org.apache.hadoop.util
Class ProtoUtil

java.lang.Object
  org.apache.hadoop.util.ProtoUtil

public abstract class ProtoUtil
extends Object

Constructor Summary

ProtoUtil()

Method Summary

static RPC.RpcKind	convert(RpcHeaderProtos.RpcKindProto kind)
static org.apache.hadoop.security.UserGroupInformation	getUgi(IpcConnectionContextProtos.IpcConnectionContextProto context)
static org.apache.hadoop.security.UserGroupInformation	getUgi(IpcConnectionContextProtos.UserInformationProto userInfo)
static IpcConnectionContextProtos.IpcConnectionContextProto	makeIpcConnectionContext(String protocol, org.apache.hadoop.security.UserGroupInformation ugi, SaslRpcServer.AuthMethod authMethod) 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.
static RpcHeaderProtos.RpcRequestHeaderProto	makeRpcRequestHeader(RPC.RpcKind rpcKind, RpcHeaderProtos.RpcRequestHeaderProto.OperationProto operation, int callId, int retryCount, byte[] uuid)
static int	readRawVarint32(DataInput in) Read a variable length integer in the same format that ProtoBufs encodes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProtoUtil

public ProtoUtil()

Method Detail

readRawVarint32

public static int readRawVarint32(DataInput in)
                           throws IOException

Read a variable length integer in the same format that ProtoBufs encodes.

Parameters:

in - the input stream to read from

Returns:

the integer

Throws:

IOException - if it is malformed or EOF.

makeIpcConnectionContext

public static IpcConnectionContextProtos.IpcConnectionContextProto makeIpcConnectionContext(String protocol,
                                                                                            org.apache.hadoop.security.UserGroupInformation ugi,
                                                                                            SaslRpcServer.AuthMethod authMethod)

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.

getUgi

public static org.apache.hadoop.security.UserGroupInformation getUgi(IpcConnectionContextProtos.IpcConnectionContextProto context)

getUgi

public static org.apache.hadoop.security.UserGroupInformation getUgi(IpcConnectionContextProtos.UserInformationProto userInfo)

convert

public static RPC.RpcKind convert(RpcHeaderProtos.RpcKindProto kind)

makeRpcRequestHeader

public static RpcHeaderProtos.RpcRequestHeaderProto makeRpcRequestHeader(RPC.RpcKind rpcKind,
                                                                         RpcHeaderProtos.RpcRequestHeaderProto.OperationProto operation,
                                                                         int callId,
                                                                         int retryCount,
                                                                         byte[] uuid)