public void WriteMessage(Message message)
{
var messageLength = message.Data.Length + _headerSize;
using (var memoryStream = new MemoryStream(messageLength))
using (var writer = new BinaryWriter(memoryStream))
{
writer.Write(_messageSignature);
writer.Write(message.Version);
writer.Write(message.Flags);
writer.Write((ushort) message.Data.Length);
writer.Write(message.Intent);
writer.Write(message.Data);
var data = memoryStream.ToArray();
var checksum = CalculateChecksum(data);
_connection.Write(data);
_connection.Write(new[] {checksum});
}
}
private void SendMessage(ushort intent, byte[] data)
{
try
{
var message = new Message(_version, 0, intent, data);
_messageReaderWriter.WriteMessage(message);
}
catch (Exception e)
{
_logger.Error("Error occurred on message sending", e);
}
}
private void HandleMessage(Message message)
{
if (message.Version != _version)
throw new InvalidOperationException("Invalid message version: " + message.Version);
switch (message.Intent)
{
case Intents.Register:
RegisterDevice(message.Data);
break;
case Intents.Register2:
RegisterDevice2(message.Data);
break;
case Intents.NotifyCommandResult:
NotifyCommandResult(message.Data);
break;
default: // in other case message should be custom notification message
HandleNotification(message.Intent, message.Data);
break;
}
}