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.simulators.xnf.impl
22 import io.netty.buffer.Unpooled
23 import io.netty.handler.ssl.ClientAuth
24 import io.netty.handler.ssl.SslContext
25 import io.netty.handler.ssl.SslContextBuilder
26 import io.netty.handler.ssl.SslProvider
27 import org.onap.dcae.collectors.veshv.domain.WireFrame
28 import org.onap.dcae.collectors.veshv.domain.SecurityConfiguration
29 import org.onap.dcae.collectors.veshv.domain.WireFrameEncoder
30 import org.onap.dcae.collectors.veshv.simulators.xnf.config.ClientConfiguration
31 import org.onap.dcae.collectors.veshv.utils.logging.Logger
32 import org.reactivestreams.Publisher
33 import reactor.core.publisher.Flux
34 import reactor.core.publisher.Mono
35 import reactor.ipc.netty.NettyOutbound
36 import reactor.ipc.netty.tcp.TcpClient
40 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
43 class VesHvClient(private val configuration: ClientConfiguration) {
45 private val client: TcpClient = TcpClient.builder()
47 opts.host(configuration.vesHost)
48 .port(configuration.vesPort)
49 .sslContext(createSslContext(configuration.security))
53 fun send(messages: Flux<WireFrame>) =
55 .newHandler { _, out -> handler(out, messages) }
56 .doOnError{logger.info("Failed to connect to VesHvCollector on " +
57 "${configuration.vesHost}:${configuration.vesPort}")}
58 .subscribe { logger.info("Connected to VesHvCollector on " +
59 "${configuration.vesHost}:${configuration.vesPort}") }
62 private fun handler(nettyOutbound: NettyOutbound, messages: Flux<WireFrame>): Publisher<Void> {
65 val encoder = WireFrameEncoder(nettyOutbound.alloc())
69 .concatWith(Mono.just(Unpooled.EMPTY_BUFFER))
72 .options { it.flushOnEach() }
74 .then { logger.info("Messages have been sent") }
77 private fun createSslContext(config: SecurityConfiguration): SslContext =
78 SslContextBuilder.forClient()
79 .keyManager(config.cert.toFile(), config.privateKey.toFile())
80 .trustManager(config.trustedCert.toFile())
81 .sslProvider(SslProvider.OPENSSL)
82 .clientAuth(ClientAuth.REQUIRE)
86 private val logger = Logger(VesHvClient::class)