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- package main
- import (
- "database/sql"
- "encoding/json"
- "flag"
- "fmt"
- "html/template"
- "log"
- "net/http"
- "os"
- "os/signal"
- "path/filepath"
- "strconv"
- "strings"
- "syscall"
- "time"
- "redisdog/model"
- _ "github.com/mattn/go-sqlite3"
- )
- type Config struct {
- Host string
- Port string
- Database string
- RootPwd string
- LogDir string
- TmplDir string
- ResourcesDir string
- SessionTTL int64
- }
- var (
- Cfg *Config
- Db *sql.DB
- SessPoll *SessionPoll
- TmplFuncMap template.FuncMap
- SysCfg *SysCfgCache
- Srv *http.Server
- Sender *MailSender
- Monitor *RedisMonitor
- SysLogger *model.SysLog
- )
- func changeWordDir() {
- if binDir, err := filepath.Abs(filepath.Dir(os.Args[0])); err != nil {
- log.Fatalf("%s\n", err.Error())
- } else {
- rootDir := filepath.Dir(binDir)
- os.Chdir(rootDir)
- }
- }
- func loadConfig() *Config {
- var (
- cfgfile string
- cfg *Config = &Config{}
- )
- flag.StringVar(&cfgfile, "c", "", "config file")
- flag.Parse()
- if cfgfile == "" {
- log.Fatalf("Usage: %s -c <config file>\n", os.Args[0])
- }
- wd, err := os.Getwd()
- if err != nil {
- log.Fatalf("Get work directory failed: %s\n", err.Error())
- }
- file, err := os.OpenFile(cfgfile, os.O_RDONLY, 0644)
- if err != nil {
- log.Fatal(err)
- }
- decoder := json.NewDecoder(file)
- if err = decoder.Decode(cfg); err != nil {
- log.Fatal(err)
- }
- if cfg.Port == "" {
- cfg.Port = "8080"
- }
- if cfg.Database == "" {
- cfg.Database = filepath.Join(wd, "db", "db.sqlite")
- }
- if cfg.RootPwd == "" {
- cfg.RootPwd = "88888888"
- }
- if cfg.LogDir == "" {
- cfg.LogDir = filepath.Join(wd, "log")
- }
- if cfg.TmplDir == "" {
- cfg.TmplDir = filepath.Join(wd, "tmpl")
- }
- if cfg.ResourcesDir == "" {
- cfg.ResourcesDir = filepath.Join(wd, "resources")
- }
- if cfg.SessionTTL == 0 {
- cfg.SessionTTL = 900
- }
- return cfg
- }
- func waitSignal() {
- ch := make(chan os.Signal, 1)
- signal.Notify(ch, syscall.SIGUSR1)
- signal.Notify(ch, syscall.SIGTERM)
- for {
- sig := <-ch
- switch sig {
- //重启
- case syscall.SIGUSR1:
- close(ch)
- if Srv != nil {
- Srv.Close()
- }
- SYSLOG("WARN", "服务因重启而停止")
- syscall.Exec(os.Args[0], os.Args[1:], nil)
- //退出
- case syscall.SIGTERM:
- close(ch)
- if Srv != nil {
- Srv.Close()
- }
- SYSLOG("WARN", "服务停止")
- os.Exit(0)
- }
- }
- }
- func openDatabase(dbfile string) *sql.DB {
- db, err := sql.Open("sqlite3", dbfile)
- if err != nil {
- log.Fatalf("sql.Open() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Syscfg)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Accounts)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Rediscfg)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Syslog)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Index_Syslog)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Monitorlog)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Warnlog)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Index_Warnlog1)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Index_Warnlog2)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Table_Processlog)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec("INSERT OR IGNORE INTO accounts(account,name,password,is_super) VALUES(?,?,?,?)", "root", "超管", model.PasswordConvert(Cfg.RootPwd), 1)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- _, err = db.Exec(Sql_Values_Syscfg)
- if err != nil {
- log.Fatalf("sql.Exec() Error: %s\n", err.Error())
- }
- return db
- }
- func startHttpServer() *http.Server {
- handle := http.NewServeMux()
- //登录
- handle.HandleFunc("/login", login_index)
- //首页
- handle.HandleFunc("/", index_default)
- handle.HandleFunc("/index/forbidden", index_forbidden)
- handle.HandleFunc("/index/stats", index_stats)
- handle.HandleFunc("/index/info", index_info)
- //用户操作
- handle.HandleFunc("/profile/logout", profile_logout)
- handle.HandleFunc("/profile/passwd", profile_passwd)
- //配置-redis
- handle.HandleFunc("/syscfg/redis", syscfg_redis)
- handle.HandleFunc("/syscfg/redis_list", syscfg_redis_list)
- handle.HandleFunc("/syscfg/redis_get", syscfg_redis_get)
- handle.HandleFunc("/syscfg/redis_set", syscfg_redis_set)
- handle.HandleFunc("/syscfg/redis_del", syscfg_redis_del)
- //配置-报警
- handle.HandleFunc("/syscfg/warn", syscfg_warn)
- handle.HandleFunc("/syscfg/warn_get", syscfg_warn_get)
- handle.HandleFunc("/syscfg/warn_set", syscfg_warn_set)
- //配置-账号
- handle.HandleFunc("/syscfg/account", syscfg_account)
- handle.HandleFunc("/syscfg/account_list", syscfg_account_list)
- handle.HandleFunc("/syscfg/account_get", syscfg_account_get)
- handle.HandleFunc("/syscfg/account_set", syscfg_account_set)
- handle.HandleFunc("/syscfg/account_del", syscfg_account_del)
- handle.HandleFunc("/syscfg/account_reset_pwd", syscfg_account_reset_pwd)
- //配置-杂项
- handle.HandleFunc("/syscfg/misc", syscfg_misc)
- handle.HandleFunc("/syscfg/misc_get", syscfg_misc_get)
- handle.HandleFunc("/syscfg/misc_set", syscfg_misc_set)
- //日志-Redis监控
- handle.HandleFunc("/log/monitor", log_monitor)
- handle.HandleFunc("/log/monitor_list", log_monitor_list)
- //日志-Redis报警
- handle.HandleFunc("/log/warn", log_warn)
- handle.HandleFunc("/log/warn_list", log_warn_list)
- //日志-Redis扩容
- handle.HandleFunc("/log/autoprocess", log_autoprocess)
- handle.HandleFunc("/log/autoprocess_list", log_autoprocess_list)
- //日志-系统错误
- handle.HandleFunc("/log/syslog", log_syslog)
- handle.HandleFunc("/log/syslog_list", log_syslog_list)
- //资源文件
- handle.Handle("/resources/", http.StripPrefix("/resources/", http.FileServer(http.Dir(Cfg.ResourcesDir))))
- //ico文件
- handle.HandleFunc("/favicon.ico", func(resp http.ResponseWriter, req *http.Request) {
- http.ServeFile(resp, req, filepath.Join(Cfg.ResourcesDir, "favicon.ico"))
- })
- //测试
- handle.HandleFunc("/debug/sendmail", debug_sendmail)
- //启动HTTP服务
- srv := &http.Server{
- Addr: fmt.Sprintf("%s:%s", Cfg.Host, Cfg.Port),
- Handler: handle,
- }
- go func(s *http.Server) {
- if err := s.ListenAndServe(); err != nil {
- log.Fatal(err)
- }
- }(srv)
- return srv
- }
- func main() {
- //加载基础配置
- changeWordDir()
- Cfg = loadConfig()
- //连接DB
- Db = openDatabase(Cfg.Database)
- defer Db.Close()
- //系统日志表对象
- SysLogger = model.NewSysLog(Db)
- //创建HTTP会话池
- SessPoll = NewSessionPoll(Cfg.SessionTTL)
- //添加HTML模板函数
- TmplFuncMap = make(template.FuncMap)
- TmplFuncMap["has_prefix"] = strings.HasPrefix
- //从DB加载业务配置
- SysCfg = NewSysCfgCache()
- SysCfg.Load()
- //开始HTTP服务
- Srv = startHttpServer()
- //开始监控Redis状态
- Monitor := NewRedisMonitor()
- go Monitor.Loop()
- //开始处理邮件发送队列
- Sender = NewMailSender()
- go Sender.Loop()
- //开始定时清理日志表记录
- go func() {
- //取配置
- days := int(30)
- for {
- if str, ok := SysCfg.Get("log_kept_days"); ok {
- if num, err := strconv.Atoi(str); err == nil {
- days = num
- } else {
- SYSLOG("DEBUG", fmt.Sprintf("表syscfg记录cfg_key=log_kept_days的值不是数字:%s", err.Error()))
- }
- }
- ts := time.Now().Unix() - 86400*int64(days)
- SysLogger.CleanUntil(ts)
- mdlMonitorLog := model.NewMonitorLog(Db)
- mdlMonitorLog.CleanUntil(ts)
- mdlWarnLog := model.NewWarnLog(Db)
- mdlWarnLog.CleanUntil(ts)
- mdlProcessLog := model.NewProcessLog(Db)
- mdlProcessLog.CleanUntil(ts)
- time.Sleep(time.Hour * 1)
- }
- }()
- //记录启动日志
- SYSLOG("DEBUG", "服务启动")
- //监听信号
- waitSignal()
- }
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