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Application.java
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Application.java
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/*
* Copyright (c) 2020-2022 VMware, Inc. or its affiliates, All Rights Reserved.
*
* 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
*
* https://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 reactor.netty5.examples.documentation.udp.server.send;
import io.netty5.buffer.Buffer;
import io.netty5.channel.socket.DatagramPacket;
import reactor.core.publisher.Mono;
import reactor.netty5.Connection;
import reactor.netty5.udp.UdpServer;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
public class Application {
public static void main(String[] args) {
Connection server =
UdpServer.create()
.handle((in, out) ->
out.sendObject(
in.receiveObject()
.map(o -> {
if (o instanceof DatagramPacket p) {
Buffer buf = out.alloc().copyOf("hello".getBytes(StandardCharsets.UTF_8));
return new DatagramPacket(buf, p.sender()); //<1>
}
else {
return Mono.error(new Exception("Unexpected type of the message: " + o));
}
})))
.bindNow(Duration.ofSeconds(30));
server.onDispose()
.block();
}
}