io.netty.example.rxtx.RxtxClient Maven / Gradle / Ivy
/*
* Copyright 2013 The Netty Project
*
* The Netty Project 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 io.netty.example.rxtx;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.oio.OioEventLoopGroup;
import io.netty.channel.rxtx.RxtxChannel;
import io.netty.channel.rxtx.RxtxDeviceAddress;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
/**
* Sends one message to a serial device
*/
public final class RxtxClient {
static final String PORT = System.getProperty("port", "/dev/ttyUSB0");
public static void main(String[] args) throws Exception {
EventLoopGroup group = new OioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(RxtxChannel.class)
.handler(new ChannelInitializer() {
@Override
public void initChannel(RxtxChannel ch) throws Exception {
ch.pipeline().addLast(
new LineBasedFrameDecoder(32768),
new StringEncoder(),
new StringDecoder(),
new RxtxClientHandler()
);
}
});
ChannelFuture f = b.connect(new RxtxDeviceAddress(PORT)).sync();
f.channel().closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
}