pcap-flush.patch

diff --git a/src/network/utils/pcap-file-wrapper.cc b/src/network/utils/pcap-file-wrapper.cc
--- a/src/network/utils/pcap-file-wrapper.cc
+++ b/src/network/utils/pcap-file-wrapper.cc
@@ -55,6 +55,18 @@
   Close ();
 }
 
+void 
+PcapFileWrapper::DoDispose (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  Close ();
+}
+void
+PcapFileWrapper::NotifyNewAggregate ()
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  Object::NotifyNewAggregate ();
+}
 
 bool 
 PcapFileWrapper::Fail (void) const
diff --git a/src/network/utils/pcap-file-wrapper.h b/src/network/utils/pcap-file-wrapper.h
--- a/src/network/utils/pcap-file-wrapper.h
+++ b/src/network/utils/pcap-file-wrapper.h
@@ -44,6 +44,8 @@
   PcapFileWrapper ();
   ~PcapFileWrapper ();
 
+  void DoDispose (void);
+  void NotifyNewAggregate ();
 
   /**
    * \return true if the 'fail' bit is set in the underlying iostream, false otherwise.
diff --git a/src/point-to-point/helper/point-to-point-helper.cc b/src/point-to-point/helper/point-to-point-helper.cc
--- a/src/point-to-point/helper/point-to-point-helper.cc
+++ b/src/point-to-point/helper/point-to-point-helper.cc
@@ -103,6 +103,13 @@
   Ptr<PcapFileWrapper> file = pcapHelper.CreateFile (filename, std::ios::out, 
                                                      PcapHelper::DLT_PPP);
   pcapHelper.HookDefaultSink<PointToPointNetDevice> (device, "PromiscSniffer", file);
+
+  Ptr<Node> node = device->GetNode ();
+  if (!node->GetObject <PcapFileWrapper>())
+    {
+      node->AggregateObject (file);
+    }
+
 }
 
 void