public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default)
{
CosmosDiagnosticsContext diagnostics = CosmosDiagnosticsContext.Create(this.requestOptions);
using (diagnostics.CreateOverallScope("QueryReadNextAsync"))
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
CosmosQueryContext cosmosQueryContext = this.cosmosQueryContext;
foreach (QueryPageDiagnostics queryPage in responseCore.Diagnostics)
{
diagnostics.AddDiagnosticsInternal(queryPage);
}
QueryResponse queryResponse;
if (responseCore.IsSuccess)
{
queryResponse = QueryResponse.CreateSuccess(
result: responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
diagnostics: diagnostics,
serializationOptions: this.cosmosSerializationFormatOptions,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
else
{
queryResponse = QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
cosmosException: responseCore.CosmosException,
requestMessage: null,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
return(queryResponse);
}
}
public void ValidateDiagnosticsContext()
{
CosmosDiagnosticsContext cosmosDiagnostics = new CosmosDiagnosticsContext();
string diagnostics = cosmosDiagnostics.ToString();
//Test the default user agent string
JObject jObject = JObject.Parse(diagnostics);
JToken summary = jObject["Summary"];
Assert.IsTrue(summary["UserAgent"].ToString().Contains("cosmos-netstandard-sdk"), "Diagnostics should have user agent string");
Assert.AreEqual("[]", jObject["Context"].ToString());
// Test all the different operations on diagnostics context
cosmosDiagnostics.Summary.AddSdkRetry(TimeSpan.FromSeconds(42));
using (cosmosDiagnostics.CreateOverallScope("OverallScope"))
{
Thread.Sleep(TimeSpan.FromSeconds(1));
using (cosmosDiagnostics.CreateScope("ValidateScope"))
{
Thread.Sleep(TimeSpan.FromSeconds(1));
}
}
cosmosDiagnostics.Summary.SetSdkUserAgent("MyCustomUserAgentString");
string result = cosmosDiagnostics.ToString();
string regex = @"\{""Summary"":\{""StartUtc"":"".+Z"",""ElapsedTime"":""00:00:.+"",""UserAgent"":""MyCustomUserAgentString"",""RetryCount"":1,""RetryBackOffTime"":""00:00:42""\},""Context"":\[\{""Id"":""OverallScope"",""ElapsedTime"":""00:00:.+""\},\{""Id"":""ValidateScope"",""ElapsedTime"":""00:00:.+""\}\]\}";
Assert.IsTrue(Regex.IsMatch(result, regex), result);
JToken jToken = JToken.Parse(result);
TimeSpan total = jToken["Summary"]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(total > TimeSpan.FromSeconds(2));
TimeSpan overalScope = jToken["Context"][0]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(total == overalScope);
TimeSpan innerScope = jToken["Context"][1]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(innerScope > TimeSpan.FromSeconds(1));
}
public void ValidateDiagnosticsContext()
{
CosmosDiagnosticsContext cosmosDiagnostics = CosmosDiagnosticsContext.Create();
string diagnostics = cosmosDiagnostics.ToString();
//Test the default user agent string
JObject jObject = JObject.Parse(diagnostics);
JToken summary = jObject["Summary"];
Assert.IsTrue(summary["UserAgent"].ToString().Contains("cosmos-netstandard-sdk"), "Diagnostics should have user agent string");
Assert.AreEqual("[]", jObject["Context"].ToString());
// Test all the different operations on diagnostics context
using (cosmosDiagnostics.CreateOverallScope("OverallScope"))
{
Thread.Sleep(TimeSpan.FromSeconds(1));
using (cosmosDiagnostics.CreateScope("ValidateScope"))
{
Thread.Sleep(TimeSpan.FromSeconds(1));
cosmosDiagnostics.AddDiagnosticsInternal(new PointOperationStatistics(
new Guid("692ab2f2-41ba-486b-aad7-8c7c6c52379f").ToString(),
(HttpStatusCode)429,
Documents.SubStatusCodes.Unknown,
42,
null,
HttpMethod.Get,
new Uri("http://MockUri.com"),
null,
null,
null));
}
using (cosmosDiagnostics.CreateScope("SuccessScope"))
{
cosmosDiagnostics.AddDiagnosticsInternal(new PointOperationStatistics(
new Guid("de09baab-71a4-4897-a163-470711c93ed3").ToString(),
HttpStatusCode.OK,
Documents.SubStatusCodes.Unknown,
42,
null,
HttpMethod.Get,
new Uri("http://MockUri.com"),
null,
null,
null));
}
}
cosmosDiagnostics.SetSdkUserAgent("MyCustomUserAgentString");
string result = cosmosDiagnostics.ToString();
string regex = @"\{""Summary"":\{""StartUtc"":"".+Z"",""ElapsedTime"":""00:00:.+"",""UserAgent"":""MyCustomUserAgentString"",""TotalRequestCount"":2,""FailedRequestCount"":1\},""Context"":\[\{""Id"":""OverallScope"",""ElapsedTime"":""00:00:0.+""\},\{""Id"":""ValidateScope"",""ElapsedTime"":""00:00:0.+""\},\{""Id"":""PointOperationStatistics"",""ActivityId"":""692ab2f2-41ba-486b-aad7-8c7c6c52379f"",""StatusCode"":429,""SubStatusCode"":0,""RequestCharge"":42.0,""RequestUri"":""http://MockUri.com"",""RequestSessionToken"":null,""ResponseSessionToken"":null\},\{""Id"":""SuccessScope"",""ElapsedTime"":""00:00:.+""\},\{""Id"":""PointOperationStatistics"",""ActivityId"":""de09baab-71a4-4897-a163-470711c93ed3"",""StatusCode"":200,""SubStatusCode"":0,""RequestCharge"":42.0,""RequestUri"":""http://MockUri.com"",""RequestSessionToken"":null,""ResponseSessionToken"":null\}\]\}";
Assert.IsTrue(Regex.IsMatch(result, regex), result);
JToken jToken = JToken.Parse(result);
TimeSpan total = jToken["Summary"]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(total > TimeSpan.FromSeconds(2));
TimeSpan overalScope = jToken["Context"][0]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(total == overalScope);
TimeSpan innerScope = jToken["Context"][1]["ElapsedTime"].ToObject <TimeSpan>();
Assert.IsTrue(innerScope > TimeSpan.FromSeconds(1));
}