Enhance AbpRedisCahce

framework/src/Volo.Abp.Caching.StackExchangeRedis/Volo/Abp/Caching/StackExchangeRedis/AbpRedisCache.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Caching.Distributed;
@@ -19,6 +20,8 @@
     protected static readonly string SlidingExpirationKey;
     protected static readonly string DataKey;
     protected static readonly long NotPresent;
+    protected static readonly RedisValue[] HashMembersAbsoluteExpirationSlidingExpirationData;
+    protected static readonly RedisValue[] HashMembersAbsoluteExpirationSlidingExpiration;
 
     private readonly static FieldInfo SetScriptField;
     private readonly static FieldInfo RedisDatabaseField;
@@ -27,29 +30,29 @@
     private readonly static MethodInfo MapMetadataMethod;
     private readonly static MethodInfo GetAbsoluteExpirationMethod;
     private readonly static MethodInfo GetExpirationInSecondsMethod;
+    private readonly static MethodInfo OnRedisErrorMethod;
 
-    protected IDatabase RedisDatabase => GetRedisDatabase()!;
-    private IDatabase? _redisDatabase;
-
-    protected string Instance { get; }
+    protected RedisKey InstancePrefix { get; }
 
     static AbpRedisCache()
     {
         var type = typeof(RedisCache);
 
-        RedisDatabaseField = Check.NotNull(type.GetField("_cache", BindingFlags.Instance | BindingFlags.NonPublic), nameof(RedisDatabaseField))!;
+        RedisDatabaseField = Check.NotNull(type.GetField("_cache", BindingFlags.Instance | BindingFlags.NonPublic), nameof(RedisDatabaseField));
 
-        SetScriptField = Check.NotNull(type.GetField("_setScript", BindingFlags.Instance | BindingFlags.NonPublic), nameof(SetScriptField))!;
+        SetScriptField = Check.NotNull(type.GetField("_setScript", BindingFlags.Instance | BindingFlags.NonPublic), nameof(SetScriptField));
 
-        ConnectMethod = Check.NotNull(type.GetMethod("Connect", BindingFlags.Instance | BindingFlags.NonPublic), nameof(ConnectMethod))!;
+        ConnectMethod = Check.NotNull(type.GetMethod("Connect", BindingFlags.Instance | BindingFlags.NonPublic), nameof(ConnectMethod));
 
-        ConnectAsyncMethod = Check.NotNull(type.GetMethod("ConnectAsync", BindingFlags.Instance | BindingFlags.NonPublic), nameof(ConnectAsyncMethod))!;
+        ConnectAsyncMethod = Check.NotNull(type.GetMethod("ConnectAsync", BindingFlags.Instance | BindingFlags.NonPublic), nameof(ConnectAsyncMethod));
 
-        MapMetadataMethod = Check.NotNull(type.GetMethod("MapMetadata", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Static), nameof(MapMetadataMethod))!;
+        MapMetadataMethod = Check.NotNull(type.GetMethod("MapMetadata", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Static), nameof(MapMetadataMethod));
 
-        GetAbsoluteExpirationMethod = Check.NotNull(type.GetMethod("GetAbsoluteExpiration", BindingFlags.Static | BindingFlags.NonPublic), nameof(GetAbsoluteExpirationMethod))!;
+        GetAbsoluteExpirationMethod = Check.NotNull(type.GetMethod("GetAbsoluteExpiration", BindingFlags.Static | BindingFlags.NonPublic), nameof(GetAbsoluteExpirationMethod));
 
-        GetExpirationInSecondsMethod = Check.NotNull(type.GetMethod("GetExpirationInSeconds", BindingFlags.Static | BindingFlags.NonPublic), nameof(GetExpirationInSecondsMethod))!;
+        GetExpirationInSecondsMethod = Check.NotNull(type.GetMethod("GetExpirationInSeconds", BindingFlags.Static | BindingFlags.NonPublic), nameof(GetExpirationInSecondsMethod));
+
+        OnRedisErrorMethod = Check.NotNull(type.GetMethod("OnRedisError", BindingFlags.Instance | BindingFlags.NonPublic), nameof(OnRedisErrorMethod));
 
         AbsoluteExpirationKey = type.GetField("AbsoluteExpirationKey", BindingFlags.Static | BindingFlags.NonPublic)!.GetValue(null)!.ToString()!;
 
@@ -58,32 +61,29 @@
         DataKey = type.GetField("DataKey", BindingFlags.Static | BindingFlags.NonPublic)!.GetValue(null)!.ToString()!;
 
         NotPresent = type.GetField("NotPresent", BindingFlags.Static | BindingFlags.NonPublic)!.GetValue(null)!.To<int>();
+
+        HashMembersAbsoluteExpirationSlidingExpirationData = [AbsoluteExpirationKey, SlidingExpirationKey, DataKey];
+
+        HashMembersAbsoluteExpirationSlidingExpiration = [AbsoluteExpirationKey, SlidingExpirationKey];
     }
 
     public AbpRedisCache(IOptions<RedisCacheOptions> optionsAccessor)
         : base(optionsAccessor)
     {
-        Instance = optionsAccessor.Value.InstanceName ?? string.Empty;
-    }
-
-    protected virtual void Connect()
-    {
-        if (GetRedisDatabase() != null)
+        var instanceName = optionsAccessor.Value.InstanceName;
+        if (!string.IsNullOrEmpty(instanceName))
         {
-            return;
+            InstancePrefix = (RedisKey)Encoding.UTF8.GetBytes(instanceName);
         }
+    }
 
-        ConnectMethod.Invoke(this, Array.Empty<object>());
+    protected virtual IDatabase Connect()
+    { 
+        return (IDatabase)ConnectMethod.Invoke(this, Array.Empty<object>())!;
     }
 
     protected virtual async ValueTask<IDatabase> ConnectAsync(CancellationToken token = default)
     {
-        var redisDatabase = GetRedisDatabase();
-        if (redisDatabase != null)
-        {
-            return redisDatabase;
-        }
-
         return await (ValueTask<IDatabase>)ConnectAsyncMethod.Invoke(this, new object[] { token })!;
     }
 
@@ -108,9 +108,17 @@
         IEnumerable<KeyValuePair<string, byte[]>> items,
         DistributedCacheEntryOptions options)
     {
-        Connect();
+        var cache = Connect();
 
-        Task.WaitAll(PipelineSetMany(items, options));
+        try
+        {
+            Task.WaitAll(PipelineSetMany(cache, items, options));
+        }
+        catch (Exception ex)
+        {
+            OnRedisError(ex, cache);
+            throw;
+        }
     }
 
     public async Task SetManyAsync(
@@ -120,9 +128,17 @@
     {
         token.ThrowIfCancellationRequested();
 
-        await ConnectAsync(token);
+        var cache = await ConnectAsync(token);
 
-        await Task.WhenAll(PipelineSetMany(items, options));
+        try
+        {
+            await Task.WhenAll(PipelineSetMany(cache, items, options));
+        }
+        catch (Exception ex)
+        {
+            OnRedisError(ex, cache);
+            throw;
+        }
     }
 
     public void RefreshMany(
@@ -146,43 +162,58 @@
     {
         keys = Check.NotNull(keys, nameof(keys));
 
-        Connect();
+        var cache = Connect();
 
-        RedisDatabase.KeyDelete(keys.Select(key => (RedisKey)(Instance + key)).ToArray());
+        try
+        {
+            cache.KeyDelete(keys.Select(key => InstancePrefix.Append(key)).ToArray());
+        }
+        catch (Exception ex)
+        {
+            OnRedisError(ex, cache);
+            throw;
+        }
     }
 
     public async Task RemoveManyAsync(IEnumerable<string> keys, CancellationToken token = default)
     {
         keys = Check.NotNull(keys, nameof(keys));
 
         token.ThrowIfCancellationRequested();
-        await ConnectAsync(token);
+        var cache = await ConnectAsync(token);
 
-        await RedisDatabase.KeyDeleteAsync(keys.Select(key => (RedisKey)(Instance + key)).ToArray());
+        try
+        {
+            await cache.KeyDeleteAsync(keys.Select(key => InstancePrefix.Append(key)).ToArray());
+        }
+        catch (Exception ex)
+        {
+            OnRedisError(ex, cache);
+            throw;
+        }
     }
 
     protected virtual byte[]?[] GetAndRefreshMany(
         IEnumerable<string> keys,
         bool getData)
     {
-        Connect();
+       var cache = Connect();
 
-        var keyArray = keys.Select(key => Instance + key).ToArray();
-        RedisValue[][] results;
+        var keyArray = keys.Select(key => InstancePrefix.Append( key)).ToArray();
+        byte[]?[] bytes;
 
-        if (getData)
+        try
         {
-            results = RedisDatabase.HashMemberGetMany(keyArray, AbsoluteExpirationKey,
-                SlidingExpirationKey, DataKey);
+            var results = cache.HashMemberGetMany(keyArray, GetHashFields(getData));
+
+            Task.WaitAll(PipelineRefreshManyAndOutData(cache, keyArray, results, out bytes));
         }
-        else
+        catch (Exception ex)
         {
-            results = RedisDatabase.HashMemberGetMany(keyArray, AbsoluteExpirationKey,
-                SlidingExpirationKey);
+            OnRedisError(ex, cache);
+            throw;
         }
 
-        Task.WaitAll(PipelineRefreshManyAndOutData(keyArray, results, out var bytes));
-
         return bytes;
     }
 
@@ -193,29 +224,28 @@
     {
         token.ThrowIfCancellationRequested();
 
-        await ConnectAsync(token);
+        var cache = await ConnectAsync(token);
 
-        var keyArray = keys.Select(key => Instance + key).ToArray();
-        RedisValue[][] results;
+        var keyArray = keys.Select(key => InstancePrefix.Append(key)).ToArray();
+        byte[]?[] bytes;
 
-        if (getData)
+        try
         {
-            results = await RedisDatabase.HashMemberGetManyAsync(keyArray, AbsoluteExpirationKey,
-                SlidingExpirationKey, DataKey);
+            var results = await cache.HashMemberGetManyAsync(keyArray, GetHashFields(getData));
+            await Task.WhenAll(PipelineRefreshManyAndOutData(cache, keyArray, results, out bytes));
         }
-        else
+        catch (Exception ex)
         {
-            results = await RedisDatabase.HashMemberGetManyAsync(keyArray, AbsoluteExpirationKey,
-                SlidingExpirationKey);
+            OnRedisError(ex, cache);
+            throw;
         }
-
-        await Task.WhenAll(PipelineRefreshManyAndOutData(keyArray, results, out var bytes));
-
+
         return bytes;
     }
 
     protected virtual Task[] PipelineRefreshManyAndOutData(
-        string[] keys,
+        IDatabase cache,
+        RedisKey[] keys,
         RedisValue[][] results,
         out byte[]?[] bytes)
     {
@@ -242,7 +272,7 @@
                         expr = sldExpr;
                     }
 
-                    tasks[i] = RedisDatabase.KeyExpireAsync(keys[i], expr);
+                    tasks[i] = cache.KeyExpireAsync(keys[i], expr);
                 }
                 else
                 {
@@ -264,6 +294,7 @@
     }
 
     protected virtual Task[] PipelineSetMany(
+        IDatabase cache,
         IEnumerable<KeyValuePair<string, byte[]>> items,
         DistributedCacheEntryOptions options)
     {
@@ -277,14 +308,13 @@
 
         for (var i = 0; i < itemArray.Length; i++)
         {
-            tasks[i] = RedisDatabase.ScriptEvaluateAsync(GetSetScript(), new RedisKey[] { Instance + itemArray[i].Key },
-                new RedisValue[]
-                {
-                        absoluteExpiration?.Ticks ?? NotPresent,
+            tasks[i] = cache.ScriptEvaluateAsync(GetSetScript(), new RedisKey[] { InstancePrefix.Append(itemArray[i].Key) },
+            [
+                absoluteExpiration?.Ticks ?? NotPresent,
                         options.SlidingExpiration?.Ticks ?? NotPresent,
                         GetExpirationInSeconds(creationTime, absoluteExpiration, options) ?? NotPresent,
                         itemArray[i].Value
-                });
+            ]);
         }
 
         return tasks;
@@ -317,14 +347,21 @@
     {
         return (DateTimeOffset?)GetAbsoluteExpirationMethod.Invoke(null, new object[] { creationTime, options });
     }
-
-    private IDatabase? GetRedisDatabase()
+    
+    protected virtual void OnRedisError(Exception ex, IDatabase cache)
     {
-        return _redisDatabase ??= RedisDatabaseField.GetValue(this) as IDatabase;
+        OnRedisErrorMethod.Invoke(this, [ex, cache]);
     }
 
     private string GetSetScript()
     {
         return SetScriptField.GetValue(this)!.ToString()!;
     }
+
+    private static RedisValue[] GetHashFields(bool getData)
+    {
+        return getData
+            ? HashMembersAbsoluteExpirationSlidingExpirationData
+            : HashMembersAbsoluteExpirationSlidingExpiration;
+    }
 }

framework/src/Volo.Abp.Caching.StackExchangeRedis/Volo/Abp/Caching/StackExchangeRedis/AbpRedisExtensions.cs

@@ -8,16 +8,15 @@
 {
     public static RedisValue[][] HashMemberGetMany(
         this IDatabase cache,
-        string[] keys,
-        params string[] members)
+        RedisKey[] keys,
+        RedisValue[] fields)
     {
         var tasks = new Task<RedisValue[]>[keys.Length];
-        var fields = members.Select(member => (RedisValue)member).ToArray();
         var results = new RedisValue[keys.Length][];
 
         for (var i = 0; i < keys.Length; i++)
         {
-            tasks[i] = cache.HashGetAsync((RedisKey)keys[i], fields);
+            tasks[i] = cache.HashGetAsync(keys[i], fields);
         }
 
         for (var i = 0; i < tasks.Length; i++)
@@ -28,17 +27,16 @@
         return results;
     }
 
-    public static async Task<RedisValue[][]> HashMemberGetManyAsync(
+    public async static Task<RedisValue[][]> HashMemberGetManyAsync(
         this IDatabase cache,
-        string[] keys,
-        params string[] members)
+        RedisKey[] keys,
+        RedisValue[] fields)
     {
         var tasks = new Task<RedisValue[]>[keys.Length];
-        var fields = members.Select(member => (RedisValue)member).ToArray();
 
         for (var i = 0; i < keys.Length; i++)
         {
-            tasks[i] = cache.HashGetAsync((RedisKey)keys[i], fields);
+            tasks[i] = cache.HashGetAsync(keys[i], fields);
         }
 
         return await Task.WhenAll(tasks);