/*
* Copyright 2011 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.sctp;
import com.sun.nio.sctp.SctpServerChannel;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultChannelConfig;
import io.netty.util.NetUtil;
import java.io.IOException;
import java.util.Map;
import static com.sun.nio.sctp.SctpStandardSocketOptions.*;
/**
* The default {@link SctpServerChannelConfig} implementation for SCTP.
*/
public class DefaultSctpServerChannelConfig extends DefaultChannelConfig implements SctpServerChannelConfig {
private final SctpServerChannel javaChannel;
private volatile int backlog = NetUtil.SOMAXCONN;
/**
* Creates a new instance.
*/
public DefaultSctpServerChannelConfig(
io.netty.channel.sctp.SctpServerChannel channel, SctpServerChannel javaChannel) {
super(channel);
if (javaChannel == null) {
throw new NullPointerException("javaChannel");
}
this.javaChannel = javaChannel;
}
@Override
public Map<ChannelOption<?>, Object> getOptions() {
return getOptions(
super.getOptions(),
ChannelOption.SO_RCVBUF, ChannelOption.SO_SNDBUF, SctpChannelOption.SCTP_INIT_MAXSTREAMS);
}
@SuppressWarnings("unchecked")
@Override
public <T> T getOption(ChannelOption<T> option) {
if (option == ChannelOption.SO_RCVBUF) {
return (T) Integer.valueOf(getReceiveBufferSize());
}
if (option == ChannelOption.SO_SNDBUF) {
return (T) Integer.valueOf(getSendBufferSize());
}
return super.getOption(option);
}
@Override
public <T> boolean setOption(ChannelOption<T> option, T value) {
validate(option, value);
if (option == ChannelOption.SO_RCVBUF) {
setReceiveBufferSize((Integer) value);
} else if (option == ChannelOption.SO_SNDBUF) {
setSendBufferSize((Integer) value);
} else if (option == SCTP_INIT_MAXSTREAMS) {
setInitMaxStreams((InitMaxStreams) value);
} else {
return super.setOption(option, value);
}
return true;
}
@Override
public int getSendBufferSize() {
try {
return javaChannel.getOption(SO_SNDBUF);
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public SctpServerChannelConfig setSendBufferSize(int sendBufferSize) {
try {
javaChannel.setOption(SO_SNDBUF, sendBufferSize);
} catch (IOException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public int getReceiveBufferSize() {
try {
return javaChannel.getOption(SO_RCVBUF);
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public SctpServerChannelConfig setReceiveBufferSize(int receiveBufferSize) {
try {
javaChannel.setOption(SO_RCVBUF, receiveBufferSize);
} catch (IOException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public InitMaxStreams getInitMaxStreams() {
try {
return javaChannel.getOption(SCTP_INIT_MAXSTREAMS);
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
public SctpServerChannelConfig setInitMaxStreams(InitMaxStreams initMaxStreams) {
try {
javaChannel.setOption(SCTP_INIT_MAXSTREAMS, initMaxStreams);
} catch (IOException e) {
throw new ChannelException(e);
}
return this;
}
@Override
public int getBacklog() {
return backlog;
}
@Override
public SctpServerChannelConfig setBacklog(int backlog) {
if (backlog < 0) {
throw new IllegalArgumentException("backlog: " + backlog);
}
this.backlog = backlog;
return this;
}
@Override
public SctpServerChannelConfig setWriteSpinCount(int writeSpinCount) {
return (SctpServerChannelConfig) super.setWriteSpinCount(writeSpinCount);
}
@Override
public SctpServerChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
return (SctpServerChannelConfig) super.setConnectTimeoutMillis(connectTimeoutMillis);
}
@Override
public SctpServerChannelConfig setAllocator(ByteBufAllocator allocator) {
return (SctpServerChannelConfig) super.setAllocator(allocator);
}
@Override
public SctpServerChannelConfig setAutoRead(boolean autoRead) {
return (SctpServerChannelConfig) super.setAutoRead(autoRead);
}
@Override
public SctpServerChannelConfig setDefaultHandlerByteBufType(ChannelHandlerByteBufType type) {
return (SctpServerChannelConfig) super.setDefaultHandlerByteBufType(type);
}
}