/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.airavata.patform.monitoring;

import io.prometheus.client.exporter.HTTPServer;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MonitoringServer {

    private static final Logger logger = LoggerFactory.getLogger(MonitoringServer.class);

    private String host;
    private int port;
    private HTTPServer httpServer;

    public MonitoringServer(String host, int port) {
        this.host = host;
        this.port = port;
    }

    public void start() throws IOException {
        try {
            logger.info("Starting the monitoring server");
            httpServer = new HTTPServer(host, port, true);
        } catch (IOException e) {
            logger.error("Failed to start the monitoring server on host {} na port {}", host, port, e);
        }
    }

    public void stop() {
        if (httpServer != null) {
            logger.info("Stopping the monitor server");
            httpServer.stop();
        }
    }
}
