Esempio n. 1
0
func newLedger(p peer.ID) *ledger {
	return &ledger{
		wantList:   wl.New(),
		Partner:    p,
		sentToPeer: make(map[key.Key]time.Time),
	}
}
Esempio n. 2
0
// MessageReceived performs book-keeping. Returns error if passed invalid
// arguments.
func (e *Engine) MessageReceived(p peer.ID, m bsmsg.BitSwapMessage) error {
	e.lock.Lock()
	defer e.lock.Unlock()

	if len(m.Wantlist()) == 0 && len(m.Blocks()) == 0 {
		log.Debugf("received empty message from %s", p)
	}

	newWorkExists := false
	defer func() {
		if newWorkExists {
			e.signalNewWork()
		}
	}()

	l := e.findOrCreate(p)
	if m.Full() {
		l.wantList = wl.New()
	}

	for _, entry := range m.Wantlist() {
		if entry.Cancel {
			log.Debugf("cancel %s", entry.Key)
			l.CancelWant(entry.Key)
			e.peerRequestQueue.Remove(entry.Key, p)
		} else {
			log.Debugf("wants %s - %d", entry.Key, entry.Priority)
			l.Wants(entry.Key, entry.Priority)
			if exists, err := e.bs.Has(entry.Key); err == nil && exists {
				e.peerRequestQueue.Push(entry.Entry, p)
				newWorkExists = true
			}
		}
	}

	for _, block := range m.Blocks() {
		log.Debugf("got block %s %d bytes", block.Key(), len(block.Data))
		l.ReceivedBytes(len(block.Data))
		for _, l := range e.ledgerMap {
			if entry, ok := l.WantListContains(block.Key()); ok {
				e.peerRequestQueue.Push(entry, l.Partner)
				newWorkExists = true
			}
		}
	}
	return nil
}
Esempio n. 3
0
// MessageReceived performs book-keeping. Returns error if passed invalid
// arguments.
func (e *Engine) MessageReceived(p peer.ID, m bsmsg.BitSwapMessage) error {
	if len(m.Wantlist()) == 0 && len(m.Blocks()) == 0 {
		log.Debugf("received empty message from %s", p)
	}

	newWorkExists := false
	defer func() {
		if newWorkExists {
			e.signalNewWork()
		}
	}()

	l := e.findOrCreate(p)
	l.lk.Lock()
	defer l.lk.Unlock()
	if m.Full() {
		l.wantList = wl.New()
	}

	for _, entry := range m.Wantlist() {
		if entry.Cancel {
			log.Debugf("%s cancel %s", p, entry.Cid)
			l.CancelWant(entry.Cid)
			e.peerRequestQueue.Remove(entry.Cid, p)
		} else {
			log.Debugf("wants %s - %d", entry.Cid, entry.Priority)
			l.Wants(entry.Cid, entry.Priority)
			if exists, err := e.bs.Has(entry.Cid); err == nil && exists {
				e.peerRequestQueue.Push(entry.Entry, p)
				newWorkExists = true
			}
		}
	}

	for _, block := range m.Blocks() {
		log.Debugf("got block %s %d bytes", block, len(block.RawData()))
		l.ReceivedBytes(len(block.RawData()))
	}
	return nil
}