windows_exporter/internal/pdh/error.go
Jan-Otto Kröpke a9f8b3b722
process: Use registry collector for V1 data (#1814)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
2024-12-21 22:58:47 +01:00

54 lines
1.2 KiB
Go

// Copyright 2024 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build windows
package pdh
import "errors"
var (
ErrNoData = NewPdhError(NoData)
ErrPerformanceCounterNotInitialized = errors.New("performance counter not initialized")
)
// Error represents error returned from Performance Counters API.
type Error struct {
ErrorCode uint32
errorText string
}
func (m *Error) Is(err error) bool {
if err == nil {
return false
}
var e *Error
if errors.As(err, &e) {
return m.ErrorCode == e.ErrorCode
}
return false
}
func (m *Error) Error() string {
return m.errorText
}
func NewPdhError(code uint32) error {
return &Error{
ErrorCode: code,
errorText: FormatError(code),
}
}