UInt32 CreateTokenKey(byte[] token, PhysicalIdentifier type)
{
if (token == null || token.Length != 2)
{
throw new Exception("Token must be an array with 2 elements");
}
var key = new byte[] { token[0], token[1], 0, (byte)type };
return(BitConverter.ToUInt32(key, 0));
}
//downlink transmission
public PhysicalPayload(byte[] _token, PhysicalIdentifier type, byte[] _message)
{
//0x01 PUSH_ACK That packet type is used by the server to acknowledge immediately all the PUSH_DATA packets received.
//0x04 PULL_ACK That packet type is used by the server to confirm that the network route is open and that the server can send PULL_RESP packets at any time.
if (type == PhysicalIdentifier.PUSH_ACK || type == PhysicalIdentifier.PULL_ACK)
{
token = _token;
identifier = type;
}
//0x03 PULL_RESP That packet type is used by the server to send RF packets and metadata that will have to be emitted by the gateway.
if (type == PhysicalIdentifier.PULL_RESP)
{
token = _token;
identifier = type;
message = new byte[_message.Length];
Array.Copy(_message, 0, message, 0, _message.Length);
}
}
internal void SubscribeOnce(byte[] token, PhysicalIdentifier type, Action <byte[]> value)
{
subscribers.TryAdd(CreateTokenKey(token, type), value);
}
