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add util to tracing to get function name, and further COGS constants #355

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merged 1 commit into from
Dec 12, 2022
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add util to tracing to get function name, and further COGS constants #355

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9 changes: 6 additions & 3 deletions tracing/cogs/cogs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,10 @@ package cogs

// const values used in setting span attributes for COGS: Cost Of Goods Sold.
const (
CostOfGoodsKey = "cogs"
CostOfGoodsMethodKey = "cogs.method"
CostOfGoodsAccountID = "cogs.accountID"
CostOfGoodsKey = "cogs"
CostOfGoodsMethodKey = "cogs.method"
CostOfGoodsAccountID = "cogs.accountID"
CostOfGoodsRDS = "cogs.rds"
CostOfGoodS3 = "cogs.s3"
CostOfGoodElasticSearch = "cogs.elasticsearch"
)
21 changes: 21 additions & 0 deletions tracing/util.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
package tracing

import (
"runtime"
)

// ThisFunction returns calling function name
func ThisFunction() string {
pc := make([]uintptr, 32)
runtime.Callers(2, pc)
return runtime.FuncForPC(pc[0]).Name()
}

// Trace returns calling function file name, line number and name
func Trace() (file string, line int, name string) {
pc := make([]uintptr, 32)
runtime.Callers(2, pc)
f := runtime.FuncForPC(pc[0])
file, line = f.FileLine(pc[0])
return file, line, f.Name()
}