From 0770f0080f095a2de46705e72ab9e03ce75d0344 Mon Sep 17 00:00:00 2001
From: q131172019 <47511691+q131172019@users.noreply.github.com>
Date: Wed, 10 Aug 2022 16:54:07 -0700
Subject: [PATCH] [BugFix] #104 - simulator: panic: invalid argument to Intn
 (#126)

* Fix bug #104

* Minor changes based on feedback
---
 .../test/resourceRegionMgrSimulator/main.go        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/resource-management/test/resourceRegionMgrSimulator/main.go b/resource-management/test/resourceRegionMgrSimulator/main.go
index b77f2295..1fbf7b42 100644
--- a/resource-management/test/resourceRegionMgrSimulator/main.go
+++ b/resource-management/test/resourceRegionMgrSimulator/main.go
@@ -46,6 +46,20 @@ func main() {
 		flag.Parse()
 	}
 
+	// Input parameter error handling for c.RpNum and c.NodesPerRP
+	// Fix bug #104
+	klog.Info("")
+	if c.RpNum < 1 {
+		klog.Errorf("Error: Region resource manager simulator config / rp number per region:  (%v) is less than 1", c.RpNum)
+		os.Exit(1)
+	}
+
+	if c.NodesPerRP < 1 {
+		klog.Errorf("Error: Region resource manager simulator config / node number per rp:  (%v) is less than 1", c.NodesPerRP)
+		os.Exit(1)
+	}
+	klog.Info("")
+
 	// Keep a more frequent flush frequency as 1 second
 	klog.StartFlushDaemon(time.Second * 1)