factor/library/io/windows/server.factor

71 lines
2.3 KiB
Factor

! Copyright (C) 2006 Mackenzie Straight, Doug Coleman.
IN: win32-server
USING: alien errors generic kernel kernel-internals math namespaces
prettyprint sequences io strings threads win32-api
win32-io-internals io-internals win32-stream ;
TUPLE: win32-client-stream host port ;
: (handle-socket-error) ( -- )
WSAGetLastError [ ERROR_IO_PENDING ERROR_SUCCESS ] member?
[ WSAGetLastError error_message throw ] unless ;
: handle-socket-error!=0/f ( int -- )
[ 0 f ] member? [ (handle-socket-error) ] unless ;
: handle-socket-error=0/f ( int -- )
[ 0 f ] member? [ (handle-socket-error) ] when ;
: init-winsock ( -- )
HEX: 0202 <wsadata> WSAStartup handle-socket-error!=0/f ;
: new-socket ( -- socket )
AF_INET SOCK_STREAM 0 f f WSA_FLAG_OVERLAPPED
WSASocket dup INVALID_SOCKET = [ (handle-socket-error) ] when ;
: setup-sockaddr ( port -- sockaddr )
"sockaddr-in" <c-object> swap
htons over set-sockaddr-in-port
INADDR_ANY over set-sockaddr-in-addr
AF_INET over set-sockaddr-in-family ;
: bind-socket ( port socket -- )
swap setup-sockaddr "sockaddr-in" c-size wsa-bind handle-socket-error!=0/f ;
: listen-backlog ( -- n ) 20 ; inline
: listen-socket ( socket -- )
listen-backlog wsa-listen handle-socket-error!=0/f ;
: sockaddr> ( sockaddr -- port host )
dup sockaddr-in-port ntohs swap sockaddr-in-addr inet-ntoa ;
: extract-remote-host ( buffer -- port host )
buffer-ptr <alien> 0 32 32 0 <int>
0 <int>
0 <int>
dup >r 0 <int>
GetAcceptExSockaddrs r> *int <alien> sockaddr> ;
C: win32-client-stream ( buf stream -- stream )
[ set-delegate extract-remote-host ] keep
[ set-win32-client-stream-host ] keep
[ set-win32-client-stream-port ] keep ;
M: win32-client-stream client-stream-host ( win32-client-stream -- host )
win32-client-stream-host ;
M: win32-client-stream client-stream-port ( win32-client-stream -- port )
win32-client-stream-port ;
: make-win32-server ( port -- win32-stream )
new-socket tuck bind-socket dup listen-socket dup add-completion
<win32-stream> <win32-duplex-stream> ;
: client-sockaddr ( host port -- sockaddr )
setup-sockaddr [
>r gethostbyname dup handle-socket-error=0/f hostent-addr
r> set-sockaddr-in-addr
] keep ;