Respect the verbose verbose flag.

src/server.nim

@@ -1,8 +1,20 @@
-import net, json
+import net, json, strutils
 import commands
 
+type
+  ServerArgs* = object of RootObj
+    verbose: bool
+
 var 
   chan*: Channel[CommandMessage]
+  verbose: bool
+
+proc newServerArgs*(verbose: bool): ServerArgs =
+  ServerArgs(verbose: verbose)
+
+proc log(things: varargs[string, `$`]) =
+  if verbose:
+    echo things.join()
 
 proc closeServer*() =
   ## Sends a "Close" command to the server
@@ -12,36 +24,37 @@ proc closeServer*() =
   socket.send(c.wrap)
   socket.close()
 
-proc runServer*() = 
-  var server = newSocket()
+proc runServer*[ServerArgs](arg: ServerArgs) {.thread, nimcall.} =
+  verbose = arg.verbose
+  var server = net.newSocket()
   server.bindAddr(Port(defaultPort))
   server.listen()
-  echo "Control server is listening"
+  log "Control server is listening"
 
   while true:    
     # Process client requests
-    var client = newSocket()
+    var client = net.newSocket()
     server.accept(client)
-    echo("Client connected")
+    log "Client connected"
     try:
       var line = client.recvLine()
       if line == "":
-        echo "No data from client"
+        log "No data from client"
         continue
       
       var jsonData = parseJson(line)
       let msg = jsonData.to(CommandMessage)
       case msg.command
       of cClose:
-        echo "Server recieved termination command. Exiting."
+        log "Server recieved termination command. Exiting."
         break
       else:
         # Pass command from client to main applicaiton
         chan.send(msg)
 
     except OSError:
-      echo "Server error: ", getCurrentExceptionMsg()
+      log "Server error: ", getCurrentExceptionMsg()
     except:
-      echo "Invalid command from client: ", getCurrentExceptionMsg()
-      echo repr(getCurrentException())
+      log "Invalid command from client: ", getCurrentExceptionMsg()
+      log repr(getCurrentException())
   server.close()