Golang glog.Fatalf函數代碼示例

func runVolume(cmd *Command, args []string) bool {
	if *vMaxCpu < 1 {
		*vMaxCpu = runtime.NumCPU()
	}
	runtime.GOMAXPROCS(*vMaxCpu)
	folders := strings.Split(*volumeFolders, ",")
	maxCountStrings := strings.Split(*maxVolumeCounts, ",")
	maxCounts := make([]int, 0)
	for _, maxString := range maxCountStrings {
		if max, e := strconv.Atoi(maxString); e == nil {
			maxCounts = append(maxCounts, max)
		} else {
			glog.Fatalf("The max specified in -max not a valid number %s", maxString)
		}
	}
	if len(folders) != len(maxCounts) {
		glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(folders), len(maxCounts))
	}
	for _, folder := range folders {
		if err := util.TestFolderWritable(folder); err != nil {
			glog.Fatalf("Check Data Folder(-dir) Writable %s : %s", folder, err)
		}
	}

	if *publicIp == "" {
		if *ip == "" {
			*publicIp = "localhost"
		} else {
			*publicIp = *ip
		}
	}
	if *volumeWhiteListOption != "" {
		volumeWhiteList = strings.Split(*volumeWhiteListOption, ",")
	}

	r := http.NewServeMux()

	volumeServer := weed_server.NewVolumeServer(r, *ip, *vport, *publicIp, folders, maxCounts,
		*masterNode, *vpulse, *dataCenter, *rack, volumeWhiteList,
		*fixJpgOrientation,
	)

	listeningAddress := *bindIp + ":" + strconv.Itoa(*vport)

	glog.V(0).Infoln("Start Seaweed volume server", util.VERSION, "at", listeningAddress)

	listener, e := util.NewListener(listeningAddress, time.Duration(*vTimeout)*time.Second)
	if e != nil {
		glog.Fatalf(e.Error())
	}

	OnInterrupt(func() {
		volumeServer.Shutdown()
	})

	if e := http.Serve(listener, r); e != nil {
		glog.Fatalf("Fail to serve:%s", e.Error())
	}
	return true
}

func (m *SequencerImpl) saveSequence() {
	glog.V(0).Infoln("Saving file id sequence", m.FileIdSequence, "to", path.Join(m.dir, m.fileName+".seq"))
	seqFile, e := os.OpenFile(path.Join(m.dir, m.fileName+".seq"), os.O_CREATE|os.O_WRONLY, 0644)
	if e != nil {
		glog.Fatalf("Sequence File Save [ERROR] %s", e)
	}
	defer seqFile.Close()
	encoder := gob.NewEncoder(seqFile)
	if e = encoder.Encode(m.FileIdSequence); e != nil {
		glog.Fatalf("Sequence File Save [ERROR] %s", e)
	}
}

func runMaster(cmd *Command, args []string) bool {
	if *mMaxCpu < 1 {
		*mMaxCpu = runtime.NumCPU()
	}
	runtime.GOMAXPROCS(*mMaxCpu)
	if err := util.TestFolderWritable(*metaFolder); err != nil {
		glog.Fatalf("Check Meta Folder (-mdir) Writable %s : %s", *metaFolder, err)
	}
	if *masterWhiteListOption != "" {
		masterWhiteList = strings.Split(*masterWhiteListOption, ",")
	}

	r := mux.NewRouter()
	ms := weed_server.NewMasterServer(r, *mport, *metaFolder,
		*volumeSizeLimitMB, *mpulse, *confFile, *defaultReplicaPlacement, *garbageThreshold, masterWhiteList,
	)

	listeningAddress := *masterIp + ":" + strconv.Itoa(*mport)

	glog.V(0).Infoln("Start Seaweed Master", util.VERSION, "at", listeningAddress)

	listener, e := util.NewListener(listeningAddress, time.Duration(*mTimeout)*time.Second)
	if e != nil {
		glog.Fatalf(e.Error())
	}

	go func() {
		time.Sleep(100 * time.Millisecond)
		if *mPublicIp == "" {
			if *masterIp == "" {
				*mPublicIp = "localhost"
			} else {
				*mPublicIp = *masterIp
			}
		}
		myPublicMasterAddress := *mPublicIp + ":" + strconv.Itoa(*mport)
		var peers []string
		if *masterPeers != "" {
			peers = strings.Split(*masterPeers, ",")
		}
		raftServer := weed_server.NewRaftServer(r, peers, myPublicMasterAddress, *metaFolder, ms.Topo, *mpulse)
		ms.SetRaftServer(raftServer)
	}()

	if e := http.Serve(listener, r); e != nil {
		glog.Fatalf("Fail to serve:%s", e.Error())
	}
	return true
}

func readFileIds(fileName string, fileIdLineChan chan string) {
	file, err := os.Open(fileName) // For read access.
	if err != nil {
		glog.Fatalf("File to read file %s: %s\n", fileName, err)
	}
	defer file.Close()

	r := bufio.NewReader(file)
	if *b.sequentialRead {
		for {
			if line, err := Readln(r); err == nil {
				fileIdLineChan <- string(line)
			} else {
				break
			}
		}
	} else {
		lines := make([]string, 0, readStats.total)
		for {
			if line, err := Readln(r); err == nil {
				lines = append(lines, string(line))
			} else {
				break
			}
		}
		if len(lines) > 0 {
			for i := 0; i < readStats.total; i++ {
				fileIdLineChan <- lines[rand.Intn(len(lines))]
			}
		}
	}

	close(fileIdLineChan)
}

func runCompact(cmd *Command, args []string) bool {

	if *compactVolumeId == -1 {
		return false
	}

	vid := storage.VolumeId(*compactVolumeId)
	v, err := storage.NewVolume(*compactVolumePath, *compactVolumeCollection, vid, nil, nil)
	if err != nil {
		glog.Fatalf("Load Volume [ERROR] %s\n", err)
	}
	if err = v.Compact(); err != nil {
		glog.Fatalf("Compact Volume [ERROR] %s\n", err)
	}

	return true
}

// Loads config information from a JSON string
func LoadConfigString(s string) *Config {
	result := newConfig()
	err := json.Unmarshal([]byte(s), &result.data)
	if err != nil {
		glog.Fatalf("error parsing config string %s: %s", s, err)
	}
	return result
}

// Loads config information from a JSON file
func LoadConfig(filename string) *Config {
	result := newConfig()
	result.filename = filename
	err := result.parse()
	if err != nil {
		glog.Fatalf("error loading config file %s: %s", filename, err)
	}
	return result
}

func runMaster(cmd *Command, args []string) bool {
	if *mMaxCpu < 1 {
		*mMaxCpu = runtime.NumCPU()
	}
	runtime.GOMAXPROCS(*mMaxCpu)
	if *masterWhiteListOption != "" {
		masterWhiteList = strings.Split(*masterWhiteListOption, ",")
	}
	var e error
	if topo, e = topology.NewTopology("topo", *confFile, *metaFolder, "weed",
		uint64(*volumeSizeLimitMB)*1024*1024, *mpulse); e != nil {
		glog.Fatalf("cannot create topology:%s", e)
	}
	vg = replication.NewDefaultVolumeGrowth()
	glog.V(0).Infoln("Volume Size Limit is", *volumeSizeLimitMB, "MB")
	http.HandleFunc("/dir/assign", secure(masterWhiteList, dirAssignHandler))
	http.HandleFunc("/dir/lookup", secure(masterWhiteList, dirLookupHandler))
	http.HandleFunc("/dir/join", secure(masterWhiteList, dirJoinHandler))
	http.HandleFunc("/dir/status", secure(masterWhiteList, dirStatusHandler))
	http.HandleFunc("/vol/grow", secure(masterWhiteList, volumeGrowHandler))
	http.HandleFunc("/vol/status", secure(masterWhiteList, volumeStatusHandler))
	http.HandleFunc("/vol/vacuum", secure(masterWhiteList, volumeVacuumHandler))

	http.HandleFunc("/submit", secure(masterWhiteList, submitFromMasterServerHandler))
	http.HandleFunc("/", redirectHandler)

	topo.StartRefreshWritableVolumes(*garbageThreshold)

	glog.V(0).Infoln("Start Weed Master", VERSION, "at port", strconv.Itoa(*mport))
	srv := &http.Server{
		Addr:        ":" + strconv.Itoa(*mport),
		Handler:     http.DefaultServeMux,
		ReadTimeout: time.Duration(*mReadTimeout) * time.Second,
	}
	e = srv.ListenAndServe()
	if e != nil {
		glog.Fatalf("Fail to start:%s", e)
	}
	return true
}

func runFix(cmd *Command, args []string) bool {

	if *fixVolumeId == -1 {
		return false
	}

	fileName := strconv.Itoa(*fixVolumeId)
	if *fixVolumeCollection != "" {
		fileName = *fixVolumeCollection + "_" + fileName
	}
	indexFile, err := os.OpenFile(path.Join(*fixVolumePath, fileName+".idx"), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		glog.Fatalf("Create Volume Index [ERROR] %s\n", err)
	}
	defer indexFile.Close()

	nm := storage.NewNeedleMap(indexFile)
	defer nm.Close()

	vid := storage.VolumeId(*fixVolumeId)
	err = storage.ScanVolumeFile(*fixVolumePath, *fixVolumeCollection, vid, func(superBlock storage.SuperBlock) error {
		return nil
	}, false, func(n *storage.Needle, offset int64) error {
		debug("key", n.Id, "offset", offset, "size", n.Size, "disk_size", n.DiskSize(), "gzip", n.IsGzipped())
		if n.Size > 0 {
			count, pe := nm.Put(n.Id, uint32(offset/storage.NeedlePaddingSize), n.Size)
			debug("saved", count, "with error", pe)
		} else {
			debug("skipping deleted file ...")
			return nm.Delete(n.Id)
		}
		return nil
	})
	if err != nil {
		glog.Fatalf("Export Volume File [ERROR] %s\n", err)
	}

	return true
}

func runFiler(cmd *Command, args []string) bool {
	if err := util.TestFolderWritable(*f.dir); err != nil {
		glog.Fatalf("Check Meta Folder (-dir) Writable %s : %s", *f.dir, err)
	}

	r := http.NewServeMux()
	_, nfs_err := weed_server.NewFilerServer(r, *f.port, *f.master, *f.dir, *f.collection)
	if nfs_err != nil {
		glog.Fatalf(nfs_err.Error())
	}
	glog.V(0).Infoln("Start Weed Filer", util.VERSION, "at port", strconv.Itoa(*f.port))
	filerListener, e := util.NewListener(
		":"+strconv.Itoa(*f.port),
		time.Duration(10)*time.Second,
	)
	if e != nil {
		glog.Fatalf(e.Error())
	}
	if e := http.Serve(filerListener, r); e != nil {
		glog.Fatalf("Filer Fail to serve:%s", e.Error())
	}

	return true
}

func NewMasterServer(r *mux.Router, port int, metaFolder string,
	volumeSizeLimitMB uint,
	pulseSeconds int,
	confFile string,
	defaultReplicaPlacement string,
	garbageThreshold string,
	whiteList []string,
) *MasterServer {
	ms := &MasterServer{
		port:                    port,
		volumeSizeLimitMB:       volumeSizeLimitMB,
		pulseSeconds:            pulseSeconds,
		defaultReplicaPlacement: defaultReplicaPlacement,
		garbageThreshold:        garbageThreshold,
		whiteList:               whiteList,
	}
	ms.bounedLeaderChan = make(chan int, 16)
	seq := sequence.NewMemorySequencer()
	var e error
	if ms.Topo, e = topology.NewTopology("topo", confFile, seq,
		uint64(volumeSizeLimitMB)*1024*1024, pulseSeconds); e != nil {
		glog.Fatalf("cannot create topology:%s", e)
	}
	ms.vg = topology.NewDefaultVolumeGrowth()
	glog.V(0).Infoln("Volume Size Limit is", volumeSizeLimitMB, "MB")

	r.HandleFunc("/dir/assign", ms.proxyToLeader(secure(ms.whiteList, ms.dirAssignHandler)))
	r.HandleFunc("/dir/lookup", ms.proxyToLeader(secure(ms.whiteList, ms.dirLookupHandler)))
	r.HandleFunc("/dir/join", ms.proxyToLeader(secure(ms.whiteList, ms.dirJoinHandler)))
	r.HandleFunc("/dir/status", ms.proxyToLeader(secure(ms.whiteList, ms.dirStatusHandler)))
	r.HandleFunc("/col/delete", ms.proxyToLeader(secure(ms.whiteList, ms.collectionDeleteHandler)))
	r.HandleFunc("/vol/lookup", ms.proxyToLeader(secure(ms.whiteList, ms.volumeLookupHandler)))
	r.HandleFunc("/vol/grow", ms.proxyToLeader(secure(ms.whiteList, ms.volumeGrowHandler)))
	r.HandleFunc("/vol/status", ms.proxyToLeader(secure(ms.whiteList, ms.volumeStatusHandler)))
	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(secure(ms.whiteList, ms.volumeVacuumHandler)))
	r.HandleFunc("/submit", secure(ms.whiteList, ms.submitFromMasterServerHandler))
	r.HandleFunc("/delete", secure(ms.whiteList, ms.deleteFromMasterServerHandler))
	r.HandleFunc("/{fileId}", ms.redirectHandler)
	r.HandleFunc("/stats/counter", secure(ms.whiteList, statsCounterHandler))
	r.HandleFunc("/stats/memory", secure(ms.whiteList, statsMemoryHandler))

	ms.Topo.StartRefreshWritableVolumes(garbageThreshold)

	return ms
}

func writeFileIds(fileName string, fileIdLineChan chan string, finishChan chan bool) {
	file, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		glog.Fatalf("File to create file %s: %s\n", fileName, err)
	}
	defer file.Close()

	for {
		select {
		case <-finishChan:
			wait.Done()
			return
		case line := <-fileIdLineChan:
			file.Write([]byte(line))
			file.Write([]byte("\n"))
		}
	}
}

func runServer(cmd *Command, args []string) bool {
	if *serverOptions.cpuprofile != "" {
		f, err := os.Create(*serverOptions.cpuprofile)
		if err != nil {
			glog.Fatal(err)
		}
		pprof.StartCPUProfile(f)
		defer pprof.StopCPUProfile()
	}

	if *serverPublicIp == "" {
		if *serverIp == "" {
			*serverPublicIp = "localhost"
		} else {
			*serverPublicIp = *serverIp
		}
	}

	*filerOptions.master = *serverPublicIp + ":" + strconv.Itoa(*masterPort)

	if *filerOptions.defaultReplicaPlacement == "" {
		*filerOptions.defaultReplicaPlacement = *masterDefaultReplicaPlacement
	}

	if *serverMaxCpu < 1 {
		*serverMaxCpu = runtime.NumCPU()
	}
	runtime.GOMAXPROCS(*serverMaxCpu)

	folders := strings.Split(*volumeDataFolders, ",")
	maxCountStrings := strings.Split(*volumeMaxDataVolumeCounts, ",")
	maxCounts := make([]int, 0)
	for _, maxString := range maxCountStrings {
		if max, e := strconv.Atoi(maxString); e == nil {
			maxCounts = append(maxCounts, max)
		} else {
			glog.Fatalf("The max specified in -max not a valid number %s", maxString)
		}
	}
	if len(folders) != len(maxCounts) {
		glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(folders), len(maxCounts))
	}
	for _, folder := range folders {
		if err := util.TestFolderWritable(folder); err != nil {
			glog.Fatalf("Check Data Folder(-dir) Writable %s : %s", folder, err)
		}
	}

	if *masterMetaFolder == "" {
		*masterMetaFolder = folders[0]
	}
	if *filerOptions.dir == "" {
		*filerOptions.dir = *masterMetaFolder + "/filer"
		os.MkdirAll(*filerOptions.dir, 0700)
	}
	if err := util.TestFolderWritable(*masterMetaFolder); err != nil {
		glog.Fatalf("Check Meta Folder (-mdir=\"%s\") Writable: %s", *masterMetaFolder, err)
	}
	if err := util.TestFolderWritable(*filerOptions.dir); err != nil {
		glog.Fatalf("Check Mapping Meta Folder (-filer.dir=\"%s\") Writable: %s", *filerOptions.dir, err)
	}

	if *serverWhiteListOption != "" {
		serverWhiteList = strings.Split(*serverWhiteListOption, ",")
	}

	if *isStartingFiler {
		go func() {
			r := http.NewServeMux()
			_, nfs_err := weed_server.NewFilerServer(r, *filerOptions.port, *filerOptions.master, *filerOptions.dir, *filerOptions.collection)
			if nfs_err != nil {
				glog.Fatalf(nfs_err.Error())
			}
			glog.V(0).Infoln("Start Weed Filer", util.VERSION, "at port", strconv.Itoa(*filerOptions.port))
			filerListener, e := util.NewListener(
				":"+strconv.Itoa(*filerOptions.port),
				time.Duration(10)*time.Second,
			)
			if e != nil {
				glog.Fatalf(e.Error())
			}
			if e := http.Serve(filerListener, r); e != nil {
				glog.Fatalf("Filer Fail to serve:%s", e.Error())
			}
		}()
	}

	var raftWaitForMaster sync.WaitGroup
	var volumeWait sync.WaitGroup

	raftWaitForMaster.Add(1)
	volumeWait.Add(1)

	go func() {
		r := mux.NewRouter()
		ms := weed_server.NewMasterServer(r, *masterPort, *masterMetaFolder,
			*masterVolumeSizeLimitMB, *volumePulse, *masterConfFile, *masterDefaultReplicaPlacement, *garbageThreshold, serverWhiteList,
		)

		glog.V(0).Infoln("Start Weed Master", util.VERSION, "at", *serverIp+":"+strconv.Itoa(*masterPort))
//.........這裏部分代碼省略.........

func runExport(cmd *Command, args []string) bool {

	if *exportVolumeId == -1 {
		return false
	}

	var err error
	if *dest != "" {
		if *dest != "-" && !strings.HasSuffix(*dest, ".tar") {
			fmt.Println("the output file", *dest, "should be '-' or end with .tar")
			return false
		}

		if fnTmpl, err = template.New("name").Parse(*format); err != nil {
			fmt.Println("cannot parse format " + *format + ": " + err.Error())
			return false
		}

		var fh *os.File
		if *dest == "-" {
			fh = os.Stdout
		} else {
			if fh, err = os.Create(*dest); err != nil {
				glog.Fatalf("cannot open output tar %s: %s", *dest, err)
			}
		}
		defer fh.Close()
		tarFh = tar.NewWriter(fh)
		defer tarFh.Close()
		t := time.Now()
		tarHeader = tar.Header{Mode: 0644,
			ModTime: t, Uid: os.Getuid(), Gid: os.Getgid(),
			Typeflag:   tar.TypeReg,
			AccessTime: t, ChangeTime: t}
	}

	fileName := strconv.Itoa(*exportVolumeId)
	if *exportCollection != "" {
		fileName = *exportCollection + "_" + fileName
	}
	vid := storage.VolumeId(*exportVolumeId)
	indexFile, err := os.OpenFile(path.Join(*exportVolumePath, fileName+".idx"), os.O_RDONLY, 0644)
	if err != nil {
		glog.Fatalf("Create Volume Index [ERROR] %s\n", err)
	}
	defer indexFile.Close()

	nm, err := storage.LoadNeedleMap(indexFile)
	if err != nil {
		glog.Fatalf("cannot load needle map from %s: %s", indexFile.Name(), err)
	}

	var version storage.Version

	err = storage.ScanVolumeFile(*exportVolumePath, *exportCollection, vid, func(superBlock storage.SuperBlock) error {
		version = superBlock.Version()
		return nil
	}, true, func(n *storage.Needle, offset int64) error {
		nv, ok := nm.Get(n.Id)
		glog.V(3).Infoln("key", n.Id, "offset", offset, "size", n.Size, "disk_size", n.DiskSize(), "gzip", n.IsGzipped(), "ok", ok, "nv", nv)
		if ok && nv.Size > 0 {
			return walker(vid, n, version)
		} else {
			if !ok {
				debug("This seems deleted", n.Id, "size", n.Size)
			} else {
				debug("Id", n.Id, "size", n.Size)
			}
		}
		return nil
	})
	if err != nil {
		glog.Fatalf("Export Volume File [ERROR] %s\n", err)
	}
	return true
}

func runVolume(cmd *Command, args []string) bool {
	if *vMaxCpu < 1 {
		*vMaxCpu = runtime.NumCPU()
	}
	runtime.GOMAXPROCS(*vMaxCpu)
	folders := strings.Split(*volumeFolders, ",")
	maxCountStrings := strings.Split(*maxVolumeCounts, ",")
	maxCounts := make([]int, 0)
	for _, maxString := range maxCountStrings {
		if max, e := strconv.Atoi(maxString); e == nil {
			maxCounts = append(maxCounts, max)
		} else {
			glog.Fatalf("The max specified in -max not a valid number %s", max)
		}
	}
	if len(folders) != len(maxCounts) {
		glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(folders), len(maxCounts))
	}
	for _, folder := range folders {
		fileInfo, err := os.Stat(folder)
		if err != nil {
			glog.Fatalf("No Existing Folder:%s", folder)
		}
		if !fileInfo.IsDir() {
			glog.Fatalf("Volume Folder should not be a file:%s", folder)
		}
		perm := fileInfo.Mode().Perm()
		glog.V(0).Infoln("Volume Folder", folder)
		glog.V(0).Infoln("Permission:", perm)
	}

	if *publicUrl == "" {
		*publicUrl = *ip + ":" + strconv.Itoa(*vport)
	}
	if *volumeWhiteListOption != "" {
		volumeWhiteList = strings.Split(*volumeWhiteListOption, ",")
	}

	store = storage.NewStore(*vport, *ip, *publicUrl, folders, maxCounts)
	defer store.Close()
	http.HandleFunc("/", storeHandler)
	http.HandleFunc("/submit", secure(volumeWhiteList, submitFromVolumeServerHandler))
	http.HandleFunc("/status", secure(volumeWhiteList, statusHandler))
	http.HandleFunc("/admin/assign_volume", secure(volumeWhiteList, assignVolumeHandler))
	http.HandleFunc("/admin/vacuum_volume_check", secure(volumeWhiteList, vacuumVolumeCheckHandler))
	http.HandleFunc("/admin/vacuum_volume_compact", secure(volumeWhiteList, vacuumVolumeCompactHandler))
	http.HandleFunc("/admin/vacuum_volume_commit", secure(volumeWhiteList, vacuumVolumeCommitHandler))
	http.HandleFunc("/admin/freeze_volume", secure(volumeWhiteList, freezeVolumeHandler))

	go func() {
		connected := true
		store.SetMaster(*masterNode)
		store.SetDataCenter(*dataCenter)
		store.SetRack(*rack)
		for {
			err := store.Join()
			if err == nil {
				if !connected {
					connected = true
					glog.V(0).Infoln("Reconnected with master")
				}
			} else {
				if connected {
					connected = false
				}
			}
			time.Sleep(time.Duration(float32(*vpulse*1e3)*(1+rand.Float32())) * time.Millisecond)
		}
	}()
	glog.V(0).Infoln("store joined at", *masterNode)

	glog.V(0).Infoln("Start Weed volume server", VERSION, "at http://"+*ip+":"+strconv.Itoa(*vport))
	srv := &http.Server{
		Addr:        ":" + strconv.Itoa(*vport),
		Handler:     http.DefaultServeMux,
		ReadTimeout: (time.Duration(*vReadTimeout) * time.Second),
	}
	e := srv.ListenAndServe()
	if e != nil {
		glog.Fatalf("Fail to start:%s", e.Error())
	}
	return true
}