432 lines
14 KiB
Kotlin
432 lines
14 KiB
Kotlin
/*
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* Copyright 2020 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.rmi
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import dorkbox.network.Client
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import dorkbox.network.Server
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import dorkbox.network.connection.Connection
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import dorkboxTest.network.BaseTest
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import kotlinx.coroutines.runBlocking
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import org.junit.Assert
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import org.junit.Test
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import java.util.concurrent.atomic.AtomicInteger
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@Suppress("unused", "RedundantSuspendModifier")
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class RmiNestedTest : BaseTest() {
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companion object {
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private val idCounter = AtomicInteger()
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}
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/**
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* In this test the server has two objects in an object space.
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*
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* The client uses the first remote object to get the second remote object.
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*
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*
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* The MAJOR difference in this version, is that we use an interface to override the methods, so that we can have the RMI system pass
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* in the connection object.
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*
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* Specifically, from CachedMethod.java
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*
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* In situations where we want to pass in the Connection (to an RMI method), we have to be able to override method A, with method B.
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* This is to support calling RMI methods from an interface (that does pass the connection reference) to
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* an implType, that DOES pass the connection reference. The remote side (that initiates the RMI calls), MUST use
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* the interface, and the implType may override the method, so that we add the connection as the first in
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* the list of parameters.
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*
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* for example:
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* Interface: foo(String x)
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* Impl: foo(Connection c, String x)
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*
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* The implType (if it exists, with the same name, and with the same signature + connection parameter) will be called from the interface
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* instead of the method that would NORMALLY be called.
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*/
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@Test
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fun biDirectionalDoubleRmi() {
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run {
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val configuration = serverConfig()
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configuration.serialization.registerRmi(TestObject::class.java, TestObjectAnnotImpl::class.java)
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configuration.serialization.registerRmi(OtherObject::class.java, OtherObjectImpl::class.java)
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val server = Server<Connection>(configuration)
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addEndPoint(server)
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server.onMessage<OtherObject> { connection, message ->
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// The test is complete when the client sends the OtherObject instance.
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// this 'object' is the REAL object, not a proxy, because this object is created within this connection.
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if (message.value() == 12.34f) {
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stopEndPoints()
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} else {
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Assert.fail("Incorrect object value")
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}
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}
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server.bind()
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}
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run {
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val configuration = clientConfig()
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val client = Client<Connection>(configuration)
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addEndPoint(client)
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client.onConnect { connection ->
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connection.logger.error("Connected")
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connection.createObject<TestObject> {
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connection.logger.error("Starting test")
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setValue(43.21f)
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// Normal remote method call.
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Assert.assertEquals(43.21f, other(), .0001f)
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// Make a remote method call that returns another remote proxy object.
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// the "test" object exists in the REMOTE side, as does the "OtherObject" that is created.
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// here we have a proxy to both of them.
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val otherObject: OtherObject = getOtherObject()
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// Normal remote method call on the second object.
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otherObject.setValue(12.34f)
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val value = otherObject.value()
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Assert.assertEquals(12.34f, value, .0001f)
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// make sure the "local" object and the "remote" object have the same values
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Assert.assertEquals(12.34f, getOtherValue(), .0001f)
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// When a proxy object is sent, the other side receives its ACTUAL object (not a proxy of it), because
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// that is where that object actually exists.
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connection.send(otherObject)
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}
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}
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runBlocking {
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client.connect(LOOPBACK, 5000)
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}
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}
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waitForThreads()
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}
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@Test
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fun doubleRmi() {
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run {
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val configuration = serverConfig()
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configuration.serialization.registerRmi(TestObject::class.java, TestObjectAnnotImpl::class.java)
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configuration.serialization.registerRmi(OtherObject::class.java, OtherObjectImpl::class.java)
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val server = Server<Connection>(configuration)
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addEndPoint(server)
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server.onMessage<OtherObject> { connection, message ->
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// The test is complete when the client sends the OtherObject instance.
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// this 'object' is the REAL object, not a proxy, because this object is created within this connection.
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if (message.value() == 12.34f) {
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stopEndPoints()
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} else {
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Assert.fail("Incorrect object value")
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}
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}
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server.bind()
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}
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run {
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val configuration = clientConfig()
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val client = Client<Connection>(configuration)
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addEndPoint(client)
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client.onConnect { connection ->
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connection.logger.error("Connected")
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connection.createObject<TestObject> {
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connection.logger.error("Starting test")
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setValue(43.21f)
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// Normal remote method call.
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Assert.assertEquals(43.21f, other(), .0001f)
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// Make a remote method call that returns another remote proxy object.
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// the "test" object exists in the REMOTE side, as does the "OtherObject" that is created.
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// here we have a proxy to both of them.
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val otherObject: OtherObject = getOtherObject()
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// Normal remote method call on the second object.
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otherObject.setValue(12.34f)
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val value = otherObject.value()
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Assert.assertEquals(12.34f, value, .0001f)
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// make sure the "local" object and the "remote" object have the same values
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Assert.assertEquals(12.34f, getOtherValue(), .0001f)
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// When a proxy object is sent, the other side receives its ACTUAL object (not a proxy of it), because
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// that is where that object actually exists.
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connection.send(otherObject)
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}
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}
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runBlocking {
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client.connect(LOOPBACK, 5000)
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}
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}
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waitForThreads()
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}
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@Test
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fun singleRmi() {
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run {
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val configuration = serverConfig()
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configuration.serialization.registerRmi(TestObject::class.java, TestObjectImpl::class.java)
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configuration.serialization.register(OtherObjectImpl::class.java)
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val server = Server<Connection>(configuration)
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addEndPoint(server)
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server.onMessage<OtherObject> { connection, message ->
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// The test is complete when the client sends the OtherObject instance.
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// this 'object' is the REAL object
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if (message.value() == 43.21f) {
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stopEndPoints()
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} else {
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Assert.fail("Incorrect object value")
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}
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}
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server.bind()
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}
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run {
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val configuration = clientConfig()
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val client = Client<Connection>(configuration)
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addEndPoint(client)
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client.onConnect { connection ->
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connection.logger.error("Connected")
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connection.createObject<TestObject> {
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connection.logger.error("Starting test")
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setOtherValue(43.21f)
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// Normal remote method call.
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Assert.assertEquals(43.21f, getOtherValue(), .0001f)
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// real object
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val otherObject: OtherObject = getOtherObject()
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// Normal remote method call on the second object.
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val value = otherObject.value()
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Assert.assertEquals(43.21f, value, .0001f)
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// When a proxy object is sent, the other side receives its ACTUAL object (not a proxy of it), because
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// that is where that object actually exists.
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connection.send(otherObject)
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}
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}
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runBlocking {
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client.connect(LOOPBACK, 5000)
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}
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}
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waitForThreads()
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}
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@Test
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fun singleReverseRmi() {
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run {
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val configuration = serverConfig()
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configuration.serialization.registerRmi(TestObject::class.java, null)
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configuration.serialization.register(OtherObjectImpl::class.java)
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val server = Server<Connection>(configuration)
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addEndPoint(server)
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server.onConnect { connection ->
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connection.logger.error("Connected")
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connection.createObject<TestObject> {
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connection.logger.error("Starting test")
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setOtherValue(43.21f)
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// Normal remote method call.
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Assert.assertEquals(43.21f, getOtherValue(), .0001f)
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// real object
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val otherObject: OtherObject = getOtherObject()
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// Normal remote method call on the second object.
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val value = otherObject.value()
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Assert.assertEquals(43.21f, value, .0001f)
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// When a proxy object is sent, the other side receives its ACTUAL object (not a proxy of it), because
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// that is where that object actually exists.
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connection.send(otherObject)
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}
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}
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server.bind()
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}
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run {
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val configuration = clientConfig()
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configuration.serialization.registerRmi(TestObject::class.java, TestObjectImpl::class.java)
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val client = Client<Connection>(configuration)
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addEndPoint(client)
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client.onMessage<OtherObject> { connection, message ->
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// The test is complete when the client sends the OtherObject instance.
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// this 'object' is the REAL object
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if (message.value() == 43.21f) {
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stopEndPoints()
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} else {
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Assert.fail("Incorrect object value")
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}
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}
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runBlocking {
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client.connect(LOOPBACK, 5000)
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}
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}
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waitForThreads()
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}
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private interface TestObject {
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suspend fun setValue(aFloat: Float)
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suspend fun setOtherValue(aFloat: Float)
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suspend fun getOtherValue(): Float
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fun other(): Float
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fun getOtherObject(): OtherObject
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}
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private interface OtherObject {
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fun setValue(aFloat: Float)
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fun value(): Float
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}
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private class TestObjectImpl : TestObject {
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@Transient
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private val ID = idCounter.getAndIncrement()
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private val otherObject: OtherObject = OtherObjectImpl()
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private var aFloat = 0f
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override suspend fun setValue(aFloat: Float) {
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throw RuntimeException("Whoops!")
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}
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suspend fun setValue(connection: Connection, aFloat: Float) {
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connection.logger.error("receiving")
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this.aFloat = aFloat
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}
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override suspend fun setOtherValue(aFloat: Float) {
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otherObject.setValue(aFloat)
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}
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override suspend fun getOtherValue(): Float {
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return otherObject.value()
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}
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override fun other(): Float {
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throw RuntimeException("Whoops!")
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}
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fun other(connection: Connection): Float {
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return aFloat
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}
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override fun getOtherObject(): OtherObject {
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return otherObject
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}
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override fun hashCode(): Int {
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return ID
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}
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}
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private class TestObjectAnnotImpl : TestObject {
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@Transient
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private val ID = idCounter.getAndIncrement()
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private val otherObject: OtherObject = OtherObjectImpl()
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private var aFloat = 0f
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override suspend fun setValue(aFloat: Float) {
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throw RuntimeException("Whoops!")
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}
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suspend fun setValue(connection: Connection, aFloat: Float) {
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connection.logger.error("receiving")
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this.aFloat = aFloat
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}
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override suspend fun setOtherValue(aFloat: Float) {
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otherObject.setValue(aFloat)
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}
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override suspend fun getOtherValue(): Float {
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return otherObject.value()
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}
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override fun other(): Float {
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throw RuntimeException("Whoops!")
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}
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fun other(connection: Connection): Float {
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return aFloat
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}
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override fun getOtherObject(): OtherObject {
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return otherObject
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}
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override fun hashCode(): Int {
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return ID
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}
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}
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class OtherObjectImpl : OtherObject {
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@Transient
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private val ID = idCounter.getAndIncrement()
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private var aFloat = 0f
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override fun setValue(aFloat: Float) {
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this.aFloat = aFloat
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}
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override fun value(): Float {
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return aFloat
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}
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override fun hashCode(): Int {
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return ID
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}
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}
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}
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