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34 changes: 34 additions & 0 deletions
34
Microsoft.Azure.Cosmos/src/Diagnostics/AddressResolutionStatistics.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| //------------------------------------------------------------ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| //------------------------------------------------------------ | ||
| namespace Microsoft.Azure.Cosmos.Diagnostics | ||
| { | ||
| using System; | ||
|
|
||
| internal sealed class AddressResolutionStatistics : CosmosDiagnosticsInternal | ||
| { | ||
| public AddressResolutionStatistics( | ||
| DateTime startTime, | ||
| DateTime endTime, | ||
| string targetEndpoint) | ||
| { | ||
| this.StartTime = startTime; | ||
| this.EndTime = endTime; | ||
| this.TargetEndpoint = targetEndpoint ?? throw new ArgumentNullException(nameof(startTime)); | ||
| } | ||
|
|
||
| public DateTime StartTime { get; } | ||
| public DateTime? EndTime { get; set; } | ||
| public string TargetEndpoint { get; } | ||
|
|
||
| public override void Accept(CosmosDiagnosticsInternalVisitor visitor) | ||
| { | ||
| visitor.Visit(this); | ||
| } | ||
|
|
||
| public override TResult Accept<TResult>(CosmosDiagnosticsInternalVisitor<TResult> visitor) | ||
| { | ||
| return visitor.Visit(this); | ||
| } | ||
| } | ||
| } |
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164 changes: 164 additions & 0 deletions
164
Microsoft.Azure.Cosmos/src/Diagnostics/CosmosClientSideRequestStatistics.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| //------------------------------------------------------------ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| //------------------------------------------------------------ | ||
|
|
||
| namespace Microsoft.Azure.Cosmos | ||
| { | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Globalization; | ||
| using System.IO; | ||
| using System.Text; | ||
| using Microsoft.Azure.Cosmos.Diagnostics; | ||
| using Microsoft.Azure.Documents; | ||
| using Newtonsoft.Json; | ||
|
|
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| internal sealed class CosmosClientSideRequestStatistics : CosmosDiagnosticsInternal, IClientSideRequestStatistics | ||
| { | ||
| private readonly object lockObject = new object(); | ||
|
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| public CosmosClientSideRequestStatistics(CosmosDiagnosticsContext diagnosticsContext = null) | ||
| { | ||
| this.RequestStartTimeUtc = DateTime.UtcNow; | ||
| this.RequestEndTimeUtc = null; | ||
| this.EndpointToAddressResolutionStatistics = new Dictionary<string, AddressResolutionStatistics>(); | ||
| this.ContactedReplicas = new List<Uri>(); | ||
| this.FailedReplicas = new HashSet<Uri>(); | ||
| this.RegionsContacted = new HashSet<Uri>(); | ||
| this.DiagnosticsContext = diagnosticsContext ?? new CosmosDiagnosticsContextCore(); | ||
| this.DiagnosticsContext.AddDiagnosticsInternal(this); | ||
| } | ||
|
|
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| private DateTime RequestStartTimeUtc { get; } | ||
|
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| private DateTime? RequestEndTimeUtc { get; set; } | ||
|
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| private Dictionary<string, AddressResolutionStatistics> EndpointToAddressResolutionStatistics { get; } | ||
|
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| public List<Uri> ContactedReplicas { get; set; } | ||
|
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| public HashSet<Uri> FailedReplicas { get; } | ||
|
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| public HashSet<Uri> RegionsContacted { get; } | ||
|
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| public TimeSpan RequestLatency | ||
| { | ||
| get | ||
| { | ||
| if (this.RequestEndTimeUtc.HasValue) | ||
| { | ||
| return this.RequestEndTimeUtc.Value - this.RequestStartTimeUtc; | ||
| } | ||
|
|
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| return TimeSpan.MaxValue; | ||
| } | ||
| } | ||
|
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| public bool IsCpuOverloaded { get; private set; } = false; | ||
|
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| public CosmosDiagnosticsContext DiagnosticsContext { get; } | ||
|
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| public void RecordRequest(DocumentServiceRequest request) | ||
| { | ||
| } | ||
|
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| public void RecordResponse(DocumentServiceRequest request, StoreResult storeResult) | ||
| { | ||
| DateTime responseTime = DateTime.UtcNow; | ||
| Uri locationEndpoint = request.RequestContext.LocationEndpointToRoute; | ||
| StoreResponseStatistics responseStatistics = new StoreResponseStatistics( | ||
| responseTime, | ||
| storeResult, | ||
| request.ResourceType, | ||
| request.OperationType, | ||
| locationEndpoint); | ||
|
|
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| if (storeResult?.IsClientCpuOverloaded ?? false) | ||
| { | ||
| this.IsCpuOverloaded = true; | ||
| } | ||
|
|
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| lock (this.lockObject) | ||
| { | ||
| if (!this.RequestEndTimeUtc.HasValue || responseTime > this.RequestEndTimeUtc) | ||
| { | ||
| this.RequestEndTimeUtc = responseTime; | ||
| } | ||
|
|
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| if (locationEndpoint != null) | ||
| { | ||
| this.RegionsContacted.Add(locationEndpoint); | ||
| } | ||
|
|
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| this.DiagnosticsContext.AddDiagnosticsInternal(responseStatistics); | ||
| } | ||
| } | ||
|
|
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| public string RecordAddressResolutionStart(Uri targetEndpoint) | ||
| { | ||
| string identifier = Guid.NewGuid().ToString(); | ||
| AddressResolutionStatistics resolutionStats = new AddressResolutionStatistics( | ||
| startTime: DateTime.UtcNow, | ||
| endTime: DateTime.MaxValue, | ||
| targetEndpoint: targetEndpoint == null ? "<NULL>" : targetEndpoint.ToString()); | ||
|
|
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| lock (this.lockObject) | ||
| { | ||
| this.EndpointToAddressResolutionStatistics.Add(identifier, resolutionStats); | ||
| this.DiagnosticsContext.AddDiagnosticsInternal(resolutionStats); | ||
| } | ||
|
|
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| return identifier; | ||
| } | ||
|
|
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| public void RecordAddressResolutionEnd(string identifier) | ||
| { | ||
| if (string.IsNullOrEmpty(identifier)) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| DateTime responseTime = DateTime.UtcNow; | ||
| lock (this.lockObject) | ||
| { | ||
| if (!this.EndpointToAddressResolutionStatistics.ContainsKey(identifier)) | ||
| { | ||
| throw new ArgumentException("Identifier {0} does not exist. Please call start before calling end.", identifier); | ||
| } | ||
|
|
||
| if (!this.RequestEndTimeUtc.HasValue || responseTime > this.RequestEndTimeUtc) | ||
| { | ||
| this.RequestEndTimeUtc = responseTime; | ||
| } | ||
|
|
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| this.EndpointToAddressResolutionStatistics[identifier].EndTime = responseTime; | ||
| } | ||
| } | ||
|
|
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| public override string ToString() | ||
| { | ||
| // This is required for the older IClientSideRequestStatistics | ||
| // Capture the entire diagnostic context in the toString to avoid losing any information | ||
| // for any APIs using the older interface. | ||
| return this.DiagnosticsContext.ToString(); | ||
| } | ||
|
|
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| public void AppendToBuilder(StringBuilder stringBuilder) | ||
| { | ||
| // This is required for the older IClientSideRequestStatistics | ||
| // Capture the entire diagnostic context in the toString to avoid losing any information | ||
| // for any APIs using the older interface. | ||
| stringBuilder.Append(this.DiagnosticsContext.ToString()); | ||
| } | ||
|
|
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| public override void Accept(CosmosDiagnosticsInternalVisitor visitor) | ||
| { | ||
| visitor.Visit(this); | ||
| } | ||
|
|
||
| public override TResult Accept<TResult>(CosmosDiagnosticsInternalVisitor<TResult> visitor) | ||
| { | ||
| return visitor.Visit(this); | ||
| } | ||
| } | ||
| } |
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