frostfs-sdk-go/client/status/common.go
Alex Vanin 9c5d3d9dfa [#168] client: Adopt replacement of pointer slices with struct slices
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2022-03-15 16:59:59 +03:00

125 lines
3.3 KiB
Go

package apistatus
import (
"encoding/binary"
"github.com/nspcc-dev/neofs-api-go/v2/status"
)
// ServerInternal describes failure statuses related to internal server errors.
// Instances provide Status and StatusV2 interfaces.
//
// The status is purely informative, the client should not go into details of the error except for debugging needs.
type ServerInternal struct {
v2 status.Status
}
func (x ServerInternal) Error() string {
return errMessageStatusV2(
globalizeCodeV2(status.Internal, status.GlobalizeCommonFail),
x.v2.Message(),
)
}
// implements local interface defined in FromStatusV2 func.
func (x *ServerInternal) fromStatusV2(st *status.Status) {
x.v2 = *st
}
// ToStatusV2 implements StatusV2 interface method.
// If the value was returned by FromStatusV2, returns the source message.
// Otherwise, returns message with
// * code: INTERNAL;
// * string message: empty;
// * details: empty.
func (x ServerInternal) ToStatusV2() *status.Status {
x.v2.SetCode(globalizeCodeV2(status.Internal, status.GlobalizeCommonFail))
return &x.v2
}
// SetMessage sets message describing internal error.
//
// Message should be used for debug purposes only.
func (x *ServerInternal) SetMessage(msg string) {
x.v2.SetMessage(msg)
}
// Message returns message describing internal server error.
//
// Message should be used for debug purposes only. By default, it is empty.
func (x ServerInternal) Message() string {
return x.v2.Message()
}
// WriteInternalServerErr writes err message to ServerInternal instance.
func WriteInternalServerErr(x *ServerInternal, err error) {
x.SetMessage(err.Error())
}
// WrongMagicNumber describes failure status related to incorrect network magic.
// Instances provide Status and StatusV2 interfaces.
type WrongMagicNumber struct {
v2 status.Status
}
func (x WrongMagicNumber) Error() string {
return errMessageStatusV2(
globalizeCodeV2(status.WrongMagicNumber, status.GlobalizeCommonFail),
x.v2.Message(),
)
}
// implements local interface defined in FromStatusV2 func.
func (x *WrongMagicNumber) fromStatusV2(st *status.Status) {
x.v2 = *st
}
// ToStatusV2 implements StatusV2 interface method.
// If the value was returned by FromStatusV2, returns the source message.
// Otherwise, returns message with
// * code: WRONG_MAGIC_NUMBER;
// * string message: empty;
// * details: empty.
func (x WrongMagicNumber) ToStatusV2() *status.Status {
x.v2.SetCode(globalizeCodeV2(status.WrongMagicNumber, status.GlobalizeCommonFail))
return &x.v2
}
// WriteCorrectMagic writes correct network magic.
func (x *WrongMagicNumber) WriteCorrectMagic(magic uint64) {
// serialize the number
buf := make([]byte, 8)
binary.BigEndian.PutUint64(buf, magic)
// create corresponding detail
var d status.Detail
d.SetID(status.DetailIDCorrectMagic)
d.SetValue(buf)
// attach the detail
x.v2.AppendDetails(d)
}
// CorrectMagic returns network magic returned by the server.
// Second value indicates presence status:
// * -1 if number is presented in incorrect format
// * 0 if number is not presented
// * +1 otherwise
func (x WrongMagicNumber) CorrectMagic() (magic uint64, ok int8) {
x.v2.IterateDetails(func(d *status.Detail) bool {
if d.ID() == status.DetailIDCorrectMagic {
if val := d.Value(); len(val) == 8 {
magic = binary.BigEndian.Uint64(val)
ok = 1
} else {
ok = -1
}
}
return ok != 0
})
return
}