+++ /dev/null
-/*
- * Contains all the native methods related to Process, Host and Task.
- *
- * Copyright 2006,2007,2010 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 simgrid.msg;
-
-/* FIXME: split into internal classes of Msg, Task, Host etc. */
-
-/**
- * Contains all the native methods related to Process, Host and Task.
- */
-final class MsgNative {
-
-
- final static native
- void selectContextFactory(String name) throws NativeException;
-
- /******************************************************************
- * The natively implemented methods connected to the MSG Process *
- ******************************************************************/
-
- /**
- * The natively implemented method to create an MSG process.
- *
- * @param process The java process object to bind with the MSG native process.
- * @param host A valid (binded) host where create the process.
- *
- * @see Process constructors.
- */
- final static native
- void processCreate(Process process, Host host);
-
- /**
- * The natively implemented method to kill all the process of the simulation.
- *
- * @param resetPID Should we reset the PID numbers. A negative number means no reset
- * and a positive number will be used to set the PID of the next newly
- * created process.
- *
- * @return The function returns the PID of the next created process.
- */
- final static native int processKillAll(int resetPID);
-
- /**
- * The natively implemented method to suspend an MSG process.
- *
- * @param process The valid (binded with a native process) java process to suspend.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.pause()
- */
- final static native void processSuspend(Process process) throws NativeException;
-
- /**
- * The natively implemented method to kill a MSG process.
- *
- * @param process The valid (binded with a native process) java process to kill.
- *
- * @see Process.kill()
- */
- final static native void processKill(Process process);
-
- /**
- * The natively implemented method to resume a suspended MSG process.
- *
- * @param process The valid (binded with a native process) java process to resume.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.restart()
- */
- final static native void processResume(Process process) throws NativeException;
-
- /**
- * The natively implemented method to test if MSG process is suspended.
- *
- * @param process The valid (binded with a native process) java process to test.
- *
- * @return If the process is suspended the method retuns true. Otherwise the
- * method returns false.
- *
- * @see Process.isSuspended()
- */
- final static native boolean processIsSuspended(Process process);
-
- /**
- * The natively implemented method to get the host of a MSG process.
- *
- * @param process The valid (binded with a native process) java process to get the host.
- *
- * @return The method returns the host where the process is running.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.getHost()
- */
- final static native Host processGetHost(Process process) throws NativeException;
-
- /**
- * The natively implemented method to get a MSG process from his PID.
- *
- * @param PID The PID of the process to get.
- *
- * @return The process with the specified PID.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.getFromPID()
- */
- final static native Process processFromPID(int PID) throws NativeException;
-
- /**
- * The natively implemented method to get the PID of a MSG process.
- *
- * @param process The valid (binded with a native process) java process to get the PID.
- *
- * @return The PID of the specified process.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.getPID()
- */
- final static native int processGetPID(Process process) throws NativeException;
-
- /**
- * The natively implemented method to get the PPID of a MSG process.
- *
- * @param process The valid (binded with a native process) java process to get the PID.
- *
- * @return The PPID of the specified process.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.getPPID()
- */
- final static native int processGetPPID(Process process) throws NativeException;
-
- /**
- * The natively implemented method to get the current running process.
- *
- * @return The current process.
- *
- * @exception NativeException if the SimGrid native code failed.
-
- * @see Process.currentProcess()
- */
- final static native Process processSelf() throws NativeException;
-
- /**
- * The natively implemented method to migrate a process from his currnet host to a new host.
- *
- * @param process The (valid) process to migrate.
- * @param host A (valid) host where move the process.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.migrate()
- * @see Host.getByName()
- */
- final static native void processChangeHost(Process process, Host host) throws NativeException;
-
- /**
- * The natively implemented native to request the current process to sleep
- * until time seconds have elapsed.
- *
- * @param seconds The time the current process must sleep.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Process.waitFor()
- */
- final static native void processWaitFor(double seconds) throws NativeException;
-
- /**
- * The natively implemented native method to exit a process.
- *
- * @see Process.exit()
- */
- final static native void processExit(Process process);
-
-
- /******************************************************************
- * The natively implemented methods connected to the MSG host *
- ******************************************************************/
-
- /**
- * The natively implemented method to get an host from his name.
- *
- * @param name The name of the host to get.
- *
- * @return The host having the specified name.
- *
- * @exception HostNotFoundException if there is no such host
- * NativeException if the SimGrid native code failed.
- *
- * @see Host.getByName()
- */
- final static native Host hostGetByName(String name) throws HostNotFoundException, NativeException;
-
- /**
- * The natively implemented method to get the name of an MSG host.
- *
- * @param host The host (valid) to get the name.
- *
- * @return The name of the specified host.
- *
- * @see Host.getName()
- */
- final static native String hostGetName(Host host);
-
- /**
- * The natively implemented method to get the number of hosts of the simulation.
- *
- * @return The number of hosts of the simulation.
- *
- * @see Host.getNumber()
- */
- final static native int hostGetCount();
-
- /**
- * The natively implemented method to get the host of the current runing process.
- *
- * @return The host of the current running process.
- *
- * @see Host.currentHost()
- */
- final static native Host hostSelf();
-
- /**
- * The natively implemented method to get the speed of a MSG host.
- *
- * @param host The host to get the host.
- *
- * @return The speed of the specified host.
- *
- * @see Host.getSpeed()
- */
-
- final static native double hostGetSpeed(Host host);
-
- /**
- * The natively implemented native method to test if an host is avail.
- *
- * @param host The host to test.
- *
- * @return If the host is avail the method returns true.
- * Otherwise the method returns false.
- *
- * @see Host.isAvail()
- */
- final static native boolean hostIsAvail(Host host);
-
- /**
- * The natively implemented native method to get all the hosts of the simulation.
- *
- * @return A array which contains all the hosts of simulation.
- */
-
- final static native Host[] allHosts();
-
- /**
- * The natively implemented native method to get the number of running tasks on a host.
- *
- * @param The host concerned by the operation.
- *
- * @return The number of running tasks.
- */
- final static native int hostGetLoad(Host host);
-
- /******************************************************************
- * The natively implemented methods connected to the MSG task *
- ******************************************************************/
-
- /**
- * The natively implemented method to create a MSG task.
- *
- * @param name The name of th task.
- * @param computeDuration A value of the processing amount (in flop) needed
- * to process the task. If 0, then it cannot be executed
- * with the execute() method. This value has to be >= 0.
- * @param messageSize A value of amount of data (in bytes) needed to transfert
- * this task. If 0, then it cannot be transfered this task.
- * If 0, then it cannot be transfered with the get() and put()
- * methods. This value has to be >= 0.
- * @param task The java task object to bind with the native task to create.
- *
- * @exception IllegalArgumentException if compute duration <0 or message size <0
- *
- * @see Task.create()
- */
- final static native void taskCreate(Task task, String name,
- double computeDuration,
- double messageSize)
- throws IllegalArgumentException;
-
- /**
- * The natively implemented method to get the sender of a task.
- *
- * @param task The task (valid) to get the sender.
- *
- * @return The sender of the task.
- *
- * @see Task.getSender()
- */
- final static native Process taskGetSender(Task task);
-
- /**
- * The natively implementd method to get the source of a task.
- *
- * @param task The task to get the source.
- *
- * @return The source of the task.
- *
- * @exception NativeException if the SimGrid native code failed.
- *
- * @see Task.getSource()
- */
- final static native Host taskGetSource(Task task) throws NativeException;
-
- /**
- * The natively implemented method to get the name of the task.
- *
- * @param task The task to get the name.
- *
- * @return The name of the specified task.
- *
- * @see Task.getName()
- */
- final static native String taskGetName(Task task);
-
- /**
- * The natively implemented method to cancel a task.
- *
- * @param task The task to cancel.
- *
- * @exception NativeException if the cancellation failed.
- *
- * @see Task.cancel().
- */
- final static native void taskCancel(Task task) throws NativeException;
-
- /**
- * The natively implemented method to create a MSG parallel task.
- *
- * @param name The name of the parallel task.
- * @param hosts The list of hosts implied by the parallel task.
- * @param computeDurations The total number of operations that have to be performed
- * on the hosts.
- * @param messageSizes An array of doubles
- *
- * @see ParallelTask.create()
- */
- final static native void parallelTaskCreate(Task pTask, String name,
- Host[]hosts,
- double[]computeDurations,
- double[]messageSizes)
- throws NullPointerException, IllegalArgumentException;
-
- /**
- * The natively implemented method to get the computing amount of the task.
- *
- * @param task The task to get the computing amount.
- *
- * @return The computing amount of the specified task.
- *
- * @see Task.getComputeDuration()
- */
- final static native double taskGetComputeDuration(Task task);
-
- /**
- * The natively implemented method to get the remaining computation
- *
- * @param task The task to get the remaining computation.
- *
- * @return The remaining computation of the specified task.
- *
- * @see Task.getRemainingDuration()
- */
- final static native double taskGetRemainingDuration(Task task);
-
- /**
- * The natively implemented method to set the priority of a task.
- *
- * @param task The task to set the priority
- *
- * @param priority The new priority of the specified task.
- *
- * @see Task.setPriority()
- */
- final static native void taskSetPriority(Task task, double priority);
-
- /**
- * The natively implemented method to destroy a MSG task.
- *
- * @param The task to destroy.
- *
- * @exception NativeException on error in the C world
- *
- * @see Task.destroy()
- */
- final static native void taskDestroy(Task task) throws NativeException;
-
- /**
- * The natively implemented method to execute a MSG task.
- *
- * @param task The task to execute.
- *
- * @exception NativeException on error in the C world
- *
- * @see Task.execute()
- */
- final static native void taskExecute(Task task) throws NativeException;
-
-
-
- /* ****************************************************************
- * Communication methods thru mailboxes *
- **************************************************************** */
-
-
- final static native void taskSend(String alias, Task task, double timeout) throws TransferFailureException,HostFailureException,NativeException;
- final static native Task taskReceive(String alias, double timeout, Host host) throws NativeException;
- final static native int taskListenFrom(String alias) throws NativeException;
- final static native boolean taskListen(String alias);
- final static native int taskListenFromHost(String alias, Host host);
-
- /* ***************************************************************
- * Task sending methods *
- *************************************************************** */
-
- /**
- * The natively implemented method to send a task in a mailbox associated with an alias, with a bounded transmition
- * rate.
- *
- * @param alias The alias of the mailbox.
- * @param task The task to put.
- * @param max_rate The bounded transmition rate.
- *
- * @exception NativeException on error in the C world
- */
- final static native void taskSendBounded(String alias, Task task, double maxrate) throws NativeException;
-
-}
