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ceph-csi/vendor/github.com/ansel1/merry/v2/config.go
Rakshith R e72ed593be rebase: vendor files required for kmip
Signed-off-by: Rakshith R <rar@redhat.com>
2022-08-18 07:41:42 +00:00

89 lines
2.5 KiB
Go

package merry
import (
"sync"
)
var maxStackDepth = 50
var captureStacks = true
// StackCaptureEnabled returns whether stack capturing is enabled.
func StackCaptureEnabled() bool {
return captureStacks
}
// SetStackCaptureEnabled sets stack capturing globally. Disabling stack capture can increase performance.
// Capture can be forced or suppressed to override this global setting on a particular error.
func SetStackCaptureEnabled(enabled bool) {
captureStacks = enabled
}
// MaxStackDepth returns the number of frames captured in stacks.
func MaxStackDepth() int {
return maxStackDepth
}
// SetMaxStackDepth sets the MaxStackDepth.
func SetMaxStackDepth(depth int) {
maxStackDepth = depth
}
func init() {
RegisterDetail("User Message", errKeyUserMessage)
RegisterDetail("HTTP Code", errKeyHTTPCode)
}
var detailsLock sync.Mutex
var detailFields = map[string]func(err error) interface{}{}
// RegisterDetail registers an error property key in a global registry, with a label.
// See RegisterDetailFunc. This function just wraps a call to Value(key) and passes
// it to RegisterDetailFunc.
func RegisterDetail(label string, key interface{}) {
RegisterDetailFunc(label, func(err error) interface{} {
return Value(err, key)
})
}
// RegisterDetailFunc registers a label and a function for extracting a value from
// an error. When formatting errors produced by this package using the
// `%+v` placeholder, or when using Details(), these functions will be called
// on the error, and any non-nil values will be added to the text.
// For example:
//
// err := New("boom")
// err = err.WithValue(colorKey, "red")
// fmt.Println(Details(err))
//
// // Output:
// // boom
// //
// // <stacktrace>
//
// func Color(err) string {
// s, _ := Value(err, colorKey)
// return s
// }
//
// RegisterDetailFunc("color", Color)
// fmt.Println(Details(err))
//
// // Output:
// // boom
// // color: red
// //
// // <stacktrace>
//
// Error property keys are typically not exported by the packages which define them.
// Packages instead export functions which let callers access that property.
// It's therefore up to the package
// to register those properties which would make sense to include in the Details() output.
// In other words, it's up to the author of the package which generates the errors
// to publish printable error details, not the callers of the package.
func RegisterDetailFunc(label string, f func(err error) interface{}) {
detailsLock.Lock()
defer detailsLock.Unlock()
detailFields[label] = f
}