aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/Application/ConfigurationLoader.cs
blob: bc7ecb71d1e97d7d27a2354e6d34ef787c86058b (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
/*
 * 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.IO;
using System.Reflection;
using System.Threading;
using System.Xml;
using log4net;
using Nini.Config;
using OpenSim.Framework;

namespace OpenSim
{
    /// <summary>
    /// Loads the Configuration files into nIni
    /// </summary>
    public class ConfigurationLoader
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        
        /// <summary>
        /// Various Config settings the region needs to start
        /// Physics Engine, Mesh Engine, GridMode, PhysicsPrim allowed, Neighbor, 
        /// StorageDLL, Storage Connection String, Estate connection String, Client Stack
        /// Standalone settings.
        /// </summary>
        protected ConfigSettings m_configSettings;

        /// <summary>
        /// A source of Configuration data
        /// </summary>
        protected OpenSimConfigSource m_config;

        /// <summary>
        /// Grid Service Information.  This refers to classes and addresses of the grid service
        /// </summary>
        protected NetworkServersInfo m_networkServersInfo;

        /// <summary>
        /// Loads the region configuration
        /// </summary>
        /// <param name="argvSource">Parameters passed into the process when started</param>
        /// <param name="configSettings"></param>
        /// <param name="networkInfo"></param>
        /// <returns>A configuration that gets passed to modules</returns>
        public OpenSimConfigSource LoadConfigSettings(
                IConfigSource argvSource, EnvConfigSource envConfigSource, out ConfigSettings configSettings,
                out NetworkServersInfo networkInfo)
        {
            m_configSettings = configSettings = new ConfigSettings();
            m_networkServersInfo = networkInfo = new NetworkServersInfo();

            bool iniFileExists = false;

            IConfig startupConfig = argvSource.Configs["Startup"];

            List<string> sources = new List<string>();

            string masterFileName =
                    startupConfig.GetString("inimaster", "OpenSimDefaults.ini");

            if (masterFileName == "none")
                masterFileName = String.Empty;

            if (IsUri(masterFileName))
            {
                if (!sources.Contains(masterFileName))
                    sources.Add(masterFileName);
            }
            else
            {
                string masterFilePath = Path.GetFullPath(
                        Path.Combine(Util.configDir(), masterFileName));

                if (masterFileName != String.Empty)
                {
                    if (File.Exists(masterFilePath))
                    {
                        if (!sources.Contains(masterFilePath))
                            sources.Add(masterFilePath);
                    }
                    else
                    {
                        m_log.ErrorFormat("Master ini file {0} not found", Path.GetFullPath(masterFilePath));
                        Environment.Exit(1);
                    }
                }
            }

            string iniFileName = startupConfig.GetString("inifile", "OpenSim.ini");

            if (IsUri(iniFileName))
            {
                if (!sources.Contains(iniFileName))
                    sources.Add(iniFileName);
                Application.iniFilePath = iniFileName;
            }
            else
            {
                Application.iniFilePath = Path.GetFullPath(
                        Path.Combine(Util.configDir(), iniFileName));

                if (!File.Exists(Application.iniFilePath))
                {
                    iniFileName = "OpenSim.xml";
                    Application.iniFilePath = Path.GetFullPath(Path.Combine(Util.configDir(), iniFileName));
                }

                if (File.Exists(Application.iniFilePath))
                {
                    if (!sources.Contains(Application.iniFilePath))
                        sources.Add(Application.iniFilePath);
                }
            }

            string iniDirName = startupConfig.GetString("inidirectory", "config");
            string iniDirPath = Path.Combine(Util.configDir(), iniDirName);

            if (Directory.Exists(iniDirPath))
            {
                m_log.InfoFormat("Searching folder {0} for config ini files", iniDirPath);

                string[] fileEntries = Directory.GetFiles(iniDirName);
                foreach (string filePath in fileEntries)
                {
                    if (Path.GetExtension(filePath).ToLower() == ".ini")
                    {
                        if (!sources.Contains(Path.GetFullPath(filePath)))
                            sources.Add(Path.GetFullPath(filePath));
                    }
                }
            }

            m_config = new OpenSimConfigSource();
            m_config.Source = new IniConfigSource();
            m_config.Source.Merge(DefaultConfig());

            m_log.Info("[CONFIG]: Reading configuration settings");

            if (sources.Count == 0)
            {
                m_log.FatalFormat("[CONFIG]: Could not load any configuration");
                Environment.Exit(1);
            }

            for (int i = 0 ; i < sources.Count ; i++)
            {
                if (ReadConfig(sources[i]))
                {
                    iniFileExists = true;
                    AddIncludes(sources);
                }
            }

            if (!iniFileExists)
            {
                m_log.FatalFormat("[CONFIG]: Could not load any configuration");
                m_log.FatalFormat("[CONFIG]: Configuration exists, but there was an error loading it!");
                Environment.Exit(1);
            }

            // Make sure command line options take precedence
            m_config.Source.Merge(argvSource);

            IConfig enVars = m_config.Source.Configs["Environment"];

            if( enVars != null )
            {
                string[] env_keys = enVars.GetKeys();

                foreach ( string key in env_keys )
                {
                    envConfigSource.AddEnv(key, string.Empty);
                }

                envConfigSource.LoadEnv();
                m_config.Source.Merge(envConfigSource);
            }

            ReadConfigSettings();
            
            m_config.Source.ExpandKeyValues();

            return m_config;
        }

        /// <summary>
        /// Adds the included files as ini configuration files
        /// </summary>
        /// <param name="sources">List of URL strings or filename strings</param>
        private void AddIncludes(List<string> sources)
        {
            //loop over config sources
            foreach (IConfig config in m_config.Source.Configs)
            {
                // Look for Include-* in the key name
                string[] keys = config.GetKeys();
                foreach (string k in keys)
                {
                    if (k.StartsWith("Include-"))
                    {
                        // read the config file to be included.
                        string file = config.GetString(k);
                        if (IsUri(file))
                        {
                            if (!sources.Contains(file))
                                sources.Add(file);
                        }
                        else
                        {
                            string basepath = Path.GetFullPath(Util.configDir());
                            // Resolve relative paths with wildcards
                            string chunkWithoutWildcards = file;
                            string chunkWithWildcards = string.Empty;
                            int wildcardIndex = file.IndexOfAny(new char[] { '*', '?' });
                            if (wildcardIndex != -1)
                            {
                                chunkWithoutWildcards = file.Substring(0, wildcardIndex);
                                chunkWithWildcards = file.Substring(wildcardIndex);
                            }
                            string path = Path.Combine(basepath, chunkWithoutWildcards);
                            path = Path.GetFullPath(path) + chunkWithWildcards;
                            string[] paths = Util.Glob(path);
                            
                            // If the include path contains no wildcards, then warn the user that it wasn't found.
                            if (wildcardIndex == -1 && paths.Length == 0)
                            {
                                m_log.WarnFormat("[CONFIG]: Could not find include file {0}", path);
                            }
                            else
                            {                            
                                foreach (string p in paths)
                                {
                                    if (!sources.Contains(p))
                                        sources.Add(p);
                                }
                            }
                        }
                    }
                }
            }
        }
        /// <summary>
        /// Check if we can convert the string to a URI
        /// </summary>
        /// <param name="file">String uri to the remote resource</param>
        /// <returns>true if we can convert the string to a Uri object</returns>
        bool IsUri(string file)
        {
            Uri configUri;

            return Uri.TryCreate(file, UriKind.Absolute,
                    out configUri) && configUri.Scheme == Uri.UriSchemeHttp;
        }

        /// <summary>
        /// Provide same ini loader functionality for standard ini and master ini - file system or XML over http
        /// </summary>
        /// <param name="iniPath">Full path to the ini</param>
        /// <returns></returns>
        private bool ReadConfig(string iniPath)
        {
            bool success = false;

            if (!IsUri(iniPath))
            {
                m_log.InfoFormat("[CONFIG]: Reading configuration file {0}", Path.GetFullPath(iniPath));

                m_config.Source.Merge(new IniConfigSource(iniPath));
                success = true;
            }
            else
            {
                m_log.InfoFormat("[CONFIG]: {0} is a http:// URI, fetching ...", iniPath);

                // The ini file path is a http URI
                // Try to read it
                try
                {
                    XmlReader r = XmlReader.Create(iniPath);
                    XmlConfigSource cs = new XmlConfigSource(r);
                    m_config.Source.Merge(cs);

                    success = true;
                }
                catch (Exception e)
                {
                    m_log.FatalFormat("[CONFIG]: Exception reading config from URI {0}\n" + e.ToString(), iniPath);
                    Environment.Exit(1);
                }
            }
            return success;
        }

        /// <summary>
        /// Setup a default config values in case they aren't present in the ini file
        /// </summary>
        /// <returns>A Configuration source containing the default configuration</returns>
        private static IConfigSource DefaultConfig()
        {
            IConfigSource defaultConfig = new IniConfigSource();

            {
                IConfig config = defaultConfig.Configs["Startup"];

                if (null == config)
                    config = defaultConfig.AddConfig("Startup");

                config.Set("region_info_source", "filesystem");

                config.Set("physics", "OpenDynamicsEngine");
                config.Set("meshing", "Meshmerizer");
                config.Set("physical_prim", true);
                config.Set("serverside_object_permissions", true);
                config.Set("storage_plugin", "OpenSim.Data.SQLite.dll");
                config.Set("storage_connection_string", "URI=file:OpenSim.db,version=3");
                config.Set("storage_prim_inventories", true);
                config.Set("startup_console_commands_file", String.Empty);
                config.Set("shutdown_console_commands_file", String.Empty);
                config.Set("DefaultScriptEngine", "XEngine");
                config.Set("clientstack_plugin", "OpenSim.Region.ClientStack.LindenUDP.dll");
                // life doesn't really work without this
                config.Set("EventQueue", true);
            }

            {
                IConfig config = defaultConfig.Configs["Network"];

                if (null == config)
                    config = defaultConfig.AddConfig("Network");

                config.Set("http_listener_port", ConfigSettings.DefaultRegionHttpPort);
            }

            return defaultConfig;
        }

        /// <summary>
        /// Read initial region settings from the ConfigSource
        /// </summary>
        protected virtual void ReadConfigSettings()
        {
            IConfig startupConfig = m_config.Source.Configs["Startup"];
            if (startupConfig != null)
            {
                m_configSettings.PhysicsEngine = startupConfig.GetString("physics");
                m_configSettings.MeshEngineName = startupConfig.GetString("meshing");
                m_configSettings.StorageDll = startupConfig.GetString("storage_plugin");

                m_configSettings.ClientstackDll 
                    = startupConfig.GetString("clientstack_plugin", "OpenSim.Region.ClientStack.LindenUDP.dll");
            }

            m_networkServersInfo.loadFromConfiguration(m_config.Source);
        }
    }
}