Esempio n. 1
0
        public override bool Equals(object obj)
        {
            ReplyHeader peer = (ReplyHeader)obj;

            if (peer == null)
            {
                return(false);
            }
            if (Object.ReferenceEquals(peer, this))
            {
                return(true);
            }
            bool ret = false;

            ret = (Xid == peer.Xid);
            if (!ret)
            {
                return(ret);
            }
            ret = (Zxid == peer.Zxid);
            if (!ret)
            {
                return(ret);
            }
            ret = (Err == peer.Err);
            if (!ret)
            {
                return(ret);
            }
            return(ret);
        }
Esempio n. 2
0
        public int CompareTo(object obj)
        {
            ReplyHeader peer = (ReplyHeader)obj;

            if (peer == null)
            {
                throw new InvalidOperationException("Comparing different types of records.");
            }
            int ret = 0;

            ret = (Xid == peer.Xid)? 0 :((Xid < peer.Xid)?-1:1);
            if (ret != 0)
            {
                return(ret);
            }
            ret = (Zxid == peer.Zxid)? 0 :((Zxid < peer.Zxid)?-1:1);
            if (ret != 0)
            {
                return(ret);
            }
            ret = (Err == peer.Err)? 0 :((Err < peer.Err)?-1:1);
            if (ret != 0)
            {
                return(ret);
            }
            return(ret);
        }
        private void ReadResponse(byte[] content)
        {
            using (var reader = new EndianBinaryReader(EndianBitConverter.Big, new MemoryStream(content), Encoding.UTF8))
            {
                BinaryInputArchive bbia = BinaryInputArchive.GetArchive(reader);
                ReplyHeader replyHdr = new ReplyHeader();

                replyHdr.Deserialize(bbia, "header");
                if (replyHdr.Xid == -2)
                {
                    // -2 is the xid for pings
            #if !NET_CORE
                    if (LOG.IsDebugEnabled)
                        LOG.DebugFormat("Got ping response for sessionid: 0x{0:X} after {1}ms", conn.SessionId, (DateTime.UtcNow.Nanos() - lastPingSentNs) / 1000000);
            #endif
                    return;
                }
                if (replyHdr.Xid == -4)
                {
                    // -2 is the xid for AuthPacket
                    // TODO: process AuthPacket here
            #if !NET_CORE
                    if (LOG.IsDebugEnabled)
                        LOG.DebugFormat("Got auth sessionid:0x{0:X}", conn.SessionId);
            #endif
                    return;
                }
                if (replyHdr.Xid == -1)
                {
                    // -1 means notification
            #if !NET_CORE
                    if (LOG.IsDebugEnabled)
                        LOG.DebugFormat("Got notification sessionid:0x{0}", conn.SessionId);
            #endif

                    WatcherEvent @event = new WatcherEvent();
                    @event.Deserialize(bbia, "response");

                    // convert from a server path to a client path
                    if (conn.ChrootPath != null)
                    {
                        string serverPath = @event.Path;
                        if (serverPath.CompareTo(conn.ChrootPath) == 0)
                            @event.Path = PathUtils.PathSeparator;
                        else
                            @event.Path = serverPath.Substring(conn.ChrootPath.Length);
                    }

                    WatchedEvent we = new WatchedEvent(@event);
            #if !NET_CORE
                    if (LOG.IsDebugEnabled)
                        LOG.DebugFormat("Got {0} for sessionid 0x{1:X}", we, conn.SessionId);
            #endif

                    conn.consumer.QueueEvent(we);
                    return;
                }
                Packet packet;
                /*
             * Since requests are processed in order, we better get a response
             * to the first request!
             */
                if (pendingQueue.TryDequeue(out packet))
                {
                    try
                    {
                        if (packet.header.Xid != replyHdr.Xid)
                        {
                            packet.replyHeader.Err = (int)KeeperException.Code.CONNECTIONLOSS;
                            throw new Exception(new StringBuilder("Xid out of order. Got ").Append(replyHdr.Xid).Append(" expected ").Append(packet.header.Xid).ToString());
                        }

                        packet.replyHeader.Xid = replyHdr.Xid;
                        packet.replyHeader.Err = replyHdr.Err;
                        packet.replyHeader.Zxid = replyHdr.Zxid;
                        if (replyHdr.Zxid > 0)
                            lastZxid = replyHdr.Zxid;

                        if (packet.response != null && replyHdr.Err == 0)
                            packet.response.Deserialize(bbia, "response");

            #if !NET_CORE
                        if (LOG.IsDebugEnabled)
                            LOG.DebugFormat("Reading reply sessionid:0x{0:X}, packet:: {1}", conn.SessionId, packet);
            #endif
                    }
                    finally
                    {
                        FinishPacket(packet);
                    }
                }
                else
                {
                    throw new Exception(new StringBuilder("Nothing in the queue, but got ").Append(replyHdr.Xid).ToString());
                }
            }
        }
        public Packet QueuePacket(RequestHeader h, ReplyHeader r, IRecord request, IRecord response, string clientPath, string serverPath, ZooKeeper.WatchRegistration watchRegistration)
        {
            if (h.Type != (int)OpCode.Ping && h.Type != (int)OpCode.Auth)
                h.Xid = Xid;

            Packet p = new Packet(h, r, request, response, null, watchRegistration, clientPath, serverPath);

            if (!zooKeeper.State.IsAlive() || closing || Interlocked.CompareExchange(ref isDisposed, 0, 0) == 1)
            {
            #if !NET_CORE
                if (LOG.IsDebugEnabled)
                    LOG.DebugFormat("Connection closing. Sending ConLossPacket. IsAlive: {0}, closing: {1}", zooKeeper.State.IsAlive(), closing);
            #endif
                ConLossPacket(p);
            }
            else
            {
                if (h.Type == (int)OpCode.CloseSession)
                    closing = true;
                // enqueue the packet when zookeeper is connected
                addPacketLast(p);
            }
            return p;
        }