closes hapijs#1346, set maxSockets on proxy requests without trashing…

… the global value

lib/proxy.js

@@ -68,8 +68,15 @@ exports.handler = function (route, options) {
                 options.headers['Content-Type'] = contentType;
             }
 
-            // Send request
+            if (request.server.httpAgent) {
+                options.httpAgent  = request.server.httpAgent;
+            }
 
+            if (request.server.httpsAgent) {
+                options.httpsAgent = request.server.httpsAgent;
+            }
+
+            // Send request
             Nipple.request(request.method, uri, options, function (err, res) {
 
                 if (err) {

lib/server.js

@@ -188,9 +188,10 @@ module.exports = internals.Server = function (/* host, port, options */) {
         this.listener = Http.createServer(this._dispatch());
     }
 
-    if (this.settings.maxSockets !== null) {
-        Https.globalAgent.maxSockets = this.settings.maxSockets;
-        Http.globalAgent.maxSockets = this.settings.maxSockets;
+    if (this.settings.maxSockets !== Infinity) {
+        var params      = { maxSockets: this.settings.maxSockets };
+        this.httpAgent  = new Http.Agent(params);
+        this.httpsAgent = new Https.Agent(params);
     }
 
     // Server information

package.json

@@ -23,7 +23,7 @@
     "joi": "^2.4.x",
     "catbox": "1.x.x",
     "shot": "1.x.x",
-    "nipple": "2.x.x",
+    "nipple": "2.3.x",
     "cryptiles": "2.x.x",
     "iron": "2.x.x",
     "async": "0.2.x",

test/unit/server.js

@@ -2,6 +2,7 @@
 
 var Fs = require('fs');
 var Lab = require('lab');
+var Http = require('http');
 var Https = require('https');
 var Hapi = require('../..');
 var Path = require('path');
@@ -178,6 +179,21 @@ describe('Server', function () {
         });
     });
 
+    it('uses a custom http/https agent to provide maxSockets for proxy requests', function (done) {
+        var globalHttpSockets = Http.globalAgent.maxSockets;
+        var globalHttpsSockets = Https.globalAgent.maxSockets;
+
+        var mySockets = 23;
+        var server = new Hapi.Server({ maxSockets: mySockets });
+        expect(mySockets).to.equal(server.httpAgent.maxSockets);
+        expect(mySockets).to.equal(server.httpsAgent.maxSockets);
+
+        expect(globalHttpSockets).to.equal(Http.globalAgent.maxSockets);
+        expect(globalHttpsSockets).to.equal(Https.globalAgent.maxSockets);
+
+        done();
+    })
+
     it('creates a server listening on a windows named pipe', function (done) {
 
         var host = '\\\\.\\pipe\\6653e55f-26ec-4268-a4f2-882f4089315c';