/// <summary>
/// Completes an asynchronous operation to return a, possibly converted, <see cref="XmlMessage"/>-based response to a
/// relayed <see cref="XmlMessage"/>-based request.
/// </summary>
/// <typeparam name="TResponse">
/// The type of the <see cref="XmlMessage"/>-based response.
/// </typeparam>
/// <param name="asyncResult">
/// The <see cref="IAsyncResult"/> returned by a call to the <see
/// cref="BeginRelayRequest{TRequest}(TRequest,AsyncCallback,object)"/> method.
/// </param>
/// <returns>
/// The <see cref="XmlMessage"/>-based response.
/// </returns>
protected TResponse EndRelayRequest <TResponse>(IAsyncResult asyncResult)
where TResponse : XmlMessage, new()
{
if (asyncResult == null)
{
throw new ArgumentNullException(nameof(asyncResult));
}
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Beginning relaying asynchronous response {0}.", typeof(TResponse).Name);
}
ClientRelay clientRelay = null;
try
{
var wrappedAsyncResult = ((AsyncResultWrapper)asyncResult).WrappedAsyncResult;
clientRelay = (ClientRelay)wrappedAsyncResult.AsyncState;
var response = clientRelay.EndRequest <TResponse>(wrappedAsyncResult);
clientRelay.Close();
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Relaying asynchronous response {0} succeeded.", response);
}
return(response);
}
catch (Exception exception)
{
if (_logger.IsWarnEnabled)
{
_logger.Warn($"Relaying asynchronous response {typeof(TResponse).Name} failed.", exception);
}
clientRelay?.Abort();
throw;
}
}
private TResponse RelayRequest <TRequest, TResponse>(TRequest request, Func <ClientRelay, TimeSpan> getTimeout, IXmlMessageConverter converter)
where TRequest : XmlMessage
where TResponse : XmlMessage, new()
{
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Relaying synchronous request {0}.", request);
}
ClientRelay clientRelay = null;
try
{
clientRelay = _clientRelayFactory();
var response = clientRelay.Request <TRequest, TResponse>(request, getTimeout(clientRelay), converter);
clientRelay.Close();
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Relaying synchronous response {0} succeeded.", response);
}
return(response);
}
catch (Exception exception)
{
if (_logger.IsWarnEnabled)
{
_logger.Warn($"Relaying synchronous response {typeof(TResponse).Name} failed.", exception);
}
clientRelay?.Abort();
throw;
}
}
private IAsyncResult BeginRelayRequest <TRequest>(
TRequest request,
Func <ClientRelay, TimeSpan> getTimeout,
IXmlMessageConverter converter,
AsyncCallback asyncCallback,
object asyncState)
where TRequest : XmlMessage
{
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Beginning relaying asynchronous request {0}.", request);
}
ClientRelay clientRelay = null;
try
{
clientRelay = _clientRelayFactory();
var ar = clientRelay.BeginRequest(
request,
getTimeout(clientRelay),
converter,
asyncResult => asyncCallback(new AsyncResultWrapper(asyncResult, asyncState)),
clientRelay);
if (_logger.IsInfoEnabled)
{
_logger.InfoFormat("Relaying asynchronous request {0} succeeded.", typeof(TRequest).Name);
}
return(ar);
}
catch (Exception exception)
{
if (_logger.IsWarnEnabled)
{
_logger.Warn($"Relaying asynchronous request {typeof(TRequest).Name} failed.", exception);
}
clientRelay?.Abort();
throw;
}
}