/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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 io.netty.channel.epoll;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFactory;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.socket.InternetProtocolFamily;
import io.netty.channel.socket.nio.NioDatagramChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.channel.unix.DomainSocketAddress;
import io.netty.channel.unix.tests.UnixTestUtils;
import io.netty.testsuite.transport.TestsuitePermutation;
import io.netty.testsuite.transport.TestsuitePermutation.BootstrapFactory;
import io.netty.testsuite.transport.socket.SocketTestPermutation;
import io.netty.util.concurrent.DefaultThreadFactory;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
class EpollSocketTestPermutation extends SocketTestPermutation {
static final EpollSocketTestPermutation INSTANCE = new EpollSocketTestPermutation();
static final EventLoopGroup EPOLL_BOSS_GROUP =
new EpollEventLoopGroup(BOSSES, new DefaultThreadFactory("testsuite-epoll-boss", true));
static final EventLoopGroup EPOLL_WORKER_GROUP =
new EpollEventLoopGroup(WORKERS, new DefaultThreadFactory("testsuite-epoll-worker", true));
private static final InternalLogger logger = InternalLoggerFactory.getInstance(EpollSocketTestPermutation.class);
@Override
public List<TestsuitePermutation.BootstrapComboFactory<ServerBootstrap, Bootstrap>> socket() {
List<TestsuitePermutation.BootstrapComboFactory<ServerBootstrap, Bootstrap>> list =
combo(serverSocket(), clientSocket());
list.remove(list.size() - 1); // Exclude NIO x NIO test
return list;
}
@SuppressWarnings("unchecked")
@Override
public List<BootstrapFactory<ServerBootstrap>> serverSocket() {
List<BootstrapFactory<ServerBootstrap>> toReturn = new ArrayList<BootstrapFactory<ServerBootstrap>>();
toReturn.add(new BootstrapFactory<ServerBootstrap>() {
@Override
public ServerBootstrap newInstance() {
return new ServerBootstrap().group(EPOLL_BOSS_GROUP, EPOLL_WORKER_GROUP)
.channel(EpollServerSocketChannel.class);
}
});
if (isServerFastOpen()) {
toReturn.add(new BootstrapFactory<ServerBootstrap>() {
@Override
public ServerBootstrap newInstance() {
ServerBootstrap serverBootstrap = new ServerBootstrap().group(EPOLL_BOSS_GROUP, EPOLL_WORKER_GROUP)
.channel(EpollServerSocketChannel.class);
serverBootstrap.option(EpollChannelOption.TCP_FASTOPEN, 5);
return serverBootstrap;
}
});
}
toReturn.add(new BootstrapFactory<ServerBootstrap>() {
@Override
public ServerBootstrap newInstance() {
return new ServerBootstrap().group(nioBossGroup, nioWorkerGroup)
.channel(NioServerSocketChannel.class);
}
});
return toReturn;
}
@SuppressWarnings("unchecked")
@Override
public List<BootstrapFactory<Bootstrap>> clientSocket() {
return Arrays.asList(
new BootstrapFactory<Bootstrap>() {
@Override
public Bootstrap newInstance() {
return new Bootstrap().group(EPOLL_WORKER_GROUP).channel(EpollSocketChannel.class);
}
},
new BootstrapFactory<Bootstrap>() {
@Override
public Bootstrap newInstance() {
return new Bootstrap().group(nioWorkerGroup).channel(NioSocketChannel.class);
}
}
);
}
@Override
public List<TestsuitePermutation.BootstrapComboFactory<Bootstrap, Bootstrap>> datagram() {
// Make the list of Bootstrap factories.
@SuppressWarnings("unchecked")
List<BootstrapFactory<Bootstrap>> bfs = Arrays.asList(
new BootstrapFactory<Bootstrap>() {
@Override
public Bootstrap newInstance() {
return new Bootstrap().group(nioWorkerGroup).channelFactory(new ChannelFactory<Channel>() {
@Override
public Channel newChannel() {
return new NioDatagramChannel(InternetProtocolFamily.IPv4);
}
@Override
public String toString() {
return NioDatagramChannel.class.getSimpleName() + ".class";
}
});
}
},
new BootstrapFactory<Bootstrap>() {
@Override
public Bootstrap newInstance() {
return new Bootstrap().group(EPOLL_WORKER_GROUP).channel(EpollDatagramChannel.class);
}
}
);
return combo(bfs, bfs);
}
public List<TestsuitePermutation.BootstrapComboFactory<ServerBootstrap, Bootstrap>> domainSocket() {
List<TestsuitePermutation.BootstrapComboFactory<ServerBootstrap, Bootstrap>> list =
combo(serverDomainSocket(), clientDomainSocket());
return list;
}
public List<BootstrapFactory<ServerBootstrap>> serverDomainSocket() {
return Collections.<BootstrapFactory<ServerBootstrap>>singletonList(
new BootstrapFactory<ServerBootstrap>() {
@Override
public ServerBootstrap newInstance() {
return new ServerBootstrap().group(EPOLL_BOSS_GROUP, EPOLL_WORKER_GROUP)
.channel(EpollServerDomainSocketChannel.class);
}
}
);
}
public List<BootstrapFactory<Bootstrap>> clientDomainSocket() {
return Collections.<BootstrapFactory<Bootstrap>>singletonList(
new BootstrapFactory<Bootstrap>() {
@Override
public Bootstrap newInstance() {
return new Bootstrap().group(EPOLL_WORKER_GROUP).channel(EpollDomainSocketChannel.class);
}
}
);
}
public boolean isServerFastOpen() {
return AccessController.doPrivileged(new PrivilegedAction<Integer>() {
@Override
public Integer run() {
int fastopen = 0;
File file = new File("/proc/sys/net/ipv4/tcp_fastopen");
if (file.exists()) {
BufferedReader in = null;
try {
in = new BufferedReader(new FileReader(file));
fastopen = Integer.parseInt(in.readLine());
if (logger.isDebugEnabled()) {
logger.debug("{}: {}", file, fastopen);
}
} catch (Exception e) {
logger.debug("Failed to get TCP_FASTOPEN from: {}", file, e);
} finally {
if (in != null) {
try {
in.close();
} catch (Exception e) {
// Ignored.
}
}
}
} else {
if (logger.isDebugEnabled()) {
logger.debug("{}: {} (non-existent)", file, fastopen);
}
}
return fastopen;
}
}) == 3;
}
public static DomainSocketAddress newSocketAddress() {
return UnixTestUtils.newSocketAddress();
}
}