cache http agents (pxscene#1682)

npoltorapavlo · Michael Fiess · commit d0efbbbf0edd · 2019-01-14T14:23:54.000-05:00
diff --git a/examples/pxScene2d/src/rcvrcore/http_wrap.js b/examples/pxScene2d/src/rcvrcore/http_wrap.js
@@ -111,10 +111,11 @@ function Request(moduleName, appSceneContext, options, callback) {
     // convert a dummy Agent into a real one
     if (options.agent instanceof Agent) {
       var agentObj = options.agent;
-      var newAgent = isV8 ? null : new module.Agent(agentObj.options);
-      options.agent = newAgent;
+      var newAgent = isV8 ? null : (AgentCache[agentObj.uid] || new module.Agent(agentObj.options));
+      options.agent = AgentCache[agentObj.uid] = newAgent;
       agentObj.once('destroy', function () {
         if (newAgent) {
+          log.message(4, 'destroying the agent');
           newAgent.destroy.apply(newAgent, arguments);
         }
       });
@@ -305,8 +306,11 @@ Response.prototype.blocked = false;
 function Agent(options) {
   EventEmitter.call(this);
 
+  this.setMaxListeners(Infinity);
+
   log.message(4, "creating a new agent");
   this.options = options;
+  this.uid = Math.floor(100000 + Math.random() * 900000);
 
   var self = this;
   this.destroy = function () {
@@ -318,6 +322,8 @@ function Agent(options) {
 Agent.prototype = Object.create(EventEmitter.prototype);
 Agent.prototype.constructor = Agent;
 
+var AgentCache = {};
+
 function Utils() {
 }
 
