Exemplo n.º 1
0
func TestListDropRepo(t *testing.T) {
	db, err := leveldb.Open(storage.NewMemStorage(), nil)
	if err != nil {
		t.Fatal(err)
	}

	s0 := files.NewSet("test0", db)
	local1 := []protocol.FileInfo{
		protocol.FileInfo{Name: "a", Version: 1000},
		protocol.FileInfo{Name: "b", Version: 1000},
		protocol.FileInfo{Name: "c", Version: 1000},
	}
	s0.Replace(protocol.LocalNodeID, local1)

	s1 := files.NewSet("test1", db)
	local2 := []protocol.FileInfo{
		protocol.FileInfo{Name: "d", Version: 1002},
		protocol.FileInfo{Name: "e", Version: 1002},
		protocol.FileInfo{Name: "f", Version: 1002},
	}
	s1.Replace(remoteNode0, local2)

	// Check that we have both repos and their data is in the global list

	expectedRepoList := []string{"test0", "test1"}
	if actualRepoList := files.ListRepos(db); !reflect.DeepEqual(actualRepoList, expectedRepoList) {
		t.Fatalf("RepoList mismatch\nE: %v\nA: %v", expectedRepoList, actualRepoList)
	}
	if l := len(globalList(s0)); l != 3 {
		t.Errorf("Incorrect global length %d != 3 for s0", l)
	}
	if l := len(globalList(s1)); l != 3 {
		t.Errorf("Incorrect global length %d != 3 for s1", l)
	}

	// Drop one of them and check that it's gone.

	files.DropRepo(db, "test1")

	expectedRepoList = []string{"test0"}
	if actualRepoList := files.ListRepos(db); !reflect.DeepEqual(actualRepoList, expectedRepoList) {
		t.Fatalf("RepoList mismatch\nE: %v\nA: %v", expectedRepoList, actualRepoList)
	}
	if l := len(globalList(s0)); l != 3 {
		t.Errorf("Incorrect global length %d != 3 for s0", l)
	}
	if l := len(globalList(s1)); l != 0 {
		t.Errorf("Incorrect global length %d != 0 for s1", l)
	}
}
Exemplo n.º 2
0
func syncthingMain() {
	var err error

	if len(os.Getenv("GOGC")) == 0 {
		debug.SetGCPercent(25)
	}

	if len(os.Getenv("GOMAXPROCS")) == 0 {
		runtime.GOMAXPROCS(runtime.NumCPU())
	}

	confDir = expandTilde(confDir)

	events.Default.Log(events.Starting, map[string]string{"home": confDir})

	if _, err = os.Stat(confDir); err != nil && confDir == getDefaultConfDir() {
		// We are supposed to use the default configuration directory. It
		// doesn't exist. In the past our default has been ~/.syncthing, so if
		// that directory exists we move it to the new default location and
		// continue. We don't much care if this fails at this point, we will
		// be checking that later.

		var oldDefault string
		if runtime.GOOS == "windows" {
			oldDefault = filepath.Join(os.Getenv("AppData"), "Syncthing")
		} else {
			oldDefault = expandTilde("~/.syncthing")
		}
		if _, err := os.Stat(oldDefault); err == nil {
			os.MkdirAll(filepath.Dir(confDir), 0700)
			if err := os.Rename(oldDefault, confDir); err == nil {
				l.Infoln("Moved config dir", oldDefault, "to", confDir)
			}
		}
	}

	// Ensure that our home directory exists and that we have a certificate and key.

	ensureDir(confDir, 0700)
	cert, err = loadCert(confDir, "")
	if err != nil {
		newCertificate(confDir, "")
		cert, err = loadCert(confDir, "")
		l.FatalErr(err)
	}

	myID = protocol.NewNodeID(cert.Certificate[0])
	l.SetPrefix(fmt.Sprintf("[%s] ", myID.String()[:5]))

	l.Infoln(LongVersion)
	l.Infoln("My ID:", myID)

	// Prepare to be able to save configuration

	cfgFile := filepath.Join(confDir, "config.xml")
	go saveConfigLoop(cfgFile)

	var myName string

	// Load the configuration file, if it exists.
	// If it does not, create a template.

	cf, err := os.Open(cfgFile)
	if err == nil {
		// Read config.xml
		cfg, err = config.Load(cf, myID)
		if err != nil {
			l.Fatalln(err)
		}
		cf.Close()
		myCfg := cfg.GetNodeConfiguration(myID)
		if myCfg == nil || myCfg.Name == "" {
			myName, _ = os.Hostname()
		} else {
			myName = myCfg.Name
		}
	} else {
		l.Infoln("No config file; starting with empty defaults")
		myName, _ = os.Hostname()
		defaultRepo := filepath.Join(getHomeDir(), "Sync")

		cfg, err = config.Load(nil, myID)
		cfg.Repositories = []config.RepositoryConfiguration{
			{
				ID:              "default",
				Directory:       defaultRepo,
				RescanIntervalS: 60,
				Nodes:           []config.RepositoryNodeConfiguration{{NodeID: myID}},
			},
		}
		cfg.Nodes = []config.NodeConfiguration{
			{
				NodeID:    myID,
				Addresses: []string{"dynamic"},
				Name:      myName,
			},
		}

		port, err := getFreePort("127.0.0.1", 8080)
		l.FatalErr(err)
		cfg.GUI.Address = fmt.Sprintf("127.0.0.1:%d", port)

		port, err = getFreePort("0.0.0.0", 22000)
		l.FatalErr(err)
		cfg.Options.ListenAddress = []string{fmt.Sprintf("0.0.0.0:%d", port)}

		saveConfig()
		l.Infof("Edit %s to taste or use the GUI\n", cfgFile)
	}

	if profiler := os.Getenv("STPROFILER"); len(profiler) > 0 {
		go func() {
			l.Debugln("Starting profiler on", profiler)
			runtime.SetBlockProfileRate(1)
			err := http.ListenAndServe(profiler, nil)
			if err != nil {
				l.Fatalln(err)
			}
		}()
	}

	// The TLS configuration is used for both the listening socket and outgoing
	// connections.

	tlsCfg := &tls.Config{
		Certificates:           []tls.Certificate{cert},
		NextProtos:             []string{"bep/1.0"},
		ServerName:             myID.String(),
		ClientAuth:             tls.RequestClientCert,
		SessionTicketsDisabled: true,
		InsecureSkipVerify:     true,
		MinVersion:             tls.VersionTLS12,
	}

	// If the write rate should be limited, set up a rate limiter for it.
	// This will be used on connections created in the connect and listen routines.

	if cfg.Options.MaxSendKbps > 0 {
		rateBucket = ratelimit.NewBucketWithRate(float64(1000*cfg.Options.MaxSendKbps), int64(5*1000*cfg.Options.MaxSendKbps))
	}

	// If this is the first time the user runs v0.9, archive the old indexes and config.
	archiveLegacyConfig()

	db, err := leveldb.OpenFile(filepath.Join(confDir, "index"), &opt.Options{MaxOpenFiles: 100})
	if err != nil {
		l.Fatalln("Cannot open database:", err, "- Is another copy of Syncthing already running?")
	}

	// Remove database entries for repos that no longer exist in the config
	repoMap := cfg.RepoMap()
	for _, repo := range files.ListRepos(db) {
		if _, ok := repoMap[repo]; !ok {
			l.Infof("Cleaning data for dropped repo %q", repo)
			files.DropRepo(db, repo)
		}
	}

	m := model.NewModel(confDir, &cfg, myName, "syncthing", Version, db)

nextRepo:
	for i, repo := range cfg.Repositories {
		if repo.Invalid != "" {
			continue
		}

		repo.Directory = expandTilde(repo.Directory)

		fi, err := os.Stat(repo.Directory)
		if m.LocalVersion(repo.ID) > 0 {
			// Safety check. If the cached index contains files but the
			// repository doesn't exist, we have a problem. We would assume
			// that all files have been deleted which might not be the case,
			// so mark it as invalid instead.
			if err != nil || !fi.IsDir() {
				l.Warnf("Stopping repository %q - directory missing, but has files in index", repo.ID)
				cfg.Repositories[i].Invalid = "repo directory missing"
				continue nextRepo
			}
		} else if os.IsNotExist(err) {
			// If we don't have ny files in the index, and the directory does
			// exist, try creating it.
			err = os.MkdirAll(repo.Directory, 0700)
		}

		if err != nil {
			// If there was another error or we could not create the
			// directory, the repository is invalid.
			l.Warnf("Stopping repository %q - %v", err)
			cfg.Repositories[i].Invalid = err.Error()
			continue nextRepo
		}

		m.AddRepo(repo)
	}

	// GUI

	guiCfg := overrideGUIConfig(cfg.GUI, guiAddress, guiAuthentication, guiAPIKey)

	if guiCfg.Enabled && guiCfg.Address != "" {
		addr, err := net.ResolveTCPAddr("tcp", guiCfg.Address)
		if err != nil {
			l.Fatalf("Cannot start GUI on %q: %v", guiCfg.Address, err)
		} else {
			var hostOpen, hostShow string
			switch {
			case addr.IP == nil:
				hostOpen = "localhost"
				hostShow = "0.0.0.0"
			case addr.IP.IsUnspecified():
				hostOpen = "localhost"
				hostShow = addr.IP.String()
			default:
				hostOpen = addr.IP.String()
				hostShow = hostOpen
			}

			var proto = "http"
			if guiCfg.UseTLS {
				proto = "https"
			}

			l.Infof("Starting web GUI on %s://%s/", proto, net.JoinHostPort(hostShow, strconv.Itoa(addr.Port)))
			err := startGUI(guiCfg, os.Getenv("STGUIASSETS"), m)
			if err != nil {
				l.Fatalln("Cannot start GUI:", err)
			}
			if !noBrowser && cfg.Options.StartBrowser && len(os.Getenv("STRESTART")) == 0 {
				openURL(fmt.Sprintf("%s://%s:%d", proto, hostOpen, addr.Port))
			}
		}
	}

	// Clear out old indexes for other nodes. Otherwise we'll start up and
	// start needing a bunch of files which are nowhere to be found. This
	// needs to be changed when we correctly do persistent indexes.
	for _, repoCfg := range cfg.Repositories {
		if repoCfg.Invalid != "" {
			continue
		}
		for _, node := range repoCfg.NodeIDs() {
			if node == myID {
				continue
			}
			m.Index(node, repoCfg.ID, nil)
		}
	}

	// Walk the repository and update the local model before establishing any
	// connections to other nodes.

	m.CleanRepos()
	l.Infoln("Performing initial repository scan")
	m.ScanRepos()

	// Remove all .idx* files that don't belong to an active repo.

	validIndexes := make(map[string]bool)
	for _, repo := range cfg.Repositories {
		dir := expandTilde(repo.Directory)
		id := fmt.Sprintf("%x", sha1.Sum([]byte(dir)))
		validIndexes[id] = true
	}

	allIndexes, err := filepath.Glob(filepath.Join(confDir, "*.idx*"))
	if err == nil {
		for _, idx := range allIndexes {
			bn := filepath.Base(idx)
			fs := strings.Split(bn, ".")
			if len(fs) > 1 {
				if _, ok := validIndexes[fs[0]]; !ok {
					l.Infoln("Removing old index", bn)
					os.Remove(idx)
				}
			}
		}
	}

	// UPnP

	if cfg.Options.UPnPEnabled {
		setupUPnP()
	}

	// Routine to connect out to configured nodes
	discoverer = discovery(externalPort)
	go listenConnect(myID, m, tlsCfg)

	for _, repo := range cfg.Repositories {
		if repo.Invalid != "" {
			continue
		}

		// Routine to pull blocks from other nodes to synchronize the local
		// repository. Does not run when we are in read only (publish only) mode.
		if repo.ReadOnly {
			l.Okf("Ready to synchronize %s (read only; no external updates accepted)", repo.ID)
			m.StartRepoRO(repo.ID)
		} else {
			l.Okf("Ready to synchronize %s (read-write)", repo.ID)
			m.StartRepoRW(repo.ID, cfg.Options.ParallelRequests)
		}
	}

	if cpuprof := os.Getenv("STCPUPROFILE"); len(cpuprof) > 0 {
		f, err := os.Create(fmt.Sprintf("cpu-%d.pprof", os.Getpid()))
		if err != nil {
			log.Fatal(err)
		}
		pprof.StartCPUProfile(f)
		defer pprof.StopCPUProfile()
	}

	for _, node := range cfg.Nodes {
		if len(node.Name) > 0 {
			l.Infof("Node %s is %q at %v", node.NodeID, node.Name, node.Addresses)
		}
	}

	if cfg.Options.URAccepted > 0 && cfg.Options.URAccepted < usageReportVersion {
		l.Infoln("Anonymous usage report has changed; revoking acceptance")
		cfg.Options.URAccepted = 0
	}
	if cfg.Options.URAccepted >= usageReportVersion {
		go usageReportingLoop(m)
		go func() {
			time.Sleep(10 * time.Minute)
			err := sendUsageReport(m)
			if err != nil {
				l.Infoln("Usage report:", err)
			}
		}()
	}

	go standbyMonitor()

	events.Default.Log(events.StartupComplete, nil)
	go generateEvents()

	code := <-stop

	l.Okln("Exiting")
	os.Exit(code)
}