Examples with Level org.voltcore.logging.Level used on opensource projects

Example 1 with Level

use of org.voltcore.logging.Level in project voltdb by VoltDB.

the class UpdateLogging method run.

/**
     * Change the operational log configuration.
     * @param ctx       Internal parameter. Not user-accessible.
     * @param xmlConfig New configuration XML document.
     * @return          Standard STATUS table.
     */
@SuppressWarnings("deprecation")
public VoltTable[] run(SystemProcedureExecutionContext ctx, String username, String remoteHost, String xmlConfig) {
    long oldLevels = 0;
    if (ctx.isLowestSiteId()) {
        // Logger level is a global property, pick the site with lowest id to do it.
        hostLog.info(String.format("%s from %s changed the log4j settings", username, remoteHost));
        hostLog.info(xmlConfig);
        oldLevels = hostLog.getLogLevels(loggers);
    }
    try {
        // Mimic the multi-fragment semantics as scatter-gather pattern is an overkill for this simple task.
        // There are chances that some sites being interrupted and update the logging before old logger level
        // being read, but the reasons we don't care because 1) it is rare and 2) it only effects when HOST
        // logger being changed from higher than INFO level to INFO or lower level.
        barrier.await();
    } catch (InterruptedException | BrokenBarrierException dontcare) {
    }
    VoltDB.instance().logUpdate(xmlConfig, DeprecatedProcedureAPIAccess.getVoltPrivateRealTransactionId(this), ctx.getPaths().getVoltDBRoot());
    ctx.updateBackendLogLevels();
    if (ctx.isLowestSiteId()) {
        long newLevels = hostLog.getLogLevels(loggers);
        if (newLevels != oldLevels) {
            // If HOST logger wasn't able to log before and now it can, logs the setting change event.
            int index = (int) ((oldLevels >> 3) & 7);
            Level before = Level.values()[index];
            index = (int) ((newLevels >> 3) & 7);
            Level after = Level.values()[index];
            if (before.ordinal() > Level.INFO.ordinal() && after.ordinal() <= Level.INFO.ordinal()) {
                hostLog.info(String.format("%s from %s changed the log4j settings", username, remoteHost));
                hostLog.info(xmlConfig);
            }
        }
        barrier.reset();
    }
    VoltTable t = new VoltTable(VoltSystemProcedure.STATUS_SCHEMA);
    t.addRow(VoltSystemProcedure.STATUS_OK);
    return (new VoltTable[] { t });
}