2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.utils
22 import arrow.effects.IO
23 import org.onap.dcae.collectors.veshv.utils.logging.Logger
24 import reactor.core.publisher.Mono
25 import reactor.netty.DisposableServer
28 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
31 abstract class ServerHandle(val host: String, val port: Int) : Closeable {
32 abstract fun await(): IO<Unit>
36 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
39 class NettyServerHandle(private val ctx: DisposableServer,
40 private val closeAction: Mono<Void> = Mono.empty())
41 : ServerHandle(ctx.host(), ctx.port()) {
43 override fun close(): Mono<Void> =
45 .filter { !it.isDisposed }
47 closeAction.thenReturn(it)
51 private fun dispose(): Mono<Void> =
52 Mono.create { callback ->
53 logger.debug { "About to dispose NettyServer" }
56 logger.debug { "Netty server disposed" }
61 override fun await() = IO<Unit> {
62 ctx.channel().closeFuture().sync()
66 private val logger = Logger(NettyServerHandle::class)