public List <string> Read(string terminators = "\r\n\0")
{
logger.Debug($"Read start");
using (semaphore.UseOnce())
{
logger.Debug($"Read acquired semaphore");
int read;
try
{
using (TimeoutAction.Set(timeout, () => { Close(); logger.Debug($"Read timeout expired"); }))
read = socket.Receive(parser.Buffer, parser.Offset, parser.BufferLength, SocketFlags.None);
logger.Debug($"Read completed");
}
catch (Exception ex)
{
logger.Warn(ex);
Close();
throw new ConnectionLostException("Socket error", ex);
}
if (read == 0)
{
logger.Warn("Read recv returned zero bytes");
Close();
throw new ConnectionLostException("Recv returned zero bytes");
}
return(parser.Parse(read, terminators).ToList());
}
}
public void Should_execute_after_timeout()
{
var sw = Stopwatch.StartNew();
using (TimeoutAction.Set(100, () => sw.Stop()))
Thread.Sleep(2000);
sw.ElapsedMilliseconds.Should().BeInRange(0, 150);
}
protected virtual Task Connect(string host, int port, int timeout = DefaultConnectTimeout)
{
Logger.Information("Connect with {host}:{port} timeout {timeout}", host, port, timeout);
ThrowIfNotReady();
return(Task.Run(() =>
{
Logger.Debug("Connect task started");
using (sendReceiveSemaphore.UseOnce())
{
Logger.Debug("Connect task acquired semaphore");
var client = new Socket(SocketType.Stream, ProtocolType.Tcp);
using (TimeoutAction.Set(timeout, () => { client.CloseForce(); Logger.Debug("Timeout expired"); }))
client.ConnectAsync(host, port).Wait(timeout + 100);
Logger.Debug("Connect task socket connected");
stream = new ByteStream(client, receiveTimeout);
Logger.Debug("Connect task completed");
}
}));
}
public void Send(string data)
{
try
{
logger.Debug($"Send {data}");
semaphore.Wait();
logger.Debug($"Send acquired semaphore");
using (TimeoutAction.Set(timeout, () => { Close(); logger.Debug($"Send timeout expired"); }))
socket.Send(Encoding.ASCII.GetBytes(data));
logger.Debug($"Send completed");
}
catch (Exception ex)
{
logger.Warn(ex);
Close();
throw new ConnectionLostException("Could not send", ex);
}
finally
{
semaphore.Release();
}
}