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How to use SolarisVirtualMachine class of sun.tools.attach package

Best Powermock code snippet using sun.tools.attach.SolarisVirtualMachine

Source:SolarisVirtualMachine.java

...33import java.io.FileNotFoundException;34/*35 * Solaris implementation of HotSpotVirtualMachine.36 */37public class SolarisVirtualMachine extends HotSpotVirtualMachine {38    // "/tmp" is used as a global well-known location for the files39    // .java_pid<pid>. and .attach_pid<pid>. It is important that this40    // location is the same for all processes, otherwise the tools41    // will not be able to find all Hotspot processes.42    // Any changes to this needs to be synchronized with HotSpot.43    private static final String tmpdir = "/tmp";44    // door descriptor;45    private int fd = -1;46    /**47     * Attaches to the target VM48     */49    SolarisVirtualMachine(AttachProvider provider, String vmid)50        throws AttachNotSupportedException, IOException51    {52        super(provider, vmid);53        // This provider only understands process-ids (pids).54        int pid;55        try {56            pid = Integer.parseInt(vmid);57        } catch (NumberFormatException x) {58            throw new AttachNotSupportedException("invalid process identifier");59        }60        // Opens the door file to the target VM. If the file is not61        // found it might mean that the attach mechanism isn't started in the62        // target VM so we attempt to start it and retry.63        try {64            fd = openDoor(pid);65        } catch (FileNotFoundException fnf1) {66            File f = createAttachFile(pid);67            try {68                // kill -QUIT will tickle target VM to check for the69                // attach file.70                sigquit(pid);71                // give the target VM time to start the attach mechanism72                int i = 0;73                long delay = 200;74                int retries = (int)(attachTimeout() / delay);75                do {76                    try {77                        Thread.sleep(delay);78                    } catch (InterruptedException x) { }79                    try {80                        fd = openDoor(pid);81                    } catch (FileNotFoundException fnf2) { }82                    i++;83                } while (i <= retries && fd == -1);84                if (fd == -1) {85                    throw new AttachNotSupportedException(86                        "Unable to open door: target process not responding or " +87                        "HotSpot VM not loaded");88                }89            } finally {90                f.delete();91            }92        }93        assert fd >= 0;94    }95    /**96     * Detach from the target VM97     */98    public void detach() throws IOException {99        synchronized (this) {100            if (fd != -1) {101                close(fd);102                fd = -1;103            }104        }105    }106    /**107     * Execute the given command in the target VM.108     */109    InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {110        assert args.length <= 3;                // includes null111        // first check that we are still attached112        int door;113        synchronized (this) {114            if (fd == -1) {115                throw new IOException("Detached from target VM");116            }117            door = fd;118        }119        // enqueue the command via a door call120        int s = enqueue(door, cmd, args);121        assert s >= 0;                          // valid file descriptor122        // The door call returns a file descriptor (one end of a socket pair).123        // Create an input stream around it.124        SocketInputStream sis = new SocketInputStream(s);125        // Read the command completion status126        int completionStatus;127        try {128            completionStatus = readInt(sis);129        } catch (IOException ioe) {130            sis.close();131            throw ioe;132        }133        // If non-0 it means an error but we need to special-case the134        // "load" command to ensure that the right exception is thrown.135        if (completionStatus != 0) {136            // read from the stream and use that as the error message137            String message = readErrorMessage(sis);138            sis.close();139            if (cmd.equals("load")) {140                throw new AgentLoadException("Failed to load agent library");141            } else {142                if (message == null) {143                    throw new AttachOperationFailedException("Command failed in target VM");144                } else {145                    throw new AttachOperationFailedException(message);146                }147            }148        }149        // Return the input stream so that the command output can be read150        return sis;151    }152    // InputStream over a socket153    private class SocketInputStream extends InputStream {154        int s;155        public SocketInputStream(int s) {156            this.s = s;157        }158        public synchronized int read() throws IOException {159            byte b[] = new byte[1];160            int n = this.read(b, 0, 1);161            if (n == 1) {162                return b[0] & 0xff;163            } else {164                return -1;165            }166        }167        public synchronized int read(byte[] bs, int off, int len) throws IOException {168            if ((off < 0) || (off > bs.length) || (len < 0) ||169                ((off + len) > bs.length) || ((off + len) < 0)) {170                throw new IndexOutOfBoundsException();171            } else if (len == 0)172                return 0;173            return SolarisVirtualMachine.read(s, bs, off, len);174        }175        public void close() throws IOException {176            SolarisVirtualMachine.close(s);177        }178    }179    // The door is attached to .java_pid<pid> in the temporary directory.180    private int openDoor(int pid) throws IOException {181        String path = tmpdir + "/.java_pid" + pid;;182        fd = open(path);183        // Check that the file owner/permission to avoid attaching to184        // bogus process185        try {186            checkPermissions(path);187        } catch (IOException ioe) {188            close(fd);189            throw ioe;190        }...

Source:SolarisAttachProvider.java

...23        checkAttachPermission();24        // AttachNotSupportedException will be thrown if the target VM can be determined25        // to be not attachable.26        testAttachable(vmid);27        return new SolarisVirtualMachine(this, vmid);28    }29    public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)30        throws AttachNotSupportedException, IOException31    {32        if (vmd.provider() != this) {33            throw new AttachNotSupportedException("provider mismatch");34        }35        // To avoid re-checking if the VM if attachable, we check if the descriptor36        // is for a hotspot VM - these descriptors are created by the listVirtualMachines37        // implementation which only returns a list of attachable VMs.38        if (vmd instanceof HotSpotVirtualMachineDescriptor) {39            assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();40            checkAttachPermission();41            return new SolarisVirtualMachine(this, vmd.id());42        } else {43            return attachVirtualMachine(vmd.id());44        }45    }46}...

SolarisVirtualMachine

Using AI Code Generation

1import sun.tools.attach.*;2import java.io.*;3import java.util.*;4{5    public static void main(String[] args)6    {7        {8            SolarisVirtualMachine vm = new SolarisVirtualMachine(args[0]);9            vm.loadAgentLibrary("libattach.so", "load");10            vm.detach();11        }12        catch(IOException e)13        {14            System.out.println(e);15        }16    }17}18import sun.tools.attach.*;19import java.io.*;20import java.util.*;21{22    public static void main(String[] args)23    {24        {25            SolarisVirtualMachine vm = new SolarisVirtualMachine(args[0]);26            vm.loadAgentLibrary("libattach.so", "unload");27            vm.detach();28        }29        catch(IOException e)30        {31            System.out.println(e);32        }33    }34}35import sun.tools.attach.*;36import java.io.*;37import java.util.*;38{39    public static void main(String[] args)40    {41        {42            SolarisVirtualMachine vm = new SolarisVirtualMachine(args[0]);43            vm.loadAgentLibrary("libattach.so", "dump");44            vm.detach();45        }46        catch(IOException e)47        {48            System.out.println(e);49        }50    }51}52import sun.tools.attach.*;53import java.io.*;54import java.util.*;55{56    public static void main(String[] args)57    {58        {59            SolarisVirtualMachine vm = new SolarisVirtualMachine(args[0]);60            vm.loadAgentLibrary("libattach.so", "status");61            vm.detach();62        }63        catch(IOException e)64        {65            System.out.println(e);66        }67    }68}69import sun.tools.attach.*;70import java.io.*;71import java.util.*;72{73    public static void main(String[] args)74    {75        {76            SolarisVirtualMachine vm = new SolarisVirtualMachine(args[0]);77            vm.loadAgentLibrary("lib

SolarisVirtualMachine

Using AI Code Generation

1import sun.tools.attach.*;2import com.sun.tools.attach.*;3import java.io.*;4import java.util.*;5import java.lang.management.*;6import java.lang.management.ManagementFactory;7import com.sun.management.*;8import java.util.List;9import java.util.Arrays;10import java.util.ArrayList;11import java.util.Iterator;12import java.lang.reflect.Method;13import java.lang.reflect.InvocationTargetException;14import java.lang.reflect.Field;15import java.lang.reflect.Constructor;16import java.net.URL;17import java.net.URLClassLoader;18import java.net.MalformedURLException;19{20public static void main(String[] args) throws Exception21{22String pid = args[0];23SolarisVirtualMachine vm = new SolarisVirtualMachine(pid);24List classes = vm.getLoadedClasses(true);25System.out.println("List of loaded classes: ");26for (int i = 0; i < classes.size(); i++)27{28System.out.println(classes.get(i));29}30}31}

SolarisVirtualMachine

Using AI Code Generation

1import sun.tools.attach.*;2import java.io.IOException;3public class 4 {4    public static void main(String[] args) {5        try {6            SolarisVirtualMachine vm = new SolarisVirtualMachine(1234);7            System.out.println("PID of the JVM is " + vm.getPid());8        } catch (IOException e) {9            System.out.println("Exception: " + e);10        }11    }12}13import sun.tools.attach.*;14import java.io.IOException;15public class 5 {16    public static void main(String[] args) {17        try {18            HotSpotVirtualMachine vm = new HotSpotVirtualMachine(1234);19            System.out.println("PID of the JVM is " + vm.getPid());20        } catch (IOException e) {21            System.out.println("Exception: " + e);22        }23    }24}25import jdk.tools.attach.*;26import java.io.IOException;27public class 6 {28    public static void main(String[] args) {29        try {30            HotSpotVirtualMachine vm = new HotSpotVirtualMachine(1234);31            System.out.println("PID of the JVM is " + vm.getPid());32        } catch (IOException e) {33            System.out.println("Exception: " + e);34        }35    }36}37import jdk.tools.attach.*;38import java.io.IOException;39public class 7 {40    public static void main(String[] args) {41        try {42            HotSpotVirtualMachine vm = new HotSpotVirtualMachine(1234);43            System.out.println("PID of the JVM is " + vm.getPid());44        } catch (IOException e) {45            System.out.println("Exception: " + e);46        }47    }48}

SolarisVirtualMachine

Using AI Code Generation

1import java.io.*;2import sun.tools.attach.*;3import java.util.*;4{5public static void main(String[] args) throws Exception6{7List<String> l = SolarisVirtualMachine.list();8System.out.println("No of Java processes running on the system: " + l.size());9for(String s : l)10{11System.out.println(s);12}13}14}15import java.io.*;16import com.sun.tools.attach.*;17import java.util.*;18{19public static void main(String[] args) throws Exception20{21List<String> l = WindowsVirtualMachine.list();22System.out.println("No of Java processes running on the system: " + l.size());23for(String s : l)24{25System.out.println(s);26}27}28}

SolarisVirtualMachine

Using AI Code Generation

1import sun.tools.attach.*;2import com.sun.tools.attach.*;3import java.util.*;4import java.io.*;5import java.lang.management.*;6{7public static void main(String args[]) throws Exception8{9VirtualMachine vm = VirtualMachine.attach("pid");10List<ThreadInfo> list = vm.getSystemProperties().getThreadInfo();11for (ThreadInfo info : list)12{13System.out.println("Thread name: " + info.getThreadName());14System.out.println("Thread id: " + info.getThreadId());15System.out.println("Thread state: " + info.getThreadState());16System.out.println("Thread cpu time: " + info.getThreadCpuTime());17System.out.println("Thread user time: " + info.getThreadUserTime());18System.out.println("Thread blocked count: " + info.getBlockedCount());19System.out.println("Thread blocked time: " + info.getBlockedTime());20System.out.println("Thread waited count: " + info.getWaitedCount());21System.out.println("Thread waited time: " + info.getWaitedTime());22System.out.println("Thread lock name: " + info.getLockName());23System.out.println("Thread lock owner name: " + info.getLockOwnerName());24System.out.println("Thread lock owner id: " + info.getLockOwnerId());25System.out.println("Thread in native: " + info.isInNative());26System.out.println("Thread suspended: " + info.isSuspended());27System.out.println("Thread daemon: " + info.isDaemon());28System.out.println("Thread priority: " + info.getPriority());29System.out.println("Thread stack trace: " + info.getStackTrace());30System.out.println("Thread lock info: " + info.getLockInfo());31System.out.println("Thread locked monitors: " + info.getLockedMonitors());32System.out.println("Thread locked synchronizers: " + info.getLockedSynchronizers());33}34}35}

SolarisVirtualMachine

Using AI Code Generation

1import java.io.IOException;2import java.util.List;3import java.util.ArrayList;4import java.util.Properties;5import com.sun.tools.attach.*;6import com.sun.tools.attach.spi.AttachProvider;7public class 4 {8    public static void main(String[] args) throws IOException {9        List<VirtualMachineDescriptor> vmList = VirtualMachine.list();10        for (VirtualMachineDescriptor vmd : vmList) {11            System.out.println("PID: " + vmd.id());12            System.out.println("Display Name: " + vmd.displayName());13            System.out.println("Provider: " + vmd.provider());14            System.out.println("Virtual Machine: " + vmd);15            System.out.println("");16        }17    }18}

SolarisVirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.io.*;3import java.util.*;4public class 4 {5  public static void main(String[] args) {6    if (args.length != 1) {7      System.out.println("Usage: java 4 <pid>");8      System.out.println("where pid is the process id of the java process");9      System.out.println("for example: java 4 1234");10      System.exit(1);11    }12    String pid = args[0];13    String cmd = "jstack " + pid;14    String line;15    Process p;16    try {17      p = Runtime.getRuntime().exec(cmd);18      BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));19      while ((line = input.readLine()) != null) {20        System.out.println(line);21      }22      input.close();

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