Examples with VirtualMachineDescriptor com.sun.tools.attach.VirtualMachineDescriptor used on opensource projects

Example 16 with VirtualMachineDescriptor

use of com.sun.tools.attach.VirtualMachineDescriptor in project sts4 by spring-projects.

the class SpringBootAppCache method refresh.

private void refresh() {
    List<VirtualMachineDescriptor> currentVms = VirtualMachine.list();
    ImmutableMap.Builder<VirtualMachineDescriptor, SpringBootApp> newAppsBuilder = ImmutableMap.builder();
    for (VirtualMachineDescriptor vm : currentVms) {
        SpringBootApp existingApp = apps.get(vm);
        if (existingApp != null) {
            newAppsBuilder.put(vm, existingApp);
        } else {
            try {
                newAppsBuilder.put(vm, new SpringBootApp(vm));
            } catch (Exception e) {
            // Ignore problems attaching to a VM. We will try again on next polling loop, if vm still exists.
            // The most likely cause is that the VM already died since we obtained a reference to it.
            }
        }
    }
    HashSet<VirtualMachineDescriptor> oldVms = new HashSet<>(apps.keySet());
    ImmutableMap<VirtualMachineDescriptor, SpringBootApp> newApps = newAppsBuilder.build();
    oldVms.removeAll(newApps.keySet());
    for (VirtualMachineDescriptor oldVm : oldVms) {
        apps.get(oldVm).dispose();
    }
    apps = newApps;
    nextRefreshAfter = System.currentTimeMillis() + EXPIRE_AFTER.toMillis();
}

Example 17 with VirtualMachineDescriptor

use of com.sun.tools.attach.VirtualMachineDescriptor in project Aeron by real-logic.

the class ClusterNetworkTopologyTest method setUp.

@BeforeEach
void setUp() {
    Tests.await(() -> {
        final List<VirtualMachineDescriptor> list = VirtualMachine.list();
        final List<VirtualMachineDescriptor> echoServices = list.stream().filter((vm) -> EchoServiceNode.class.getName().equals(vm.displayName())).collect(Collectors.toList());
        if (!echoServices.isEmpty()) {
            System.out.println(echoServices);
            Tests.sleep(200, () -> "Failed to shutdown EchoServiceNode");
        }
        return echoServices.isEmpty();
    }, SECONDS.toNanos(10));
    baseDir = FileResolveUtil.resolveClusterScriptDir();
    IoUtil.delete(new File(baseDir, "node0"), true);
    IoUtil.delete(new File(baseDir, "node1"), true);
    IoUtil.delete(new File(baseDir, "node2"), true);
}

Example 18 with VirtualMachineDescriptor

use of com.sun.tools.attach.VirtualMachineDescriptor in project jdk8u_jdk by JetBrains.

the class JCmd method main.

public static void main(String[] args) {
    Arguments arg = null;
    try {
        arg = new Arguments(args);
    } catch (IllegalArgumentException ex) {
        System.err.println("Error parsing arguments: " + ex.getMessage() + "\n");
        Arguments.usage();
        System.exit(1);
    }
    if (arg.isShowUsage()) {
        Arguments.usage();
        System.exit(1);
    }
    if (arg.isListProcesses()) {
        List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
        for (VirtualMachineDescriptor vmd : vmds) {
            System.out.println(vmd.id() + " " + vmd.displayName());
        }
        System.exit(0);
    }
    List<String> pids = new ArrayList<String>();
    if (arg.getPid() == 0) {
        // find all VMs
        List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
        for (VirtualMachineDescriptor vmd : vmds) {
            if (!isJCmdProcess(vmd)) {
                pids.add(vmd.id());
            }
        }
    } else if (arg.getProcessSubstring() != null) {
        // use the partial class-name match
        List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
        for (VirtualMachineDescriptor vmd : vmds) {
            if (isJCmdProcess(vmd)) {
                continue;
            }
            try {
                String mainClass = getMainClass(vmd);
                if (mainClass != null && mainClass.indexOf(arg.getProcessSubstring()) != -1) {
                    pids.add(vmd.id());
                }
            } catch (MonitorException | URISyntaxException e) {
                if (e.getMessage() != null) {
                    System.err.println(e.getMessage());
                } else {
                    Throwable cause = e.getCause();
                    if ((cause != null) && (cause.getMessage() != null)) {
                        System.err.println(cause.getMessage());
                    } else {
                        e.printStackTrace();
                    }
                }
            }
        }
        if (pids.isEmpty()) {
            System.err.println("Could not find any processes matching : '" + arg.getProcessSubstring() + "'");
            System.exit(1);
        }
    } else if (arg.getPid() == -1) {
        System.err.println("Invalid pid specified");
        System.exit(1);
    } else {
        // Use the found pid
        pids.add(arg.getPid() + "");
    }
    boolean success = true;
    for (String pid : pids) {
        System.out.println(pid + ":");
        if (arg.isListCounters()) {
            listCounters(pid);
        } else {
            try {
                executeCommandForPid(pid, arg.getCommand());
            } catch (AttachOperationFailedException ex) {
                System.err.println(ex.getMessage());
                success = false;
            } catch (Exception ex) {
                ex.printStackTrace();
                success = false;
            }
        }
    }
    System.exit(success ? 0 : 1);
}

Example 19 with VirtualMachineDescriptor

use of com.sun.tools.attach.VirtualMachineDescriptor in project jdk8u_jdk by JetBrains.

the class HotSpotAttachProvider method listVirtualMachines.

/*
     * This listVirtualMachines implementation is based on jvmstat. Can override
     * this in platform implementations when there is a more efficient mechanism
     * available.
     */
public List<VirtualMachineDescriptor> listVirtualMachines() {
    ArrayList<VirtualMachineDescriptor> result = new ArrayList<VirtualMachineDescriptor>();
    MonitoredHost host;
    Set<Integer> vms;
    try {
        host = MonitoredHost.getMonitoredHost(new HostIdentifier((String) null));
        vms = host.activeVms();
    } catch (Throwable t) {
        if (t instanceof ExceptionInInitializerError) {
            t = t.getCause();
        }
        if (t instanceof ThreadDeath) {
            throw (ThreadDeath) t;
        }
        if (t instanceof SecurityException) {
            return result;
        }
        // shouldn't happen
        throw new InternalError(t);
    }
    for (Integer vmid : vms) {
        String pid = vmid.toString();
        // default to pid if name not available
        String name = pid;
        boolean isAttachable = false;
        MonitoredVm mvm = null;
        try {
            mvm = host.getMonitoredVm(new VmIdentifier(pid));
            try {
                isAttachable = MonitoredVmUtil.isAttachable(mvm);
                // use the command line as the display name
                name = MonitoredVmUtil.commandLine(mvm);
            } catch (Exception e) {
            }
            if (isAttachable) {
                result.add(new HotSpotVirtualMachineDescriptor(this, pid, name));
            }
        } catch (Throwable t) {
            if (t instanceof ThreadDeath) {
                throw (ThreadDeath) t;
            }
        } finally {
            if (mvm != null) {
                mvm.detach();
            }
        }
    }
    return result;
}

Example 20 with VirtualMachineDescriptor

use of com.sun.tools.attach.VirtualMachineDescriptor in project jdk8u_jdk by JetBrains.

the class LocalVirtualMachine method getAttachableVMs.

private static void getAttachableVMs(Map<Integer, LocalVirtualMachine> map) {
    List<VirtualMachineDescriptor> vms = VirtualMachine.list();
    for (VirtualMachineDescriptor vmd : vms) {
        try {
            Integer vmid = Integer.valueOf(vmd.id());
            if (!map.containsKey(vmid)) {
                boolean attachable = false;
                String address = null;
                try {
                    VirtualMachine vm = VirtualMachine.attach(vmd);
                    attachable = true;
                    Properties agentProps = vm.getAgentProperties();
                    address = (String) agentProps.get(LOCAL_CONNECTOR_ADDRESS_PROP);
                    vm.detach();
                } catch (AttachNotSupportedException x) {
                // not attachable
                } catch (IOException x) {
                // ignore
                }
                map.put(vmid, new LocalVirtualMachine(vmid.intValue(), vmd.displayName(), attachable, address));
            }
        } catch (NumberFormatException e) {
        // do not support vmid different than pid
        }
    }
}