aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/Servers/MainServer.cs
blob: 48a3a821c845c97a45df849afe5fe01cf666c598 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
/*
 * Copyright (c) Contributors, http://opensimulator.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 OpenSimulator 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.
 */

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Net;
using System.Text;
using log4net;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Framework.Servers.HttpServer;

namespace OpenSim.Framework.Servers
{
    public class MainServer
    {
//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private static BaseHttpServer instance = null;
        private static BaseHttpServer unsecureinstance = null;
        private static Dictionary<uint, BaseHttpServer> m_Servers = new Dictionary<uint, BaseHttpServer>();

        /// <summary>
        /// Control the printing of certain debug messages.
        /// </summary>
        /// <remarks>
        /// If DebugLevel >= 1 then short warnings are logged when receiving bad input data.
        /// If DebugLevel >= 2 then long warnings are logged when receiving bad input data.
        /// If DebugLevel >= 3 then short notices about all incoming non-poll HTTP requests are logged.
        /// If DebugLevel >= 4 then the time taken to fulfill the request is logged.
        /// If DebugLevel >= 5 then the start of the body of incoming non-poll HTTP requests will be logged.
        /// If DebugLevel >= 6 then the entire body of incoming non-poll HTTP requests will be logged.
        /// </remarks>
        public static int DebugLevel
        {
            get { return s_debugLevel; }
            set
            {
                s_debugLevel = value;

                lock (m_Servers)
                    foreach (BaseHttpServer server in m_Servers.Values)
                        server.DebugLevel = s_debugLevel;
            }
        }

        private static int s_debugLevel;

        /// <summary>
        /// Set the main HTTP server instance.
        /// </summary>
        /// <remarks>
        /// This will be used to register all handlers that listen to the default port.
        /// </remarks>
        /// <exception cref='Exception'>
        /// Thrown if the HTTP server has not already been registered via AddHttpServer()
        /// </exception>
        public static BaseHttpServer Instance
        {
            get { return instance; }

            set
            {
                lock (m_Servers)
                {
                    if (!m_Servers.ContainsValue(value))
                        throw new Exception("HTTP server must already have been registered to be set as the main instance");

                    instance = value;
                }
            }
        }

        public static BaseHttpServer UnSecureInstance
        {
            get { return unsecureinstance; }

            set
            {
                lock (m_Servers)
                    if (!m_Servers.ContainsValue(value))
                        throw new Exception("HTTP server must already have been registered to be set as the main instance");

                unsecureinstance = value;
            }
        }

        /// <summary>
        /// Get all the registered servers.
        /// </summary>
        /// <remarks>
        /// Returns a copy of the dictionary so this can be iterated through without locking.
        /// </remarks>
        /// <value></value>
        public static Dictionary<uint, BaseHttpServer> Servers
        {
            get { return new Dictionary<uint, BaseHttpServer>(m_Servers); }
        }

        public static void RegisterHttpConsoleCommands(ICommandConsole console)
        {
            console.Commands.AddCommand(
                "Comms", false, "show http-handlers",
                "show http-handlers",
                "Show all registered http handlers", HandleShowHttpHandlersCommand);

            console.Commands.AddCommand(
                "Debug", false, "debug http", "debug http <in|out|all> [<level>]",
                "Turn on http request logging.",
                "If in or all and\n"
                    + "  level <= 0 then no extra logging is done.\n"
                    + "  level >= 1 then short warnings are logged when receiving bad input data.\n"
                    + "  level >= 2 then long warnings are logged when receiving bad input data.\n"
                    + "  level >= 3 then short notices about all incoming non-poll HTTP requests are logged.\n"
                    + "  level >= 4 then the time taken to fulfill the request is logged.\n"
                    + "  level >= 5 then a sample from the beginning of the data is logged.\n"
                    + "  level >= 6 then the entire data is logged.\n"
                    + "  no level is specified then the current level is returned.\n\n"
                    + "If out or all and\n"
                    + "  level >= 3 then short notices about all outgoing requests going through WebUtil are logged.\n"
                    + "  level >= 4 then the time taken to fulfill the request is logged.\n"
                    + "  level >= 5 then a sample from the beginning of the data is logged.\n"
                    + "  level >= 6 then the entire data is logged.\n",
                HandleDebugHttpCommand);
        }

        /// <summary>
        /// Turn on some debugging values for OpenSim.
        /// </summary>
        /// <param name="args"></param>
        private static void HandleDebugHttpCommand(string module, string[] cmdparams)
        {
            if (cmdparams.Length < 3)
            {
                MainConsole.Instance.Output("Usage: debug http <in|out|all> 0..6");
                return;
            }

            bool inReqs = false;
            bool outReqs = false;
            bool allReqs = false;

            string subCommand = cmdparams[2];

            if (subCommand.ToLower() == "in")
            {
                inReqs = true;
            }
            else if (subCommand.ToLower() == "out")
            {
                outReqs = true;
            }
            else if (subCommand.ToLower() == "all")
            {
                allReqs = true;
            }
            else
            {
                MainConsole.Instance.Output("You must specify in, out or all");
                return;
            }

            if (cmdparams.Length >= 4)
            {
                string rawNewDebug = cmdparams[3];
                int newDebug;

                if (!int.TryParse(rawNewDebug, out newDebug))
                {
                    MainConsole.Instance.OutputFormat("{0} is not a valid debug level", rawNewDebug);
                    return;
                }

                if (newDebug < 0 || newDebug > 6)
                {
                    MainConsole.Instance.OutputFormat("{0} is outside the valid debug level range of 0..6", newDebug);
                    return;
                }

                if (allReqs || inReqs)
                {
                    MainServer.DebugLevel = newDebug;
                    MainConsole.Instance.OutputFormat("IN debug level set to {0}", newDebug);
                }

                if (allReqs || outReqs)
                {
                    WebUtil.DebugLevel = newDebug;
                    MainConsole.Instance.OutputFormat("OUT debug level set to {0}", newDebug);
                }
            }
            else
            {
                if (allReqs || inReqs)
                    MainConsole.Instance.OutputFormat("Current IN debug level is {0}", MainServer.DebugLevel);

                if (allReqs || outReqs)
                    MainConsole.Instance.OutputFormat("Current OUT debug level is {0}", WebUtil.DebugLevel);
            }
        }

        private static void HandleShowHttpHandlersCommand(string module, string[] args)
        {
            if (args.Length != 2)
            {
                MainConsole.Instance.Output("Usage: show http-handlers");
                return;
            }

            StringBuilder handlers = new StringBuilder();

            lock (m_Servers)
            {
                foreach (BaseHttpServer httpServer in m_Servers.Values)
                {
                    handlers.AppendFormat(
                        "Registered HTTP Handlers for server at {0}:{1}\n", httpServer.ListenIPAddress, httpServer.Port);

                    handlers.AppendFormat("* XMLRPC:\n");
                    foreach (String s in httpServer.GetXmlRpcHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.AppendFormat("* HTTP:\n");
                    foreach (String s in httpServer.GetHTTPHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.AppendFormat("* HTTP (poll):\n");
                    foreach (String s in httpServer.GetPollServiceHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.AppendFormat("* JSONRPC:\n");
                    foreach (String s in httpServer.GetJsonRpcHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

//                    handlers.AppendFormat("* Agent:\n");
//                    foreach (String s in httpServer.GetAgentHandlerKeys())
//                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.AppendFormat("* LLSD:\n");
                    foreach (String s in httpServer.GetLLSDHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.AppendFormat("* StreamHandlers ({0}):\n", httpServer.GetStreamHandlerKeys().Count);
                    foreach (String s in httpServer.GetStreamHandlerKeys())
                        handlers.AppendFormat("\t{0}\n", s);

                    handlers.Append("\n");
                }
            }

            MainConsole.Instance.Output(handlers.ToString());
        }

        /// <summary>
        /// Register an already started HTTP server to the collection of known servers.
        /// </summary>
        /// <param name='server'></param>
        public static void AddHttpServer(BaseHttpServer server)
        {
            lock (m_Servers)
            {
                if (m_Servers.ContainsKey(server.Port))
                    throw new Exception(string.Format("HTTP server for port {0} already exists.", server.Port));

                m_Servers.Add(server.Port, server);
            }
        }

        /// <summary>
        /// Removes the http server listening on the given port.
        /// </summary>
        /// <remarks>
        /// It is the responsibility of the caller to do clean up.
        /// </remarks>
        /// <param name='port'></param>
        /// <returns></returns>
        public static bool RemoveHttpServer(uint port)
        {
            lock (m_Servers)
            {
                if (instance != null && instance.Port == port)
                    instance = null;

                return m_Servers.Remove(port);
            }
        }

        /// <summary>
        /// Does this collection of servers contain one with the given port?
        /// </summary>
        /// <remarks>
        /// Unlike GetHttpServer, this will not instantiate a server if one does not exist on that port.
        /// </remarks>
        /// <param name='port'></param>
        /// <returns>true if a server with the given port is registered, false otherwise.</returns>
        public static bool ContainsHttpServer(uint port)
        {
            lock (m_Servers)
                return m_Servers.ContainsKey(port);
        }

        /// <summary>
        /// Get the default http server or an http server for a specific port.
        /// </summary>
        /// <remarks>
        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
        /// </remarks>
        /// <returns></returns>
        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
        public static IHttpServer GetHttpServer(uint port)
        {
            return GetHttpServer(port, null);
        }

        /// <summary>
        /// Get the default http server, an http server for a specific port
        /// and/or an http server bound to a specific address
        /// </summary>
        /// <remarks>
        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
        /// </remarks>
        /// <returns></returns>
        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
        /// <param name='ipaddr'>A specific IP address to bind to.  If null then the default IP address is used.</param>
        public static IHttpServer GetHttpServer(uint port, IPAddress ipaddr)
        {
            if (port == 0)
                return Instance;

            if (instance != null && port == Instance.Port)
                return Instance;

            lock (m_Servers)
            {
                if (m_Servers.ContainsKey(port))
                    return m_Servers[port];

                m_Servers[port] = new BaseHttpServer(port);

                if (ipaddr != null)
                    m_Servers[port].ListenIPAddress = ipaddr;

                m_Servers[port].Start();

                return m_Servers[port];
            }
        }

        public static void Stop()
        {
            lock (m_Servers)
            {
                foreach (BaseHttpServer httpServer in m_Servers.Values)
                {
                    httpServer.Stop(true);
                }
            }
        }
    }
}