51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
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256 constant CONNECTION_BUFFER_SIZE
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0
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cell +field connection.number
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cell +field connection.fd
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cell +field connection.connected
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cell +field connection.bufferlen
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CONNECTION_BUFFER_SIZE +field connection.buffer
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constant /CONNECTION
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1024 10 * constant MAX_CONNECTIONS
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variable last-connection -1 last-connection !
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variable largest-index -1 largest-index !
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MAX_CONNECTIONS /CONNECTION * constant CONNECTIONS_SIZE
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create connections CONNECTIONS_SIZE allot
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connections CONNECTIONS_SIZE erase
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: (translate) ( index-u -- connection-addr )
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/CONNECTION * connections + ;
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: (untranslate) ( connection-addr -- index-u )
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connections - /CONNECTION / ;
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: (find-free) ( -- index-u flag )
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MAX_CONNECTIONS 0 DO
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I (translate) connection.connected @ invert IF
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I true UNLOOP EXIT
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THEN
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LOOP 0 false ;
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: connections.append ( connection-addr -- flag )
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(find-free) IF
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tuck (translate) /CONNECTION move
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dup last-connection !
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dup largest-index @ > IF
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largest-index !
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ELSE
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drop
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THEN
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true
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ELSE
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2drop false
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THEN ;
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: connections.count ( -- count-u )
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largest-index @ 1+ ;
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: connections.at ( index-u -- connection-addr )
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(translate) ;
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: connections.last ( -- connection-addr )
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last-connection @ (translate) ;
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: connections.indexOf ( connection-addr -- index-u )
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(untranslate) ;
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