public async Task <string> Execute(ICommand command, int timeout = 500)
{
byte[] bytes = null;
try
{
await port.Send(command.GetKey());
bytes = await port.Receive(timeout);
}
catch (Exception exc)
{
throw exc;
}
var response = System.Text.Encoding.UTF8.GetString(bytes);
if (command.IsExpected(response))
{
return(response.Replace("\r\n", ""));
}
else
{
throw new NotValidResponseException(response);
}
}
/// <summary>
/// Receive bytes from the serial port and relay them to the client.
/// </summary>
private async Task Receive(HttpListenerContext context)
{
byte[] buffer = new byte[10 * 1000];
int length = await port.Receive(buffer, 0, buffer.Length);
string responseHex = buffer.ToHex(length);
this.logger.AddUserMessage("HTTP response: " + responseHex);
var writer = new StreamWriter(context.Response.OutputStream);
await writer.WriteLineAsync(responseHex);
await writer.FlushAsync();
}
byte[] Receive(out IPEndPoint receivedEndpoint)
{
var(data, hostEndpoint) = port.Receive();
receivedEndpoint = hostEndpoint;
return(data);
}
