PacketGateBase: Fixed #1003 issue, fixed IPacketCollection interface …

…implementation when the gate is closed.

src/inet/queueing/base/PacketGateBase.cc

@@ -73,6 +73,39 @@ void PacketGateBase::close()
     updateDisplayString();
 }
 
+int PacketGateBase::getNumPackets() const
+{
+    return isOpen() ? PacketFlowBase::getNumPackets() : 0;
+}
+
+b PacketGateBase::getTotalLength() const
+{
+    return isOpen() ? PacketFlowBase::getTotalLength() : b(0);
+}
+
+Packet *PacketGateBase::getPacket(int index) const
+{
+    ASSERT(isOpen());
+    return PacketFlowBase::getPacket(index);
+}
+
+bool PacketGateBase::isEmpty() const
+{
+    return isOpen() ? PacketFlowBase::isEmpty() : true;
+}
+
+void PacketGateBase::removePacket(Packet *packet)
+{
+    ASSERT(isOpen());
+    PacketFlowBase::removePacket(packet);
+}
+
+void PacketGateBase::removeAllPackets()
+{
+    if (isOpen())
+        PacketFlowBase::removeAllPackets();
+}
+
 void PacketGateBase::processPacket(Packet *packet)
 {
     if (!isOpen_)

src/inet/queueing/base/PacketGateBase.h

@@ -48,6 +48,13 @@ class INET_API PacketGateBase : public PacketFlowBase, public TransparentProtoco
     virtual void open() override;
     virtual void close() override;
 
+    virtual int getNumPackets() const override;
+    virtual b getTotalLength() const override;
+    virtual Packet* getPacket(int index) const override;
+    virtual bool isEmpty() const override;
+    virtual void removePacket(Packet *packet) override;
+    virtual void removeAllPackets() override;
+
     virtual IPassivePacketSink *getConsumer(const cGate *gate) override { return this; }
     virtual IPassivePacketSource *getProvider(const cGate *gate) override { return this; }