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-rw-r--r--tests/tcpvanilla/client2.rkt43
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diff --git a/tests/tcpvanilla/client2.rkt b/tests/tcpvanilla/client2.rkt
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+#lang racket
+
+;; Both `server' and `accept-and-handle' change
+;; to use a custodian.
+;; To start server
+;; (define stop (client 8080))
+;; use your web browser to connect localhost:8080 greeted with "hello world"
+;; (stop) to close the server
+
+(define (client port-no)
+ (define main-client-cust (make-custodian))
+ (parameterize ([current-custodian main-client-cust])
+ ;; connect to server at port 8080
+ (define-values (in out) (tcp-connect "localhost" port-no)) ;; define values
+ ;; binds to multiple values akin to unpacking tuples in python
+ (thread (lambda ()
+ (send-message in out)
+ (close-input-port in)
+ (close-output-port out))))
+ (sleep 20)
+ ; (define (loop)
+ ; (write (read-line (current-input-port)) out)
+ ; (flush-output out)
+ ; (write (read-line in) (current-output-port))
+ ; (define listener (tcp-listen port-no 5 #t))
+ ; (define (loop)
+ ; (accept-and-handle listener)
+ ; (loop))
+ ; (thread loop)))
+ (custodian-shutdown-all main-client-cust)
+ #| (lambda () |#
+ ; (displayln "Goodbye, shutting down client\n")
+ #| (custodian-shutdown-all main-client-cust)) |#)
+
+(define (send-message input-port output-port)
+ (writeln "Doug: Hello, how's it going?" output-port)
+ (flush-output output-port) ;; ports are buffered in racket must flush or you
+ ;; will read #eof
+ (sleep 10) ;; wait 10 seconds
+ (define serv-message (read-line input-port))
+ (displayln serv-message) ;; read the servers replay message which is original
+ ;; with echo appended to it
+ )