public static void deleteQuiet(File file) {
try {
delete(file);
} catch (IOException ignored) {
EmptyStatement.ignore(ignored);
}
}
public Map<String, String> phoneHome(Node hazelcastNode, String version, boolean isEnterprise) {
String downloadId = "source";
InputStream is = null;
try {
is = getClass().getClassLoader().getResourceAsStream("hazelcast-download.properties");
if (is != null) {
final Properties properties = new Properties();
properties.load(is);
downloadId = properties.getProperty("hazelcastDownloadId");
}
} catch (IOException ignored) {
EmptyStatement.ignore(ignored);
} finally {
IOUtil.closeResource(is);
}
// Calculate native memory usage from native memory config
NativeMemoryConfig memoryConfig = hazelcastNode.getConfig().getNativeMemoryConfig();
final ClusterServiceImpl clusterService = hazelcastNode.getClusterService();
long totalNativeMemorySize =
clusterService.getSize(DATA_MEMBER_SELECTOR) * memoryConfig.getSize().bytes();
String nativeMemoryParameter =
(isEnterprise) ? Long.toString(MemoryUnit.BYTES.toGigaBytes(totalNativeMemorySize)) : "0";
// Calculate connected clients to the cluster.
Map<ClientType, Integer> clusterClientStats =
hazelcastNode.clientEngine.getConnectedClientStats();
RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
Long clusterUpTime = clusterService.getClusterClock().getClusterUpTime();
PhoneHomeParameterCreator parameterCreator = new PhoneHomeParameterCreator();
parameterCreator.addParam("version", version);
parameterCreator.addParam("m", hazelcastNode.getLocalMember().getUuid());
parameterCreator.addParam("e", Boolean.toString(isEnterprise));
parameterCreator.addParam("l", MD5Util.toMD5String(hazelcastNode.getConfig().getLicenseKey()));
parameterCreator.addParam("p", downloadId);
parameterCreator.addParam("c", clusterService.getClusterId());
parameterCreator.addParam("crsz", convertToLetter(clusterService.getMembers().size()));
parameterCreator.addParam(
"cssz", convertToLetter(hazelcastNode.clientEngine.getClientEndpointCount()));
parameterCreator.addParam("hdgb", nativeMemoryParameter);
parameterCreator.addParam("ccpp", Integer.toString(clusterClientStats.get(ClientType.CPP)));
parameterCreator.addParam("cdn", Integer.toString(clusterClientStats.get(ClientType.CSHARP)));
parameterCreator.addParam("cjv", Integer.toString(clusterClientStats.get(ClientType.JAVA)));
parameterCreator.addParam("cuptm", Long.toString(clusterUpTime));
parameterCreator.addParam("nuptm", Long.toString(runtimeMxBean.getUptime()));
String urlStr = BASE_PHONE_HOME_URL + parameterCreator.build();
fetchWebService(urlStr);
return parameterCreator.getParameters();
}
private void fetchWebService(String urlStr) {
InputStream in = null;
try {
URL url = new URL(urlStr);
URLConnection conn = url.openConnection();
conn.setRequestProperty("User-Agent", "Mozilla/5.0");
conn.setConnectTimeout(TIMEOUT * 2);
conn.setReadTimeout(TIMEOUT * 2);
in = new BufferedInputStream(conn.getInputStream());
} catch (IOException ignored) {
EmptyStatement.ignore(ignored);
} finally {
IOUtil.closeResource(in);
}
}
static List<ClassLoader> selectClassLoaders(ClassLoader classLoader) {
// List prevents reordering!
List<ClassLoader> classLoaders = new ArrayList<ClassLoader>();
if (classLoader != null) {
classLoaders.add(classLoader);
}
// Is TCCL same as given classLoader
ClassLoader tccl = Thread.currentThread().getContextClassLoader();
if (tccl != classLoader) {
classLoaders.add(tccl);
}
// Hazelcast core classLoader
ClassLoader coreClassLoader = ServiceLoader.class.getClassLoader();
if (coreClassLoader != classLoader && coreClassLoader != tccl) {
classLoaders.add(coreClassLoader);
}
// Hazelcast client classLoader
try {
Class<?> hzClientClass = Class.forName("com.hazelcast.client.HazelcastClient");
ClassLoader clientClassLoader = hzClientClass.getClassLoader();
if (clientClassLoader != classLoader
&& clientClassLoader != tccl
&& clientClassLoader != coreClassLoader) {
classLoaders.add(clientClassLoader);
}
} catch (ClassNotFoundException ignore) {
EmptyStatement.ignore(ignore);
// ignore since we does not have HazelcastClient in classpath
}
return classLoaders;
}