1 /* JNI interface to C code for MSG. */
3 /* Copyright (c) 2006-2014. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 package org.simgrid.msg;
10 import org.simgrid.NativeLib;
13 public final class Msg {
15 /** Retrieves the simulation time */
16 public static final native double getClock();
17 /** Issue a debug logging message. */
18 public static final native void debug(String msg);
19 /** Issue a verbose logging message. */
20 public static final native void verb(String msg);
21 /** Issue an information logging message */
22 public static final native void info(String msg);
23 /** Issue a warning logging message. */
24 public static final native void warn(String msg);
25 /** Issue an error logging message. */
26 public static final native void error(String msg);
27 /** Issue a critical logging message. */
28 public static final native void critical(String s);
31 throw new IllegalAccessError("Utility class");
34 /*********************************************************************************
35 * Deployment and initialization related functions *
36 *********************************************************************************/
38 /** Initialize a MSG simulation.
40 * @param args The arguments of the command line of the simulation.
42 public static final native void init(String[]args);
44 /** Tell the kernel that you want to use the energy plugin */
45 public static final native void energyInit();
47 /** Run the MSG simulation.
49 * The simulation is not cleaned afterward (see
50 * {@link #clean()} if you really insist on cleaning the C side), so you can freely
51 * retrieve the information that you want from the simulation. In particular, retrieving the status
52 * of a process or the current date is perfectly ok.
54 public static final native void run() ;
56 /** Create the simulation environment by parsing a platform file. */
57 public static final native void createEnvironment(String platformFile);
59 public static final native As environmentGetRoutingRoot();
61 /** Starts your processes by parsing a deployment file. */
62 public static final native void deployApplication(String deploymentFile);
64 /** Example launcher. You can use it or provide your own launcher, as you wish
66 * @throws MsgException
68 static public void main(String[]args) throws MsgException {
69 /* initialize the MSG simulation. Must be done before anything else (even logging). */
72 if (args.length < 2) {
73 Msg.info("Usage: Msg platform_file deployment_file");
77 /* Load the platform and deploy the application */
78 Msg.createEnvironment(args[0]);
79 Msg.deployApplication(args[1]);
80 /* Execute the simulation */
84 /* Class initializer, to initialize various JNI stuff */
86 org.simgrid.NativeLib.nativeInit();