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d8714e64e4
* Rename middleware to plugin first pass; mostly used 'sed', few spots where I manually changed text. This still builds a coredns binary. * fmt error * Rename AddMiddleware to AddPlugin * Readd AddMiddleware to remain backwards compat
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package response
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import "fmt"
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// Class holds sets of Types
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type Class int
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const (
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// All is a meta class encompassing all the classes.
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All Class = iota
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// Success is a class for a successful response.
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Success
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// Denial is a class for denying existence (NXDOMAIN, or a nodata: type does not exist)
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Denial
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// Error is a class for errors, right now defined as not Success and not Denial
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Error
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)
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func (c Class) String() string {
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switch c {
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case All:
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return "all"
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case Success:
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return "success"
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case Denial:
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return "denial"
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case Error:
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return "error"
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}
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return ""
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}
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// ClassFromString returns the class from the string s. If not class matches
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// the All class and an error are returned
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func ClassFromString(s string) (Class, error) {
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switch s {
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case "all":
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return All, nil
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case "success":
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return Success, nil
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case "denial":
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return Denial, nil
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case "error":
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return Error, nil
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}
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return All, fmt.Errorf("invalid Class: %s", s)
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}
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// Classify classifies the Type t, it returns its Class.
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func Classify(t Type) Class {
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switch t {
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case NoError, Delegation:
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return Success
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case NameError, NoData:
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return Denial
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case OtherError:
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fallthrough
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default:
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return Error
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}
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}
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