/// <summary>
/// Get the characterisitcs associated to a node
/// </summary>
/// <param name="shortAddress">the address of the node</param>
/// <returns>the characteristic if present, null otherwise</returns>
private TransmissionCharacteristic GetNodeCharacteristic(UInt16 shortAddress)
{
lock (_lock)
{
int sqnArrayCount = _sqnArray.Count;
for (int i = 0; i < sqnArrayCount; i++)
{
TransmissionCharacteristic holder = (TransmissionCharacteristic)_sqnArray[i];
if (holder.ShortAddress == shortAddress)
{
return(holder);
}
}
return(null);
}
}
/// <summary>
/// Set transmission characteristic (including sequence number).
/// </summary>
public void SetTransmissionCharacteristic(UInt16 shortAddress, byte sqn, uint timeoutForResending, uint maxFragmentsSentBeforeAck)
{
lock (_lock)
{
TransmissionCharacteristic holder = GetNodeCharacteristic(shortAddress);
if (holder != null)
{
holder.MessageSeqNumber = sqn;
holder.TimeoutForResending = timeoutForResending;
holder.MaxFragmentsSentBeforeAck = maxFragmentsSentBeforeAck;
}
else
{
holder = new TransmissionCharacteristic(shortAddress, sqn, timeoutForResending, maxFragmentsSentBeforeAck);
_sqnArray.Add(holder);
}
}
}
/// <summary>
/// Set transmission characteristic.
/// <returns>true if update was successful and false otherwise</returns>
/// </summary>
public bool UpdateTransmissionCharacteristic(UInt16 shortAddress, uint timeoutForResending, uint maxFragmentsSentBeforeAck)
{
lock (_lock)
{
TransmissionCharacteristic holder = GetNodeCharacteristic(shortAddress);
if (holder != null)
{
#if PRINTALL
Trace.Print("Updating trans. char for node " + shortAddress + ": timeoutForResend = " + timeoutForResending + ", maxFrag = " + maxFragmentsSentBeforeAck);
#endif
holder.TimeoutForResending = timeoutForResending;
holder.MaxFragmentsSentBeforeAck = maxFragmentsSentBeforeAck;
return(true);
}
return(false);
}
}
/// <summary>
/// Get the seq. number associated to a node.
/// </summary>
public bool GetTransmissionCharacteristic(UInt16 shortAddress, out byte messageSeqNumber, out uint timeoutForResending, out uint maxFragmentsSentBeforeAck)
{
lock (_lock)
{
TransmissionCharacteristic holder = GetNodeCharacteristic(shortAddress);
if (holder != null)
{
messageSeqNumber = holder.MessageSeqNumber;
timeoutForResending = holder.TimeoutForResending;
maxFragmentsSentBeforeAck = holder.MaxFragmentsSentBeforeAck;
return(true);
}
messageSeqNumber = 0;
timeoutForResending = 0;
maxFragmentsSentBeforeAck = 0;
return(false);
}
}
/// <summary>
/// Set transmission characteristic (including sequence number).
/// </summary>
public void SetTransmissionCharacteristic(UInt16 shortAddress, byte sqn, uint timeoutForResending, uint maxFragmentsSentBeforeAck)
{
lock (_lock)
{
TransmissionCharacteristic holder = GetNodeCharacteristic(shortAddress);
if (holder != null)
{
holder.MessageSeqNumber = sqn;
holder.TimeoutForResending = timeoutForResending;
holder.MaxFragmentsSentBeforeAck = maxFragmentsSentBeforeAck;
}
else
{
holder = new TransmissionCharacteristic(shortAddress, sqn, timeoutForResending, maxFragmentsSentBeforeAck);
_sqnArray.Add(holder);
}
}
}
