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-rw-r--r-- | OpenSim/Framework/Monitoring/StatsManager.cs | 557 |
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diff --git a/OpenSim/Framework/Monitoring/StatsManager.cs b/OpenSim/Framework/Monitoring/StatsManager.cs new file mode 100644 index 0000000..3136ee8 --- /dev/null +++ b/OpenSim/Framework/Monitoring/StatsManager.cs | |||
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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 OpenSimulator 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; | ||
30 | using System.Collections.Generic; | ||
31 | using System.Linq; | ||
32 | using System.Text; | ||
33 | |||
34 | using OpenSim.Framework; | ||
35 | using OpenMetaverse.StructuredData; | ||
36 | |||
37 | namespace OpenSim.Framework.Monitoring | ||
38 | { | ||
39 | /// <summary> | ||
40 | /// Static class used to register/deregister/fetch statistics | ||
41 | /// </summary> | ||
42 | public static class StatsManager | ||
43 | { | ||
44 | // Subcommand used to list other stats. | ||
45 | public const string AllSubCommand = "all"; | ||
46 | |||
47 | // Subcommand used to list other stats. | ||
48 | public const string ListSubCommand = "list"; | ||
49 | |||
50 | // All subcommands | ||
51 | public static HashSet<string> SubCommands = new HashSet<string> { AllSubCommand, ListSubCommand }; | ||
52 | |||
53 | /// <summary> | ||
54 | /// Registered stats categorized by category/container/shortname | ||
55 | /// </summary> | ||
56 | /// <remarks> | ||
57 | /// Do not add or remove directly from this dictionary. | ||
58 | /// </remarks> | ||
59 | public static SortedDictionary<string, SortedDictionary<string, SortedDictionary<string, Stat>>> RegisteredStats | ||
60 | = new SortedDictionary<string, SortedDictionary<string, SortedDictionary<string, Stat>>>(); | ||
61 | |||
62 | // private static AssetStatsCollector assetStats; | ||
63 | // private static UserStatsCollector userStats; | ||
64 | // private static SimExtraStatsCollector simExtraStats = new SimExtraStatsCollector(); | ||
65 | |||
66 | // public static AssetStatsCollector AssetStats { get { return assetStats; } } | ||
67 | // public static UserStatsCollector UserStats { get { return userStats; } } | ||
68 | public static SimExtraStatsCollector SimExtraStats { get; set; } | ||
69 | |||
70 | public static void RegisterConsoleCommands(ICommandConsole console) | ||
71 | { | ||
72 | console.Commands.AddCommand( | ||
73 | "General", | ||
74 | false, | ||
75 | "stats show", | ||
76 | "stats show [list|all|(<category>[.<container>])+", | ||
77 | "Show statistical information for this server", | ||
78 | "If no final argument is specified then legacy statistics information is currently shown.\n" | ||
79 | + "'list' argument will show statistic categories.\n" | ||
80 | + "'all' will show all statistics.\n" | ||
81 | + "A <category> name will show statistics from that category.\n" | ||
82 | + "A <category>.<container> name will show statistics from that category in that container.\n" | ||
83 | + "More than one name can be given separated by spaces.\n" | ||
84 | + "THIS STATS FACILITY IS EXPERIMENTAL AND DOES NOT YET CONTAIN ALL STATS", | ||
85 | HandleShowStatsCommand); | ||
86 | |||
87 | console.Commands.AddCommand( | ||
88 | "General", | ||
89 | false, | ||
90 | "show stats", | ||
91 | "show stats [list|all|(<category>[.<container>])+", | ||
92 | "Alias for 'stats show' command", | ||
93 | HandleShowStatsCommand); | ||
94 | |||
95 | StatsLogger.RegisterConsoleCommands(console); | ||
96 | } | ||
97 | |||
98 | public static void HandleShowStatsCommand(string module, string[] cmd) | ||
99 | { | ||
100 | ICommandConsole con = MainConsole.Instance; | ||
101 | |||
102 | if (cmd.Length > 2) | ||
103 | { | ||
104 | foreach (string name in cmd.Skip(2)) | ||
105 | { | ||
106 | string[] components = name.Split('.'); | ||
107 | |||
108 | string categoryName = components[0]; | ||
109 | string containerName = components.Length > 1 ? components[1] : null; | ||
110 | string statName = components.Length > 2 ? components[2] : null; | ||
111 | |||
112 | if (categoryName == AllSubCommand) | ||
113 | { | ||
114 | OutputAllStatsToConsole(con); | ||
115 | } | ||
116 | else if (categoryName == ListSubCommand) | ||
117 | { | ||
118 | con.Output("Statistic categories available are:"); | ||
119 | foreach (string category in RegisteredStats.Keys) | ||
120 | con.OutputFormat(" {0}", category); | ||
121 | } | ||
122 | else | ||
123 | { | ||
124 | SortedDictionary<string, SortedDictionary<string, Stat>> category; | ||
125 | if (!RegisteredStats.TryGetValue(categoryName, out category)) | ||
126 | { | ||
127 | con.OutputFormat("No such category as {0}", categoryName); | ||
128 | } | ||
129 | else | ||
130 | { | ||
131 | if (String.IsNullOrEmpty(containerName)) | ||
132 | { | ||
133 | OutputCategoryStatsToConsole(con, category); | ||
134 | } | ||
135 | else | ||
136 | { | ||
137 | SortedDictionary<string, Stat> container; | ||
138 | if (category.TryGetValue(containerName, out container)) | ||
139 | { | ||
140 | if (String.IsNullOrEmpty(statName)) | ||
141 | { | ||
142 | OutputContainerStatsToConsole(con, container); | ||
143 | } | ||
144 | else | ||
145 | { | ||
146 | Stat stat; | ||
147 | if (container.TryGetValue(statName, out stat)) | ||
148 | { | ||
149 | OutputStatToConsole(con, stat); | ||
150 | } | ||
151 | else | ||
152 | { | ||
153 | con.OutputFormat( | ||
154 | "No such stat {0} in {1}.{2}", statName, categoryName, containerName); | ||
155 | } | ||
156 | } | ||
157 | } | ||
158 | else | ||
159 | { | ||
160 | con.OutputFormat("No such container {0} in category {1}", containerName, categoryName); | ||
161 | } | ||
162 | } | ||
163 | } | ||
164 | } | ||
165 | } | ||
166 | } | ||
167 | else | ||
168 | { | ||
169 | // Legacy | ||
170 | if (SimExtraStats != null) | ||
171 | con.Output(SimExtraStats.Report()); | ||
172 | else | ||
173 | OutputAllStatsToConsole(con); | ||
174 | } | ||
175 | } | ||
176 | |||
177 | public static List<string> GetAllStatsReports() | ||
178 | { | ||
179 | List<string> reports = new List<string>(); | ||
180 | |||
181 | foreach (var category in RegisteredStats.Values) | ||
182 | reports.AddRange(GetCategoryStatsReports(category)); | ||
183 | |||
184 | return reports; | ||
185 | } | ||
186 | |||
187 | private static void OutputAllStatsToConsole(ICommandConsole con) | ||
188 | { | ||
189 | foreach (string report in GetAllStatsReports()) | ||
190 | con.Output(report); | ||
191 | } | ||
192 | |||
193 | private static List<string> GetCategoryStatsReports( | ||
194 | SortedDictionary<string, SortedDictionary<string, Stat>> category) | ||
195 | { | ||
196 | List<string> reports = new List<string>(); | ||
197 | |||
198 | foreach (var container in category.Values) | ||
199 | reports.AddRange(GetContainerStatsReports(container)); | ||
200 | |||
201 | return reports; | ||
202 | } | ||
203 | |||
204 | private static void OutputCategoryStatsToConsole( | ||
205 | ICommandConsole con, SortedDictionary<string, SortedDictionary<string, Stat>> category) | ||
206 | { | ||
207 | foreach (string report in GetCategoryStatsReports(category)) | ||
208 | con.Output(report); | ||
209 | } | ||
210 | |||
211 | private static List<string> GetContainerStatsReports(SortedDictionary<string, Stat> container) | ||
212 | { | ||
213 | List<string> reports = new List<string>(); | ||
214 | |||
215 | foreach (Stat stat in container.Values) | ||
216 | reports.Add(stat.ToConsoleString()); | ||
217 | |||
218 | return reports; | ||
219 | } | ||
220 | |||
221 | private static void OutputContainerStatsToConsole( | ||
222 | ICommandConsole con, SortedDictionary<string, Stat> container) | ||
223 | { | ||
224 | foreach (string report in GetContainerStatsReports(container)) | ||
225 | con.Output(report); | ||
226 | } | ||
227 | |||
228 | private static void OutputStatToConsole(ICommandConsole con, Stat stat) | ||
229 | { | ||
230 | con.Output(stat.ToConsoleString()); | ||
231 | } | ||
232 | |||
233 | // Creates an OSDMap of the format: | ||
234 | // { categoryName: { | ||
235 | // containerName: { | ||
236 | // statName: { | ||
237 | // "Name": name, | ||
238 | // "ShortName": shortName, | ||
239 | // ... | ||
240 | // }, | ||
241 | // statName: { | ||
242 | // "Name": name, | ||
243 | // "ShortName": shortName, | ||
244 | // ... | ||
245 | // }, | ||
246 | // ... | ||
247 | // }, | ||
248 | // containerName: { | ||
249 | // ... | ||
250 | // }, | ||
251 | // ... | ||
252 | // }, | ||
253 | // categoryName: { | ||
254 | // ... | ||
255 | // }, | ||
256 | // ... | ||
257 | // } | ||
258 | // The passed in parameters will filter the categories, containers and stats returned. If any of the | ||
259 | // parameters are either EmptyOrNull or the AllSubCommand value, all of that type will be returned. | ||
260 | // Case matters. | ||
261 | public static OSDMap GetStatsAsOSDMap(string pCategoryName, string pContainerName, string pStatName) | ||
262 | { | ||
263 | OSDMap map = new OSDMap(); | ||
264 | |||
265 | foreach (string catName in RegisteredStats.Keys) | ||
266 | { | ||
267 | // Do this category if null spec, "all" subcommand or category name matches passed parameter. | ||
268 | // Skip category if none of the above. | ||
269 | if (!(String.IsNullOrEmpty(pCategoryName) || pCategoryName == AllSubCommand || pCategoryName == catName)) | ||
270 | continue; | ||
271 | |||
272 | OSDMap contMap = new OSDMap(); | ||
273 | foreach (string contName in RegisteredStats[catName].Keys) | ||
274 | { | ||
275 | if (!(string.IsNullOrEmpty(pContainerName) || pContainerName == AllSubCommand || pContainerName == contName)) | ||
276 | continue; | ||
277 | |||
278 | OSDMap statMap = new OSDMap(); | ||
279 | |||
280 | SortedDictionary<string, Stat> theStats = RegisteredStats[catName][contName]; | ||
281 | foreach (string statName in theStats.Keys) | ||
282 | { | ||
283 | if (!(String.IsNullOrEmpty(pStatName) || pStatName == AllSubCommand || pStatName == statName)) | ||
284 | continue; | ||
285 | |||
286 | statMap.Add(statName, theStats[statName].ToOSDMap()); | ||
287 | } | ||
288 | |||
289 | contMap.Add(contName, statMap); | ||
290 | } | ||
291 | map.Add(catName, contMap); | ||
292 | } | ||
293 | |||
294 | return map; | ||
295 | } | ||
296 | |||
297 | public static Hashtable HandleStatsRequest(Hashtable request) | ||
298 | { | ||
299 | Hashtable responsedata = new Hashtable(); | ||
300 | // string regpath = request["uri"].ToString(); | ||
301 | int response_code = 200; | ||
302 | string contenttype = "text/json"; | ||
303 | |||
304 | string pCategoryName = StatsManager.AllSubCommand; | ||
305 | string pContainerName = StatsManager.AllSubCommand; | ||
306 | string pStatName = StatsManager.AllSubCommand; | ||
307 | |||
308 | if (request.ContainsKey("cat")) pCategoryName = request["cat"].ToString(); | ||
309 | if (request.ContainsKey("cont")) pContainerName = request["cat"].ToString(); | ||
310 | if (request.ContainsKey("stat")) pStatName = request["stat"].ToString(); | ||
311 | |||
312 | string strOut = StatsManager.GetStatsAsOSDMap(pCategoryName, pContainerName, pStatName).ToString(); | ||
313 | |||
314 | // If requestor wants it as a callback function, build response as a function rather than just the JSON string. | ||
315 | if (request.ContainsKey("callback")) | ||
316 | { | ||
317 | strOut = request["callback"].ToString() + "(" + strOut + ");"; | ||
318 | } | ||
319 | |||
320 | // m_log.DebugFormat("{0} StatFetch: uri={1}, cat={2}, cont={3}, stat={4}, resp={5}", | ||
321 | // LogHeader, regpath, pCategoryName, pContainerName, pStatName, strOut); | ||
322 | |||
323 | responsedata["int_response_code"] = response_code; | ||
324 | responsedata["content_type"] = contenttype; | ||
325 | responsedata["keepalive"] = false; | ||
326 | responsedata["str_response_string"] = strOut; | ||
327 | responsedata["access_control_allow_origin"] = "*"; | ||
328 | |||
329 | return responsedata; | ||
330 | } | ||
331 | |||
332 | // /// <summary> | ||
333 | // /// Start collecting statistics related to assets. | ||
334 | // /// Should only be called once. | ||
335 | // /// </summary> | ||
336 | // public static AssetStatsCollector StartCollectingAssetStats() | ||
337 | // { | ||
338 | // assetStats = new AssetStatsCollector(); | ||
339 | // | ||
340 | // return assetStats; | ||
341 | // } | ||
342 | // | ||
343 | // /// <summary> | ||
344 | // /// Start collecting statistics related to users. | ||
345 | // /// Should only be called once. | ||
346 | // /// </summary> | ||
347 | // public static UserStatsCollector StartCollectingUserStats() | ||
348 | // { | ||
349 | // userStats = new UserStatsCollector(); | ||
350 | // | ||
351 | // return userStats; | ||
352 | // } | ||
353 | |||
354 | /// <summary> | ||
355 | /// Register a statistic. | ||
356 | /// </summary> | ||
357 | /// <param name='stat'></param> | ||
358 | /// <returns></returns> | ||
359 | public static bool RegisterStat(Stat stat) | ||
360 | { | ||
361 | SortedDictionary<string, SortedDictionary<string, Stat>> category = null, newCategory; | ||
362 | SortedDictionary<string, Stat> container = null, newContainer; | ||
363 | |||
364 | lock (RegisteredStats) | ||
365 | { | ||
366 | // Stat name is not unique across category/container/shortname key. | ||
367 | // XXX: For now just return false. This is to avoid problems in regression tests where all tests | ||
368 | // in a class are run in the same instance of the VM. | ||
369 | if (TryGetStatParents(stat, out category, out container)) | ||
370 | return false; | ||
371 | |||
372 | // We take a copy-on-write approach here of replacing dictionaries when keys are added or removed. | ||
373 | // This means that we don't need to lock or copy them on iteration, which will be a much more | ||
374 | // common operation after startup. | ||
375 | if (container != null) | ||
376 | newContainer = new SortedDictionary<string, Stat>(container); | ||
377 | else | ||
378 | newContainer = new SortedDictionary<string, Stat>(); | ||
379 | |||
380 | if (category != null) | ||
381 | newCategory = new SortedDictionary<string, SortedDictionary<string, Stat>>(category); | ||
382 | else | ||
383 | newCategory = new SortedDictionary<string, SortedDictionary<string, Stat>>(); | ||
384 | |||
385 | newContainer[stat.ShortName] = stat; | ||
386 | newCategory[stat.Container] = newContainer; | ||
387 | RegisteredStats[stat.Category] = newCategory; | ||
388 | } | ||
389 | |||
390 | return true; | ||
391 | } | ||
392 | |||
393 | /// <summary> | ||
394 | /// Deregister a statistic | ||
395 | /// </summary>> | ||
396 | /// <param name='stat'></param> | ||
397 | /// <returns></returns> | ||
398 | public static bool DeregisterStat(Stat stat) | ||
399 | { | ||
400 | SortedDictionary<string, SortedDictionary<string, Stat>> category = null, newCategory; | ||
401 | SortedDictionary<string, Stat> container = null, newContainer; | ||
402 | |||
403 | lock (RegisteredStats) | ||
404 | { | ||
405 | if (!TryGetStatParents(stat, out category, out container)) | ||
406 | return false; | ||
407 | |||
408 | newContainer = new SortedDictionary<string, Stat>(container); | ||
409 | newContainer.Remove(stat.ShortName); | ||
410 | |||
411 | newCategory = new SortedDictionary<string, SortedDictionary<string, Stat>>(category); | ||
412 | newCategory.Remove(stat.Container); | ||
413 | |||
414 | newCategory[stat.Container] = newContainer; | ||
415 | RegisteredStats[stat.Category] = newCategory; | ||
416 | |||
417 | return true; | ||
418 | } | ||
419 | } | ||
420 | |||
421 | public static bool TryGetStat(string category, string container, string statShortName, out Stat stat) | ||
422 | { | ||
423 | stat = null; | ||
424 | SortedDictionary<string, SortedDictionary<string, Stat>> categoryStats; | ||
425 | |||
426 | lock (RegisteredStats) | ||
427 | { | ||
428 | if (!TryGetStatsForCategory(category, out categoryStats)) | ||
429 | return false; | ||
430 | |||
431 | SortedDictionary<string, Stat> containerStats; | ||
432 | |||
433 | if (!categoryStats.TryGetValue(container, out containerStats)) | ||
434 | return false; | ||
435 | |||
436 | return containerStats.TryGetValue(statShortName, out stat); | ||
437 | } | ||
438 | } | ||
439 | |||
440 | public static bool TryGetStatsForCategory( | ||
441 | string category, out SortedDictionary<string, SortedDictionary<string, Stat>> stats) | ||
442 | { | ||
443 | lock (RegisteredStats) | ||
444 | return RegisteredStats.TryGetValue(category, out stats); | ||
445 | } | ||
446 | |||
447 | /// <summary> | ||
448 | /// Get the same stat for each container in a given category. | ||
449 | /// </summary> | ||
450 | /// <returns> | ||
451 | /// The stats if there were any to fetch. Otherwise null. | ||
452 | /// </returns> | ||
453 | /// <param name='category'></param> | ||
454 | /// <param name='statShortName'></param> | ||
455 | public static List<Stat> GetStatsFromEachContainer(string category, string statShortName) | ||
456 | { | ||
457 | SortedDictionary<string, SortedDictionary<string, Stat>> categoryStats; | ||
458 | |||
459 | lock (RegisteredStats) | ||
460 | { | ||
461 | if (!RegisteredStats.TryGetValue(category, out categoryStats)) | ||
462 | return null; | ||
463 | |||
464 | List<Stat> stats = null; | ||
465 | |||
466 | foreach (SortedDictionary<string, Stat> containerStats in categoryStats.Values) | ||
467 | { | ||
468 | if (containerStats.ContainsKey(statShortName)) | ||
469 | { | ||
470 | if (stats == null) | ||
471 | stats = new List<Stat>(); | ||
472 | |||
473 | stats.Add(containerStats[statShortName]); | ||
474 | } | ||
475 | } | ||
476 | |||
477 | return stats; | ||
478 | } | ||
479 | } | ||
480 | |||
481 | public static bool TryGetStatParents( | ||
482 | Stat stat, | ||
483 | out SortedDictionary<string, SortedDictionary<string, Stat>> category, | ||
484 | out SortedDictionary<string, Stat> container) | ||
485 | { | ||
486 | category = null; | ||
487 | container = null; | ||
488 | |||
489 | lock (RegisteredStats) | ||
490 | { | ||
491 | if (RegisteredStats.TryGetValue(stat.Category, out category)) | ||
492 | { | ||
493 | if (category.TryGetValue(stat.Container, out container)) | ||
494 | { | ||
495 | if (container.ContainsKey(stat.ShortName)) | ||
496 | return true; | ||
497 | } | ||
498 | } | ||
499 | } | ||
500 | |||
501 | return false; | ||
502 | } | ||
503 | |||
504 | public static void RecordStats() | ||
505 | { | ||
506 | lock (RegisteredStats) | ||
507 | { | ||
508 | foreach (SortedDictionary<string, SortedDictionary<string, Stat>> category in RegisteredStats.Values) | ||
509 | { | ||
510 | foreach (SortedDictionary<string, Stat> container in category.Values) | ||
511 | { | ||
512 | foreach (Stat stat in container.Values) | ||
513 | { | ||
514 | if (stat.MeasuresOfInterest != MeasuresOfInterest.None) | ||
515 | stat.RecordValue(); | ||
516 | } | ||
517 | } | ||
518 | } | ||
519 | } | ||
520 | } | ||
521 | } | ||
522 | |||
523 | /// <summary> | ||
524 | /// Stat type. | ||
525 | /// </summary> | ||
526 | /// <remarks> | ||
527 | /// A push stat is one which is continually updated and so it's value can simply by read. | ||
528 | /// A pull stat is one where reading the value triggers a collection method - the stat is not continually updated. | ||
529 | /// </remarks> | ||
530 | public enum StatType | ||
531 | { | ||
532 | Push, | ||
533 | Pull | ||
534 | } | ||
535 | |||
536 | /// <summary> | ||
537 | /// Measures of interest for this stat. | ||
538 | /// </summary> | ||
539 | [Flags] | ||
540 | public enum MeasuresOfInterest | ||
541 | { | ||
542 | None, | ||
543 | AverageChangeOverTime | ||
544 | } | ||
545 | |||
546 | /// <summary> | ||
547 | /// Verbosity of stat. | ||
548 | /// </summary> | ||
549 | /// <remarks> | ||
550 | /// Info will always be displayed. | ||
551 | /// </remarks> | ||
552 | public enum StatVerbosity | ||
553 | { | ||
554 | Debug, | ||
555 | Info | ||
556 | } | ||
557 | } \ No newline at end of file | ||