reorganized some stuff, started experimenting with racket/gui

1 files changed, 72 insertions, 0 deletions

diff --git a/feasibility_analysis/tcpvanilla/client.rkt b/feasibility_analysis/tcpvanilla/client.rkt
new file mode 100644
index 0000000..967d2b9
--- /dev/null
+++ b/feasibility_analysis/tcpvanilla/client.rkt
@@ -0,0 +1,72 @@
+#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 ()
+      (chat in out)
+      (close-input-port in)
+      (close-output-port out))
+      (custodian-shutdown-all main-client-cust))
+
+    ; (sleep 60)  ;; run for 3 minutes then close
+    ; (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 (chat in out)
+ ; (driver-loop in out)
+ (writeln "Ibrahim: Hello, anyone in chat?" out)
+ (flush-output out) ;; ports are buffered in racket must flush or you
+    ;; will read #eof
+ (sleep 10) ;; wait 10 seconds
+ (define serv-message (read-line in))
+ (displayln serv-message) ;; read the servers replay message which is original
+    ;; with echo appended to it
+ )
+
+; (define input-prompt "Hermes: ")
+
+(define (driver-loop in out)
+  ; (prompt-for-input input-prompt)
+  (display ">>> ")
+  (define input (read))
+  (writeln (string-append "Ibrahim: " input) out)
+  (flush-output out)
+  ; (sleep 10)
+  (define output (read-line in))
+  (displayln output)
+  (driver-loop in out))
+
+
+#|   (let ((input (read))) |#
+;     )
+;   (let ((input (read)))
+;     (let ((output (mc-eval input the-global-environment)))
+;       (announce-output output-prompt)
+;       (user-print output)))
+;   (driver-loop))
+;
+; (define (announce-output string)
+;   (display string))
+#|  |#