network: Packet socket client does not schedule Send() for bursts of packets

src/network/utils/packet-socket-client.cc

@@ -183,7 +183,17 @@ PacketSocketClient::Send()
 
     if ((m_sent < m_maxPackets) || (m_maxPackets == 0))
     {
-        m_sendEvent = Simulator::Schedule(m_interval, &PacketSocketClient::Send, this);
+        if (m_interval.IsZero())
+        {
+            NS_ABORT_MSG_IF(
+                m_maxPackets == 0,
+                "Generating infinite packets at the same time does not seem to be a good idea");
+            Send();
+        }
+        else
+        {
+            m_sendEvent = Simulator::Schedule(m_interval, &PacketSocketClient::Send, this);
+        }
     }
 }
 

src/network/utils/packet-socket-client.h

@@ -91,6 +91,11 @@ class PacketSocketClient : public Application
 
     /**
      * \brief Send a packet
+     *
+     * Either <i>Interval</i> and <i>MaxPackets</i> may be zero, but not both.  If <i>Interval</i>
+     * is zero, the PacketSocketClient will send <i>MaxPackets</i> packets without any delay into
+     * the socket.  If <i>MaxPackets</i> is zero, then the PacketSocketClient will send every
+     * <i>Interval</i> until the application is stopped.
      */
     void Send();