/** * 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; }