Examples with SessionId net.i2p.data.i2cp.SessionId used on opensource projects

Example 11 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class LocalClientMessageEventListener method handleHostLookup.

/**
 *  Look only in current local dests
 */
@Override
protected void handleHostLookup(HostLookupMessage message) {
    Hash h = message.getHash();
    String name = message.getHostname();
    long reqID = message.getReqID();
    SessionId sessID = message.getSessionId();
    if (h == null && name != null && name.length() == 60) {
        // convert a b32 lookup to a hash lookup
        String nlc = name.toLowerCase(Locale.US);
        if (nlc.endsWith(".b32.i2p")) {
            byte[] b = Base32.decode(nlc.substring(0, 52));
            if (b != null && b.length == Hash.HASH_LENGTH) {
                h = Hash.create(b);
            }
        }
    }
    Destination d = null;
    if (h != null)
        d = ((LocalClientConnectionRunner) _runner).localLookup(h);
    HostReplyMessage msg;
    if (d != null)
        msg = new HostReplyMessage(sessID, d, reqID);
    else
        msg = new HostReplyMessage(sessID, HostReplyMessage.RESULT_FAILURE, reqID);
    try {
        _runner.doSend(msg);
    } catch (I2CPMessageException ime) {
        ime.printStackTrace();
    }
}

Example 12 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class I2CPMessageProducer method updateTunnels.

/**
 * Update number of tunnels
 *
 * @param tunnels 0 for original configured number
 */
public void updateTunnels(I2PSessionImpl session, int tunnels) throws I2PSessionException {
    ReconfigureSessionMessage msg = new ReconfigureSessionMessage();
    SessionConfig cfg = new SessionConfig(session.getMyDestination());
    Properties props = session.getOptions();
    if (tunnels > 0) {
        Properties newprops = new Properties();
        newprops.putAll(props);
        props = newprops;
        props.setProperty("inbound.quantity", "" + tunnels);
        props.setProperty("outbound.quantity", "" + tunnels);
        props.setProperty("inbound.backupQuantity", "0");
        props.setProperty("outbound.backupQuantity", "0");
    }
    cfg.setOptions(props);
    try {
        cfg.signSessionConfig(session.getPrivateKey());
    } catch (DataFormatException dfe) {
        throw new I2PSessionException("Unable to sign the session config", dfe);
    }
    msg.setSessionConfig(cfg);
    SessionId sid = session.getSessionId();
    if (sid == null) {
        _log.error(session.toString() + " update config w/o session", new Exception());
        return;
    }
    msg.setSessionId(sid);
    session.sendMessage(msg);
}

Example 13 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class I2CPMessageProducer method sendMessage.

/**
 * Package up and send the payload to the router for delivery
 *
 * @param nonce 0 to 0xffffffff; if 0, the router will not reply with a MessageStatusMessage
 * @since 0.8.4
 */
public void sendMessage(I2PSessionImpl session, Destination dest, long nonce, byte[] payload, long expires, int flags) throws I2PSessionException {
    if (!updateBps(payload.length, expires))
        // drop the message... send fail notification?
        return;
    SendMessageMessage msg;
    if (expires > 0 || flags > 0) {
        SendMessageExpiresMessage smsg = new SendMessageExpiresMessage();
        smsg.setExpiration(expires);
        smsg.setFlags(flags);
        msg = smsg;
    } else
        msg = new SendMessageMessage();
    msg.setDestination(dest);
    SessionId sid = session.getSessionId();
    if (sid == null) {
        _log.error(session.toString() + " send message w/o session", new Exception());
        return;
    }
    msg.setSessionId(sid);
    msg.setNonce(nonce);
    Payload data = createPayload(dest, payload, null, null, null, null);
    msg.setPayload(data);
    session.sendMessage(msg);
}

Example 14 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class I2PSessionImpl method getPrefix.

/**
 * try hard to make a decent identifier as this will appear in error logs
 */
protected String getPrefix() {
    StringBuilder buf = new StringBuilder();
    buf.append('[');
    buf.append(_state.toString()).append(' ');
    String s = _options.getProperty("inbound.nickname");
    if (s != null)
        buf.append(s);
    else
        buf.append(getClass().getSimpleName());
    SessionId id = _sessionId;
    if (id != null)
        buf.append(" #").append(id.getSessionId());
    buf.append("]: ");
    return buf.toString();
}

Example 15 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class I2PSessionImpl method lookupDest.

/**
 *  Ask the router to lookup a Destination by host name.
 *  Blocking. See above for details.
 *  @param maxWait ms
 *  @since 0.9.11
 *  @return null on failure
 */
public Destination lookupDest(String name, long maxWait) throws I2PSessionException {
    if (name.length() == 0)
        return null;
    // Shortcut for b64
    if (name.length() >= 516) {
        try {
            return new Destination(name);
        } catch (DataFormatException dfe) {
            return null;
        }
    }
    // won't fit in Mapping
    if (name.length() >= 256 && !_context.isRouterContext())
        return null;
    synchronized (_lookupCache) {
        Destination rv = _lookupCache.get(name);
        if (rv != null)
            return rv;
    }
    if (isClosed()) {
        if (_log.shouldLog(Log.INFO))
            _log.info("Session closed, cannot lookup " + name);
        return null;
    }
    if (!_routerSupportsHostLookup) {
        // do them a favor and convert to Hash lookup
        if (name.length() == 60 && name.toLowerCase(Locale.US).endsWith(".b32.i2p"))
            return lookupDest(Hash.create(Base32.decode(name.toLowerCase(Locale.US).substring(0, 52))), maxWait);
        // else unsupported
        if (_log.shouldLog(Log.WARN))
            _log.warn("Router does not support HostLookup for " + name);
        return null;
    }
    int nonce = _lookupID.incrementAndGet() & 0x7fffffff;
    LookupWaiter waiter = new LookupWaiter(name, nonce);
    _pendingLookups.offer(waiter);
    Destination rv = null;
    try {
        if (_log.shouldLog(Log.INFO))
            _log.info("Sending HostLookup for " + name);
        SessionId id = _sessionId;
        if (id == null)
            id = new SessionId(65535);
        sendMessage_unchecked(new HostLookupMessage(id, name, nonce, maxWait));
        try {
            synchronized (waiter) {
                waiter.wait(maxWait);
                rv = waiter.destination;
            }
        } catch (InterruptedException ie) {
            throw new I2PSessionException("Interrupted", ie);
        }
    } finally {
        _pendingLookups.remove(waiter);
    }
    return rv;
}