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36 lines
1 KiB
C++
36 lines
1 KiB
C++
// 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/baggage/baggage.h"
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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/version.h"
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OPENTELEMETRY_BEGIN_NAMESPACE
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namespace baggage
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{
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static const std::string kBaggageHeader = "baggage";
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inline nostd::shared_ptr<Baggage> GetBaggage(const context::Context &context) noexcept
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{
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context::ContextValue context_value = context.GetValue(kBaggageHeader);
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if (nostd::holds_alternative<nostd::shared_ptr<Baggage>>(context_value))
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{
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return nostd::get<nostd::shared_ptr<Baggage>>(context_value);
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}
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static nostd::shared_ptr<Baggage> empty_baggage{new Baggage()};
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return empty_baggage;
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}
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inline context::Context SetBaggage(context::Context &context,
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const nostd::shared_ptr<Baggage> &baggage) noexcept
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{
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return context.SetValue(kBaggageHeader, baggage);
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}
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} // namespace baggage
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OPENTELEMETRY_END_NAMESPACE
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