Package org.apache.zookeeper.server.quorum

Examples of org.apache.zookeeper.server.quorum.QuorumCnxManager$Message

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          }

          for( ;; )
          {
              ByteBuffer buf = ByteBuffer.allocate( 8192 );
              Message m = ( Message ) message;
              try
              {
                  if( m.write( buf.buf() ) )
                  {
                      break;
                  }
              }
              finally
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    }

  public void decode(IoSession session, ByteBuffer in, org.apache.mina.filter.codec.ProtocolDecoderOutput out) throws Exception {
         put( in );

          Message m = readingMessage;
          try
          {
              for( ;; )
              {
                  readBuf.flip();
                  if( m == null )
                  {
                      int limit = readBuf.limit();
                      boolean failed = true;
                      try
                      {
                          m = recognizer.recognize( readBuf );
                          failed = false;
                      }
                      finally
                      {
                          if( failed )
                          {
                              // clear the read buffer if failed to recognize
                              readBuf.clear();
                              break;
                          }
                          else
                          {
                              if( m == null )
                              {
                                  readBuf.limit( readBuf.capacity() );
                                  readBuf.position( limit );
                                  break; // finish decoding
                              }
                              else
                              {
                                  // reset buffer for read
                                  readBuf.limit( limit );
                                  readBuf.position( 0 );
                              }
                          }
                      }
                  }

                  if( m != null )
                  {
                      try
                      {
                        //System.err.println("NETTY trying to decode : "+m);
                          if( m.read( readBuf ) )
                          {
                              out.write( m );
                              m = null;
                          } else {
                            break;
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    public void decode(IoSession session, ByteBuffer in,
            ProtocolDecoderOutput out) throws Exception {
        put(in);

        Message m = readingMessage;
        try {
            for (;;) {
                readBuf.flip();
                if (m == null) {
                    int limit = readBuf.limit();
                    boolean failed = true;
                    try {
                        m = recognizer.recognize(readBuf);
                        failed = false;
                    } finally {
                        if (failed) {
                            // clear the read buffer if failed to recognize
                            readBuf.clear();
                            break;
                        } else {
                            if (m == null) {
                                readBuf.limit(readBuf.capacity());
                                readBuf.position(limit);
                                break; // finish decoding
                            } else {
                                // reset buffer for read
                                readBuf.limit(limit);
                                readBuf.position(0);
                            }
                        }
                    }
                }

                if (m != null) {
                    try {
                        if (m.read(readBuf)) {
                            out.write(m);
                            m = null;
                        } else {
                            break;
                        }
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                    "This encoder can decode only Netty Messages.");
        }

        for (;;) {
            ByteBuffer buf = ByteBuffer.allocate(8192);
            Message m = (Message) message;
            try {
                if (m.write(buf.buf())) {
                    break;
                }
            } finally {
                buf.flip();
                if (buf.hasRemaining()) {
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                    "This encoder can decode only Netty Messages.");
        }

        for (;;) {
            IoBuffer buf = IoBuffer.allocate(8192);
            Message m = (Message) message;
            try {
                if (m.write(buf.buf())) {
                    break;
                }
            } finally {
                buf.flip();
                if (buf.hasRemaining()) {
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    public void decode(IoSession session, IoBuffer in,
            ProtocolDecoderOutput out) throws Exception {
        put(in);

        Message m = readingMessage;
        try {
            for (;;) {
                readBuf.flip();
                if (m == null) {
                    int limit = readBuf.limit();
                    boolean failed = true;
                    try {
                        m = recognizer.recognize(readBuf);
                        failed = false;
                    } finally {
                        if (failed) {
                            // clear the read buffer if failed to recognize
                            readBuf.clear();
                            break;
                        } else {
                            if (m == null) {
                                readBuf.limit(readBuf.capacity());
                                readBuf.position(limit);
                                break; // finish decoding
                            } else {
                                // reset buffer for read
                                readBuf.limit(limit);
                                readBuf.position(0);
                            }
                        }
                    }
                }

                if (m != null) {
                    try {
                        if (m.read(readBuf)) {
                            out.write(m);
                            m = null;
                        } else {
                            break;
                        }
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        CnxManagerThread thread = new CnxManagerThread();
       
        thread.start();
       
        QuorumPeer peer = new QuorumPeer(peers, tmpdir[1], tmpdir[1], port[1], 3, 1, 2, 2, 2);
        QuorumCnxManager cnxManager = new QuorumCnxManager(peer);
        QuorumCnxManager.Listener listener = cnxManager.listener;
        if(listener != null){
            listener.start();
        } else {
            LOG.error("Null listener when initializing cnx manager");
        }
           
        cnxManager.toSend(new Long(0), createMsg(ServerState.LOOKING.ordinal(), 1, -1, 1));
       
        Message m = null;
        int numRetries = 1;
        while((m == null) && (numRetries++ <= THRESHOLD)){
            m = cnxManager.recvQueue.poll(3000, TimeUnit.MILLISECONDS);
            if(m == null) cnxManager.connectAll();
        }
       
        assertTrue("Exceeded number of retries", numRetries <= THRESHOLD);

        thread.join(5000);
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                        new InetSocketAddress(deadAddress, PortAssignment.unique())));
        tmpdir[2] = ClientBase.createTmpDir();
        port[2] = deadPort;
   
        QuorumPeer peer = new QuorumPeer(peers, tmpdir[1], tmpdir[1], port[1], 3, 1, 2, 2, 2);
        QuorumCnxManager cnxManager = new QuorumCnxManager(peer);
        QuorumCnxManager.Listener listener = cnxManager.listener;
        if(listener != null){
            listener.start();
        } else {
            LOG.error("Null listener when initializing cnx manager");
        }

        long begin = System.currentTimeMillis();
        cnxManager.toSend(new Long(2), createMsg(ServerState.LOOKING.ordinal(), 1, -1, 1));
        long end = System.currentTimeMillis();
   
        if((end - begin) > 6000) fail("Waited more than necessary");
   
    }
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     * @throws Exception
     */
    @Test
    public void testCnxManagerSpinLock() throws Exception {              
        QuorumPeer peer = new QuorumPeer(peers, tmpdir[1], tmpdir[1], port[1], 3, 1, 2, 2, 2);
        QuorumCnxManager cnxManager = new QuorumCnxManager(peer);
        QuorumCnxManager.Listener listener = cnxManager.listener;
        if(listener != null){
            listener.start();
        } else {
            LOG.error("Null listener when initializing cnx manager");
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        }
       
        public void run(){
            try {
                QuorumPeer peer = new QuorumPeer(peers, tmpdir[0], tmpdir[0], port[0], 3, 0, 2, 2, 2);
                QuorumCnxManager cnxManager = new QuorumCnxManager(peer);
                QuorumCnxManager.Listener listener = cnxManager.listener;
                if(listener != null){
                    listener.start();
                } else {
                    LOG.error("Null listener when initializing cnx manager");
                }
               
                long sid = 1;
                cnxManager.toSend(sid, createMsg(ServerState.LOOKING.ordinal(), 0, -1, 1));
               
                Message m = null;
                int numRetries = 1;
                while((m == null) && (numRetries++ <= THRESHOLD)){
                    m = cnxManager.recvQueue.poll(3000, TimeUnit.MILLISECONDS);
                    if(m == null) cnxManager.connectAll();
                }
               
                if(numRetries > THRESHOLD){
                    failed = true;
                    return;
                }
               
                cnxManager.testInitiateConnection(sid);
           
                m = cnxManager.recvQueue.poll(3000, TimeUnit.MILLISECONDS);
                if(m == null){
                    failed = true;
                    return;
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