[pr] minimize log message string allocations

lib/helpers.js

@@ -5,7 +5,7 @@ const path = require('path');
 const fs = require('fs-extra');
 const ip = require('ip');
 
-let logLevel = consts.LOG_TEST;
+let logLevel = consts.LOG_INFO;
 
 reverseByte = (b) => ((b & 0x0F) << 4) | ((b >> 4) & 0x0F);
 
@@ -143,8 +143,8 @@ exports.readDir = readDir;
  * @param {String} msg
  */
 exports.log = exports.defaultLogger = (lvl, msg) => {
-    if (lvl <= logLevel)
-        console.log(`${msg}`);
+    if(lvl > logLevel) return;
+    console.log(msg);
 };
 
 /**

lib/server/server.js

@@ -82,7 +82,7 @@ class CacheServer {
         this.errCallback = errCallback;
 
         this._server = net.createServer(socket => {
-            helpers.log(consts.LOG_TEST, `${socket.remoteAddress}:${socket.remotePort} connected.`);
+            helpers.log(consts.LOG_INFO, `${socket.remoteAddress}:${socket.remotePort} connected.`);
 
             const cmdProc = new CommandProcessor(this.cache);
             const streamProc = new ClientStreamProcessor({clientAddress: `${socket.remoteAddress}:${socket.remotePort}`});
@@ -95,7 +95,7 @@ class CacheServer {
             }
 
             socket.on('close', () => {
-                    helpers.log(consts.LOG_TEST, `${socket.remoteAddress}:${socket.remotePort} closed connection.`);
+                    helpers.log(consts.LOG_INFO, `${socket.remoteAddress}:${socket.remotePort} closed connection.`);
                     socket.unpipe(streamProc);
                     streamProc.unpipe(cmdProc);
                     cmdProc.unpipe(socket);

test/test_init.js

@@ -1,8 +1,11 @@
 const helpers = require('../lib/helpers');
+const consts = require('../lib/constants');
+
 require('cluster').setMaxListeners(25);
 
 process.on('unhandledRejection', (reason) => {
     console.error(reason);
 });
 
-helpers.setLogger(() => {});
+helpers.setLogger(() => {});
+helpers.setLogLevel(consts.LOG_DBG);