From f8f81bd214461a785ac882e5ec37af874920e08c Mon Sep 17 00:00:00 2001
From: Ian Patton <ian@bitpay.com>
Date: Fri, 16 May 2014 11:45:30 -0400
Subject: [PATCH 1/2] prevent crash when socket does not exist

---
 lib/receiver.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/receiver.js b/lib/receiver.js
index c5363ab..9ce5581 100644
--- a/lib/receiver.js
+++ b/lib/receiver.js
@@ -30,7 +30,7 @@ Receiver.prototype.addSocket = function (socket) {
 };
 
 Receiver.prototype.send = function (data) {
-	if (data.cmd === 'init') {
+	if (data.cmd === 'init' && this.sockets[data.args.socket]) {
 		this.sockets[data.args.socket].emit('commands', [ data ]);
 		return;
 	}
@@ -41,4 +41,4 @@ Receiver.prototype.send = function (data) {
 	}
 };
 
-module.exports = Receiver;
\ No newline at end of file
+module.exports = Receiver;

From f5a8f4b8f3186ede267f95c983d7b07559bb696b Mon Sep 17 00:00:00 2001
From: Ian Patton <ian@bitpay.com>
Date: Fri, 16 May 2014 13:00:37 -0400
Subject: [PATCH 2/2] Make observer die with parent process

---
 lib/look.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/look.js b/lib/look.js
index bce0bc4..edda9e3 100644
--- a/lib/look.js
+++ b/lib/look.js
@@ -13,7 +13,7 @@ agentio.createClient = function () {
 
 module.exports.start = function (port, host) {
 	if (cluster.isMaster) {
-		var observer = child_process.fork(__dirname + '/observer', [ port, host ]);
+		var observer = child_process.spawn('node', [__dirname + '/observer', port, host ], {stdio: ['ipc', process.stdout, process.stderr], detached: false});
 
 		observer.on('message', function (data) {
 			if (data.cmd === 'init') {
@@ -23,6 +23,7 @@ module.exports.start = function (port, host) {
 			agent.request(data);
 			clusterhub.emit('request', data);
 		});
+		observer.unref();
 
 		agent.on('request', function (data) {
 			observer.send(data);
@@ -56,4 +57,4 @@ module.exports.start = function (port, host) {
 	});
 
 	nodetime.profile({ server: 'localhost', accountKey: 'session', silent: true, transactions: false });
-};
\ No newline at end of file
+};