From 8134f27debff30430ca4fa0a5fb378c9d02b5be8 Mon Sep 17 00:00:00 2001
From: MaxZahidov <39858242+MaxZahidov@users.noreply.github.com>
Date: Sun, 15 Jan 2023 17:28:26 +0500
Subject: [PATCH] Update transceiver.go

Changed case eLCheckTimer in startEnquireLink function for EnquireLink stability.
---
 transceiver.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/transceiver.go b/transceiver.go
index dc0f5b5..c42797d 100644
--- a/transceiver.go
+++ b/transceiver.go
@@ -195,9 +195,13 @@ func (t *Transceiver) startEnquireLink(eli int) {
 
 			t.eLCheckTimer.Reset(d)
 		case <-t.eLCheckTimer.C:
-			t.Err = SmppELRespErr
-			t.Close()
-			return
+			p, _ := t.EnquireLink()
+			if err := t.Write(p); err != nil {
+				t.Err = SmppELRespErr
+				t.Close()
+				return
+			}
+			t.eLCheckTimer.Reset(d)
 		}
 	}
 }