/*
* Copyright 2004-2006 Luke Quinane and Daniel Frampton
*
* Licensed 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.
*
*/
using System;
using System.Net;
using NDns.Message;
using NDns.Message.Records;
namespace NDns{
/// <summary>
/// A factory class for creating DNS query and response messages.
/// </summary>
public class QueryFactory
{
/// <summary>
/// Creates a new DNS query to look up the record for the query string and type.
/// </summary>
/// <param name="queryString">The query string to pack.</param>
/// <param name="queryType">The type of the query.</param>
/// <returns>The DNS message.</returns>
public static DNSMessage CreateQuery(string queryString, QType queryType) {
QuestionSection qs = new QuestionSection(queryString, queryType);
QuestionSection[] questionEntries = (QuestionSection[]) Array.CreateInstance(typeof(QuestionSection), 1);
questionEntries[0] = qs;
DNSMessage result = new DNSMessage();
result.Opcode = OpCode.StandardQuery;
result.Response = false;
result.Recursive = true;
result.QuestionEntries = questionEntries;
return result;
}
}
}
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