405 lines
12 KiB
Kotlin
405 lines
12 KiB
Kotlin
/*
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* Copyright 2023 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkboxTest.network
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import dorkbox.network.Client
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import dorkbox.network.Server
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import dorkbox.network.aeron.AeronDriver
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import dorkbox.network.connection.Connection
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import dorkbox.network.connection.EndPoint
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import dorkbox.network.rmi.RemoteObject
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import kotlinx.atomicfu.atomic
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import org.junit.Assert
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import org.junit.Test
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import org.slf4j.LoggerFactory
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import java.util.concurrent.*
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class DisconnectReconnectTest : BaseTest() {
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private val reconnects = 5
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@Test
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fun reconnectClient() {
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val latch = CountDownLatch(reconnects+1)
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val reconnectCount = atomic(0)
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val server = run {
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val config = serverConfig()
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val server: Server<Connection> = Server(config)
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addEndPoint(server)
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server.onConnect {
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logger.error("Disconnecting after 2 seconds.")
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pause(2000L)
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logger.error("Disconnecting....")
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close()
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}
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server
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}
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val client = run {
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val config = clientConfig()
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client: Client<Connection> = Client(config)
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addEndPoint(client)
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client.onDisconnect {
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latch.countDown()
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logger.error("Disconnected!")
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val count = reconnectCount.getAndIncrement()
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if (count < reconnects) {
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logger.error("Reconnecting: $count")
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client.reconnect()
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}
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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latch.await()
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stopEndPoints()
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waitForThreads()
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System.err.println("Connection count (after reconnecting) is: " + reconnectCount.value)
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Assert.assertEquals(reconnects+1, reconnectCount.value)
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}
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@Test
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fun reconnectClientViaClientClose() {
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val latch = CountDownLatch(reconnects+1)
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val reconnectCount = atomic(0)
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val server = run {
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val config = serverConfig {
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uniqueAeronDirectory = true
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}
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val server: Server<Connection> = Server(config)
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addEndPoint(server)
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server
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}
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val client = run {
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val config = clientConfig {
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uniqueAeronDirectory = true
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}
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client: Client<Connection> = Client(config)
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addEndPoint(client)
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client.onConnect {
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logger.error("Disconnecting after 2 seconds.")
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pause(2000)
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logger.error("Disconnecting....")
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close()
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}
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client.onDisconnect {
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latch.countDown()
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logger.error("Disconnected!")
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val count = reconnectCount.getAndIncrement()
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if (count < reconnects) {
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logger.error("Reconnecting: $count")
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client.reconnect()
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}
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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latch.await()
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stopEndPoints()
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waitForThreads()
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System.err.println("Connection count (after reconnecting) is: " + reconnectCount.value)
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Assert.assertEquals(reconnects+1, reconnectCount.value)
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}
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interface CloseIface {
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fun close()
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}
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class CloseImpl : CloseIface {
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override fun close() {
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// the connection specific one is called instead
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}
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fun close(connection: Connection) {
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connection.close()
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}
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}
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@Test
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fun reconnectRmiClient() {
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val latch = CountDownLatch(reconnects+1)
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val reconnectCount = atomic(0)
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val CLOSE_ID = 33
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val server = run {
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val config = serverConfig()
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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config.serialization.rmi.register(CloseIface::class.java)
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val server: Server<Connection> = Server(config)
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addEndPoint(server)
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server.onConnect {
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logger.error("Disconnecting after 2 seconds.")
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pause(2000)
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logger.error("Disconnecting via RMI ....")
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val closerObject = rmi.get<CloseIface>(CLOSE_ID)
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// the close operation will kill the connection, preventing the response from returning.
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RemoteObject.cast(closerObject).async = true
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// this just calls connection.close() (on the client)
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closerObject.close()
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}
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server
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}
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val client = run {
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val config = clientConfig()
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config.serialization.rmi.register(CloseIface::class.java, CloseImpl::class.java)
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client: Client<Connection> = Client(config)
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addEndPoint(client)
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client.onInit {
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rmi.save(CloseImpl(), CLOSE_ID)
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}
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client.onDisconnect {
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latch.countDown()
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logger.error("Disconnected!")
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val count = reconnectCount.getAndIncrement()
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if (count < reconnects) {
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logger.error("Reconnecting: $count")
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client.reconnect()
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}
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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latch.await()
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stopEndPoints()
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waitForThreads()
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//System.err.println("Connection count (after reconnecting) is: " + reconnectCount.value)
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Assert.assertEquals(reconnects+1, reconnectCount.value)
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}
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@Test
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fun manualMediaDriverAndReconnectClient() {
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val latch = CountDownLatch(reconnects+1)
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val reconnectCount = atomic(0)
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val log = LoggerFactory.getLogger("DCUnitTest")
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// NOTE: once a config is assigned to a driver, the config cannot be changed
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val aeronDriver = AeronDriver(serverConfig(), log, null)
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aeronDriver.start()
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val server = run {
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val config = serverConfig()
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val server: Server<Connection> = Server(config)
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addEndPoint(server, false)
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server.onConnect {
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logger.error("Disconnecting after 2 seconds.")
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pause(2000)
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logger.error("Disconnecting....")
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close()
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}
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server
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}
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val client = run {
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val config = clientConfig()
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client: Client<Connection> = Client(config)
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addEndPoint(client, false)
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client.onDisconnect {
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latch.countDown()
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logger.error("Disconnected!")
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val count = reconnectCount.getAndIncrement()
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if (count < reconnects) {
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logger.error("Reconnecting: $count")
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client.reconnect()
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}
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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latch.await()
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stopEndPoints()
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waitForThreads()
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aeronDriver.close()
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//System.err.println("Connection count (after reconnecting) is: " + reconnectCount.value)
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Assert.assertEquals(reconnects+1, reconnectCount.value)
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}
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@Test
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fun reconnectWithFallbackClient() {
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if (EndPoint.DEBUG_CONNECTIONS) {
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throw RuntimeException("DEBUG_CONNECTIONS is enabled. This will cause the test to run forever!!")
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}
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val latch = CountDownLatch(reconnects+1)
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val reconnectCount = atomic(0)
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// this tests IPC with fallback to UDP (because the server has IPC disabled, and the client has it enabled)
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val server = run {
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val config = serverConfig()
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config.enableIpc = false
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val server: Server<Connection> = Server(config)
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addEndPoint(server)
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server.onConnect {
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logger.error("Disconnecting after 2 seconds.")
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pause(2000)
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logger.error("Disconnecting....")
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close()
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}
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server
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}
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val client = run {
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val config = clientConfig()
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config.enableIpc = true
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client: Client<Connection> = Client(config)
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addEndPoint(client)
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client.onDisconnect {
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logger.error("Disconnected!")
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latch.countDown()
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val count = reconnectCount.getAndIncrement()
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if (count < reconnects) {
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logger.error("Reconnecting: $count")
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client.reconnect()
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}
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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latch.await()
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stopEndPoints()
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waitForThreads()
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//System.err.println("Connection count (after reconnecting) is: " + reconnectCount.value)
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Assert.assertEquals(reconnects+1, reconnectCount.value)
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}
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@Test
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fun disconnectedMediaDriver() {
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val server = run {
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val config = serverConfig()
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config.enableIpc = false
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config.uniqueAeronDirectory = true
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val server = Server<Connection>(config)
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addEndPoint(server)
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server.onConnect {
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logger.error("Connected!")
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}
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server
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}
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val client = run {
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val config = clientConfig()
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config.enableIpc = false
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config.uniqueAeronDirectory = true
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config.connectionCloseTimeoutInSeconds = 0 // we want the unit test to go fast (there will be a limit with aeron linger, etc)
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val client = Client<Connection>(config)
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addEndPoint(client)
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client.onConnect {
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logger.error("Connected!")
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}
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client.onDisconnect {
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stopEndPoints()
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}
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client
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}
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server.bind(2000)
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client.connect(LOCALHOST, 2000)
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server.close()
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waitForThreads()
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}
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}
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