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30 lines
552 B
Go
30 lines
552 B
Go
package caller
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import (
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"runtime"
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"strings"
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)
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func callerInfo(i int) string {
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ptr, _, _, ok := runtime.Caller(i)
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fName := "unknown"
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if ok {
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f := runtime.FuncForPC(ptr)
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if f != nil {
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// f.Name() is like: github.com/docker/libnetwork/caller.MethodName
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tmp := strings.Split(f.Name(), ".")
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if len(tmp) > 0 {
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fName = tmp[len(tmp)-1]
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}
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}
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}
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return fName
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}
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// Name returns the name of the function at the specified level.
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// (level == 0 means current method name).
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func Name(level int) string {
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return callerInfo(2 + level)
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}
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