mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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b04db14146
* named tracer prototype * rename Manager to Provider. * fix compile error after merge. * rename Tracer method to GetTracer * provider with options. * update test. * cleanup make circl-ci * remove global config. * some cleanup. * use provider for bridge * update propagation test. * update examples and plugins. * remove GlobalTracer methods. * fix review comments. * some more cleanup. * remove unnecessary getTracer call in benchmark test.
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// Copyright 2019, OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package trace
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import (
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crand "crypto/rand"
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"encoding/binary"
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"math/rand"
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"go.opentelemetry.io/sdk/trace/internal"
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)
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func defIDGenerator() internal.IDGenerator {
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gen := &defaultIDGenerator{}
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// initialize traceID and spanID generators.
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var rngSeed int64
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for _, p := range []interface{}{
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&rngSeed, &gen.traceIDAdd, &gen.nextSpanID, &gen.spanIDInc,
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} {
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_ = binary.Read(crand.Reader, binary.LittleEndian, p)
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}
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gen.traceIDRand = rand.New(rand.NewSource(rngSeed))
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gen.spanIDInc |= 1
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return gen
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} |