/// <summary>
/// Report the current statistics of sampling rules and
/// get back the new assigned quota/TTL/Interval from the X-Ray service.
/// The call is proxied and signed via X-Ray Daemon.
/// </summary>
/// <param name="rules">List of <see cref="SamplingRule"/>.</param>
/// <returns>Instance of <see cref="GetSamplingRulesResponse"/>.</returns>
public async Task <GetSamplingTargetsResponse> GetSamplingTargets(List <SamplingRule> rules)
{
DateTime currentTime = TimeStamp.CurrentDateTime();
List <SamplingStatisticsDocumentModel> samplingStatisticsDocumentModels = GetSamplingStatisticsDocuments(rules, currentTime);
var samplingStatisticsModel = new SamplingStatisticsModel();
samplingStatisticsModel.SamplingStatisticsDocuments = samplingStatisticsDocumentModels;
string requestContent = JsonMapper.ToJson(samplingStatisticsModel); // Marshall SamplingStatisticsDocument to json
Task <string> responseTask;
lock (_xrayClientLock)
{
RefreshEndPoint();
responseTask = GetSamplingInfoAsync(_xrayConfig.ServiceURL + "/SamplingTargets", requestContent);
}
var responseContent = await responseTask;
var samplingTargetResponse = UnmarshallSamplingTargetResponse(responseContent);
var targetList = ConvertTargetList(samplingTargetResponse.SamplingTargetDocuments);
GetSamplingTargetsResponse result = new GetSamplingTargetsResponse(targetList);
result.RuleFreshness = new TimeStamp(ConvertDoubleToDateTime(samplingTargetResponse.LastRuleModification));
return(result);
}
public void TestMarshallSamplingStatisticsDocumentsWithEmptyItems()
{
var samplingStatisticsModel = new SamplingStatisticsModel();
var expected = "{\"SamplingStatisticsDocuments\":[]}";
var actual = JsonMapper.ToJson(samplingStatisticsModel);
Assert.AreEqual(expected, actual);
}
public void TestMarshallSamplingStatisticsDocumentsWithEmptyValues()
{
var samplingStatisticsModel = new SamplingStatisticsModel();
var samplingStatisticsDocumentModel = new SamplingStatisticsDocumentModel();
samplingStatisticsModel.SamplingStatisticsDocuments.Add(samplingStatisticsDocumentModel);
var expected = "{\"SamplingStatisticsDocuments\":[{\"ClientID\":null,\"RuleName\":null,\"RequestCount\":null,\"SampledCount\":null,\"BorrowCount\":null,\"Timestamp\":null}]}";
var actual = JsonMapper.ToJson(samplingStatisticsModel);
Assert.AreEqual(expected, actual);
}
public void TestMarshallSamplingStatisticsDocuments()
{
var samplingStatisticsModel = new SamplingStatisticsModel();
var samplingStatisticsDocumentModel = new SamplingStatisticsDocumentModel
{
ClientID = "07492221d7fd13a86e750de2",
RuleName = "Test",
RequestCount = 108,
SampledCount = 4,
BorrowCount = 6,
Timestamp = 1604297926.362
};
samplingStatisticsModel.SamplingStatisticsDocuments.Add(samplingStatisticsDocumentModel);
var expected = "{\"SamplingStatisticsDocuments\":[{\"ClientID\":\"07492221d7fd13a86e750de2\",\"RuleName\":\"Test\",\"RequestCount\":108,\"SampledCount\":4,\"BorrowCount\":6,\"Timestamp\":1604297926.362}]}";
var actual = JsonMapper.ToJson(samplingStatisticsModel);
Assert.AreEqual(expected, actual);
}
