From e8d55de7e2b5e5841b6a2a74afb043bf53161222 Mon Sep 17 00:00:00 2001
From: Francis Dupont <fdupont@isc.org>
Date: Mon, 10 Dec 2018 18:40:23 +0100
Subject: [PATCH] [283-perfdhcp-fix-send-due] Revamped short waits

---
 src/bin/perfdhcp/test_control.cc | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/bin/perfdhcp/test_control.cc b/src/bin/perfdhcp/test_control.cc
index b92aee93b5..f27fc27090 100644
--- a/src/bin/perfdhcp/test_control.cc
+++ b/src/bin/perfdhcp/test_control.cc
@@ -1535,7 +1535,9 @@ TestControl::run() {
         // Calculate number of packets to be sent to stay
         // catch up with rate.
         uint64_t packets_due = basic_rate_control_.getOutboundMessageCount();
-        checkLateMessages(basic_rate_control_);
+        if (packets_due > 0) {
+            checkLateMessages(basic_rate_control_);
+        }
         if ((packets_due == 0) && testDiags('i')) {
             if (options.getIpVersion() == 4) {
                 stats_mgr4_->incrementCounter("shortwait");
@@ -1555,7 +1557,7 @@ TestControl::run() {
             break;
         }
 
-        if (!hasLateExitCommenced()) {
+        if ((packets_due > 0) && !hasLateExitCommenced()) {
             // Initiate new DHCP packet exchanges.
             sendPackets(socket, packets_due);
         }
@@ -1565,7 +1567,9 @@ TestControl::run() {
         if (options.getRenewRate() != 0) {
             uint64_t renew_packets_due =
                 renew_rate_control_.getOutboundMessageCount();
-            checkLateMessages(renew_rate_control_);
+            if (renew_packets_due > 0) {
+                checkLateMessages(renew_rate_control_);
+            }
 
             // Send multiple renews to satisfy the desired rate.
             if (options.getIpVersion() == 4) {
@@ -1580,7 +1584,9 @@ TestControl::run() {
         if ((options.getIpVersion() == 6) && (options.getReleaseRate() != 0)) {
             uint64_t release_packets_due =
                 release_rate_control_.getOutboundMessageCount();
-            checkLateMessages(release_rate_control_);
+            if (release_packets_due > 0) {
+                checkLateMessages(release_rate_control_);
+            }
             // Send Release messages.
             sendMultipleMessages6(socket, DHCPV6_RELEASE, release_packets_due);
         }
-- 
2.47.3