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Diffstat (limited to '')
-rw-r--r-- | OpenSim/Framework/Servers/HttpServer/OSHttpServer.cs | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer.cs new file mode 100644 index 0000000..e84f314 --- /dev/null +++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer.cs | |||
@@ -0,0 +1,210 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.Collections.Generic; | ||
30 | using System.Net; | ||
31 | using System.Net.Sockets; | ||
32 | using System.Reflection; | ||
33 | using System.Text.RegularExpressions; | ||
34 | using System.Threading; | ||
35 | using System.Security.Cryptography.X509Certificates; | ||
36 | using log4net; | ||
37 | using HttpServer; | ||
38 | |||
39 | using HttpListener = HttpServer.HttpListener; | ||
40 | |||
41 | namespace OpenSim.Framework.Servers.HttpServer | ||
42 | { | ||
43 | /// <summary> | ||
44 | /// OSHttpServer provides an HTTP server bound to a specific | ||
45 | /// port. When instantiated with just address and port it uses | ||
46 | /// normal HTTP, when instantiated with address, port, and X509 | ||
47 | /// certificate, it uses HTTPS. | ||
48 | /// </summary> | ||
49 | public class OSHttpServer | ||
50 | { | ||
51 | private static readonly ILog _log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | ||
52 | |||
53 | private object _syncObject = new object(); | ||
54 | |||
55 | // underlying HttpServer.HttpListener | ||
56 | protected HttpListener _listener; | ||
57 | // underlying core/engine thread | ||
58 | protected Thread _engine; | ||
59 | |||
60 | // Queue containing (OS)HttpRequests | ||
61 | protected OSHttpRequestQueue _queue; | ||
62 | |||
63 | // OSHttpRequestPumps "pumping" incoming OSHttpRequests | ||
64 | // upwards | ||
65 | protected OSHttpRequestPump[] _pumps; | ||
66 | |||
67 | // thread identifier | ||
68 | protected string _engineId; | ||
69 | public string EngineID | ||
70 | { | ||
71 | get { return _engineId; } | ||
72 | } | ||
73 | |||
74 | /// <summary> | ||
75 | /// True if this is an HTTPS connection; false otherwise. | ||
76 | /// </summary> | ||
77 | protected bool _isSecure; | ||
78 | public bool IsSecure | ||
79 | { | ||
80 | get { return _isSecure; } | ||
81 | } | ||
82 | |||
83 | public int QueueSize | ||
84 | { | ||
85 | get { return _pumps.Length; } | ||
86 | } | ||
87 | |||
88 | /// <summary> | ||
89 | /// List of registered OSHttpHandlers for this OSHttpServer instance. | ||
90 | /// </summary> | ||
91 | protected List<OSHttpHandler> _httpHandlers = new List<OSHttpHandler>(); | ||
92 | public List<OSHttpHandler> OSHttpHandlers | ||
93 | { | ||
94 | get | ||
95 | { | ||
96 | lock (_httpHandlers) | ||
97 | { | ||
98 | return new List<OSHttpHandler>(_httpHandlers); | ||
99 | } | ||
100 | } | ||
101 | } | ||
102 | |||
103 | |||
104 | /// <summary> | ||
105 | /// Instantiate an HTTP server. | ||
106 | /// </summary> | ||
107 | public OSHttpServer(IPAddress address, int port, int poolSize) | ||
108 | { | ||
109 | _engineId = String.Format("OSHttpServer (HTTP:{0})", port); | ||
110 | _isSecure = false; | ||
111 | _log.DebugFormat("[{0}] HTTP server instantiated", EngineID); | ||
112 | |||
113 | _listener = new HttpListener(address, port); | ||
114 | _queue = new OSHttpRequestQueue(); | ||
115 | _pumps = OSHttpRequestPump.Pumps(this, _queue, poolSize); | ||
116 | } | ||
117 | |||
118 | /// <summary> | ||
119 | /// Instantiate an HTTPS server. | ||
120 | /// </summary> | ||
121 | public OSHttpServer(IPAddress address, int port, X509Certificate certificate, int poolSize) | ||
122 | { | ||
123 | _engineId = String.Format("OSHttpServer [HTTPS:{0}/ps:{1}]", port, poolSize); | ||
124 | _isSecure = true; | ||
125 | _log.DebugFormat("[{0}] HTTPS server instantiated", EngineID); | ||
126 | |||
127 | _listener = new HttpListener(address, port, certificate); | ||
128 | _queue = new OSHttpRequestQueue(); | ||
129 | _pumps = OSHttpRequestPump.Pumps(this, _queue, poolSize); | ||
130 | } | ||
131 | |||
132 | /// <summary> | ||
133 | /// Turn an HttpRequest into an OSHttpRequestItem and place it | ||
134 | /// in the queue. The OSHttpRequestQueue object will pulse the | ||
135 | /// next available idle pump. | ||
136 | /// </summary> | ||
137 | protected void OnHttpRequest(HttpClientContext client, HttpRequest request) | ||
138 | { | ||
139 | // turn request into OSHttpRequest | ||
140 | OSHttpRequest req = new OSHttpRequest(client, request); | ||
141 | |||
142 | // place OSHttpRequest into _httpRequestQueue, will | ||
143 | // trigger Pulse to idle waiting pumps | ||
144 | _queue.Enqueue(req); | ||
145 | } | ||
146 | |||
147 | /// <summary> | ||
148 | /// Start the HTTP server engine. | ||
149 | /// </summary> | ||
150 | public void Start() | ||
151 | { | ||
152 | _engine = new Thread(new ThreadStart(Engine)); | ||
153 | _engine.Name = _engineId; | ||
154 | _engine.IsBackground = true; | ||
155 | _engine.Start(); | ||
156 | |||
157 | ThreadTracker.Add(_engine); | ||
158 | |||
159 | // start the pumps... | ||
160 | for (int i = 0; i < _pumps.Length; i++) | ||
161 | _pumps[i].Start(); | ||
162 | } | ||
163 | |||
164 | public void Stop() | ||
165 | { | ||
166 | lock (_syncObject) Monitor.Pulse(_syncObject); | ||
167 | } | ||
168 | |||
169 | /// <summary> | ||
170 | /// Engine keeps the HTTP server running. | ||
171 | /// </summary> | ||
172 | private void Engine() | ||
173 | { | ||
174 | try { | ||
175 | _listener.RequestHandler += OnHttpRequest; | ||
176 | _listener.Start(QueueSize); | ||
177 | _log.InfoFormat("[{0}] HTTP server started", EngineID); | ||
178 | |||
179 | lock (_syncObject) Monitor.Wait(_syncObject); | ||
180 | } | ||
181 | catch (Exception ex) | ||
182 | { | ||
183 | _log.DebugFormat("[{0}] HTTP server startup failed: {1}", EngineID, ex.ToString()); | ||
184 | } | ||
185 | |||
186 | _log.InfoFormat("[{0}] HTTP server terminated", EngineID); | ||
187 | } | ||
188 | |||
189 | |||
190 | /// <summary> | ||
191 | /// Add an HTTP request handler. | ||
192 | /// </summary> | ||
193 | /// <param name="handler">OSHttpHandler delegate</param> | ||
194 | /// <param name="path">regex object for path matching</parm> | ||
195 | /// <param name="headers">dictionary containing header names | ||
196 | /// and regular expressions to match against header values</param> | ||
197 | public void AddHandler(OSHttpHandler handler) | ||
198 | { | ||
199 | lock (_httpHandlers) | ||
200 | { | ||
201 | if (_httpHandlers.Contains(handler)) | ||
202 | { | ||
203 | _log.DebugFormat("[OSHttpServer] attempt to add already existing handler ignored"); | ||
204 | return; | ||
205 | } | ||
206 | _httpHandlers.Add(handler); | ||
207 | } | ||
208 | } | ||
209 | } | ||
210 | } | ||