mirror of
https://gitee.com/johng/gf
synced 2026-06-06 16:21:40 +08:00
40 lines
795 B
Go
40 lines
795 B
Go
package main
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import (
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"github.com/gogf/gf/contrib/trace/jaeger/v2"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/net/ghttp"
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"github.com/gogf/gf/v2/net/gtrace"
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"github.com/gogf/gf/v2/os/gctx"
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)
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const (
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ServiceName = "http-server"
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JaegerUdpEndpoint = "localhost:6831"
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)
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func main() {
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var ctx = gctx.New()
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tp, err := jaeger.Init(ServiceName, JaegerUdpEndpoint)
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if err != nil {
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g.Log().Fatal(ctx, err)
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}
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defer tp.Shutdown(ctx)
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s := g.Server()
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s.Group("/", func(group *ghttp.RouterGroup) {
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group.GET("/hello", HelloHandler)
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})
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s.SetPort(8199)
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s.Run()
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}
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func HelloHandler(r *ghttp.Request) {
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ctx, span := gtrace.NewSpan(r.Context(), "HelloHandler")
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defer span.End()
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value := gtrace.GetBaggageVar(ctx, "name").String()
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r.Response.Write("hello:", value)
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}
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