/// <summary>
/// Discovers the IeeeAddress of a remote device. This uses a broadcast request to try to discover the
/// device.
///
/// <param name="networkAddress">the network address of the node</param>
/// <returns>true if the message was processed ok</returns>
/// </summary>
private async Task <bool> GetIeeeAddress(ushort networkAddress)
{
// Request basic response, start index for associated list is 0
IeeeAddressRequest request = new IeeeAddressRequest();
request.RequestType = 0;
request.StartIndex = 0;
request.NwkAddrOfInterest = networkAddress;
request.DestinationAddress = new ZigBeeEndpointAddress(ZigBeeBroadcastDestination.GetBroadcastDestination(BroadcastDestination.BROADCAST_RX_ON).Key);
CommandResult response = await _networkManager.SendTransaction(request, request);
if (response.IsError())
{
return(false);
}
IeeeAddressResponse ieeeAddressResponse = (IeeeAddressResponse)response.GetResponse();
Log.Debug("{NetworkAddress}: NWK Discovery IeeeAddressRequest returned {IeeeAddressResponse}", networkAddress, ieeeAddressResponse);
if (ieeeAddressResponse != null && ieeeAddressResponse.Status == ZdoStatus.SUCCESS)
{
AddNode(ieeeAddressResponse.IeeeAddrRemoteDev, ieeeAddressResponse.NwkAddrRemoteDev);
StartNodeDiscovery(ieeeAddressResponse.NwkAddrRemoteDev);
return(true);
}
return(false);
}
/// <summary>
/// Get Node Network address and the list of associated devices
///
/// <returns>true if the message was processed ok</returns>
/// </summary>
private async Task <bool> RequestAssociatedNodes()
{
byte startIndex = 0;
int totalAssociatedDevices = 0;
HashSet <ushort> associatedDevices = new HashSet <ushort>();
do
{
// Request extended response, to get associated list
IeeeAddressRequest ieeeAddressRequest = new IeeeAddressRequest();
ieeeAddressRequest.DestinationAddress = new ZigBeeEndpointAddress((ushort)Node.NetworkAddress);
ieeeAddressRequest.RequestType = 1;
ieeeAddressRequest.StartIndex = startIndex;
ieeeAddressRequest.NwkAddrOfInterest = Node.NetworkAddress;
CommandResult response = await NetworkManager.SendTransaction(ieeeAddressRequest, ieeeAddressRequest);
IeeeAddressResponse ieeeAddressResponse = (IeeeAddressResponse)response.Response;
Log.Debug("{IeeeAddress}: Node SVC Discovery: IeeeAddressResponse returned {Response}", Node.IeeeAddress, ieeeAddressResponse);
if (ieeeAddressResponse != null && ieeeAddressResponse.Status == ZdoStatus.SUCCESS)
{
associatedDevices.UnionWith(ieeeAddressResponse.NwkAddrAssocDevList);
startIndex += (byte)ieeeAddressResponse.NwkAddrAssocDevList.Count;
totalAssociatedDevices = ieeeAddressResponse.NwkAddrAssocDevList.Count;
}
} while (startIndex < totalAssociatedDevices);
_updatedNode.AssociatedDevices = associatedDevices;
return(true);
}
/**
* Get Node IEEE address
*
* @param networkAddress the network address of the node
* @return true if the message was processed ok
*/
private async Task <bool> GetIeeeAddress(ushort networkAddress)
{
try
{
byte startIndex = 0;
int totalAssociatedDevices = 0;
List <ushort> associatedDevices = new List <ushort>();
IeeeAddress ieeeAddress = null;
do
{
// Request extended response, start index for associated list is 0
IeeeAddressRequest ieeeAddressRequest = new IeeeAddressRequest();
ieeeAddressRequest.DestinationAddress = new ZigBeeEndpointAddress(networkAddress);
ieeeAddressRequest.RequestType = 1;
ieeeAddressRequest.StartIndex = startIndex;
ieeeAddressRequest.NwkAddrOfInterest = networkAddress;
CommandResult response = await _networkManager.SendTransaction(ieeeAddressRequest, ieeeAddressRequest);
if (response.IsError())
{
return(false);
}
IeeeAddressResponse ieeeAddressResponse = response.GetResponse <IeeeAddressResponse>();
_logger.Debug("{NetworkAddress}: NWK Discovery IeeeAddressRequest returned {IeeeAddress}", networkAddress, ieeeAddressResponse);
if (ieeeAddressResponse != null && ieeeAddressResponse.Status == ZdoStatus.SUCCESS)
{
ieeeAddress = ieeeAddressResponse.IeeeAddrRemoteDev;
if (startIndex.Equals(ieeeAddressResponse.StartIndex))
{
associatedDevices.AddRange(ieeeAddressResponse.NwkAddrAssocDevList);
startIndex += (byte)ieeeAddressResponse.NwkAddrAssocDevList.Count;
totalAssociatedDevices = ieeeAddressResponse.NwkAddrAssocDevList.Count;
}
}
} while (startIndex < totalAssociatedDevices);
AddNode(ieeeAddress, networkAddress);
// Start discovery for any associated nodes
foreach (ushort deviceNetworkAddress in associatedDevices)
{
StartNodeDiscovery(deviceNetworkAddress);
}
}
catch (Exception e)
{
_logger.Debug("NWK Discovery Error in checkIeeeAddressResponse {Error}", e);
}
return(true);
}
/**
* Get the associated nodes for this address, and start a discovery of the associated nodes.
*
* <param name="networkAddress">networkAddress the network address of the node</param>
* <returns>true if the message was processed ok</returns>
*/
private async Task <bool> GetAssociatedNodes(ushort networkAddress)
{
int startIndex = 0;
int totalAssociatedDevices = 0;
List <ushort> associatedDevices = new List <ushort>();
do
{
// Request extended response, start index for associated list is 0
IeeeAddressRequest ieeeAddressRequest = new IeeeAddressRequest();
ieeeAddressRequest.DestinationAddress = new ZigBeeEndpointAddress(networkAddress);
ieeeAddressRequest.RequestType = 1;
ieeeAddressRequest.StartIndex = (byte)startIndex;
ieeeAddressRequest.NwkAddrOfInterest = networkAddress;
CommandResult response = await _networkManager.SendTransaction(ieeeAddressRequest, ieeeAddressRequest);
if (response.IsError())
{
return(false);
}
IeeeAddressResponse ieeeAddressResponse = (IeeeAddressResponse)response.GetResponse();
Log.Debug("{NetworkAddress}: NWK Discovery IeeeAddressRequest returned {IeeeAddressResponse}", networkAddress, ieeeAddressResponse);
if (ieeeAddressResponse != null && ieeeAddressResponse.Status == ZdoStatus.SUCCESS && startIndex.Equals(ieeeAddressResponse.StartIndex))
{
associatedDevices.AddRange(ieeeAddressResponse.NwkAddrAssocDevList);
startIndex += ieeeAddressResponse.NwkAddrAssocDevList.Count;
totalAssociatedDevices = ieeeAddressResponse.NwkAddrAssocDevList.Count;
}
} while (startIndex < totalAssociatedDevices);
// Start discovery for any associated nodes
foreach (var deviceNetworkAddress in associatedDevices)
{
StartNodeDiscovery(deviceNetworkAddress);
}
return(true);
}
/// <summary>
/// Starts a discovery on a node given the network address.
///
/// <param name="requeryPeriod">networkAddress the network address of the node to discover</param>
/// </summary>
public void RediscoverNode(ushort networkAddress)
{
if (!_initialized)
{
Log.Debug("Network discovery task: can't perform rediscovery on {NetworkAddress} until initialization complete.", networkAddress);
return;
}
Log.Debug("{NetworkAddress}: NWK Discovery starting node rediscovery", networkAddress);
int retries = 0;
Task.Run(async() =>
{
try
{
do
{
// Request basic response, start index for associated list is 0
IeeeAddressRequest ieeeAddressRequest = new IeeeAddressRequest();
ieeeAddressRequest.DestinationAddress = new ZigBeeEndpointAddress(ZigBeeBroadcastDestination.GetBroadcastDestination(BroadcastDestination.BROADCAST_RX_ON).Key);
ieeeAddressRequest.RequestType = 0;
ieeeAddressRequest.StartIndex = 0;
ieeeAddressRequest.NwkAddrOfInterest = networkAddress;
CommandResult response = await _networkManager.SendTransaction(ieeeAddressRequest, ieeeAddressRequest);
if (response.IsError())
{
return;
}
IeeeAddressResponse ieeeAddressResponse = (IeeeAddressResponse)response.GetResponse();
Log.Debug("{NetworkAddress}: NWK Discovery IeeeAddressRequest returned {IeeeAddressResponse}", networkAddress, ieeeAddressResponse);
if (ieeeAddressResponse != null && ieeeAddressResponse.Status == ZdoStatus.SUCCESS)
{
AddNode(ieeeAddressResponse.IeeeAddrRemoteDev, ieeeAddressResponse.NwkAddrRemoteDev);
StartNodeDiscovery(ieeeAddressResponse.NwkAddrRemoteDev);
break;
}
// We failed with the last request. Wait a bit then retry
try
{
Log.Debug("{NetworkAddress}: NWK Discovery node rediscovery request failed. Wait before retry.", networkAddress);
await Task.Delay(_retryPeriod);
}
catch (ThreadAbortException)
{
break;
}
} while (retries++ < _retryCount);
}
catch (Exception e) // TODO: Handle more secific Exception here (ThreadAbortException etc.)
{
Log.Debug("NWK Discovery Error in checkIeeeAddressResponse ", e);
}
Log.Debug("{NetworkAddress}: NWK Discovery finishing node rediscovery after {Retries} attempts", networkAddress, retries);
});
// StartNodeDiscovery(nodeAddress);
}
