io.netty.channel.epoll.TcpMd5Util Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* 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:
*
* 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 static io.netty.util.internal.ObjectUtil.checkNotNull;
import static io.netty.util.internal.ObjectUtil.checkNotNullWithIAE;
import static io.netty.util.internal.ObjectUtil.checkNonEmpty;
import java.io.IOException;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Map.Entry;
final class TcpMd5Util {
static Collection newTcpMd5Sigs(AbstractEpollChannel channel, Collection current,
Map newKeys) throws IOException {
checkNotNull(channel, "channel");
checkNotNull(current, "current");
checkNotNull(newKeys, "newKeys");
// Validate incoming values
for (Entry e : newKeys.entrySet()) {
final byte[] key = e.getValue();
checkNotNullWithIAE(e.getKey(), "e.getKey");
checkNonEmpty(key, e.getKey().toString());
if (key.length > Native.TCP_MD5SIG_MAXKEYLEN) {
throw new IllegalArgumentException("newKeys[" + e.getKey() +
"] has a key with invalid length; should not exceed the maximum length (" +
Native.TCP_MD5SIG_MAXKEYLEN + ')');
}
}
// Remove mappings not present in the new set.
for (InetAddress addr : current) {
if (!newKeys.containsKey(addr)) {
channel.socket.setTcpMd5Sig(addr, null);
}
}
if (newKeys.isEmpty()) {
return Collections.emptySet();
}
// Set new mappings and store addresses which we set.
final Collection addresses = new ArrayList(newKeys.size());
for (Entry e : newKeys.entrySet()) {
channel.socket.setTcpMd5Sig(e.getKey(), e.getValue());
addresses.add(e.getKey());
}
return addresses;
}
private TcpMd5Util() {
}
}