/
serialize.go
71 lines (62 loc) · 1.82 KB
/
serialize.go
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/*
* Copyright 2019 Insolar Technologies
*
* 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 instracer
import (
"context"
"github.com/ugorji/go/codec"
"go.opencensus.io/trace"
)
// MustSerialize encode baggage entries from bytes, panics on error.
func MustSerialize(ctx context.Context) []byte {
b, err := Serialize(ctx)
if err != nil {
panic(err)
}
return b
}
// Serialize encode baggage entries to bytes.
func Serialize(ctx context.Context) ([]byte, error) {
var tracespan TraceSpan
span := trace.FromContext(ctx)
if span != nil {
sc := span.SpanContext()
tracespan.SpanID = sc.SpanID[:]
tracespan.TraceID = sc.TraceID[:]
}
tracespan.Entries = GetBaggage(ctx)
return tracespan.Serialize()
}
// MustDeserialize decode baggage entries from bytes, panics on error.
func MustDeserialize(b []byte) TraceSpan {
ts, err := Deserialize(b)
if err != nil {
panic(err)
}
return ts
}
// Deserialize decode baggage entries from bytes.
func Deserialize(b []byte) (TraceSpan, error) {
var ts TraceSpan
ch := new(codec.CborHandle)
err := codec.NewDecoderBytes(b, ch).Decode(&ts)
return ts, err
}
// Serialize method encodes TraceSpan to bytes.
func (ts TraceSpan) Serialize() (b []byte, err error) {
ch := new(codec.CborHandle)
err = codec.NewEncoderBytes(&b, ch).Encode(ts)
return
}