/*
* Copyright (c) 2011-2018 Pivotal Software Inc, 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
*
* 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 reactor.netty.udp;
import java.util.function.
Consumer;
import javax.annotation.
Nullable;
import io.netty.bootstrap.
Bootstrap;
import reactor.core.publisher.
Mono;
import reactor.netty.
Connection;
import reactor.netty.
ConnectionObserver;
import reactor.netty.channel.
BootstrapHandlers;
/**
* @author Stephane Maldini
*/
final class
UdpServerDoOn extends
UdpServerOperator implements
ConnectionObserver {
final
Consumer<? super
Bootstrap>
onBind;
final
Consumer<? super
Connection>
onBound;
final
Consumer<? super
Connection>
onUnbound;
UdpServerDoOn(
UdpServer server,
@
Nullable Consumer<? super
Bootstrap>
onBind,
@
Nullable Consumer<? super
Connection>
onBound,
@
Nullable Consumer<? super
Connection>
onUnbound) {
super(
server);
this.
onBind =
onBind;
this.
onBound =
onBound;
this.
onUnbound =
onUnbound;
}
@
Override
public
Bootstrap configure() {
Bootstrap b =
source.
configure();
ConnectionObserver observer =
BootstrapHandlers.
connectionObserver(
b);
BootstrapHandlers.
connectionObserver(
b,
observer.
then(this));
return
b;
}
@
Override
public
Mono<? extends
Connection>
bind(
Bootstrap b) {
if (
onBind != null) {
return
source.
bind(
b)
.
doOnSubscribe(
s ->
onBind.
accept(
b));
}
return
source.
bind(
b);
}
@
Override
public void
onStateChange(
Connection connection,
State newState) {
if (
onBound != null &&
newState ==
State.
CONFIGURED) {
onBound.
accept(
connection);
return;
}
if (
onUnbound != null &&
newState ==
State.
DISCONNECTING) {
connection.
onDispose(() ->
onUnbound.
accept(
connection));
}
}
}