37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
#lang scheme
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;; Both `server' and `accept-and-handle' change
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;; to use a custodian.
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(define (serve port-no)
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(define main-cust (make-custodian))
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(parameterize ([current-custodian main-cust])
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(define listener (tcp-listen port-no 5 #t))
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(define (loop)
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(accept-and-handle listener)
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(loop))
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(thread loop))
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(lambda ()
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(custodian-shutdown-all main-cust)))
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(define (accept-and-handle listener)
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(define cust (make-custodian))
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(parameterize ([current-custodian cust])
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(define-values (in out) (tcp-accept listener))
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(thread (lambda ()
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(handle in out)
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(close-input-port in)
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(close-output-port out))))
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;; Watcher thread:
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(thread (lambda ()
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(sleep 10)
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(custodian-shutdown-all cust))))
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(define (handle in out)
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;; Discard the request header (up to blank line):
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(regexp-match #rx"(\r\n|^)\r\n" in)
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;; Send reply:
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(display "HTTP/1.0 200 Okay\r\n" out)
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(display "Server: k\r\nContent-Type: text/html\r\n\r\n" out)
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(display "<html><body>Hello, world!</body></html>" out))
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