Examples with Message org.apache.cassandra.net.Message used on opensource projects

Example 31 with Message

use of org.apache.cassandra.net.Message in project eiger by wlloyd.

the class MigrationManager method pushMigrations.

private static void pushMigrations(InetAddress endpoint, Collection<IColumn> migrations) {
    try {
        Message msg = makeMigrationMessage(migrations, Gossiper.instance.getVersion(endpoint));
        MessagingService.instance().sendOneWay(msg, endpoint);
    } catch (IOException ex) {
        throw new IOError(ex);
    }
}

Example 32 with Message

use of org.apache.cassandra.net.Message in project eiger by wlloyd.

the class RangeSliceResponseResolver method getData.

public List<Row> getData() throws IOException {
    Message response = responses.iterator().next();
    RangeSliceReply reply = RangeSliceReply.read(response.getMessageBody(), response.getVersion());
    return reply.rows;
}

Example 33 with Message

use of org.apache.cassandra.net.Message in project eiger by wlloyd.

the class RowDigestResolver method resolve.

/*
     * This method handles two different scenarios:
     *
     * a) we're handling the initial read, of data from the closest replica + digests
     *    from the rest.  In this case we check the digests against each other,
     *    throw an exception if there is a mismatch, otherwise return the data row.
     *
     * b) we're checking additional digests that arrived after the minimum to handle
     *    the requested ConsistencyLevel, i.e. asynchronous read repair check
     */
public Row resolve() throws DigestMismatchException, IOException {
    if (logger.isDebugEnabled())
        logger.debug("resolving " + replies.size() + " responses");
    long startTime = System.currentTimeMillis();
    // validate digests against each other; throw immediately on mismatch.
    // also extract the data reply, if any.
    ColumnFamily data = null;
    ByteBuffer digest = null;
    for (Map.Entry<Message, ReadResponse> entry : replies.entrySet()) {
        ReadResponse response = entry.getValue();
        if (response.isDigestQuery()) {
            if (digest == null) {
                digest = response.digest();
            } else {
                ByteBuffer digest2 = response.digest();
                if (!digest.equals(digest2))
                    throw new DigestMismatchException(key, digest, digest2);
            }
        } else {
            data = response.row().cf;
        }
    }
    // that can only happen when we're doing the repair post-mismatch, and will be handled by RowRepairResolver.
    if (digest != null) {
        ByteBuffer digest2 = ColumnFamily.digest(data);
        if (!digest.equals(digest2))
            throw new DigestMismatchException(key, digest, digest2);
        if (logger.isDebugEnabled())
            logger.debug("digests verified");
    }
    if (logger.isDebugEnabled())
        logger.debug("resolve: " + (System.currentTimeMillis() - startTime) + " ms.");
    return new Row(key, data);
}

Example 34 with Message

use of org.apache.cassandra.net.Message in project eiger by wlloyd.

the class Gossiper method makeGossipDigestAck2Message.

Message makeGossipDigestAck2Message(GossipDigestAck2Message gDigestAck2Message, int version) throws IOException {
    FastByteArrayOutputStream bos = new FastByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    GossipDigestAck2Message.serializer().serialize(gDigestAck2Message, dos, version);
    return new Message(FBUtilities.getBroadcastAddress(), StorageService.Verb.GOSSIP_DIGEST_ACK2, bos.toByteArray(), version);
}

Example 35 with Message

use of org.apache.cassandra.net.Message in project eiger by wlloyd.

the class GossipDigestAckVerbHandler method doVerb.

public void doVerb(Message message, String id) {
    InetAddress from = message.getFrom();
    if (logger_.isTraceEnabled())
        logger_.trace("Received a GossipDigestAckMessage from {}", from);
    if (!Gossiper.instance.isEnabled()) {
        if (logger_.isTraceEnabled())
            logger_.trace("Ignoring GossipDigestAckMessage because gossip is disabled");
        return;
    }
    byte[] bytes = message.getMessageBody();
    DataInputStream dis = new DataInputStream(new FastByteArrayInputStream(bytes));
    try {
        GossipDigestAckMessage gDigestAckMessage = GossipDigestAckMessage.serializer().deserialize(dis, message.getVersion());
        List<GossipDigest> gDigestList = gDigestAckMessage.getGossipDigestList();
        Map<InetAddress, EndpointState> epStateMap = gDigestAckMessage.getEndpointStateMap();
        if (epStateMap.size() > 0) {
            /* Notify the Failure Detector */
            Gossiper.instance.notifyFailureDetector(epStateMap);
            Gossiper.instance.applyStateLocally(epStateMap);
        }
        /* Get the state required to send to this gossipee - construct GossipDigestAck2Message */
        Map<InetAddress, EndpointState> deltaEpStateMap = new HashMap<InetAddress, EndpointState>();
        for (GossipDigest gDigest : gDigestList) {
            InetAddress addr = gDigest.getEndpoint();
            EndpointState localEpStatePtr = Gossiper.instance.getStateForVersionBiggerThan(addr, gDigest.getMaxVersion());
            if (localEpStatePtr != null)
                deltaEpStateMap.put(addr, localEpStatePtr);
        }
        GossipDigestAck2Message gDigestAck2 = new GossipDigestAck2Message(deltaEpStateMap);
        Message gDigestAck2Message = Gossiper.instance.makeGossipDigestAck2Message(gDigestAck2, message.getVersion());
        if (logger_.isTraceEnabled())
            logger_.trace("Sending a GossipDigestAck2Message to {}", from);
        MessagingService.instance().sendOneWay(gDigestAck2Message, from);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}