Coverage Summary for Class: PeerClient (org.ethereum.net.client)
Class |
Method, %
|
Line, %
|
PeerClient |
0%
(0/3)
|
0%
(0/17)
|
PeerClient$1 |
0%
(0/2)
|
0%
(0/3)
|
Total |
0%
(0/5)
|
0%
(0/20)
|
1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2017 RSK Labs Ltd.
4 * (derived from ethereumJ library, Copyright (c) 2016 <ether.camp>)
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 package org.ethereum.net.client;
21
22 import io.netty.bootstrap.Bootstrap;
23 import io.netty.channel.ChannelFuture;
24 import io.netty.channel.ChannelOption;
25 import io.netty.channel.DefaultMessageSizeEstimator;
26 import io.netty.channel.EventLoopGroup;
27 import io.netty.channel.nio.NioEventLoopGroup;
28 import io.netty.channel.socket.nio.NioSocketChannel;
29 import org.ethereum.config.SystemProperties;
30 import org.ethereum.listener.EthereumListener;
31 import org.ethereum.net.EthereumChannelInitializerFactory;
32 import org.ethereum.net.server.EthereumChannelInitializer;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35
36 import java.util.concurrent.ThreadFactory;
37 import java.util.concurrent.atomic.AtomicInteger;
38
39
40 /**
41 * This class creates the connection to an remote address using the Netty framework
42 *
43 * @see <a href="http://netty.io">http://netty.io</a>
44 */
45 public class PeerClient {
46
47 private static final Logger logger = LoggerFactory.getLogger("net");
48
49 private final SystemProperties config;
50 private final EthereumListener ethereumListener;
51 private final EthereumChannelInitializerFactory ethereumChannelInitializerFactory;
52
53 public PeerClient(SystemProperties config, EthereumListener ethereumListener, EthereumChannelInitializerFactory ethereumChannelInitializerFactory) {
54 this.config = config;
55 this.ethereumListener = ethereumListener;
56 this.ethereumChannelInitializerFactory = ethereumChannelInitializerFactory;
57 }
58
59 private static EventLoopGroup workerGroup = new NioEventLoopGroup(0, new ThreadFactory() {
60 AtomicInteger cnt = new AtomicInteger(0);
61 @Override
62 public Thread newThread(Runnable r) {
63 return new Thread(r, "EthJClientWorker-" + cnt.getAndIncrement());
64 }
65 });
66
67 public ChannelFuture connectAsync(String host, int port, String remoteId) {
68 ethereumListener.trace("Connecting to: " + host + ":" + port);
69
70 EthereumChannelInitializer ethereumChannelInitializer = ethereumChannelInitializerFactory.newInstance(remoteId);
71
72 Bootstrap b = new Bootstrap();
73 b.group(workerGroup);
74 b.channel(NioSocketChannel.class);
75
76 b.option(ChannelOption.SO_KEEPALIVE, true);
77 b.option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, DefaultMessageSizeEstimator.DEFAULT);
78 b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, config.peerConnectionTimeout());
79 b.remoteAddress(host, port);
80
81 b.handler(ethereumChannelInitializer);
82
83 // Start the client.
84 return b.connect();
85 }
86
87 }