From ec2dd87693007ea0fccfec32088214e631e5a3c8 Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zkam83@gmail.com>
Date: Thu, 10 Jul 2014 01:08:54 +0300
Subject: [PATCH] Set timeout value for TCP connetion based on CWMP session
 timeout. Handle expired sessions gracefully.

---
 lib/cwmp.coffee | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/cwmp.coffee b/lib/cwmp.coffee
index 2bbd145..328e9f4 100644
--- a/lib/cwmp.coffee
+++ b/lib/cwmp.coffee
@@ -388,12 +388,17 @@ listener = (httpRequest, httpResponse) ->
     getSession(httpRequest, (sessionId, session) ->
       cwmpRequest = soap.request(httpRequest, session?.cwmpVersion)
       if not session?
+        if cwmpRequest.methodRequest?.type isnt 'Inform'
+          httpResponse.writeHead(400)
+          httpResponse.end('Session is expired')
+          return
         session = {
           deviceId : common.getDeviceId(cwmpRequest.methodRequest.deviceId),
           cwmpVersion : cwmpRequest.cwmpVersion,
           sessionTimeout : cwmpRequest.sessionTimeout ? config.SESSION_TIMEOUT
         }
         sessionId = crypto.randomBytes(8).toString('hex')
+        httpRequest.connection.setTimeout(session.sessionTimeout * 1000)
 
       currentRequest = {
         httpRequest : httpRequest,