Add server example

server/server-example.lisp

@@ -0,0 +1,34 @@
+(ql:quickload "usocket")
+(ql:quickload "babel")
+
+
+(defparameter buf  (make-array 10
+                               :element-type '(unsigned-byte 8)
+                               :adjustable nil
+                               :fill-pointer nil
+                               :displaced-to nil
+                               :initial-element 0))
+                                        ;(defparameter s (usocket:socket-listen "localhost" 8080))
+
+(defparameter su (usocket:socket-connect nil nil :protocol :datagram :local-host "localhost" :local-port 8080))
+
+;; (defun display-buf (buf)
+;;   (let* ((message (flexi-streams:octets-to-string buf :external-format :utf-8 :end 10))
+;;          (trimmed-message (trim message)))
+;;     (format t "~a" trimmed-message)))
+
+
+
+(defun process (sock)
+  (multiple-value-bind (recv size remote-host remote-port)
+                       (usocket:socket-receive su buf 10)
+                       (format t "~a" (babel:octets-to-string buf :encoding :utf-8))
+                       (usocket:socket-send sock buf 10 :host remote-host :port remote-port)))
+
+
+
+
+(defun again ()
+  (loop
+   (loop for sock in (usocket:wait-for-input `(,su) :ready-only t)
+         do (process sock))))