/**
* Writes the given XBee packet in the connection interface of this device.
*
* @param packet XBee packet to be written.
*
* @throws IOException if an I/O error occurs while writing the XBee packet
* in the connection interface.
*
* @see com.digi.xbee.api.packet.XBeePacket
*/
private void WritePacket(XBeePacket packet)/*throws IOException */{
logger.DebugFormat(ToString() + "Sending XBee packet: \n{0}", packet.ToPrettyString());
// Write bytes with the required escaping mode.
switch (operatingMode)
{
case OperatingMode.API:
default:
var buf = packet.GenerateByteArray();
connectionInterface.SerialPort.Write(buf, 0, buf.Length);
break;
case OperatingMode.API_ESCAPE:
var buf2 = packet.GenerateByteArrayEscaped();
connectionInterface.SerialPort.Write(buf2, 0, buf2.Length);
break;
}
}
//public event EventHandler<PacketReceivedEventArgs> PacketReceived;
/**
* Notifies subscribed XBee packet listeners that a new XBee packet has
* been received.
*
* @param packet The received XBee packet.
*
* @see com.digi.xbee.api.packet.XBeeAPIPacket
* @see com.digi.xbee.api.packet.XBeePacket
*/
private void NotifyPacketReceived(XBeePacket packet)
{
logger.DebugFormat(connectionInterface.ToString() + "Packet received: \n{0}", packet.ToPrettyString());
try
{
lock (packetReceiveListeners)
{
var removeListeners = new List<IPacketReceiveListener>();
var tasks = new ConcurrentBag<Task>();
foreach (IPacketReceiveListener listener in packetReceiveListeners.Keys)
{
tasks.Add(Task.Factory.StartNew((state) =>
{
var listener0 = (IPacketReceiveListener)state;
lock (listener0)
{
if (packetReceiveListeners[listener0] == ALL_FRAME_IDS)
listener0.PacketReceived(packet);
else if (((XBeeAPIPacket)packet).NeedsAPIFrameID &&
((XBeeAPIPacket)packet).FrameID == packetReceiveListeners[listener0])
{
listener0.PacketReceived(packet);
removeListeners.Add(listener0);
}
}
}, listener));
}
Task.WaitAll(tasks.ToArray());
//executor.shutdown();
// Remove required listeners.
foreach (IPacketReceiveListener listener in removeListeners)
{
int value;
packetReceiveListeners.TryRemove(listener, out value);
}
}
}
catch (Exception e)
{
logger.Error(e.Message, e);
}
}