/*
*
* 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.gfac.server;
import org.apache.airavata.common.utils.IServer;
import org.apache.airavata.common.utils.ServerSettings;
import org.apache.airavata.gfac.cpi.GfacService;
import org.apache.airavata.gfac.util.Constants;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GfacServer implements IServer{
private final static Logger logger = LoggerFactory.getLogger(GfacServer.class);
private static final String SERVER_NAME = "Gfac Server";
private static final String SERVER_VERSION = "1.0";
private IServer.ServerStatus status;
private TServer server;
public GfacServer() {
setStatus(IServer.ServerStatus.STOPPED);
}
public void StartGfacServer(GfacService.Processor<GfacServerHandler> gfacServerHandlerProcessor)
throws Exception {
try {
final int serverPort = Integer.parseInt(ServerSettings.getSetting(Constants.GFAC_SERVER_PORT, "8950"));
TServerTransport serverTransport = new TServerSocket(serverPort);
server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(gfacServerHandlerProcessor));
new Thread() {
public void run() {
server.serve();
setStatus(IServer.ServerStatus.STOPPED);
logger.info("Gfac Server Stopped.");
}
}.start();
new Thread() {
public void run() {
while(!server.isServing()){
try {
Thread.sleep(500);
} catch (InterruptedException e) {
break;
}
}
if (server.isServing()){
setStatus(IServer.ServerStatus.STARTED);
logger.info("Starting Gfac Server on Port " + serverPort);
logger.info("Listening to Gfac Clients ....");
}
}
}.start();
} catch (TTransportException e) {
logger.error(e.getMessage());
setStatus(IServer.ServerStatus.FAILED);
}
}
public static void main(String[] args) {
try {
new GfacServer().start();
} catch (Exception e) {
e.printStackTrace();
}
}
public void start() throws Exception {
setStatus(IServer.ServerStatus.STARTING);
GfacService.Processor<GfacServerHandler> mockAiravataServer =
new GfacService.Processor<GfacServerHandler>(new GfacServerHandler());
StartGfacServer(mockAiravataServer);
}
public void stop() throws Exception {
if (server!=null && server.isServing()){
setStatus(IServer.ServerStatus.STOPING);
server.stop();
}
}
public void restart() throws Exception {
stop();
start();
}
public void configure() throws Exception {
// TODO Auto-generated method stub
}
public IServer.ServerStatus getStatus() throws Exception {
return status;
}
private void setStatus(IServer.ServerStatus stat){
status=stat;
status.updateTime();
}
public String getName() {
return SERVER_NAME;
}
public String getVersion() {
return SERVER_VERSION;
}
}