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.main.impl
22 import io.netty.handler.ssl.ClientAuth
23 import io.netty.handler.ssl.SslContext
24 import io.netty.handler.ssl.SslContextBuilder
25 import io.netty.handler.ssl.SslProvider
26 import org.onap.dcae.collectors.veshv.domain.WireFrame
27 import org.onap.dcae.collectors.veshv.main.config.ClientConfiguration
28 import org.onap.dcae.collectors.veshv.main.config.ClientSecurityConfiguration
29 import org.onap.dcae.collectors.veshv.utils.logging.Logger
30 import org.reactivestreams.Publisher
31 import reactor.core.publisher.Flux
32 import reactor.ipc.netty.NettyInbound
33 import reactor.ipc.netty.NettyOutbound
34 import reactor.ipc.netty.tcp.TcpClient
35 import java.util.function.BiFunction
39 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
42 class VesHvClient(configuration: ClientConfiguration) {
44 private val client: TcpClient = TcpClient.builder()
46 opts.host(configuration.vesHost)
47 .port(configuration.vesPort)
48 .sslContext(createSslContext(configuration.security))
52 fun send(messages: Flux<WireFrame>) {
53 client.startAndAwait(BiFunction { i, o -> handler(i, o, messages) })
56 // sending flux with multiple WireFrames not supported yet
57 private fun handler(nettyInbound: NettyInbound,
58 nettyOutbound: NettyOutbound,
59 messages: Flux<WireFrame>): Publisher<Void> {
63 .asString(Charsets.UTF_8)
64 .subscribe { str -> logger.info("Server response: $str") }
67 .doOnNext { logger.info { "About to send message with ${it.payloadSize} B of payload" } }
68 .map { it.encode(nettyOutbound.alloc()) }
71 .options { it.flushOnEach() }
75 private fun createSslContext(config: ClientSecurityConfiguration): SslContext =
76 SslContextBuilder.forClient()
77 .keyManager(config.cert.toFile(), config.privateKey.toFile())
78 .trustManager(config.trustedCert.toFile())
79 .sslProvider(SslProvider.OPENSSL)
80 .clientAuth(ClientAuth.REQUIRE)
84 private val logger = Logger(VesHvClient::class)