/**
* Get a <code>List</code> of available <code>Version</code> objects. The list will be sorted in
* ascending order, so currently "TLSv1.2" will be the last element.
*
* @return a sorted list of supported <code>Version</code>s
*/
private static List<Version> getVersions() {
SSLParameters sslParams;
List<Version> versions = new ArrayList<Version>();
try {
sslParams = SSLContext.getDefault().getSupportedSSLParameters();
String[] protocols = sslParams.getProtocols();
for (int i = 0; i < protocols.length; ++i) {
if (protocols[i].startsWith("TLS")) versions.add(new Version(protocols[i]));
}
Collections.sort(versions);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
System.err.println("this client does not support TLS 1.2");
}
return versions;
}
@Override
public List<Attribute> getMonitorData() {
ArrayList<Attribute> attrs = new ArrayList<>(13);
attrs.add(createAttribute("javaVersion", System.getProperty("java.version")));
attrs.add(createAttribute("javaVendor", System.getProperty("java.vendor")));
attrs.add(createAttribute("jvmVersion", System.getProperty("java.vm.version")));
attrs.add(createAttribute("jvmVendor", System.getProperty("java.vm.vendor")));
attrs.add(createAttribute("javaHome", System.getProperty("java.home")));
attrs.add(createAttribute("classPath", System.getProperty("java.class.path")));
attrs.add(createAttribute("workingDirectory", System.getProperty("user.dir")));
String osInfo =
System.getProperty("os.name")
+ " "
+ System.getProperty("os.version")
+ " "
+ System.getProperty("os.arch");
attrs.add(createAttribute("operatingSystem", osInfo));
String sunOsArchDataModel = System.getProperty("sun.arch.data.model");
if (sunOsArchDataModel != null) {
String jvmArch = sunOsArchDataModel;
if (!sunOsArchDataModel.toLowerCase().equals("unknown")) {
jvmArch += "-bit";
}
attrs.add(createAttribute("jvmArchitecture", jvmArch));
} else {
attrs.add(createAttribute("jvmArchitecture", "unknown"));
}
try {
attrs.add(createAttribute("systemName", InetAddress.getLocalHost().getCanonicalHostName()));
} catch (Exception e) {
logger.traceException(e);
}
Runtime runtime = Runtime.getRuntime();
attrs.add(createAttribute("availableCPUs", runtime.availableProcessors()));
attrs.add(createAttribute("maxMemory", runtime.maxMemory()));
attrs.add(createAttribute("usedMemory", runtime.totalMemory()));
attrs.add(createAttribute("freeUsedMemory", runtime.freeMemory()));
String installPath = DirectoryServer.getServerRoot();
if (installPath != null) {
attrs.add(createAttribute("installPath", installPath));
}
String instancePath = DirectoryServer.getInstanceRoot();
if (instancePath != null) {
attrs.add(createAttribute("instancePath", instancePath));
}
// Get the JVM input arguments.
RuntimeMXBean rtBean = ManagementFactory.getRuntimeMXBean();
List<String> jvmArguments = rtBean.getInputArguments();
if (jvmArguments != null && !jvmArguments.isEmpty()) {
StringBuilder argList = new StringBuilder();
for (String jvmArg : jvmArguments) {
if (argList.length() > 0) {
argList.append(" ");
}
argList.append("\"");
argList.append(jvmArg);
argList.append("\"");
}
attrs.add(createAttribute("jvmArguments", argList.toString()));
}
// Get the list of supported SSL protocols and ciphers.
Collection<String> supportedTlsProtocols;
Collection<String> supportedTlsCiphers;
try {
final SSLContext context = SSLContext.getDefault();
final SSLParameters parameters = context.getSupportedSSLParameters();
supportedTlsProtocols = Arrays.asList(parameters.getProtocols());
supportedTlsCiphers = Arrays.asList(parameters.getCipherSuites());
} catch (Exception e) {
// A default SSL context should always be available.
supportedTlsProtocols = Collections.emptyList();
supportedTlsCiphers = Collections.emptyList();
}
addAttribute(attrs, ATTR_SUPPORTED_TLS_PROTOCOLS, supportedTlsProtocols);
addAttribute(attrs, ATTR_SUPPORTED_TLS_CIPHERS, supportedTlsCiphers);
return attrs;
}