Package org.apache.zookeeper.proto

Examples of org.apache.zookeeper.proto.ReplyHeader

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        GetChildrenResponse response = new GetChildrenResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ChildWatchRegistration(watcher, path);
        }
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, path,
                        ctx, wcb);
    }
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.sync);
        SyncRequest request = new SyncRequest();
        SyncResponse response = new SyncResponse();
        request.setPath(path);
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, path, ctx,
                null);
    }
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    }

    public ReplyHeader submitRequest(RequestHeader h, Record request,
            Record response, WatchRegistration watchRegistration)
            throws InterruptedException {
        ReplyHeader r = new ReplyHeader();
        Packet packet = queuePacket(h, r, request, response, null, null, null,
                    watchRegistration);
        synchronized (packet) {
            while (!packet.finished) {
                packet.wait();
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    }

    public ReplyHeader submitRequest(RequestHeader h, Record request,
            Record response, WatchRegistration watchRegistration)
            throws InterruptedException {
        ReplyHeader r = new ReplyHeader();
        Packet packet = queuePacket(h, r, request, response, null, null, null,
                    null, watchRegistration);
        synchronized (packet) {
            while (!packet.finished) {
                packet.wait();
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        void readResponse() throws IOException {
            ByteBufferInputStream bbis = new ByteBufferInputStream(
                    incomingBuffer);
            BinaryInputArchive bbia = BinaryInputArchive.getArchive(bbis);
            ReplyHeader replyHdr = new ReplyHeader();

            replyHdr.deserialize(bbia, "header");
            if (replyHdr.getXid() == -2) {
                // -2 is the xid for pings
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got ping response for sessionid: 0x"
                            + Long.toHexString(sessionId)
                            + " after "
                            + ((System.nanoTime() - lastPingSentNs) / 1000000)
                            + "ms");
                }
                return;
            }
            if (replyHdr.getXid() == -4) {
               // -4 is the xid for AuthPacket              
                if(replyHdr.getErr() == KeeperException.Code.AUTHFAILED.intValue()) {
                    zooKeeper.state = States.AUTH_FAILED;                   
                    eventThread.queueEvent( new WatchedEvent(Watcher.Event.EventType.None,
                            Watcher.Event.KeeperState.AuthFailed, null) );                               
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got auth sessionid:0x"
                            + Long.toHexString(sessionId));
                }
                return;
            }
            if (replyHdr.getXid() == -1) {
                // -1 means notification
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got notification sessionid:0x"
                        + Long.toHexString(sessionId));
                }
                WatcherEvent event = new WatcherEvent();
                event.deserialize(bbia, "response");

                // convert from a server path to a client path
                if (chrootPath != null) {
                    String serverPath = event.getPath();
                    if(serverPath.compareTo(chrootPath)==0)
                        event.setPath("/");
                    else
                        event.setPath(serverPath.substring(chrootPath.length()));
                }

                WatchedEvent we = new WatchedEvent(event);
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got " + we + " for sessionid 0x"
                            + Long.toHexString(sessionId));
                }

                eventThread.queueEvent( we );
                return;
            }
            if (pendingQueue.size() == 0) {
                throw new IOException("Nothing in the queue, but got "
                        + replyHdr.getXid());
            }
            Packet packet = null;
            synchronized (pendingQueue) {
                packet = pendingQueue.remove();
            }
            /*
             * Since requests are processed in order, we better get a response
             * to the first request!
             */
            try {
                if (packet.header.getXid() != replyHdr.getXid()) {
                    packet.replyHeader.setErr(
                            KeeperException.Code.CONNECTIONLOSS.intValue());
                    throw new IOException("Xid out of order. Got "
                            + replyHdr.getXid() + " expected "
                            + packet.header.getXid());
                }

                packet.replyHeader.setXid(replyHdr.getXid());
                packet.replyHeader.setErr(replyHdr.getErr());
                packet.replyHeader.setZxid(replyHdr.getZxid());
                if (replyHdr.getZxid() > 0) {
                    lastZxid = replyHdr.getZxid();
                }
                if (packet.response != null && replyHdr.getErr() == 0) {
                    packet.response.deserialize(bbia, "response");
                }

                if (LOG.isDebugEnabled()) {
                    LOG.debug("Reading reply sessionid:0x"
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                            zooKeeper.getExistWatches(),
                            zooKeeper.getChildWatches());
                    RequestHeader h = new RequestHeader();
                    h.setType(ZooDefs.OpCode.setWatches);
                    h.setXid(-8);
                    Packet packet = new Packet(h, new ReplyHeader(), sw, null, null,
                                null);
                    outgoingQueue.addFirst(packet);
                }

                for (AuthData id : authInfo) {
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                            + ProviderRegistry.listProviders());
                } else {
                    LOG.warn("Authentication failed for scheme: " + scheme);
                }
                // send a response...
                ReplyHeader rh = new ReplyHeader(h.getXid(), 0,
                        KeeperException.Code.AUTHFAILED.intValue());
                sendResponse(rh, null, null);
                // ... and close connection
                sendCloseSession();
                disableRecv();
            } else {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Authentication succeeded for scheme: "
                              + scheme);
                }
                ReplyHeader rh = new ReplyHeader(h.getXid(), 0,
                        KeeperException.Code.OK.intValue());
                sendResponse(rh, null, null);
            }
            return;
        } else {
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     * (non-Javadoc)
     *
     * @see org.apache.zookeeper.server.ServerCnxnIface#process(org.apache.zookeeper.proto.WatcherEvent)
     */
    synchronized public void process(WatchedEvent event) {
        ReplyHeader h = new ReplyHeader(-1, -1L, 0);
        if (LOG.isTraceEnabled()) {
            ZooTrace.logTraceMessage(LOG, ZooTrace.EVENT_DELIVERY_TRACE_MASK,
                                     "Deliver event " + event + " to 0x"
                                     + Long.toHexString(this.sessionId)
                                     + " through " + this);
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        void readResponse() throws IOException {
            ByteBufferInputStream bbis = new ByteBufferInputStream(
                    incomingBuffer);
            BinaryInputArchive bbia = BinaryInputArchive.getArchive(bbis);
            ReplyHeader replyHdr = new ReplyHeader();

            replyHdr.deserialize(bbia, "header");
            if (replyHdr.getXid() == -2) {
                // -2 is the xid for pings
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got ping response for sessionid: 0x"
                            + Long.toHexString(sessionId)
                            + " after "
                            + ((System.nanoTime() - lastPingSentNs) / 1000000)
                            + "ms");
                }
                return;
            }
            if (replyHdr.getXid() == -4) {
               // -4 is the xid for AuthPacket              
                if(replyHdr.getErr() == KeeperException.Code.AUTHFAILED.intValue()) {
                    zooKeeper.state = States.AUTH_FAILED;                   
                    eventThread.queueEvent( new WatchedEvent(Watcher.Event.EventType.None,
                            Watcher.Event.KeeperState.AuthFailed, null) );                               
                }
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got auth sessionid:0x"
                            + Long.toHexString(sessionId));
                }
                return;
            }
            if (replyHdr.getXid() == -1) {
                // -1 means notification
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got notification sessionid:0x"
                        + Long.toHexString(sessionId));
                }
                WatcherEvent event = new WatcherEvent();
                event.deserialize(bbia, "response");

                // convert from a server path to a client path
                if (chrootPath != null) {
                    String serverPath = event.getPath();
                    if(serverPath.compareTo(chrootPath)==0)
                        event.setPath("/");
                    else
                        event.setPath(serverPath.substring(chrootPath.length()));
                }

                WatchedEvent we = new WatchedEvent(event);
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Got " + we + " for sessionid 0x"
                            + Long.toHexString(sessionId));
                }

                eventThread.queueEvent( we );
                return;
            }
            if (pendingQueue.size() == 0) {
                throw new IOException("Nothing in the queue, but got "
                        + replyHdr.getXid());
            }
            Packet packet = null;
            synchronized (pendingQueue) {
                packet = pendingQueue.remove();
            }
            /*
             * Since requests are processed in order, we better get a response
             * to the first request!
             */
            try {
                if (packet.header.getXid() != replyHdr.getXid()) {
                    packet.replyHeader.setErr(
                            KeeperException.Code.CONNECTIONLOSS.intValue());
                    throw new IOException("Xid out of order. Got "
                            + replyHdr.getXid() + " expected "
                            + packet.header.getXid());
                }

                packet.replyHeader.setXid(replyHdr.getXid());
                packet.replyHeader.setErr(replyHdr.getErr());
                packet.replyHeader.setZxid(replyHdr.getZxid());
                if (replyHdr.getZxid() > 0) {
                    lastZxid = replyHdr.getZxid();
                }
                if (packet.response != null && replyHdr.getErr() == 0) {
                    packet.response.deserialize(bbia, "response");
                }

                if (LOG.isDebugEnabled()) {
                    LOG.debug("Reading reply sessionid:0x"
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                                prependChroot(existWatches),
                                prependChroot(childWatches));
                        RequestHeader h = new RequestHeader();
                        h.setType(ZooDefs.OpCode.setWatches);
                        h.setXid(-8);
                        Packet packet = new Packet(h, new ReplyHeader(), sw, null, null,
                                null);
                        outgoingQueue.addFirst(packet);
                    }
                }
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Related Classes of org.apache.zookeeper.proto.ReplyHeader

  • org.apache.zookeeper.client.ZooKeeperSaslClient
  • org.apache.zookeeper.ClientCnxn
  • org.apache.zookeeper.ClientCnxn$SendThread
  • org.apache.zookeeper.server.FinalRequestProcessor
  • org.apache.zookeeper.server.NettyServerCnxn
  • org.apache.zookeeper.server.NIOServerCnxn
  • org.apache.zookeeper.server.quorum.ReadOnlyRequestProcessor
  • org.apache.zookeeper.server.quorum.WatchLeakTest
  • org.apache.zookeeper.server.UnimplementedRequestProcessor
  • org.apache.zookeeper.server.ZooKeeperServer
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