Package com.linkedin.databus2.core.container.monitoring.mbean

Examples of com.linkedin.databus2.core.container.monitoring.mbean.HttpStatisticsCollector


        HashMap<Long, List<RegisterResponseEntry>> schemaMap =
                new HashMap<Long, List<RegisterResponseEntry>>();

        short srcId=1;
        List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
        l1.add(new RegisterResponseEntry(1L, srcId,SOURCE1_SCHEMA_STR));

        schemaMap.put(1L, l1);

        Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
        List<String> sources = new ArrayList<String>();
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      HashMap<Long, List<RegisterResponseEntry>> schemaMap =
              new HashMap<Long, List<RegisterResponseEntry>>();

      short srcId=1;
      List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
      l1.add(new RegisterResponseEntry(1L, srcId,SOURCE1_SCHEMA_STR));

      schemaMap.put(1L, l1);

      Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
      List<String> sources = new ArrayList<String>();
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      List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
      List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
      List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();

      l1.add(new RegisterResponseEntry(1L, (short)1,SOURCE1_SCHEMA_STR));
      l2.add(new RegisterResponseEntry(2L, (short)1,SOURCE2_SCHEMA_STR));
      l3.add(new RegisterResponseEntry(3L, (short)1,SOURCE3_SCHEMA_STR));

      schemaMap.put(1L, l1);
      schemaMap.put(2L, l2);
      schemaMap.put(3L, l3);
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      List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
      List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
      List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();

      l1.add(new RegisterResponseEntry(1L, (short)1,SOURCE1_SCHEMA_STR));
      l2.add(new RegisterResponseEntry(2L, (short)1,SOURCE2_SCHEMA_STR));
      l3.add(new RegisterResponseEntry(3L, (short)1,SOURCE3_SCHEMA_STR));

      schemaMap.put(1L, l1);
      schemaMap.put(2L, l2);
      schemaMap.put(3L, l3);
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        //add meta data schema
        byte[] crc32 = {0x01,0x02,0x03,0x04};

        List<RegisterResponseMetadataEntry> lMeta = new ArrayList<RegisterResponseMetadataEntry>();
        lMeta.add(new RegisterResponseMetadataEntry((short) 1 , META1_SCHEMA_STR,crc32));
        lMeta.add(new RegisterResponseMetadataEntry((short) 2 , META2_SCHEMA_STR,crc32));


        dispatcher.enqueueMessage(SourcesMessage.createSetSourcesIdsMessage(sourcesMap.values()));
        dispatcher.enqueueMessage(SourcesMessage.createSetSourcesSchemasMessage(schemaMap,lMeta));
        eventsBuf.startEvents();
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   * @param opcode          the TCP command opcode
   * @return the execution handler or null if no such command has been registered.
   */
  public SimpleChannelHandler createExecHandler(byte opcode, Channel channel)
  {
    RequestExecutionHandlerFactory factory = _tcpExecHandlers.get(opcode);
    return (null != factory) ? factory.createHandler(channel) : null;
  }
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   * @param name
   * @return the execution handler or null if no such command has been registered.
   */
  public SimpleChannelHandler createExecHandler(String name, Channel channel)
  {
    RequestExecutionHandlerFactory factory = _httpExecHandlers.get(name);
    return (null != factory) ? factory.createHandler(channel) : null;
  }
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  throws IOException, RequestProcessingException
  {
    Set<String> sources = getSourcesParam(request);
    if(sources == null || sources.size() != 1)
    {
      throw new RequestProcessingException("start requires exactly one source be specified");
    }
    long scn = request.getOptionalLongParam(PARAM_SCN, -1L);

    for(EventProducer producer : _eventProducers)
    {
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        if (null != bootstrapStatsCollector)
        {
          bootstrapStatsCollector.registerErrBootstrap();
        }

        throw new RequestProcessingException(e);
      }

      DatabusComponentStatus componentStatus = _componentStatus.getStatusSnapshot();
      if (!componentStatus.isRunningStatus())
      {
        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerErrBootstrap();

       throw new RequestProcessingException(componentStatus.getMessage());
      }

      String partitionInfoString = request.getParams().getProperty(PARTITION_INFO_PARAM);

      DbusKeyFilter keyFilter = null;
      if ( (null != partitionInfoString) && (!partitionInfoString.isEmpty()))
      {
        try
        {
          keyFilter = KeyFilterConfigJSONFactory.parseDbusKeyFilter(partitionInfoString);
          if ( isDebug) LOG.debug("ServerSideFilter is :" + keyFilter);
        } catch ( Exception ex) {
          String msg = "Unable to parse partitionInfo from request. PartitionInfo was :" + partitionInfoString;
          LOG.error(msg,ex);
          throw new RequestProcessingException(msg,ex);
        }
      }

      String outputFormat = request.getParams().getProperty(OUTPUT_PARAM);
      Encoding enc = Encoding.BINARY;

      if ( null != outputFormat)
      {
        try
        {
          enc = Encoding.valueOf(outputFormat.toUpperCase());
        } catch (Exception ex) {
          LOG.error("Unable to find the output format for bootstrap request for " + outputFormat + ". Using Binary!!", ex);
        }
      }

      processor.setKeyFilter(keyFilter);
      String checkpointString = request.getRequiredStringParam(CHECKPOINT_PARAM);

      int bufferMarginSpace = DEFAULT_BUFFER_MARGIN_SPACE;
      if ( null != _serverHostPort)
      {
        bufferMarginSpace = Math.max(bufferMarginSpace, (_serverHostPort.length() + Checkpoint.BOOTSTRAP_SERVER_INFO.length() + DEFAULT_JSON_OVERHEAD_BYTES));
      }

      int clientFreeBufferSize = request.getRequiredIntParam(BATCHSIZE_PARAM) - checkpointString.length() - bufferMarginSpace;

        BootstrapEventWriter writer = null;
        if(_config.getPredicatePushDown())
          writer = createEventWriter(request, clientFreeBufferSize, null, enc);
        else
          writer = createEventWriter(request, clientFreeBufferSize, keyFilter, enc);

        Checkpoint cp = new Checkpoint(checkpointString);


      DbusClientMode consumptionMode = cp.getConsumptionMode();

      LOG.info("Bootstrap request received: " +
          "fetchSize=" + clientFreeBufferSize +
          ", consumptionMode=" + consumptionMode +
          ", checkpoint=" + checkpointString +
          ", predicatePushDown=" + _config.getPredicatePushDown()
          );

      try
      {
        boolean phaseCompleted = false;
        switch (consumptionMode)
        {
        case BOOTSTRAP_SNAPSHOT:
          phaseCompleted = processor.streamSnapShotRows(new Checkpoint(
              checkpointString), writer);
          break;
        case BOOTSTRAP_CATCHUP:
          phaseCompleted = processor.streamCatchupRows(new Checkpoint(
              checkpointString), writer);
          break;
        default:
          if (null != bootstrapStatsCollector)
            bootstrapStatsCollector.registerErrBootstrap();

          throw new RequestProcessingException("Unexpected mode: "
              + consumptionMode);
        }

        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerBootStrapReq(cp, System.currentTimeMillis()-startTime, clientFreeBufferSize);

        if (writer.getNumRowsWritten() == 0 && writer.getSizeOfPendingEvent() > 0)
        {
          // Append a header to indicate to the client that we do have at least one event to
          // send, but it is too large to fit into client's offered buffer.
          request.getResponseContent().addMetadata(DatabusHttpHeaders.DATABUS_PENDING_EVENT_SIZE,
                                                   writer.getSizeOfPendingEvent());
          if (isDebug)
          {
            LOG.debug("Returning 0 events but have pending event of size " + writer.getSizeOfPendingEvent());
          }
        }
        if (phaseCompleted)
        {
          request.getResponseContent().setMetadata(BootstrapProcessor.PHASE_COMPLETED_HEADER_NAME, BootstrapProcessor.PHASE_COMPLETED_HEADER_TRUE);
        }

      }
      catch (BootstrapDatabaseTooOldException e)
      {
        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerErrDatabaseTooOld();

        LOG.error("Bootstrap database is too old!", e);
        throw new RequestProcessingException(e);
      }
      catch (BootstrapDBException e)
      {
        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerErrBootstrap();
        throw new RequestProcessingException(e);
      }
      catch (SQLException e)
      {
        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerErrSqlException();

        throw new RequestProcessingException(e);
      }
      catch (BootstrapProcessingException e)
      {
        if (null != bootstrapStatsCollector)
          bootstrapStatsCollector.registerErrBootstrap();

        throw new RequestProcessingException(e);
      }
    }
    finally
    {
      if ( null != processor)
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            if ((null != expServerInfo) && (! _serverInfo.equals(expServerInfo)))
            {
              String msg = "Bootstrap Server Request should be served by different host : " + bsServerInfo + ", This instance is :" + _serverHostPort;
              LOG.error(msg);
              throw new RequestProcessingException(msg);
            }
          }
        }

        DatabusRequest req = doProcess(request);
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