pkg/rules/gin/gin_server_setup.go

// Copyright (c) 2024 Alibaba Group Holding Ltd.
//
// 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 gin

import (
	_ "unsafe"

	"github.com/alibaba/opentelemetry-go-auto-instrumentation/pkg/api"
	"go.opentelemetry.io/otel/sdk/trace"

	"github.com/gin-gonic/gin"
)

//go:linkname nextOnEnter github.com/gin-gonic/gin.nextOnEnter
func nextOnEnter(call api.CallContext, c *gin.Context) {
	if !ginEnabler.Enable() {
		return
	}
	if c == nil {
		return
	}
	lcs := trace.LocalRootSpanFromGLS()
	if lcs != nil && c.FullPath() != "" && c.Request != nil && c.Request.URL != nil && (c.FullPath() != c.Request.URL.Path) {
		lcs.SetName(c.FullPath())
	}
}