com.sun.grizzly.http.jk.common.Shm14 Maven / Gradle / Ivy
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package com.sun.grizzly.http.jk.common;
import com.sun.grizzly.http.jk.core.Msg;
import com.sun.grizzly.http.jk.core.MsgContext;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import com.sun.grizzly.util.IntrospectionUtils;
import com.sun.grizzly.util.LoggerUtils;
import java.util.logging.Level;
/** Shm implementation using JDK1.4 nio.
*
*
* @author Costin Manolache
*/
public class Shm14 extends Shm {
MappedByteBuffer bb;
public void init() {
try {
RandomAccessFile f = new RandomAccessFile(file, "rw");
FileChannel fc = f.getChannel();
bb = fc.map(FileChannel.MapMode.READ_WRITE, 0, f.length());
} catch (IOException ex) {
ex.printStackTrace();
}
}
public void dumpScoreboard(String file) {
// We can only sync with our backing store.
bb.force();
// XXX we should copy the content to the file
}
public void resetScoreboard() throws IOException {
// XXX Need to write the head
}
public int invoke(Msg msg, MsgContext ep)
throws IOException {
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "ChannelShm14.invoke: " + ep);
}
//
return 0;
}
public void initCli() {
}
public static void main(String args[]) {
try {
Shm14 shm = new Shm14();
if (args.length == 0 ||
("-?".equals(args[0]))) {
shm.setHelp(true);
return;
}
IntrospectionUtils.processArgs(shm, args);
shm.execute();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}