199 lines
5.2 KiB
Java
199 lines
5.2 KiB
Java
/*
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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.connection.wrapper;
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import java.net.InetSocketAddress;
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import javax.crypto.SecretKey;
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import dorkbox.network.connection.ConnectionImpl;
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import dorkbox.network.connection.ConnectionPoint;
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import dorkbox.network.connection.ISessionManager;
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import dorkbox.network.connection.registration.MetaChannel;
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import io.netty.util.NetUtil;
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public
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class ChannelNetworkWrapper implements ChannelWrapper {
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private final int sessionId;
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private final ChannelNetwork tcp;
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private final ChannelNetwork udp;
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// did the remote connection public ECC key change?
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private final boolean remotePublicKeyChanged;
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private final String remoteAddress;
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private final boolean isLoopback;
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private final SecretKey secretKey;
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public
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ChannelNetworkWrapper(final MetaChannel metaChannel, final InetSocketAddress remoteAddress) {
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this.sessionId = metaChannel.sessionId;
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this.isLoopback = remoteAddress.getAddress().equals(NetUtil.LOCALHOST);
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if (metaChannel.tcpChannel != null) {
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this.tcp = new ChannelNetwork(metaChannel.tcpChannel);
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} else {
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this.tcp = null;
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}
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if (metaChannel.udpChannel != null) {
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this.udp = new ChannelNetwork(metaChannel.udpChannel);
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}
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else {
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this.udp = null;
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}
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this.remoteAddress = remoteAddress.getAddress().getHostAddress();
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this.remotePublicKeyChanged = metaChannel.changedRemoteKey;
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// AES key (only for networked connections)
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secretKey = metaChannel.secretKey;
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}
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public final
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boolean remoteKeyChanged() {
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return this.remotePublicKeyChanged;
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}
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@Override
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public
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ConnectionPoint tcp() {
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return this.tcp;
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}
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@Override
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public
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ConnectionPoint udp() {
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return this.udp;
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}
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/**
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* Flushes the contents of the TCP/UDP/etc pipes to the actual transport.
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*/
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@Override
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public
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void flush() {
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if (this.tcp != null) {
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this.tcp.flush();
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}
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if (this.udp != null) {
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this.udp.flush();
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}
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}
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/**
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* @return the AES key.
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*/
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@Override
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public
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SecretKey cryptoKey() {
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return this.secretKey;
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}
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@Override
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public
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boolean isLoopback() {
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return isLoopback;
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}
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@Override
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public
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String getRemoteHost() {
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return this.remoteAddress;
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}
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@Override
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public
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void close(final ConnectionImpl connection, final ISessionManager sessionManager, boolean hintedClose) {
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// long maxShutdownWaitTimeInMilliSeconds = EndPoint.maxShutdownWaitTimeInMilliSeconds;
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//
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// if (this.tcp != null) {
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// this.tcp.close(0, maxShutdownWaitTimeInMilliSeconds);
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// }
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//
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// if (this.udp != null) {
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// if (hintedClose) {
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// // we already hinted that we should close this channel... don't do it again!
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// this.udp.close(0, maxShutdownWaitTimeInMilliSeconds);
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// }
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// else {
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// // send a hint to the other connection that we should close. While not always 100% successful, this helps clean up connections
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// // on the remote end
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// try {
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// this.udp.write(new DatagramCloseMessage());
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// this.udp.flush();
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// this.udp.close(200, maxShutdownWaitTimeInMilliSeconds);
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// }
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// }
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//
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// // we need to yield the thread here, so that the socket has a chance to close
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// Thread.yield();
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}
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@Override
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public
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int id() {
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return this.sessionId;
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}
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@Override
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public
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int hashCode() {
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// a unique ID for every connection. However, these ID's can also be reused
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return this.sessionId;
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}
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@Override
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public
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boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (!super.equals(obj)) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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ChannelNetworkWrapper other = (ChannelNetworkWrapper) obj;
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if (this.remoteAddress == null) {
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if (other.remoteAddress != null) {
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return false;
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}
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}
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else if (!this.remoteAddress.equals(other.remoteAddress)) {
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return false;
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}
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return true;
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}
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@Override
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public
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String toString() {
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return "NetworkConnection [" + getRemoteHost() + "]";
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}
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}
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