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This file was deleted.

Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,6 @@ public <C> Context extract(Context context, C carrier, TextMapGetter<C> getter)
context =
context.with(TriggerTraceContextKey.XTRACE_OPTIONS_SIGNATURE, traceOptionsSignature);
}
PropagatedContext.set(xTraceOptions);
}

final String traceState = getter.get(carrier, TRACE_STATE);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -104,77 +104,68 @@ public SamplingResult shouldSample(

final SamplingResult samplingResult;
final AttributesBuilder additionalAttributesBuilder = Attributes.builder();
XtraceOptions xTraceOptions = parentContext.get(TriggerTraceContextKey.KEY);

if (xTraceOptions == null) {
xTraceOptions = PropagatedContext.getXtraceOptions();
}
final XtraceOptions xTraceOptions = parentContext.get(TriggerTraceContextKey.KEY);

String xtraceOptionsResponseStr = null;
List<String> signals =
Arrays.asList(
constructUrl(attributes), String.format(LAYER_NAME_PLACEHOLDER, spanKind, name.trim()));

try {
if (!parentSpanContext.isValid()) { // no valid traceparent, it is a new trace
TraceDecision traceDecision = shouldTraceRequest(name, null, xTraceOptions, signals);
samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, true);
XTraceOptionsResponse xtraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, true);
if (!parentSpanContext.isValid()) { // no valid traceparent, it is a new trace
TraceDecision traceDecision = shouldTraceRequest(name, null, xTraceOptions, signals);
samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, true);
XTraceOptionsResponse xtraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, true);

if (xtraceOptionsResponse != null) {
xtraceOptionsResponseStr = xtraceOptionsResponse.toString();
}
if (xtraceOptionsResponse != null) {
xtraceOptionsResponseStr = xtraceOptionsResponse.toString();
}

} else if (parentSpanContext.isRemote()) {
final String swTraceState = traceState.get(SW_TRACESTATE_KEY);

if (SamplingUtil.isValidSwTraceState(swTraceState)) { // pass through for request counting
additionalAttributesBuilder.put(Constants.SW_PARENT_ID, swTraceState.split("-")[0]);
final String xTraceId = Util.w3cContextToHexString(parentSpanContext);
final TraceDecision traceDecision =
shouldTraceRequest(name, xTraceId, xTraceOptions, signals);

samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, false);
final XTraceOptionsResponse xTraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, false);

if (xTraceOptionsResponse != null) {
xtraceOptionsResponseStr = xTraceOptionsResponse.toString();
}

} else { // no swTraceState, treat it as a new trace
final TraceDecision traceDecision =
shouldTraceRequest(name, null, xTraceOptions, signals);
samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, true);

final XTraceOptionsResponse xTraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, true);
if (xTraceOptionsResponse != null) {
xtraceOptionsResponseStr = xTraceOptionsResponse.toString();
}
}
} else if (parentSpanContext.isRemote()) {
final String swTraceState = traceState.get(SW_TRACESTATE_KEY);

if (SamplingUtil.isValidSwTraceState(swTraceState)) { // pass through for request counting
additionalAttributesBuilder.put(Constants.SW_PARENT_ID, swTraceState.split("-")[0]);
final String xTraceId = Util.w3cContextToHexString(parentSpanContext);
final TraceDecision traceDecision =
shouldTraceRequest(name, xTraceId, xTraceOptions, signals);

samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, false);
final XTraceOptionsResponse xTraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, false);

final String traceStateValue = parentContext.get(TraceStateKey.KEY);
if (traceStateValue != null) {
additionalAttributesBuilder.put(Constants.SW_UPSTREAM_TRACESTATE, traceStateValue);
if (xTraceOptionsResponse != null) {
xtraceOptionsResponseStr = xTraceOptionsResponse.toString();
}

} else { // local span, continue with parent based sampling
samplingResult =
Sampler.parentBased(Sampler.alwaysOff())
.shouldSample(parentContext, traceId, name, spanKind, attributes, parentLinks);
} else { // no swTraceState, treat it as a new trace
final TraceDecision traceDecision = shouldTraceRequest(name, null, xTraceOptions, signals);
samplingResult = toOtSamplingResult(traceDecision, xTraceOptions, true);

final XTraceOptionsResponse xTraceOptionsResponse =
XTraceOptionsResponse.computeResponse(xTraceOptions, traceDecision, true);
if (xTraceOptionsResponse != null) {
xtraceOptionsResponseStr = xTraceOptionsResponse.toString();
}
}

SamplingResult result =
TraceStateSamplingResult.wrap(
samplingResult, additionalAttributesBuilder.build(), xtraceOptionsResponseStr);
final String traceStateValue = parentContext.get(TraceStateKey.KEY);
if (traceStateValue != null) {
additionalAttributesBuilder.put(Constants.SW_UPSTREAM_TRACESTATE, traceStateValue);
}

logger.trace(String.format("Sampling decision: %s", result.getDecision()));
return result;
} finally {
PropagatedContext.clear();
} else { // local span, continue with parent based sampling
samplingResult =
Sampler.parentBased(Sampler.alwaysOff())
.shouldSample(parentContext, traceId, name, spanKind, attributes, parentLinks);
}

SamplingResult result =
TraceStateSamplingResult.wrap(
samplingResult, additionalAttributesBuilder.build(), xtraceOptionsResponseStr);

logger.trace(String.format("Sampling decision: %s", result.getDecision()));
return result;
}

String constructUrl(Attributes attributes) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -203,22 +203,6 @@ void verifyThatXtraceOptionsSignatureIsExtractedAndPutIntoContext() {
assertEquals("test-sig", newContext.get(XTRACE_OPTIONS_SIGNATURE));
}

@Test
void verifyThatExtractPopulatesPropagatedContext() {
PropagatedContext.clear();
final Map<String, String> carrier =
new HashMap<String, String>() {
{
put("X-Trace-Options", "trigger-trace;custom-senderhost=chubi;");
}
};

solarwindsContextPropagator.extract(Context.current(), carrier, textMapGetterStub);

assertNotNull(PropagatedContext.getXtraceOptions());
PropagatedContext.clear();
}

@Test
void verifyThatTracestateIsExtractedAndPutIntoContext() {
final Map<String, String> carrier =
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -269,44 +269,6 @@ void returnDropDecisionWhenLocalSpanAndParentIsNotSampled() {
}
}

@Test
void verifyThatSamplerFallsBackToPropagatedContextForRootSpan() {
try (MockedStatic<Span> spanMockedStatic = mockStatic(Span.class);
MockedStatic<TraceDecisionUtil> traceDecisionUtilMockedStatic =
mockStatic(TraceDecisionUtil.class)) {
spanMockedStatic.when(() -> Span.fromContext(any())).thenReturn(spanMock);

when(spanContextMock.isValid()).thenReturn(false);
when(spanMock.getSpanContext()).thenReturn(spanContextMock);

when(traceDecisionMock.isSampled()).thenReturn(false);
when(traceDecisionMock.isReportMetrics()).thenReturn(false);

XtraceOptions realOptions =
XtraceOptions.getXTraceOptions("trigger-trace;custom-senderhost=test;", null);

ArgumentCaptor<XtraceOptions> xtraceCaptor = ArgumentCaptor.forClass(XtraceOptions.class);
traceDecisionUtilMockedStatic
.when(() -> TraceDecisionUtil.shouldTraceRequest(any(), any(), any(), any()))
.thenReturn(traceDecisionMock);

PropagatedContext.set(realOptions);

tested.shouldSample(
Context.root(),
idGenerator.generateTraceId(),
"name",
SpanKind.SERVER,
Attributes.empty(),
Collections.emptyList());

traceDecisionUtilMockedStatic.verify(
() -> TraceDecisionUtil.shouldTraceRequest(any(), any(), xtraceCaptor.capture(), any()));
assertEquals(realOptions, xtraceCaptor.getValue());
assertNull(PropagatedContext.getXtraceOptions());
}
}

@ParameterizedTest
@MethodSource("constructParams")
void testConstructUrl(String expected, Attributes attributes) {
Expand Down
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