104 lines
2.7 KiB
Go
104 lines
2.7 KiB
Go
|
package status
|
||
|
|
|
||
|
|
const sectionBitSize = 10
|
||
|
|
|
||
|
|
// InSections checks if the Code is in [i,j] section list.
|
||
|
|
func (x Code) InSections(i, j uint32) bool {
|
||
|
|
return uint32(x) >= i<<sectionBitSize && uint32(x) < (j+1)<<sectionBitSize
|
||
|
|
}
|
||
|
|
|
||
|
|
// LocalizeSection localizes the Code to the sec-th section.
|
||
|
|
//
|
||
|
|
// Does not make sense if the Code is outside the section.
|
||
|
|
func (x *Code) LocalizeSection(sec uint32) {
|
||
|
|
*x = *x - Code(sec<<sectionBitSize)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GlobalizeSection globalizes the Code of the sec-th section.
|
||
|
|
//
|
||
|
|
// Does not make sense if the Code is outside the section.
|
||
|
|
func (x *Code) GlobalizeSection(sec uint32) {
|
||
|
|
*x = *x + Code(sec<<sectionBitSize)
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsInSection returns true if the Code belongs to sec-th section.
|
||
|
|
func IsInSection(code Code, sec uint32) bool {
|
||
|
|
return code.InSections(sec, sec)
|
||
|
|
}
|
||
|
|
|
||
|
|
const successSections = 1
|
||
|
|
|
||
|
|
// IsSuccess checks if the Code is a success code.
|
||
|
|
func IsSuccess(c Code) bool {
|
||
|
|
return c.InSections(0, successSections-1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// LocalizeSuccess localizes the Code to the success section.
|
||
|
|
func LocalizeSuccess(c *Code) {
|
||
|
|
c.LocalizeSection(0)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GlobalizeSuccess globalizes the Code to the success section.
|
||
|
|
func GlobalizeSuccess(c *Code) {
|
||
|
|
c.GlobalizeSection(0)
|
||
|
|
}
|
||
|
|
|
||
|
|
func sectionAfterSuccess(sec uint32) uint32 {
|
||
|
|
return successSections + sec
|
||
|
|
}
|
||
|
|
|
||
|
|
// Success codes.
|
||
|
|
const (
|
||
|
|
// OK is a local status Code value for default success.
|
||
|
|
OK Code = iota
|
||
|
|
)
|
||
|
|
|
||
|
|
// Common failure codes.
|
||
|
|
const (
|
||
|
|
// Internal is a local Code value for INTERNAL failure status.
|
||
|
|
Internal Code = iota
|
||
|
|
// WrongMagicNumber is a local Code value for WRONG_MAGIC_NUMBER failure status.
|
||
|
|
WrongMagicNumber
|
||
|
|
// SignatureVerificationFail is a local Code value for SIGNATURE_VERIFICATION_FAIL status.
|
||
|
|
SignatureVerificationFail
|
||
|
|
// NodeUnderMaintenance is a local Code value for NODE_UNDER_MAINTENANCE status.
|
||
|
|
NodeUnderMaintenance
|
||
|
|
// InvalidArgument is a local Code value for INVALID_ARGUMENT status.
|
||
|
|
InvalidArgument
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
_ = iota - 1
|
||
|
|
sectionCommon
|
||
|
|
)
|
||
|
|
|
||
|
|
// IsCommonFail checks if the Code is a common failure code.
|
||
|
|
func IsCommonFail(c Code) bool {
|
||
|
|
return IsInSection(c, sectionAfterSuccess(sectionCommon))
|
||
|
|
}
|
||
|
|
|
||
|
|
// LocalizeCommonFail localizes the Code to the common fail section.
|
||
|
|
func LocalizeCommonFail(c *Code) {
|
||
|
|
c.LocalizeSection(sectionAfterSuccess(sectionCommon))
|
||
|
|
}
|
||
|
|
|
||
|
|
// GlobalizeCommonFail globalizes the Code to the common fail section.
|
||
|
|
func GlobalizeCommonFail(c *Code) {
|
||
|
|
c.GlobalizeSection(sectionAfterSuccess(sectionCommon))
|
||
|
|
}
|
||
|
|
|
||
|
|
// LocalizeIfInSection checks if passed global status.Code belongs to the section and:
|
||
|
|
//
|
||
|
|
// then localizes the code and returns true,
|
||
|
|
// else leaves the code unchanged and returns false.
|
||
|
|
//
|
||
|
|
// Arg must not be nil.
|
||
|
|
func LocalizeIfInSection(c *Code, sec uint32) bool {
|
||
|
|
if IsInSection(*c, sec) {
|
||
|
|
c.LocalizeSection(sec)
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
return false
|
||
|
|
}
|