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logger.go
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logger.go
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package logger
import (
"encoding/json"
"fmt"
"log"
"sync"
"github.com/yitume/muses/pkg/common"
"github.com/BurntSushi/toml"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var defaultCaller = &callerStore{
Name: common.ModLoggerName,
}
type callerStore struct {
Name string
IsBackground bool
caller sync.Map
cfg Cfg
}
type Client struct {
*zap.Logger
}
func Register() common.Caller {
return defaultCaller
}
func Caller(name string) *Client {
obj, ok := defaultCaller.caller.Load(name)
if !ok {
return nil
}
return obj.(*Client)
}
// 初始化做了判断,肯定存在默认配置
func DefaultLogger() *Client {
var logClient *Client
// 如果设置了系统日志,就返回系统日志
obj, ok := defaultCaller.caller.Load(common.SystemLogger)
if !ok {
// 如果没有系统日志,那么就返回用户设置的第一个日志
defaultCaller.caller.Range(func(key, value interface{}) bool {
logClient = value.(*Client)
return false
})
} else {
logClient = obj.(*Client)
}
return logClient
}
func (c *callerStore) InitCfg(cfg []byte) error {
if err := toml.Unmarshal(cfg, &c.cfg); err != nil {
return err
}
return nil
}
func (c *callerStore) InitCaller() error {
for name, cfg := range c.cfg.Muses.Logger {
db := provider(cfg)
defaultCaller.caller.Store(name, db)
}
return nil
}
func provider(cfg CallerCfg) (db *Client) {
var js string
if cfg.Debug {
js = fmt.Sprintf(`{
"level": "%s",
"encoding": "json",
"outputPaths": ["stdout"],
"errorOutputPaths": ["stdout"]
}`, cfg.Level)
} else {
js = fmt.Sprintf(`{
"level": "%s",
"encoding": "json",
"outputPaths": ["%s"],
"errorOutputPaths": ["%s"]
}`, cfg.Level, cfg.Path, cfg.Path)
}
var zcfg zap.Config
if err := json.Unmarshal([]byte(js), &zcfg); err != nil {
panic(err)
}
zcfg.EncoderConfig = zap.NewProductionEncoderConfig()
zcfg.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
var err error
l, err := zcfg.Build()
if err != nil {
log.Fatal("init logger error: ", err)
}
return &Client{l}
}