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42 lines
1.1 KiB
42 lines
1.1 KiB
package utils
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import (
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"path"
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"runtime"
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"github.com/ethereum/go-ethereum/log"
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)
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// WithCallerSkip logs the caller info in three context items "funcFile",
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// "funcLine", and "funcName". skip is the number of frames to skip.
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// 0 adds the info of the caller of this WithCallerSkip.
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func WithCallerSkip(logger log.Logger, skip int) log.Logger {
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pcs := make([]uintptr, 1)
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numPCs := runtime.Callers(2+skip, pcs)
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var ctx []interface{}
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if numPCs >= 1 {
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frames := runtime.CallersFrames(pcs[:numPCs])
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frame, _ := frames.Next()
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if frame.Function != "" {
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ctx = append(ctx, "funcName", frame.Function)
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}
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if frame.File != "" {
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ctx = append(ctx, "funcFile", path.Base(frame.File))
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}
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if frame.Line != 0 {
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ctx = append(ctx, "funcLine", frame.Line)
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}
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}
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return logger.New(ctx...)
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}
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// WithCaller logs the caller info in three context items "funcFile",
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// "funcLine", and "funcName".
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func WithCaller(logger log.Logger) log.Logger {
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return WithCallerSkip(logger, 1)
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}
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// GetLogger is a shorthand for WithCaller(GetLogInstance()).
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func GetLogger() log.Logger {
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return WithCallerSkip(GetLogInstance(), 1)
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}
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