/*
 *
 * 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.crail.namenode.rpc.tcp;

import java.io.IOException;

import org.apache.crail.conf.CrailConfiguration;
import org.apache.crail.utils.CrailUtils;
import org.slf4j.Logger;

public class TcpRpcConstants {
	private static final Logger LOG = CrailUtils.getLogger();
	
	public static final String NAMENODE_TCP_QUEUEDEPTH_KEY = "crail.namenode.tcp.queueDepth";
	public static int NAMENODE_TCP_QUEUEDEPTH = 32;
	
	public static final String NAMENODE_TCP_MESSAGESIZE_KEY = "crail.namenode.tcp.messageSize";
	public static int NAMENODE_TCP_MESSAGESIZE = 512;	
	
	public static final String NAMENODE_TCP_CORES_KEY = "crail.namenode.tcp.cores";
	public static int NAMENODE_TCP_CORES = 1;	
	
	public static void updateConstants(CrailConfiguration conf){
		if (conf.get(NAMENODE_TCP_QUEUEDEPTH_KEY) != null) {
			NAMENODE_TCP_QUEUEDEPTH = Integer.parseInt(conf.get(NAMENODE_TCP_QUEUEDEPTH_KEY));
		}
		if (conf.get(NAMENODE_TCP_MESSAGESIZE_KEY) != null) {
			NAMENODE_TCP_MESSAGESIZE = Integer.parseInt(conf.get(NAMENODE_TCP_MESSAGESIZE_KEY));
		}		
		if (conf.get(NAMENODE_TCP_CORES_KEY) != null) {
			NAMENODE_TCP_CORES = Integer.parseInt(conf.get(NAMENODE_TCP_CORES_KEY));
		}		
	}
	
	public static void verify() throws IOException {
	}

	public static void printConf(Logger logger) {
		LOG.info(NAMENODE_TCP_QUEUEDEPTH_KEY + " " + NAMENODE_TCP_QUEUEDEPTH);
		LOG.info(NAMENODE_TCP_MESSAGESIZE_KEY + " " + NAMENODE_TCP_MESSAGESIZE);
		LOG.info(NAMENODE_TCP_CORES_KEY + " " + NAMENODE_TCP_CORES);
	}	
}