Package org.apache.zookeeper.proto

Examples of org.apache.zookeeper.proto.ReplyHeader

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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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        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
                LOG
                    .debug("Got ping sessionid:0x"
                    + Long.toHexString(sessionId));
                return;
            }
            if (replyHdr.getXid() == -4) {
                // -2 is the xid for AuthPacket
                // TODO: process AuthPacket here
                LOG
                    .debug("Got auth sessionid:0x"
                        + Long.toHexString(sessionId));
                return;
            }
            if (replyHdr.getXid() == -1) {
                // -1 means notification
                LOG.debug("Got notification sessionid:0x"
                    + Long.toHexString(sessionId));
                WatcherEvent event = new WatcherEvent();
                event.deserialize(bbia, "response");
                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);
                    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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        request.setPath(path);
        if (acl != null && acl.size() == 0) {
            throw new KeeperException.InvalidACLException();
        }
        request.setAcl(acl);
        ReplyHeader r = cnxn.submitRequest(h, request, response, null);
        if (r.getErr() != 0) {
            throw KeeperException.create(r.getErr(), path);
        }
        return response.getPath();
    }
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    {
        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.create);
        CreateRequest request = new CreateRequest();
        CreateResponse response = new CreateResponse();
        ReplyHeader r = new ReplyHeader();
        request.setData(data);
        request.setFlags(createMode.toFlag());
        request.setPath(path);
        request.setAcl(acl);
        cnxn.queuePacket(h, r, request, response, cb, path, ctx, null);
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.delete);
        DeleteRequest request = new DeleteRequest();
        request.setPath(path);
        request.setVersion(version);
        ReplyHeader r = cnxn.submitRequest(h, request, null, null);
        if (r.getErr() != 0) {
            throw KeeperException.create(r.getErr());
        }
    }
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.delete);
        DeleteRequest request = new DeleteRequest();
        request.setPath(path);
        request.setVersion(version);
        cnxn.queuePacket(h, new ReplyHeader(), request, null, cb, path, ctx, null);
    }
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        SetDataResponse response = new SetDataResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ExistsWatchRegistration(watcher, path);
        }
        ReplyHeader r = cnxn.submitRequest(h, request, response, wcb);
        if (r.getErr() != 0) {
            if (r.getErr() == KeeperException.Code.NoNode) {
                return null;
            }
            throw KeeperException.create(r.getErr());
        }

        return response.getStat().getCzxid() == -1 ? null : response.getStat();
    }
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        SetDataResponse response = new SetDataResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ExistsWatchRegistration(watcher, path);
        }
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, path,
                        ctx, wcb);
    }
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        GetDataResponse response = new GetDataResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new DataWatchRegistration(watcher, path);
        }
        ReplyHeader r = cnxn.submitRequest(h, request, response, wcb);
        if (r.getErr() != 0) {
            throw KeeperException.create(r.getErr());
        }
        if (stat != null) {
            DataTree.copyStat(response.getStat(), stat);
        }
        return response.getData();
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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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