Merge pull request #1 from oplS17projects/mango0.2

Mango

5 files changed, 0 insertions, 223 deletions

diff --git a/feasibility_analysis/tcpvanilla/README.md b/feasibility_analysis/tcpvanilla/README.md
deleted file mode 100644
index b8e2883..0000000
--- a/feasibility_analysis/tcpvanilla/README.md
+++ /dev/null
@@ -1,20 +0,0 @@
-a simple experiment on communication via tcp ports
-
-a server runs continously servicing clients. Clients connect, send a message, and
-server replies with a message. Message should appear in each separate REPL area
-prompt
-
-run server.rkt in a REPL
-```
-,en server.rkt 
-(define stop (serve 8080))  ;; starts serve listening at port 8080
-(stop) ;; to stop server and free the ports
-
-```
-
-run client.rkt in a separate REPL
-```
-,en client.rkt
-(define stop (client 8080)) ;; starts client talking to server at port 8080
-
-```
diff --git a/feasibility_analysis/tcpvanilla/client.rkt b/feasibility_analysis/tcpvanilla/client.rkt
deleted file mode 100644
index 967d2b9..0000000
--- a/feasibility_analysis/tcpvanilla/client.rkt
+++ /dev/null
@@ -1,72 +0,0 @@
-#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))
-#|  |#
diff --git a/feasibility_analysis/tcpvanilla/client2.rkt b/feasibility_analysis/tcpvanilla/client2.rkt
deleted file mode 100644
index 47e3052..0000000
--- a/feasibility_analysis/tcpvanilla/client2.rkt
+++ /dev/null
@@ -1,43 +0,0 @@
-#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
- )
diff --git a/feasibility_analysis/tcpvanilla/server.rkt b/feasibility_analysis/tcpvanilla/server.rkt
deleted file mode 100644
index bf72aff..0000000
--- a/feasibility_analysis/tcpvanilla/server.rkt
+++ /dev/null
@@ -1,58 +0,0 @@
-#lang racket
-
-;; Both `server' and `accept-and-handle' change
-;; to use a custodian.
-;; To start server
-;; (define stop (serve 8080))
-;; use your web browser to connect localhost:8080 greeted with "hello world"
-;; (stop) to close the server
-
-(define (serve port-no)
-  (define main-cust (make-custodian))
-  (parameterize ([current-custodian main-cust])
-    (define listener (tcp-listen port-no 5 #t))
-    (define (loop)
-      (accept-and-handle listener)
-      (loop))
-    (thread loop))
-  (lambda ()
-    (displayln "\nGoodbye, shutting down all services\n")
-    (custodian-shutdown-all main-cust)))
-
-(define (accept-and-handle listener)
-  (define cust (make-custodian))
-  (parameterize ([current-custodian cust])
-    (define-values (in out) (tcp-accept listener))
-    (thread (lambda ()
-              (handle in out) ;; this handles connection with that specific client
-              (close-input-port in)
-              (close-output-port out))))
-  ;; Watcher thread:
-  (thread (lambda ()
-            (sleep 120)
-            (custodian-shutdown-all cust))))
-
-(define (handle in out) 
-  ; (server-loop in out)
-  (sleep 5) ;; wait 5 seconds to guarantee client has already send message
-  (define echo (read-line in)) ;; bind message to echo
-  (displayln (string-append echo "\n"))
-  ; echo back the message, appending echo
-  ; could regex match the input to extract the name
-  (writeln  "Admin: Hello there" out) ;; append "echo " to echo and send back
-  (flush-output out)
-)
-
-(define input-prompt "Hermes: ")
-
-(define (server-loop in out)
-  (define echo (read-line in))
-  (displayln echo)
-  (display ">>> ")
-
-  (define input (read))
-  (writeln (string-append "Admin: " input) out)
-  (flush-output out)
-  ; (sleep 10)
-  (server-loop in out))
-
diff --git a/feasibility_analysis/tcpvanilla/tcptalk.rkt b/feasibility_analysis/tcpvanilla/tcptalk.rkt
deleted file mode 100644
index d069851..0000000
--- a/feasibility_analysis/tcpvanilla/tcptalk.rkt
+++ /dev/null
@@ -1,30 +0,0 @@
-#lang racket
-
-(define listener (tcp-listen 8083 5 #t)) ;; listener to service connection requests
-;; client attempts to connect. Receives an input and output port
-(define-values (client-in client-out) (tcp-connect "localhost" 8083))
-;; server accepts the connection request. Also gets a pair of ports
-(define-values (server-in server-out) (tcp-accept listener))
-
-;; client sends identifying message
-(display (string-append "Client:My name is " "Ibrahim" "\n")
-         client-out)
-(flush-output client-out) ;; must flush as ports are buffered in racket
-
-;; server receives and reads it
-;; cooler if on separate racket instances
-(read-line server-in)  ;; --> "Client:My name is #hostname.
-;; server replies
-(display (string-append "Server:Hi " "Ibrahim" "\n") server-out)
-(flush-output server-out) ;; flush flush
-
-;; client displays server message
-(read-line client-in)
-(close-output-port server-out)
-(close-output-port client-out)
-(read-line client-in)  ;; --> eof object #eof
-(read-line server-in)  ;; --> eof object #eof
-(tcp-close listener)
-; (custodian-shutdown-all (current-custodian)) ;; release all resources including
-                                             ;; tcp, file, custom ports
-                                             ;; application exits