--- /dev/null
+/*
+ * simgrid.msg.Msg.java 1.00 07/05/01
+ *
+ * Copyright 2006,2007 Martin Quinson, Malek Cherier
+ * 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;
+
+import java.lang.*;
+import org.xml.sax.*;
+import org.xml.sax.helpers.*;
+
+/**
+ * MSG was the first distributed programming environment
+ * provided within SimGrid. While almost realistic, it
+ * remains quite simple.
+ * This class contains all the declaration of the natives methods
+ * of the MSG API.
+ * All of these methods are statics. You can't directly use these methods
+ * but it is recommanded to use the classes Process, Host, Task and ParallelTask
+ * of the package to build your application.
+ *
+ * @author Abdelmalek Cherier
+ * @author Martin Quinson
+ * @version 1.00, 07/05/01
+ * @see Host
+ * @see Process
+ * @see Task
+ * @see ParallelTask
+ * @since SimGrid 3.3
+ * @since JDK1.5011
+ */
+public final class Msg {
+ /**
+ * The natively implemented method to get the last error code of the simulation.
+ *
+ * @return The last error code of the simulation.
+ */
+ public final static native int getErrCode();
+
+ /**
+ * Errors returned by the method Msg.getErrCode().
+ */
+
+ /* Everything is right. Keep on goin the way !
+ *
+ */
+ public static final int SUCCESS = 0;
+
+ /* Something must be not perfectly clean. But I
+ * may be paranoid freak... !
+ */
+ public static final int WARNING = 1;
+
+ /* There has been a problem during you task treansfer.
+ * Either the network is down or the remote host has
+ * been shutdown.
+ */
+ public static final int TRANSFERT_FAILURE = 2;
+
+ /**
+ * System shutdown. The host on which you are running
+ * has just been rebooted. Free your datastructures and
+ * return now !
+ */
+ public static final int HOST_FAILURE = 3;
+
+ /**
+ * Cancelled task. This task has been cancelled by somebody !
+ */
+ public static final int TASK_CANCELLLED = 4;
+
+ /**
+ * You've done something wrong. You'd better look at it...
+ */
+ public static final int FATAL_ERROR = 5;
+
+ /**
+ * Staticaly load the SIMGRID4JAVA library
+ * which contains all native functions used in here
+ */
+ static {
+ try {
+ System.loadLibrary("simgrid4java");
+ } catch(UnsatisfiedLinkError e){
+ System.err.println("Cannot load simgrid4java library : ");
+ e.printStackTrace();
+ System.err.println("Please check your LD_LIBRARY_PATH, "+
+ "or copy the library to the current directory");
+ System.exit(1);
+ }
+ }
+
+ /******************************************************************
+ * 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.
+ *
+ * @exception simgrid.msg.JniException if JNI stuff goes wrong.
+ *
+ * @see Process constructors.
+ */
+ public final static native
+ void processCreate(Process process, Host host) throws JniException;
+
+ /**
+ * 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.
+ */
+ public 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 JniException if something goes wrong with JNI
+ * NativeException if the SimGrid native code failed.
+ *
+ * @see Process.pause()
+ */
+ public final static native void processSuspend(Process process)
+ throws JniException, 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()
+ */
+ public final static native void processKill(Process process)
+ throws JniException;
+
+ /**
+ * The natively implemented method to resume a suspended MSG process.
+ *
+ * @param process The valid (binded with a native process) java process to resume.
+ *
+ * @exception JniException if something goes wrong with JNI
+ * NativeException if the SimGrid native code failed.
+ *
+ * @see Process.restart()
+ */
+ public final static native void processResume(Process process)
+ throws JniException, 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.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Process.isSuspended()
+ */
+ public final static native boolean processIsSuspended(Process process) throws JniException;
+
+ /**
+ * 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 JniException if something goes wrong with JNI
+ * NativeException if the SimGrid native code failed.
+ *
+ * @see Process.getHost()
+ */
+ public final static native Host processGetHost(Process process)
+ throws JniException, 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()
+ */
+ public 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()
+ */
+ public 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()
+ */
+ public 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()
+ */
+ public final static native Process processSelf() throws NativeException;
+
+ /**
+ * The natively implemented method to get the current running process PID.
+ *
+ * @return The PID of the current process.
+ *
+ * @see Process.currentProcessPID()
+ */
+ public final static native int processSelfPID();
+
+ /**
+ * The natively implemented method to get the current running process PPID.
+ *
+ * @return The PPID of the current process.
+ *
+ * @see Process.currentProcessPPID()
+ */
+ public final static native int processSelfPPID();
+
+ /**
+ * 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 JniException if something goes wrong with JNI
+ * NativeException if the SimGrid native code failed.
+ *
+ * @see Process.migrate()
+ * @see Host.getByName()
+ */
+ public final static native void processChangeHost(Process process,Host host)
+ throws JniException, NativeException;
+
+ /**
+ * Process synchronization. The process wait the signal of the simulator to start.
+ *
+ * @exception JniException if something goes wrong with JNI
+ */
+ public final static native void waitSignal(Process process) throws JniException;
+
+ /**
+ * 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()
+ */
+ public final static native void processWaitFor(double seconds) throws NativeException;
+
+ /**
+ * The natively implemented native method to exit a process.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Process.exit()
+ */
+ public final static native void processExit(Process process) throws JniException;
+
+
+ /******************************************************************
+ * 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 JniException if something goes wrong with JNI
+ * HostNotFoundException if there is no such host
+ * NativeException if the SimGrid native code failed.
+ *
+ * @see Host.getByName()
+ */
+ public final static native Host hostGetByName(String name)
+ throws JniException, 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.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Host.getName()
+ */
+ public final static native String hostGetName(Host host) throws JniException;
+
+ /**
+ * The natively implemented method to get the number of hosts of the simulation.
+ *
+ * @return The number of hosts of the simulation.
+ *
+ * @see Host.getNumber()
+ */
+ public final static native int hostGetNumber();
+
+ /**
+ * The natively implemented method to get the host of the current runing process.
+ *
+ * @return The host of the current running process.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Host.currentHost()
+ */
+ public final static native Host hostSelf() throws JniException;
+
+ /**
+ * 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.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Host.getSpeed()
+ */
+
+ public final static native double hostGetSpeed(Host host) throws JniException;
+
+ /**
+ * 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.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @see Host.isAvail()
+ */
+ public final static native boolean hostIsAvail(Host host) throws JniException;
+
+ /**
+ * The natively implemented native method to get all the hosts of the simulation.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ * @return A array which contains all the hosts of simulation.
+ */
+
+ public final static native Host[] allHosts() throws JniException;
+
+ /**
+ * 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.
+ *
+ * @exception JniException if something goes wrong with JNI
+ *
+ */
+ public final static native int hostGetLoad(Host host) throws JniException;
+
+ /******************************************************************
+ * 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 JniException if something goes wrong with JNI
+ * NullPointerException if the specified name is null.
+ * IllegalArgumentException if compute duration <0 or message size <0
+ *
+ * @see Task.create()
+ */
+ public final static native void taskCreate(Task task,String name,double computeDuration, double messageSize)
+ throws JniException, NullPointerException, 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.
+ *
+ * @exception InvalidTaskException is the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ *
+ * @see Task.getSender()
+ */
+ public final static native Process taskGetSender(Task task) throws JniException;
+
+ /**
+ * 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 InvalidTaskException is the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ *
+ * @see Task.getSource()
+ */
+ public final static native Host taskGetSource(Task task) throws JniException, 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.
+ *
+ * @exception InvalidTaskException is the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ *
+ * @see Task.getName()
+ */
+ public final static native String taskGetName(Task task) throws JniException;
+
+ /**
+ * The natively implemented method to cancel a task.
+ *
+ * @param task The task to cancel.
+ *
+ * @exception InvalidTaskException if the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the cancelation failed.
+ *
+ * @see Task.cancel().
+ */
+ public final static native void taskCancel(Task task) throws JniException, NativeException;
+
+ /**
+ * 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.
+ *
+ * @exception InvalidTaskException if the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the cancelation failed.
+ *
+ * @see Task.getComputeDuration()
+ */
+ public final static native double taskGetComputeDuration(Task task) throws JniException;
+
+ /**
+ * 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.
+ *
+ * @exception InvalidTaskException if the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the cancelation failed.
+ *
+ * @see Task.getRemainingDuration()
+ */
+ public final static native double taskGetRemainingDuration(Task task) throws JniException;
+
+ /**
+ * The natively implemented method to set the priority of a task.
+ *
+ * @param task The task to set the prirotity
+ *
+ * @param priority The new priority of the specified task.
+ *
+ * @exception InvalidTaskException if the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the cancelation failed.
+ *
+ * @see Task.setPriority()
+ */
+ public final static native void taskSetPriority(Task task,double priority) throws JniException;
+
+ /**
+ * The natively implemented method to destroy a MSG task.
+ *
+ * @param The task to destroy.
+ *
+ * @exception InvalidTaskException is the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the destruction failed.
+ *
+ * @see Task.destroy()
+ */
+ public final static native void taskDestroy(Task task) throws JniException, NativeException;
+
+ /**
+ * The natively implemented method to execute a MSG task.
+ *
+ * @param task The task to execute.
+ *
+ * @exception InvalidTaskException is the specified task is not valid. A task
+ * is invalid if it is not binded with a native task.
+ * MsgException if the destruction failed.
+ *
+ * @see Task.execute()
+ */
+ public final static native void taskExecute(Task task) throws JniException, NativeException;
+
+
+
+ /**************************************************************************
+ * The natively implemented methods connected to the MSG parallel task *
+ ***************************************************************************/
+
+ /**
+ * 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()
+ */
+ public final static native void parallelTaskCreate(ParallelTask parallelTask, String name,
+ Host[] hosts, double[] computeDurations, double[] messageSizes)
+ throws JniException, NullPointerException, IllegalArgumentException;
+
+ /**
+ * The natively implemented method to get the sender of a parallel task.
+ *
+ * @param parallelTask The parallel task (valid) to get the sender.
+ *
+ * @return The sender of the parallel task.
+ *
+ * @see ParallelTask.getSender()
+ */
+ public final static native Process parallelTaskGetSender(ParallelTask parallelTask) throws JniException;
+
+ /**
+ * The natively implementd method to get the source of a parallel task.
+ *
+ * @param parallelTask The parallel task to get the source.
+ *
+ * @return The source of the parallel task.
+ *
+ * @see ParallelTask.getSource()
+ */
+ public final static native Host parallelTaskGetSource(ParallelTask parallelTask) throws JniException;
+
+ /**
+ * The natively implemented method to get the name of the parallel task.
+ *
+ * @param parallelTask The parallel task to get the name.
+ *
+ * @return The name of the specified parallel task.
+ *
+ * @see ParallelTask.getName()
+ */
+ public final static native String parallelTaskGetName(ParallelTask parallelTask) throws JniException;
+
+ /**
+ * The natively implemented method to cancel a parallel task.
+ *
+ * @param parallelTask The parallel task to cancel.
+ *
+ * @see ParallelTask.cancel().
+ */
+ public final static native void parallelTaskCancel(ParallelTask parallelTask) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to get the computing amount of the task.
+ *
+ * @param parallelTask The parallel task to get the computing amount.
+ *
+ * @return The computing amount of the specified parallel task.
+ *
+ * @see ParallelTask.getComputeDuration()
+ */
+ public final static native double parallelTaskGetComputeDuration(ParallelTask parallelTask) throws JniException;
+
+ /**
+ * The natively implemented method to get the remaining computation
+ *
+ * @param parallelTask The parallel task to get the remaining computation.
+ *
+ * @return The remaining computation of the specified parallel task.
+ *
+ * @see ParallelTask.getRemainingDuration()
+ */
+ public final static native double parallelTaskGetRemainingDuration(ParallelTask parallelTask) throws JniException;
+
+ /**
+ * The natively implemented method to set the priority of a parallel task.
+ *
+ * @param parallelTask The parallel task to set the prirotity
+ *
+ * @param priority The new priority of the specified parallel task.
+ *
+ * @see ParallelTask.setPriority()
+ */
+ public final static native void parallelTaskSetPriority(ParallelTask parallelTask,double priority) throws JniException;
+
+ /**
+ * The natively implemented method to destroy a MSG parallel task.
+ *
+ * @param parallelTask The parallel task to destroy.
+ *
+ * @see ParallelTask.destroy()
+ */
+ public final static native void parallelTaskDestroy(ParallelTask parallelTask) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to execute a MSG parallel task.
+ *
+ * @param parallelTask The parallel task to execute.
+ *
+ * @see ParallelTask.execute()
+ */
+ public final static native void parallelTaskExecute(ParallelTask parallelTask) throws JniException, NativeException;
+
+ /******************************************************************
+ * The natively implemented methods connected to the MSG channel *
+ ******************************************************************/
+
+ /**
+ * The natively implemented method to listen on the channel and wait for receiving a task.
+ *
+ * @param channel The channel to listen
+ *
+ * @return The task readed from the channel.
+ *
+ * @exception MsgException if the listening operation failed.
+ *
+ * @see Channel.get()
+ */
+ public final static native Task channelGet(Channel channel) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to listen on the channel and wait for receiving a task with a timeout.
+ *
+ * @param channel The channel to listen.
+ * @param timeout The timeout of the listening.
+ *
+ * @return The task readed from the channel.
+ *
+ * @exception MsgException if the listening operation failed.
+ *
+ * @see Channel.getWithTimeout()
+ *
+ */
+ public final static native Task channelGetWithTimeout(Channel channel,double timeout) throws JniException,NativeException;
+
+
+ /**
+ * The natively implemented method to listen on the channel of a specific host.
+ *
+ * @param channel The channel to listen.
+ *
+ * @param host The specific host.
+ *
+ * @return The task readed from the channel of the specific host.
+ *
+ * @exception InvalidHostException if the specified host is not valid.
+ * MsgException if the listening operation failed.
+ *
+ * @see Channel.getFromHost()
+ */
+ public final static native Task channelGetFromHost(Channel channel,Host host) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to test whether there is a pending communication on the channel.
+ *
+ * @param channel The channel concerned by the operation.
+ *
+ * @return The method returns true if there is a pending communication on the specified
+ * channel. Otherwise the method returns false.
+ *
+ * @see Channel.hasPendingCommunication()
+ */
+ public final static native boolean channelHasPendingCommunication(Channel channel) throws JniException;
+
+ /**
+ * The natively implemented method to test whether there is a pending communication on a
+ * channel, and who sent it.
+ *
+ * @param The channel concerned by the operation.
+ *
+ * @return The method returns -1 if there is no pending communication and
+ * the PID of the process who sent it otherwise.
+ *
+ * @see Channel.getCummunicatingProcess()
+ */
+ public final static native int channelGetCommunicatingProcess(Channel channel) throws JniException;
+
+ /**
+ * The natively implemented method to get the number of tasks waiting to be received on a
+ * channel and sent by a host.
+ *
+ * @param channel The channel concerned by the operation.
+ *
+ * @param host The sender of the tasks.
+ *
+ * @return The number of tasks waiting to be received on a channel
+ * and sent by the specified host.
+ *
+ * @exception InvalidHostException if the specified host is not valid.
+ *
+ * @see Channel.getHostWaiting()
+ */
+ public final static native int channelGetHostWaitingTasks(Channel channel,Host host) throws JniException;
+
+ /**
+ * The natively implemented method to put a task on the channel of an host.
+ *
+ * @param channel The channel where to put the task.
+ * @param task The task to put.
+ * @param host The host of the specified channel.
+ *
+ * @exception InvalidTaskException if the task is not valid.
+ * InvalidHostException if the host is not valid.
+ * MsgException if the operation failed.
+ *
+ * @see Channel.put()
+ */
+ public final static native void channelPut(Channel channel,Task task,Host host) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to put a task on a channel of an host (with a timeout
+ * on the waiting of the destination host) and waits for the end of the transmission.
+ *
+ * @param channel The channel where to put the task.
+ * @param task The task to put.
+ * @param host The host containing the channel.
+ * @param timeout The timeout of the transmission.
+ *
+ * @exception InvalidTaskException if the task is not valid.
+ * InvalidHostException if the host is not valid.
+ * MsgException if the operation failed.
+ *
+ * @see Channel.putWithTimeout()
+ */
+ public final static native void channelPutWithTimeout(Channel channel,Task task,Host host,double timeout) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to put a task on channel with a bounded transmition
+ * rate.
+ *
+ * @param channel The channel where to put the task.
+ * @param task The task to put.
+ * @param host The host containing the channel.
+ * @param max_rate The bounded transmition rate.
+ *
+ * @exception InvalidTaskException if the task is not valid.
+ * InvalidHostException if the host is not valid.
+ * MsgException if the operation failed.
+ *
+ * @see Channel.putBounded()
+ */
+ public final static native void channelPutBounded(Channel channel,Task task,Host host,double max_rate) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to wait for at most timeout seconds for a task reception
+ * on channel. The PID is updated with the PID of the first process.
+ *
+ * @param channel The channel concerned by the operation.
+ * @param timeout The maximum time to wait for a task before
+ * giving up.
+ *
+ * @exception MsgException if the reception operation failed.
+ *
+ * @see Channel.wait()
+ */
+ public final static native int channelWait(Channel channel, double timeout) throws JniException,NativeException;
+
+ /**
+ * The natively implemented method to set the number of channel used by all the process
+ * of the simulation.
+ *
+ * @param channelNumber The channel number of the process.
+ *
+ * @see Channel.setNumber()
+ */
+ public final static native void channelSetNumber(int channelNumber);
+
+ /**
+ * The natively implemented method to get the number of channel of the process of the simulation.
+ *
+ * @return The number of channel per process.
+ *
+ * @see Channel.getNumber()
+ */
+ public final static native int channelGetNumber();
+
+ /*********************************************************************************
+ * Additional native methods *
+ **********************************************************************************/
+
+ /**
+ * The natively implemented method to get the simulation time.
+ *
+ * @param The simulation time.
+ */
+ public final static native double getClock();
+
+ public final static native void pajeOutput(String pajeFile);
+
+
+ public final static native void info(String s);
+
+ /*********************************************************************
+ * The natively implemented methods connected to the MSG simulation *
+ *********************************************************************/
+
+ /**
+ * The natively implemented method to initialize a MSG simulation.
+ *
+ * @param args The arguments of the command line of the simulation.
+ *
+ * @see Msg.init()
+ */
+ public final static native void init(String[] args);
+
+ /**
+ * Run the MSG simulation, and cleanup everything afterward.
+ *
+ * If you want to chain simulations in the same process, you
+ * should call again createEnvironment and deployApplication afterward.
+ *
+ * @see MSG_run, MSG_clean
+ */
+ public final static native void run() throws NativeException;
+
+ /**
+ * The native implemented method to create the environment of the simulation.
+ *
+ * @param platformFile The XML file which contains the description of the environment of the simulation
+ *
+ */
+ public final static native void createEnvironment(String platformFile) throws NativeException;
+
+
+ /**
+ * The method to deploy the simulation.
+ *
+ * @param appFile The XML file which contains the description of the application to deploy.
+ */
+
+
+ public static void deployApplication(String platformFile) {
+ try {
+ Class c = Class.forName("com.sun.org.apache.xerces.internal.parsers.SAXParser");
+ XMLReader reader = (XMLReader)c.newInstance();
+ ApplicationHandler handler = new ApplicationHandler();
+ reader.setContentHandler(handler);
+ reader.setFeature("http://xml.org/sax/features/validation", false);
+ reader.parse(platformFile);
+
+ } catch(Exception e) {
+ /* FIXME: do not swallow exception ! */
+ System.out.println("Exception in Msg.launchApplication()");
+ System.out.println(e);
+ e.printStackTrace();
+ }
+ }
+
+ /* The launcher */
+ static public void main(String[]args) throws MsgException {
+ /* initialize the MSG simulation. Must be done before anything else (even logging). */
+ Msg.init(args);
+
+ if(args.length < 2) {
+
+ Msg.info("Usage: Msg platform_file deployment_file");
+ System.exit(1);
+ }
+
+ /* specify the number of channel for the process of the simulation. */
+ Channel.setNumber(1);
+
+ /* Load the platform and deploy the application */
+ Msg.createEnvironment(args[0]);
+ Msg.deployApplication(args[1]);
+
+ /* Execute the simulation */
+ Msg.run();
+ }
+}
