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-rw-r--r--Common/XmlRpcCS/XmlRpcResponder.cs98
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1namespace Nwc.XmlRpc
2{
3 using System;
4 using System.Xml;
5 using System.Net.Sockets;
6
7 /// <summary>The class is a container of the context of an XML-RPC dialog on the server side.</summary>
8 /// <remarks>Instances of this class maintain the context for an individual XML-RPC server
9 /// side dialog. Namely they manage an inbound deserializer and an outbound serializer. </remarks>
10 public class XmlRpcResponder
11 {
12 private XmlRpcRequestDeserializer _deserializer = new XmlRpcRequestDeserializer();
13 private XmlRpcResponseSerializer _serializer = new XmlRpcResponseSerializer();
14 private XmlRpcServer _server;
15 private TcpClient _client;
16 private SimpleHttpRequest _httpReq;
17
18 /// <summary>The SimpleHttpRequest based on the TcpClient.</summary>
19 public SimpleHttpRequest HttpReq
20 {
21 get { return _httpReq; }
22 }
23
24 /// <summary>Basic constructor.</summary>
25 /// <param name="server">XmlRpcServer that this XmlRpcResponder services.</param>
26 /// <param name="client">TcpClient with the connection.</param>
27 public XmlRpcResponder(XmlRpcServer server, TcpClient client)
28 {
29 _server = server;
30 _client = client;
31 _httpReq = new SimpleHttpRequest(_client);
32 }
33
34 /// <summary>Call close to insure proper shutdown.</summary>
35 ~XmlRpcResponder()
36 {
37 Close();
38 }
39
40 ///<summary>Respond using this responders HttpReq.</summary>
41 public void Respond()
42 {
43 Respond(HttpReq);
44 }
45
46 /// <summary>Handle an HTTP request containing an XML-RPC request.</summary>
47 /// <remarks>This method deserializes the XML-RPC request, invokes the
48 /// described method, serializes the response (or fault) and sends the XML-RPC response
49 /// back as a valid HTTP page.
50 /// </remarks>
51 /// <param name="httpReq"><c>SimpleHttpRequest</c> containing the request.</param>
52 public void Respond(SimpleHttpRequest httpReq)
53 {
54 XmlRpcRequest xmlRpcReq = (XmlRpcRequest)_deserializer.Deserialize(httpReq.Input);
55 XmlRpcResponse xmlRpcResp = new XmlRpcResponse();
56
57 try
58 {
59 xmlRpcResp.Value = _server.Invoke(xmlRpcReq);
60 }
61 catch (XmlRpcException e)
62 {
63 xmlRpcResp.SetFault(e.FaultCode, e.FaultString);
64 }
65 catch (Exception e2)
66 {
67 xmlRpcResp.SetFault(XmlRpcErrorCodes.APPLICATION_ERROR,
68 XmlRpcErrorCodes.APPLICATION_ERROR_MSG + ": " + e2.Message);
69 }
70
71 if (Logger.Delegate != null)
72 Logger.WriteEntry(xmlRpcResp.ToString(), LogLevel.Information);
73
74 XmlRpcServer.HttpHeader(httpReq.Protocol, "text/xml", 0, " 200 OK", httpReq.Output);
75 httpReq.Output.Flush();
76 XmlTextWriter xml = new XmlTextWriter(httpReq.Output);
77 _serializer.Serialize(xml, xmlRpcResp);
78 xml.Flush();
79 httpReq.Output.Flush();
80 }
81
82 ///<summary>Close all contained resources, both the HttpReq and client.</summary>
83 public void Close()
84 {
85 if (_httpReq != null)
86 {
87 _httpReq.Close();
88 _httpReq = null;
89 }
90
91 if (_client != null)
92 {
93 _client.Close();
94 _client = null;
95 }
96 }
97 }
98}