/**
* get all workers heartbeats of the supervisor
*
* @param conf
* @return Map<workerId, WorkerHeartbeat>
* @throws IOException
* @throws IOException
*/
public Map<String, WorkerHeartbeat> readWorkerHeartbeats(Map conf) throws Exception {
Map<String, WorkerHeartbeat> workerHeartbeats = new HashMap<String, WorkerHeartbeat>();
// get the path: STORM-LOCAL-DIR/workers
String path = StormConfig.worker_root(conf);
List<String> workerIds = PathUtils.read_dir_contents(path);
if (workerIds == null) {
LOG.info("No worker dir under " + path);
return workerHeartbeats;
}
for (String workerId : workerIds) {
WorkerHeartbeat whb = readWorkerHeartbeat(conf, workerId);
// ATTENTION: whb can be null
workerHeartbeats.put(workerId, whb);
}
return workerHeartbeats;
}
private String getClassPath(String stormjar, String stormHome, Map totalConf) {
// String classpath = JStormUtils.current_classpath() + ":" + stormjar;
// return classpath;
String classpath = JStormUtils.current_classpath();
String[] classpathes = classpath.split(":");
Set<String> classSet = new HashSet<String>();
for (String classJar : classpathes) {
classSet.add(classJar);
}
if (stormHome != null) {
List<String> stormHomeFiles = PathUtils.read_dir_contents(stormHome);
for (String file : stormHomeFiles) {
if (file.endsWith(".jar")) {
classSet.add(stormHome + File.separator + file);
}
}
List<String> stormLibFiles = PathUtils.read_dir_contents(stormHome + File.separator + "lib");
for (String file : stormLibFiles) {
if (file.endsWith(".jar")) {
classSet.add(stormHome + File.separator + "lib" + File.separator + file);
}
}
}
// filter jeromq.jar/jzmq.jar to avoid ZMQ.class conflict
String filterJarKeyword = null;
String transport_plugin_klassName = (String) totalConf.get(Config.STORM_MESSAGING_TRANSPORT);
if (transport_plugin_klassName.equals(MQContext.class.getCanonicalName())) {
filterJarKeyword = "jeromq";
} else if (transport_plugin_klassName.equals("org.act.tstream.message.jeroMq.JMQContext")) {
filterJarKeyword = "jzmq";
}
StringBuilder sb = new StringBuilder();
if (filterJarKeyword != null) {
for (String jar : classSet) {
if (jar.contains(filterJarKeyword)) {
continue;
}
sb.append(jar + ":");
}
} else {
for (String jar : classSet) {
sb.append(jar + ":");
}
}
if (ConfigExtension.isEnableTopologyClassLoader(totalConf)) {
return sb.toString().substring(0, sb.length() - 1);
} else {
sb.append(stormjar);
return sb.toString();
}
}