+++ /dev/null
-/*
- * JNI interface to Cloud interface in Simgrid
- *
- * Copyright (c) 2006-2013. The SimGrid Team.
- * All right reserved.
- *
- * This program is free software; you can redistribute
- * it and/or modify it under the terms of the license
- * (GNU LGPL) which comes with this package.
- */
-package org.simgrid.msg;
-
-import org.simgrid.msg.Host;
-import org.simgrid.msg.Process;
-
-public class VM {
- /**
- * This attribute represents a bind between a java task object and
- * a native task. Even if this attribute is public you must never
- * access to it. It is set automatically during the build of the object.
- */
- private long bind = 0;
-
- private int coreAmount;
-
- private String name;
- /**
- * Create a new empty VM.
- * NOTE: it is expected that in the future, the coreAmount parameter will be used
- * to add extra constraints on the execution, but the argument is ignored for now.
- */
- public VM(Host host, String name, int coreAmount) {
- this.coreAmount = coreAmount;
- this.name = name;
- start(host,name,coreAmount);
- }
- protected void finalize() {
- destroy();
- }
- /**
- * Destroy the VM
- */
- protected native void destroy();
- /**
- * Natively implemented method starting the VM.
- * @param coreAmount
- */
- private native void start(Host host, String name, int coreAmount);
-
- /** Returns whether the given VM is currently suspended
- */
- public native boolean isSuspended();
- /** Returns whether the given VM is currently running
- */
- public native boolean isRunning();
- /** Add the given process into the VM.
- * Afterward, when the VM is migrated or suspended or whatever, the process will have the corresponding handling, too.
- */
- public native void bind(Process process);
- /** Removes the given process from the given VM, and kill it
- * Will raise a ProcessNotFound exception if the process were not bound to that VM
- */
- public native void unbind(Process process);
- /** Immediately change the host on which all processes are running
- *
- * No migration cost occurs. If you want to simulate this too, you want to use a
- * Task.send() before or after, depending on whether you want to do cold or hot
- * migration.
- */
- public native void migrate(Host destination);
- /** Immediately suspend the execution of all processes within the given VM
- *
- * No suspension cost occurs. If you want to simulate this too, you want to
- * use a \ref File.write() before or after, depending on the exact semantic
- * of VM suspend to you.
- */
- public native void suspend();
- /** Immediately resumes the execution of all processes within the given VM
- *
- * No resume cost occurs. If you want to simulate this too, you want to
- * use a \ref File.read() before or after, depending on the exact semantic
- * of VM resume to you.
- */
- public native void resume();
- /**
- * Immediately kills all processes within the given VM. Any memory that they allocated will be leaked.
- * No extra delay occurs. If you want to simulate this too, you want to use a MSG_process_sleep() or something
- */
- public native void shutdown();
- /**
- * Reboot the VM, restarting all the processes in it.
- */
- public native void reboot();
-
- public String getName() {
- return name;
- }
-
- /**
- * Class initializer, to initialize various JNI stuff
- */
- public static native void nativeInit();
- static {
- nativeInit();
- }
-}
