Examples with I2NPMessage net.i2p.data.i2np.I2NPMessage used on opensource projects

Example 6 with I2NPMessage

use of net.i2p.data.i2np.I2NPMessage in project i2p.i2p by i2p.

the class FragmentHandler method receiveComplete.

private void receiveComplete(FragmentedMessage msg) {
    if (msg == null)
        return;
    _completed++;
    String stringified = null;
    if (_log.shouldLog(Log.DEBUG))
        stringified = msg.toString();
    byte[] data = null;
    try {
        int fragmentCount = msg.getFragmentCount();
        // toByteArray destroys the contents of the message completely
        data = msg.toByteArray();
        if (data == null)
            // fragments already released???
            throw new I2NPMessageException("null data");
        if (_log.shouldLog(Log.DEBUG))
            // + Base64.encode(data)
            _log.debug("RECV(" + data.length + "): ");
        // + " " + _context.sha().calculateHash(data).toBase64());
        // TODO read in as unknown message for outbound tunnels,
        // since this will just be packaged in a TunnelGatewayMessage.
        // Not a big savings since most everything is a GarlicMessage
        // and so the readMessage() call is fast.
        // The unencrypted messages at the OBEP are (V)TBMs
        // and perhaps an occasional DatabaseLookupMessage
        I2NPMessage m = new I2NPMessageHandler(_context).readMessage(data);
        // + msg.toString());
        noteReception(m.getUniqueId(), fragmentCount - 1, "complete: ");
        noteCompletion(m.getUniqueId());
        _receiver.receiveComplete(m, msg.getTargetRouter(), msg.getTargetTunnel());
    } catch (I2NPMessageException ime) {
        if (stringified == null)
            stringified = msg.toString();
        if (_log.shouldLog(Log.WARN)) {
            _log.warn("Error receiving fragmented message (corrupt?): " + stringified, ime);
            _log.warn("DUMP:\n" + HexDump.dump(data));
            _log.warn("RAW:\n" + Base64.encode(data));
        }
    }
}

Example 7 with I2NPMessage

use of net.i2p.data.i2np.I2NPMessage in project i2p.i2p by i2p.

the class FragmentHandler method receiveComplete.

/**
 *  Zero-copy reception of an unfragmented message
 *  @since 0.9
 */
private void receiveComplete(byte[] data, int offset, int len, Hash router, TunnelId tunnelId) {
    _completed++;
    try {
        if (_log.shouldLog(Log.DEBUG))
            _log.debug("RECV unfrag(" + len + ')');
        // TODO read in as unknown message for outbound tunnels,
        // since this will just be packaged in a TunnelGatewayMessage.
        // Not a big savings since most everything is a GarlicMessage
        // and so the readMessage() call is fast.
        // The unencrypted messages at the OBEP are (V)TBMs
        // and perhaps an occasional DatabaseLookupMessage
        I2NPMessageHandler h = new I2NPMessageHandler(_context);
        h.readMessage(data, offset, len);
        I2NPMessage m = h.lastRead();
        // + msg.toString());
        noteReception(m.getUniqueId(), 0, "complete: ");
        noteCompletion(m.getUniqueId());
        _receiver.receiveComplete(m, router, tunnelId);
    } catch (I2NPMessageException ime) {
        if (_log.shouldLog(Log.WARN)) {
            _log.warn("Error receiving unfragmented message (corrupt?)", ime);
            _log.warn("DUMP:\n" + HexDump.dump(data, offset, len));
            _log.warn("RAW:\n" + Base64.encode(data, offset, len));
        }
    }
}

Example 8 with I2NPMessage

use of net.i2p.data.i2np.I2NPMessage in project i2p.i2p by i2p.

the class OutboundMessageDistributor method distribute.

private void distribute(I2NPMessage msg, RouterInfo target, TunnelId tunnel) {
    I2NPMessage m = msg;
    if (tunnel != null) {
        TunnelGatewayMessage t = new TunnelGatewayMessage(_context);
        t.setMessage(msg);
        t.setTunnelId(tunnel);
        t.setMessageExpiration(m.getMessageExpiration());
        m = t;
    }
    if (_context.routerHash().equals(target.getIdentity().calculateHash())) {
        if (_log.shouldLog(Log.DEBUG))
            _log.debug("queueing inbound message to ourselves: " + m);
        // TODO if UnknownI2NPMessage, convert it.
        // See FragmentHandler.receiveComplete()
        _context.inNetMessagePool().add(m, null, null);
        return;
    } else {
        OutNetMessage out = new OutNetMessage(_context, m, _context.clock().now() + MAX_DISTRIBUTE_TIME, _priority, target);
        if (_log.shouldLog(Log.DEBUG))
            _log.debug("queueing outbound message to " + target.getIdentity().calculateHash());
        _context.outNetMessagePool().add(out);
    }
}

Example 9 with I2NPMessage

use of net.i2p.data.i2np.I2NPMessage in project i2p.i2p by i2p.

the class GatewayITBase method testLarge.

@Test
public void testLarge() throws Exception {
    int runCount = 1;
    List<DataMessage> messages = new ArrayList<DataMessage>(runCount);
    long start = _context.clock().now();
    for (int i = 0; i < runCount; i++) {
        DataMessage m = getTestMessage(1024);
        messages.add(m);
        _gw.add(m, null, null);
    }
    Thread.sleep(1000);
    List<I2NPMessage> received = _receiver.clearReceived();
    for (int i = 0; i < messages.size(); i++) {
        assertTrue(received.contains(((I2NPMessage) messages.get(i))));
    }
}

Example 10 with I2NPMessage

use of net.i2p.data.i2np.I2NPMessage in project i2p.i2p by i2p.

the class SearchUpdateReplyFoundJob method runJob.

public void runJob() {
    if (_isFloodfillPeer)
        _job.decrementOutstandingFloodfillSearches();
    I2NPMessage message = _message;
    if (_log.shouldLog(Log.INFO))
        _log.info(getJobId() + ": Reply from " + _peer.toBase64() + " with message " + message.getClass().getSimpleName());
    long howLong = System.currentTimeMillis() - _sentOn;
    // assume requests are 1KB (they're almost always much smaller, but tunnels have a fixed size)
    int msgSize = 1024;
    if (_replyTunnel != null) {
        for (int i = 0; i < _replyTunnel.getLength(); i++) getContext().profileManager().tunnelDataPushed(_replyTunnel.getPeer(i), howLong, msgSize);
        _replyTunnel.incrementVerifiedBytesTransferred(msgSize);
    }
    if (_outTunnel != null) {
        for (int i = 0; i < _outTunnel.getLength(); i++) getContext().profileManager().tunnelDataPushed(_outTunnel.getPeer(i), howLong, msgSize);
        _outTunnel.incrementVerifiedBytesTransferred(msgSize);
    }
    if (message instanceof DatabaseStoreMessage) {
        long timeToReply = _state.dataFound(_peer);
        DatabaseStoreMessage msg = (DatabaseStoreMessage) message;
        DatabaseEntry entry = msg.getEntry();
        try {
            _facade.store(msg.getKey(), entry);
            getContext().profileManager().dbLookupSuccessful(_peer, timeToReply);
        } catch (UnsupportedCryptoException iae) {
            // don't blame the peer
            getContext().profileManager().dbLookupSuccessful(_peer, timeToReply);
            _state.abort();
        // searchNext() will call fail()
        } catch (IllegalArgumentException iae) {
            if (_log.shouldLog(Log.WARN))
                _log.warn("Peer " + _peer + " sent us invalid data: ", iae);
            // blame the peer
            getContext().profileManager().dbLookupReply(_peer, 0, 0, 1, 0, timeToReply);
        }
    } else if (message instanceof DatabaseSearchReplyMessage) {
        _job.replyFound((DatabaseSearchReplyMessage) message, _peer);
    } else {
        if (_log.shouldLog(Log.ERROR))
            _log.error(getJobId() + ": What?! Reply job matched a strange message: " + message);
        return;
    }
    _job.searchNext();
}