103 lines
3.0 KiB
Java
103 lines
3.0 KiB
Java
/*
|
|
*
|
|
* Copyright 2013 Hewlett-Packard Development Company, L.P.
|
|
*
|
|
* Licensed 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 hudson.plugins.gearman;
|
|
|
|
import hudson.model.Computer;
|
|
import hudson.model.Node;
|
|
|
|
import java.net.InetSocketAddress;
|
|
import java.net.Socket;
|
|
|
|
import jenkins.model.Jenkins;
|
|
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
* This class contains some useful utilities for this plugin
|
|
*
|
|
* @author Khai Do
|
|
*/
|
|
public class GearmanPluginUtil {
|
|
|
|
private static final Logger logger = LoggerFactory
|
|
.getLogger(Constants.PLUGIN_LOGGER_NAME);
|
|
|
|
/*
|
|
* This method checks whether a connection can be made to a host:port
|
|
*
|
|
* @param host the host name
|
|
*
|
|
* @param port the host port
|
|
*
|
|
* @param timeout the timeout (milliseconds) to try the connection
|
|
*
|
|
* @return true if a socket connection can be established otherwise false
|
|
*/
|
|
public static boolean connectionIsAvailable(String host, int port,
|
|
int timeout) {
|
|
|
|
InetSocketAddress endPoint = new InetSocketAddress(host, port);
|
|
Socket socket = new Socket();
|
|
|
|
if (endPoint.isUnresolved()) {
|
|
System.out.println("Failure " + endPoint);
|
|
} else {
|
|
try {
|
|
socket.connect(endPoint, timeout);
|
|
logger.info("---- Connection Success: " + endPoint);
|
|
return true;
|
|
} catch (Exception e) {
|
|
logger.info("---- Connection Failure: " + endPoint + " message: "
|
|
+ e.getClass().getSimpleName() + " - " + e.getMessage());
|
|
} finally {
|
|
if (socket != null) {
|
|
try {
|
|
socket.close();
|
|
} catch (Exception e) {
|
|
logger.info(e.getMessage());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* This method returns the total number of nodes that are active in jenkins,
|
|
* active mean that it's been created, but not necessarily online.
|
|
*/
|
|
public static int getNumTotalNodes() {
|
|
|
|
// check whether master is enabled
|
|
Node masterNode = null;
|
|
try {
|
|
masterNode = Computer.currentComputer().getNode();
|
|
} catch (Exception e) {
|
|
}
|
|
|
|
if (masterNode != null) { // master is enabled, count it
|
|
return Jenkins.getInstance().getNodes().size() + 1;
|
|
} else { // only slaves, no master
|
|
return Jenkins.getInstance().getNodes().size();
|
|
}
|
|
}
|
|
|
|
}
|