From fbe2aa2c06275dc31a6d6fd7fdce0d9314b7c225 Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Mon, 13 Dec 2021 17:59:23 -0500
Subject: [PATCH] add SIGUSR2 handler to remove fs from redis set

---
 app.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app.js b/app.js
index a259ac82..a58d6003 100644
--- a/app.js
+++ b/app.js
@@ -105,4 +105,14 @@ const disconnect = () => {
   });
 };
 
+process.on('SIGUSR2', handle);
+
+function handle(signal) {
+  const {removeFromSet} = srf.locals.dbHelpers;
+  const setName = `${(process.env.JAMBONES_CLUSTER_ID || 'default')}:active-fs`;
+  logger.info(`got signal ${signal}, removing ${srf.locals.localSipAddress} from set ${setName}`);
+  removeFromSet(setName, srf.locals.localSipAddress);
+  srf.locals.disabled = true;
+}
+
 module.exports = {srf, logger, disconnect};