/// <summary>
/// Opens the transport connection with the specified Uri and begins to read from the stream.
/// </summary>
/// <param name="uri"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException"></exception>
protected override async Task PerformOpenAsync(Uri uri, CancellationToken cancellationToken)
{
// TODO: It is required to call OpenAsync in a server transport, which doesn't make much sense. The server transport is passive and it will be always be open after its creation.
// We should refactor the transports to remove this need on the server side.
if (!_tcpClient.Connected)
{
if (uri == null)
{
throw new ArgumentNullException(nameof(uri), "The uri is mandatory for a not connected TCP client");
}
if (uri.Scheme != UriSchemeNetTcp)
{
throw new ArgumentException($"Invalid URI scheme. Expected is '{UriSchemeNetTcp}'.", nameof(uri));
}
if (string.IsNullOrWhiteSpace(_hostName))
{
_hostName = uri.Host;
}
await _tcpClient.ConnectAsync(uri.Host, uri.Port).ConfigureAwait(false);
}
_stream = _tcpClient.GetStream();
await _envelopePipe.StartAsync(cancellationToken);
}
protected override Task PerformOpenAsync(Uri uri, CancellationToken cancellationToken)
{
return(_envelopePipe.StartAsync(cancellationToken));
}