56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// -*- mode: C++ -*-
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/* This file is auto-generated by run_glean_parser.py.
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It is only for internal use by types in
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toolkit/components/glean/bindings/private */
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#include "mozilla/glean/bindings/EventGIFFTMap.h"
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#include "mozilla/glean/bindings/GleanJSMetricsLookup.h"
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#include "mozilla/glean/bindings/jog/JOG.h"
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#define DYNAMIC_METRIC_BIT (26)
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#define GLEAN_METRIC_ID(id) ((id) & ((1ULL << 27) - 1))
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namespace mozilla::glean {
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using Telemetry::EventID;
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Maybe<EventID> EventIdForMetric(uint32_t aId) {
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switch(aId) {
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case 20: { // test.nested.event_metric
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return Some(EventID::EventMetric_EnumNames_AreStrange);
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}
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case 21: { // test.nested.event_metric_with_extra
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return Some(EventID::EventMetric_EnumName_WithExtra);
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}
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default: {
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if (MOZ_UNLIKELY(aId & (1 << DYNAMIC_METRIC_BIT))) {
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// Dynamic (runtime-registered) metric. Use its static (compiletime-
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// registered) metric's telemetry_mirror mapping.
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// ...if applicable.
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// Only JS can use dynamic (runtime-registered) metric ids.
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MOZ_ASSERT(NS_IsMainThread());
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auto metricName = JOG::GetMetricName(aId);
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// All of these should have names, but the storage only lasts until
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// XPCOMWillShutdown, so it might return `Nothing()`.
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if (metricName.isSome()) {
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auto maybeMetric = MetricByNameLookup(metricName.ref());
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if (maybeMetric.isSome()) {
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uint32_t staticId = GLEAN_METRIC_ID(maybeMetric.value());
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// Let's ensure we don't infinite loop, huh.
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MOZ_ASSERT(!(staticId & (1 << DYNAMIC_METRIC_BIT)));
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return EventIdForMetric(staticId);
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}
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}
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}
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return Nothing();
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}
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}
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}
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} // namespace mozilla::glean
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#undef GLEAN_METRIC_ID
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#undef DYNAMIC_METRIC_BIT
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