/// <summary>
/// Connect Request, this function is used for establishing the connection
/// </summary>
/// <param name="remoteAddress">address of the remote unit</param>
/// <returns>Success:
/// Operation accomplished successfully
/// NoConnection:
/// Connection cannot be established.</returns>
/// <exception cref="System.InvalidOperationException">Connected</exception>
/// <exception cref="System.ArgumentException">Wrong address format type</exception>
public TConnectReqRes ConnectReq(IAddress remoteAddress)
{
if (Connected)
{
throw new InvalidOperationException($"Operation {nameof(Connected)} is not allowed because the connection has been instantiated already");
}
if (!(remoteAddress.address is string))
{
throw new ArgumentException("Wrong address format type");
}
if (string.IsNullOrEmpty((string)remoteAddress.address))
{
return(TConnectReqRes.NoConnection);
}
m_Observable = new DataObservable((string)remoteAddress.address, m_TextReaderProtocolParameters, TraceSource);
m_Observer = m_Observable
.Buffer <IDataEntity>(TimeSpan.FromMilliseconds(m_TextReaderProtocolParameters.FileModificationNotificationTimeout), 1)
.Subscribe <IList <IDataEntity> >
(
x => NotifyNewData(x),
exception => ExceptionHandler(exception),
() => { Connected = false; m_Observable.Dispose(); }
);
Connected = true;
return(TConnectReqRes.Success);
}
public void DataObservableTest()
{
Assert.IsTrue(File.Exists(_fileName));
List <IDataEntity> _buffer = new List <IDataEntity>();
Stopwatch _watch = Stopwatch.StartNew();
TestTraceSource _trace = new TestTraceSource();
using (DataObservable _dataSource = new DataObservable(_fileName, TestTextReaderProtocolParameters.InstanceData(), _trace))
{
Exception _exception = null;
int _nextExecutedCount = 0;
Assert.AreEqual <double>(1000, TestTextReaderProtocolParameters.InstanceData().DelayFileScan);
using (IDisposable _client = _dataSource
.Do <IDataEntity>(x => _nextExecutedCount++)
.Subscribe(x => { _buffer.Add(x); _watch.Stop(); }, exception => _exception = exception))
{
Assert.AreEqual <int>(0, _buffer.Count);
string[] _content = File.ReadAllLines(_fileName);
Assert.AreEqual <int>(2422, _content.Length);
File.WriteAllLines(_fileName, _content);
Thread.Sleep(2200);
Assert.IsNull(_exception, $"{_exception}");
Assert.AreEqual <int>(1, _trace.TraceBuffer.Count);
Console.WriteLine(_trace.TraceBuffer[0].ToString());
Assert.AreEqual <int>(1, _nextExecutedCount, $"Execution cout: {_nextExecutedCount}");
Assert.AreEqual <int>(1, _buffer.Count);
Assert.AreEqual <int>(39, _buffer[0].Tags.Length);
Assert.AreEqual <string>("09-12-16", _buffer[0].Tags[0]);
Assert.AreEqual <string>("09:24:02", _buffer[0].Tags[1]);
Assert.AreEqual <string>("", _buffer[0].Tags[38]);
Assert.IsTrue(_watch.ElapsedMilliseconds > 2000, $"Elapsed: {_watch.ElapsedMilliseconds}"); //1000nS for Buffer + 1000 for Delay
Console.WriteLine($"Time execution: {_watch.ElapsedMilliseconds}");
}
}
}
private bool m_DisposedValue = false; // To detect redundant calls
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (m_DisposedValue)
{
return;
}
if (disposing)
{
m_Observer?.Dispose();
m_Observable?.Dispose();
m_Observer = null;
m_Observable = null;
}
m_DisposedValue = true;
}