hadoop GrpcHelper 源码
haddop GrpcHelper 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/src/main/java/org/apache/hadoop/yarn/csi/utils/GrpcHelper.java
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.yarn.csi.utils;
import io.netty.channel.unix.DomainSocketAddress;
import java.io.File;
import java.net.SocketAddress;
/**
* Helper classes for gRPC utility functions.
*/
public final class GrpcHelper {
protected static final String UNIX_DOMAIN_SOCKET_PREFIX = "unix://";
private GrpcHelper() {
// hide constructor for utility class
}
public static SocketAddress getSocketAddress(String value) {
if (value.startsWith(UNIX_DOMAIN_SOCKET_PREFIX)) {
String filePath = value.substring(UNIX_DOMAIN_SOCKET_PREFIX.length());
File file = new File(filePath);
if (!file.isAbsolute()) {
throw new IllegalArgumentException(
"Unix domain socket file path must be absolute, file: " + value);
}
// Create the SocketAddress referencing the file.
return new DomainSocketAddress(file);
} else {
throw new IllegalArgumentException("Given address " + value
+ " is not a valid unix domain socket path");
}
}
}
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