From 946eb7d95fc04d465802c8fc00e5d4130a52c8f2 Mon Sep 17 00:00:00 2001 From: Random Hacker Date: Sat, 23 Feb 2013 01:32:51 +0100 Subject: racket: aufgraeumt, data2c gefixt --- ebus-racket/util/tcp-repl.rkt | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 ebus-racket/util/tcp-repl.rkt (limited to 'ebus-racket/util/tcp-repl.rkt') diff --git a/ebus-racket/util/tcp-repl.rkt b/ebus-racket/util/tcp-repl.rkt new file mode 100644 index 0000000..4b19d85 --- /dev/null +++ b/ebus-racket/util/tcp-repl.rkt @@ -0,0 +1,35 @@ +(module tcp-repl racket/base + (require mzlib/thread + racket/tcp) + (provide (prefix-out tcp-repl- run) + (prefix-out tcp-repl- logger)) + + (define logger (make-logger 'tcp-repl (current-logger))) + + (define (run namespace port) + (thread + (lambda () + (run-server port ; TCP-Port + (make-connection-handler namespace) ; connection handler + #f; timeout + (lambda (tcp-port max-allow-wait reuse?) ; listen handler + (log-message logger 'info (format "Listen on ~a:~a" "127.0.0.1" tcp-port) #t) + (tcp-listen tcp-port max-allow-wait reuse? "127.0.0.1")) + )))) + + (define (tcp-tostring port) + (let-values ([(address-from port-from address-to port-to) (tcp-addresses port #t)]) + (format "~a:~a -> ~a:~a" address-from port-from address-to port-to))) + + (define (make-connection-handler namespace) + (lambda (ip op) + (let/ec exit + (log-message logger 'info (format "New Connection ~a" (tcp-tostring ip)) #t) + (parameterize ([current-input-port ip] + [current-output-port op] + [current-error-port op] + [current-namespace namespace]) + (read-eval-print-loop)) + (log-message logger 'info (format "End Connection ~a" (tcp-tostring ip)) #t) + (close-output-port op)))) + ) ; end module tcp-repl \ No newline at end of file -- cgit v1.2.1