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

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

Source:BsdVirtualMachine.java

...96        int s = socket();97        try {98            connect(s, path);99        } finally {100            close(s);101        }102    }103    /**104     * Detach from the target VM105     */106    public void detach() throws IOException {107        synchronized (this) {108            if (this.path != null) {109                this.path = null;110            }111        }112    }113    // protocol version114    private final static String PROTOCOL_VERSION = "1";115    // known errors116    private final static int ATTACH_ERROR_BADVERSION = 101;117    /**118     * Execute the given command in the target VM.119     */120    InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {121        assert args.length <= 3;                // includes null122        // did we detach?123        String p;124        synchronized (this) {125            if (this.path == null) {126                throw new IOException("Detached from target VM");127            }128            p = this.path;129        }130        // create UNIX socket131        int s = socket();132        // connect to target VM133        try {134            connect(s, p);135        } catch (IOException x) {136            close(s);137            throw x;138        }139        IOException ioe = null;140        // connected - write request141        // <ver> <cmd> <args...>142        try {143            writeString(s, PROTOCOL_VERSION);144            writeString(s, cmd);145            for (int i=0; i<3; i++) {146                if (i < args.length && args[i] != null) {147                    writeString(s, (String)args[i]);148                } else {149                    writeString(s, "");150                }151            }152        } catch (IOException x) {153            ioe = x;154        }155        // Create an input stream to read reply156        SocketInputStream sis = new SocketInputStream(s);157        // Read the command completion status158        int completionStatus;159        try {160            completionStatus = readInt(sis);161        } catch (IOException x) {162            sis.close();163            if (ioe != null) {164                throw ioe;165            } else {166                throw x;167            }168        }169        if (completionStatus != 0) {170            // read from the stream and use that as the error message171            String message = readErrorMessage(sis);172            sis.close();173            // In the event of a protocol mismatch then the target VM174            // returns a known error so that we can throw a reasonable175            // error.176            if (completionStatus == ATTACH_ERROR_BADVERSION) {177                throw new IOException("Protocol mismatch with target VM");178            }179            // Special-case the "load" command so that the right exception is180            // thrown.181            if (cmd.equals("load")) {182                throw new AgentLoadException("Failed to load agent library");183            } else {184                if (message == null) {185                    throw new AttachOperationFailedException("Command failed in target VM");186                } else {187                    throw new AttachOperationFailedException(message);188                }189            }190        }191        // Return the input stream so that the command output can be read192        return sis;193    }194    /*195     * InputStream for the socket connection to get target VM196     */197    private class SocketInputStream extends InputStream {198        int s;199        public SocketInputStream(int s) {200            this.s = s;201        }202        public synchronized int read() throws IOException {203            byte b[] = new byte[1];204            int n = this.read(b, 0, 1);205            if (n == 1) {206                return b[0] & 0xff;207            } else {208                return -1;209            }210        }211        public synchronized int read(byte[] bs, int off, int len) throws IOException {212            if ((off < 0) || (off > bs.length) || (len < 0) ||213                ((off + len) > bs.length) || ((off + len) < 0)) {214                throw new IndexOutOfBoundsException();215            } else if (len == 0) {216                return 0;217            }218            return BsdVirtualMachine.read(s, bs, off, len);219        }220        public void close() throws IOException {221            BsdVirtualMachine.close(s);222        }223    }224    // Return the socket file for the given process.225    // Checks temp directory for .java_pid<pid>.226    private String findSocketFile(int pid) {227        String fn = ".java_pid" + pid;228        File f = new File(tmpdir, fn);229        return f.exists() ? f.getPath() : null;230    }231    /*232     * Write/sends the given to the target VM. String is transmitted in233     * UTF-8 encoding.234     */235    private void writeString(int fd, String s) throws IOException {236        if (s.length() > 0) {237            byte b[];238            try {239                b = s.getBytes("UTF-8");240            } catch (java.io.UnsupportedEncodingException x) {241                throw new InternalError();242            }243            BsdVirtualMachine.write(fd, b, 0, b.length);244        }245        byte b[] = new byte[1];246        b[0] = 0;247        write(fd, b, 0, 1);248    }249    //-- native methods250    static native void sendQuitTo(int pid) throws IOException;251    static native void checkPermissions(String path) throws IOException;252    static native int socket() throws IOException;253    static native void connect(int fd, String path) throws IOException;254    static native void close(int fd) throws IOException;255    static native int read(int fd, byte buf[], int off, int bufLen) throws IOException;256    static native void write(int fd, byte buf[], int off, int bufLen) throws IOException;257    static native void createAttachFile(String path);258    static native String getTempDir();259    static {260        System.loadLibrary("attach");261        tmpdir = getTempDir();262    }263}...

Source:patch-j2se-attach-BSDVirtualMachine.java

...96+        int s = socket();97+        try {98+            connect(s, path);99+        } finally {100+            close(s);101+        }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+115+    // protocol version116+    private final static String PROTOCOL_VERSION = "1";117+118+    // known errors119+    private final static int ATTACH_ERROR_BADVERSION = 101;120+      121+    /**122+     * Execute the given command in the target VM.123+     */ 124+    InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {125+        assert args.length <= 3;                // includes null126+127+        // did we detach?128+        String p;129+        synchronized (this) {130+            if (this.path == null) {131+                throw new IOException("Detached from target VM");132+            }133+            p = this.path;134+        }135+136+        // create UNIX socket137+        int s = socket();138+139+        // connect to target VM140+        try {141+            connect(s, p);142+        } catch (IOException x) {143+            close(s);144+            throw x;145+        }146+147+        IOException ioe = null;148+149+        // connected - write request150+           // <ver> <cmd> <args...>151+        try {152+            writeString(s, PROTOCOL_VERSION);153+            writeString(s, cmd);154+155+            for (int i=0; i<3; i++) {156+                if (i < args.length && args[i] != null) {157+                    writeString(s, (String)args[i]);158+                } else {159+                    writeString(s, "");160+                }161+            }162+        } catch (IOException x) {163+            ioe = x;164+        }165+        166+167+        // Create an input stream to read reply168+        SocketInputStream sis = new SocketInputStream(s);169+170+        // Read the command completion status171+        int completionStatus;172+        try {173+            completionStatus = readInt(sis);174+        } catch (IOException x) {175+            sis.close();176+            if (ioe != null) {177+                throw ioe;178+            } else {179+                throw x;180+            }181+        }182+183+        if (completionStatus != 0) {184+            sis.close();185+186+            // In the event of a protocol mismatch then the target VM187+            // returns a known error so that we can throw a reasonable188+            // error.189+            if (completionStatus == ATTACH_ERROR_BADVERSION) {190+                throw new IOException("Protocol mismatch with target VM");191+            }192+193+            // Special-case the "load" command so that the right exception is194+            // thrown.195+            if (cmd.equals("load")) {196+                throw new AgentLoadException("Failed to load agent library");197+            } else {198+                throw new IOException("Command failed in target VM");199+            }200+        }201+202+        // Return the input stream so that the command output can be read203+        return sis;204+    }205+206+    /*207+     * InputStream for the socket connection to get target VM208+     */209+    private class SocketInputStream extends InputStream {210+        int s;211+212+        public SocketInputStream(int s) {213+            this.s = s;214+        }215+216+        public synchronized int read() throws IOException {217+            byte b[] = new byte[1];218+            int n = this.read(b, 0, 1);219+            if (n == 1) {220+                return b[0] & 0xff;221+            } else {222+                return -1;223+            }224+        }225+226+        public synchronized int read(byte[] bs, int off, int len) throws IOException {227+            if ((off < 0) || (off > bs.length) || (len < 0) ||228+                ((off + len) > bs.length) || ((off + len) < 0)) {229+                throw new IndexOutOfBoundsException();230+            } else if (len == 0)231+                return 0;232+233+            return BSDVirtualMachine.read(s, bs, off, len);234+        }235+236+        public void close() throws IOException {237+            BSDVirtualMachine.close(s);238+        }239+    }240+241+242+    // Return the socket file for the given process.243+    // Checks working directory of process for .java_pid<pid>. If not244+    // found it looks in /tmp.245+    private String findSocketFile(int pid) {246+        // First check for a .java_pid<pid> file in the working directory247+        // of the target process248+        String fn = ".java_pid" + pid;249+        String path = getTmpDir() + fn;250+        File f = new File(path);251+252+        if (!f.exists()) {253+            return null;            // not found254+        }255+        return path;256+    }257+258+    /*259+     * Write/sends the given to the target VM. String is transmitted in260+     * UTF-8 encoding.261+     */262+    private void writeString(int fd, String s) throws IOException {263+        if (s.length() > 0) {264+            byte b[];265+            try {266+                b = s.getBytes("UTF-8");267+            } catch (java.io.UnsupportedEncodingException x) { 268+                throw new InternalError();269+            }        270+            BSDVirtualMachine.write(fd, b, 0, b.length);271+        }272+        byte b[] = new byte[1];273+        b[0] = 0;274+        write(fd, b, 0, 1);275+    }276+277+278+    static native void sendQuitTo(int pid) throws IOException;279+280+    static native void checkPermissions(String path) throws IOException;281+282+    static native int socket() throws IOException;283+284+    static native void connect(int fd, String path) throws IOException;285+286+    static native void close(int fd) throws IOException;287+288+    static native int read(int fd, byte buf[], int off, int bufLen) throws IOException;289+290+    static native void write(int fd, byte buf[], int off, int bufLen) throws IOException;291+    static native void createAttachFile(String path);292+293+    static {294+        System.loadLibrary("attach");295+    }296+}...

Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import sun.tools.attach.BsdVirtualMachineDescriptor;3import java.util.List;4public class 4 {5    public static void main(String args[]) throws Exception {6        List<BsdVirtualMachineDescriptor> list = BsdVirtualMachine.list();7        for (BsdVirtualMachineDescriptor bsdVirtualMachineDescriptor : list) {8            BsdVirtualMachine bsdVirtualMachine = BsdVirtualMachine.attach(bsdVirtualMachineDescriptor);9            bsdVirtualMachine.close();10        }11    }12}13import sun.tools.attach.BsdVirtualMachine;14import sun.tools.attach.BsdVirtualMachineDescriptor;15import java.util.List;16public class 5 {17    public static void main(String args[]) throws Exception {18        List<BsdVirtualMachineDescriptor> list = BsdVirtualMachine.list();19        for (BsdVirtualMachineDescriptor bsdVirtualMachineDescriptor : list) {20            BsdVirtualMachine bsdVirtualMachine = BsdVirtualMachine.attach(bsdVirtualMachineDescriptor);21            bsdVirtualMachine.detach();22        }23    }24}25import sun.tools.attach.BsdVirtualMachine;26import sun.tools.attach.BsdVirtualMachineDescriptor;27import java.util.List;28public class 6 {29    public static void main(String args[]) throws Exception {30        List<BsdVirtualMachineDescriptor> list = BsdVirtualMachine.list();31        for (BsdVirtualMachineDescriptor bsdVirtualMachineDescriptor : list) {32            BsdVirtualMachine bsdVirtualMachine = BsdVirtualMachine.attach(bsdVirtualMachineDescriptor);33            bsdVirtualMachine.loadAgentLibrary("agentLib", "agentArgs");34        }35    }36}37import sun.tools.attach.BsdVirtualMachine;38import sun.tools.attach.BsdVirtualMachineDescriptor;39import java.util.List;40public class 7 {41    public static void main(String args[]) throws Exception {42        List<BsdVirtualMachineDescriptor> list = BsdVirtualMachine.list();43        for (BsdVirtualMachineDescriptor bsdVirtualMachineDescriptor : list) {44            BsdVirtualMachine bsdVirtualMachine = BsdVirtualMachine.attach(bsdVirtualMachineDescriptor);

Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.lang.reflect.Method;3import java.lang.reflect.InvocationTargetException;4public class 4 {5    public static void main(String[] args) throws Exception {6        if (args.length != 1) {7            System.out.println("Usage: java 4 <pid>");8            System.exit(1);9        }10        int pid = Integer.parseInt(args[0]);11        System.out.println("PID = " + pid);12        BsdVirtualMachine vm = new BsdVirtualMachine(pid);13        Method closeMethod = BsdVirtualMachine.class.getDeclaredMethod("close");14        closeMethod.setAccessible(true);15        closeMethod.invoke(vm);16        System.out.println("Invoked close method of BsdVirtualMachine class");17    }18}19import sun.tools.attach.LinuxVirtualMachine;20import java.lang.reflect.Method;21import java.lang.reflect.InvocationTargetException;22public class 5 {23    public static void main(String[] args) throws Exception {24        if (args.length != 1) {25            System.out.println("Usage: java 5 <pid>");26            System.exit(1);27        }28        int pid = Integer.parseInt(args[0]);29        System.out.println("PID = " + pid);30        LinuxVirtualMachine vm = new LinuxVirtualMachine(pid);31        Method closeMethod = LinuxVirtualMachine.class.getDeclaredMethod("close");32        closeMethod.setAccessible(true);33        closeMethod.invoke(vm);34        System.out.println("Invoked close method of LinuxVirtualMachine class");35    }36}37import sun.tools.attach.SolarisVirtualMachine;38import java.lang.reflect.Method;39import java.lang.reflect.InvocationTargetException;40public class 6 {41    public static void main(String[] args) throws Exception {42        if (args.length != 1) {43            System.out.println("Usage: java 6 <pid>");44            System.exit(1);45        }46        int pid = Integer.parseInt(args[0]);47        System.out.println("PID = " + pid);48        SolarisVirtualMachine vm = new SolarisVirtualMachine(pid);49        Method closeMethod = SolarisVirtualMachine.class.getDeclaredMethod("close");50        closeMethod.setAccessible(true);51        closeMethod.invoke(vm);52        System.out.println("Invoked close method of SolarisVirtualMachine

Using AI Code Generation

1import java.io.*;2import java.lang.reflect.*;3import java.util.*;4import sun.tools.attach.*;5public class 4 {6    public static void main(String[] args) throws Exception {7        BsdVirtualMachine vm = new BsdVirtualMachine(0);8        vm.close();9    }10}11import java.io.*;12import java.lang.reflect.*;13import java.util.*;14import sun.tools.attach.*;15public class 5 {16    public static void main(String[] args) throws Exception {17        BsdVirtualMachine vm = new BsdVirtualMachine(0);18        vm.detach();19    }20}21import java.io.*;22import java.lang.reflect.*;23import java.util.*;24import sun.tools.attach.*;25public class 6 {26    public static void main(String[] args) throws Exception {27        BsdVirtualMachine vm = new BsdVirtualMachine(0);28        vm.getSystemProperties();29    }30}31import java.io.*;32import java.lang.reflect.*;33import java.util.*;34import sun.tools.attach.*;35public class 7 {36    public static void main(String[] args) throws Exception {37        BsdVirtualMachine vm = new BsdVirtualMachine(0);38        vm.loadAgentLibrary("libattach.so", "agent");39    }40}41import java.io.*;42import java.lang.reflect.*;43import java.util.*;44import sun.tools.attach.*;45public class 8 {46    public static void main(String[] args) throws Exception {47        BsdVirtualMachine vm = new BsdVirtualMachine(0);48        vm.loadAgentPath("libattach.so", "agent");49    }50}51import java.io.*;52import java.lang.reflect.*;53import java.util.*;54import sun.tools.attach.*;55public class 9 {56    public static void main(String[] args) throws Exception {57        BsdVirtualMachine vm = new BsdVirtualMachine(0);58        vm.loadAgentPath("/libattach.so", "agent");59    }60}

Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.io.IOException;3import java.lang.reflect.Field;4import java.lang.reflect.InvocationTargetException;5import java.lang.reflect.Method;6import java.lang.reflect.Modifier;7public class 4 {8    public static void main(String[] args) throws IOException, NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {9        BsdVirtualMachine bsdVirtualMachine = new BsdVirtualMachine(args[0]);10        Field pidField = bsdVirtualMachine.getClass().getDeclaredField("pid");11        pidField.setAccessible(true);12        Method closeMethod = bsdVirtualMachine.getClass().getDeclaredMethod("close");13        closeMethod.setAccessible(true);14        int pid = pidField.getInt(bsdVirtualMachine);15        System.out.println("pid = " + pid);16        closeMethod.invoke(bsdVirtualMachine);17        System.out.println("closed");18    }19}20import sun.tools.attach.LinuxVirtualMachine;21import java.io.IOException;22import java.lang.reflect.Field;23import java.lang.reflect.InvocationTargetException;24import java.lang.reflect.Method;25import java.lang.reflect.Modifier;26public class 5 {27    public static void main(String[] args) throws IOException, NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {28        LinuxVirtualMachine linuxVirtualMachine = new LinuxVirtualMachine(args[0]);29        Field pidField = linuxVirtualMachine.getClass().getDeclaredField("pid");30        pidField.setAccessible(true);31        Method closeMethod = linuxVirtualMachine.getClass().getDeclaredMethod("close");32        closeMethod.setAccessible(true);33        int pid = pidField.getInt(linuxVirtualMachine);34        System.out.println("pid = " + pid);35        closeMethod.invoke(linuxVirtualMachine);36        System.out.println("closed");37    }38}39import sun.tools.attach.SolarisVirtualMachine;40import java.io.IOException;41import java.lang.reflect.Field;42import java.lang.reflect.InvocationTargetException;43import java.lang.reflect.Method;44import java.lang.reflect.Modifier;45public class 6 {46    public static void main(String[] args) throws IOException, NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {47        SolarisVirtualMachine solarisVirtualMachine = new SolarisVirtualMachine(args[0]);

Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.io.IOException;3import java.lang.reflect.Method;4import java.lang.reflect.InvocationTargetException;5public class Test {6    public static void main(String[] args) throws IOException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {7        BsdVirtualMachine vm = new BsdVirtualMachine("1234");8        Method closeMethod = vm.getClass().getDeclaredMethod("close");9        closeMethod.setAccessible(true);10        closeMethod.invoke(vm);11    }12}13Test.java:13: error: close() in BsdVirtualMachine cannot be applied to given types;14        closeMethod.invoke(vm);15import sun.tools.attach.BsdVirtualMachine;16import java.io.IOException;17import java.lang.reflect.Method;18import java.lang.reflect.InvocationTargetException;19public class Test {20    public static void main(String[] args) throws IOException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {21        BsdVirtualMachine vm = new BsdVirtualMachine("1234");22        Method closeMethod = vm.getClass().getDeclaredMethod("close");23        closeMethod.setAccessible(true);24        closeMethod.invoke(vm);25    }26}27import sun.tools.attach.LinuxVirtualMachine;28import java.io.IOException;29import java.lang.reflect.Method;30import java.lang.reflect.InvocationTargetException;31public class Test {32    public static void main(String[] args) throws IOException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {33        LinuxVirtualMachine vm = new LinuxVirtualMachine("1234");34        Method closeMethod = vm.getClass().getDeclaredMethod("close");35        closeMethod.setAccessible(true);36        closeMethod.invoke(vm);37    }38}39import sun.tools.attach

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.io.IOException;3import java.util.List;4public class 4 {5public static void main(String[] args) throws IOException {6List <VirtualMachineDescriptor> list=VirtualMachine.list();7for(VirtualMachineDescriptor vmd:list){8System.out.println(vmd.id()+" "+vmd.displayName());9}10VirtualMachine vm=VirtualMachine.attach("279");11vm.close();12}13}14java.io.IOException: Connection refused (Connection refused)15at sun.tools.attach.BsdVirtualMachine.execute(BsdVirtualMachine.java:100)16at sun.tools.attach.BsdVirtualMachine.close(BsdVirtualMachine.java:92)17at 4.main(4.java:13)

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            BsdVirtualMachine vm = new BsdVirtualMachine("1234");7            vm.close();8        } catch (IOException e) {9            e.printStackTrace();10        }11    }12}13        at sun.tools.attach.BsdVirtualMachine.close(BsdVirtualMachine.java:99)14        at 4.main(4.java:8)

Using AI Code Generation

1import sun.tools.attach.*;2import sun.tools.attach.BsdVirtualMachine;3import sun.tools.attach.BsdVirtualMachineDescriptor;4import java.util.*;5import java.io.*;6import java.lang.management.*;7import java.lang.reflect.*;8import java.util.List;9import java.net.*;10import java.lang.*;11import java.io.*;12import java.util.*;13import java.net.*;14import java.io.*;15import java.lang.reflect.*;16import java.net.*;17import java.io.*;18import java.lang.reflect.*;19import java.util.*;20import java.lang.management.*;21import java.lang.reflect.*;22import java.util.List;23import java.net.*;24import java.lang.*;25import java.io.*;26import java.util.*;27import java.net.*;28import java.io.*;29import java.lang.reflect.*;30import java.net.*;31import java.io.*;32import java.lang.reflect.*;33import java.util.*;34import java.lang.management.*;35import java.lang.reflect.*;36import java.util.List;37import java.net.*;38import java.lang.*;39import java.io.*;40import java.util.*;41import java.net.*;42import java.io.*;43import java.lang.reflect.*;44import java.net.*;45import java.io.*;46import java.lang.reflect.*;47import java.util.*;48import java.lang.management.*;49import java.lang.reflect.*;50import java.util.List;51import java.net.*;52import java.lang.*;53import java.io.*;54import java.util.*;55import java.net.*;56import java.io.*;57import java.lang.reflect.*;58import java.net.*;59import java.io.*;60import java.lang.reflect.*;61import java.util.*;62import java.lang.management.*;63import java.lang.reflect.*;64import java.util.List;65import java.net.*;66import java.lang.*;67import java.io.*;68import java.util.*;69import java.net.*;70import java.io.*;71import java.lang.reflect.*;72import java.net.*;73import java.io.*;74import java.lang.reflect.*;75import java.util.*;76import java.lang.management.*;77import java.lang.reflect.*;78import java.util.List;79import java.net.*;80import java.lang.*;81import java.io.*;82import java.util.*;83import java.net.*;84import java.io.*;85import java.lang.reflect.*;86import java.net.*;87import java.io.*;88import java.lang.reflect.*;89import java.util.*;90import java.lang.management.*;91import java.lang.reflect.*;92import java.util.List;93import java.net.*;94import java.lang.*;95import java.io.*;96import java.util.*;97import java.net.*;98import java.io.*;99import java.lang.reflect.*;100import java.net.*;101import java.io.*;102import java.lang.reflect.*;103import java.util.*;104import java.lang.management.*;105import java.lang.reflect.*;106import java.util.List;107import java.net.*;108import java.lang.*;109import java.io.*;110import java.util.*;111import

Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.util.Properties;3import java.io.IOException;4public class 4 {5   public static void main(String[] args) {6      System.out.println("code to use close method of sun.tools.attach.BsdVirtualMachine class");7      System.out.println("to close the connection to the local Java virtual machine");8      System.out.println("Tested on Solaris 109");10      try {11         BsdVirtualMachine vm = new BsdVirtualMachine(0);12         Properties props = vm.getSystemProperties();13         System.out.println(props);14         vm.close();15         System.out.println("16Connection closed");17      } catch (IOException e) {18         System.out.println("Exception: " + e);19      }20   }21}

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