mirror of
https://gitee.com/milvus-io/milvus.git
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5769c000a1
Signed-off-by: sunby <bingyi.sun@zilliz.com>
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log
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import (
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"fmt"
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"go.uber.org/zap/zapcore"
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)
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// NewTextCore creates a Core that writes logs to a WriteSyncer.
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func NewTextCore(enc zapcore.Encoder, ws zapcore.WriteSyncer, enab zapcore.LevelEnabler) zapcore.Core {
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return &textIOCore{
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LevelEnabler: enab,
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enc: enc,
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out: ws,
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}
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}
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// textIOCore is a copy of zapcore.ioCore that only accept *textEncoder
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// it can be removed after https://github.com/uber-go/zap/pull/685 be merged
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type textIOCore struct {
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zapcore.LevelEnabler
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enc zapcore.Encoder
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out zapcore.WriteSyncer
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}
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func (c *textIOCore) With(fields []zapcore.Field) zapcore.Core {
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clone := c.clone()
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// it's different to ioCore, here call textEncoder#addFields to fix https://github.com/pingcap/log/issues/3
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switch e := clone.enc.(type) {
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case *textEncoder:
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e.addFields(fields)
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case zapcore.ObjectEncoder:
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for _, field := range fields {
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field.AddTo(e)
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}
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default:
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panic(fmt.Sprintf("unsupported encode type: %T for With operation", clone.enc))
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}
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return clone
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}
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func (c *textIOCore) Check(ent zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
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if c.Enabled(ent.Level) {
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return ce.AddCore(ent, c)
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}
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return ce
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}
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func (c *textIOCore) Write(ent zapcore.Entry, fields []zapcore.Field) error {
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buf, err := c.enc.EncodeEntry(ent, fields)
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if err != nil {
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return err
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}
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_, err = c.out.Write(buf.Bytes())
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buf.Free()
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if err != nil {
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return err
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}
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if ent.Level > zapcore.ErrorLevel {
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// Since we may be crashing the program, sync the output. Ignore Sync
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// errors, pending a clean solution to issue https://github.com/uber-go/zap/issues/370.
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c.Sync()
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}
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return nil
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}
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func (c *textIOCore) Sync() error {
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return c.out.Sync()
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}
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func (c *textIOCore) clone() *textIOCore {
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return &textIOCore{
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LevelEnabler: c.LevelEnabler,
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enc: c.enc.Clone(),
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out: c.out,
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}
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}
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