/// <summary>
/// A helper function to serialize the JobTokenIdentifier to be sent to the
/// ShuffleHandler as ServiceData.
/// </summary>
/// <param name="jobToken">
/// the job token to be used for authentication of
/// shuffle data requests.
/// </param>
/// <returns>the serialized version of the jobToken.</returns>
/// <exception cref="System.IO.IOException"/>
public static ByteBuffer SerializeServiceData(Org.Apache.Hadoop.Security.Token.Token
<JobTokenIdentifier> jobToken)
{
//TODO these bytes should be versioned
DataOutputBuffer jobToken_dob = new DataOutputBuffer();
jobToken.Write(jobToken_dob);
return ByteBuffer.Wrap(jobToken_dob.GetData(), 0, jobToken_dob.GetLength());
}
/// <summary>Test token serialization</summary>
/// <exception cref="System.IO.IOException"/>
public virtual void TestTokenSerialization()
{
// Get a token
Org.Apache.Hadoop.Security.Token.Token <TokenIdentifier> sourceToken = new Org.Apache.Hadoop.Security.Token.Token
<TokenIdentifier>();
sourceToken.SetService(new Text("service"));
// Write it to an output buffer
DataOutputBuffer @out = new DataOutputBuffer();
sourceToken.Write(@out);
// Read the token back
DataInputBuffer @in = new DataInputBuffer();
@in.Reset(@out.GetData(), @out.GetLength());
Org.Apache.Hadoop.Security.Token.Token <TokenIdentifier> destToken = new Org.Apache.Hadoop.Security.Token.Token
<TokenIdentifier>();
destToken.ReadFields(@in);
Assert.True(CheckEqual(sourceToken, destToken));
}