org.asynchttpclient.shaded.io.netty.channel.epoll.EpollServerChannelConfig Maven / Gradle / Ivy
/*
* Copyright 2015 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 org.asynchttpclient.shaded.io.netty.channel.epoll;
import org.asynchttpclient.shaded.io.netty.buffer.ByteBufAllocator;
import org.asynchttpclient.shaded.io.netty.channel.ChannelException;
import org.asynchttpclient.shaded.io.netty.channel.ChannelOption;
import org.asynchttpclient.shaded.io.netty.channel.MessageSizeEstimator;
import org.asynchttpclient.shaded.io.netty.channel.RecvByteBufAllocator;
import org.asynchttpclient.shaded.io.netty.channel.WriteBufferWaterMark;
import org.asynchttpclient.shaded.io.netty.channel.socket.ServerSocketChannelConfig;
import org.asynchttpclient.shaded.io.netty.util.NetUtil;
import java.io.IOException;
import java.util.Map;
import static org.asynchttpclient.shaded.io.netty.channel.ChannelOption.SO_BACKLOG;
import static org.asynchttpclient.shaded.io.netty.channel.ChannelOption.SO_RCVBUF;
import static org.asynchttpclient.shaded.io.netty.channel.ChannelOption.SO_REUSEADDR;
import static org.asynchttpclient.shaded.io.netty.util.internal.ObjectUtil.checkPositiveOrZero;
public class EpollServerChannelConfig extends EpollChannelConfig implements ServerSocketChannelConfig {
private volatile int backlog = NetUtil.SOMAXCONN;
private volatile int pendingFastOpenRequestsThreshold;
EpollServerChannelConfig(AbstractEpollChannel channel) {
super(channel);
}
@Override
public Map, Object> getOptions() {
return getOptions(super.getOptions(), SO_RCVBUF, SO_REUSEADDR, SO_BACKLOG, EpollChannelOption.TCP_FASTOPEN);
}
@SuppressWarnings("unchecked")
@Override
public T getOption(ChannelOption option) {
if (option == SO_RCVBUF) {
return (T) Integer.valueOf(getReceiveBufferSize());
}
if (option == SO_REUSEADDR) {
return (T) Boolean.valueOf(isReuseAddress());
}
if (option == SO_BACKLOG) {
return (T) Integer.valueOf(getBacklog());
}
if (option == EpollChannelOption.TCP_FASTOPEN) {
return (T) Integer.valueOf(getTcpFastopen());
}
return super.getOption(option);
}
@Override
public boolean setOption(ChannelOption option, T value) {
validate(option, value);
if (option == SO_RCVBUF) {
setReceiveBufferSize((Integer) value);
} else if (option == SO_REUSEADDR) {
setReuseAddress((Boolean) value);
} else if (option == SO_BACKLOG) {
setBacklog((Integer) value);
} else if (option == EpollChannelOption.TCP_FASTOPEN) {
setTcpFastopen((Integer) value);
} else {
return super.setOption(option, value);
}
return true;
}
@Override
public boolean isReuseAddress() {
try {
return ((AbstractEpollChannel) channel).socket.isReuseAddress();
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public EpollServerChannelConfig setReuseAddress(boolean reuseAddress) {
try {
((AbstractEpollChannel) channel).socket.setReuseAddress(reuseAddress);
return this;
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public int getReceiveBufferSize() {
try {
return ((AbstractEpollChannel) channel).socket.getReceiveBufferSize();
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public EpollServerChannelConfig setReceiveBufferSize(int receiveBufferSize) {
try {
((AbstractEpollChannel) channel).socket.setReceiveBufferSize(receiveBufferSize);
return this;
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public int getBacklog() {
return backlog;
}
@Override
public EpollServerChannelConfig setBacklog(int backlog) {
checkPositiveOrZero(backlog, "backlog");
this.backlog = backlog;
return this;
}
/**
* Returns threshold value of number of pending for fast open connect.
*
* @see RFC 7413 Passive Open
*/
public int getTcpFastopen() {
return pendingFastOpenRequestsThreshold;
}
/**
* Enables tcpFastOpen on the server channel. If the underlying os doesnt support TCP_FASTOPEN setting this has no
* effect. This has to be set before doing listen on the socket otherwise this takes no effect.
*
* @param pendingFastOpenRequestsThreshold number of requests to be pending for fastopen at a given point in time
* for security. @see RFC 7413 Passive Open
*
* @see RFC 7413 TCP FastOpen
*/
public EpollServerChannelConfig setTcpFastopen(int pendingFastOpenRequestsThreshold) {
checkPositiveOrZero(this.pendingFastOpenRequestsThreshold, "pendingFastOpenRequestsThreshold");
this.pendingFastOpenRequestsThreshold = pendingFastOpenRequestsThreshold;
return this;
}
@Override
public EpollServerChannelConfig setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
return this;
}
@Override
public EpollServerChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
super.setConnectTimeoutMillis(connectTimeoutMillis);
return this;
}
@Override
@Deprecated
public EpollServerChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
super.setMaxMessagesPerRead(maxMessagesPerRead);
return this;
}
@Override
public EpollServerChannelConfig setWriteSpinCount(int writeSpinCount) {
super.setWriteSpinCount(writeSpinCount);
return this;
}
@Override
public EpollServerChannelConfig setAllocator(ByteBufAllocator allocator) {
super.setAllocator(allocator);
return this;
}
@Override
public EpollServerChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
super.setRecvByteBufAllocator(allocator);
return this;
}
@Override
public EpollServerChannelConfig setAutoRead(boolean autoRead) {
super.setAutoRead(autoRead);
return this;
}
@Override
@Deprecated
public EpollServerChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
return this;
}
@Override
@Deprecated
public EpollServerChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
return this;
}
@Override
public EpollServerChannelConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
super.setWriteBufferWaterMark(writeBufferWaterMark);
return this;
}
@Override
public EpollServerChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
super.setMessageSizeEstimator(estimator);
return this;
}
@Override
public EpollServerChannelConfig setEpollMode(EpollMode mode) {
super.setEpollMode(mode);
return this;
}
}