Examples with RelayPeer i2p.bote.network.RelayPeer used on opensource projects

Example 1 with RelayPeer

use of i2p.bote.network.RelayPeer in project i2p.i2p-bote by i2p.

the class RelayPeerManager method run.

@Override
public void run() {
    while (!Thread.interrupted()) {
        try {
            // ask all peers for their peer lists
            Set<RelayPeer> peersToQuery = new HashSet<RelayPeer>(peers);
            PacketBatch batch = new PacketBatch();
            for (RelayPeer peer : peersToQuery) // don't reuse request packets because PacketBatch will not add the same one more than once
            batch.putPacket(new PeerListRequest(), peer);
            sendQueue.send(batch);
            batch.awaitSendCompletion();
            batch.awaitAllResponses(2, TimeUnit.MINUTES);
            // build a Set of destinations
            Set<Destination> responders = batch.getResponses().keySet();
            // update reachability data
            log.debug("Relay peer stats:");
            for (RelayPeer peer : peersToQuery) {
                // use peersToQuery (not peers) so new peers that have been added in the meantime are not wrongly considered unresponsive
                boolean didRespond = responders.contains(peer);
                peer.addReachabilitySample(didRespond);
                if (log.shouldLog(Log.DEBUG)) {
                    StringBuilder logMessage = new StringBuilder("  ");
                    logMessage.append(Util.toBase32(peer));
                    logMessage.append(" ");
                    for (boolean responded : peer.getAllSamples()) logMessage.append(responded ? '*' : '.');
                    log.debug(logMessage.toString());
                }
            }
            // make a Set with the new peers
            Set<Destination> receivedPeers = new HashSet<Destination>();
            BanList banList = BanList.getInstance();
            for (DataPacket response : batch.getResponses().values()) {
                if (!(response instanceof PeerList))
                    continue;
                PeerList peerList = (PeerList) response;
                for (Destination peer : peerList.getPeers()) if (!banList.isBanned(peer))
                    receivedPeers.add(peer);
            }
            log.debug("Received a total of " + receivedPeers.size() + " relay peers in " + batch.getResponses().size() + " packets.");
            // replace low-reachability peers with new peers (a PeerList is supposed to contain only high-reachability peers)
            synchronized (peers) {
                // add all received peers, then remove low-reachability ones (all of which are existing peers)
                for (Destination newPeer : receivedPeers) if (!localDestination.equals(newPeer))
                    peers.add(new RelayPeer(newPeer));
                for (Iterator<RelayPeer> iterator = peers.iterator(); iterator.hasNext(); ) {
                    if (peers.size() <= MAX_PEERS)
                        break;
                    RelayPeer peer = iterator.next();
                    if (// don't remove the peer before it has had a chance to respond to a request
                    !peer.getAllSamples().isEmpty() && peer.getReachability() < MIN_REACHABILITY)
                        iterator.remove();
                }
            }
            log.debug("Number of relay peers is now " + peers.size());
            // if no good peers available, ask more often
            if (getGoodPeers().isEmpty())
                TimeUnit.MINUTES.sleep(UPDATE_INTERVAL_SHORT);
            else
                TimeUnit.MINUTES.sleep(UPDATE_INTERVAL_LONG);
        } catch (InterruptedException e) {
            break;
        } catch (RuntimeException e) {
            // catch unexpected exceptions to keep the thread running
            log.error("Exception caught in RelayPeerManager loop", e);
        }
    }
    writePeers(peerFile);
    log.debug("RelayPeerManager thread exiting.");
}

Example 2 with RelayPeer

use of i2p.bote.network.RelayPeer in project i2p.i2p-bote by i2p.

the class PeerInfoTag method createRelayChart.

private String createRelayChart(RelayPeer[] relayPeers) throws IOException {
    RingPlot plot;
    if (relayPeers.length == 0) {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("", 100);
        plot = new RingPlot(dataset);
        plot.setSectionPaint("", Color.gray);
    } else {
        int good = 0;
        int untested = 0;
        for (RelayPeer relayPeer : relayPeers) {
            int reachability = relayPeer.getReachability();
            if (reachability == 0)
                untested += 1;
            else if (reachability > 80)
                good += 1;
        }
        int bad = relayPeers.length - good - untested;
        DefaultPieDataset dataset = new DefaultPieDataset();
        if (good > 0)
            dataset.setValue(_t("Good"), good);
        if (bad > 0)
            dataset.setValue(_t("Unreliable"), bad);
        if (untested > 0)
            dataset.setValue(_t("Untested"), untested);
        plot = new RingPlot(dataset);
        plot.setSectionPaint(_t("Good"), Color.green);
        plot.setSectionPaint(_t("Unreliable"), Color.red);
        plot.setSectionPaint(_t("Untested"), Color.orange);
    }
    plot.setLabelGenerator(null);
    plot.setShadowGenerator(null);
    JFreeChart chart = new JFreeChart(_t("Relay Peers:"), JFreeChart.DEFAULT_TITLE_FONT, plot, relayPeers.length == 0 ? false : true);
    return ServletUtilities.saveChartAsPNG(chart, 400, 300, null);
}

Example 3 with RelayPeer

use of i2p.bote.network.RelayPeer in project i2p.i2p-bote by i2p.

the class PeerInfoTag method doTag.

@Override
public void doTag() {
    PageContext pageContext = (PageContext) getJspContext();
    JspWriter out = pageContext.getOut();
    try {
        // Print DHT peer info
        DhtPeerStats dhtStats = I2PBote.getInstance().getDhtStats(new WebappPeerStatsRenderer());
        if (dhtStats == null)
            return;
        int numDhtPeers = dhtStats.getData().size();
        // Get a sorted list of relay peers
        RelayPeer[] relayPeers = I2PBote.getInstance().getRelayPeers().toArray(new RelayPeer[0]);
        Arrays.sort(relayPeers, new Comparator<RelayPeer>() {

            @Override
            public int compare(RelayPeer peer1, RelayPeer peer2) {
                return peer2.getReachability() - peer1.getReachability();
            }
        });
        // Print charts
        out.println("<div class=\"network-charts\">");
        out.println("<div class=\"chart\">");
        out.println("<img src=\"displayChart?filename=" + createDhtChart(dhtStats) + "\"/>");
        out.println("<div class=\"chart-text\">" + numDhtPeers + "</div>");
        out.println("</div>");
        out.println("<div class=\"chart\">");
        out.println("<img src=\"displayChart?filename=" + createRelayChart(relayPeers) + "\"/>");
        out.println("<div class=\"chart-text\">" + relayPeers.length + "</div>");
        out.println("</div>");
        out.println("</div>");
        out.println("<br>");
        out.println("<span class=\"subheading\">" + _t("Kademlia Peers:") + " " + numDhtPeers + "</span>");
        if (numDhtPeers > 0) {
            out.println("<table");
            // header
            out.println("<tr>");
            for (String columnHeader : dhtStats.getHeader()) out.println("<th>" + columnHeader + "</th>");
            out.println("</tr>");
            // data
            for (DhtPeerStatsRow row : dhtStats.getData()) {
                out.println("<tr>");
                for (String cellData : row.toStrings()) out.println("<td class=\"ellipsis\">" + cellData + "</td>");
                out.println("</tr>");
            }
            out.println("</table>");
        }
        out.println("<br/>");
        // Print relay peer info
        out.println("<span class=\"subheading\">" + _t("Relay Peers:") + " " + relayPeers.length + "</span>");
        if (relayPeers.length > 0) {
            out.println("<table");
            out.println("<tr>");
            out.println("<th>" + _t("Peer") + "</th>");
            out.println("<th>" + _t("I2P Destination") + "</th>");
            out.println("<th>" + _t("Reachability %") + "</th>");
            out.println("</tr>");
            int i = 1;
            for (RelayPeer peer : relayPeers) {
                out.println("<tr>");
                out.println("<td>" + i + "</td>");
                out.println("<td class=\"ellipsis\">" + Util.toBase32(peer) + "</td>");
                int reachability = peer.getReachability();
                out.println("<td>" + (reachability == 0 ? _t("Untested") : reachability) + "</td>");
                out.println("</tr>");
                i++;
            }
            out.println("</table>");
        }
        out.println("<br/>");
        // List banned peers
        Collection<BannedPeer> bannedPeers = I2PBote.getInstance().getBannedPeers();
        out.println("<span class=\"subheading\">" + _t("Banned Peers:") + " " + bannedPeers.size() + "</span>");
        if (bannedPeers.size() > 0) {
            out.println("<table>");
            out.println("<tr>");
            out.println("<th>" + _t("Peer") + "</th>");
            out.println("<th>" + _t("Destination Hash") + "</th>");
            out.println("<th>" + _t("Ban Reason") + "</th>");
            out.println("</tr>");
            int peerIndex = 1;
            for (BannedPeer peer : bannedPeers) {
                out.println("<tr>");
                out.println("<td>" + peerIndex++ + "</td>");
                out.println("<td class=\"ellipsis\">" + Util.toBase32(peer.getDestination()) + "</td>");
                out.println("<td>" + getBanReason(peer) + "</td>");
                out.println("</tr>");
            }
            out.println("</table>");
        }
    } catch (IOException e) {
        log.error("Can't write output to HTML page", e);
    }
}

Example 4 with RelayPeer

use of i2p.bote.network.RelayPeer in project i2p.i2p-bote by i2p.

the class NetworkInfoFragment method setupRelayPeers.

private void setupRelayPeers() {
    Set<RelayPeer> relayPeers = I2PBote.getInstance().getRelayPeers();
    mRelayPeers.setText("" + relayPeers.size());
    if (relayPeers.size() == 0) {
        Segment n = new Segment("", 100);
        SegmentFormatter nf = new SegmentFormatter(getResources().getColor(android.R.color.darker_gray));
        setupSegmentFormatter(nf);
        mRelayPie.addSeries(n, nf);
    } else {
        int good = 0;
        int untested = 0;
        for (RelayPeer relayPeer : relayPeers) {
            int reachability = relayPeer.getReachability();
            if (reachability == 0)
                untested += 1;
            else if (reachability > 80)
                good += 1;
        }
        int bad = relayPeers.size() - good - untested;
        if (good > 0) {
            Segment g = new Segment(getString(R.string.good), good);
            SegmentFormatter gf = new SegmentFormatter(getResources().getColor(R.color.green));
            setupSegmentFormatter(gf);
            mRelayPie.addSeries(g, gf);
        }
        if (bad > 0) {
            Segment b = new Segment(getString(R.string.unreliable), bad);
            SegmentFormatter bf = new SegmentFormatter(getResources().getColor(R.color.red));
            setupSegmentFormatter(bf);
            mRelayPie.addSeries(b, bf);
        }
        if (untested > 0) {
            Segment u = new Segment(getString(R.string.untested), untested);
            SegmentFormatter uf = new SegmentFormatter(getResources().getColor(R.color.accent));
            setupSegmentFormatter(uf);
            mRelayPie.addSeries(u, uf);
        }
    }
    mRelayPie.getBorderPaint().setColor(Color.TRANSPARENT);
    mRelayPie.getBackgroundPaint().setColor(Color.TRANSPARENT);
}

Example 5 with RelayPeer

use of i2p.bote.network.RelayPeer in project i2p.i2p-bote by i2p.

the class RelayPeerManager method writePeers.

private void writePeers(File file) {
    BufferedWriter writer = null;
    try {
        writer = new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(file.getAbsolutePath())));
        writer.write("# Each line is in the format: <dest> [resp1] [resp2] ...");
        writer.newLine();
        writer.write("#   dest  = the I2P destination");
        writer.newLine();
        writer.write("#   resp* = true or false, depending on whether the peer responded");
        writer.newLine();
        writer.write("# The fields are separated by a tab character.");
        writer.newLine();
        writer.write("# Lines starting with a # are ignored.");
        writer.newLine();
        writer.write("# Do not edit this file while I2P-Bote is running as it will be overwritten.");
        writer.newLine();
        for (RelayPeer peer : peers) {
            writer.write(peer.toBase64());
            for (boolean responded : peer.getAllSamples()) writer.write("\t" + responded);
            writer.newLine();
        }
    } catch (IOException e) {
        log.error("Can't write peers to file <" + file.getAbsolutePath() + ">", e);
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (IOException e) {
                log.error("Can't close BufferedWriter for file <" + file.getAbsolutePath() + ">", e);
            }
    }
}