/// <summary>
/// Reads incoming command requests and processes them. See <see cref="DuetAPI.Commands"/> namespace for a list
/// of supported commands. The actual implementations can be found in <see cref="Commands"/>.
/// </summary>
/// <returns>Asynchronous task</returns>
public override async Task Process()
{
do
{
try
{
// Read another command
DuetAPI.Commands.BaseCommand command = await Connection.ReceiveCommand();
if (command == null)
{
break;
}
if (!SupportedCommands.Contains(command.GetType()))
{
throw new ArgumentException($"Invalid command {command.Command} (wrong mode?)");
}
// Execute it and send back the result
object result = await command.Invoke();
await Connection.SendResponse(result);
}
catch (Exception e)
{
if (Connection.IsConnected)
{
// Inform the client about this error
await Connection.SendResponse(e);
Console.WriteLine(e);
}
else
{
throw;
}
}
} while (Connection.IsConnected);
}
/// <summary>
/// Reads incoming command requests and processes them. See <see cref="DuetAPI.Commands"/> namespace for a list
/// of supported commands. The actual implementations can be found in <see cref="Commands"/>.
/// </summary>
/// <returns>Asynchronous task</returns>
public override async Task Process()
{
DuetAPI.Commands.BaseCommand command = null;
do
{
try
{
// Read another command
command = await Connection.ReceiveCommand();
if (command == null)
{
break;
}
// Check if it is supported at all
if (!SupportedCommands.Contains(command.GetType()))
{
throw new ArgumentException($"Invalid command {command.Command} (wrong mode?)");
}
// Execute it and send back the result
object result = await command.Invoke();
await Connection.SendResponse(result);
}
catch (Exception e)
{
// Send errors back to the client
if (!(e is OperationCanceledException))
{
Console.WriteLine($"[err] Failed to execute command {command.Command}: {e}");
}
await Connection.SendResponse(e);
}
}while (!Program.CancelSource.IsCancellationRequested);
}
