mirror of
https://github.com/duanhf2012/origin.git
synced 2026-02-03 22:45:13 +08:00
472 lines
10 KiB
Go
472 lines
10 KiB
Go
package node
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import (
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"errors"
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"fmt"
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"github.com/duanhf2012/origin/cluster"
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"github.com/duanhf2012/origin/console"
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"github.com/duanhf2012/origin/log"
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"github.com/duanhf2012/origin/profiler"
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"github.com/duanhf2012/origin/service"
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"github.com/duanhf2012/origin/util/buildtime"
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"github.com/duanhf2012/origin/util/timer"
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"io"
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"net/http"
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_ "net/http/pprof"
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"os"
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"os/signal"
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"strconv"
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"strings"
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"syscall"
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"time"
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"github.com/duanhf2012/origin/util/sysprocess"
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)
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var sig chan os.Signal
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var nodeId int
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var preSetupService []service.IService //预安装
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var profilerInterval time.Duration
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var bValid bool
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var configDir = "./config/"
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const(
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SingleStop syscall.Signal = 10
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SignalRetire syscall.Signal = 12
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)
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type BuildOSType = int8
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const(
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Windows BuildOSType = 0
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Linux BuildOSType = 1
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Mac BuildOSType = 2
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)
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func init() {
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sig = make(chan os.Signal, 4)
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signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, SingleStop,SignalRetire)
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console.RegisterCommandBool("help", false, "<-help> This help.", usage)
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console.RegisterCommandString("name", "", "<-name nodeName> Node's name.", setName)
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console.RegisterCommandString("start", "", "<-start nodeid=nodeid> Run originserver.", startNode)
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console.RegisterCommandString("stop", "", "<-stop nodeid=nodeid> Stop originserver process.", stopNode)
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console.RegisterCommandString("retire", "", "<-retire nodeid=nodeid> retire originserver process.", retireNode)
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console.RegisterCommandString("config", "", "<-config path> Configuration file path.", setConfigPath)
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console.RegisterCommandString("console", "", "<-console true|false> Turn on or off screen log output.", openConsole)
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console.RegisterCommandString("loglevel", "debug", "<-loglevel debug|release|warning|error|fatal> Set loglevel.", setLevel)
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console.RegisterCommandString("logpath", "", "<-logpath path> Set log file path.", setLogPath)
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console.RegisterCommandInt("logsize", 0, "<-logsize size> Set log size(MB).", setLogSize)
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console.RegisterCommandInt("logchannelcap", 0, "<-logchannelcap num> Set log channel cap.", setLogChannelCapNum)
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console.RegisterCommandString("pprof", "", "<-pprof ip:port> Open performance analysis.", setPprof)
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}
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func notifyAllServiceRetire(){
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service.NotifyAllServiceRetire()
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}
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func usage(val interface{}) error {
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ret := val.(bool)
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if ret == false {
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return nil
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}
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if len(buildtime.GetBuildDateTime()) > 0 {
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fmt.Fprintf(os.Stderr, "Welcome to Origin(build info: %s)\nUsage: originserver [-help] [-start node=1] [-stop] [-config path] [-pprof 0.0.0.0:6060]...\n", buildtime.GetBuildDateTime())
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} else {
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fmt.Fprintf(os.Stderr, "Welcome to Origin\nUsage: originserver [-help] [-start node=1] [-stop] [-config path] [-pprof 0.0.0.0:6060]...\n")
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}
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console.PrintDefaults()
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return nil
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}
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func setName(val interface{}) error {
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return nil
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}
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func setPprof(val interface{}) error {
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listenAddr := val.(string)
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if listenAddr == "" {
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return nil
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}
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go func() {
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err := http.ListenAndServe(listenAddr, nil)
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if err != nil {
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panic(fmt.Errorf("%+v", err))
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}
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}()
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return nil
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}
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func setConfigPath(val interface{}) error {
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configPath := val.(string)
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if configPath == "" {
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return nil
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}
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_, err := os.Stat(configPath)
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if err != nil {
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return fmt.Errorf("Cannot find file path %s", configPath)
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}
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cluster.SetConfigDir(configPath)
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configDir = configPath
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return nil
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}
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func getRunProcessPid(nodeId int) (int, error) {
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f, err := os.OpenFile(fmt.Sprintf("%s_%d.pid", os.Args[0], nodeId), os.O_RDONLY, 0600)
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defer f.Close()
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if err != nil {
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return 0, err
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}
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pidByte, errs := io.ReadAll(f)
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if errs != nil {
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return 0, errs
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}
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return strconv.Atoi(string(pidByte))
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}
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func writeProcessPid(nodeId int) {
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//pid
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f, err := os.OpenFile(fmt.Sprintf("%s_%d.pid", os.Args[0], nodeId), os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0600)
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defer f.Close()
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if err != nil {
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fmt.Println(err.Error())
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os.Exit(-1)
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} else {
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_, err = f.Write([]byte(fmt.Sprintf("%d", os.Getpid())))
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if err != nil {
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fmt.Println(err.Error())
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os.Exit(-1)
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}
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}
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}
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func GetNodeId() int {
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return nodeId
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}
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func initNode(id int) {
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//1.初始化集群
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nodeId = id
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err := cluster.GetCluster().Init(GetNodeId(), Setup)
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if err != nil {
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log.Fatal("read system config is error ",log.ErrorAttr("error",err))
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}
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err = initLog()
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if err != nil {
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return
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}
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//2.顺序安装服务
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serviceOrder := cluster.GetCluster().GetLocalNodeInfo().ServiceList
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for _,serviceName:= range serviceOrder{
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bSetup := false
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for _, s := range preSetupService {
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if s.GetName() != serviceName {
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continue
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}
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bSetup = true
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pServiceCfg := cluster.GetCluster().GetServiceCfg(s.GetName())
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s.Init(s, cluster.GetRpcClient, cluster.GetRpcServer, pServiceCfg)
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service.Setup(s)
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}
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if bSetup == false {
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log.Fatal("Service name "+serviceName+" configuration error")
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}
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}
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//3.service初始化
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service.Init()
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}
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func initLog() error {
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if log.LogPath == "" {
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setLogPath("./log")
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}
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localnodeinfo := cluster.GetCluster().GetLocalNodeInfo()
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filepre := fmt.Sprintf("%s_%d_", localnodeinfo.NodeName, localnodeinfo.NodeId)
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logger, err := log.NewTextLogger(log.LogLevel,log.LogPath,filepre,true,log.LogChannelCap)
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if err != nil {
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fmt.Printf("cannot create log file!\n")
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return err
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}
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log.Export(logger)
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return nil
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}
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func Start() {
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err := console.Run(os.Args)
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if err != nil {
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fmt.Printf("%+v\n", err)
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return
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}
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}
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func retireNode(args interface{}) error {
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//1.解析参数
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param := args.(string)
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if param == "" {
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return nil
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}
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sParam := strings.Split(param, "=")
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if len(sParam) != 2 {
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return fmt.Errorf("invalid option %s", param)
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}
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if sParam[0] != "nodeid" {
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return fmt.Errorf("invalid option %s", param)
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}
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nId, err := strconv.Atoi(sParam[1])
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if err != nil {
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return fmt.Errorf("invalid option %s", param)
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}
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processId, err := getRunProcessPid(nId)
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if err != nil {
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return err
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}
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RetireProcess(processId)
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return nil
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}
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func stopNode(args interface{}) error {
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//1.解析参数
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param := args.(string)
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if param == "" {
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return nil
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}
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sParam := strings.Split(param, "=")
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if len(sParam) != 2 {
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return fmt.Errorf("invalid option %s", param)
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}
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if sParam[0] != "nodeid" {
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return fmt.Errorf("invalid option %s", param)
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}
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nId, err := strconv.Atoi(sParam[1])
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if err != nil {
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return fmt.Errorf("invalid option %s", param)
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}
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processId, err := getRunProcessPid(nId)
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if err != nil {
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return err
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}
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KillProcess(processId)
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return nil
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}
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func startNode(args interface{}) error {
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//1.解析参数
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param := args.(string)
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if param == "" {
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return nil
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}
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sParam := strings.Split(param, "=")
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if len(sParam) != 2 {
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return fmt.Errorf("invalid option %s", param)
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}
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if sParam[0] != "nodeid" {
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return fmt.Errorf("invalid option %s", param)
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}
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nodeId, err := strconv.Atoi(sParam[1])
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if err != nil {
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return fmt.Errorf("invalid option %s", param)
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}
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processId, err := getRunProcessPid(nodeId)
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if err != nil {
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return err
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}
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name, cErr := sysprocess.GetProcessNameByPID(int32(processId))
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myName, mErr := sysprocess.GetMyProcessName()
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//当前进程名获取失败，不应该发生
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if mErr != nil {
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log.SInfo("get my process's name is error,", err.Error())
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os.Exit(-1)
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}
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//进程id存在，而且进程名也相同，被认为是当前进程重复运行
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if cErr == nil && name == myName {
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log.SInfo(fmt.Sprintf("repeat runs are not allowed,node is %d,processid is %d",nodeId,processId))
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os.Exit(-1)
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}
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timer.StartTimer(10*time.Millisecond, 1000000)
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log.Info("Start running server.")
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//2.初始化node
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initNode(nodeId)
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//3.运行service
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service.Start()
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//4.运行集群
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cluster.GetCluster().Start()
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//5.记录进程id号
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writeProcessPid(nodeId)
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//6.监听程序退出信号&性能报告
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bRun := true
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var pProfilerTicker *time.Ticker = &time.Ticker{}
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if profilerInterval > 0 {
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pProfilerTicker = time.NewTicker(profilerInterval)
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}
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for bRun {
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select {
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case s := <-sig:
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signal := s.(syscall.Signal)
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if signal == SignalRetire {
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log.Info("receipt retire signal.")
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notifyAllServiceRetire()
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}else {
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bRun = false
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log.Info("receipt stop signal.")
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}
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case <-pProfilerTicker.C:
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profiler.Report()
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}
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}
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cluster.GetCluster().Stop()
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//7.退出
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service.StopAllService()
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log.Info("Server is stop.")
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log.Close()
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return nil
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}
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func Setup(s ...service.IService) {
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for _, sv := range s {
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sv.OnSetup(sv)
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preSetupService = append(preSetupService, sv)
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}
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}
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func GetService(serviceName string) service.IService {
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return service.GetService(serviceName)
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}
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func SetConfigDir(cfgDir string) {
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configDir = cfgDir
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cluster.SetConfigDir(cfgDir)
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}
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func GetConfigDir() string {
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return configDir
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}
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func OpenProfilerReport(interval time.Duration) {
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profilerInterval = interval
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}
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func openConsole(args interface{}) error {
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if args == "" {
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return nil
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}
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strOpen := strings.ToLower(strings.TrimSpace(args.(string)))
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if strOpen == "false" {
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log.OpenConsole = false
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} else if strOpen == "true" {
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log.OpenConsole = true
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} else {
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return errors.New("Parameter console error!")
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}
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return nil
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}
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func setLevel(args interface{}) error {
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if args == "" {
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return nil
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}
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strlogLevel := strings.TrimSpace(args.(string))
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switch strlogLevel {
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case "trace":
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log.LogLevel = log.LevelTrace
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case "debug":
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log.LogLevel = log.LevelDebug
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case "info":
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log.LogLevel = log.LevelInfo
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case "warning":
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log.LogLevel = log.LevelWarning
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case "error":
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log.LogLevel = log.LevelError
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case "stack":
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log.LogLevel = log.LevelStack
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case "fatal":
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log.LogLevel = log.LevelFatal
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default:
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return errors.New("unknown level: " + strlogLevel)
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}
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return nil
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}
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func setLogPath(args interface{}) error {
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if args == "" {
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return nil
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}
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log.LogPath = strings.TrimSpace(args.(string))
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dir, err := os.Stat(log.LogPath) //这个文件夹不存在
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if err == nil && dir.IsDir() == false {
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return errors.New("Not found dir " + log.LogPath)
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}
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if err != nil {
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err = os.Mkdir(log.LogPath, os.ModePerm)
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if err != nil {
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return errors.New("Cannot create dir " + log.LogPath)
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}
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}
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return nil
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}
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func setLogSize(args interface{}) error {
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if args == "" {
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return nil
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}
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logSize,ok := args.(int)
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if ok == false{
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return errors.New("param logsize is error")
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}
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log.LogSize = int64(logSize)*1024*1024
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return nil
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}
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func setLogChannelCapNum(args interface{}) error {
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if args == "" {
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return nil
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}
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logChannelCap,ok := args.(int)
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if ok == false{
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return errors.New("param logsize is error")
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}
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log.LogChannelCap = logChannelCap
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return nil
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}
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