Package org.jgroups.util

Examples of org.jgroups.util.Buffer

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        _testMessage(new Message(null, Util.createRandomAddress(), null));
        _testMessage(new Message(null, Util.createRandomAddress(), "bela"));
    }

    private static void _testMessage(Message msg) throws Exception {
        Buffer buf=Util.messageToByteBuffer(msg);
        Message msg2=Util.byteBufferToMessage(buf.getBuf(), buf.getOffset(), buf.getLength());
        Assert.assertEquals(msg.getSrc(), msg2.getSrc());
        Assert.assertEquals(msg.getDest(), msg2.getDest());
        Assert.assertEquals(msg.getLength(), msg2.getLength());
    }
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            Message m=new Message(new IpAddress(addr, 5555), new IpAddress(addr, 6666), new byte[1000]);
            if(add_headers)
                addHeaders(m);

            ExposedByteArrayOutputStream msg_data=new ExposedByteArrayOutputStream();
            Buffer jgbuf;

            if(use_streamable) {
                DataOutputStream dos=new DataOutputStream(msg_data);
                m.writeTo(dos);
                dos.close();
            }
            else {
                ObjectOutputStream msg_out=use_magic? new MagicObjectOutputStream(msg_data) : new ObjectOutputStream(msg_data);
                m.writeExternal(msg_out);
                // msg_out.writeObject(m);
                msg_out.close();
            }

            jgbuf=new Buffer(msg_data.getRawBuffer(), 0, msg_data.size());

            ByteArrayInputStream msg_in_data=new ByteArrayInputStream(jgbuf.getBuf(), jgbuf.getOffset(), jgbuf.getLength());
            Message m2=(Message)Message.class.newInstance();

            if(use_streamable) {
                DataInputStream dis=new DataInputStream(msg_in_data);
                m2.readFrom(dis);
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            }
            help();
            return;
        }

        Buffer buf;
        LinkedList list=new LinkedList();
        ClassConfigurator.getInstance(true);
        long start=System.currentTimeMillis();
        long stop;
        for(int i=0; i < num; i++) {
            Message m=new Message(new IpAddress(addr, 5555), new IpAddress(addr, 6666), new byte[256]);
            if(add_headers)
                addHeaders(m);
            list.add(m);
        }

        start=System.currentTimeMillis();
        buf=Util.msgListToByteBuffer(list);
        stop=System.currentTimeMillis();
        System.out.println("Marshalling a message list of " + list.size() + " elements took " + (stop - start) + "ms.");

        start=System.currentTimeMillis();
        LinkedList list2=Util.byteBufferToMessageList(buf.getBuf(), buf.getOffset(), buf.getLength());
        stop=System.currentTimeMillis();
        System.out.println("Unmarshalling a message list of " + list2.size() + " elements took " + (stop - start) + "ms.");
    }
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        output=new ExposedByteArrayOutputStream(65000);
        out=new ObjectOutputStream(output);
        my_list.writeExternal(out);
        out.close();
        stop=System.currentTimeMillis();
        buf=new Buffer(output.getRawBuffer(), 0, output.size());
        System.out.println("** serialized buffer size=" + buf.getLength() + " bytes");
        retval.add(new Integer(buf.getLength()));

        total=stop-start;
        retval.add(new Long(total));
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            tmp.writeTo(dos);
        }

        dos.close();
        stop=System.currentTimeMillis();
        buf=new Buffer(output.getRawBuffer(), 0, output.size());
        System.out.println("** marshalled buffer size=" + buf.getLength() + " bytes");
        retval.add(new Integer(buf.getLength()));

        total=stop-start;
        retval.add(new Long(total));
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         this.filter = filter;
         this.supportReplay = supportReplay;
      }

      public RspList call() throws Exception {
         Buffer buf;
         try {
            buf = req_marshaller.objectToBuffer(command);
         }
         catch (Exception e) {
            throw new RuntimeException("Failure to marshal argument(s)", e);
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        receiver=null;
        super.stop();
    }

    void sendMcastDiscoveryRequest(Message msg) {
        Buffer           buf;
        DatagramPacket   packet;
        DataOutputStream out=null;

        try {
            if(msg.getSrc() == null)
                msg.setSrc(local_addr);
            out_stream.reset();
            out=new DataOutputStream(out_stream);
            msg.writeTo(out);
            out.flush(); // flushes contents to out_stream
            buf=new Buffer(out_stream.getRawBuffer(), 0, out_stream.size());
            packet=new DatagramPacket(buf.getBuf(), buf.getOffset(), buf.getLength(), mcast_addr, mcast_port);
            mcast_sock.send(packet);
        }
        catch(IOException ex) {
            log.error("failed sending discovery request", ex);
        }
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            return buf == null? null : marshaller.objectFromByteBuffer(buf);
        }

        public Buffer objectToBuffer(Object obj) throws Exception {
            byte[] buf=marshaller.objectToByteBuffer(obj);
            return new Buffer(buf, 0, buf.length);
        }
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   }

   @Override
   public BackupResponse backupRemotely(Collection<XSiteBackup> backups, ReplicableCommand rpcCommand) throws Exception {
      log.tracef("About to send to backups %s, command %s", backups, rpcCommand);
      Buffer buf = CommandAwareRpcDispatcher.marshallCall(dispatcher.getMarshaller(), rpcCommand);
      Map<XSiteBackup, Future<Object>> syncBackupCalls = new HashMap<XSiteBackup, Future<Object>>(backups.size());
      for (XSiteBackup xsb : backups) {
         SiteMaster recipient = new SiteMaster(xsb.getSiteName());
         if (xsb.isSync()) {
            RequestOptions sync = new RequestOptions(org.jgroups.blocks.ResponseMode.GET_ALL, xsb.getTimeout());
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      if (recipient != null) msg.setDest(recipient);
      return msg;
   }

   static Buffer marshallCall(Marshaller marshaller, ReplicableCommand command) {
      Buffer buf;
      try {
         buf = marshaller.objectToBuffer(command);
      } catch (Exception e) {
         throw new RuntimeException("Failure to marshal argument(s)", e);
      }
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Related Classes of org.jgroups.util.Buffer

  • org.infinispan.remoting.AsynchronousInvocationTest
  • org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher
  • org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher$ReplicationTask
  • org.infinispan.remoting.transport.jgroups.JGroupsTransport
  • org.infinispan.remoting.transport.jgroups.MarshallerAdapter
  • org.infinispan.stats.wrappers.ExtendedStatisticRpcManager
  • org.jboss.as.clustering.CoreGroupCommunicationService$RequestMarshallerImpl
  • org.jboss.as.clustering.CoreGroupCommunicationService$ResponseMarshallerImpl
  • org.jboss.as.clustering.impl.CoreGroupCommunicationService$RequestMarshallerImpl
  • org.jboss.as.clustering.impl.CoreGroupCommunicationService$ResponseMarshallerImpl
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