From 86d2b8c1cfedac0156cef7eeae050872d1780673 Mon Sep 17 00:00:00 2001
From: Ruakij <ruakij@ruekov.eu>
Date: Mon, 29 Nov 2021 15:34:19 +0100
Subject: [PATCH] Added event for SIGTERM and SIGINT

---
 src/main.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/main.js b/src/main.js
index 2a0a0a6..5710070 100644
--- a/src/main.js
+++ b/src/main.js
@@ -117,5 +117,14 @@ if(errorMsg){
     exit(0);
   });
 
+  // Handle stop-signals for graceful shutdown
+  function shutdownReq() {
+    logger.info("Shutdown request received..");
+    logger.debug("Stopping subprocess tcpdump, then exiting myself..");
+    proc.kill();    // Kill process (send SIGTERM), then upper event-handler will stop self
+  }
+  process.on('SIGTERM', shutdownReq);
+  process.on('SIGINT', shutdownReq);
+
   logger.info("Startup complete");
 })();