Network/test/dorkboxTest/network/ShutdownWhileInBadStateTest.kt

/*
 * Copyright 2023 dorkbox, llc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package dorkboxTest.network

import dorkbox.bytes.sha256
import dorkbox.executor.Executor.Companion.log
import dorkbox.network.Client
import dorkbox.network.Server
import dorkbox.network.connection.Connection
import dorkbox.util.Sys
import kotlinx.atomicfu.atomic
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import org.agrona.ExpandableDirectByteBuffer
import org.agrona.concurrent.SigInt
import org.junit.Assert
import org.junit.Test
import java.io.File
import java.security.SecureRandom

class ShutdownWhileInBadStateTest : BaseTest() {

    @Test
    fun shutdownWhileClientConnecting() {
        val isRunning = atomic(true)

        val client = run {
            val config = clientConfig()

            val client: Client<Connection> = Client(config) {
                Connection(it)
            }
            addEndPoint(client)

            client
        }

        GlobalScope.launch(Dispatchers.IO) {
            // there might be errors while trying to reconnect. Make sure that we constantly retry.
            while (isRunning.value) {
                try {
                    // if the server isn't available, wait forever.
                    client.connect(LOCALHOST, 2222, connectionTimeoutSec = 0) // bad port
                    return@launch
                } catch (ignored: Exception) {
                }
            }
        }

        // at wait for the connection process to start
        Thread.sleep(4000)
        isRunning.lazySet(false)
        client.close()

        waitForThreads()
    }

    @Test
    fun shutdownServerBeforeBind() {
        val server = run {
            val configuration = serverConfig()

            val server: Server<Connection> = Server(configuration)
            addEndPoint(server)

            server
        }

        server.close()

        waitForThreads()
    }
}