Package com.linkedin.databus2.core.container.request

Examples of com.linkedin.databus2.core.container.request.InvalidRequestParamValueException

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  public DatabusRequest process(DatabusRequest request) throws IOException, RequestProcessingException {

    String command = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);
    if (null == command)
    {
      throw new InvalidRequestParamValueException(COMMAND_NAME, "command", "null");
    }

    String reply = "Command " + command  + " completed ";
    LOG.info("got relayCommand = " + command);
    if(command.equals(SAVE_META_STATE_PARAM)) {
      _relay.saveBufferMetaInfo(true);
    } else if (command.equals(SHUTDOWN_RELAY_PARAM)) {
      String msg = "received shutdown curl request from: " + request.getRemoteAddress() + ". Shutting down\n";
      LOG.warn(msg);
      request.getResponseContent().write(ByteBuffer.wrap(msg.getBytes("UTF-8")));
      request.getResponseContent().close();
      _relay.shutdown();
    } else if (command.equals(VALIDATE_RELAY_BUFFER_PARAM)) {
      _relay.validateRelayBuffers();
    } else if (command.equals(DISCONNECT_CLIENTS)) {
      Channel rspChannel = request.getResponseContent().getRawChannel();
      _relay.disconnectDBusClients(rspChannel);
    } else if (command.equals(RUN_GC_PARAM)) {
      Runtime rt = Runtime.getRuntime();
      long mem = rt.freeMemory();
      LOG.info("mem before gc = " + rt.freeMemory() + " out of " + rt.totalMemory());
      long time = System.currentTimeMillis();
      System.gc();
      time = System.currentTimeMillis() - time;
      mem = rt.freeMemory() - mem;
      reply = new String("GC run. Took " + time + " millsecs. Freed " + mem + " bytes out of " + rt.totalMemory());
    } else if(command.startsWith(RESET_RELAY_BUFFER_PARAM)) {
      // We expect the request to be of the format:
      //   resetRelayBuffer/<dbName>/<partitionId>?prevScn=<long>&binlogOffset=<long>
      String [] resetCommands = command.split("/");
      if(resetCommands.length != 3) {
        throw new InvalidRequestParamValueException(COMMAND_NAME, "command", command);
      }
      String dbName = resetCommands[1];
      String dbPart = resetCommands[2];
      long prevScn = request.getRequiredLongParam(PREV_SCN_PARAM);
      long binlogOffset = request.getOptionalLongParam(BINLOG_OFFSET_PARAM, 0L);
      LOG.info("reset command = " + dbName + " part =" + dbPart);
      try
      {
        _relay.resetBuffer(new PhysicalPartition(Integer.parseInt(dbPart), dbName), prevScn, binlogOffset);
      }
      catch(BufferNotFoundException e)
      {
        reply = new String("command " + command + ":" + e.getMessage());
      }
    } else if(command.startsWith(GET_BINLOG_OFFSET_PARAM)) {
      String[] getOfsArgs = command.split("/");
      if (getOfsArgs.length != 2) {
        throw new InvalidRequestParamValueException(GET_BINLOG_OFFSET_PARAM, "Server ID", "");
      }
      int serverId;
      try
      {
        serverId = Integer.parseInt(getOfsArgs[1]);
        int [] offset  = _relay.getBinlogOffset(serverId);
        if (offset.length != 2) {
          reply = "Error getting binlog offset";
        } else {
          reply = new String("RelayLastEvent(" + offset[0] + "," + offset[1] + ")");
        }
      }
      catch(NumberFormatException e)
      {
        throw new InvalidRequestParamValueException(GET_BINLOG_OFFSET_PARAM, "Server ID", getOfsArgs[1]);
      }
      catch(DatabusException e)
      {
        reply = new String("command " + command + "failed with:" + e.getMessage());
      }
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  {
      String category = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);

      if (null == category)
      {
        throw new InvalidRequestParamValueException(COMMAND_NAME, "category", "null");
      }
     
      if ( category.startsWith(INBOUND_VIEW))
      {
          String sourceIdStr = category.substring(INBOUND_VIEW.length());
          sourceIdStr = sourceIdStr.replace('/', ':');
          PhysicalPartition pPartition = PhysicalPartition.parsePhysicalPartitionString(sourceIdStr, ":");
          processInboundRequest(request,pPartition);
      } else {
        throw new InvalidRequestParamValueException(COMMAND_NAME, "category", category);
      }
     
    return request;
  }
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          if (null != source) sourcesIdList.add(source.asIdNamePair());
          else LOG.error("unable to find source id: " + id);
        }
        catch (NumberFormatException nfe)
        {
          throw new InvalidRequestParamValueException(COMMAND_NAME, SOURCES_NAME_PARAM, sourceIdStr);
        }

      }

      //We have to use the global stats collector because the generation can go beyond the lifespan
      //of the connection
      boolean tryStart = _producer.startGeneration(fromScn, eventsPerSec, durationMs,
                                                   numEventToGenerate, percentOfBufferToGenerate,
                                                   keyMin, keyMax,
                                                   sourcesIdList, _relayStatsCollector);
      StringBuilder resBuilder = new StringBuilder(1024);
      Formatter fmt = new Formatter(resBuilder);
      fmt.format("{\"genDataEventsStarted\":\"%b\"}", tryStart);

      request.getResponseContent().write(ByteBuffer.wrap(resBuilder.toString().getBytes(Charset.defaultCharset())));
    }
    else
    {
      throw new InvalidRequestParamValueException(COMMAND_NAME, "request path", action);
    }

    return request;
  }
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          registerRequestProtocolVersion = Integer.parseInt(registerRequestProtocolVersionStr);
        }
        catch (NumberFormatException e)
        {
          LOG.error("Could not parse /register request protocol version: " + registerRequestProtocolVersionStr);
          throw new InvalidRequestParamValueException(COMMAND_NAME, DatabusHttpHeaders.PROTOCOL_VERSION_PARAM,
                                                      registerRequestProtocolVersionStr);
        }
        if (registerRequestProtocolVersion < 2 || registerRequestProtocolVersion > 4)
        {
          LOG.error("Out-of-range /register request protocol version: " + registerRequestProtocolVersionStr);
          throw new InvalidRequestParamValueException(COMMAND_NAME, DatabusHttpHeaders.PROTOCOL_VERSION_PARAM,
                                                      registerRequestProtocolVersionStr);
        }
      }

      Collection<LogicalSource> logicalSources = null;
      HttpStatisticsCollector relayStatsCollector = _relay.getHttpStatisticsCollector();

      String sources = request.getParams().getProperty(SOURCES_PARAM);
      if (null == sources)
      {
        // need to return all schemas, so first get all sources
        logicalSources = _relay.getSourcesIdNameRegistry().getAllSources();
      }
      else
      {
        String[] sourceIds = sources.split(",");
        logicalSources = new ArrayList<LogicalSource>(sourceIds.length);

        for (String sourceId: sourceIds)
        {
          int srcId;
          String trimmedSourceId = sourceId.trim();
          try
          {
            srcId = Integer.valueOf(trimmedSourceId);
            LogicalSource lsource = _relay.getSourcesIdNameRegistry().getSource(srcId);
            if (null != lsource) logicalSources.add(lsource);
            else
            {
              LOG.error("No source name for source id: " + srcId);
              throw new InvalidRequestParamValueException(COMMAND_NAME, SOURCES_PARAM, sourceId);
            }
          }
          catch (NumberFormatException nfe)
          {
            if (relayStatsCollector != null)
            {
              relayStatsCollector.registerInvalidRegisterCall();
            }
            throw new InvalidRequestParamValueException(COMMAND_NAME, SOURCES_PARAM, sourceId);
          }
        }
      }

      SchemaRegistryService schemaRegistry = _relay.getSchemaRegistryService();
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    String psourceName = null;
    if(category.startsWith(INBOUND_GG_PSOURCE_PREFIX)) {
      psourceName = category.substring(INBOUND_GG_PSOURCE_PREFIX.length());
      if(psourceName == null || psourceName.length() <= 0) {
        throw new InvalidRequestParamValueException(request.getName(), INBOUND_GG_PSOURCE_PREFIX, null);
      }
      LOG.info("get parser stats for source " + psourceName);
    }

    List<String> phSourceNames = new ArrayList<String>();
    EventProducer [] prods = ((DatabusRelayMain)_relay).getProducers();
    GGParserStatistics stat = null;
    for(EventProducer prod : prods) {
      if (prod != null && (prod instanceof GoldenGateEventProducer)) {
        GoldenGateEventProducer ggProducer = (GoldenGateEventProducer)prod;
        String pSrcName = ggProducer.getParserStats().getPhysicalSourceName();
        phSourceNames.add(pSrcName);
        if(psourceName != null && psourceName.equals(pSrcName)) // remember the stats object
          stat = ggProducer.getParserStats();
      }
    }

    if(psourceName != null) {
      if(stat == null)
        throw new InvalidRequestParamValueException(request.getName(), INBOUND_GG_PSOURCE_PREFIX, psourceName);
      writeJsonObjectToResponse(stat, request);
    } else {
      writeJsonObjectToResponse(phSourceNames, request);
    }
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    {
      sourceId = Integer.valueOf(sourceIdStr);
    }
    catch (NumberFormatException nfe)
    {
      throw new InvalidRequestParamValueException(request.getName(), OUTBOUND_HTTP_SOURCE_PREFIX,
                                                  sourceIdStr);
    }

    DbusHttpTotalStats sourceStats = _relay.getHttpStatisticsCollector().getSourceStats(sourceId);
    if (null == sourceStats)
    {
      throw new InvalidRequestParamValueException(request.getName(), OUTBOUND_HTTP_SOURCE_PREFIX,
                                                  sourceIdStr);
    }

    writeJsonObjectToResponse(sourceStats, request);
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    String client = category.substring(OUTBOUND_HTTP_CLIENT_PREFIX.length());

    DbusHttpTotalStats clientStats = _relay.getHttpStatisticsCollector().getPeerStats(client);
    if (null == clientStats)
    {
      throw new InvalidRequestParamValueException(request.getName(), OUTBOUND_HTTP_CLIENT_PREFIX,
                                                  client);
    }

    writeJsonObjectToResponse(clientStats, request);
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      ArrayList<IdNamePair> sourcePairs = new ArrayList<IdNamePair>(sources.size());
      for (LogicalSource source: sources) sourcePairs.add(new IdNamePair(source.getId().longValue(), source.getName()));
      mapper.writeValue(out, sourcePairs);
    }
    else if (2 == protoVersion) mapper.writeValue(out, sources);
    else throw new InvalidRequestParamValueException(COMMAND_NAME, VERSION_PARAM_NAME,
                                                     Integer.toString(protoVersion));


    byte[] resultBytes = out.toString().getBytes(Charset.defaultCharset());
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                              RequestExecutionHandlerFactory execHandlerFactory)
         throws ProcessorRegistrationConflictException
  {
    if (null != opcode)
    {
      if (_binaryParsers.containsKey(opcode)) throw new ProcessorRegistrationConflictException(name);
      _binaryParsers.put(opcode, binaryParserFactory);
      _tcpExecHandlers.put(opcode, execHandlerFactory);
    }

    if (null != name)
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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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