/// <summary>
/// 查询通道详情
/// </summary>
/// <param name="streamName">通道名称 </param>
/// <param name="startPartitionId">起始分区ID </param>
/// <param name="limitPartitions">单次请求返回的最大分区数 </param>
/// <returns></returns>
public static DescribeStreamResult DescribeStream(string streamName, string startPartitionId, int?limitPartitions)
{
DescribeStreamResult response = null;
var dic = new DISIngestionClient();
var request = new DescribeStreamRequest {
StreamName = streamName
};
if (!string.IsNullOrWhiteSpace(startPartitionId))
{
//从该分区值开始返回分区列表，返回的分区列表不包括此分区
request.StartPartitionId = startPartitionId;
}
if (limitPartitions != null)
{
//单次请求返回的最大分区数
request.LimitPartitions = limitPartitions.Value;
}
response = dic.DescribeStream(request);
var responseJson = JsonConvert.SerializeObject(response);
Console.WriteLine(responseJson);
return(response);
}
/// <summary>
/// This method waits a maximum of 10 minutes for the specified stream to become active.
/// <param name="myStreamName">Name of the stream whose active status is waited upon.</param>
/// </summary>
private static void WaitForStreamToBecomeAvailable(string myStreamName)
{
var deadline = DateTime.UtcNow + TimeSpan.FromMinutes(10);
while (DateTime.UtcNow < deadline)
{
DescribeStreamRequest describeStreamReq = new DescribeStreamRequest();
describeStreamReq.StreamName = myStreamName;
DescribeStreamResult describeResult = kinesisClient.DescribeStream(describeStreamReq);
string streamStatus = describeResult.StreamDescription.StreamStatus;
Console.Error.WriteLine(" - current state: " + streamStatus);
if (streamStatus == StreamStatus.ACTIVE)
{
return;
}
Thread.Sleep(TimeSpan.FromSeconds(20));
}
throw new Exception("Stream " + myStreamName + " never went active.");
}
