Examples with Channel org.ethereum.net.server.Channel used on opensource projects

Example 16 with Channel

use of org.ethereum.net.server.Channel in project rskj by rsksmart.

the class SyncPool method heartBeat.

private void heartBeat() {
    for (Channel peer : this) {
        if (!peer.isIdle() && peer.getSyncStats().secondsSinceLastUpdate() > config.peerChannelReadTimeout()) {
            logger.info("Peer {}: no response after %d seconds", peer.getPeerIdShort(), config.peerChannelReadTimeout());
            peer.dropConnection();
        }
    }
}

Example 17 with Channel

use of org.ethereum.net.server.Channel in project rskj by rsksmart.

the class SyncPool method prepareActive.

private void prepareActive() {
    synchronized (peers) {
        List<Channel> active = new ArrayList<>(peers.values());
        if (active.isEmpty()) {
            return;
        }
        // filtering by 20% from top difficulty
        Collections.sort(active, new Comparator<Channel>() {

            @Override
            public int compare(Channel c1, Channel c2) {
                return c2.getTotalDifficulty().compareTo(c1.getTotalDifficulty());
            }
        });
        BigInteger highestDifficulty = active.get(0).getTotalDifficulty();
        int thresholdIdx = min(config.syncPeerCount(), active.size()) - 1;
        for (int i = thresholdIdx; i >= 0; i--) {
            if (isIn20PercentRange(active.get(i).getTotalDifficulty(), highestDifficulty)) {
                thresholdIdx = i;
                break;
            }
        }
        List<Channel> filtered = active.subList(0, thresholdIdx + 1);
        // sorting by latency in asc order
        Collections.sort(filtered, new Comparator<Channel>() {

            @Override
            public int compare(Channel c1, Channel c2) {
                return Double.valueOf(c1.getPeerStats().getAvgLatency()).compareTo(c2.getPeerStats().getAvgLatency());
            }
        });
        synchronized (activePeers) {
            activePeers.clear();
            activePeers.addAll(filtered);
        }
    }
}