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add standard logging to NativeBigInteger

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zzz
2009-02-24 23:32:38 +00:00
parent 6484005569
commit 0d2812db50
1 changed files with 29 additions and 18 deletions
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47
core/java/src/net/i2p/util/NativeBigInteger.java
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@ -23,6 +23,9 @@ import freenet.support.CPUInformation.CPUInfo;
import freenet.support.CPUInformation.IntelCPUInfo;
import freenet.support.CPUInformation.UnknownCPUException;
import net.i2p.I2PAppContext;
import net.i2p.util.Log;
/**
* <p>BigInteger that takes advantage of the jbigi library for the modPow operation,
* which accounts for a massive segment of the processing cost of asymmetric
@ -89,6 +92,9 @@ public class NativeBigInteger extends BigInteger {
* do we want to dump some basic success/failure info to stderr during
* initialization? this would otherwise use the Log component, but this makes
* it easier for other systems to reuse this class
*
* Well, we really want to use Log so if you are one of those "other systems"
* then comment out the I2PAppContext usage below.
*/
private static final boolean _doLog = System.getProperty("jbigi.dontLog") == null;
@ -401,38 +407,32 @@ public class NativeBigInteger extends BigInteger {
boolean loaded = loadGeneric("jbigi");
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Locally optimized native BigInteger loaded from the library path");
info("Locally optimized native BigInteger library loaded from the library path");
} else {
loaded = loadFromResource("jbigi");
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Locally optimized native BigInteger loaded from resource");
info("Locally optimized native BigInteger library loaded from resource");
} else {
loaded = loadFromResource(true);
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Optimized native BigInteger library '"+getResourceName(true)+"' loaded from resource");
info("Optimized native BigInteger library '"+getResourceName(true)+"' loaded from resource");
} else {
loaded = loadGeneric(true);
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Optimized native BigInteger library '"+getMiddleName(true)+"' loaded from somewhere in the path");
info("Optimized native BigInteger library '"+getMiddleName(true)+"' loaded from somewhere in the path");
} else {
loaded = loadFromResource(false);
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Non-optimized native BigInteger library '"+getResourceName(false)+"' loaded from resource");
info("Non-optimized native BigInteger library '"+getResourceName(false)+"' loaded from resource");
} else {
loaded = loadGeneric(false);
if (loaded) {
_nativeOk = true;
if (_doLog)
System.err.println("INFO: Non-optimized native BigInteger library '"+getMiddleName(false)+"' loaded from somewhere in the path");
info("Non-optimized native BigInteger library '"+getMiddleName(false)+"' loaded from somewhere in the path");
} else {
_nativeOk = false;
}
@ -442,16 +442,27 @@ public class NativeBigInteger extends BigInteger {
}
}
}
if (_doLog && !_nativeOk)
System.err.println("INFO: Native BigInteger library jbigi not loaded - using pure java");
if (!_nativeOk) {
warn("Native BigInteger library jbigi not loaded - using pure Java - " +
"poor performance may result - see http://www.i2p2.i2p/jbigi.html for help");
}
}catch(Exception e){
if (_doLog) {
System.err.println("INFO: Native BigInteger library jbigi not loaded, reason: '"+e.getMessage()+"' - using pure java");
e.printStackTrace();
}
warn("Native BigInteger library jbigi not loaded, reason: '"+e.getMessage()+"' - using pure java");
}
}
private static void info(String s) {
if(_doLog)
System.err.println("INFO: " + s);
I2PAppContext.getGlobalContext().logManager().getLog(NativeBigInteger.class).info(s);
}
private static void warn(String s) {
if(_doLog)
System.err.println("WARNING: " + s);
I2PAppContext.getGlobalContext().logManager().getLog(NativeBigInteger.class).warn(s);
}
/**
* <p>Try loading it from an explictly build jbigi.dll / libjbigi.so first, before
* looking into a jbigi.jar for any other libraries.</p>