/// <summary>
/// handler for mac beacon notifications
/// </summary>
/// <param name="sender"></param>
/// <param name="BSN"></param>
/// <param name="panDescriptor"></param>
/// <param name="pendingShortAddrs"></param>
/// <param name="pendingExtendedAddrs"></param>
/// <param name="beaconPayload"></param>
public void MacBeaconNotifyIndication(
IMacMgmtSap sender,
ushort BSN,
PanDescriptor panDescriptor,
ushort[] pendingShortAddrs,
UInt64[] pendingExtendedAddrs,
Frame beaconPayload)
{
if (!_scanning)
{
return;
}
ScanResultInternal res = new ScanResultInternal();
res.panDescriptor = panDescriptor;
res.isMeshProtocol = false;
if (beaconPayload.LengthDataUsed == 8)
{
UInt64 meshId = beaconPayload.ReadUInt64Canonical(0);
if (meshId == NetworkLayer.cMeshId)
{
res.isMeshProtocol = true;
}
Frame.Release(ref beaconPayload);
}
lock (_scanResults)
{
_scanResults.Add(res);
}
}
// handler for scan result
private void HandlerScanResult(
IMacMgmtSap sender,
MacEnum status,
ScanType scanType,
Byte channelPage,
UInt32 unscannedChannel,
byte[] energyDetectList,
PanDescriptor[] panDescriptorList)
{
// store networks
if (panDescriptorList != null)
{
lock (_scanResults)
{
int length = panDescriptorList.Length;
for (int i = 0; i < length; i++)
{
ScanResultInternal res = new ScanResultInternal();
res.panDescriptor = panDescriptorList[i];
res.isMeshProtocol = false;
_scanResults.Add(res);
}
}
}
ScanNextPage();
}
// get network parameters from scan result
private Status FindNetwork(out UInt16[] neighborAddr)
{
_logicalChannel = 0;
_channelPage = 0;
neighborAddr = null;
bool found = false;
int countNeighbors = 0;
int countAll = _scanResults.Count;
for (int i = 0; i < countAll; i++)
{
ScanResultInternal sr = (ScanResultInternal)_scanResults[i];
if (sr.panDescriptor.coordPanId == _panId &&
sr.isMeshProtocol &&
sr.panDescriptor.coordAddr.Mode == MacAddressingMode.ShortAddress)
{
if (!found)
{
found = true;
_logicalChannel = sr.panDescriptor.logicalChannel;
_channelPage = sr.panDescriptor.channelPage;
}
if (_logicalChannel == sr.panDescriptor.logicalChannel &&
_channelPage == sr.panDescriptor.channelPage)
{
countNeighbors++;
}
}
}
if (countNeighbors == 0)
{
return(Status.NoNeighbor);
}
// get neighbors
neighborAddr = new UInt16[countNeighbors];
countNeighbors = 0;
for (int i = 0; i < countAll; i++)
{
ScanResultInternal sr = (ScanResultInternal)_scanResults[i];
if (_panId == sr.panDescriptor.coordPanId &&
sr.isMeshProtocol &&
sr.panDescriptor.coordAddr.Mode == MacAddressingMode.ShortAddress &&
_logicalChannel == sr.panDescriptor.logicalChannel &&
_channelPage == sr.panDescriptor.channelPage)
{
neighborAddr[countNeighbors++] = sr.panDescriptor.coordAddr.ShortAddress;
}
}
return(Status.Success);
}
private void FinishScanningThread()
{
Status status = _scanStatus;
ScanResult[] networks = null;
if (status == Status.Success)
{
lock (_scanResults)
{
int countMesh = 0;
int countAll = _scanResults.Count;
for (int i = 0; i < countAll; i++)
{
ScanResultInternal itemInt = (ScanResultInternal)_scanResults[i];
if (itemInt.isMeshProtocol)
{
countMesh++;
}
}
if (countMesh > 0)
{
networks = new ScanResult[countMesh];
countMesh = 0;
for (int i = 0; i < countAll; i++)
{
ScanResultInternal itemInt = (ScanResultInternal)_scanResults[i];
if (itemInt.isMeshProtocol)
{
ScanResult itemExt = new ScanResult();
itemExt.panId = itemInt.panDescriptor.coordPanId;
itemExt.linkQuality = itemInt.panDescriptor.linkQuality;
networks[countMesh++] = itemExt;
}
}
}
}
}
ScanConfirmHandler handler = _scanConfirmHandler;
_scanning = false; // when invoking handler, handler can start next scan
handler.Invoke(_net, status, networks);
}
/// <summary>
/// handler for mac beacon notifications
/// </summary>
/// <param name="sender"></param>
/// <param name="BSN"></param>
/// <param name="panDescriptor"></param>
/// <param name="pendingShortAddrs"></param>
/// <param name="pendingExtendedAddrs"></param>
/// <param name="beaconPayload"></param>
public void MacBeaconNotifyIndication(
IMacMgmtSap sender,
ushort BSN,
PanDescriptor panDescriptor,
ushort[] pendingShortAddrs,
UInt64[] pendingExtendedAddrs,
Frame beaconPayload)
{
if (!_scanning)
return;
ScanResultInternal res = new ScanResultInternal();
res.panDescriptor = panDescriptor;
res.isMeshProtocol = false;
if (beaconPayload.LengthDataUsed == 8)
{
UInt64 meshId = beaconPayload.ReadUInt64Canonical(0);
if (meshId == NetworkLayer.cMeshId)
{
res.isMeshProtocol = true;
}
Frame.Release(ref beaconPayload);
}
lock (_scanResults)
{
_scanResults.Add(res);
}
}
// handler for scan result
private void HandlerScanResult(
IMacMgmtSap sender,
MacEnum status,
ScanType scanType,
Byte channelPage,
UInt32 unscannedChannel,
byte[] energyDetectList,
PanDescriptor[] panDescriptorList)
{
// store networks
if (panDescriptorList != null)
{
lock (_scanResults)
{
int length = panDescriptorList.Length;
for (int i = 0; i < length; i++)
{
ScanResultInternal res = new ScanResultInternal();
res.panDescriptor = panDescriptorList[i];
res.isMeshProtocol = false;
_scanResults.Add(res);
}
}
}
ScanNextPage();
}
