add webserver start/stop cmd

lib/core/engine.js

@@ -182,6 +182,14 @@ class Engine {
       return cb({name: devServer, status: 'on'});
     });
 
+    self.events.setCommandHandler('start-webserver', function() {
+      server.start();
+    });
+
+    self.events.setCommandHandler('stop-webserver', function() {
+      server.stop();
+    });
+
     server.start(function () {
     });
   }

lib/dashboard/console.js

@@ -3,6 +3,7 @@ let RunCode = require('../core/runCode.js');
 
 class Console {
   constructor(options) {
+    this.events = options.events;
     this.plugins = options.plugins;
     this.version = options.version;
     this.contractsConfig = options.contractsConfig;
@@ -42,6 +43,12 @@ class Console {
       return text.join('\n');
     } else if (['quit', 'exit', 'sair', 'sortir'].indexOf(cmd) >= 0) {
       utils.exit();
+    } else if (cmd === 'webserver start') {
+      this.events.request("start-webserver");
+      return "starting webserver...";
+    } else if (cmd === 'webserver stop') {
+      this.events.request("stop-webserver");
+      return "stopping webserver...";
     }
     return false;
   }

lib/dashboard/dashboard.js

@@ -6,6 +6,7 @@ let Console = require('./console.js');
 class Dashboard {
   constructor(options) {
     this.logger = options.logger;
+    this.events = options.events;
     this.plugins = options.plugins;
     this.version = options.version;
     this.env = options.env;
@@ -18,7 +19,12 @@ class Dashboard {
 
     async.waterfall([
       function startConsole(callback) {
-        console = new Console({plugins: self.plugins, version: self.version, contractsConfig: self.contractsConfig});
+        console = new Console({
+          events: self.events,
+          plugins: self.plugins,
+          version: self.version,
+          contractsConfig: self.contractsConfig
+        });
         callback();
       },
       function startMonitor(callback) {

lib/index.js

@@ -71,6 +71,7 @@ class Embark {
         }
 
         let dashboard = new Dashboard({
+          events: engine.events,
           logger: engine.logger,
           plugins: engine.plugins,
           version: self.version,

lib/pipeline/server.js

@@ -1,6 +1,7 @@
 let finalhandler = require('finalhandler');
 let http = require('http');
 let serveStatic = require('serve-static');
+require('http-shutdown').extend();
 
 class Server {
   constructor(options) {
@@ -13,13 +14,23 @@ class Server {
   start(callback) {
     let serve = serveStatic(this.dist, {'index': ['index.html', 'index.htm']});
 
-    let server = http.createServer(function onRequest(req, res) {
+    this.server = http.createServer(function onRequest(req, res) {
       serve(req, res, finalhandler(req, res));
-    });
+    }).withShutdown();
 
     this.logger.info("webserver available at " + ("http://" + this.hostname + ":" + this.port).bold.underline.green);
-    server.listen(this.port, this.hostname);
-    callback();
+    this.server.listen(this.port, this.hostname);
+    if (callback) {
+      callback();
+    }
+  }
+
+  stop(callback) {
+    this.server.shutdown(function() {
+      if (callback) {
+        callback();
+      }
+    });
   }
 
 }

package.json

@@ -34,6 +34,7 @@
     "follow-redirects": "^1.2.4",
     "fs-extra": "^2.0.0",
     "globule": "^1.1.0",
+    "http-shutdown": "^1.2.0",
     "ipfs-api": "17.2.4",
     "merge": "^1.2.0",
     "mocha": "^2.2.5",