-/* Copyright (c) 2014-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2014-2018. The SimGrid Team. All rights 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. */
import java.nio.file.Files;
import java.nio.file.Path;
-/** Helper class loading the native functions of SimGrid that we use for downcalls
- *
- * Almost all org.simgrid.msg.* classes contain a static bloc (thus executed when the class is loaded)
+/** Helper class loading the native functions of SimGrid that we use for downcalls
+ *
+ * Almost all org.simgrid.msg.* classes contain a static bloc (thus executed when the class is loaded)
* containing a call to this.
*/
public final class NativeLib {
private static boolean isNativeInited = false;
- static Path tempDir = null; // where the embeeded libraries are unpacked before loading them
+ private static Path tempDir = null; // where the embeeded libraries are unpacked before loading them
/** A static-only "class" don't need no constructor */
private NativeLib() {
throw new IllegalAccessError("Utility class");
}
- /** Hidden debug main() function
- *
+ /** Hidden debug main() function
+ *
* It is not the Main-Class defined in src/bindings/java/MANIFEST.in (org.simgrid.msg.Msg is),
* so it won't get executed by default. But that's helpful to debug linkage errors, if you
* know that it exists. It's used by cmake during the configure, to inform the user.
System.err.println();
cause.printStackTrace();
} else {
- System.err.println("This jar file does not seem to fit your system, and no usable SimGrid installation found on disk.");
+ System.err.println("This jar file does not seem to fit your system, and no usable SimGrid installation found on disk for "+name+".");
}
System.exit(1);
}
}
/* For each possible filename of the given library on all possible OSes, try it */
- for (String filename : new String[]
- { name,
+ for (String filename : new String[]
+ { name,
"lib"+name+".so", /* linux */
name+".dll", "lib"+name+".dll", /* windows (pure and mingw) */
"lib"+name+".dylib" /* mac osx */}) {
File fileOut = new File(tempDir.toFile().getAbsolutePath() + File.separator + filename);
+ boolean done = false;
try ( // Try-with-resources. These stream will be autoclosed when needed.
InputStream in = NativeLib.class.getClassLoader().getResourceAsStream(path+filename);
OutputStream out = new FileOutputStream(fileOut);
) {
- if (in == null)
- continue; // Try the next name: no such file found
-
- /* copy the library in position */
- byte[] buffer = new byte[4096];
- int bytesRead;
- while ((bytesRead = in.read(buffer)) != -1) // Read until EOF
- out.write(buffer, 0, bytesRead);
-
- out.close(); // Windows cannot open it twice, so close it first. Shame.
-
- /* load that shit */
+ if (in != null) {
+ /* copy the library in position */
+ byte[] buffer = new byte[4096];
+ int bytesRead;
+ while ((bytesRead = in.read(buffer)) != -1) // Read until EOF
+ out.write(buffer, 0, bytesRead);
+ done = true;
+ }
+ }
+ if (done) {
+ /* load that library */
System.load(fileOut.getAbsolutePath());
-
+
/* It loaded! we're good */
return true;
-
}
}
else if ("x86_64".equalsIgnoreCase(arch) || "AMD64".equalsIgnoreCase(arch))
arch = "amd64";
- if (os.toLowerCase().startsWith("win")){
+ if (os.toLowerCase().startsWith("win")) {
os = "Windows";
- } else if (os.contains("OS X"))
+ } else if (os.contains("OS X")) {
os = "Darwin";
-
+ }
os = os.replace(' ', '_');
arch = arch.replace(' ', '_');
public void run() {
try {
for (File f : dir.listFiles())
- if (! f.delete() )
+ if (! f.delete() && !f.getAbsolutePath().contains("appveyor")) // Be silent on AppVeyor to not break the tests. Ugly trick :)
System.out.println("Unable to clean temporary file "+f.getAbsolutePath()+" during shutdown.");
- if (! dir.delete() )
+ if (! dir.delete() && !dir.getAbsolutePath().contains("appveyor") )
System.out.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown.");
} catch(Exception e) {
- System.out.println("Unable to clean temporary file "+dir.getAbsolutePath()+" during shutdown: "+e.getCause());
+ System.out.println("Error while cleaning temporary file "+dir.getAbsolutePath()+" during shutdown: "+e.getCause());
e.printStackTrace();
}
}