| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.tuweni.ethclient |
| |
| import org.apache.tuweni.devp2p.eth.Status |
| import org.apache.tuweni.peer.repository.Identity |
| import org.apache.tuweni.rlpx.WireConnectionRepository |
| import org.apache.tuweni.rlpx.wire.SubProtocolIdentifier |
| import org.apache.tuweni.rlpx.wire.WireConnection |
| import java.time.Instant |
| import java.util.concurrent.ConcurrentHashMap |
| |
| /** |
| * Class bridging the subprotocols and the connection repository of the RLPx service, updating the Ethereum peer repository with information. |
| */ |
| class WireConnectionPeerRepositoryAdapter(val peerRepository: EthereumPeerRepository) : WireConnectionRepository { |
| |
| private val wireConnectionToIdentities = ConcurrentHashMap<String, Identity>() |
| private val connections = ConcurrentHashMap<String, WireConnection>() |
| private val connectionListeners = ArrayList<WireConnectionRepository.Listener>() |
| |
| private val disconnectionListeners = ArrayList<WireConnectionRepository.Listener>() |
| |
| override fun addConnectionListener(listener: WireConnectionRepository.Listener) { |
| connectionListeners.add(listener) |
| } |
| |
| override fun addDisconnectionListener(listener: WireConnectionRepository.Listener) { |
| disconnectionListeners.add(listener) |
| } |
| |
| override fun add(wireConnection: WireConnection): String { |
| val id = |
| peerRepository.storeIdentity(wireConnection.peerHost(), wireConnection.peerPort(), wireConnection.peerPublicKey()) |
| |
| val peer = peerRepository.storePeer(id, Instant.now(), Instant.now()) |
| peerRepository.addConnection(peer, id) |
| connections[id.id()] = wireConnection |
| wireConnectionToIdentities[wireConnection.uri()] = peer.id() |
| wireConnection.registerListener { |
| if (it == WireConnection.Event.CONNECTED) { |
| for (listener in connectionListeners) { |
| listener.connectionEvent(wireConnection) |
| } |
| } else if (it == WireConnection.Event.DISCONNECTED) { |
| for (listener in disconnectionListeners) { |
| listener.connectionEvent(wireConnection) |
| } |
| peerRepository.markConnectionInactive(peer, id) |
| } |
| } |
| return id.id() |
| } |
| |
| override fun get(id: String): WireConnection? = connections[id] |
| |
| override fun asIterable(): Iterable<WireConnection> = connections.values |
| |
| override fun asIterable(identifier: SubProtocolIdentifier): Iterable<WireConnection> = |
| connections.values.filter { conn -> conn.supports(identifier) } |
| |
| override fun close() { |
| connections.clear() |
| wireConnectionToIdentities.clear() |
| } |
| |
| fun get(ethereumConnection: EthereumConnection): WireConnection { |
| val conn = connections[ethereumConnection.identity().id()] ?: throw NoSuchElementException("No connection available") |
| return conn |
| } |
| |
| fun listenToStatus(conn: WireConnection, status: Status) { |
| wireConnectionToIdentities[conn.uri()]?.let { peerRepository.storeStatus(it, status) } |
| } |
| } |