From a74b599b895b88679d879a4e188b801dbcc593cc Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@unina.it>
Date: Fri, 27 Dec 2019 09:54:23 +0100
Subject: [PATCH] wifi: Improve logging for channel access manager

---
 src/wifi/model/channel-access-manager.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/wifi/model/channel-access-manager.cc b/src/wifi/model/channel-access-manager.cc
index 3517373fc..ab75a4a36 100644
--- a/src/wifi/model/channel-access-manager.cc
+++ b/src/wifi/model/channel-access-manager.cc
@@ -445,6 +445,7 @@ ChannelAccessManager::GetBackoffStartFor (Ptr<Txop> state)
   NS_LOG_FUNCTION (this << state);
   Time mostRecentEvent = MostRecent ({state->GetBackoffStart (),
                                      GetAccessGrantStart () + (state->GetAifsn () * m_slot)});
+  NS_LOG_DEBUG ("Backoff start: " << mostRecentEvent.As (Time::US));
 
   return mostRecentEvent;
 }
@@ -453,9 +454,10 @@ Time
 ChannelAccessManager::GetBackoffEndFor (Ptr<Txop> state)
 {
   NS_LOG_FUNCTION (this << state);
-  NS_LOG_DEBUG ("Backoff start: " << GetBackoffStartFor (state).As (Time::US) <<
-                " end: " << (GetBackoffStartFor (state) + state->GetBackoffSlots () * m_slot).As (Time::US));
-  return GetBackoffStartFor (state) + (state->GetBackoffSlots () * m_slot);
+  Time backoffEnd = GetBackoffStartFor (state) + (state->GetBackoffSlots () * m_slot);
+  NS_LOG_DEBUG ("Backoff end: " << backoffEnd.As (Time::US));
+
+  return backoffEnd;
 }
 
 void