func NewDiscoverer(id protocol.DeviceID, addresses []string) *Discoverer {
return &Discoverer{
myID: id,
listenAddrs: addresses,
localBcastIntv: 30 * time.Second,
cacheLifetime: 5 * time.Minute,
negCacheCutoff: 3 * time.Minute,
registry: make(map[protocol.DeviceID][]CacheEntry),
lastLookup: make(map[protocol.DeviceID]time.Time),
registryLock: sync.NewRWMutex(),
mut: sync.NewRWMutex(),
}
}
// NewModel creates and starts a new model. The model starts in read-only mode,
// where it sends index information to connected peers and responds to requests
// for file data without altering the local folder in any way.
func NewModel(cfg *config.Wrapper, id protocol.DeviceID, deviceName, clientName, clientVersion string, ldb *leveldb.DB) *Model {
m := &Model{
Supervisor: suture.New("model", suture.Spec{
Log: func(line string) {
if debug {
l.Debugln(line)
}
},
}),
cfg: cfg,
db: ldb,
finder: db.NewBlockFinder(ldb, cfg),
progressEmitter: NewProgressEmitter(cfg),
id: id,
shortID: id.Short(),
deviceName: deviceName,
clientName: clientName,
clientVersion: clientVersion,
folderCfgs: make(map[string]config.FolderConfiguration),
folderFiles: make(map[string]*db.FileSet),
folderDevices: make(map[string][]protocol.DeviceID),
deviceFolders: make(map[protocol.DeviceID][]string),
deviceStatRefs: make(map[protocol.DeviceID]*stats.DeviceStatisticsReference),
folderIgnores: make(map[string]*ignore.Matcher),
folderRunners: make(map[string]service),
folderStatRefs: make(map[string]*stats.FolderStatisticsReference),
protoConn: make(map[protocol.DeviceID]protocol.Connection),
rawConn: make(map[protocol.DeviceID]io.Closer),
deviceVer: make(map[protocol.DeviceID]string),
reqValidationCache: make(map[string]time.Time),
fmut: sync.NewRWMutex(),
pmut: sync.NewRWMutex(),
rvmut: sync.NewRWMutex(),
}
if cfg.Options().ProgressUpdateIntervalS > -1 {
go m.progressEmitter.Serve()
}
return m
}
func NewBlockFinder(db *leveldb.DB, cfg *config.Wrapper) *BlockFinder {
if blockFinder != nil {
return blockFinder
}
f := &BlockFinder{
db: db,
mut: sync.NewRWMutex(),
}
f.CommitConfiguration(config.Configuration{}, cfg.Raw())
cfg.Subscribe(f)
return f
}
func init() {
for _, proto := range []string{"udp", "udp4", "udp6"} {
Register(proto, func(uri *url.URL, pkt *Announce) (Client, error) {
c := &UDPClient{
wg: sync.NewWaitGroup(),
mut: sync.NewRWMutex(),
}
err := c.Start(uri, pkt)
if err != nil {
return nil, err
}
return c, nil
})
}
}
go restart()
}
func (s *apiSvc) postSystemShutdown(w http.ResponseWriter, r *http.Request) {
s.flushResponse(`{"ok": "shutting down"}`, w)
go shutdown()
}
func (s *apiSvc) flushResponse(resp string, w http.ResponseWriter) {
w.Write([]byte(resp + "\n"))
f := w.(http.Flusher)
f.Flush()
}
var cpuUsagePercent [10]float64 // The last ten seconds
var cpuUsageLock = sync.NewRWMutex()
func (s *apiSvc) getSystemStatus(w http.ResponseWriter, r *http.Request) {
var m runtime.MemStats
runtime.ReadMemStats(&m)
tilde, _ := osutil.ExpandTilde("~")
res := make(map[string]interface{})
res["myID"] = myID.String()
res["goroutines"] = runtime.NumGoroutine()
res["alloc"] = m.Alloc
res["sys"] = m.Sys - m.HeapReleased
res["tilde"] = tilde
if cfg.Options().GlobalAnnEnabled && discoverer != nil {
res["extAnnounceOK"] = discoverer.ExtAnnounceOK()
}