func main() {
_, err := flags.Parse(&opts)
if err != nil {
os.Exit(0)
}
if opts.Debug.TraceFile || opts.Debug.TraceIdx || opts.Debug.TraceNet || opts.Debug.LogSource {
logger = log.New(os.Stderr, "", log.Lshortfile|log.Ldate|log.Ltime|log.Lmicroseconds)
}
if strings.HasPrefix(opts.ConfDir, "~/") {
opts.ConfDir = strings.Replace(opts.ConfDir, "~", getHomeDir(), 1)
}
infoln("Version", Version)
// Ensure that our home directory exists and that we have a certificate and key.
ensureDir(opts.ConfDir, 0700)
cert, err := loadCert(opts.ConfDir)
if err != nil {
newCertificate(opts.ConfDir)
cert, err = loadCert(opts.ConfDir)
fatalErr(err)
}
myID := string(certId(cert.Certificate[0]))
infoln("My ID:", myID)
if opts.Debug.Profiler != "" {
go func() {
err := http.ListenAndServe(opts.Debug.Profiler, nil)
if err != nil {
warnln(err)
}
}()
}
// The TLS configuration is used for both the listening socket and outgoing
// connections.
cfg := &tls.Config{
ClientAuth: tls.RequestClientCert,
ServerName: "syncthing",
NextProtos: []string{"bep/1.0"},
InsecureSkipVerify: true,
Certificates: []tls.Certificate{cert},
}
// Load the configuration file, if it exists.
cf, err := os.Open(path.Join(opts.ConfDir, confFileName))
if err != nil {
fatalln("No config file")
config = ini.Config{}
}
config = ini.Parse(cf)
cf.Close()
var dir = config.Get("repository", "dir")
// Create a map of desired node connections based on the configuration file
// directives.
for nodeID, addrs := range config.OptionMap("nodes") {
addrs := strings.Fields(addrs)
nodeAddrs[nodeID] = addrs
}
ensureDir(dir, -1)
m := NewModel(dir)
// Walk the repository and update the local model before establishing any
// connections to other nodes.
if !opts.Rehash {
infoln("Loading index cache")
loadIndex(m)
}
infoln("Populating repository index")
updateLocalModel(m)
// Routine to listen for incoming connections
infoln("Listening for incoming connections")
go listen(myID, opts.Listen, m, cfg)
// Routine to connect out to configured nodes
infoln("Attempting to connect to other nodes")
go connect(myID, opts.Listen, nodeAddrs, m, cfg)
// 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 !opts.ReadOnly {
infoln("Cleaning out incomplete synchronizations")
CleanTempFiles(dir)
okln("Ready to synchronize")
m.Start()
}
// Periodically scan the repository and update the local model.
// XXX: Should use some fsnotify mechanism.
go func() {
for {
time.Sleep(opts.Advanced.ScanInterval)
updateLocalModel(m)
}
}()
select {}
}
func main() {
_, err := flags.Parse(&opts)
if err != nil {
if err, ok := err.(*flags.Error); ok {
if err.Type == flags.ErrHelp {
os.Exit(0)
}
}
fatalln(err)
}
if opts.ShowVersion {
fmt.Println(Version)
os.Exit(0)
}
if len(os.Getenv("GOGC")) == 0 {
debug.SetGCPercent(25)
}
if len(os.Getenv("GOMAXPROCS")) == 0 {
runtime.GOMAXPROCS(runtime.NumCPU())
}
log.SetOutput(os.Stderr)
logger = log.New(os.Stderr, "", log.Flags())
if len(opts.Debug.TraceModel) > 0 || opts.Debug.LogSource {
log.SetFlags(log.Lshortfile | log.Ldate | log.Ltime | log.Lmicroseconds)
logger.SetFlags(log.Lshortfile | log.Ldate | log.Ltime | log.Lmicroseconds)
}
opts.ConfDir = expandTilde(opts.ConfDir)
infoln("Version", Version)
// Ensure that our home directory exists and that we have a certificate and key.
ensureDir(opts.ConfDir, 0700)
cert, err := loadCert(opts.ConfDir)
if err != nil {
newCertificate(opts.ConfDir)
cert, err = loadCert(opts.ConfDir)
fatalErr(err)
}
myID = string(certId(cert.Certificate[0]))
infoln("My ID:", myID)
log.SetPrefix("[" + myID[0:5] + "] ")
logger.SetPrefix("[" + myID[0:5] + "] ")
if opts.Debug.Profiler != "" {
go func() {
err := http.ListenAndServe(opts.Debug.Profiler, nil)
if err != nil {
warnln(err)
}
}()
}
// The TLS configuration is used for both the listening socket and outgoing
// connections.
cfg := &tls.Config{
Certificates: []tls.Certificate{cert},
NextProtos: []string{"bep/1.0"},
ServerName: myID,
ClientAuth: tls.RequestClientCert,
SessionTicketsDisabled: true,
InsecureSkipVerify: true,
MinVersion: tls.VersionTLS12,
}
// Load the configuration file, if it exists.
cf, err := os.Open(path.Join(opts.ConfDir, confFileName))
if err != nil {
fatalln("No config file")
config = ini.Config{}
}
config = ini.Parse(cf)
cf.Close()
var dir = expandTilde(config.Get("repository", "dir"))
// Create a map of desired node connections based on the configuration file
// directives.
for nodeID, addrs := range config.OptionMap("nodes") {
addrs := strings.Fields(addrs)
nodeAddrs[nodeID] = addrs
}
ensureDir(dir, -1)
m := model.NewModel(dir)
for _, t := range opts.Debug.TraceModel {
m.Trace(t)
}
if opts.Advanced.LimitRate > 0 {
m.LimitRate(opts.Advanced.LimitRate)
}
// GUI
if !opts.NoGUI && opts.GUIAddr != "" {
host, port, err := net.SplitHostPort(opts.GUIAddr)
if err != nil {
warnf("Cannot start GUI on %q: %v", opts.GUIAddr, err)
} else {
if len(host) > 0 {
infof("Starting web GUI on http://%s", opts.GUIAddr)
} else {
infof("Starting web GUI on port %s", port)
}
startGUI(opts.GUIAddr, m)
}
}
// Walk the repository and update the local model before establishing any
// connections to other nodes.
if !opts.Rehash {
infoln("Loading index cache")
loadIndex(m)
}
infoln("Populating repository index")
updateLocalModel(m)
// Routine to listen for incoming connections
infoln("Listening for incoming connections")
go listen(myID, opts.Listen, m, cfg)
// Routine to connect out to configured nodes
infoln("Attempting to connect to other nodes")
go connect(myID, opts.Listen, nodeAddrs, m, cfg)
// 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 !opts.ReadOnly {
if opts.NoDelete {
infoln("Deletes from peer nodes will be ignored")
} else {
infoln("Deletes from peer nodes are allowed")
}
okln("Ready to synchronize (read-write)")
m.StartRW(!opts.NoDelete, opts.Advanced.RequestsInFlight)
} else {
okln("Ready to synchronize (read only; no external updates accepted)")
}
// Periodically scan the repository and update the local model.
// XXX: Should use some fsnotify mechanism.
go func() {
for {
time.Sleep(opts.Advanced.ScanInterval)
if m.LocalAge() > opts.Advanced.ScanInterval.Seconds()/2 {
updateLocalModel(m)
}
}
}()
if !opts.NoStats {
// Periodically print statistics
go printStatsLoop(m)
}
select {}
}
