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RUM-3470 feat: Head-based sampling #1794

Merged
merged 10 commits into from
Apr 26, 2024
Merged
24 changes: 24 additions & 0 deletions Datadog/Datadog.xcodeproj/project.pbxproj
Original file line number Diff line number Diff line change
Expand Up @@ -300,6 +300,10 @@
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Expand Down Expand Up @@ -352,6 +356,8 @@
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Expand All @@ -361,6 +367,8 @@
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Expand Down Expand Up @@ -2242,6 +2250,8 @@
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Expand Down Expand Up @@ -2286,6 +2296,7 @@
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616C0AA028573F6300C13264 /* RUMOperatingSystemInfoTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RUMOperatingSystemInfoTests.swift; sourceTree = "<group>"; };
Expand All @@ -2299,6 +2310,7 @@
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Expand Down Expand Up @@ -4249,6 +4261,7 @@
6132BF4A24A49C7200D7BD17 /* Propagation */ = {
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A728ADAA2934EA2100397996 /* W3CHTTPHeadersWriter+objc.swift */,
Expand Down Expand Up @@ -5732,6 +5745,7 @@
619CE75D2A458CE1005588CB /* TraceConfigurationTests.swift */,
61AD4E172451C7FF006E34EA /* TracingFeatureMocks.swift */,
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61F1A620249A45E400075390 /* DDSpanContextTests.swift */,
D2F1B81426D8E5FF009F3293 /* DDNoopTracerTests.swift */,
Expand Down Expand Up @@ -6017,6 +6031,7 @@
children = (
D2160C9829C0DE5700FAA9A5 /* NetworkInstrumentationFeature.swift */,
D2160CEC29C0E0E600FAA9A5 /* DatadogURLSessionHandler.swift */,
6175C3502BCE66DB006FAAB0 /* TraceContext.swift */,
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3C9B27242B9F174700569C07 /* SpanID.swift */,
D2160C9429C0DE5600FAA9A5 /* FirstPartyHosts.swift */,
Expand Down Expand Up @@ -6045,6 +6060,7 @@
61B558D32469CDD8001460D3 /* TraceIDGeneratorTests.swift */,
3CCECDAE2BC688120013C125 /* SpanIDGeneratorTests.swift */,
61F3E3652BC595F600C7881E /* HTTPHeadersReaderTests.swift */,
615192CC2BD6948B0005A782 /* HTTPHeadersWriterTests.swift */,
A79B0F5A292B7C06008742B3 /* B3HTTPHeadersWriterTests.swift */,
A79B0F60292BB071008742B3 /* B3HTTPHeadersReaderTests.swift */,
A728ADA22934DB5000397996 /* W3CHTTPHeadersWriterTests.swift */,
Expand Down Expand Up @@ -7852,6 +7868,7 @@
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9E55407C25812D1C00F6E3AD /* RUM+objc.swift in Sources */,
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Expand Down Expand Up @@ -8215,6 +8232,7 @@
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D23039DE298D5235001A1FA3 /* Writer.swift in Sources */,
D23039FA298D5236001A1FA3 /* Telemetry.swift in Sources */,
Expand Down Expand Up @@ -8556,6 +8574,7 @@
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D2C1A51B29C4C75700946C31 /* DDSpanContextTests.swift in Sources */,
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Expand Down Expand Up @@ -8759,6 +8778,7 @@
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Expand Down Expand Up @@ -9014,6 +9034,7 @@
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Expand Down Expand Up @@ -9097,6 +9118,7 @@
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D2DA2367298D57AA00C6C7E6 /* Telemetry.swift in Sources */,
Expand Down Expand Up @@ -9187,6 +9209,7 @@
D2160CE929C0E00200FAA9A5 /* MethodSwizzlerTests.swift in Sources */,
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D2160CE029C0DF6700FAA9A5 /* URLSessionDelegateAsSuperclassTests.swift in Sources */,
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Expand Down Expand Up @@ -9233,6 +9256,7 @@
D2EBEE4229BA163F00B15732 /* W3CHTTPHeadersReaderTests.swift in Sources */,
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D2160CE129C0DF6700FAA9A5 /* URLSessionDelegateAsSuperclassTests.swift in Sources */,
D2EBEE3F29BA163F00B15732 /* B3HTTPHeadersReaderTests.swift in Sources */,
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -198,22 +198,16 @@
</BuildableReference>
<SkippedTests>
<Test
Identifier = "HeadBasedSamplingTests/testSamplingLocalTrace()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent_throughTracerAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSamplingLocalTraceWithImplicitParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent_throughURLSessionInstrumentationAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent_throughTracerAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithNoParent()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent_throughURLSessionInstrumentationAPI()">
</Test>
</SkippedTests>
</TestableReference>
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -184,22 +184,22 @@
</BuildableReference>
<SkippedTests>
<Test
Identifier = "HeadBasedSamplingTests/testSamplingLocalTrace()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent_throughTracerAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSamplingLocalTraceWithImplicitParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent_throughURLSessionInstrumentationAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithNoParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent_throughTracerAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent()">
Identifier = "HeadBasedSamplingTests/testSendingDroppedDistributedTraceWithParent_throughURLSessionInstrumentationAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithNoParent()">
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithNoParent_throughTracerAPI()">
</Test>
<Test
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithParent()">
Identifier = "HeadBasedSamplingTests/testSendingSampledDistributedTraceWithParent_throughTracerAPI()">
</Test>
</SkippedTests>
</TestableReference>
Expand Down Expand Up @@ -232,11 +232,6 @@
BlueprintName = "DatadogTraceTests tvOS"
ReferencedContainer = "container:Datadog.xcodeproj">
</BuildableReference>
<SkippedTests>
<Test
Identifier = "DatadogTracer_SamplingTests/testWhenRootSpanIsSampled_thenAllChildSpansMustBeSampledTheSameWay()">
</Test>
</SkippedTests>
</TestableReference>
<TestableReference
skipped = "NO">
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -107,22 +107,19 @@ internal struct DebugManualTraceInjectionView: View {

switch selectedTraceHeaderType {
case .datadog:
let writer = HTTPHeadersWriter(sampleRate: sampleRate)
let writer = HTTPHeadersWriter(samplingStrategy: .custom(sampleRate: sampleRate))
Tracer.shared().inject(spanContext: span.context, writer: writer)
writer.traceHeaderFields.forEach { request.setValue($0.value, forHTTPHeaderField: $0.key) }
case .w3c:
let writer = W3CHTTPHeadersWriter(
sampleRate: sampleRate,
tracestate: [:]
)
let writer = W3CHTTPHeadersWriter(samplingStrategy: .custom(sampleRate: sampleRate), tracestate: [:])
Tracer.shared().inject(spanContext: span.context, writer: writer)
writer.traceHeaderFields.forEach { request.setValue($0.value, forHTTPHeaderField: $0.key) }
case .b3Single:
let writer = B3HTTPHeadersWriter(sampleRate: sampleRate, injectEncoding: .single)
let writer = B3HTTPHeadersWriter(samplingStrategy: .custom(sampleRate: sampleRate), injectEncoding: .single)
Tracer.shared().inject(spanContext: span.context, writer: writer)
writer.traceHeaderFields.forEach { request.setValue($0.value, forHTTPHeaderField: $0.key) }
case .b3Multiple:
let writer = B3HTTPHeadersWriter(sampleRate: sampleRate, injectEncoding: .multiple)
let writer = B3HTTPHeadersWriter(samplingStrategy: .custom(sampleRate: sampleRate), injectEncoding: .multiple)
Tracer.shared().inject(spanContext: span.context, writer: writer)
writer.traceHeaderFields.forEach { request.setValue($0.value, forHTTPHeaderField: $0.key) }
}
Expand Down
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