68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package log
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import (
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"context"
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"io"
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"log/slog"
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"path/filepath"
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"runtime"
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"strings"
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sdktrace "go.opentelemetry.io/otel/trace"
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)
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var projectRoot = getCompileTimeModuleRoot()
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func getCompileTimeModuleRoot() string {
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// 获取当前函数的调用信息
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_, file, _, ok := runtime.Caller(0)
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if !ok {
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return ""
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}
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// file 就是编译时的绝对路径
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return filepath.Dir(filepath.Dir(file))
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}
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func isProjectFile(file string) bool {
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// 检查文件是否在编译时的模块根目录下
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if projectRoot != "" {
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if rel, err := filepath.Rel(projectRoot, file); err == nil {
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if !strings.HasPrefix(rel, "..") {
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return true
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}
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}
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}
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// 其他回退逻辑...
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return false
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}
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func NewContextHandler(w io.Writer, encoding string, opts *slog.HandlerOptions) slog.Handler {
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if strings.EqualFold(encoding, "json") {
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return &ContextHandler{
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Handler: slog.NewJSONHandler(w, opts),
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}
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}
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return &ContextHandler{
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Handler: slog.NewTextHandler(w, opts),
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}
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}
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type ContextHandler struct {
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slog.Handler
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encoding string
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}
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func (h *ContextHandler) Handle(ctx context.Context, r slog.Record) error {
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var attrs []slog.Attr
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spanCtx := sdktrace.SpanContextFromContext(ctx)
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if spanCtx.HasTraceID() {
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attrs = append(attrs, slog.String("trace", spanCtx.TraceID().String()))
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}
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if spanCtx.HasSpanID() {
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attrs = append(attrs, slog.String("span", spanCtx.SpanID().String()))
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}
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r.AddAttrs(attrs...)
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return h.Handler.Handle(ctx, r)
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}
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