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26 lines
862 B
Scheme
Executable file
26 lines
862 B
Scheme
Executable file
#!/usr/bin/env chibi-scheme
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;; Simple R7RS echo server, using the run-net-server utility from
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;; (chibi net server).
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(import (scheme base) (scheme write) (chibi net) (chibi net server))
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;; Copy each input line to output.
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(define (echo-handler in out sock addr)
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(let ((line (read-line in)))
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(cond
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((not (or (eof-object? line) (equal? line "")))
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;; log the request to stdout
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(display "read: ") (write line)
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(display " from ")
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(display (sockaddr-name (address-info-address addr)))
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(display ":") (write (sockaddr-port (address-info-address addr)))
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(newline)
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;; write and flush the response
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(display line out)
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(newline out)
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(flush-output-port out)
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(echo-handler in out sock addr)))))
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;; Start the server on *:5556 dispatching clients to echo-handler.
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(run-net-server 5556 echo-handler)
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