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log.go
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log.go
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package main
import (
"os"
"fmt"
"strings"
)
var todayStr = ""
var lastLogPath = ""
var logFile *os.File
func Log(module string, str string, logToFile bool, args ...interface {}) {
if strings.HasPrefix(module, "Debug") {
if !config.Debug {
return
} else if config.LogDebug {
logToFile = true
}
}
logStr := fmt.Sprintf("[" + GetDateTime(true) + "][" + module + "] " + str + ".\n", args...)
if config.LogToFile && logToFile && logFile != nil {
if _, err := logFile.Write([]byte(logStr)); err != nil {
Log("Log", "写入日志时发生了错误: %s", false, err.Error())
}
}
fmt.Print(logStr)
}
func LoadLog() bool {
if config.LogPath == "" {
return false
}
if err := os.Mkdir(config.LogPath, os.ModePerm); err != nil && !os.IsExist(err) {
Log("LoadLog", "创建日志目录时发生了错误: %s", false, err.Error())
return false
}
tmpTodayStr := GetDateTime(false)
newDay := (todayStr != tmpTodayStr)
newLogPath := (lastLogPath != config.LogPath)
if !newDay && !newLogPath {
return true
}
if newDay {
todayStr = tmpTodayStr
}
if newLogPath {
if lastLogPath != "" {
Log("LoadLog", "发现日志目录更改, 正在进行热重载 (%s)", false, config.LogPath)
}
lastLogPath = config.LogPath
}
tLogFile, err := os.OpenFile(config.LogPath + "/" + todayStr + ".txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
tLogFile.Close()
tLogFile = nil
Log("LoadLog", "访问日志时发生了错误: %s", false, err.Error())
return false
}
logFile.Close()
logFile = tLogFile
return true
}