forked from netty/netty
/
EpollDomainDatagramChannelConfig.java
178 lines (151 loc) · 5.6 KB
/
EpollDomainDatagramChannelConfig.java
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/*
* Copyright 2021 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:
*
* https://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.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.FixedRecvByteBufAllocator;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.unix.DomainDatagramChannelConfig;
import io.netty.util.internal.UnstableApi;
import java.io.IOException;
import java.util.Map;
import static io.netty.channel.ChannelOption.DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION;
import static io.netty.channel.ChannelOption.SO_SNDBUF;
@UnstableApi
public final class EpollDomainDatagramChannelConfig extends EpollChannelConfig implements DomainDatagramChannelConfig {
private static final RecvByteBufAllocator DEFAULT_RCVBUF_ALLOCATOR = new FixedRecvByteBufAllocator(2048);
private boolean activeOnOpen;
EpollDomainDatagramChannelConfig(EpollDomainDatagramChannel channel) {
super(channel);
setRecvByteBufAllocator(DEFAULT_RCVBUF_ALLOCATOR);
}
@Override
@SuppressWarnings("deprecation")
public Map<ChannelOption<?>, Object> getOptions() {
return getOptions(
super.getOptions(),
DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION, SO_SNDBUF);
}
@Override
@SuppressWarnings({"unchecked", "deprecation"})
public <T> T getOption(ChannelOption<T> option) {
if (option == DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION) {
return (T) Boolean.valueOf(activeOnOpen);
}
if (option == SO_SNDBUF) {
return (T) Integer.valueOf(getSendBufferSize());
}
return super.getOption(option);
}
@Override
@SuppressWarnings("deprecation")
public <T> boolean setOption(ChannelOption<T> option, T value) {
validate(option, value);
if (option == DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION) {
setActiveOnOpen((Boolean) value);
} else if (option == SO_SNDBUF) {
setSendBufferSize((Integer) value);
} else {
return super.setOption(option, value);
}
return true;
}
private void setActiveOnOpen(boolean activeOnOpen) {
if (channel.isRegistered()) {
throw new IllegalStateException("Can only changed before channel was registered");
}
this.activeOnOpen = activeOnOpen;
}
boolean getActiveOnOpen() {
return activeOnOpen;
}
@Override
public EpollDomainDatagramChannelConfig setAllocator(ByteBufAllocator allocator) {
super.setAllocator(allocator);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setAutoClose(boolean autoClose) {
super.setAutoClose(autoClose);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setAutoRead(boolean autoRead) {
super.setAutoRead(autoRead);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
super.setConnectTimeoutMillis(connectTimeoutMillis);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setEpollMode(EpollMode mode) {
super.setEpollMode(mode);
return this;
}
@Override
@Deprecated
public EpollDomainDatagramChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
super.setMaxMessagesPerRead(maxMessagesPerRead);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setMaxMessagesPerWrite(int maxMessagesPerWrite) {
super.setMaxMessagesPerWrite(maxMessagesPerWrite);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
super.setMessageSizeEstimator(estimator);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
super.setRecvByteBufAllocator(allocator);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setSendBufferSize(int sendBufferSize) {
try {
((EpollDomainDatagramChannel) channel).socket.setSendBufferSize(sendBufferSize);
return this;
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public int getSendBufferSize() {
try {
return ((EpollDomainDatagramChannel) channel).socket.getSendBufferSize();
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public EpollDomainDatagramChannelConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
super.setWriteBufferWaterMark(writeBufferWaterMark);
return this;
}
@Override
public EpollDomainDatagramChannelConfig setWriteSpinCount(int writeSpinCount) {
super.setWriteSpinCount(writeSpinCount);
return this;
}
}