/// <summary>
/// Invokes ThrowOrIgnore of handlers in the pipeline ony by one.
/// </summary>
/// <param name="context">The context associated with the current call.</param>
/// <param name="detail">The exception details.</param>
protected override void ThrowOrIgnoreCore(ClientCallInterceptorContext context, ClientFaultDetail detail)
{
for (var i = 0; i < _pipeline.Count; i++)
{
var handler = _pipeline[i];
handler.ThrowOrIgnore(context, detail);
}
}
/// <summary>
/// If current call is cancelled invokes OnOperationCancelled, otherwise invokes ThrowOrIgnoreCore.
/// </summary>
/// <param name="context">The context associated with the current call.</param>
/// <param name="detail">The exception details.</param>
public virtual void ThrowOrIgnore(ClientCallInterceptorContext context, ClientFaultDetail detail)
{
// the request is already aborted, no extra details are available from server
if (IsOperationCancelled(context, detail.OriginalError))
{
OnOperationCancelled(context, detail.OriginalError);
}
ThrowOrIgnoreCore(context, detail);
}
public void BeforeEachTest()
{
_sut = new Mock <ClientErrorHandlerBase> {
CallBase = true
};
_tokenSource = new CancellationTokenSource();
var method = new Mock <IMethod>(MockBehavior.Strict);
_callContext = new ClientCallInterceptorContext(new CallOptions(new Metadata(), cancellationToken: _tokenSource.Token), null, method.Object);
_faultDetail = new ClientFaultDetail(new RpcException(Status.DefaultCancelled), new object());
}
/// <summary> /// Handle the exception that was raised by <see cref="CallInvoker"/>. /// </summary> /// <param name="context">The context associated with the current call.</param> /// <param name="detail">The exception details.</param> protected abstract void ThrowOrIgnoreCore(ClientCallInterceptorContext context, ClientFaultDetail detail);
/// <summary>
/// Enables custom action when call is cancelled.
/// Call is already aborted by a client, no external detail is available.
/// </summary>
/// <param name="context">The context associated with the current call.</param>
/// <param name="error">The original <see cref="RpcException"/> raised by <see cref="CallInvoker"/>.</param>
protected virtual void OnOperationCancelled(ClientCallInterceptorContext context, RpcException error)
{
throw new OperationCanceledException(null, error, context.CallOptions.CancellationToken);
}
/// <summary>
/// Return true is the current call was cancelled.
/// </summary>
/// <param name="context">The context associated with the current call.</param>
/// <param name="error">The original <see cref="RpcException"/> raised by <see cref="CallInvoker"/>.</param>
/// <returns>True if current call was cancelled, otherwise false.</returns>
public static bool IsOperationCancelled(ClientCallInterceptorContext context, RpcException error)
{
return(context.CallOptions.CancellationToken.IsCancellationRequested);
}
