private void HandleAddressReply(
MacAddress srcAddr,
MacAddress dstAddr,
ref Frame sdu)
{
Message.AddressReply arep = new Message.AddressReply();
if (arep.ReadFromFrame(sdu))
{
if (dstAddr.Mode == MacAddressingMode.ExtendedAddress && dstAddr.ExtendedAddress == _addrExt)
{
// address is for us
if (_addrShort == cUnallocatedShortAddr)
{
_addrShort = arep.ShortAddr;
PibValue value = new PibValue();
value.Int = _addrShort;
_mac.SetRequest(PibAttribute.macShortAddress, 0, value, null);
_getAddressEvent.Set();
SetDiscoveryTimer(arep.DiscoveryInterval);
}
}
else
{
if (arep.HopsLeft > 0)
{
arep.HopsLeft--;
Frame frame = Frame.GetFrame(_macHeader, Message.AddressRequest.cLength + _macTailer);
if (arep.WriteToFrame(frame))
{
if (arep.BrokerAddr == _addrShort)
{
// we are the broker
MacDataRequest(arep.DeviceAddr, ref frame);
}
else
{
// forward to broker
_routingTable.DataRequest(arep.BrokerAddr, ref frame, 0, null, true);
}
}
Frame.Release(ref frame);
}
}
}
}
private void HandleAddressRequest(
MacAddress srcAddr,
MacAddress dstAddr,
ref Frame sdu)
{
Message.AddressRequest areq = new Message.AddressRequest();
if (areq.ReadFromFrame(sdu))
{
if (_isAddrServer)
{
// process message as address server
Message.AddressReply arep = new Message.AddressReply();
if (_addrServer.AllocateAddress(areq.DeviceAddr, out arep.ShortAddr))
{
// send address
arep.HopsLeft = cDefaultHopLimit;
arep.BrokerAddr = areq.BrokerAddr;
arep.DeviceAddr = areq.DeviceAddr;
arep.DiscoveryInterval = _addrServer.TimeInterval;
Frame frame = Frame.GetFrame(_macHeader, Message.AddressReply.cLength + _macTailer);
if (arep.WriteToFrame(frame))
{
if (areq.BrokerAddr == cCoordinatorShortAddr)
{
// direct response
if (srcAddr.Mode == MacAddressingMode.ExtendedAddress)
{
MacDataRequest(srcAddr.ExtendedAddress, ref frame);
}
}
else
{
// send to broker
_routingTable.DataRequest(areq.BrokerAddr, ref frame, 0, null, true);
}
}
Frame.Release(ref frame);
}
}
else
{
// forward towards address server
if (areq.HopsLeft > 0)
{
areq.HopsLeft--;
if (areq.BrokerAddr == cCoordinatorShortAddr)
{
areq.BrokerAddr = _addrShort;
}
Frame frame = Frame.GetFrame(_macHeader, Message.AddressRequest.cLength + _macTailer);
if (areq.WriteToFrame(frame))
{
// send to address server
_routingTable.DataRequest(cCoordinatorShortAddr, ref frame, 0, null, true);
}
Frame.Release(ref frame);
}
}
}
}
