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* wip * WIP * fixes * wip * wip * wip * Added command info for custom commands * Added command count * Moved StreamProvider to common & added RespCommandsInfoProvider * Error handling, logging + bugfix * Added some tests * bugfixes * Added RespSerializableBase * wip * wip * Adding logic to CommandInfoUpdater tool * Finishing CommandInfoUpdater app * Moving LightClientRequest to common + moving CommandInfoUpdater under playground * running dotnet format * Adding some comments * some cleanup * Added comments to CommandInfoUpdater * dotnet format * Small bugfixes, added more supported commands * Some cleanup & small changes * Addressing comments + fixing some namings * Added test to verify coverage of command info, added some more missing commands info * Added WATCHOS, WATCHMS as internal commands * dotnet format * removing redis references from CommandInfoUpdater, adding "force" option * Updating RespCommandsInfo.json * Addressing comments * formatting * Update playground/CommandInfoUpdater/SupportedCommand.cs Co-authored-by: Lukas Maas <[email protected]> * Update libs/server/Resp/RespCommandInfoParser.cs Co-authored-by: Lukas Maas <[email protected]> * Clean up singleton comments in RespCommandInfoParser.cs * Fixing naming + checking output from calls to RespReadUtils * Some small fixes * Update test/Garnet.test/RespCommandTests.cs Co-authored-by: Lukas Maas <[email protected]> * Update playground/CommandInfoUpdater/CommandInfoUpdater.cs Co-authored-by: Lukas Maas <[email protected]> * Update playground/CommandInfoUpdater/CommandInfoUpdater.cs Co-authored-by: Lukas Maas <[email protected]> * Update playground/CommandInfoUpdater/CommandInfoUpdater.cs Co-authored-by: Lukas Maas <[email protected]> * Disabling Nullable in CommandInfoUpdater.csproj + Fixing thread-safety issue in RespCommandsInfo initialization * Adding documentation * Docs fix --------- Co-authored-by: Lukas Maas <[email protected]> Co-authored-by: Badrish Chandramouli <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT license. | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.ComponentModel; | ||
| using System.Linq; | ||
|
|
||
| namespace Garnet.common | ||
| { | ||
| /// <summary> | ||
| /// Utilities for enums | ||
| /// </summary> | ||
| public static class EnumUtils | ||
| { | ||
| private static readonly Dictionary<Type, IDictionary<string, string>> EnumNameToDescriptionCache = new(); | ||
| private static readonly Dictionary<Type, IDictionary<string, List<string>>> EnumDescriptionToNameCache = new(); | ||
|
|
||
| /// <summary> | ||
| /// Gets a mapping between an enum's string value to its description, for each of the enum's values | ||
| /// </summary> | ||
| /// <typeparam name="T">Enum type</typeparam> | ||
| /// <returns>A dictionary mapping between the enum's string value to its description</returns> | ||
| public static IDictionary<string, string> GetEnumNameToDescription<T>() where T : Enum | ||
| { | ||
| // Check if mapping is already in the cache. If not, add it to the cache. | ||
| if (!EnumNameToDescriptionCache.ContainsKey(typeof(T))) | ||
| AddTypeToCache<T>(); | ||
|
|
||
| return EnumNameToDescriptionCache[typeof(T)]; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// If enum does not have the 'Flags' attribute, gets an array of size 1 with the description of the enum's value. | ||
| /// If no description exists, returns the ToString() value of the input value. | ||
| /// If enum has the 'Flags' attribute, gets an array with all the descriptions of the flags which are turned on in the input value. | ||
| /// If no description exists, returns the ToString() value of the flag. | ||
| /// </summary> | ||
| /// <typeparam name="T">Enum type</typeparam> | ||
| /// <param name="value">Enum value</param> | ||
| /// <returns>Array of descriptions</returns> | ||
| public static string[] GetEnumDescriptions<T>(T value) where T : Enum | ||
| { | ||
| var nameToDesc = GetEnumNameToDescription<T>(); | ||
| return value.ToString().Split(',').Select(f => nameToDesc.ContainsKey(f.Trim()) ? nameToDesc[f.Trim()] : f).ToArray(); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets an enum's values based on the description attribute | ||
| /// </summary> | ||
| /// <typeparam name="T">Enum type</typeparam> | ||
| /// <param name="strVal">Enum description</param> | ||
| /// <param name="vals">Enum values</param> | ||
| /// <returns>True if matched more than one value successfully</returns> | ||
| public static bool TryParseEnumsFromDescription<T>(string strVal, out IEnumerable<T> vals) where T : struct, Enum | ||
| { | ||
| vals = new List<T>(); | ||
|
|
||
| if (!EnumDescriptionToNameCache.ContainsKey(typeof(T))) | ||
| AddTypeToCache<T>(); | ||
|
|
||
| if (!EnumDescriptionToNameCache[typeof(T)].ContainsKey(strVal)) | ||
| return false; | ||
|
|
||
| foreach (var enumName in EnumDescriptionToNameCache[typeof(T)][strVal]) | ||
| { | ||
| if (Enum.TryParse(enumName, out T enumVal)) | ||
| { | ||
| ((List<T>)vals).Add(enumVal); | ||
| } | ||
| } | ||
|
|
||
| return ((List<T>)vals).Count > 0; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets an enum's value based on its description attribute | ||
| /// If more than one values match the same description, returns the first one | ||
| /// </summary> | ||
| /// <typeparam name="T">Enum type</typeparam> | ||
| /// <param name="strVal">Enum description</param> | ||
| /// <param name="val">Enum value</param> | ||
| /// <returns>True if successful</returns> | ||
| public static bool TryParseEnumFromDescription<T>(string strVal, out T val) where T : struct, Enum | ||
| { | ||
| var isSuccessful = TryParseEnumsFromDescription(strVal, out IEnumerable<T> vals); | ||
| val = isSuccessful ? vals.First() : default; | ||
| return isSuccessful; | ||
| } | ||
|
|
||
|
|
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| private static void AddTypeToCache<T>() | ||
| { | ||
| var valToDesc = new Dictionary<string, string>(); | ||
| var descToVals = new Dictionary<string, List<string>>(); | ||
|
|
||
| foreach (var flagFieldInfo in typeof(T).GetFields()) | ||
| { | ||
| var descAttr = (DescriptionAttribute)flagFieldInfo.GetCustomAttributes(typeof(DescriptionAttribute), false).FirstOrDefault(); | ||
| if (descAttr != null) | ||
| { | ||
| valToDesc.Add(flagFieldInfo.Name, descAttr.Description); | ||
| if (!descToVals.ContainsKey(descAttr.Description)) | ||
| descToVals.Add(descAttr.Description, new List<string>()); | ||
| descToVals[descAttr.Description].Add(flagFieldInfo.Name); | ||
| } | ||
| } | ||
|
|
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| EnumNameToDescriptionCache.Add(typeof(T), valToDesc); | ||
| EnumDescriptionToNameCache.Add(typeof(T), descToVals); | ||
| } | ||
| } | ||
| } |
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