceiveDataLength>> ]
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|         [ dwLocalAddressLength>> ]
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|         [ dwRemoteAddressLength>> ]
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|         [ lpdwBytesReceived>> ]
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|         [ lpOverlapped>> ]
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|     } cleave AcceptEx drop winsock-error ; inline
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| 
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| : (extract-remote-address) ( lpOutputBuffer dwReceiveDataLength dwLocalAddressLength dwRemoteAddressLength -- sockaddr )
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|     f void* <ref> 0 int <ref> f void* <ref>
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|     [ 0 int <ref> GetAcceptExSockaddrs ] keep void* deref ;
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| 
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| : extract-remote-address ( AcceptEx -- sockaddr )
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|     [
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|         {
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|             [ lpOutputBuffer>> ]
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|             [ dwReceiveDataLength>> ]
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|             [ dwLocalAddressLength>> ]
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|             [ dwRemoteAddressLength>> ]
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|         } cleave
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|         (extract-remote-address)
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|     ] [ port>> addr>> protocol-family ] bi
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|     sockaddr-of-family ; inline
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| 
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| M: object (accept) ( server addr -- handle sockaddr )
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|     [
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|         <AcceptEx-args>
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|         {
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|             [ call-AcceptEx ]
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|             [ wait-for-socket drop ]
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|             [ sAcceptSocket>> <win32-socket> ]
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|             [ extract-remote-address ]
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|         } cleave
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|     ] with-destructors ;
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| 
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| TUPLE: WSARecvFrom-args port
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|        s lpBuffers dwBufferCount lpNumberOfBytesRecvd
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|        lpFlags lpFrom lpFromLen lpOverlapped lpCompletionRoutine ;
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| 
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| :: make-receive-buffer ( n buf -- buf' WSABUF )
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|     buf >c-ptr pinned-alien?
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|     [ buf ] [ n malloc &free [ buf n memcpy ] keep ] if :> buf'
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|     buf'
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|     WSABUF malloc-struct &free
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|         n >>len
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|         buf' >>buf ; inline
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| 
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| :: <WSARecvFrom-args> ( n buf datagram -- buf buf' WSARecvFrom )
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|     n buf make-receive-buffer :> ( buf' wsaBuf )
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|     buf buf'
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|     WSARecvFrom-args new
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|         datagram >>port
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|         datagram handle>> handle>> >>s
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|         datagram addr>> sockaddr-size
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|             [ malloc &free >>lpFrom ]
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|             [ malloc-int &free >>lpFromLen ] bi
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|         wsaBuf >>lpBuffers
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|         1 >>dwBufferCount
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|         0 malloc-int &free >>lpFlags
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|         0 malloc-int &free >>lpNumberOfBytesRecvd
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|         (make-overlapped) >>lpOverlapped ; inline
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| 
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| : call-WSARecvFrom ( WSARecvFrom -- )
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|     {
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|         [ s>> ]
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|         [ lpBuffers>> ]
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|         [ dwBufferCount>> ]
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|         [ lpNumberOfBytesRecvd>> ]
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|         [ lpFlags>> ]
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|         [ lpFrom>> ]
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|         [ lpFromLen>> ]
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|         [ lpOverlapped>> ]
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|         [ lpCompletionRoutine>> ]
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|     } cleave WSARecvFrom socket-error* ; inline
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| 
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| :: finalize-buf ( buf buf' count -- )
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|     buf buf' eq? [ buf buf' count memcpy ] unless ; inline
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| 
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| :: parse-WSARecvFrom ( buf buf' count wsaRecvFrom -- count sockaddr )
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|     buf buf' count finalize-buf
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|     count wsaRecvFrom
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|     [ port>> addr>> empty-sockaddr dup ]
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|     [ lpFrom>> ]
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|     [ lpFromLen>> int deref ]
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|     tri memcpy ; inline
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| 
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| M: windows (receive-unsafe) ( n buf datagram -- count addrspec )
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|     [
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|         <WSARecvFrom-args>
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|         [ call-WSARecvFrom ]
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|         [ wait-for-socket ]
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|         [ parse-WSARecvFrom ]
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|         tri
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|     ] with-destructors ;
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| 
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| TUPLE: WSASendTo-args port
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|        s lpBuffers dwBufferCount lpNumberOfBytesSent
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|        dwFlags lpTo iToLen lpOverlapped lpCompletionRoutine ;
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| 
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| : make-send-buffer ( packet -- WSABUF )
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|     [ WSABUF malloc-struct &free ] dip
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|         [ malloc-byte-array &free >>buf ]
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|         [ length >>len ] bi ; inline
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| 
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| : <WSASendTo-args> ( packet addrspec datagram -- WSASendTo )
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|     WSASendTo-args new
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|         swap >>port
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|         dup port>> handle>> handle>> >>s
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|         swap make-sockaddr/size
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|             [ malloc-byte-array &free ] dip
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|             [ >>lpTo ] [ >>iToLen ] bi*
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|         swap make-send-buffer >>lpBuffers
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|         1 >>dwBufferCount
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|         0 >>dwFlags
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|         0 uint <ref> >>lpNumberOfBytesSent
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|         (make-overlapped) >>lpOverlapped ; inline
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| 
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| : call-WSASendTo ( WSASendTo -- )
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|     {
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|         [ s>> ]
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|         [ lpBuffers>> ]
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|         [ dwBufferCount>> ]
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|         [ lpNumberOfBytesSent>> ]
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|         [ dwFlags>> ]
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|         [ lpTo>> ]
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|         [ iToLen>> ]
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|         [ lpOverlapped>> ]
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|         [ lpCompletionRoutine>> ]
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|     } cleave WSASendTo socket-error* ; inline
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| 
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| M: windows (send) ( packet addrspec datagram -- )
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|     [
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|         <WSASendTo-args>
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|         [ call-WSASendTo ]
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|         [ wait-for-socket drop ]
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|         bi
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|     ] with-destructors ;
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| 
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| M: windows host-name
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|     256 [ <byte-array> dup ] keep gethostname socket-error
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|     ascii alien>string ;
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