blob: b5b7f7d78749fd960ad48e02127829a25a6e9dc5 [file] [log] [blame]
/*
* Copyright 2015-present Open Networking Laboratory
*
* 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 org.onosproject.xran.controller;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.sctp.SctpChannel;
import io.netty.channel.sctp.nio.NioSctpServerChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Created by dimitris on 7/27/17.
*/
public class Controller {
protected static final Logger log = LoggerFactory.getLogger(Controller.class);
protected XranDeviceAgent deviceAgent;
protected XranHostAgent hostAgent;
protected XranPacketProcessor packetAgent;
private EventLoopGroup bossGroup;
private EventLoopGroup workerGroup;
private ChannelFuture channel;
private int port = 8007;
private boolean isRunning = false;
public void run() {
final Controller ctrl = this;
try {
ServerBootstrap b = createServerBootStrap();
b.childHandler(new ChannelInitializer<SctpChannel>() {
@Override
public void initChannel(SctpChannel ch) throws Exception {
ch.pipeline().addLast(
//new LoggingHandler(LogLevel.INFO),
new XranChannelHandler(ctrl)
);
}
});
channel = b.bind(this.port).sync();
} catch (Exception e) {
log.warn(e.getMessage());
e.printStackTrace();
}
}
private ServerBootstrap createServerBootStrap() {
bossGroup = new NioEventLoopGroup(1);
workerGroup = new NioEventLoopGroup();
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioSctpServerChannel.class)
.handler(new LoggingHandler(LogLevel.INFO));
return b;
}
public void start(XranDeviceAgent deviceAgent, XranHostAgent hostAgent, XranControllerImpl.InternalXranPacketAgent packetAgent, int port) {
if (isRunning && this.port != port) {
stop();
this.deviceAgent = deviceAgent;
this.hostAgent = hostAgent;
this.packetAgent = packetAgent;
this.port = port;
run();
} else if (!isRunning) {
this.deviceAgent = deviceAgent;
this.hostAgent = hostAgent;
this.packetAgent = packetAgent;
this.port = port;
run();
isRunning = true;
}
}
public void stop() {
if (isRunning) {
channel.channel().close();
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
isRunning = false;
}
}
}