private async Task <bool> ExecSendCommand()
{
#region TCP listener
//var communicationInterface = new CommunicationsInterface();
//var allInterfaces = communicationInterface.GetAllInterfaces();
//var networkInterface = allInterfaces.FirstOrDefault(x => x.IpAddress == Address);
//tcpListener = new TcpSocketListener();
//var obseravbleListener = await tcpListener.CreateObservableListener(80, networkInterface, false);
//var subscriberTcpListener = obseravbleListener.Subscribe(
//client =>
//{
// //Insert your code here
//},
//ex =>
//{
// // Insert your exception code here
// Console.WriteLine("Error!");
//},
//() =>
//{
// // Insert your completed code here
// Console.WriteLine("End!");
//});
#endregion
var command = $"{Command}\n";
var tcpClient = new TcpSocketClient();
var ok = false;
using (var sending = UserDialogs.Instance.Loading("Invio..."))
{
ok = await AsyncHelper.DoFunc(async() =>
{
await tcpClient.ConnectAsync(Address, Port);
var bytes = Encoding.ASCII.GetBytes(command);
await tcpClient.WriteStream.WriteAsync(bytes, 0, bytes.Length);
}, "Problema invio comando");
}
//se l'invio non è andato a buon fine non aspetto la risposta
if (!ok)
{
return(false);
}
//do tempo ad arduino di scrivere la risposta
await Task.Delay(TimeSpan.FromSeconds(3));
//verifico di essere ancora connesso
if (tcpClient.IsConnected)
{
using (var receiving = UserDialogs.Instance.Loading("Ricezione..."))
{
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(2));
ok = await AsyncHelper.DoFunc(async() =>
{
if (tcpClient.ReadStream.CanRead)
{
var bytes = await((NetworkStream)tcpClient.ReadStream).ReadFullyAsync(cts.Token);
Response = Encoding.ASCII.GetString(bytes);
}
}, "Problema in ricezione", "Ricevuto!");
}
tcpClient.Disconnect();
}
else
{
ok = false;
}
return(ok);
}
