package com.alibaba.jstorm.daemon.nimbus;
import backtype.storm.Config;
import backtype.storm.generated.InvalidTopologyException;
import backtype.storm.nimbus.NimbusInfo;
import com.alibaba.jstorm.blobstore.BlobStore;
import com.alibaba.jstorm.blobstore.BlobStoreUtils;
import com.alibaba.jstorm.cluster.Common;
import com.alibaba.jstorm.cluster.StormConfig;
import com.alibaba.jstorm.metric.MetricUtils;
import org.jboss.netty.util.internal.ConcurrentHashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
public class TopologyNettyMgr {
private static Logger LOG = LoggerFactory.getLogger(TopologyNettyMgr.class);
private Map nimbusConf;
private ConcurrentHashMap<String, Boolean> setting = new ConcurrentHashMap<String, Boolean>();
public TopologyNettyMgr(Map conf) {
nimbusConf = conf;
}
protected boolean getTopology(Map conf) {
return MetricUtils.isEnableNettyMetrics(conf);
}
public boolean getTopology(String topologyId) {
BlobStore blobStore = null;
try {
String topologyName = Common.topologyIdToName(topologyId);
Boolean isEnable = setting.get(topologyName);
if (isEnable != null) {
return isEnable;
}
blobStore = BlobStoreUtils.getNimbusBlobStore(nimbusConf, NimbusInfo.fromConf(nimbusConf));
Map topologyConf = StormConfig.read_nimbus_topology_conf(topologyId, blobStore);
isEnable = getTopology(topologyConf);
setting.put(topologyName, isEnable);
LOG.info("{} netty metrics setting is {}", topologyName, isEnable);
return isEnable;
} catch (Exception e) {
LOG.info("Failed to get {} netty metrics setting ", topologyId);
return true;
}finally {
if (blobStore != null){
blobStore.shutdown();
blobStore = null;
}
}
}
public void setTopology(Map conf) {
String topologyName = (String) conf.get(Config.TOPOLOGY_NAME);
if (topologyName == null) {
LOG.info("No topologyName setting");
return;
}
boolean isEnable = getTopology(conf);
setting.put(topologyName, isEnable);
LOG.info("{} netty metrics setting is {}", topologyName, isEnable);
return;
}
public void rmTopology(String topologyId) {
String topologyName;
try {
topologyName = Common.topologyIdToName(topologyId);
setting.remove(topologyName);
LOG.info("Remove {} netty metrics setting ", topologyName);
} catch (InvalidTopologyException ignored) {
}
}
}