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https://gitee.com/milvus-io/milvus.git
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57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 segments
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/*
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#cgo pkg-config: milvus_segcore
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#include "segcore/segment_c.h"
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*/
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import "C"
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import (
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"context"
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"unsafe"
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"go.opentelemetry.io/otel/trace"
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)
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// CTraceContext is the wrapper for `C.CTraceContext`
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// it stores the internal C.CTraceContext and
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type CTraceContext struct {
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traceID trace.TraceID
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spanID trace.SpanID
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ctx C.CTraceContext
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}
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// ParseCTraceContext parses tracing span and convert it into `C.CTraceContext`.
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func ParseCTraceContext(ctx context.Context) *CTraceContext {
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span := trace.SpanFromContext(ctx)
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cctx := &CTraceContext{
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traceID: span.SpanContext().TraceID(),
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spanID: span.SpanContext().SpanID(),
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}
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cctx.ctx = C.CTraceContext{
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traceID: (*C.uint8_t)(unsafe.Pointer(&cctx.traceID[0])),
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spanID: (*C.uint8_t)(unsafe.Pointer(&cctx.spanID[0])),
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traceFlags: (C.uint8_t)(span.SpanContext().TraceFlags()),
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}
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return cctx
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}
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