factor/library/telnetd.factor

! :folding=indent:collapseFolds=1:

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IN: telnetd
USE: combinators
USE: continuations
USE: errors
USE: interpreter
USE: logging
USE: logic
USE: namespaces
USE: stack
USE: stdio
USE: streams

: telnet-client ( socket -- )
    dup [
        "client" set
        log-client
        interpreter-loop
    ] with-stream ;

: quit-flag ( -- ? )
    global [ "telnetd-quit-flag" get ] bind ;

: clear-quit-flag ( --  )
    global [ f "telnetd-quit-flag" set ] bind ;

: telnetd-loop ( server -- server )
    [
        quit-flag not
    ] [
        dup accept telnet-client
    ] while ;

: telnetd ( port -- )
    [
        <server> [
            telnetd-loop
        ] [
            clear-quit-flag swap fclose rethrow
        ] catch
    ] with-logging ;