ConnectionCounts are now threadsafe
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@ -1,3 +1,19 @@
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/*
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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 dorkbox.network.handshake
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package dorkbox.network.handshake
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import org.agrona.collections.Object2IntHashMap
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import org.agrona.collections.Object2IntHashMap
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@ -9,18 +25,22 @@ import java.net.InetAddress
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internal class ConnectionCounts {
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internal class ConnectionCounts {
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private val connectionsPerIpCounts = Object2IntHashMap<InetAddress>(-1)
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private val connectionsPerIpCounts = Object2IntHashMap<InetAddress>(-1)
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@Synchronized
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fun get(inetAddress: InetAddress): Int {
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fun get(inetAddress: InetAddress): Int {
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return connectionsPerIpCounts.getOrPut(inetAddress) { 0 }
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return connectionsPerIpCounts.getOrPut(inetAddress) { 0 }
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}
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}
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@Synchronized
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fun increment(inetAddress: InetAddress, currentCount: Int) {
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fun increment(inetAddress: InetAddress, currentCount: Int) {
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connectionsPerIpCounts[inetAddress] = currentCount + 1
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connectionsPerIpCounts[inetAddress] = currentCount + 1
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}
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}
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@Synchronized
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fun decrement(inetAddress: InetAddress, currentCount: Int) {
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fun decrement(inetAddress: InetAddress, currentCount: Int) {
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connectionsPerIpCounts[inetAddress] = currentCount - 1
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connectionsPerIpCounts[inetAddress] = currentCount - 1
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}
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}
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@Synchronized
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fun decrementSlow(inetAddress: InetAddress) {
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fun decrementSlow(inetAddress: InetAddress) {
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if (connectionsPerIpCounts.containsKey(inetAddress)) {
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if (connectionsPerIpCounts.containsKey(inetAddress)) {
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val defaultVal = connectionsPerIpCounts.getValue(inetAddress)
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val defaultVal = connectionsPerIpCounts.getValue(inetAddress)
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@ -28,10 +48,12 @@ internal class ConnectionCounts {
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}
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}
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}
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}
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@Synchronized
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fun isEmpty(): Boolean {
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fun isEmpty(): Boolean {
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return connectionsPerIpCounts.isEmpty()
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return connectionsPerIpCounts.isEmpty()
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}
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}
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@Synchronized
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override fun toString(): String {
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override fun toString(): String {
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return connectionsPerIpCounts.entries.map { it.key }.joinToString()
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return connectionsPerIpCounts.entries.map { it.key }.joinToString()
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}
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}
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