001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.q2.cli;
020
021import org.jpos.q2.CLICommand;
022import org.jpos.q2.CLIContext;
023import org.jpos.util.Metrics;
024import org.jpos.util.MetricsProvider;
025import org.jpos.util.NameRegistrar;
026
027import java.io.File;
028import java.io.IOException;
029
030/** CLI command that dumps every {@link org.jpos.util.MetricsProvider} bean's metrics into the given directory. */
031public class DUMPMETRICS implements CLICommand {
032    /** Default constructor; no instance state to initialise. */
033    public DUMPMETRICS() {}
034    public void exec(CLIContext ctx, String[] args) throws IOException {
035        if (args.length != 2) {
036            ctx.println (String.format ("Usage: %s<path-to-dump-directory>", args[0]));
037            return;
038        }
039        File dir = new File(args[1]);
040        if (!dir.canWrite()) {
041            ctx.println ("Unable to write " + dir.getAbsolutePath());
042            return;
043        }
044        dumpMetrics (dir);
045    }
046
047    private void dumpMetrics(File dir) {
048        NameRegistrar.getAsMap().forEach((key, value) -> {
049            if (value instanceof MetricsProvider) {
050                Metrics metrics = ((MetricsProvider) value).getMetrics();
051                metrics.dumpHistograms(dir, key + "-");
052            }
053        });
054    }
055}