/**
* Removes the given remote XBee device from the network.
*
* <p>Notice that this operation does not remove the remote XBee device
* from the actual XBee network; it just tells the network object that it
* will no longer contain that device. However, next time a discovery is
* performed, it could be added again automatically.</p>
*
* <p>This method will check for a device that matches the 64-bit address
* of the provided one, if found, that device will be removed from the
* corresponding list. In case the 64-bit address is not defined, it will
* use the 16-bit address for DigiMesh and ZigBee devices.</p>
*
* @param remoteDevice The remote device to be removed from the network.
*
* @throws ArgumentNullException if {@code RemoteDevice == null}.
*
* @see #addRemoteDevice(RemoteXBeeDevice)
* @see #clearDeviceList()
* @see RemoteXBeeDevice
*/
public void removeRemoteDevice(RemoteXBeeDevice remoteDevice)
{
if (remoteDevice == null)
{
throw new ArgumentNullException("Remote device cannot be null.");
}
RemoteXBeeDevice devInNetwork = null;
// Look in the 64-bit map.
XBee64BitAddress addr64 = remoteDevice.Get64BitAddress();
if (addr64 != null && !addr64.Equals(XBee64BitAddress.UNKNOWN_ADDRESS))
{
if (remotesBy64BitAddr.TryRemove(addr64, out devInNetwork))
{
return;
}
}
// If not found, look in the 16-bit map.
XBee16BitAddress addr16 = Get16BitAddress(remoteDevice);
if (addr16 != null && !addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS))
{
// The preference order is:
// 1.- Look in the 64-bit map
// 2.- Then in the 16-bit map.
// This should be maintained in the 'getDeviceBy16BitAddress' method.
// Look for the 16-bit address in the 64-bit map.
ICollection <RemoteXBeeDevice> devices = remotesBy64BitAddr.Values;
foreach (RemoteXBeeDevice d in devices)
{
XBee16BitAddress a = Get16BitAddress(d);
if (a != null && a.Equals(addr16))
{
RemoteXBeeDevice r;
remotesBy64BitAddr.TryRemove(d.Get64BitAddress(), out r);
return;
}
}
// If not found, look for the 16-bit address in the 16-bit map.
// Remove the device.
if (remotesBy16BitAddr.TryRemove(addr16, out devInNetwork))
{
return;
}
}
// If the device does not contain a valid address log an error.
if ((addr64 == null || addr64.Equals(XBee64BitAddress.UNKNOWN_ADDRESS)) &&
(addr16 == null || addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS)))
{
logger.ErrorFormat("{0}Remote device '{1}' cannot be removed: 64-bit and 16-bit addresses must be specified.",
localDevice.ToString(), remoteDevice.ToString());
}
}
/// <summary>
/// Returns the remote device already contained in the network whose 64-bit address matches
/// the given one.
/// </summary>
/// <remarks>Note that this method does not perform a discovery, only returns the device that
/// has been previously discovered.</remarks>
/// <param name="address">The 64-bit address of the device to be retrieved.</param>
/// <returns>The remote device in the network or <c>null</c> if it is not found.</returns>
/// <exception cref="ArgumentException">If <paramref name="address"/> is
/// <see cref="XBee64BitAddress.UNKNOWN_ADDRESS"/>.</exception>
/// <exception cref="ArgumentNullException">If <c><paramref name="address"/> == null</c>.</exception>
public RemoteXBeeDevice GetDevice(XBee64BitAddress address)
{
if (address == null)
{
throw new ArgumentNullException("64-bit address cannot be null.");
}
if (address.Equals(XBee64BitAddress.UNKNOWN_ADDRESS))
{
throw new ArgumentException("64-bit address cannot be unknown.");
}
logger.DebugFormat("{0}Getting device '{1}' from network.", localDevice.ToString(), address);
remotesBy64BitAddr.TryGetValue(address, out RemoteXBeeDevice result);
return(result);
}
/**
* Adds the given remote device to the network.
*
* <p>Notice that this operation does not join the remote XBee device to the
* network; it just tells the network that it contains that device. However,
* the device has only been added to the device list, and may not be
* physically in the same network.</p>
*
* <p>The way of adding a device to the network is based on the 64-bit
* address. If it is not configured:</p>
*
* <ul>
* <li>For 802.15.4 and ZigBee devices, it will use the 16-bit address.</li>
* <li>For the rest will return {@code false} as the result of the addition.</li>
* </ul>
*
* @param remoteDevice The remote device to be added to the network.
*
* @return The remote XBee Device instance in the network, {@code null} if
* the device could not be successfully added.
*
* @throws ArgumentNullException if {@code RemoteDevice == null}.
*
* @see #addRemoteDevices(List)
* @see #removeRemoteDevice(RemoteXBeeDevice)
* @see RemoteXBeeDevice
*/
public RemoteXBeeDevice addRemoteDevice(RemoteXBeeDevice remoteDevice)
{
if (remoteDevice == null)
{
throw new ArgumentNullException("Remote device cannot be null.");
}
logger.DebugFormat("{0}Adding device '{1}' to network.", localDevice.ToString(), remoteDevice.ToString());
RemoteXBeeDevice devInNetwork = null;
XBee64BitAddress addr64 = remoteDevice.Get64BitAddress();
XBee16BitAddress addr16 = Get16BitAddress(remoteDevice);
// Check if the device has 64-bit address.
if (addr64 != null && !addr64.Equals(XBee64BitAddress.UNKNOWN_ADDRESS))
{
// The device has 64-bit address, so look in the 64-bit map.
if (remotesBy64BitAddr.TryGetValue(addr64, out devInNetwork))
{
// The device exists in the 64-bit map, so update the reference and return it.
logger.DebugFormat("{0}Existing device '{1}' in network.", localDevice.ToString(), devInNetwork.ToString());
devInNetwork.UpdateDeviceDataFrom(remoteDevice);
return(devInNetwork);
}
else
{
// The device does not exist in the 64-bit map, so check its 16-bit address.
if (addr16 != null && !addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS))
{
// The device has 16-bit address, so look in the 16-bit map.
if (remotesBy16BitAddr.TryGetValue(addr16, out devInNetwork))
{
// The device exists in the 16-bit map, so remove it and add it to the 64-bit map.
logger.DebugFormat("{0}Existing device '{1}' in network.", localDevice.ToString(), devInNetwork.ToString());
remotesBy16BitAddr.TryRemove(addr16, out devInNetwork);
devInNetwork.UpdateDeviceDataFrom(remoteDevice);
remotesBy64BitAddr.AddOrUpdate(addr64, devInNetwork, (k, v) => devInNetwork);
return(devInNetwork);
}
else
{
// The device does not exist in the 16-bit map, so add it to the 64-bit map.
remotesBy64BitAddr.AddOrUpdate(addr64, remoteDevice, (k, v) => remoteDevice);
return(remoteDevice);
}
}
else
{
// The device has not 16-bit address, so add it to the 64-bit map.
remotesBy64BitAddr.AddOrUpdate(addr64, remoteDevice, (k, v) => remoteDevice);
return(remoteDevice);
}
}
}
// If the device has not 64-bit address, check if it has 16-bit address.
if (addr16 != null && !addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS))
{
// The device has 16-bit address, so look in the 64-bit map.
ICollection <RemoteXBeeDevice> devices = remotesBy64BitAddr.Values;
foreach (RemoteXBeeDevice d in devices)
{
XBee16BitAddress a = Get16BitAddress(d);
if (a != null && a.Equals(addr16))
{
devInNetwork = d;
break;
}
}
// Check if the device exists in the 64-bit map.
if (devInNetwork != null)
{
// The device exists in the 64-bit map, so update the reference and return it.
logger.DebugFormat("{0}Existing device '{1}' in network.", localDevice.ToString(), devInNetwork.ToString());
devInNetwork.UpdateDeviceDataFrom(remoteDevice);
return(devInNetwork);
}
else
{
// The device does not exist in the 64-bit map, so look in the 16-bit map.
devInNetwork = remotesBy16BitAddr[addr16];
if (devInNetwork != null)
{
// The device exists in the 16-bit map, so update the reference and return it.
logger.DebugFormat("{0}Existing device '{1}' in network.", localDevice.ToString(), devInNetwork.ToString());
devInNetwork.UpdateDeviceDataFrom(remoteDevice);
return(devInNetwork);
}
else
{
// The device does not exist in the 16-bit map, so add it.
remotesBy16BitAddr.AddOrUpdate(addr16, remoteDevice, (k, v) => remoteDevice);
return(remoteDevice);
}
}
}
// If the device does not contain a valid address, return null.
logger.ErrorFormat("{0}Remote device '{1}' cannot be added: 64-bit and 16-bit addresses must be specified.",
localDevice.ToString(), remoteDevice.ToString());
return(null);
}
/// <summary>
/// Returns the remote XBee device from where the given package was sent from.
/// </summary>
/// <remarks>This is for internal use only.
///
/// If the package does not contain information about the source, this method returns <c>null</c>
/// (for example, <see cref="ModemStatusPacket"/>).
///
/// First the device that sent the provided package is looked in the network of the local
/// XBee device. If the remote device is not in the network, it is automatically added only
/// if the packet contains information about the origin of the package.</remarks>
/// <param name="apiPacket">The packet sent from the remote device.</param>
/// <returns>The remote XBee device that sends the given packet. It may be <c>null</c> if the
/// packet is not a known frame (<see cref="APIFrameType"/>) or if it does not contain information
/// of the source device.</returns>
/// <exception cref="ArgumentNullException">If <c><paramref name="apiPacket"/> == null</c>.</exception>
/// <exception cref="XBeeException">If any error occurred while adding the device to the
/// network.</exception>
public RemoteXBeeDevice GetRemoteXBeeDeviceFromPacket(XBeeAPIPacket apiPacket)
{
if (apiPacket == null)
{
throw new ArgumentNullException("XBee API packet cannot be null.");
}
APIFrameType apiType = apiPacket.FrameType;
RemoteXBeeDevice remoteDevice = null;
XBee64BitAddress addr64 = null;
XBee16BitAddress addr16 = null;
XBeeNetwork network = xbeeDevice.GetNetwork();
switch (apiType)
{
case APIFrameType.RECEIVE_PACKET:
ReceivePacket receivePacket = (ReceivePacket)apiPacket;
addr64 = receivePacket.SourceAddress64;
addr16 = receivePacket.SourceAddress16;
if (!addr64.Equals(XBee64BitAddress.UNKNOWN_ADDRESS))
{
remoteDevice = network.GetDevice(addr64);
}
else if (!addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS))
{
remoteDevice = network.GetDevice(addr16);
}
break;
case APIFrameType.RX_64:
RX64Packet rx64Packet = (RX64Packet)apiPacket;
addr64 = rx64Packet.SourceAddress64;
remoteDevice = network.GetDevice(addr64);
break;
case APIFrameType.RX_16:
RX16Packet rx16Packet = (RX16Packet)apiPacket;
addr64 = XBee64BitAddress.UNKNOWN_ADDRESS;
addr16 = rx16Packet.SourceAddress16;
remoteDevice = network.GetDevice(addr16);
break;
case APIFrameType.IO_DATA_SAMPLE_RX_INDICATOR:
IODataSampleRxIndicatorPacket ioSamplePacket = (IODataSampleRxIndicatorPacket)apiPacket;
addr64 = ioSamplePacket.SourceAddress64;
addr16 = ioSamplePacket.SourceAddress16;
remoteDevice = network.GetDevice(addr64);
break;
case APIFrameType.RX_IO_64:
RX64IOPacket rx64IOPacket = (RX64IOPacket)apiPacket;
addr64 = rx64IOPacket.SourceAddress64;
remoteDevice = network.GetDevice(addr64);
break;
case APIFrameType.RX_IO_16:
RX16IOPacket rx16IOPacket = (RX16IOPacket)apiPacket;
addr64 = XBee64BitAddress.UNKNOWN_ADDRESS;
addr16 = rx16IOPacket.SourceAddress16;
remoteDevice = network.GetDevice(addr16);
break;
case APIFrameType.EXPLICIT_RX_INDICATOR:
ExplicitRxIndicatorPacket explicitDataPacket = (ExplicitRxIndicatorPacket)apiPacket;
addr64 = explicitDataPacket.SourceAddress64;
addr16 = explicitDataPacket.SourceAddress16;
remoteDevice = network.GetDevice(addr64);
break;
default:
// Rest of the types are considered not to contain information
// about the origin of the packet.
return(remoteDevice);
}
// If the origin is not in the network, add it.
if (remoteDevice == null)
{
remoteDevice = CreateRemoteXBeeDevice(addr64, addr16, null);
if (!addr64.Equals(XBee64BitAddress.UNKNOWN_ADDRESS) || !addr16.Equals(XBee16BitAddress.UNKNOWN_ADDRESS))
{
network.AddRemoteDevice(remoteDevice);
}
}
return(remoteDevice);
}
/**
* Returns the remote device already contained in the network whose 64-bit
* address matches the given one.
*
* <p>Note that this method <b>does not perform a discovery</b>, only
* returns the device that has been previously discovered.</p>
*
* @param address The 64-bit address of the device to be retrieved.
*
* @return The remote device in the network or {@code null} if it is not
* found.
*
* @throws ArgumentException if {@code address.equals(XBee64BitAddress.UNKNOWN_ADDRESS)}.
* @throws ArgumentNullException if {@code address == null}.
*/
public RemoteXBeeDevice GetDevice(XBee64BitAddress address)
{
if (address == null)
throw new ArgumentNullException("64-bit address cannot be null.");
if (address.Equals(XBee64BitAddress.UNKNOWN_ADDRESS))
throw new ArgumentNullException("64-bit address cannot be unknown.");
logger.DebugFormat("{0}Getting device '{1}' from network.", localDevice.ToString(), address);
RemoteXBeeDevice result;
remotesBy64BitAddr.TryGetValue(address, out result);
return result;
}
