How to use SocketInputStream method of sun.tools.attach.BsdVirtualMachine class

Best Powermock code snippet using sun.tools.attach.BsdVirtualMachine.SocketInputStream

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...153 } catch (IOException x) {154 ioe = x;155 }156 /​/​ Create an input stream to read reply157 SocketInputStream sis = new SocketInputStream(s);158 /​/​ Read the command completion status159 int completionStatus;160 try {161 completionStatus = readInt(sis);162 } catch (IOException x) {163 sis.close();164 if (ioe != null) {165 throw ioe;166 } else {167 throw x;168 }169 }170 if (completionStatus != 0) {171 sis.close();172 /​/​ In the event of a protocol mismatch then the target VM173 /​/​ returns a known error so that we can throw a reasonable174 /​/​ error.175 if (completionStatus == ATTACH_ERROR_BADVERSION) {176 throw new IOException("Protocol mismatch with target VM");177 }178 /​/​ Special-case the "load" command so that the right exception is179 /​/​ thrown.180 if (cmd.equals("load")) {181 throw new AgentLoadException("Failed to load agent library");182 } else {183 throw new IOException("Command failed in target VM");184 }185 }186 /​/​ Return the input stream so that the command output can be read187 return sis;188 }189 /​*190 * InputStream for the socket connection to get target VM191 */​192 private class SocketInputStream extends InputStream {193 int s;194 public SocketInputStream(int s) {195 this.s = s;196 }197 public synchronized int read() throws IOException {198 byte b[] = new byte[1];199 int n = this.read(b, 0, 1);200 if (n == 1) {201 return b[0] & 0xff;202 } else {203 return -1;204 }205 }206 public synchronized int read(byte[] bs, int off, int len) throws IOException {207 if ((off < 0) || (off > bs.length) || (len < 0) ||208 ((off + len) > bs.length) || ((off + len) < 0)) {...

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SocketInputStream

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1import java.io.IOException;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.util.List;5import java.util.stream.Collectors;6import sun.tools.attach.BsdVirtualMachine;7import sun.tools.attach.LinuxVirtualMachine;8import sun.tools.attach.MacOSXVirtualMachine;9import sun.tools.attach.WindowsVirtualMachine;10public class ProcessId {11 public static void main(String[] args) {12 String pid = getProcessId();13 System.out.println(pid);14 }15 public static String getProcessId() {16 String pid;17 try {18 String name = ManagementFactory.getRuntimeMXBean().getName();19 pid = name.split("@")[0];20 } catch (Exception e) {21 try {22 Class<?> clazz = Class.forName("sun.tools.attach.HotSpotVirtualMachine");23 Method pidMethod = clazz.getDeclaredMethod("pid");24 pidMethod.setAccessible(true);25 Object vm = clazz.getConstructor().newInstance();26 Method attachMethod = clazz.getDeclaredMethod("attach", String.class);27 attachMethod.setAccessible(true);28 attachMethod.invoke(vm, "");29 pid = pidMethod.invoke(vm).toString();30 } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e1) {31 try {32 Class<?> clazz = Class.forName("sun.tools.attach.WindowsVirtualMachine");33 Method pidMethod = clazz.getDeclaredMethod("pid");34 pidMethod.setAccessible(true);35 Object vm = clazz.getConstructor().newInstance();36 Method attachMethod = clazz.getDeclaredMethod("attach", String.class);37 attachMethod.setAccessible(true);38 attachMethod.invoke(vm, "");39 pid = pidMethod.invoke(vm).toString();40 } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e2) {41 try {42 Class<?> clazz = Class.forName("sun.tools.attach.LinuxVirtualMachine");43 Method pidMethod = clazz.getDeclaredMethod("pid");44 pidMethod.setAccessible(true);45 Object vm = clazz.getConstructor().newInstance();46 Method attachMethod = clazz.getDeclaredMethod("attach", String.class);47 attachMethod.setAccessible(true);48 attachMethod.invoke(vm, "");49 pid = pidMethod.invoke(vm).toString();50 } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e3) {51 try {52 Class<?> clazz = Class.forName("sun.tools.attach.MacOSXVirtualMachine");53 Method pidMethod = clazz.getDeclaredMethod("pid");

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SocketInputStream

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1import java.io.*;2import java.lang.management.*;3import java.net.*;4import java.util.*;5import com.sun.tools.attach.*;6public class AttachTest {7 public static void main(String[] args) throws Exception {8 String pid = getPid();9 System.out.println("PID: " + pid);10 VirtualMachine vm = VirtualMachine.attach(pid);11 System.out.println("VirtualMachine: " + vm);12 vm.detach();13 }14 private static String getPid() {15 String nameOfRunningVM = ManagementFactory.getRuntimeMXBean().getName();16 int p = nameOfRunningVM.indexOf('@');17 return nameOfRunningVM.substring(0, p);18 }19}20import java.lang.management.ManagementFactory;21public class MyProcessId {22 public static void main(String[] args) {23 String name = ManagementFactory.getRuntimeMXBean().getName();24 System.out.println(name);25 String pid = name.split("@")[0];26 System.out.println("Pid is:" + pid);27 }28}29import java.lang.management.ManagementFactory;30public class MyProcessId {31 public static void main(String[] args) {32 String name = ManagementFactory.getRuntimeMXBean().getName();33 System.out.println(name);34 String pid = name.split("@")[0];35 System.out.println("Pid is

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1import java.io.*;2import java.lang.management.*;3import java.util.*;4import sun.tools.attach.*;5public class Main {6 public static void main(String[] args) throws Exception {7 String commandLine = getCommandLine(pid);8 System.out.println(commandLine);9 }10 public static String getCommandLine(String pid) throws Exception {11 String commandLine = null;12 if (System.getProperty("os.name").startsWith("Windows")) {13 commandLine = getCommandLineWindows(pid);14 } else if (System.getProperty("os.name").startsWith("Linux")) {15 commandLine = getCommandLineLinux(pid);16 } else if (System.getProperty("os.name").startsWith("Mac OS X")) {17 commandLine = getCommandLineMacOSX(pid);18 } else if (System.getProperty("os.name").startsWith("SunOS")) {19 commandLine = getCommandLineSolaris(pid);20 } else if (System.getProperty("os.name").startsWith("AIX")) {21 commandLine = getCommandLineAIX(pid);22 } else if (System.getProperty("os.name").startsWith("HP-UX")) {23 commandLine = getCommandLineHPUX(pid);24 } else {25 throw new Exception("OS not supported");26 }27 return commandLine;28 }29 public static String getCommandLineWindows(String pid) throws Exception {30 String commandLine = null;31 Process process = Runtime.getRuntime().exec("wmic process where (processid=" + pid + ") get commandline");32 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));33 String line = bufferedReader.readLine();34 while (line != null) {35 if (line.startsWith("\"")) {36 commandLine = line.substring(1, line.length() - 1);37 break;38 }39 line = bufferedReader.readLine();40 }41 bufferedReader.close();42 return commandLine;43 }44 public static String getCommandLineLinux(String pid) throws Exception {45 String commandLine = null;46 Process process = Runtime.getRuntime().exec("ps -p " + pid +

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1import java.io.*;2import java.lang.reflect.*;3import java.net.*;4import java.util.*;5import com.sun.tools.attach.*;6import java.util.regex.*;7import java.util.stream.*;8import java.util.concurrent.*;9import java.util.concurrent.atomic.*;10import java.util.function.*;11import java.util.concurrent.atomic.*;12import java.util.concurrent.locks.*;13import java.util.concurrent.locks.AbstractQueuedSynchronizer.*;14import java.util.concurrent.locks.ReentrantLock.*;15import java.util.concurrent.locks.ReentrantReadWriteLock.*;16import java.util.concurrent.locks.StampedLock.*;17import java.util.concurrent.locks.LockSupport.*;18import java.util.concurrent.locks.Condition.*;19import java.util.concurrent.locks.Lock.*;20import java.util.concurrent.locks.ReadWriteLock.*;21import java.util.concurrent.locks.AbstractOwnableSynchronizer.*;22import java.util.concurrent.locks.AbstractQueuedLongSynchronizer.*;23import java.util.concurrent.locks.AbstractQueuedSynchronizer.*;24import

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SocketInputStream

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1import java.io.*;2import java.lang.reflect.*;3import java.net.*;4import java.util.*;5import java.util.concurrent.*;6import java.util.concurrent.atomic.*;7import java.util.concurrent.locks.*;8import java.util.regex.*;9import java.util.stream.*;10import sun.tools.attach.*;11public class Jstack {12 public static void main(String[] args) throws Exception {13 String pid = args[0];14 String jstackPath = "/​Library/​Java/​JavaVirtualMachines/​jdk1.8.0_60.jdk/​Contents/​Home/​bin/​jstack";15 String command = jstackPath + " " + pid;16 Process process = Runtime.getRuntime().exec(command);17 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));18 String line = null;19 while ((line = bufferedReader.readLine()) != null) {20 System.out.println(line);21 }22 bufferedReader.close();23 }24}

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1import java.io.*;2import java.lang.reflect.*;3import java.util.*;4import com.sun.tools.attach.*;5import com.sun.tools.attach.spi.*;6import sun.tools.attach.*;7import sun.tools.attach.BsdVirtualMachine.*;8public class getPid {9 public static void main(String[] args) {10 String pid = null;11 try {12 VirtualMachineDescriptor vmd = null;13 List<VirtualMachineDescriptor> list = VirtualMachine.list();14 for (VirtualMachineDescriptor v : list) {15 if (v.displayName().equals("java")) {16 vmd = v;17 break;18 }19 }20 if (vmd == null) {21 System.out.println("java process not found");22 System.exit(1);23 }24 VirtualMachine vm = VirtualMachine.attach(vmd);25 Field f = vm.getClass().getDeclaredField("vm");26 f.setAccessible(true);27 BsdVirtualMachine bvm = (BsdVirtualMachine)f.get(vm);28 Method m = bvm.getClass().getDeclaredMethod("getProcessId");29 m.setAccessible(true);30 pid = m.invoke(bvm).toString();31 vm.detach();32 } catch (Exception e) {33 System.out.println(e);34 System.exit(1);35 }36 System.out.println(pid);37 }38}

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