Update

- Retry database connection init
- Outsourced help cmds
- Added node >= 6.x and npm >= 3.x requirement

.help

@@ -0,0 +1,6 @@
+clients                      : how many players are connected
+exit                         : exit the server
+kick [PlayerUsername]        : kick player by username
+kickall                      : kick all players
+clear                        : clear the server console
+save                         : save all palyers into database

package.json

@@ -1,6 +1,6 @@
 {
   "name": "POGOServer",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "",
   "repository": {
     "type": "git",
@@ -11,6 +11,10 @@
     "babel-node": "babel-node --presets=es2015",
     "start": "nodemon --exec npm run babel-node -- ./src/index.js"
   },
+  "engines": {
+    "node": ">= 6.x",
+    "npm": ">= 3.x"
+  },
   "author": "Felix Maier",
   "license": "MIT",
   "dependencies": {

src/db/mongo.js

@@ -10,6 +10,7 @@ export function setupConnection() {
     mongodb.MongoClient.connect(url, (error, db) => {
       if (error) {
         this.print(error, 31);
+        this.retry("Retrying again in ", () => this.setupConnection().then(resolve), 5);
       } else {
         this.db.instance = db;
         this.loadCollection(CFG.SERVER_MONGO_COLLECTION_USERS).then(() => {

src/db/mysql.js

@@ -27,6 +27,15 @@ export function setupConnection() {
 
 }
 
+/**
+ * @param {Function} resolve
+ */
+export function closeConnection(resolve) {
+  this.db.instance.end(() => {
+    resolve();
+  });
+}
+
 export function createTableIfNoExists() {
   return new Promise((resolve) => {
     this.db.instance.query(`SHOW TABLES LIKE '${CFG.SERVER_MYSQL_TABLE}';`, (e, rows, fields) => {
@@ -79,15 +88,6 @@ export function createTable(name) {
   });
 }
 
-/**
- * @param {Function} resolve
- */
-export function closeConnection(resolve) {
-  this.db.instance.end(() => {
-    resolve();
-  });
-}
-
 /**
  * @param {String} email
  */

src/index.js

@@ -175,10 +175,27 @@ class GameServer {
   /**
    * @param {String} msg
    * @param {Number} color
+   * @param {Boolean} nl
    */
-  print(msg, color) {
+  print(msg, color, nl) {
     color = Number.isInteger(color) ? color : CFG.SERVER_DEFAULT_CONSOLE_COLOR;
-    console.log(`[Console] \x1b[${color};1m${msg}\x1b[0m`);
+    process.stdout.write(`[Console] \x1b[${color};1m${msg}\x1b[0m${nl === void 0 ? "\n" : ""}`);
+  }
+
+  /**
+   * @param {String} msg
+   * @param {Function} func
+   * @param {Number} timer
+   */
+  retry(msg, func, timer) {
+    process.stdout.clearLine();
+    process.stdout.cursorTo(0);
+    this.print(`${msg}${timer}s`, 33, true);
+    if (timer >= 1) setTimeout(() => this.retry(msg, func, --timer), 1e3);
+    else {
+      process.stdout.write("\n");
+      func();
+    }
   }
 
   greet() {

src/process.js

@@ -1,5 +1,9 @@
+import fs from "fs";
+
 import * as CFG from "../cfg";
 
+const helpMessage = fs.readFileSync(".help", "utf8");
+
 export function processCommand(cmd, data) {
   switch (cmd) {
     // How many active connections there are
@@ -25,7 +29,9 @@ export function processCommand(cmd, data) {
       this.greet();
     break;
     case "/help":
-      this.printHelp();
+      console.log("\x1b[36;1m==================================== HELP =====================================\x1b[0m");
+      console.log(`\x1b[${CFG.SERVER_DEFAULT_CONSOLE_COLOR};1m${helpMessage}\x1b[0m`);
+      console.log("\x1b[36;1m===============================================================================\x1b[0m");
     break;
     case "/save":
       this.saveAllPlayers();
@@ -38,19 +44,6 @@ export function processCommand(cmd, data) {
   };
 };
 
-export function printHelp() {
-
-  console.log("\x1b[36;1m===================================== HELP =====================================\x1b[0m");
-  this.print("clients                      : how many players are connected");
-  this.print("exit                         : exit the server");
-  this.print("kick [PlayerUsername]        : kick player by username");
-  this.print("kickall                      : kick all players");
-  this.print("clear                        : clear the server console");
-  this.print("save                         : save all palyers into database");
-  console.log("\n\x1b[36;1m================================================================================\x1b[0m");
-
-};
-
 export function stdinInput(data) {
   data = data.toString().substring(0, data.length - 2);
   if (data.length < 1) return void 0;