From: Martin Quinson <martin.quinson@ens-rennes.fr>
Date: Tue, 27 Oct 2020 22:41:57 +0000 (+0100)
Subject: ns3 does not accept 0 as a port_number so don't let it nicely overleap
X-Git-Tag: v3.26~226
X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/49ab63fbb4d7c715d155e16a41e01d3de44f2380

ns3 does not accept 0 as a port_number so don't let it nicely overleap
---

diff --git a/src/surf/network_ns3.cpp b/src/surf/network_ns3.cpp
index f5d5b8316d..208bedb8a0 100644
--- a/src/surf/network_ns3.cpp
+++ b/src/surf/network_ns3.cpp
@@ -507,8 +507,10 @@ NetworkNS3Action::NetworkNS3Action(Model* model, double totalBytes, s4u::Host* s
   ns3::Simulator::ScheduleNow(&start_flow, sock, addr.c_str(), port_number);
 
   port_number++;
-  if (port_number == UINT16_MAX)
+  if (port_number == UINT16_MAX) {
+    port_number = 1;
     XBT_WARN("Too many connections! Port number is saturated. Trying to use the oldest ports.");
+  }
 
   s4u::Link::on_communicate(*this);
 }