sources/hv-collector-xnf-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/xnf/main.kt

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * dcaegen2-collectors-veshv
   4  * ================================================================================
   5  * Copyright (C) 2018-2019 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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20 package org.onap.dcae.collectors.veshv.simulators.xnf
  21
  22 import io.vavr.collection.HashSet
  23 import org.onap.dcae.collectors.veshv.commandline.handleWrongArgumentError
  24 import org.onap.dcae.collectors.veshv.commandline.handleWrongArgumentErrorCurried
  25 import org.onap.dcae.collectors.veshv.healthcheck.api.HealthDescription
  26 import org.onap.dcae.collectors.veshv.healthcheck.api.HealthState
  27 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations
  28 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator
  29 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfApiServer
  30 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.XnfHealthCheckServer
  31 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.ArgXnfSimulatorConfiguration
  32 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.ClientConfiguration
  33 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.config.SimulatorConfiguration
  34 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.factory.ClientFactory
  35 import org.onap.dcae.collectors.veshv.utils.process.ExitCode
  36 import org.onap.dcae.collectors.veshv.utils.process.ExitSuccess
  37 import org.onap.dcae.collectors.veshv.utils.logging.Logger
  38 import org.onap.dcae.collectors.veshv.ves.message.generator.factory.MessageGeneratorFactory
  39
  40 private const val PACKAGE_NAME = "org.onap.dcae.collectors.veshv.simulators.xnf"
  41 private val logger = Logger(PACKAGE_NAME)
  42 const val PROGRAM_NAME = "java $PACKAGE_NAME.MainKt"
  43
  44 /**
  45  * @author Jakub Dudycz <jakub.dudycz@nokia.com>
  46  * @since June 2018
  47  */
  48 fun main(args: Array<String>): Unit =
  49         ArgXnfSimulatorConfiguration().parse(args)
  50                 .fold(handleWrongArgumentErrorCurried(PROGRAM_NAME), ::startServers)
  51                 .let(ExitCode::doExit)
  52
  53 private fun startServers(config: SimulatorConfiguration): ExitCode {
  54     logger.info { "Using configuration: $config" }
  55
  56     XnfHealthCheckServer().startServer(config).block()
  57
  58     val clientConfig = ClientConfiguration(HashSet.of(config.hvVesAddress), config.securityProvider)
  59     val xnfSimulator = XnfSimulator(
  60             ClientFactory(clientConfig),
  61             MessageGeneratorFactory(config.maxPayloadSizeBytes)
  62     )
  63     val xnfApiServerHandler = XnfApiServer(xnfSimulator, OngoingSimulations())
  64             .start(config.listenAddress)
  65             .block()
  66
  67     logger.info { "Started xNF Simulator API server" }
  68     HealthState.INSTANCE.changeState(HealthDescription.IDLE)
  69
  70     xnfApiServerHandler.await().block()
  71     return ExitSuccess
  72 }
  73