Data commit

Task/Echo-server/Julia/echo-server.julia

@@ -0,0 +1,23 @@
+using Sockets # for version 1.0
+println("Echo server on port 12321")
+try
+    server = listen(12321)
+    instance = 0
+    while true
+        sock = accept(server)
+        instance += 1
+        socklabel = "$(getsockname(sock)) number $instance"
+        @async begin
+            println("Server connected to socket $socklabel")
+            write(sock, "Connected to echo server.\r\n")
+            while isopen(sock)
+                str = readline(sock)
+                write(sock,"$str\r\n")
+                println("Echoed $str to socket $socklabel")
+            end
+            println("Closed socket $socklabel")
+        end
+    end
+catch y
+    println("Caught exception: $y")
+end