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/*
* Copyright (c) Contributors, http://www.openmetaverse.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
namespace Nwc.XmlRpc
{
using System;
using System.Xml;
using System.Net.Sockets;
using System.Text;
/// <summary>The class is a container of the context of an XML-RPC dialog on the server side.</summary>
/// <remarks>Instances of this class maintain the context for an individual XML-RPC server
/// side dialog. Namely they manage an inbound deserializer and an outbound serializer. </remarks>
public class XmlRpcResponder
{
private XmlRpcRequestDeserializer _deserializer = new XmlRpcRequestDeserializer();
private XmlRpcResponseSerializer _serializer = new XmlRpcResponseSerializer();
private XmlRpcServer _server;
private TcpClient _client;
private SimpleHttpRequest _httpReq;
/// <summary>The SimpleHttpRequest based on the TcpClient.</summary>
public SimpleHttpRequest HttpReq
{
get { return _httpReq; }
}
/// <summary>Basic constructor.</summary>
/// <param name="server">XmlRpcServer that this XmlRpcResponder services.</param>
/// <param name="client">TcpClient with the connection.</param>
public XmlRpcResponder(XmlRpcServer server, TcpClient client)
{
_server = server;
_client = client;
_httpReq = new SimpleHttpRequest(_client);
}
/// <summary>Call close to insure proper shutdown.</summary>
~XmlRpcResponder()
{
Close();
}
///<summary>Respond using this responders HttpReq.</summary>
public void Respond()
{
Respond(HttpReq);
}
/// <summary>Handle an HTTP request containing an XML-RPC request.</summary>
/// <remarks>This method deserializes the XML-RPC request, invokes the
/// described method, serializes the response (or fault) and sends the XML-RPC response
/// back as a valid HTTP page.
/// </remarks>
/// <param name="httpReq"><c>SimpleHttpRequest</c> containing the request.</param>
public void Respond(SimpleHttpRequest httpReq)
{
XmlRpcRequest xmlRpcReq = (XmlRpcRequest)_deserializer.Deserialize(httpReq.Input);
XmlRpcResponse xmlRpcResp = new XmlRpcResponse();
try
{
xmlRpcResp.Value = _server.Invoke(xmlRpcReq);
}
catch (XmlRpcException e)
{
xmlRpcResp.SetFault(e.FaultCode, e.FaultString);
}
catch (Exception e2)
{
xmlRpcResp.SetFault(XmlRpcErrorCodes.APPLICATION_ERROR,
XmlRpcErrorCodes.APPLICATION_ERROR_MSG + ": " + e2.Message);
}
if (Logger.Delegate != null)
Logger.WriteEntry(xmlRpcResp.ToString(), LogLevel.Information);
XmlRpcServer.HttpHeader(httpReq.Protocol, "text/xml", 0, " 200 OK", httpReq.Output);
httpReq.Output.Flush();
XmlTextWriter xml = new XmlTextWriter(httpReq.Output);
_serializer.Serialize(xml, xmlRpcResp);
xml.Flush();
httpReq.Output.Flush();
}
///<summary>Close all contained resources, both the HttpReq and client.</summary>
public void Close()
{
if (_httpReq != null)
{
_httpReq.Close();
_httpReq = null;
}
if (_client != null)
{
_client.Close();
_client = null;
}
}
}
}
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