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/*
This file is part of GNUnet.
(C) 2011, 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
package org.gnunet.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.channels.Channel;
import java.nio.channels.FileChannel;
import java.nio.channels.SelectableChannel;
import java.util.LinkedList;
/**
* Server the entry point class for every gnunet-java component providing services
* to other components.
*/
public abstract class Service extends Program {
private static final Logger logger = LoggerFactory
.getLogger(Service.class);
private Server s;
private String serviceName;
private RelativeTime idleTimeout;
private boolean requireFound;
private Cancelable sigpipeTask;
private SelectableChannel sigpipeChannel;
public Service(String serviceName, RelativeTime idleTimeout, boolean requireFound, String[] args) {
super(args);
this.serviceName = serviceName;
this.idleTimeout = idleTimeout;
this.requireFound = requireFound;
}
public final Server getServer() {
return s;
}
public void stop() {
}
public void start() {
super.start();
String ip4AddrList = getConfiguration().getValueString(serviceName, "ACCEPT_FROM");
String ip6AddrList = getConfiguration().getValueString(serviceName, "ACCEPT_FROM6");
int port = (int) getConfiguration().getValueNumer(serviceName, "PORT");
LinkedList<SocketAddress> addrs = new LinkedList<SocketAddress>();
for (String ip4Addr : ip4AddrList.split("[;]")) {
InetAddress addr = Resolver.getInetAddressFromString(ip4Addr);
addrs.add(new InetSocketAddress(addr, port));
}
for (String ip6Addr : ip6AddrList.split("[;]")) {
InetAddress addr = Resolver.getInetAddressFromString(ip6Addr);
addrs.add(new InetSocketAddress(addr, port));
}
s = new Server(addrs, idleTimeout, requireFound);
String pipeName = System.getenv("GNUNET_OS_CONTROL_PIPE");
if (pipeName != null) {
logger.debug("service started with control pipe");
FileChannel f;
try {
f = (new FileInputStream(pipeName)).getChannel();
} catch (FileNotFoundException e) {
logger.error("could not open control pipe");
}
Scheduler.TaskConfiguration t = new Scheduler.TaskConfiguration(RelativeTime.FOREVER,
new SigpipeTask());
sigpipeTask = t.schedule();
}
}
public class SigpipeTask implements Scheduler.Task {
@Override
public void run(Scheduler.RunContext ctx) {
Scheduler.TaskConfiguration t = new Scheduler.TaskConfiguration(RelativeTime.FOREVER,
new SigpipeTask());
sigpipeTask = t.schedule();
}
}
/**
* Override to implement the behavior of the Program.
*/
public abstract void run();
}
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