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

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

Source:BsdVirtualMachine.java Github

copy

Full Screen

...33import java.util.Properties;34/*35 * Bsd implementation of HotSpotVirtualMachine36 */37public class BsdVirtualMachine extends HotSpotVirtualMachine {38 // "tmpdir" 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 // This is intentionally not the same as java.io.tmpdir, since43 // the latter can be changed by the user.44 // Any changes to this needs to be synchronized with HotSpot.45 private static final String tmpdir;46 // The patch to the socket file created by the target VM47 String path;48 /**49 * Attaches to the target VM50 */51 public BsdVirtualMachine(AttachProvider provider, String vmid)52 throws AttachNotSupportedException, IOException53 {54 super(provider, vmid);55 // This provider only understands pids56 int pid;57 try {58 pid = Integer.parseInt(vmid);59 } catch (NumberFormatException x) {60 throw new AttachNotSupportedException("Invalid process identifier");61 }62 // Find the socket file. If not found then we attempt to start the63 // attach mechanism in the target VM by sending it a QUIT signal.64 // Then we attempt to find the socket file again.65 path = findSocketFile(pid);66 if (path == null) {67 File f = new File(tmpdir, ".attach_pid" + pid);68 createAttachFile(f.getPath());69 try {70 sendQuitTo(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 path = findSocketFile(pid);80 i++;81 } while (i <= retries && path == null);82 if (path == null) {83 throw new AttachNotSupportedException(84 "Unable to open socket file: target process not responding " +85 "or HotSpot VM not loaded");86 }87 } finally {88 f.delete();89 }90 }91 // Check that the file owner/permission to avoid attaching to92 // bogus process93 checkPermissions(path);94 // Check that we can connect to the process95 // - this ensures we throw the permission denied error now rather than96 // later when we attempt to enqueue a command.97 int s = socket();98 try {99 connect(s, path);100 } finally {101 close(s);102 }103 }104 /**105 * Detach from the target VM106 */107 public void detach() throws IOException {108 synchronized (this) {109 if (this.path != null) {110 this.path = null;111 }112 }113 }114 // protocol version115 private final static String PROTOCOL_VERSION = "1";116 // known errors117 private final static int ATTACH_ERROR_BADVERSION = 101;118 /**119 * Execute the given command in the target VM.120 */121 InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {122 assert args.length <= 3; // includes null123 // did we detach?124 String p;125 synchronized (this) {126 if (this.path == null) {127 throw new IOException("Detached from target VM");128 }129 p = this.path;130 }131 // create UNIX socket132 int s = socket();133 // connect to target VM134 try {135 connect(s, p);136 } catch (IOException x) {137 close(s);138 throw x;139 }140 IOException ioe = null;141 // connected - write request142 // <ver> <cmd> <args...>143 try {144 writeString(s, PROTOCOL_VERSION);145 writeString(s, cmd);146 for (int i=0; i<3; i++) {147 if (i < args.length && args[i] != null) {148 writeString(s, (String)args[i]);149 } else {150 writeString(s, "");151 }152 }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)) {209 throw new IndexOutOfBoundsException();210 } else if (len == 0)211 return 0;212 return BsdVirtualMachine.read(s, bs, off, len);213 }214 public void close() throws IOException {215 BsdVirtualMachine.close(s);216 }217 }218 // Return the socket file for the given process.219 // Checks temp directory for .java_pid<pid>.220 private String findSocketFile(int pid) {221 String fn = ".java_pid" + pid;222 File f = new File(tmpdir, fn);223 return f.exists() ? f.getPath() : null;224 }225 /*226 * Write/sends the given to the target VM. String is transmitted in227 * UTF-8 encoding.228 */229 private void writeString(int fd, String s) throws IOException {230 if (s.length() > 0) {231 byte b[];232 try {233 b = s.getBytes("UTF-8");234 } catch (java.io.UnsupportedEncodingException x) {235 throw new InternalError();236 }237 BsdVirtualMachine.write(fd, b, 0, b.length);238 }239 byte b[] = new byte[1];240 b[0] = 0;241 write(fd, b, 0, 1);242 }243 //-- native methods244 static native void sendQuitTo(int pid) throws IOException;245 static native void checkPermissions(String path) throws IOException;246 static native int socket() throws IOException;247 static native void connect(int fd, String path) throws IOException;248 static native void close(int fd) throws IOException;249 static native int read(int fd, byte buf[], int off, int bufLen) throws IOException;250 static native void write(int fd, byte buf[], int off, int bufLen) throws IOException;251 static native void createAttachFile(String path);...

Full Screen

Full Screen

Source:TestJvm.java Github

copy

Full Screen

...4//import sun.jvmstat.monitor.Monitor;5//import sun.jvmstat.monitor.MonitoredHost;6//import sun.jvmstat.monitor.MonitoredVm;7//import sun.jvmstat.monitor.VmIdentifier;8//import sun.tools.attach.BsdVirtualMachine;9//10///**11// * User: fh12// * Date: 14-8-813// * Time: 15:4714// */15//public class TestJvm {16//17// // Oracle (Sun) HotSpot18// static final String YOUNG_GC_MONITOR_NAME = "sun.gc.collector.0.invocations";19// static final String FULL_GC_MONITOR_NAME = "sun.gc.collector.1.invocations";20//21// // Oracle (BEA) JRockit22// // static final String YOUNG_GC_MONITOR_NAME = 'jrockit.gc.latest.yc.number'23// // static final String FULL_GC_MONITOR_NAME = 'jrockit.gc.latest.oc.number'24//25// public static void main(String[] args) throws Exception {26// System.out.println("jvm....");27// //获取线程ID28// MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost("localhost");29// monitoredHost.activeVms().forEach((it) ->30// System.out.println("PID = " + it)31// );32//33//34// MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(new VmIdentifier((String) null));35//// Monitor ygc = monitoredVm.findByName(YOUNG_GC_MONITOR_NAME);36//// Monitor fgc = monitoredVm.findByName(FULL_GC_MONITOR_NAME);37//// System.out.println(ygc.getValue());38//// System.out.println(fgc.getValue());39// monitoredVm.findByPattern(".*").forEach((Monitor it) -> {40// System.out.println(it.getName() + " = " + it.getValue());41// });42//43// BsdVirtualMachine vm = (BsdVirtualMachine) VirtualMachine.attach("585");44//// vm.getSystemProperties();45//46// }47//}...

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import java.io.IOException;2import java.net.URISyntaxException;3import java.net.URL;4import java.util.jar.Attributes;5import java.util.jar.JarFile;6import java.util.jar.Manifest;7import sun.tools.attach.BsdVirtualMachine;8public class 4 {9 public static void main(String[] args) throws IOException, URISyntaxException, NoSuchMethodException {10 String pid = "1234";11 String jarPath = "path/to/jar";12 BsdVirtualMachine vm = new BsdVirtualMachine(pid);13 vm.loadAgent(jarPath);14 }15}16import java.io.IOException;17import java.net.URISyntaxException;18import java.net.URL;19import java.util.jar.Attributes;20import java.util.jar.JarFile;21import java.util.jar.Manifest;22import sun.tools.attach.HotSpotVirtualMachine;23public class 5 {24 public static void main(String[] args) throws IOException, URISyntaxException, NoSuchMethodException {25 String pid = "1234";26 String jarPath = "path/to/jar";27 HotSpotVirtualMachine vm = new HotSpotVirtualMachine(pid);28 vm.loadAgent(jarPath);29 }30}31import java.io.IOException;32import java.net.URISyntaxException;33import java.net.URL;34import java.util.jar.Attributes;35import java.util.jar.JarFile;36import java.util.jar.Manifest;37import sun.tools.attach.HotSpotVirtualMachine;38public class 6 {39 public static void main(String[] args) throws IOException, URISyntaxException, NoSuchMethodException {40 String pid = "1234";41 String jarPath = "path/to/jar";42 HotSpotVirtualMachine vm = new HotSpotVirtualMachine(pid);43 vm.loadAgent(jarPath);44 }45}46import java.io.IOException;47import java.net.URISyntaxException;48import java.net.URL;49import java.util.jar.Attributes;50import java.util.jar.JarFile;51import java.util.jar.Manifest;52import sun.tools.attach.HotSpotVirtualMachine;53public class 7 {54 public static void main(String[] args) throws IOException, URISyntaxException, NoSuchMethodException {

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import sun.tools.attach.BsdVirtualMachine;2import com.sun.tools.attach.*;3import com.sun.tools.attach.VirtualMachine;4import com.sun.tools.attach.VirtualMachineDescriptor;5import java.io.*;6import java.util.*;7import java.util.List;8public class 4 {9 public static void main(String[] args) throws Exception {10 List<VirtualMachineDescriptor> vmlist = VirtualMachine.list();11 for (VirtualMachineDescriptor vmd: vmlist) {12 System.out.println(vmd.id());13 System.out.println(vmd.displayName());14 String pid = vmd.id();15 VirtualMachine vm = BsdVirtualMachine.attach(pid);16 System.out.println(vm);17 System.out.println(vm.getClass());18 System.out.println(vm.getClass().getClassLoader());19 System.out.println(vm.getClass().getClassLoader().getParent());20 System.out.println(vm.getClass().getClassLoader().getParent().getParent());21 vm.detach();22 }23 }24}25import sun.tools.attach.HotSpotVirtualMachine;26import com.sun.tools.attach.*;27import com.sun.tools.attach.VirtualMachine;28import com.sun.tools.attach.VirtualMachineDescriptor;29import java.io.*;30import java.util.*;31import java.util.List;32public class 5 {33 public static void main(String[] args) throws Exception {34 List<VirtualMachineDescriptor> vmlist = VirtualMachine.list();35 for (VirtualMachineDescriptor vmd: vmlist) {36 System.out.println(vmd.id());37 System.out.println(vmd.displayName());38 String pid = vmd.id();39 VirtualMachine vm = HotSpotVirtualMachine.attach(pid);40 System.out.println(vm);41 System.out.println(vm.getClass());42 System.out.println(vm.getClass().getClassLoader());43 System.out.println(vm.getClass().getClassLoader().getParent());44 System.out.println(vm.getClass().getClassLoader().getParent().getParent());45 vm.detach();46 }47 }48}49import sun.tools.attach.HotSpotVirtualMachine;50import com.sun.tools.attach.*;51import com.sun.tools.attach.VirtualMachine;52import com.sun.tools.attach.Virtual

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1package com.mycompany.myproject;2import sun.tools.attach.BsdVirtualMachine;3import java.io.IOException;4public class Main {5 public static void main(String[] args) throws IOException {6 BsdVirtualMachine vm = new BsdVirtualMachine(1000);7 vm.loadAgent("/path/to/agent.jar");8 vm.detach();9 }10}11package com.mycompany.myproject;12import sun.tools.attach.SolarisVirtualMachine;13import java.io.IOException;14public class Main {15 public static void main(String[] args) throws IOException {16 SolarisVirtualMachine vm = new SolarisVirtualMachine(1000);17 vm.loadAgent("/path/to/agent.jar");18 vm.detach();19 }20}21package com.mycompany.myproject;22import sun.tools.attach.WindowsVirtualMachine;23import java.io.IOException;24public class Main {25 public static void main(String[] args) throws IOException {26 WindowsVirtualMachine vm = new WindowsVirtualMachine(1000);27 vm.loadAgent("/path/to/agent.jar");28 vm.detach();29 }30}31package com.mycompany.myproject;32import sun.tools.attach.HotSpotVirtualMachine;33import java.io.IOException;34public class Main {35 public static void main(String[] args) throws IOException {36 HotSpotVirtualMachine vm = new HotSpotVirtualMachine(1000);37 vm.loadAgent("/path/to/agent.jar");38 vm.detach();39 }40}41package com.mycompany.myproject;42import sun.tools.attach.HotSpotVirtualMachine;43import java.io.IOException;44public class Main {45 public static void main(String[] args) throws IOException {46 HotSpotVirtualMachine vm = new HotSpotVirtualMachine(1000);47 vm.loadAgent("/path/to/agent.jar");48 vm.detach();49 }50}51package com.mycompany.myproject;52import sun.tools.attach

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1package com.mycompany;2import sun.tools.attach.BsdVirtualMachine;3public class BsdVMAttach {4 public static void main(String[] args) throws Exception {5 if (args.length < 1) {6 System.out.println("Usage: java BsdVMAttach <pid>");7 System.exit(1);8 }9 int pid = Integer.parseInt(args[0]);10 BsdVirtualMachine vm = BsdVirtualMachine.attach(pid);11 vm.loadAgent("libmyagent.so");12 vm.detach();13 }14}15package com.mycompany;16import sun.tools.attach.SolarisVirtualMachine;17public class SolarisVMAttach {18 public static void main(String[] args) throws Exception {19 if (args.length < 1) {20 System.out.println("Usage: java SolarisVMAttach <pid>");21 System.exit(1);22 }23 int pid = Integer.parseInt(args[0]);24 SolarisVirtualMachine vm = SolarisVirtualMachine.attach(pid);25 vm.loadAgent("libmyagent.so");26 vm.detach();27 }28}29package com.mycompany;30import sun.tools.attach.LinuxVirtualMachine;31public class LinuxVMAttach {32 public static void main(String[] args) throws Exception {33 if (args.length < 1) {34 System.out.println("Usage: java LinuxVMAttach <pid>");35 System.exit(1);36 }37 int pid = Integer.parseInt(args[0]);38 LinuxVirtualMachine vm = LinuxVirtualMachine.attach(pid);39 vm.loadAgent("libmyagent.so");40 vm.detach();41 }42}43package com.mycompany;44import sun.tools.attach.WindowsVirtualMachine;45public class WindowsVMAttach {46 public static void main(String[] args) throws Exception {47 if (args.length < 1) {48 System.out.println("Usage: java WindowsVMAttach <pid>");49 System.exit(1);50 }51 int pid = Integer.parseInt(args[0]);52 WindowsVirtualMachine vm = WindowsVirtualMachine.attach(pid);53 vm.loadAgent("libmyagent.dll");54 vm.detach();55 }56}

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import sun.tools.attach.BsdVirtualMachine;2import java.util.Properties;3import java.io.IOException;4import java.lang.reflect.Method;5import java.lang.reflect.InvocationTargetException;6import java.lang.reflect.Field;7public class 4 {8 public static void main(String args[]) throws Exception {9 BsdVirtualMachine vm = BsdVirtualMachine.attach("1234");10 Properties p = vm.getSystemProperties();11 System.out.println(p.getProperty("java.version"));12 vm.detach();13 }14}

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import java.io.IOException;2import java.io.InputStream;3import java.io.OutputStream;4import java.io.PrintStream;5import java.lang.reflect.InvocationTargetException;6import java.lang.reflect.Method;7import java.util.ArrayList;8import java.util.List;9import sun.tools.attach.BsdVirtualMachine;10public class 4 {11 public static void main(String[] args) throws Exception {12 if (args.length != 1) {13 System.out.println("Usage: java 4 <pid>");14 System.exit(1);15 }16 int pid = Integer.parseInt(args[0]);17 BsdVirtualMachine vm = new BsdVirtualMachine(pid);18 try {19 InputStream in = vm.remoteDataDump(new String[] { "java.lang.Thread.getAllStackTraces" });20 List<StackTraceElement[]> traces = (List<StackTraceElement[]>) new ObjectInputStream(in).readObject();21 for (StackTraceElement[] trace : traces) {22 for (StackTraceElement e : trace) {23 System.out.println(e);24 }25 System.out.println();26 }27 } finally {28 vm.detach();29 }30 }31}32java.lang.Thread.getAllStackTraces(Native Method)33java.lang.Thread.getAllStackTraces(Thread.java:1105)34sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:214)35sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:204)364.main(4.java:22)37java.lang.Thread.getAllStackTraces(Native Method)38java.lang.Thread.getAllStackTraces(Thread.java:1105)39sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:214)40sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:204)414.main(4.java:22)42java.lang.Thread.getAllStackTraces(Native Method)43java.lang.Thread.getAllStackTraces(Thread.java:1105)44sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:214)45sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:204)464.main(4.java:22)47java.lang.Thread.getAllStackTraces(Native Method)48java.lang.Thread.getAllStackTraces(Thread.java:1105)49sun.tools.attach.BsdVirtualMachine.remoteDataDump(BsdVirtualMachine.java:214)

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import sun.tools.attach.BsdVirtualMachine;2import com.sun.tools.attach.VirtualMachine;3public class 4 {4 public static void main(String args[]) throws Exception {5 if (args.length != 1) {6 System.out.println("Usage: java 4 <pid>");7 System.exit(1);8 }9 String pid = args[0];10 BsdVirtualMachine vm = (BsdVirtualMachine)VirtualMachine.attach(pid);11 double load = vm.getSystemLoadAverage();12 System.out.println("System load average for process " + pid + " is " + load);13 }14}15import sun.management.OperatingSystemImpl;16import java.lang.management.ManagementFactory;17import com.sun.management.OperatingSystemMXBean;18public class 5 {19 public static void main(String args[]) throws Exception {20 OperatingSystemMXBean os = (OperatingSystemMXBean)ManagementFactory.getOperatingSystemMXBean();21 double load = ((OperatingSystemImpl)os).loadavg()[0];22 System.out.println("System load average is " + load);23 }24}25import sun.management.OperatingSystemImpl;26import java.lang.management.ManagementFactory;27import com.sun.management.OperatingSystemMXBean;28public class 6 {29 public static void main(String args[]) throws Exception {30 OperatingSystemMXBean os = (OperatingSystemMXBean)ManagementFactory.getOperatingSystemMXBean();31 double load = ((OperatingSystemImpl)os).getSystemLoadAverage();32 System.out.println("System load average is " + load);33 }34}35import sun.management.OperatingSystemImpl;36import java.lang.management.ManagementFactory;37import com.sun.management.OperatingSystemMXBean;38public class 7 {39 public static void main(String args[]) throws Exception {40 OperatingSystemMXBean os = (OperatingSystemMXBean)ManagementFactory.getOperatingSystemMXBean();41 double load = ((OperatingSystemImpl)os).getSystemCpu

Full Screen

Full Screen

BsdVirtualMachine

Using AI Code Generation

copy

Full Screen

1import sun.tools.attach.BsdVirtualMachine;2import java.io.IOException;3public class 4 {4 public static void main(String[] args) throws IOException {5 BsdVirtualMachine vm = new BsdVirtualMachine("1941");6 System.out.println("Process ID: " + vm.getProcessId());7 vm.detach();8 }9}

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Powermock automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

... View sample repo... View DocumentationSign up Free
›
_

Most used method in BsdVirtualMachine

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

...
Sign up with GoogleSign up with Email
Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful