68 lines
2.7 KiB
Kotlin
68 lines
2.7 KiB
Kotlin
/*
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* Copyright 2010 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 dorkbox.network.rmi.messages
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import com.esotericsoftware.kryo.Kryo
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import com.esotericsoftware.kryo.Serializer
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import com.esotericsoftware.kryo.io.Input
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import com.esotericsoftware.kryo.io.Output
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import dorkbox.network.connection.KryoExtra
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import dorkbox.network.rmi.RmiServer
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/**
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* This is required, because with RMI, it is possible that the IMPL and IFACE can have DIFFERENT class IDs, in which case, the "client" cannot read the correct
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* objects (because the IMPL class might not be registered, or that ID might be registered to a different class)
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*/
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class DOResponseSerializer : Serializer<DynamicObjectResponse>() {
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override fun write(kryo: Kryo, output: Output, objectResponse: DynamicObjectResponse) {
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output.writeInt(objectResponse.rmiId, true)
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output.writeInt(objectResponse.callbackId, true)
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var id = kryo.getRegistration(objectResponse.interfaceClass).id
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output.writeInt(id, true)
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id = if (objectResponse.remoteObject != null) {
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val kryoExtra = kryo as KryoExtra
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kryoExtra.rmiSupport.getRegisteredId(objectResponse.remoteObject)
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} else {
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// can be < 0 or >= RmiBridge.INVALID_RMI (Integer.MAX_VALUE)
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-1
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}
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output.writeInt(id, false)
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}
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override fun read(kryo: Kryo, input: Input, implementationType: Class<out DynamicObjectResponse>): DynamicObjectResponse {
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val rmiId = input.readInt(true)
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val callbackId = input.readInt(true)
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val interfaceClassId = input.readInt(true)
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val remoteObjectId = input.readInt(false)
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// // We have to lookup the iface, since the proxy object requires it
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val iface = kryo.getRegistration(interfaceClassId).type
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var remoteObject: Any? = null
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if (remoteObjectId >= 0 && remoteObjectId < RmiServer.INVALID_RMI) {
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val kryoExtra = kryo as KryoExtra
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val connection = kryoExtra.connection
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remoteObject = kryoExtra.rmiSupport.getProxyObject(connection, remoteObjectId, iface)
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}
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return DynamicObjectResponse(iface, rmiId, callbackId, remoteObject)
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}
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}
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