From 6fd7499ccaafdf244a74306972562b2091cb91b1 Mon Sep 17 00:00:00 2001
From: fisabelle <fisabelle@broadsoft.com>
Date: Thu, 9 Jul 2020 15:49:35 -0400
Subject: [PATCH] Issue#147: Net-SNMP not responding when proxy requests times
 out

---
 agent/mibgroup/ucd-snmp/proxy.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/agent/mibgroup/ucd-snmp/proxy.c b/agent/mibgroup/ucd-snmp/proxy.c
index 24ae9322bd..e0ee96b29a 100644
--- a/agent/mibgroup/ucd-snmp/proxy.c
+++ b/agent/mibgroup/ucd-snmp/proxy.c
@@ -572,6 +572,17 @@ proxy_got_response(int operation, netsnmp_session * sess, int reqid,
     }
 
     switch (operation) {
+    case NETSNMP_CALLBACK_OP_RESEND:
+         /*
+         * Issue#147: Net-SNMP not responding when proxy requests times out
+         *
+         * When snmp_api issue a resend, the default case was hit and the 
+         * delagated cache was freed.
+         * As a result, the NETSNMP_CALLBACK_OP_TIMED_OUT never came in.
+         */
+        DEBUGMSGTL(("proxy", "pdu has been resent for request = %8p\n", requests));
+        return SNMP_ERR_NOERROR;
+
     case NETSNMP_CALLBACK_OP_TIMED_OUT:
         /*
          * WWWXXX: don't leave requests delayed if operation is