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#include "source/extensions/tracers/zipkin/util.h"
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#include <chrono>

            

        

            

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#include <random>

            

        

            

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#include <regex>

            

        

            

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#include "source/common/common/hex.h"

            

        

            

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#include "source/common/common/utility.h"

            

        

            

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#include "absl/strings/str_cat.h"

            

        

            

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#include "absl/strings/str_join.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Extensions {

            

        

            

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namespace Tracers {

            

        

            

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namespace Zipkin {

            

        

            

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uint64_t Util::generateRandom64(TimeSource& time_source) {

            

        

            

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  uint64_t seed = std::chrono::duration_cast<std::chrono::nanoseconds>(

            

        

            

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                      time_source.systemTime().time_since_epoch())

            

        

            

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                      .count();

            

        

            

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  std::mt19937_64 rand_64(seed);

            

        

            

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  return rand_64();

            

        

            

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}

            

        

            

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Protobuf::Value Util::uint64Value(uint64_t value, absl::string_view name,

            

        

            

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                                  Replacements& replacements) {

            

        

            

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  const std::string string_value = std::to_string(value);

            

        

            

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  replacements.push_back({absl::StrCat("\"", name, "\":\"", string_value, "\""),

            

        

            

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                          absl::StrCat("\"", name, "\":", string_value)});

            

        

            

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  return ValueUtil::stringValue(string_value);

            

        

            

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}

            

        

            

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} // namespace Zipkin

            

        

            

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} // namespace Tracers

            

        

            

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} // namespace Extensions

            

        

            

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} // namespace Envoy