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<h2 title="Class ProtoUtil" class="title">Class ProtoUtil</h2>
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<pre>public abstract class <span class="typeNameLabel">ProtoUtil</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/util/ProtoUtil.html#ProtoUtil--">ProtoUtil</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/util/ProtoUtil.html#convert-org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcKindProto-">convert</a></span>(<a href="../../../../org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.RpcKindProto.html" title="enum in org.apache.hadoop.ipc.protobuf">RpcHeaderProtos.RpcKindProto</a>&nbsp;kind)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/security/UserGroupInformation.html" title="class in org.apache.hadoop.security">UserGroupInformation</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/util/ProtoUtil.html#getUgi-org.apache.hadoop.ipc.protobuf.IpcConnectionContextProtos.IpcConnectionContextProto-">getUgi</a></span>(<a href="../../../../org/apache/hadoop/ipc/protobuf/IpcConnectionContextProtos.IpcConnectionContextProto.html" title="class in org.apache.hadoop.ipc.protobuf">IpcConnectionContextProtos.IpcConnectionContextProto</a>&nbsp;context)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/security/UserGroupInformation.html" title="class in org.apache.hadoop.security">UserGroupInformation</a></code></td>
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<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/ipc/protobuf/IpcConnectionContextProtos.IpcConnectionContextProto.html" title="class in org.apache.hadoop.ipc.protobuf">IpcConnectionContextProtos.IpcConnectionContextProto</a></code></td>
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<a href="../../../../org/apache/hadoop/security/UserGroupInformation.html" title="class in org.apache.hadoop.security">UserGroupInformation</a>&nbsp;ugi,
<a href="../../../../org/apache/hadoop/security/SaslRpcServer.AuthMethod.html" title="enum in org.apache.hadoop.security">SaslRpcServer.AuthMethod</a>&nbsp;authMethod)</code>
<div class="block">This method creates the connection context using exactly the same logic
as the old connection context as was done for writable where
the effective and real users are set based on the auth method.</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.RpcRequestHeaderProto.html" title="class in org.apache.hadoop.ipc.protobuf">RpcHeaderProtos.RpcRequestHeaderProto</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/util/ProtoUtil.html#makeRpcRequestHeader-org.apache.hadoop.ipc.RPC.RpcKind-org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcRequestHeaderProto.OperationProto-int-int-byte:A-">makeRpcRequestHeader</a></span>(<a href="../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<a href="../../../../org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.RpcRequestHeaderProto.OperationProto.html" title="enum in org.apache.hadoop.ipc.protobuf">RpcHeaderProtos.RpcRequestHeaderProto.OperationProto</a>&nbsp;operation,
int&nbsp;callId,
int&nbsp;retryCount,
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<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.RpcRequestHeaderProto.html" title="class in org.apache.hadoop.ipc.protobuf">RpcHeaderProtos.RpcRequestHeaderProto</a></code></td>
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int&nbsp;callId,
int&nbsp;retryCount,
byte[]&nbsp;uuid,
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/util/ProtoUtil.html#readRawVarint32-java.io.DataInput-">readRawVarint32</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
<div class="block">Read a variable length integer in the same format that ProtoBufs encodes.</div>
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<pre>public&nbsp;ProtoUtil()</pre>
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<pre>public static&nbsp;int&nbsp;readRawVarint32(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
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<div class="block">Read a variable length integer in the same format that ProtoBufs encodes.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - the input stream to read from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the integer</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if it is malformed or EOF.</dd>
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<pre>public static&nbsp;<a href="../../../../org/apache/hadoop/ipc/protobuf/IpcConnectionContextProtos.IpcConnectionContextProto.html" title="class in org.apache.hadoop.ipc.protobuf">IpcConnectionContextProtos.IpcConnectionContextProto</a>&nbsp;makeIpcConnectionContext(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;protocol,
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<a href="../../../../org/apache/hadoop/security/SaslRpcServer.AuthMethod.html" title="enum in org.apache.hadoop.security">SaslRpcServer.AuthMethod</a>&nbsp;authMethod)</pre>
<div class="block">This method creates the connection context using exactly the same logic
as the old connection context as was done for writable where
the effective and real users are set based on the auth method.</div>
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int&nbsp;callId,
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int&nbsp;callId,
int&nbsp;retryCount,
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