http: agent takes options instead of host, port pair

lib/http.js

@@ -959,10 +959,10 @@ function connectionListener(socket) {
 exports._connectionListener = connectionListener;
 
 
-
-function Agent(host, port) {
-  this.host = host;
-  this.port = port;
+function Agent(options) {
+  this.options = options;
+  this.host = options.host;
+  this.port = options.port;
 
   this.queue = [];
   this.sockets = [];
@@ -1228,7 +1228,7 @@ function getAgent(host, port) {
   var agent = agents[id];
 
   if (!agent) {
-    agent = agents[id] = new Agent(host, port);
+    agent = agents[id] = new Agent({ host: host, port: port });
   }
 
   return agent;
@@ -1248,7 +1248,7 @@ exports.request = function(options, cb) {
   if (options.agent === undefined) {
     options.agent = getAgent(options.host, options.port);
   } else if (options.agent === false) {
-    options.agent = new Agent(options.host, options.port);
+    options.agent = new Agent(options);
   }
   return exports._requestFromAgent(options, cb);
 };

lib/https.js

@@ -26,9 +26,7 @@ exports.createServer = function(opts, requestListener) {
 var agents = {};
 
 function Agent(options) {
-  http.Agent.call(this, options.host, options.port);
-
-  this.options = options;
+  http.Agent.call(this, options);
 }
 inherits(Agent, http.Agent);