mirror of https://github.com/go-gorm/gorm.git
136 lines
3.3 KiB
Go
136 lines
3.3 KiB
Go
package logger
|
|
|
|
import (
|
|
"log"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/jinzhu/gorm/utils"
|
|
)
|
|
|
|
// Colors
|
|
const (
|
|
Reset = "\033[0m"
|
|
Red = "\033[31m"
|
|
Green = "\033[32m"
|
|
Yellow = "\033[33m"
|
|
Blue = "\033[34m"
|
|
Magenta = "\033[35m"
|
|
Cyan = "\033[36m"
|
|
White = "\033[37m"
|
|
Redbold = "\033[31;1m"
|
|
YellowBold = "\033[33;1m"
|
|
)
|
|
|
|
// LogLevel
|
|
type LogLevel int
|
|
|
|
const (
|
|
Error LogLevel = iota + 1
|
|
Warn
|
|
Info
|
|
)
|
|
|
|
// Writer log writer interface
|
|
type Writer interface {
|
|
Printf(string, ...interface{})
|
|
}
|
|
|
|
type Config struct {
|
|
SlowThreshold time.Duration
|
|
Colorful bool
|
|
LogLevel LogLevel
|
|
}
|
|
|
|
// Interface logger interface
|
|
type Interface interface {
|
|
LogMode(LogLevel) Interface
|
|
Info(string, ...interface{})
|
|
Warn(string, ...interface{})
|
|
Error(string, ...interface{})
|
|
Trace(begin time.Time, fc func() (string, int64), err error)
|
|
}
|
|
|
|
var Default = New(log.New(os.Stdout, "\r\n", log.LstdFlags), Config{
|
|
SlowThreshold: 100 * time.Millisecond,
|
|
LogLevel: Warn,
|
|
Colorful: true,
|
|
})
|
|
|
|
func New(writer Writer, config Config) Interface {
|
|
var (
|
|
infoPrefix = "%s\n[info] "
|
|
warnPrefix = "%s\n[warn] "
|
|
errPrefix = "%s\n[error] "
|
|
tracePrefix = "%s\n[%v] [rows:%d] %s"
|
|
traceErrPrefix = "%s\n[%v] [rows:%d] %s"
|
|
)
|
|
|
|
if config.Colorful {
|
|
infoPrefix = Green + "%s\n" + Reset + Green + "[info] " + Reset
|
|
warnPrefix = Blue + "%s\n" + Reset + Magenta + "[warn] " + Reset
|
|
errPrefix = Magenta + "%s\n" + Reset + Red + "[error] " + Reset
|
|
tracePrefix = Green + "%s\n" + Reset + YellowBold + "[%.3fms] " + Green + "[rows:%d]" + Reset + " %s"
|
|
traceErrPrefix = Magenta + "%s\n" + Reset + Redbold + "[%.3fms] " + Yellow + "[rows:%d]" + Reset + " %s"
|
|
}
|
|
|
|
return logger{
|
|
Writer: writer,
|
|
Config: config,
|
|
infoPrefix: infoPrefix,
|
|
warnPrefix: warnPrefix,
|
|
errPrefix: errPrefix,
|
|
tracePrefix: tracePrefix,
|
|
traceErrPrefix: traceErrPrefix,
|
|
}
|
|
}
|
|
|
|
type logger struct {
|
|
Writer
|
|
Config
|
|
infoPrefix, warnPrefix, errPrefix string
|
|
tracePrefix, traceErrPrefix string
|
|
}
|
|
|
|
// LogMode log mode
|
|
func (l logger) LogMode(level LogLevel) Interface {
|
|
l.LogLevel = level
|
|
return l
|
|
}
|
|
|
|
// Info print info
|
|
func (l logger) Info(msg string, data ...interface{}) {
|
|
if l.LogLevel >= Info {
|
|
l.Printf(l.infoPrefix+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
|
|
}
|
|
}
|
|
|
|
// Warn print warn messages
|
|
func (l logger) Warn(msg string, data ...interface{}) {
|
|
if l.LogLevel >= Warn {
|
|
l.Printf(l.warnPrefix+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
|
|
}
|
|
}
|
|
|
|
// Error print error messages
|
|
func (l logger) Error(msg string, data ...interface{}) {
|
|
if l.LogLevel >= Error {
|
|
l.Printf(l.errPrefix+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
|
|
}
|
|
}
|
|
|
|
// Trace print sql message
|
|
func (l logger) Trace(begin time.Time, fc func() (string, int64), err error) {
|
|
if elapsed := time.Now().Sub(begin); err != nil || (elapsed > l.SlowThreshold && l.SlowThreshold != 0) {
|
|
sql, rows := fc()
|
|
fileline := utils.FileWithLineNum()
|
|
if err != nil {
|
|
fileline += " " + err.Error()
|
|
}
|
|
l.Printf(l.traceErrPrefix, fileline, float64(elapsed.Nanoseconds())/1e6, rows, sql)
|
|
} else if l.LogLevel >= Info {
|
|
sql, rows := fc()
|
|
l.Printf(l.tracePrefix, utils.FileWithLineNum(), float64(elapsed.Nanoseconds())/1e6, rows, sql)
|
|
}
|
|
}
|