ai-gateway/common/logger.go

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package common
import (
"context"
"fmt"
"github.com/gin-gonic/gin"
"io"
"log"
"os"
"path/filepath"
"sync"
"time"
)
const (
loggerINFO = "INFO"
loggerWarn = "WARN"
loggerError = "ERR"
)
const maxLogCount = 1000000
var logCount int
var setupLogLock sync.Mutex
var setupLogWorking bool
func SetupLogger() {
if *LogDir != "" {
ok := setupLogLock.TryLock()
if !ok {
log.Println("setup log is already working")
return
}
defer func() {
setupLogLock.Unlock()
setupLogWorking = false
}()
logPath := filepath.Join(*LogDir, fmt.Sprintf("oneapi-%s.log", time.Now().Format("20060102")))
fd, err := os.OpenFile(logPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Fatal("failed to open log file")
}
gin.DefaultWriter = io.MultiWriter(os.Stdout, fd)
gin.DefaultErrorWriter = io.MultiWriter(os.Stderr, fd)
}
}
func SysLog(s string) {
t := time.Now()
_, _ = fmt.Fprintf(gin.DefaultWriter, "[SYS] %v | %s \n", t.Format("2006/01/02 - 15:04:05"), s)
}
func SysError(s string) {
t := time.Now()
_, _ = fmt.Fprintf(gin.DefaultErrorWriter, "[SYS] %v | %s \n", t.Format("2006/01/02 - 15:04:05"), s)
}
func LogInfo(ctx context.Context, msg string) {
logHelper(ctx, loggerINFO, msg)
}
func LogWarn(ctx context.Context, msg string) {
logHelper(ctx, loggerWarn, msg)
}
func LogError(ctx context.Context, msg string) {
logHelper(ctx, loggerError, msg)
}
func logHelper(ctx context.Context, level string, msg string) {
writer := gin.DefaultErrorWriter
if level == loggerINFO {
writer = gin.DefaultWriter
}
id := ctx.Value(RequestIdKey)
now := time.Now()
_, _ = fmt.Fprintf(writer, "[%s] %v | %s | %s \n", level, now.Format("2006/01/02 - 15:04:05"), id, msg)
logCount++ // we don't need accurate count, so no lock here
if logCount > maxLogCount && !setupLogWorking {
logCount = 0
setupLogWorking = true
go func() {
SetupLogger()
}()
}
}
func FatalLog(v ...any) {
t := time.Now()
_, _ = fmt.Fprintf(gin.DefaultErrorWriter, "[FATAL] %v | %v \n", t.Format("2006/01/02 - 15:04:05"), v)
os.Exit(1)
}
func LogQuota(quota int) string {
if DisplayInCurrencyEnabled {
return fmt.Sprintf("%.6f 额度", float64(quota)/QuotaPerUnit)
} else {
return fmt.Sprintf("%d 点额度", quota)
}
}