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45 lines
1.2 KiB
45 lines
1.2 KiB
10 months ago
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// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "opentelemetry/context/context.h"
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#include "opentelemetry/nostd/shared_ptr.h"
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#include "opentelemetry/trace/default_span.h"
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#include "opentelemetry/version.h"
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OPENTELEMETRY_BEGIN_NAMESPACE
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namespace trace
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{
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// Get Span from explicit context
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inline nostd::shared_ptr<Span> GetSpan(const context::Context &context) noexcept
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{
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context::ContextValue span = context.GetValue(kSpanKey);
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if (nostd::holds_alternative<nostd::shared_ptr<Span>>(span))
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{
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return nostd::get<nostd::shared_ptr<Span>>(span);
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}
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return nostd::shared_ptr<Span>(new DefaultSpan(SpanContext::GetInvalid()));
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}
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inline bool IsRootSpan(const context::Context &context) noexcept
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{
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context::ContextValue is_root_span = context.GetValue(kIsRootSpanKey);
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if (nostd::holds_alternative<bool>(is_root_span))
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{
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return nostd::get<bool>(is_root_span);
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}
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return false;
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}
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// Set Span into explicit context
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inline context::Context SetSpan(context::Context &context,
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const nostd::shared_ptr<Span> &span) noexcept
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{
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return context.SetValue(kSpanKey, span);
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}
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} // namespace trace
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OPENTELEMETRY_END_NAMESPACE
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