/// <summary>
/// Initiates the asynchronous execution of the DescribeMetricFilters operation.
/// <seealso cref="Amazon.CloudWatchLogs.IAmazonCloudWatchLogs"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeMetricFilters operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public Task <DescribeMetricFiltersResponse> DescribeMetricFiltersAsync(DescribeMetricFiltersRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeMetricFiltersRequestMarshaller();
var unmarshaller = DescribeMetricFiltersResponseUnmarshaller.Instance;
return(Invoke <IRequest, DescribeMetricFiltersRequest, DescribeMetricFiltersResponse>(request, marshaller, unmarshaller, signer, cancellationToken));
}
internal DescribeMetricFiltersResponse DescribeMetricFilters(DescribeMetricFiltersRequest request)
{
var marshaller = new DescribeMetricFiltersRequestMarshaller();
var unmarshaller = DescribeMetricFiltersResponseUnmarshaller.Instance;
return(Invoke <DescribeMetricFiltersRequest, DescribeMetricFiltersResponse>(request, marshaller, unmarshaller));
}
public async Task DescribeMetricFiltersTest_TwoResponses()
{
var request = new DescribeMetricFiltersRequest();
var firstResponse = new DescribeMetricFiltersResponse()
{
NextToken = "foo"
};
var secondResponse = new DescribeMetricFiltersResponse()
{
NextToken = null
};
var token = new CancellationToken();
_mockClient.SetupSequence(x => x.DescribeMetricFiltersAsync(It.IsAny <DescribeMetricFiltersRequest>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(firstResponse)
.ReturnsAsync(secondResponse);
var numResponses = 0;
await foreach (var desination in _mockClient.Object.Paginators.DescribeMetricFilters(request).Responses.WithCancellation(token))
{
numResponses += 1;
}
Assert.Equal(2, numResponses);
}
public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
{
AmazonCloudWatchLogsConfig config = new AmazonCloudWatchLogsConfig();
config.RegionEndpoint = region;
ConfigureClient(config);
AmazonCloudWatchLogsClient client = new AmazonCloudWatchLogsClient(creds, config);
DescribeMetricFiltersResponse resp = new DescribeMetricFiltersResponse();
do
{
DescribeMetricFiltersRequest req = new DescribeMetricFiltersRequest
{
NextToken = resp.NextToken
,
Limit = maxItems
};
resp = client.DescribeMetricFilters(req);
CheckError(resp.HttpStatusCode, "200");
foreach (var obj in resp.MetricFilters)
{
AddObject(obj);
}
}while (!string.IsNullOrEmpty(resp.NextToken));
}
internal DescribeMetricFiltersResponse DescribeMetricFilters(DescribeMetricFiltersRequest request)
{
var task = DescribeMetricFiltersAsync(request);
try
{
return(task.Result);
}
catch (AggregateException e)
{
ExceptionDispatchInfo.Capture(e.InnerException).Throw();
return(null);
}
}
public async Task DescribeMetricFiltersTest__OnlyUsedOnce()
{
var request = new DescribeMetricFiltersRequest();
var response = new DescribeMetricFiltersResponse();
var token = new CancellationToken();
var paginator = _mockClient.Object.Paginators.DescribeMetricFilters(request);
_mockClient.Setup(x => x.DescribeMetricFiltersAsync(It.IsAny <DescribeMetricFiltersRequest>(), It.IsAny <CancellationToken>())).ReturnsAsync(response);
// Should work the first time
await LoopOverMetricFilters(paginator, token);
// Second time should throw an exception
await Assert.ThrowsAsync <System.InvalidOperationException>(async() => await LoopOverMetricFilters(paginator, token));
}
public async Task DescribeMetricFiltersTest__CancellationToken()
{
var request = new DescribeMetricFiltersRequest();
var firstResponse = new DescribeMetricFiltersResponse()
{
NextToken = "foo"
};
var secondResponse = new DescribeMetricFiltersResponse()
{
NextToken = null
};
var paginator = _mockClient.Object.Paginators.DescribeMetricFilters(request);
var tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
tokenSource.Cancel();
_mockClient.SetupSequence(x => x.DescribeMetricFiltersAsync(It.IsAny <DescribeMetricFiltersRequest>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(firstResponse)
.ReturnsAsync(secondResponse);
await Assert.ThrowsAsync <OperationCanceledException>(async() => await LoopOverMetricFilters(paginator, token));
}
