static void CommandSerialize(Scenarios.CommandType cmd, string Data, out byte[] headerBuffer, out byte[] dataBuffer)
{
headerBuffer = new byte[2 + 5];
byte[] dataBytes = Encoding.UTF8.GetBytes(Data);
dataBuffer = new byte[2 + dataBytes.Length];
// Seperators:
// ============================================
headerBuffer[0] = headerBuffer[6] = CMD_SEPERATOR;
dataBuffer[0] = dataBuffer[1 + dataBytes.Length] = CMD_SEPERATOR;
// Dataheader:
// ============================================
headerBuffer[1] = (byte)cmd;
byte[] datalengthBytes = BitConverter.GetBytes(dataBytes.Length);
for (int i = 0; i < 4; i++)
{
headerBuffer[2 + i] = datalengthBytes[i];
}
// Data:
// ============================================
for (int i = 0; i < dataBytes.Length; i++)
{
dataBuffer[1 + i] = dataBytes[i];
}
}
// ========= ========= ========= High level
public static async Task <TaskInfo> SendCommand(Scenarios.CommandType cmd, string Data, TcpClient client)
{
TaskInfo result;
try
{
byte[] headerBytes, commandBytes;
CommandSerialize(cmd, Data, out headerBytes, out commandBytes);
await client.GetStream().WriteAsync(headerBytes, 0, headerBytes.Length);
await client.GetStream().WriteAsync(commandBytes, 0, commandBytes.Length);
result = TaskInfo.Success("Command sent.");
}
catch (Exception ex)
{
result = TaskInfo.Fail(ex.ToString());
}
return(result);
}
