mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-28 21:21:40 -05:00
145 lines
3.4 KiB
Go
145 lines
3.4 KiB
Go
// Copyright 2024 The Hugo Authors. All rights reserved.
|
|
// Some functions in this file (see comments) is based on the Go source code,
|
|
// copyright The Go Authors and governed by a BSD-style license.
|
|
//
|
|
// 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.
|
|
|
|
package loggers
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/bep/logg"
|
|
"github.com/gohugoio/hugo/common/hashing"
|
|
)
|
|
|
|
// PanicOnWarningHook panics on warnings.
|
|
var PanicOnWarningHook = func(e *logg.Entry) error {
|
|
if e.Level != logg.LevelWarn {
|
|
return nil
|
|
}
|
|
panic(e.Message)
|
|
}
|
|
|
|
func newLogLevelCounter() *logLevelCounter {
|
|
return &logLevelCounter{
|
|
counters: make(map[logg.Level]int),
|
|
}
|
|
}
|
|
|
|
func newLogOnceHandler(threshold logg.Level) *logOnceHandler {
|
|
return &logOnceHandler{
|
|
threshold: threshold,
|
|
seen: make(map[uint64]bool),
|
|
}
|
|
}
|
|
|
|
func newStopHandler(h ...logg.Handler) *stopHandler {
|
|
return &stopHandler{
|
|
handlers: h,
|
|
}
|
|
}
|
|
|
|
func newSuppressStatementsHandler(statements map[string]bool) *suppressStatementsHandler {
|
|
return &suppressStatementsHandler{
|
|
statements: statements,
|
|
}
|
|
}
|
|
|
|
type logLevelCounter struct {
|
|
mu sync.RWMutex
|
|
counters map[logg.Level]int
|
|
}
|
|
|
|
func (h *logLevelCounter) HandleLog(e *logg.Entry) error {
|
|
h.mu.Lock()
|
|
defer h.mu.Unlock()
|
|
h.counters[e.Level]++
|
|
return nil
|
|
}
|
|
|
|
var errStop = fmt.Errorf("stop")
|
|
|
|
type logOnceHandler struct {
|
|
threshold logg.Level
|
|
mu sync.Mutex
|
|
seen map[uint64]bool
|
|
}
|
|
|
|
func (h *logOnceHandler) HandleLog(e *logg.Entry) error {
|
|
if e.Level < h.threshold {
|
|
// We typically only want to enable this for warnings and above.
|
|
// The common use case is that many go routines may log the same error.
|
|
return nil
|
|
}
|
|
h.mu.Lock()
|
|
defer h.mu.Unlock()
|
|
hash := hashing.HashUint64(e.Level, e.Message, e.Fields)
|
|
if h.seen[hash] {
|
|
return errStop
|
|
}
|
|
h.seen[hash] = true
|
|
return nil
|
|
}
|
|
|
|
func (h *logOnceHandler) reset() {
|
|
h.mu.Lock()
|
|
defer h.mu.Unlock()
|
|
h.seen = make(map[uint64]bool)
|
|
}
|
|
|
|
type stopHandler struct {
|
|
handlers []logg.Handler
|
|
}
|
|
|
|
// HandleLog implements logg.Handler.
|
|
func (h *stopHandler) HandleLog(e *logg.Entry) error {
|
|
for _, handler := range h.handlers {
|
|
if err := handler.HandleLog(e); err != nil {
|
|
if err == errStop {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type suppressStatementsHandler struct {
|
|
statements map[string]bool
|
|
}
|
|
|
|
func (h *suppressStatementsHandler) HandleLog(e *logg.Entry) error {
|
|
for _, field := range e.Fields {
|
|
if field.Name == FieldNameStatementID {
|
|
if h.statements[field.Value.(string)] {
|
|
return errStop
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// whiteSpaceTrimmer creates a new log handler that trims whitespace from log messages and string fields.
|
|
func whiteSpaceTrimmer() logg.Handler {
|
|
return logg.HandlerFunc(func(e *logg.Entry) error {
|
|
e.Message = strings.TrimSpace(e.Message)
|
|
for i, field := range e.Fields {
|
|
if s, ok := field.Value.(string); ok {
|
|
e.Fields[i].Value = strings.TrimSpace(s)
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
}
|