Package com.dianping.cat.consumer.dump

Source Code of com.dianping.cat.consumer.dump.DumpAnalyzer

package com.dianping.cat.consumer.dump;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.codehaus.plexus.logging.LogEnabled;
import org.codehaus.plexus.logging.Logger;
import org.unidal.helper.Threads;
import org.unidal.lookup.annotation.Inject;

import com.dianping.cat.Cat;
import com.dianping.cat.analysis.AbstractMessageAnalyzer;
import com.dianping.cat.message.Transaction;
import com.dianping.cat.message.internal.MessageId;
import com.dianping.cat.message.spi.MessageTree;
import com.dianping.cat.statistic.ServerStatisticManager;
import com.dianping.cat.storage.dump.LocalMessageBucketManager;
import com.dianping.cat.storage.dump.MessageBucketManager;

public class DumpAnalyzer extends AbstractMessageAnalyzer<Object> implements LogEnabled {
  public static final String ID = "dump";

  @Inject(type = MessageBucketManager.class, value = LocalMessageBucketManager.ID)
  private LocalMessageBucketManager m_bucketManager;

  @Inject
  private ServerStatisticManager m_serverStateManager;

  private Map<String, Integer> m_oldVersionDomains = new HashMap<String, Integer>();

  private Map<String, Integer> m_errorTimestampDomains = new HashMap<String, Integer>();

  private Logger m_logger;

  private void checkpointAsyc(final long startTime) {
    Threads.forGroup("cat").start(new Threads.Task() {
      @Override
      public String getName() {
        return "DumpAnalyzer-Checkpoint";
      }

      @Override
      public void run() {
        try {
          m_bucketManager.archive(startTime);
          m_logger.info("Dump analyzer checkpoint is completed!");
        } catch (Exception e) {
          Cat.logError(e);
        }
      }

      @Override
      public void shutdown() {
      }
    });
  }

  @Override
  public void doCheckpoint(boolean atEnd) {
    Transaction t = Cat.newTransaction("Checkpoint", "dump");

    try {
      long startTime = getStartTime();

      checkpointAsyc(startTime);
      m_logger.info("Old version domains:" + m_oldVersionDomains);
      m_logger.info("Error timestamp:" + m_errorTimestampDomains);
      t.setStatus(Transaction.SUCCESS);
    } catch (Exception e) {
      t.setStatus(e);
    } finally {
      t.complete();
    }
  }

  @Override
  public void enableLogging(Logger logger) {
    m_logger = logger;
  }

  public Map<String, Integer> getErrorTimestampDomains() {
    return m_errorTimestampDomains;
  }

  public Map<String, Integer> getOldVersionDomains() {
    return m_oldVersionDomains;
  }

  @Override
  public Object getReport(String domain) {
    throw new UnsupportedOperationException("This should not be called!");
  }

  @Override
  protected void process(MessageTree tree) {
    MessageId messageId = MessageId.parse(tree.getMessageId());
    String domain = tree.getDomain();

    if (messageId.getVersion() == 2) {
      try {
        long time = tree.getMessage().getTimestamp();
        long fixedTime = time - time % (60 * 60 * 1000);
        long idTime = messageId.getTimestamp();
        long duration = fixedTime - idTime;

        if (duration == 0 || duration == ONE_HOUR || duration == -ONE_HOUR) {
          m_bucketManager.storeMessage(tree, messageId);
        } else {
          m_serverStateManager.addPigeonTimeError(1);

          Integer size = m_errorTimestampDomains.get(domain);

          if (size == null) {
            m_errorTimestampDomains.put(domain, 1);
          } else {
            m_errorTimestampDomains.put(domain, size + 1);
          }
        }
      } catch (IOException e) {
        m_logger.error("Error when dumping to local file system, version 2!", e);
      }
    } else {
      Integer size = m_oldVersionDomains.get(domain);

      if (size == null) {
        m_oldVersionDomains.put(domain, 1);
      } else {
        m_oldVersionDomains.put(domain, size + 1);
      }
    }
  }

  public void setBucketManager(LocalMessageBucketManager bucketManager) {
    m_bucketManager = bucketManager;
  }

  public void setServerStateManager(ServerStatisticManager serverStateManager) {
    m_serverStateManager = serverStateManager;
  }

}
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