blob: 66dbed98073ec7e65d5f85f36960e948e2faf9ae (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.onnxruntime;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import java.util.logging.Logger;
/**
* @author arnej
* Loads native libraries when the bundle is activated.
* Use system properties to ensure onnxruntime won't try
* to load them itself.
**/
public class OnnxBundleActivator implements BundleActivator {
private static final String SKIP_PREFIX = "onnxruntime.native.";
private static final String SKIP_SUFFIX = ".skip";
private static final String SKIP_VALUE = "true";
private static final String[] LIBRARY_NAMES = { "onnxruntime", "onnxruntime4j_jni" };
private static final Logger log = Logger.getLogger(OnnxBundleActivator.class.getName());
@Override
public void start(BundleContext ctx) {
for (String libName : LIBRARY_NAMES) {
String skipProp = SKIP_PREFIX + libName + SKIP_SUFFIX;
if (SKIP_VALUE.equals(System.getProperty(skipProp))) {
log.info("already loaded native library "+libName+", skipping");
} else {
System.setProperty(skipProp, SKIP_VALUE);
log.info("loading native library: "+libName);
try {
System.loadLibrary(libName);
log.fine("loaded native library OK: "+libName);
} catch (Exception|UnsatisfiedLinkError e) {
log.warning("Could not load native library '"+libName+"' because: "+e.getMessage());
}
}
}
}
@Override
public void stop(BundleContext ctx) {
// not sure how to test that loading and unloading multiple times actually works,
// but this should in theory do the necessary thing.
for (String libName : LIBRARY_NAMES) {
String skipProp = SKIP_PREFIX + libName + SKIP_SUFFIX;
System.clearProperty(skipProp);
log.info("will unload native library: "+libName);
}
}
}
|