public DescribeStreamResponse GetStreamResponse(string streamName = null)
{
if (string.IsNullOrEmpty(streamName) && string.IsNullOrEmpty(_streamName))
{
throw new Exception("Please specify a stream name to get the stream response.");
}
var request = new DescribeStreamRequest()
{
StreamName = streamName ?? _streamName
};
return(AsyncHelper.RunSync(() => _client.DescribeStreamAsync(request)));
}
public async Task <DescribeStreamResponse> DescribeStream()
{
var describeStreamRequest = new DescribeStreamRequest
{
StreamName = _StreamName
};
return(await _AmazonKinesisClient.DescribeStreamAsync(describeStreamRequest));
}
private async Task ComputeShards()
{
var streamConfig = await _stream.DescribeStreamAsync(new DescribeStreamRequest
{
StreamName = StreamName
});
_shards = streamConfig.StreamDescription.Shards
.Where(shard => string.IsNullOrEmpty(shard.SequenceNumberRange.EndingSequenceNumber))
.Select(shard => shard.HashKeyRange.StartingHashKey).ToList();
}
static DescribeStreamResponse DescribeStream(IAmazonKinesis kinesisClient, string streamName)
{
var request = new DescribeStreamRequest {
StreamName = streamName
};
try
{
var describeStreamTask = kinesisClient.DescribeStreamAsync(request);
return(describeStreamTask.GetAwaiter().GetResult());
}
catch (ResourceNotFoundException)
{
return(null);
}
}
public void Start()
{
DescribeStreamRequest describeStreamRequest = new DescribeStreamRequest
{
Limit = 10,
StreamName = _streamName
};
var streamDescription = _client.DescribeStreamAsync(describeStreamRequest).Result;
var shards = streamDescription.StreamDescription.Shards;
_logger.LogInformation("Found {0} shards for stream {1}", shards.Count, _streamName);
_shardReaders.Clear();
foreach (Shard shard in shards)
{
StartReadingShart(shard);
}
}
private Amazon.Kinesis.Model.DescribeStreamResponse CallAWSServiceOperation(IAmazonKinesis client, Amazon.Kinesis.Model.DescribeStreamRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Kinesis", "DescribeStream");
try
{
#if DESKTOP
return(client.DescribeStream(request));
#elif CORECLR
return(client.DescribeStreamAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}
