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- package main
- import (
- "database/sql"
- "encoding/json"
- "flag"
- "fmt"
- "html/template"
- "log"
- "net/http"
- "os"
- "os/signal"
- "strings"
- "syscall"
- _ "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
- Srv *http.Server
- Sender *MailSender
- SysSetting Setting
- )
- 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])
- }
- 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 == "" {
- log.Fatalf("Port is empty!\n")
- }
- if cfg.Database == "" {
- log.Fatalf("Database is empty!\n")
- }
- if cfg.RootPwd == "" {
- log.Fatalf("RootPwd is empty!\n")
- }
- if cfg.LogDir == "" {
- log.Fatalf("LogDir is empty!\n")
- }
- if cfg.TmplDir == "" {
- log.Fatalf("TmplDir is empty!\n")
- }
- if cfg.ResourcesDir == "" {
- log.Fatalf("ResourcesDir is empty!\n")
- }
- 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.SIGQUIT)
- for {
- sig := <-ch
- switch sig {
- //重启
- case syscall.SIGUSR1:
- close(ch)
- if Srv != nil {
- Srv.Close()
- }
- syscall.Exec(os.Args[0], os.Args[1:], nil)
- //退出
- case syscall.SIGQUIT:
- close(ch)
- if Srv != nil {
- Srv.Close()
- }
- 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())
- }
- db.Exec(Sql_Table_Syscfg)
- db.Exec(Sql_Table_Accounts)
- db.Exec(Sql_Table_Rediscfg)
- db.Exec(Sql_Table_Syslog)
- db.Exec(Sql_Index_Syslog)
- db.Exec(Sql_Table_Statuslog)
- db.Exec(Sql_Table_Warnlog)
- db.Exec(Sql_Table_Processlog)
- db.Exec(Sql_Values_Accounts)
- return db
- }
- func loadSystemSetting() map[string]string {
- }
- func start_http_server() *http.Server {
- handle := http.NewServeMux()
- //登录
- handle.HandleFunc("/login", login_index)
- //首页
- handle.HandleFunc("/", index_default)
- 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-报警
- handle.HandleFunc("/log/warn", log_warn)
- handle.HandleFunc("/log/warn_list", log_warn_list)
- //日志-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)
- //日志-后台操作
- handle.HandleFunc("/log/account", log_account)
- handle.HandleFunc("/log/account_list", log_account_list)
- //资源文件
- handle.Handle("/resources/", http.StripPrefix("/resources/", http.FileServer(http.Dir(Cfg.ResourcesDir))))
- //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
- Cfg = loadConfig()
- //连接DB
- Db = openDatabase(Cfg.Database)
- defer Db.Close()
- //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
- SysSetting = NewSetting()
- SysSetting.Load()
- //开始HTTP服务
- Srv = start_http_server()
- //开始监控Redis状态
- go monitor_loop()
- //开始处理邮件发送队列
- Sender = NewMailSender()
- go Sender.Loop()
- //监听信号
- waitSignal()
- }
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