public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
// create request and set iteration invariants
var request = new Amazon.CloudWatchLogs.Model.DescribeLogStreamsRequest();
if (cmdletContext.Descending != null)
{
request.Descending = cmdletContext.Descending.Value;
}
if (cmdletContext.LogGroupName != null)
{
request.LogGroupName = cmdletContext.LogGroupName;
}
if (cmdletContext.LogStreamNamePrefix != null)
{
request.LogStreamNamePrefix = cmdletContext.LogStreamNamePrefix;
}
if (cmdletContext.OrderBy != null)
{
request.OrderBy = cmdletContext.OrderBy;
}
// Initialize loop variants and commence piping
System.String _nextToken = null;
int? _emitLimit = null;
int _retrievedSoFar = 0;
if (AutoIterationHelpers.HasValue(cmdletContext.NextToken))
{
_nextToken = cmdletContext.NextToken;
}
if (AutoIterationHelpers.HasValue(cmdletContext.Limit))
{
// The service has a maximum page size of 50. If the user has
// asked for more items than page max, and there is no page size
// configured, we rely on the service ignoring the set maximum
// and giving us 50 items back. If a page size is set, that will
// be used to configure the pagination.
// We'll make further calls to satisfy the user's request.
_emitLimit = cmdletContext.Limit;
}
var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
do
{
request.NextToken = _nextToken;
if (_emitLimit.HasValue)
{
int correctPageSize = AutoIterationHelpers.Min(50, _emitLimit.Value);
request.Limit = AutoIterationHelpers.ConvertEmitLimitToInt32(correctPageSize);
}
CmdletOutput output;
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
if (!useParameterSelect)
{
pipelineOutput = cmdletContext.Select(response, this);
}
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
int _receivedThisCall = response.LogStreams.Count;
_nextToken = response.NextToken;
_retrievedSoFar += _receivedThisCall;
if (_emitLimit.HasValue)
{
_emitLimit -= _receivedThisCall;
}
}
catch (Exception e)
{
if (_retrievedSoFar == 0 || !_emitLimit.HasValue)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
else
{
break;
}
}
ProcessOutput(output);
} while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken) && (!_emitLimit.HasValue || _emitLimit.Value >= 1));
if (useParameterSelect)
{
WriteObject(cmdletContext.Select(null, this));
}
return(null);
}
private Amazon.CloudWatchLogs.Model.DescribeLogStreamsResponse CallAWSServiceOperation(IAmazonCloudWatchLogs client, Amazon.CloudWatchLogs.Model.DescribeLogStreamsRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon CloudWatch Logs", "DescribeLogStreams");
try
{
#if DESKTOP
return(client.DescribeLogStreams(request));
#elif CORECLR
return(client.DescribeLogStreamsAsync(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;
}
}
/// <summary>
/// Paginator for DescribeLogStreams operation
///</summary>
public IDescribeLogStreamsPaginator DescribeLogStreams(DescribeLogStreamsRequest request)
{
return(new DescribeLogStreamsPaginator(this.client, request));
}
public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
#pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
#pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
// create request and set iteration invariants
var request = new Amazon.CloudWatchLogs.Model.DescribeLogStreamsRequest();
if (cmdletContext.Descending != null)
{
request.Descending = cmdletContext.Descending.Value;
}
if (cmdletContext.Limit != null)
{
request.Limit = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.Limit.Value);
}
if (cmdletContext.LogGroupName != null)
{
request.LogGroupName = cmdletContext.LogGroupName;
}
if (cmdletContext.LogStreamNamePrefix != null)
{
request.LogStreamNamePrefix = cmdletContext.LogStreamNamePrefix;
}
if (cmdletContext.OrderBy != null)
{
request.OrderBy = cmdletContext.OrderBy;
}
// Initialize loop variant and commence piping
var _nextToken = cmdletContext.NextToken;
var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
do
{
request.NextToken = _nextToken;
CmdletOutput output;
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
if (!useParameterSelect)
{
pipelineOutput = cmdletContext.Select(response, this);
}
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
_nextToken = response.NextToken;
}
catch (Exception e)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
ProcessOutput(output);
} while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken));
if (useParameterSelect)
{
WriteObject(cmdletContext.Select(null, this));
}
return(null);
}
/// <summary>
/// Returns all the log streams that are associated with the specified log group. The
/// list returned in the response is ASCII-sorted by log stream name.
///
///
/// <para>
/// By default, this operation returns up to 50 log streams. If there are more log streams
/// to list, the response would contain a <code class="code">nextToken</code> value in
/// the response body. You can also limit the number of log streams returned in the response
/// by specifying the <code class="code">limit</code> parameter in the request. This operation
/// has a limit of five transactions per second, after which transactions are throttled.
///
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams service method.</param>
///
/// <returns>The response from the DescribeLogStreams service method, as returned by CloudWatchLogs.</returns>
/// <exception cref="Amazon.CloudWatchLogs.Model.InvalidParameterException">
/// Returned if a parameter of the request is incorrectly specified.
/// </exception>
/// <exception cref="Amazon.CloudWatchLogs.Model.ResourceNotFoundException">
/// Returned if the specified resource does not exist.
/// </exception>
/// <exception cref="Amazon.CloudWatchLogs.Model.ServiceUnavailableException">
/// Returned if the service cannot complete the request.
/// </exception>
public DescribeLogStreamsResponse DescribeLogStreams(DescribeLogStreamsRequest request)
{
var marshaller = new DescribeLogStreamsRequestMarshaller();
var unmarshaller = DescribeLogStreamsResponseUnmarshaller.Instance;
return Invoke<DescribeLogStreamsRequest,DescribeLogStreamsResponse>(request, marshaller, unmarshaller);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeLogStreams operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams 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<DescribeLogStreamsResponse> DescribeLogStreamsAsync(DescribeLogStreamsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeLogStreamsRequestMarshaller();
var unmarshaller = DescribeLogStreamsResponseUnmarshaller.Instance;
return InvokeAsync<DescribeLogStreamsRequest,DescribeLogStreamsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeLogStreams operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams operation on AmazonCloudWatchLogsClient.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndDescribeLogStreams
/// operation.</returns>
public IAsyncResult BeginDescribeLogStreams(DescribeLogStreamsRequest request, AsyncCallback callback, object state)
{
var marshaller = new DescribeLogStreamsRequestMarshaller();
var unmarshaller = DescribeLogStreamsResponseUnmarshaller.Instance;
return BeginInvoke<DescribeLogStreamsRequest>(request, marshaller, unmarshaller,
callback, state);
}
void Writer(object sender, ElapsedEventArgs e)
{
try
{
var logEvents = new List<InputLogEvent>();
var more = true;
while (more)
{
InputLogEvent item;
more = items.TryTake(out item);
if (more)
logEvents.Add(item);
}
if (logEvents.Count == 0)
return;
if (!Settings.Default.SendUsageData)
return;
using (var logs = new AmazonCloudWatchLogsClient(AwsKeys.AccessKey, AwsKeys.SecretKey, RegionEndpoint.APSoutheast2))
{
var request = new PutLogEventsRequest(AwsKeys.GroupName, LogStreamName, logEvents);
var describeLogStreamsRequest = new DescribeLogStreamsRequest(AwsKeys.GroupName);
var describeLogStreamsResponse = logs.DescribeLogStreams(describeLogStreamsRequest);
var logStreams = describeLogStreamsResponse.LogStreams;
var logStream = logStreams.FirstOrDefault(ls => ls.LogStreamName == LogStreamName);
if (logStream != null)
{
var token = logStream.UploadSequenceToken;
request.SequenceToken = token;
checkResponse(logs.PutLogEvents(request));
}
else
{
var createRequest = new CreateLogStreamRequest(AwsKeys.GroupName, LogStreamName);
checkResponse(logs.CreateLogStream(createRequest));
checkResponse(logs.PutLogEvents(request));
}
}
}
catch(Exception ee)
{
TraceInfo.WriteLine(ee.Message);
TraceDebug.WriteLine(ee.StackTrace);
}
finally
{
if(timer != null)
timer.Start();
}
}
internal DescribeLogStreamsPaginator(IAmazonCloudWatchLogs client, DescribeLogStreamsRequest request)
{
this._client = client;
this._request = request;
}
IAsyncResult invokeDescribeLogStreams(DescribeLogStreamsRequest request, AsyncCallback callback, object state, bool synchronized)
{
var marshaller = new DescribeLogStreamsRequestMarshaller();
var unmarshaller = DescribeLogStreamsResponseUnmarshaller.Instance;
return Invoke(request, callback, state, synchronized, marshaller, unmarshaller, signer);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeLogStreams operation.
/// <seealso cref="Amazon.CloudWatchLogs.IAmazonCloudWatchLogs"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams operation on AmazonCloudWatchLogsClient.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndDescribeLogStreams
/// operation.</returns>
public IAsyncResult BeginDescribeLogStreams(DescribeLogStreamsRequest request, AsyncCallback callback, object state)
{
return invokeDescribeLogStreams(request, callback, state, false);
}
/// <summary>
/// Returns all the log streams that are associated with the specified log group. The
/// list returned in the response is ASCII-sorted by log stream name.
///
///
/// <para>
/// By default, this operation returns up to 50 log streams. If there are more log streams
/// to list, the response would contain a <code class="code">nextToken</code> value in
/// the response body. You can also limit the number of log streams returned in the response
/// by specifying the <code class="code">limit</code> parameter in the request.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams service method.</param>
///
/// <returns>The response from the DescribeLogStreams service method, as returned by CloudWatchLogs.</returns>
/// <exception cref="InvalidParameterException">
/// Returned if a parameter of the request is incorrectly specified.
/// </exception>
/// <exception cref="ResourceNotFoundException">
/// Returned if the specified resource does not exist.
/// </exception>
/// <exception cref="ServiceUnavailableException">
/// Returned if the service cannot complete the request.
/// </exception>
public DescribeLogStreamsResponse DescribeLogStreams(DescribeLogStreamsRequest request)
{
IAsyncResult asyncResult = invokeDescribeLogStreams(request, null, null, true);
return EndDescribeLogStreams(asyncResult);
}
/// <summary>
/// Returns all the log streams that are associated with the specified log group. The
/// list returned in the response is ASCII-sorted by log stream name.
///
///
/// <para>
/// By default, this operation returns up to 50 log streams. If there are more log streams
/// to list, the response would contain a <code class="code">nextToken</code> value in
/// the response body. You can also limit the number of log streams returned in the response
/// by specifying the <code class="code">limit</code> parameter in the request.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the DescribeLogStreams service method.</param>
///
/// <returns>The response from the DescribeLogStreams service method, as returned by CloudWatchLogs.</returns>
/// <exception cref="InvalidParameterException">
/// Returned if a parameter of the request is incorrectly specified.
/// </exception>
/// <exception cref="ResourceNotFoundException">
/// Returned if the specified resource does not exist.
/// </exception>
/// <exception cref="ServiceUnavailableException">
/// Returned if the service cannot complete the request.
/// </exception>
public DescribeLogStreamsResponse DescribeLogStreams(DescribeLogStreamsRequest request)
{
var task = DescribeLogStreamsAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
ExceptionDispatchInfo.Capture(e.InnerException).Throw();
return null;
}
}
