From 89170f7aab68f140accc5ffb6a822bd2f81ef153 Mon Sep 17 00:00:00 2001
From: Eduardo Almeida <enmsa@outlook.pt>
Date: Sun, 11 Jun 2023 00:01:05 +0100
Subject: [PATCH] click: Cache call to Simulator::Now()

---
 src/click/model/ipv4-click-routing.cc | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/click/model/ipv4-click-routing.cc b/src/click/model/ipv4-click-routing.cc
index 66654da8e..e23714e05 100644
--- a/src/click/model/ipv4-click-routing.cc
+++ b/src/click/model/ipv4-click-routing.cc
@@ -278,19 +278,21 @@ Ipv4ClickRouting::GetTimevalFromNow() const
     struct timeval curtime;
     uint64_t remainder = 0;
 
-    curtime.tv_sec = Simulator::Now().GetSeconds();
-    curtime.tv_usec = Simulator::Now().GetMicroSeconds() % 1000000;
+    Time now = Simulator::Now();
+
+    curtime.tv_sec = now.GetSeconds();
+    curtime.tv_usec = now.GetMicroSeconds() % 1000000;
 
     switch (Time::GetResolution())
     {
     case Time::NS:
-        remainder = Simulator::Now().GetNanoSeconds() % 1000;
+        remainder = now.GetNanoSeconds() % 1000;
         break;
     case Time::PS:
-        remainder = Simulator::Now().GetPicoSeconds() % 1000000;
+        remainder = now.GetPicoSeconds() % 1000000;
         break;
     case Time::FS:
-        remainder = Simulator::Now().GetFemtoSeconds() % 1000000000;
+        remainder = now.GetFemtoSeconds() % 1000000000;
         break;
     default:
         break;