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How to use loadAgentLibrary method of sun.tools.attach.HotSpotVirtualMachine class

Best Powermock code snippet using sun.tools.attach.HotSpotVirtualMachine.loadAgentLibrary

Source:HotSpotVirtualMachine.java

...44     * to the library and thus will not be expanded in the target VM.45     * if isAbsolute is false then the agent library is just a library46     * name and it will be expended in the target VM.47     */48    private void loadAgentLibrary(String agentLibrary, boolean isAbsolute, String options)49        throws AgentLoadException, AgentInitializationException, IOException50    {51        InputStream in = execute("load",52                                 agentLibrary,53                                 isAbsolute ? "true" : "false",54                                 options);55        try {56            int result = readInt(in);57            if (result != 0) {58                throw new AgentInitializationException("Agent_OnAttach failed", result);59            }60        } finally {61            in.close();62        }63    }64    /*65     * Load agent library - library name will be expanded in target VM66     */67    public void loadAgentLibrary(String agentLibrary, String options)68        throws AgentLoadException, AgentInitializationException, IOException69    {70        loadAgentLibrary(agentLibrary, false, options);71    }72    /*73     * Load agent - absolute path of library provided to target VM74     */75    public void loadAgentPath(String agentLibrary, String options)76        throws AgentLoadException, AgentInitializationException, IOException77    {78        loadAgentLibrary(agentLibrary, true, options);79    }80    /*81     * Load JPLIS agent which will load the agent JAR file and invoke82     * the agentmain method.83     */84    public void loadAgent(String agent, String options)85        throws AgentLoadException, AgentInitializationException, IOException86    {87        String args = agent;88        if (options != null) {89            args = args + "=" + options;90        }91        try {92            loadAgentLibrary("instrument", args);93        } catch (AgentLoadException x) {94            throw new InternalError("instrument library is missing in target VM");95        } catch (AgentInitializationException x) {96            /*97             * Translate interesting errors into the right exception and98             * message (FIXME: create a better interface to the instrument99             * implementation so this isn't necessary)100             */101            int rc = x.returnValue();102            switch (rc) {103                case JNI_ENOMEM:104                    throw new AgentLoadException("Insuffient memory");105                case ATTACH_ERROR_BADJAR:106                    throw new AgentLoadException("Agent JAR not found or no Agent-Class attribute");...

loadAgentLibrary

Using AI Code Generation

1import java.io.*;2import java.lang.reflect.*;3import java.util.*;4import java.util.jar.*;5import sun.tools.attach.*;6import com.sun.tools.attach.*;7public class LoadAgentLibrary {8  public static void main(String[] args) throws Exception {9    if (args.length != 2) {10      System.out.println("Usage: java LoadAgentLibrary <pid> <library path>");11      System.exit(1);12    }13    String pid = args[0];14    String libPath = args[1];15    VirtualMachine vm = VirtualMachine.attach(pid);16    vm.loadAgentLibrary("libattachtest", libPath);17    vm.detach();18  }19}20import java.io.*;21import java.lang.reflect.*;22import java.util.*;23import java.util.jar.*;24import sun.tools.attach.*;25import com.sun.tools.attach.*;26public class LoadAgent {27  public static void main(String[] args) throws Exception {28    if (args.length != 2) {29      System.out.println("Usage: java LoadAgent <pid> <agent path>");30      System.exit(1);31    }32    String pid = args[0];33    String agentPath = args[1];34    VirtualMachine vm = VirtualMachine.attach(pid);35    vm.loadAgent(agentPath);

loadAgentLibrary

Using AI Code Generation

1import java.io.File;2import java.lang.reflect.Method;3import sun.tools.attach.HotSpotVirtualMachine;4String pid = ManagementFactory.getRuntimeMXBean().getName().split("@")[0];5String agent = System.getProperty("user.dir") + File.separator + "libagent.so";6HotSpotVirtualMachine vm = (HotSpotVirtualMachine)HotSpotVirtualMachine.attach(pid);7Method loadAgent = vm.getClass().getDeclaredMethod("loadAgentLibrary", String.class, String.class);8loadAgent.setAccessible(true);9loadAgent.invoke(vm, "libagent", agent);10vm.detach();11import java.io.File;12import java.lang.reflect.Method;13import sun.tools.attach.HotSpotVirtualMachine;14String pid = ManagementFactory.getRuntimeMXBean().getName().split("@")[0];15String agent = System.getProperty("user.dir") + File.separator + "agent.jar";16HotSpotVirtualMachine vm = (HotSpotVirtualMachine)HotSpotVirtualMachine.attach(pid);17Method loadAgent = vm.getClass().getDeclaredMethod("loadAgent", String.class);18loadAgent.setAccessible(true);19loadAgent.invoke(vm, agent);20vm.detach();

loadAgentLibrary

Using AI Code Generation

1import java.io.*;2import java.net.*;3import java.util.*;4import java.lang.reflect.*;5import java.util.jar.*;6import java.util.zip.*;7import com.sun.tools.attach.*;8{9    public static void main(String[] args) throws Exception10    {11        String agentJar = args[0];12        String agentClass = args[1];13        String agentLib = args[2];14        String pid = args[3];15        String agentOptions = args[4];16        VirtualMachine vm = VirtualMachine.attach(pid);17        String classpath = vm.getSystemProperties().getProperty("java.class.path");18        String libpath = vm.getSystemProperties().getProperty("java.library.path");19        String pathSeparator = vm.getSystemProperties().getProperty("path.separator");20        File tempDir = new File(System.getProperty("java.io.tmpdir"));21        File tempFile = File.createTempFile("agent", ".jar", tempDir);22        tempFile.deleteOnExit();23        String tempFilePath = tempFile.getAbsolutePath();24        String fileSeparator = vm.getSystemProperties().getProperty("file.separator");25        String tempFileName = tempFile.getName();26        File tempDir2 = new File(System.getProperty("java.io.tmpdir"));27        File tempFile2 = File.createTempFile("agent", ".jar", tempDir2);28        tempFile2.deleteOnExit();29        String tempFilePath2 = tempFile2.getAbsolutePath();

loadAgentLibrary

Using AI Code Generation

1import sun.tools.attach.HotSpotVirtualMachine;2import com.sun.tools.attach.VirtualMachine;3import java.io.File;4import java.io.IOException;5import java.util.List;6import java.util.ArrayList;7import java.util.Collections;8import java.util.Arrays;9import java.util.stream.Collectors;10import java.util.stream.Stream;11import java.util.stream.IntStream;12public class AttachTest {13    public static void main(String[] args) throws Exception {14        if (args.length < 2) {15            System.err.println("Usage: AttachTest <pid> <agentlib>");16            System.exit(1);17        }18        String pid = args[0];19        String agent = args[1];20        System.out.println("Attaching to " + pid + "...");21        VirtualMachine vm = VirtualMachine.attach(pid);22        System.out.println("Attaching to " + pid + "... done");23        System.out.println("Loading agent library " + agent + "...");24        vm.loadAgentLibrary(agent, "");25        System.out.println("Loading agent library " + agent + "... done");26        vm.detach();27    }28}29cbVMInit(jvmtiEnv *jvmti, JNIEnv *env, jthread thread) {30    printf("Hello from cbVMInit31");32}33cbVMDeath(jvmtiEnv *jvmti, JNIEnv *env) {34    printf("Hello from cbVMDeath35");36}37cbThreadStart(jvmtiEnv *jvmti, JNIEnv *env, jthread thread) {38    printf("Hello from cbThreadStart39");40}41cbThreadEnd(jvmti

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