* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.util;

import java.io.PrintStream;

/**
0 - nothing
1 - critical [default]
2 - basic info can be logged under load
3 - almost everything
N - debugging
 */

public class LogStream extends PrintStream {

    private static LogStream inst;

            Hexdump.hexdump( log, input, offset, Math.min( len, 256 ));
            log.flush();
        }
        if( len == 0 ) {
            return; /* CRITICAL */
        }
        digest.update( input, offset, len );
        updates++;
    }
    public byte[] digest() {
        byte[] b;

        b = digest.digest();

        if( log.level >= 5 ) {

            log.trace("update: " + this.updates + " " + offset + ":" + len);
            log.trace(Hexdump.toHexString(input, offset, Math.min(len, 256)));
        }
        if ( len == 0 ) {
            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }


    /**
     * @return calculated digest
     */
    public byte[] digest () {
        byte[] b;

                haveAttributes = false;

                // This seems to be the only way to obtain a reliable (with respect to locking) file size here
                // It is more critical than other attributes because append mode depends on it.
                // We do only really care if we open for writing and not shared for writing