/
logger.go
152 lines (134 loc) · 4.59 KB
/
logger.go
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package gorm
import (
"context"
"errors"
"fmt"
"net"
"regexp"
"runtime"
"strconv"
"strings"
"time"
"gorm.io/gorm/logger"
)
func NewLogger(writer logger.Writer, config logger.Config) logger.Interface {
var (
infoStr = "%s\n[Orm] "
warnStr = "%s\n[Orm] "
errStr = "%s\n[Orm] "
traceStr = "%s\n[%.3fms] [rows:%v] %s"
traceWarnStr = "%s %s\n[%.3fms] [rows:%v] %s"
traceErrStr = "%s %s\n[%.3fms] [rows:%v] %s"
)
if config.Colorful {
infoStr = logger.Green + "%s\n" + logger.Reset + logger.Green + "[Orm] " + logger.Reset
warnStr = logger.BlueBold + "%s\n" + logger.Reset + logger.Magenta + "[Orm] " + logger.Reset
errStr = logger.Magenta + "%s\n" + logger.Reset + logger.Red + "[Orm] " + logger.Reset
traceStr = logger.Green + "%s\n" + logger.Reset + logger.Yellow + "[%.3fms] " + logger.BlueBold + "[rows:%v]" + logger.Reset + " %s"
traceWarnStr = logger.Green + "%s " + logger.Yellow + "%s\n" + logger.Reset + logger.RedBold + "[%.3fms] " + logger.Yellow + "[rows:%v]" + logger.Magenta + " %s" + logger.Reset
traceErrStr = logger.RedBold + "%s " + logger.MagentaBold + "%s\n" + logger.Reset + logger.Yellow + "[%.3fms] " + logger.BlueBold + "[rows:%v]" + logger.Reset + " %s"
}
return &Logger{
Writer: writer,
Config: config,
infoStr: infoStr,
warnStr: warnStr,
errStr: errStr,
traceStr: traceStr,
traceWarnStr: traceWarnStr,
traceErrStr: traceErrStr,
}
}
type Logger struct {
logger.Writer
logger.Config
infoStr, warnStr, errStr string
traceStr, traceErrStr, traceWarnStr string
}
// LogMode log mode
func (l *Logger) LogMode(level logger.LogLevel) logger.Interface {
newlogger := *l
newlogger.LogLevel = level
return &newlogger
}
// Info print info
func (l Logger) Info(ctx context.Context, msg string, data ...any) {
if l.LogLevel >= logger.Info {
l.Printf(l.infoStr+msg, append([]any{FileWithLineNum()}, data...)...)
}
}
// Warn print warn messages
func (l Logger) Warn(ctx context.Context, msg string, data ...any) {
if l.LogLevel >= logger.Warn {
l.Printf(l.warnStr+msg, append([]any{FileWithLineNum()}, data...)...)
}
}
// Error print error messages
func (l Logger) Error(ctx context.Context, msg string, data ...any) {
// Let upper layer function deals with connection refused error
var cancel bool
for _, item := range data {
if tempItem, ok := item.(*net.OpError); ok {
if strings.Contains(tempItem.Error(), "connection refused") {
return
}
}
if tempItem, ok := item.(error); ok {
// Avoid duplicate output
if strings.Contains(tempItem.Error(), "Access denied") {
cancel = true
}
}
}
if cancel {
return
}
if l.LogLevel >= logger.Error {
l.Printf(l.errStr+msg, append([]any{FileWithLineNum()}, data...)...)
}
}
// Trace print sql message
func (l Logger) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
if l.LogLevel <= logger.Silent {
return
}
elapsed := time.Since(begin)
switch {
case err != nil && l.LogLevel >= logger.Error && (!errors.Is(err, logger.ErrRecordNotFound) || !l.IgnoreRecordNotFoundError):
sql, rows := fc()
if rows == -1 {
l.Printf(l.traceErrStr, FileWithLineNum(), err, float64(elapsed.Nanoseconds())/1e6, "-", sql)
} else {
l.Printf(l.traceErrStr, FileWithLineNum(), err, float64(elapsed.Nanoseconds())/1e6, rows, sql)
}
case elapsed > l.SlowThreshold && l.SlowThreshold != 0 && l.LogLevel >= logger.Warn:
sql, rows := fc()
slowLog := fmt.Sprintf("SLOW SQL >= %v", l.SlowThreshold)
if rows == -1 {
l.Printf(l.traceWarnStr, FileWithLineNum(), slowLog, float64(elapsed.Nanoseconds())/1e6, "-", sql)
} else {
l.Printf(l.traceWarnStr, FileWithLineNum(), slowLog, float64(elapsed.Nanoseconds())/1e6, rows, sql)
}
case l.LogLevel == logger.Info:
sql, rows := fc()
if rows == -1 {
l.Printf(l.traceStr, FileWithLineNum(), float64(elapsed.Nanoseconds())/1e6, "-", sql)
} else {
l.Printf(l.traceStr, FileWithLineNum(), float64(elapsed.Nanoseconds())/1e6, rows, sql)
}
}
}
// FileWithLineNum return the file name and line number of the current file
func FileWithLineNum() string {
_, file, _, _ := runtime.Caller(0)
gormSourceDir := regexp.MustCompile(`utils.utils\.go`).ReplaceAllString(file, "")
goravelSourceDir := "database/gorm.go"
// the second caller usually from gorm internal, so set i start from 5
for i := 5; i < 15; i++ {
_, file, line, ok := runtime.Caller(i)
if ok && ((!strings.HasPrefix(file, gormSourceDir) && !strings.Contains(file, goravelSourceDir)) || strings.HasSuffix(file, "_test.go")) {
return file + ":" + strconv.FormatInt(int64(line), 10)
}
}
return ""
}