generators.go

// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"fmt"
	"io"
)

func generateTraceID(seed io.Reader) string {
	var r [16]byte
	_, err := seed.Read(r[:])
	if err != nil {
		panic(err)
	}
	return fmt.Sprintf("%x", r)
}

func generateSpanID(seed io.Reader) string {
	var r [8]byte
	_, err := seed.Read(r[:])
	if err != nil {
		panic(err)
	}
	return fmt.Sprintf("%x", r)
}