From ad107b30ae7c2d84bc5cebdcd6a71e9398a79177 Mon Sep 17 00:00:00 2001
From: Pagan Gazzard <pjgazzard@googlemail.com>
Date: Fri, 15 Aug 2014 19:28:04 +0100
Subject: [PATCH] Enable destroying a tty.js tunnel.

---
 src/api.coffee | 11 +++++++++++
 src/tty.coffee | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/api.coffee b/src/api.coffee
index 2bc0ad68..96e1e797 100644
--- a/src/api.coffee
+++ b/src/api.coffee
@@ -38,4 +38,15 @@ api.post '/v1/spawn-tty', (req, res) ->
 	.catch (err) ->
 		res.send(404, err)
 
+api.post '/v1/despawn-tty', (req, res) ->
+	appId = req.body.appId
+	utils.mixpanelTrack('Despawn tty', appId)
+	if !appId?
+		res.send(400, 'Missing app id')
+	tty.stop(appId)
+	.then ->
+		res.send(200)
+	.catch (err) ->
+		res.send(404, err)
+
 module.exports = api
diff --git a/src/tty.coffee b/src/tty.coffee
index 319cbf3a..c17f6838 100644
--- a/src/tty.coffee
+++ b/src/tty.coffee
@@ -23,3 +23,14 @@ exports.start = (appId) ->
 			.listenAsync(port, null)
 			.then ->
 				ngrok.connectAsync(port)
+
+DISCONNECTED = 'Disconnected'
+disconnectedErr = (err) -> return err.message is DISCONNECTED
+exports.stop = (appId) ->
+	if !apps[appId]?
+		return Promise.resolve()
+	apps[appId] = apps[appId].then (url) ->
+		ngrok.disconnectAsync(url)
+		.then ->
+			throw new Error(DISCONNECTED)
+	return apps[appId].catch disconnectedErr, -> # All good!