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authorMW2007-05-24 12:35:32 +0000
committerMW2007-05-24 12:35:32 +0000
commitf95b6081cba084d1b067acea99c0effa2b3bf42c (patch)
tree7a7ab4aa037f75afa54f403c701a735acb101575 /Common/OpenSim.Servers/BaseHttpServer.cs
parentDie ServiceManager! (Not really Gareth, just the old directory, new directory... (diff)
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Renamed the new Directories. (removed the "-Source" from the end of them)
Diffstat (limited to 'Common/OpenSim.Servers/BaseHttpServer.cs')
-rw-r--r--Common/OpenSim.Servers/BaseHttpServer.cs256
1 files changed, 256 insertions, 0 deletions
diff --git a/Common/OpenSim.Servers/BaseHttpServer.cs b/Common/OpenSim.Servers/BaseHttpServer.cs
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1using System;
2using System.Collections.Generic;
3using System.Net;
4using System.Text;
5using System.Text.RegularExpressions;
6using System.Threading;
7//using OpenSim.CAPS;
8using Nwc.XmlRpc;
9using System.Collections;
10using OpenSim.Framework.Console;
11
12namespace OpenSim.Servers
13{
14 public class BaseHttpServer
15 {
16 protected class RestMethodEntry
17 {
18 private string m_path;
19 public string Path
20 {
21 get { return m_path; }
22 }
23
24 private RestMethod m_restMethod;
25 public RestMethod RestMethod
26 {
27 get { return m_restMethod; }
28 }
29
30 public RestMethodEntry(string path, RestMethod restMethod)
31 {
32 m_path = path;
33 m_restMethod = restMethod;
34 }
35 }
36
37 protected Thread m_workerThread;
38 protected HttpListener m_httpListener;
39 protected Dictionary<string, RestMethodEntry> m_restHandlers = new Dictionary<string, RestMethodEntry>();
40 protected Dictionary<string, XmlRpcMethod> m_rpcHandlers = new Dictionary<string, XmlRpcMethod>();
41 protected int m_port;
42
43 public BaseHttpServer(int port)
44 {
45 m_port = port;
46 }
47
48 public bool AddRestHandler(string method, string path, RestMethod handler)
49 {
50 string methodKey = String.Format("{0}: {1}", method, path);
51
52 if (!this.m_restHandlers.ContainsKey(methodKey))
53 {
54 this.m_restHandlers.Add(methodKey, new RestMethodEntry(path, handler));
55 return true;
56 }
57
58 //must already have a handler for that path so return false
59 return false;
60 }
61
62 public bool AddXmlRPCHandler(string method, XmlRpcMethod handler)
63 {
64 if (!this.m_rpcHandlers.ContainsKey(method))
65 {
66 this.m_rpcHandlers.Add(method, handler);
67 return true;
68 }
69
70 //must already have a handler for that path so return false
71 return false;
72 }
73
74 protected virtual string ProcessXMLRPCMethod(string methodName, XmlRpcRequest request)
75 {
76 XmlRpcResponse response;
77
78 XmlRpcMethod method;
79 if (this.m_rpcHandlers.TryGetValue(methodName, out method))
80 {
81 response = method(request);
82 }
83 else
84 {
85 response = new XmlRpcResponse();
86 Hashtable unknownMethodError = new Hashtable();
87 unknownMethodError["reason"] = "XmlRequest"; ;
88 unknownMethodError["message"] = "Unknown Rpc request";
89 unknownMethodError["login"] = "false";
90 response.Value = unknownMethodError;
91 }
92
93 return XmlRpcResponseSerializer.Singleton.Serialize(response);
94 }
95
96 protected virtual string ParseREST(string request, string path, string method)
97 {
98 string response;
99
100 string requestKey = String.Format("{0}: {1}", method, path);
101
102 string bestMatch = String.Empty;
103 foreach (string currentKey in m_restHandlers.Keys)
104 {
105 if (requestKey.StartsWith(currentKey))
106 {
107 if (currentKey.Length > bestMatch.Length)
108 {
109 bestMatch = currentKey;
110 }
111 }
112 }
113
114 RestMethodEntry restMethodEntry;
115 if (m_restHandlers.TryGetValue(bestMatch, out restMethodEntry))
116 {
117 RestMethod restMethod = restMethodEntry.RestMethod;
118
119 string param = path.Substring(restMethodEntry.Path.Length);
120 response = restMethod(request, path, param);
121
122 }
123 else
124 {
125 response = String.Empty;
126 }
127
128 return response;
129 }
130
131 protected virtual string ParseLLSDXML(string requestBody)
132 {
133 // dummy function for now - IMPLEMENT ME!
134 return "";
135 }
136
137 protected virtual string ParseXMLRPC(string requestBody)
138 {
139 string responseString = String.Empty;
140
141 try
142 {
143 XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
144
145 string methodName = request.MethodName;
146
147 responseString = ProcessXMLRPCMethod(methodName, request);
148 }
149 catch (Exception e)
150 {
151 Console.WriteLine(e.ToString());
152 }
153 return responseString;
154 }
155
156 public virtual void HandleRequest(Object stateinfo)
157 {
158 try
159 {
160 HttpListenerContext context = (HttpListenerContext)stateinfo;
161
162 HttpListenerRequest request = context.Request;
163 HttpListenerResponse response = context.Response;
164
165 response.KeepAlive = false;
166 response.SendChunked = false;
167
168 System.IO.Stream body = request.InputStream;
169 System.Text.Encoding encoding = System.Text.Encoding.UTF8;
170 System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
171
172 string requestBody = reader.ReadToEnd();
173 body.Close();
174 reader.Close();
175
176 //Console.WriteLine(request.HttpMethod + " " + request.RawUrl + " Http/" + request.ProtocolVersion.ToString() + " content type: " + request.ContentType);
177 //Console.WriteLine(requestBody);
178
179 string responseString = "";
180 switch (request.ContentType)
181 {
182 case "text/xml":
183 // must be XML-RPC, so pass to the XML-RPC parser
184
185 responseString = ParseXMLRPC(requestBody);
186 responseString = Regex.Replace(responseString, "utf-16", "utf-8");
187
188 response.AddHeader("Content-type", "text/xml");
189 break;
190
191 case "application/xml":
192 // probably LLSD we hope, otherwise it should be ignored by the parser
193 responseString = ParseLLSDXML(requestBody);
194 response.AddHeader("Content-type", "application/xml");
195 break;
196
197 case "application/x-www-form-urlencoded":
198 // a form data POST so send to the REST parser
199 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
200 response.AddHeader("Content-type", "text/html");
201 break;
202
203 case null:
204 // must be REST or invalid crap, so pass to the REST parser
205 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
206 response.AddHeader("Content-type", "text/html");
207 break;
208
209 }
210
211 byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
212 System.IO.Stream output = response.OutputStream;
213 response.SendChunked = false;
214 response.ContentLength64 = buffer.Length;
215 output.Write(buffer, 0, buffer.Length);
216 output.Close();
217 }
218 catch (Exception e)
219 {
220 Console.WriteLine(e.ToString());
221 }
222 }
223
224 public void Start()
225 {
226 OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.LOW, "BaseHttpServer.cs: Starting up HTTP Server");
227
228 m_workerThread = new Thread(new ThreadStart(StartHTTP));
229 m_workerThread.IsBackground = true;
230 m_workerThread.Start();
231 }
232
233 private void StartHTTP()
234 {
235 try
236 {
237 OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.LOW, "BaseHttpServer.cs: StartHTTP() - Spawned main thread OK");
238 m_httpListener = new HttpListener();
239
240 m_httpListener.Prefixes.Add("http://+:" + m_port + "/");
241 m_httpListener.Start();
242
243 HttpListenerContext context;
244 while (true)
245 {
246 context = m_httpListener.GetContext();
247 ThreadPool.QueueUserWorkItem(new WaitCallback(HandleRequest), context);
248 }
249 }
250 catch (Exception e)
251 {
252 OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.MEDIUM, e.Message);
253 }
254 }
255 }
256}
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