180   // private copy constructor as sugested in:

   180   // private copy constructor as sugested in:

   181   // http://www.nsnam.org/wiki/NS-3_Python_Bindings#.22invalid_use_of_incomplete_type.22

   181   // http://www.nsnam.org/wiki/NS-3_Python_Bindings#.22invalid_use_of_incomplete_type.22

   182   FdNetDevice (FdNetDevice const &);

   182   FdNetDevice (FdNetDevice const &);

   183 

   183 

   184   /**

   184   /**

   187    * Spin up the device

   185    * Spin up the device

   188    */

   186    */

   189   void StartDevice (void);

   187   void StartDevice (void);

   190 

   188 

   191   /**

   189   /**

   194    * Tear down the device

   190    * Tear down the device

   195    */

   191    */

   196   void StopDevice (void);

   192   void StopDevice (void);

   197 

   193 

   198   /**

   194   /**

   201    * Callback to invoke when a new frame is received

   195    * Callback to invoke when a new frame is received

   202    */

   196    */

   203   void ReceiveCallback (uint8_t *buf, ssize_t len);

   197   void ReceiveCallback (uint8_t *buf, ssize_t len);

   204 

   198 

   205   /**

   199   /**

   208    * Forward the frame to the appropriate callback for processing

   200    * Forward the frame to the appropriate callback for processing

   209    */

   201    */

   210   void ForwardUp (uint8_t *buf, ssize_t len);

   202   void ForwardUp (uint8_t *buf, ssize_t len);

   211 

   203 

   212   /**

   204   /**

   217   bool TransmitStart (Ptr<Packet> p);

   209   bool TransmitStart (Ptr<Packet> p);

   218 

   210 

   219   void NotifyLinkUp (void);

   211   void NotifyLinkUp (void);

   220 

   212 

   221   /**

   213   /**

   224    * The ns-3 node associated to the net device.

   214    * The ns-3 node associated to the net device.

   225    */

   215    */

   226   Ptr<Node> m_node;

   216   Ptr<Node> m_node;

   227 

   217 

   228   /*

   218   /*

   231    * a copy of the node id so the read thread doesn't have to GetNode() in

   219    * a copy of the node id so the read thread doesn't have to GetNode() in

   232    * in order to find the node ID.  Thread unsafe reference counting in

   220    * in order to find the node ID.  Thread unsafe reference counting in

   233    * multithreaded apps is not a good thing.

   221    * multithreaded apps is not a good thing.

   234    */

   222    */

   235   uint32_t m_nodeId;

   223   uint32_t m_nodeId;

   236 

   224 

   237   /**

   225   /**

   240    * The ns-3 interface index (in the sense of net device index) that has been assigned to this network device.

   226    * The ns-3 interface index (in the sense of net device index) that has been assigned to this network device.

   241    */

   227    */

   242   uint32_t m_ifIndex;

   228   uint32_t m_ifIndex;

   243 

   229 

   244   /**

   230   /**

   247    * The MTU associated to the file descriptor technology

   231    * The MTU associated to the file descriptor technology

   248    */

   232    */

   249   uint16_t m_mtu;

   233   uint16_t m_mtu;

   250 

   234 

   251   /**

   235   /**

   254    * The file descriptor used for receive/send network traffic.

   236    * The file descriptor used for receive/send network traffic.

   255    */

   237    */

   256   int m_fd;

   238   int m_fd;

   257 

   239 

   258   /**

   240   /**

   261    * Reader for the file descriptor.

   241    * Reader for the file descriptor.

   262    */

   242    */

   263   Ptr<FdNetDeviceFdReader> m_fdReader;

   243   Ptr<FdNetDeviceFdReader> m_fdReader;

   264 

   244 

   265   /**

   245   /**

   268    * The net device mac address.

   246    * The net device mac address.

   269    */

   247    */

   270   Mac48Address m_address;

   248   Mac48Address m_address;

   271 

   249 

   272   /**

   250   /**

   275    * The typ of encapsulation of the received/transmited frames.

   251    * The typ of encapsulation of the received/transmited frames.

   276    */

   252    */

   277   EncapsulationMode m_encapMode;

   253   EncapsulationMode m_encapMode;

   278 

   254 

   279   /**

   255   /**

   282    * Flag indicating whether or not the link is up.  In this case,

   256    * Flag indicating whether or not the link is up.  In this case,

   283    * whether or not the device is connected to a channel.

   257    * whether or not the device is connected to a channel.

   284    */

   258    */

   285   bool m_linkUp;

   259   bool m_linkUp;

   286 

   260 

   287   /**

   261   /**

   290    * Callbacks to fire if the link changes state (up or down).

   262    * Callbacks to fire if the link changes state (up or down).

   291    */

   263    */

   292   TracedCallback<> m_linkChangeCallbacks;

   264   TracedCallback<> m_linkChangeCallbacks;

   293 

   265 

   294   /**

   266   /**

   297    * Flag indicating whether or not the underlying net device supports

   267    * Flag indicating whether or not the underlying net device supports

   298    * broadcast.

   268    * broadcast.

   299    */

   269    */

   300   bool m_isBroadcast;

   270   bool m_isBroadcast;

   301 

   271 

   302   /**

   272   /**

   305    * Flag indicating whether or not the underlying net device supports

   273    * Flag indicating whether or not the underlying net device supports

   306    * multicast.

   274    * multicast.

   307    */

   275    */

   308   bool m_isMulticast;

   276   bool m_isMulticast;

   309 

   277 

   310   /**

   278   /**

   313    * Number of packets that were received and scheduled for read but not yeat read.

   279    * Number of packets that were received and scheduled for read but not yeat read.

   314    */

   280    */

   315   uint32_t m_pendingReadCount;

   281   uint32_t m_pendingReadCount;

   316   

   282   

   317   /**

   283   /**

   320    * Maximum number of packets that can be received and scheduled for read but not yeat read.

   284    * Maximum number of packets that can be received and scheduled for read but not yeat read.

   321    */

   285    */

   322   uint32_t m_maxPendingReads;

   286   uint32_t m_maxPendingReads;

   323   

   287   

   324    

   288    

   325   /**

   289   /**

   328    * Mutex to increase pending read counter.

   290    * Mutex to increase pending read counter.

   329    */

   291    */

   330   SystemMutex m_pendingReadMutex;

   292   SystemMutex m_pendingReadMutex;

   331 

   293 

   332   /**

   294   /**

   335    * Time to start spinning up the device

   295    * Time to start spinning up the device

   336    */

   296    */

   337   Time m_tStart;

   297   Time m_tStart;

   338 

   298 

   339   /**

   299   /**

   342    * Time to start tearing down the device

   300    * Time to start tearing down the device

   343    */

   301    */

   344   Time m_tStop;

   302   Time m_tStop;

   345 

   303 

   346   EventId m_startEvent;

   304   EventId m_startEvent;