public MpanContainer this[NodeGroupId peerGroupId]
{
get
{
if (!_table.ContainsKey(peerGroupId))
{
throw new IndexOutOfRangeException("mpan container for such group id doesn't exist");
}
return(_table[peerGroupId]);
}
}
public NonceContainer this[OrdinalPeerNodeId peerNodeId]
{
get
{
if (!_table.ContainsKey(peerNodeId))
{
throw new IndexOutOfRangeException("nonce container for such peer id doesn't exist");
}
return(_table[peerNodeId]);
}
}
public byte GetTxSequenceNumber(InvariantPeerNodeId peerNodeId)
{
byte ret = 0;
lock (_synchObject)
{
if (_table.ContainsKey(peerNodeId))
{
ret = _table[peerNodeId].TxSequenceNumber;
}
else if (_txSequenceNumberTable.ContainsKey(peerNodeId))
{
ret = ++_txSequenceNumberTable[peerNodeId];
}
else
{
ret = 0x55;
_txSequenceNumberTable.Add(peerNodeId, ret);
}
}
return(ret);
}
/// <summary>
/// Adds new nonce with Receiver state to table
/// </summary>
/// <param name="peerNodeId">Sender node id</param>
/// <param name="receiverNonce">16 bytes receiver nonce</param>
/// <param name="sequenceNumber">Sequence number</param>
public void Add(InvariantPeerNodeId peerNodeId, byte[] receiverNonce, byte txSequenceNumber, byte rxSequenceNumber)
{
lock (_synchObject)
{
if (!_table.ContainsKey(peerNodeId))
{
_table.Add(peerNodeId, new SpanContainer(receiverNonce, txSequenceNumber, rxSequenceNumber));
}
else if (_table.ContainsKey(peerNodeId) && _table[peerNodeId].SpanState == SpanStates.None)
{
_table[peerNodeId].SetReceiversNonceState(receiverNonce);
_table[peerNodeId].TxSequenceNumber = txSequenceNumber;
_table[peerNodeId].RxSequenceNumber = rxSequenceNumber;
}
else
{
throw new InvalidOperationException("Nonce with specified peerNodeId already exists");
}
BackupTxSequenceNumber(peerNodeId);
}
}