internal async Task <ResponseMessage> ProcessItemStreamAsync(
PartitionKey?partitionKey,
string itemId,
Stream streamPayload,
OperationType operationType,
ItemRequestOptions requestOptions,
CosmosDiagnosticsContext diagnosticsContext,
CancellationToken cancellationToken)
{
if (requestOptions != null && requestOptions.IsEffectivePartitionKeyRouting)
{
partitionKey = null;
}
ContainerCore.ValidatePartitionKey(partitionKey, requestOptions);
Uri resourceUri = this.GetResourceUri(requestOptions, operationType, itemId);
if (diagnosticsContext == null)
{
diagnosticsContext = CosmosDiagnosticsContext.Create(requestOptions);
}
using (diagnosticsContext.CreateOverallScope("ProcessItemStream"))
{
if (requestOptions != null && requestOptions.EncryptionOptions != null)
{
if (streamPayload == null)
{
throw new ArgumentException(ClientResources.InvalidRequestWithEncryptionOptions);
}
using (diagnosticsContext.CreateScope("Encrypt"))
{
streamPayload = await this.ClientContext.EncryptionProcessor.EncryptAsync(
streamPayload,
requestOptions.EncryptionOptions,
(DatabaseCore)this.Database,
this.ClientContext.ClientOptions.EncryptionKeyWrapProvider,
diagnosticsContext,
cancellationToken);
}
}
ResponseMessage responseMessage = await this.ClientContext.ProcessResourceOperationStreamAsync(
resourceUri : resourceUri,
resourceType : ResourceType.Document,
operationType : operationType,
requestOptions : requestOptions,
cosmosContainerCore : this,
partitionKey : partitionKey,
itemId : itemId,
streamPayload : streamPayload,
requestEnricher : null,
diagnosticsScope : diagnosticsContext,
cancellationToken : cancellationToken);
if (responseMessage.Content != null && this.ClientContext.ClientOptions.EncryptionKeyWrapProvider != null)
{
using (diagnosticsContext.CreateScope("Decrypt"))
{
responseMessage.Content = await this.ClientContext.EncryptionProcessor.DecryptAsync(
responseMessage.Content,
(DatabaseCore)this.Database,
this.ClientContext.ClientOptions.EncryptionKeyWrapProvider,
diagnosticsContext,
cancellationToken);
}
}
return(responseMessage);
}
}
public virtual Task <bool> ShouldRetryAsync(
ContainerCore containerCore,
ResponseMessage responseMessage,
CancellationToken cancellationToken = default(CancellationToken)) => Task.FromResult(false);
private static TryCatch <QueryPage> GetCosmosElementResponse(
QueryRequestOptions requestOptions,
ResourceType resourceType,
ResponseMessage cosmosResponseMessage,
ITrace trace)
{
using (ITrace getCosmosElementResponse = trace.StartChild("Get Cosmos Element Response", TraceComponent.Json, Tracing.TraceLevel.Info))
{
using (cosmosResponseMessage)
{
if (cosmosResponseMessage.Headers.QueryMetricsText != null)
{
QueryMetricsTraceDatum datum = new QueryMetricsTraceDatum(
new Lazy <QueryMetrics>(() => new QueryMetrics(
cosmosResponseMessage.Headers.QueryMetricsText,
IndexUtilizationInfo.Empty,
ClientSideMetrics.Empty)));
trace.AddDatum("Query Metrics", datum);
}
if (!cosmosResponseMessage.IsSuccessStatusCode)
{
CosmosException exception = cosmosResponseMessage.CosmosException ?? new CosmosException(
cosmosResponseMessage.ErrorMessage,
cosmosResponseMessage.StatusCode,
(int)cosmosResponseMessage.Headers.SubStatusCode,
cosmosResponseMessage.Headers.ActivityId,
cosmosResponseMessage.Headers.RequestCharge);
return(TryCatch <QueryPage> .FromException(exception));
}
if (!(cosmosResponseMessage.Content is MemoryStream memoryStream))
{
memoryStream = new MemoryStream();
cosmosResponseMessage.Content.CopyTo(memoryStream);
}
long responseLengthBytes = memoryStream.Length;
CosmosArray documents = CosmosQueryClientCore.ParseElementsFromRestStream(
memoryStream,
resourceType,
requestOptions.CosmosSerializationFormatOptions);
QueryState queryState;
if (cosmosResponseMessage.Headers.ContinuationToken != null)
{
queryState = new QueryState(CosmosString.Create(cosmosResponseMessage.Headers.ContinuationToken));
}
else
{
queryState = default;
}
Dictionary <string, string> additionalHeaders = new Dictionary <string, string>();
foreach (string key in cosmosResponseMessage.Headers)
{
if (!QueryPage.BannedHeaders.Contains(key))
{
additionalHeaders[key] = cosmosResponseMessage.Headers[key];
}
}
Lazy <CosmosQueryExecutionInfo> cosmosQueryExecutionInfo = default;
if (cosmosResponseMessage.Headers.TryGetValue(QueryExecutionInfoHeader, out string queryExecutionInfoString))
{
cosmosQueryExecutionInfo =
new Lazy <CosmosQueryExecutionInfo>(
() => JsonConvert.DeserializeObject <CosmosQueryExecutionInfo>(queryExecutionInfoString));
}
QueryPage response = new QueryPage(
documents,
cosmosResponseMessage.Headers.RequestCharge,
cosmosResponseMessage.Headers.ActivityId,
responseLengthBytes,
cosmosQueryExecutionInfo,
disallowContinuationTokenMessage: null,
additionalHeaders,
queryState);
return(TryCatch <QueryPage> .FromResult(response));
}
}
}
public Task <ShouldRetryResult> ShouldRetryAsync(
ResponseMessage cosmosResponseMessage,
CancellationToken cancellationToken)
{
throw new NotImplementedException();
}
public override async Task <ContainerResponse> CreateContainerIfNotExistsAsync(
ContainerProperties containerProperties,
int?throughput = null,
RequestOptions requestOptions = null,
CancellationToken cancellationToken = default(CancellationToken))
{
if (containerProperties == null)
{
throw new ArgumentNullException(nameof(containerProperties));
}
this.ValidateContainerProperties(containerProperties);
Container container = this.GetContainer(containerProperties.Id);
ResponseMessage readResponse = await container.ReadContainerStreamAsync(
cancellationToken : cancellationToken);
if (readResponse.StatusCode != HttpStatusCode.NotFound)
{
ContainerResponse retrivedContainerResponse = await this.ClientContext.ResponseFactory.CreateContainerResponseAsync(
container,
Task.FromResult(readResponse));
if (!retrivedContainerResponse.Resource.PartitionKeyPath.Equals(containerProperties.PartitionKeyPath))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
containerProperties.PartitionKeyPath,
containerProperties.Id,
retrivedContainerResponse.Resource.PartitionKeyPath),
nameof(containerProperties.PartitionKey));
}
return(retrivedContainerResponse);
}
this.ValidateContainerProperties(containerProperties);
ResponseMessage createResponse = await this.CreateContainerStreamAsync(
containerProperties,
throughput,
requestOptions,
cancellationToken);
// Merge the previous message diagnostics
createResponse.DiagnosticsContext.AddDiagnosticsInternal(readResponse.DiagnosticsContext);
if (readResponse.StatusCode != HttpStatusCode.Conflict)
{
return(await this.ClientContext.ResponseFactory.CreateContainerResponseAsync(container, Task.FromResult(createResponse)));
}
// This second Read is to handle the race condition when 2 or more threads have Read the database and only one succeeds with Create
// so for the remaining ones we should do a Read instead of throwing Conflict exception
ResponseMessage readResponseAfterCreate = await container.ReadContainerStreamAsync(
cancellationToken : cancellationToken);
// Merge the previous message diagnostics
createResponse.DiagnosticsContext.AddDiagnosticsInternal(readResponse.DiagnosticsContext);
return(await this.ClientContext.ResponseFactory.CreateContainerResponseAsync(container, Task.FromResult(readResponseAfterCreate)));
}
internal static string GetContinuationToken(ResponseMessage httpResponseMessage)
{
return(httpResponseMessage.Headers.Continuation);
}
public override StoredProcedureExecuteResponse <T> CreateStoredProcedureExecuteResponse <T>(ResponseMessage responseMessage)
{
return(this.ProcessMessage(responseMessage, (cosmosResponseMessage) =>
{
T item = this.ToObjectpublic <T>(cosmosResponseMessage);
return new StoredProcedureExecuteResponse <T>(
cosmosResponseMessage.StatusCode,
cosmosResponseMessage.Headers,
item,
cosmosResponseMessage.Diagnostics);
}));
}
public async Task <ContainerResponse> CreateContainerIfNotExistsAsync(
CosmosDiagnosticsContext diagnosticsContext,
ContainerProperties containerProperties,
ThroughputProperties throughputProperties,
RequestOptions requestOptions,
CancellationToken cancellationToken)
{
if (containerProperties == null)
{
throw new ArgumentNullException(nameof(containerProperties));
}
this.ValidateContainerProperties(containerProperties);
ContainerCore container = (ContainerCore)this.GetContainer(containerProperties.Id);
using (ResponseMessage readResponse = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
cancellationToken: cancellationToken))
{
if (readResponse.StatusCode != HttpStatusCode.NotFound)
{
ContainerResponse retrivedContainerResponse = this.ClientContext.ResponseFactory.CreateContainerResponse(
container,
readResponse);
if (!retrivedContainerResponse.Resource.PartitionKeyPath.Equals(containerProperties.PartitionKeyPath))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
containerProperties.PartitionKeyPath,
containerProperties.Id,
retrivedContainerResponse.Resource.PartitionKeyPath),
nameof(containerProperties.PartitionKey));
}
return(retrivedContainerResponse);
}
}
this.ValidateContainerProperties(containerProperties);
using (ResponseMessage createResponse = await this.CreateContainerStreamAsync(
diagnosticsContext,
containerProperties,
throughputProperties,
requestOptions,
cancellationToken))
{
if (createResponse.StatusCode != HttpStatusCode.Conflict)
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, createResponse));
}
}
// This second Read is to handle the race condition when 2 or more threads have Read the database and only one succeeds with Create
// so for the remaining ones we should do a Read instead of throwing Conflict exception
using (ResponseMessage readResponseAfterCreate = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
cancellationToken: cancellationToken))
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, readResponseAfterCreate));
}
}
public abstract Task <Documents.ShouldRetryResult> HandleSplitAsync(
ContainerCore containerCore,
ResponseMessage responseMessage,
CancellationToken cancellationToken);
private async Task<ResponseMessage> ReadNextInternalAsync(
CosmosDiagnosticsContext diagnostics,
CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
Stream stream = null;
OperationType operation = OperationType.ReadFeed;
if (this.querySpec != null)
{
stream = this.clientContext.SerializerCore.ToStreamSqlQuerySpec(this.querySpec, this.resourceType);
operation = OperationType.Query;
}
if (this.feedTokenInternal == null)
{
TryCatch<FeedTokenInternal> tryCatchFeedTokeninternal = await this.TryInitializeFeedTokenAsync(cancellationToken);
if (!tryCatchFeedTokeninternal.Succeeded)
{
if (tryCatchFeedTokeninternal.Exception.InnerException is CosmosException cosmosException)
{
return cosmosException.ToCosmosResponseMessage(new RequestMessage(method: null, requestUri: null, diagnosticsContext: diagnostics));
}
return CosmosExceptionFactory.CreateInternalServerErrorException(
message: tryCatchFeedTokeninternal.Exception.InnerException.Message,
innerException: tryCatchFeedTokeninternal.Exception.InnerException,
diagnosticsContext: diagnostics).ToCosmosResponseMessage(new RequestMessage(method: null, requestUri: null, diagnosticsContext: diagnostics));
}
this.feedTokenInternal = tryCatchFeedTokeninternal.Result;
}
ResponseMessage response = await this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri: this.resourceLink,
resourceType: this.resourceType,
operationType: operation,
requestOptions: this.requestOptions,
cosmosContainerCore: null,
partitionKey: this.requestOptions?.PartitionKey,
streamPayload: stream,
requestEnricher: request =>
{
QueryRequestOptions.FillContinuationToken(request, this.ContinuationToken);
if (this.querySpec != null)
{
request.Headers.Add(HttpConstants.HttpHeaders.ContentType, MediaTypes.QueryJson);
request.Headers.Add(HttpConstants.HttpHeaders.IsQuery, bool.TrueString);
}
this.feedTokenInternal?.EnrichRequest(request);
},
diagnosticsContext: diagnostics,
cancellationToken: cancellationToken);
// Retry in case of splits or other scenarios only on partitioned resources
if (this.containerCore != null
&& await this.feedTokenInternal.ShouldRetryAsync(this.containerCore, response, cancellationToken))
{
return await this.ReadNextInternalAsync(diagnostics, cancellationToken);
}
if (response.IsSuccessStatusCode)
{
this.feedTokenInternal.UpdateContinuation(response.Headers.ContinuationToken);
this.ContinuationToken = this.feedTokenInternal.GetContinuation();
this.hasMoreResultsInternal = !this.feedTokenInternal.IsDone;
}
else
{
this.hasMoreResultsInternal = false;
}
return response;
}
public abstract Documents.ShouldRetryResult HandleChangeFeedNotModified(ResponseMessage responseMessage);
public override FeedResponse <T> CreateQueryFeedUserTypeResponse <T>(
ResponseMessage responseMessage)
{
return(this.CreateQueryFeedResponseHelper <T>(
responseMessage));
}
public T ToObjectpublic <T>(ResponseMessage responseMessage)
{
if (responseMessage.Content == null)
{
return(default);
internal static async Task <TransactionalBatchResponse> FromResponseMessageAsync(
ResponseMessage responseMessage,
ServerBatchRequest serverRequest,
CosmosSerializerCore serializer,
bool shouldPromoteOperationStatus = true)
{
using (responseMessage)
{
TransactionalBatchResponse response = null;
if (responseMessage.Content != null)
{
Stream content = responseMessage.Content;
// Shouldn't be the case practically, but handle it for safety.
if (!responseMessage.Content.CanSeek)
{
content = new MemoryStream();
await responseMessage.Content.CopyToAsync(content);
}
if (content.ReadByte() == (int)HybridRowVersion.V1)
{
content.Position = 0;
response = await TransactionalBatchResponse.PopulateFromContentAsync(
content,
responseMessage,
serverRequest,
serializer,
shouldPromoteOperationStatus);
if (response == null)
{
// Convert any payload read failures as InternalServerError
response = new TransactionalBatchResponse(
HttpStatusCode.InternalServerError,
SubStatusCodes.Unknown,
ClientResources.ServerResponseDeserializationFailure,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
responseMessage.DiagnosticsContext,
serverRequest.Operations,
serializer);
}
}
}
if (response == null)
{
response = new TransactionalBatchResponse(
responseMessage.StatusCode,
responseMessage.Headers.SubStatusCode,
responseMessage.ErrorMessage,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
responseMessage.DiagnosticsContext,
serverRequest.Operations,
serializer);
}
if (response.results == null || response.results.Count != serverRequest.Operations.Count)
{
if (responseMessage.IsSuccessStatusCode)
{
// Server should be guaranteeing number of results equal to operations when
// batch request is successful - so fail as InternalServerError if this is not the case.
response = new TransactionalBatchResponse(
HttpStatusCode.InternalServerError,
SubStatusCodes.Unknown,
ClientResources.InvalidServerResponse,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
responseMessage.DiagnosticsContext,
serverRequest.Operations,
serializer);
}
// When the overall response status code is TooManyRequests, propagate the RetryAfter into the individual operations.
int retryAfterMilliseconds = 0;
if ((int)responseMessage.StatusCode == (int)StatusCodes.TooManyRequests)
{
if (!responseMessage.Headers.TryGetValue(HttpConstants.HttpHeaders.RetryAfterInMilliseconds, out string retryAfter) ||
retryAfter == null ||
!int.TryParse(retryAfter, out retryAfterMilliseconds))
{
retryAfterMilliseconds = 0;
}
}
response.CreateAndPopulateResults(serverRequest.Operations, retryAfterMilliseconds);
}
return(response);
}
}
public override FeedResponse <T> CreateItemFeedResponse <T>(ResponseMessage responseMessage)
{
return(this.CreateQueryFeedResponseHelper <T>(
responseMessage,
Documents.ResourceType.Document));
}
private static async Task <TransactionalBatchResponse> PopulateFromContentAsync(
Stream content,
ResponseMessage responseMessage,
ServerBatchRequest serverRequest,
CosmosSerializerCore serializer,
bool shouldPromoteOperationStatus)
{
List <TransactionalBatchOperationResult> results = new List <TransactionalBatchOperationResult>();
// content is ensured to be seekable in caller.
int resizerInitialCapacity = (int)content.Length;
Result res = await content.ReadRecordIOAsync(
record =>
{
Result r = TransactionalBatchOperationResult.ReadOperationResult(record, out TransactionalBatchOperationResult operationResult);
if (r != Result.Success)
{
return(r);
}
results.Add(operationResult);
return(r);
},
resizer : new MemorySpanResizer <byte>(resizerInitialCapacity));
if (res != Result.Success)
{
return(null);
}
HttpStatusCode responseStatusCode = responseMessage.StatusCode;
SubStatusCodes responseSubStatusCode = responseMessage.Headers.SubStatusCode;
// Promote the operation error status as the Batch response error status if we have a MultiStatus response
// to provide users with status codes they are used to.
if ((int)responseMessage.StatusCode == (int)StatusCodes.MultiStatus &&
shouldPromoteOperationStatus)
{
foreach (TransactionalBatchOperationResult result in results)
{
if ((int)result.StatusCode != (int)StatusCodes.FailedDependency)
{
responseStatusCode = result.StatusCode;
responseSubStatusCode = result.SubStatusCode;
break;
}
}
}
TransactionalBatchResponse response = new TransactionalBatchResponse(
responseStatusCode,
responseSubStatusCode,
responseMessage.ErrorMessage,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
responseMessage.DiagnosticsContext,
serverRequest.Operations,
serializer);
response.results = results;
return(response);
}
private async Task <ResponseMessage> ReadNextInternalAsync(
CosmosDiagnosticsContext diagnostics,
CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri : this.containerCore.LinkUri,
resourceType : ResourceType.Document,
operationType : OperationType.ReadFeed,
requestOptions : this.queryRequestOptions,
cosmosContainerCore : this.containerCore,
partitionKey : this.queryRequestOptions?.PartitionKey,
streamPayload : null,
requestEnricher : request =>
{
FeedRangeVisitor feedRangeVisitor = new FeedRangeVisitor(request);
this.FeedRangeInternal.Accept(feedRangeVisitor);
this.FeedRangeContinuation.Accept(feedRangeVisitor, QueryRequestOptions.FillContinuationToken);
},
diagnosticsContext : diagnostics,
cancellationToken : cancellationToken);
ShouldRetryResult shouldRetryOnSplit = await this.FeedRangeContinuation.HandleSplitAsync(this.containerCore, responseMessage, cancellationToken);
if (shouldRetryOnSplit.ShouldRetry)
{
return(await this.ReadNextInternalAsync(diagnostics, cancellationToken));
}
if (responseMessage.Content != null)
{
// Rewrite the payload to be in the specified format.
// If it's already in the correct format, then the following will be a memcpy.
MemoryStream memoryStream;
if (responseMessage.Content is MemoryStream responseContentAsMemoryStream)
{
memoryStream = responseContentAsMemoryStream;
}
else
{
memoryStream = new MemoryStream();
await responseMessage.Content.CopyToAsync(memoryStream);
}
ReadOnlyMemory <byte> buffer;
if (memoryStream.TryGetBuffer(out ArraySegment <byte> segment))
{
buffer = segment.Array.AsMemory().Slice(start: segment.Offset, length: segment.Count);
}
else
{
buffer = memoryStream.ToArray();
}
IJsonReader jsonReader = JsonReader.Create(buffer);
IJsonWriter jsonWriter;
if (this.queryRequestOptions?.CosmosSerializationFormatOptions != null)
{
jsonWriter = this.queryRequestOptions.CosmosSerializationFormatOptions.CreateCustomWriterCallback();
}
else
{
jsonWriter = NewtonsoftToCosmosDBWriter.CreateTextWriter();
}
jsonWriter.WriteAll(jsonReader);
ReadOnlyMemory <byte> result = jsonWriter.GetResult();
MemoryStream rewrittenMemoryStream;
if (MemoryMarshal.TryGetArray(result, out ArraySegment <byte> rewrittenSegment))
{
rewrittenMemoryStream = new MemoryStream(rewrittenSegment.Array, index: rewrittenSegment.Offset, count: rewrittenSegment.Count);
}
else
{
rewrittenMemoryStream = new MemoryStream(result.ToArray());
}
responseMessage.Content = rewrittenMemoryStream;
}
if (responseMessage.IsSuccessStatusCode)
{
this.FeedRangeContinuation.ReplaceContinuation(responseMessage.Headers.ContinuationToken);
this.hasMoreResultsInternal = !this.FeedRangeContinuation.IsDone;
return(FeedRangeResponse.CreateSuccess(responseMessage, this.FeedRangeContinuation));
}
else
{
this.hasMoreResultsInternal = false;
return(FeedRangeResponse.CreateFailure(responseMessage));
}
}
// Extracted partition key might be invalid as CollectionCache might be stale.
// Stale collection cache is refreshed through PartitionKeyMismatchRetryPolicy
// and partition-key is extracted again.
internal async Task <ResponseMessage> ExtractPartitionKeyAndProcessItemStreamAsync <T>(
PartitionKey?partitionKey,
string itemId,
T item,
OperationType operationType,
RequestOptions requestOptions,
CancellationToken cancellationToken)
{
CosmosDiagnosticsContext diagnosticsContext = CosmosDiagnosticsContext.Create(requestOptions);
using (diagnosticsContext.CreateOverallScope("ItemStream"))
{
Stream itemStream;
using (diagnosticsContext.CreateScope("ItemSerialize"))
{
itemStream = this.ClientContext.SerializerCore.ToStream <T>(item);
}
// User specified PK value, no need to extract it
if (partitionKey.HasValue)
{
return(await this.ProcessItemStreamAsync(
partitionKey,
itemId,
itemStream,
operationType,
requestOptions,
diagnosticsScope : diagnosticsContext,
cancellationToken : cancellationToken));
}
PartitionKeyMismatchRetryPolicy requestRetryPolicy = null;
while (true)
{
using (diagnosticsContext.CreateScope("ExtractPkValue"))
{
partitionKey = await this.GetPartitionKeyValueFromStreamAsync(itemStream, cancellationToken);
}
ResponseMessage responseMessage = await this.ProcessItemStreamAsync(
partitionKey,
itemId,
itemStream,
operationType,
requestOptions,
diagnosticsScope : diagnosticsContext,
cancellationToken : cancellationToken);
if (responseMessage.IsSuccessStatusCode)
{
return(responseMessage);
}
if (requestRetryPolicy == null)
{
requestRetryPolicy = new PartitionKeyMismatchRetryPolicy(await this.ClientContext.DocumentClient.GetCollectionCacheAsync(), null);
}
ShouldRetryResult retryResult = await requestRetryPolicy.ShouldRetryAsync(responseMessage, cancellationToken);
if (!retryResult.ShouldRetry)
{
return(responseMessage);
}
}
}
}
public void EnsureSuccessStatusCode_DontThrowOnSuccess()
{
ResponseMessage responseMessage = new ResponseMessage(HttpStatusCode.OK);
responseMessage.EnsureSuccessStatusCode();
}
public async Task <ContainerResponse> CreateContainerIfNotExistsAsync(
CosmosDiagnosticsContext diagnosticsContext,
ContainerProperties containerProperties,
ThroughputProperties throughputProperties,
RequestOptions requestOptions,
ITrace trace,
CancellationToken cancellationToken)
{
if (containerProperties == null)
{
throw new ArgumentNullException(nameof(containerProperties));
}
this.ValidateContainerProperties(containerProperties);
double totalRequestCharge = 0;
ContainerCore container = (ContainerCore)this.GetContainer(containerProperties.Id);
using (ResponseMessage readResponse = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
requestOptions: requestOptions,
trace: trace,
cancellationToken: cancellationToken))
{
totalRequestCharge = readResponse.Headers.RequestCharge;
if (readResponse.StatusCode != HttpStatusCode.NotFound)
{
ContainerResponse retrivedContainerResponse = this.ClientContext.ResponseFactory.CreateContainerResponse(
container,
readResponse);
if (containerProperties.PartitionKey.Kind != Documents.PartitionKind.MultiHash)
{
if (!retrivedContainerResponse.Resource.PartitionKeyPath.Equals(containerProperties.PartitionKeyPath))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
containerProperties.PartitionKeyPath,
containerProperties.Id,
retrivedContainerResponse.Resource.PartitionKeyPath),
nameof(containerProperties.PartitionKey));
}
}
#if INTERNAL || SUBPARTITIONING
else
{
IReadOnlyList <string> retrivedPartitionKeyPaths = retrivedContainerResponse.Resource.PartitionKeyPaths;
IReadOnlyList <string> receivedPartitionKeyPaths = containerProperties.PartitionKeyPaths;
if (retrivedPartitionKeyPaths.Count != receivedPartitionKeyPaths.Count || !Enumerable.SequenceEqual(retrivedPartitionKeyPaths, receivedPartitionKeyPaths))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
string.Join(",", containerProperties.PartitionKeyPaths),
containerProperties.Id,
string.Join(",", retrivedContainerResponse.Resource.PartitionKeyPaths)),
nameof(containerProperties.PartitionKey));
}
}
#endif
return(retrivedContainerResponse);
}
}
this.ValidateContainerProperties(containerProperties);
using (ResponseMessage createResponse = await this.CreateContainerStreamAsync(
diagnosticsContext,
containerProperties,
throughputProperties,
requestOptions,
trace,
cancellationToken))
{
totalRequestCharge += createResponse.Headers.RequestCharge;
createResponse.Headers.RequestCharge = totalRequestCharge;
if (createResponse.StatusCode != HttpStatusCode.Conflict)
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, createResponse));
}
}
// This second Read is to handle the race condition when 2 or more threads have Read the database and only one succeeds with Create
// so for the remaining ones we should do a Read instead of throwing Conflict exception
using (ResponseMessage readResponseAfterCreate = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
requestOptions: requestOptions,
trace: trace,
cancellationToken: cancellationToken))
{
totalRequestCharge += readResponseAfterCreate.Headers.RequestCharge;
readResponseAfterCreate.Headers.RequestCharge = totalRequestCharge;
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, readResponseAfterCreate));
}
}
public void EnsureSuccessStatusCode_ThrowsOnFailure()
{
ResponseMessage responseMessage = new ResponseMessage(HttpStatusCode.NotFound);
Assert.ThrowsException <CosmosException>(() => responseMessage.EnsureSuccessStatusCode());
}
// Extracted partition key might be invalid as CollectionCache might be stale.
// Stale collection cache is refreshed through PartitionKeyMismatchRetryPolicy
// and partition-key is extracted again.
private async Task <ResponseMessage> ExtractPartitionKeyAndProcessItemStreamAsync <T>(
PartitionKey?partitionKey,
string itemId,
T item,
OperationType operationType,
ItemRequestOptions requestOptions,
CosmosDiagnosticsContext diagnosticsContext,
CancellationToken cancellationToken)
{
if (diagnosticsContext == null)
{
throw new ArgumentNullException(nameof(diagnosticsContext));
}
Stream itemStream;
using (diagnosticsContext.CreateScope("ItemSerialize"))
{
itemStream = this.ClientContext.SerializerCore.ToStream <T>(item);
}
// User specified PK value, no need to extract it
if (partitionKey.HasValue)
{
PartitionKeyDefinition pKeyDefinition = await this.GetPartitionKeyDefinitionAsync();
if (partitionKey.HasValue && partitionKey.Value != PartitionKey.None && partitionKey.Value.InternalKey.Components.Count != pKeyDefinition.Paths.Count)
{
throw new ArgumentException(RMResources.MissingPartitionKeyValue);
}
return(await this.ProcessItemStreamAsync(
partitionKey,
itemId,
itemStream,
operationType,
requestOptions,
diagnosticsContext : diagnosticsContext,
cancellationToken : cancellationToken));
}
PartitionKeyMismatchRetryPolicy requestRetryPolicy = null;
while (true)
{
using (diagnosticsContext.CreateScope("ExtractPkValue"))
{
partitionKey = await this.GetPartitionKeyValueFromStreamAsync(itemStream, cancellationToken);
}
ResponseMessage responseMessage = await this.ProcessItemStreamAsync(
partitionKey,
itemId,
itemStream,
operationType,
requestOptions,
diagnosticsContext : diagnosticsContext,
cancellationToken : cancellationToken);
if (responseMessage.IsSuccessStatusCode)
{
return(responseMessage);
}
if (requestRetryPolicy == null)
{
requestRetryPolicy = new PartitionKeyMismatchRetryPolicy(await this.ClientContext.DocumentClient.GetCollectionCacheAsync(), null);
}
ShouldRetryResult retryResult = await requestRetryPolicy.ShouldRetryAsync(responseMessage, cancellationToken);
if (!retryResult.ShouldRetry)
{
return(responseMessage);
}
}
}
private static TryCatch <QueryPage> GetCosmosElementResponse(
Guid clientQueryCorrelationId,
QueryRequestOptions requestOptions,
ResourceType resourceType,
ResponseMessage cosmosResponseMessage,
PartitionKeyRangeIdentity partitionKeyRangeIdentity,
Action <QueryPageDiagnostics> queryPageDiagnostics)
{
using (cosmosResponseMessage)
{
QueryPageDiagnostics queryPage = new QueryPageDiagnostics(
clientQueryCorrelationId: clientQueryCorrelationId,
partitionKeyRangeId: partitionKeyRangeIdentity.PartitionKeyRangeId,
queryMetricText: cosmosResponseMessage.Headers.QueryMetricsText,
indexUtilizationText: cosmosResponseMessage.Headers[HttpConstants.HttpHeaders.IndexUtilization],
diagnosticsContext: cosmosResponseMessage.DiagnosticsContext);
queryPageDiagnostics(queryPage);
if (!cosmosResponseMessage.IsSuccessStatusCode)
{
CosmosException exception;
if (cosmosResponseMessage.CosmosException != null)
{
exception = cosmosResponseMessage.CosmosException;
}
else
{
exception = new CosmosException(
cosmosResponseMessage.ErrorMessage,
cosmosResponseMessage.StatusCode,
(int)cosmosResponseMessage.Headers.SubStatusCode,
cosmosResponseMessage.Headers.ActivityId,
cosmosResponseMessage.Headers.RequestCharge);
}
return(TryCatch <QueryPage> .FromException(exception));
}
if (!(cosmosResponseMessage.Content is MemoryStream memoryStream))
{
memoryStream = new MemoryStream();
cosmosResponseMessage.Content.CopyTo(memoryStream);
}
long responseLengthBytes = memoryStream.Length;
CosmosArray documents = CosmosQueryClientCore.ParseElementsFromRestStream(
memoryStream,
resourceType,
requestOptions.CosmosSerializationFormatOptions);
CosmosQueryExecutionInfo cosmosQueryExecutionInfo;
if (cosmosResponseMessage.Headers.TryGetValue(QueryExecutionInfoHeader, out string queryExecutionInfoString))
{
cosmosQueryExecutionInfo = JsonConvert.DeserializeObject <CosmosQueryExecutionInfo>(queryExecutionInfoString);
}
else
{
cosmosQueryExecutionInfo = default;
}
QueryState queryState;
if (cosmosResponseMessage.Headers.ContinuationToken != null)
{
queryState = new QueryState(CosmosString.Create(cosmosResponseMessage.Headers.ContinuationToken));
}
else
{
queryState = default;
}
QueryPage response = new QueryPage(
documents,
cosmosResponseMessage.Headers.RequestCharge,
cosmosResponseMessage.Headers.ActivityId,
responseLengthBytes,
cosmosQueryExecutionInfo,
disallowContinuationTokenMessage: null,
queryState);
return(TryCatch <QueryPage> .FromResult(response));
}
}
internal static async Task <BatchResponse> FromResponseMessageAsync(
ResponseMessage responseMessage,
ServerBatchRequest serverRequest,
CosmosSerializer serializer)
{
using (responseMessage)
{
BatchResponse response = null;
if (responseMessage.IsSuccessStatusCode && responseMessage.Content != null)
{
response = await BatchResponse.PopulateFromContentAsync(responseMessage, serverRequest, serializer);
if (response == null)
{
// Convert any payload read failures as InternalServerError
response = new BatchResponse(
HttpStatusCode.InternalServerError,
SubStatusCodes.Unknown,
ClientResources.ServerResponseDeserializationFailure,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
serverRequest,
serializer);
}
}
else
{
response = new BatchResponse(
responseMessage.StatusCode,
responseMessage.Headers.SubStatusCode,
responseMessage.ErrorMessage,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
serverRequest,
serializer);
}
if (response.results == null || response.results.Count != serverRequest.Operations.Count)
{
if (responseMessage.IsSuccessStatusCode)
{
// Server should be guaranteeing number of results equal to operations when
// batch request is successful - so fail as InternalServerError if this is not the case.
response = new BatchResponse(
HttpStatusCode.InternalServerError,
SubStatusCodes.Unknown,
ClientResources.InvalidServerResponse,
responseMessage.Headers.RequestCharge,
responseMessage.Headers.RetryAfter,
responseMessage.Headers.ActivityId,
serverRequest,
serializer);
}
// When the overall response status code is TooManyRequests, propagate the RetryAfter into the individual operations.
int retryAfterMilliseconds = 0;
if ((int)responseMessage.StatusCode == (int)StatusCodes.TooManyRequests)
{
if (!responseMessage.Headers.TryGetValue(HttpConstants.HttpHeaders.RetryAfterInMilliseconds, out string retryAfter) ||
retryAfter == null ||
!int.TryParse(retryAfter, out retryAfterMilliseconds))
{
retryAfterMilliseconds = 0;
}
}
response.results = new List <BatchOperationResult>();
for (int i = 0; i < serverRequest.Operations.Count; i++)
{
response.results.Add(
new BatchOperationResult(response.StatusCode)
{
SubStatusCode = response.SubStatusCode,
RetryAfter = TimeSpan.FromMilliseconds(retryAfterMilliseconds),
});
}
}
return(response);
}
}
private async Task <ResponseMessage> ReadNextInternalAsync(
CosmosDiagnosticsContext diagnostics,
CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
Stream stream = null;
OperationType operation = OperationType.ReadFeed;
if (this.querySpec != null)
{
stream = this.clientContext.SerializerCore.ToStreamSqlQuerySpec(this.querySpec, this.resourceType);
operation = OperationType.Query;
}
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri : this.containerCore.LinkUri,
resourceType : this.resourceType,
operationType : operation,
requestOptions : this.queryRequestOptions,
cosmosContainerCore : this.containerCore,
partitionKey : this.queryRequestOptions?.PartitionKey,
streamPayload : stream,
requestEnricher : request =>
{
// FeedRangeContinuationRequestMessagePopulatorVisitor needs to run before FeedRangeRequestMessagePopulatorVisitor,
// since they both set EPK range headers and in the case of split we need to run on the child range and not the parent range.
FeedRangeContinuationRequestMessagePopulatorVisitor feedRangeContinuationVisitor = new FeedRangeContinuationRequestMessagePopulatorVisitor(
request,
QueryRequestOptions.FillContinuationToken);
this.FeedRangeContinuation.Accept(feedRangeContinuationVisitor);
FeedRangeRequestMessagePopulatorVisitor feedRangeVisitor = new FeedRangeRequestMessagePopulatorVisitor(request);
this.FeedRangeInternal.Accept(feedRangeVisitor);
if (this.querySpec != null)
{
request.Headers.Add(HttpConstants.HttpHeaders.ContentType, MediaTypes.QueryJson);
request.Headers.Add(HttpConstants.HttpHeaders.IsQuery, bool.TrueString);
}
},
diagnosticsContext : diagnostics,
cancellationToken : cancellationToken);
ShouldRetryResult shouldRetryOnSplit = await this.FeedRangeContinuation.HandleSplitAsync(this.containerCore, responseMessage, cancellationToken);
if (shouldRetryOnSplit.ShouldRetry)
{
return(await this.ReadNextInternalAsync(diagnostics, cancellationToken));
}
if (responseMessage.Content != null)
{
await CosmosElementSerializer.RewriteStreamAsTextAsync(responseMessage, this.queryRequestOptions);
}
if (responseMessage.IsSuccessStatusCode)
{
this.FeedRangeContinuation.ReplaceContinuation(responseMessage.Headers.ContinuationToken);
this.hasMoreResultsInternal = !this.FeedRangeContinuation.IsDone;
return(FeedRangeResponse.CreateSuccess(responseMessage, this.FeedRangeContinuation));
}
else
{
this.hasMoreResultsInternal = false;
return(FeedRangeResponse.CreateFailure(responseMessage));
}
}
