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Redis backed ASP.NET providers written in C# using StackExchange.Redis.

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RedisAspNetProviders Build status

Redis backed ASP.NET providers written in C# using StackExchange.Redis. Includes the following providers:

  • OutputCacheProvider;
  • SessionStateStoreProvider.

To use RedisAspNetProviders in your project it must meet the following requirements:

  1. .NET 4.0 or later.
  2. Redis 2.6.0 or later.

To build RedisAspNetProviders and run tests you will need Visual Studio 2013.

Installation

  1. RedisAspNetProviders can be installed via the nuget UI (as RedisAspNetProviders) or via the nuget package manager console:

     PM> Install-Package RedisAspNetProviders
    
  2. Alternatively, you can grab sources from here and build.

Configure connection to Redis:

Add a connection string for Redis and specify the connectionStringName for provider:

<connectionStrings>
  <add name="RedisConnectionString" connectionString="192.168.0.120,connectTimeout=5000" />
</connectionStrings>
<system.web>
  ...
  <sessionState mode="Custom" customProvider="RedisSessionStateStoreProvider"> 
    <providers>
      <add name="RedisSessionStateStoreProvider"
           type="RedisAspNetProviders.SessionStateStoreProvider, RedisAspNetProviders"
           connectionStringName="RedisConnectionString" />
    </providers>
  </sessionState>
  ...
  <caching>
    <outputCache defaultProvider="RedisOutputCacheProvider">
      <providers>
        <add name="RedisOutputCacheProvider"
             type="RedisAspNetProviders.OutputCacheProvider, RedisAspNetProviders"
             connectionStringName="RedisConnectionString" />
      </providers>
    </outputCache>
  </caching>
  ...
</system.web>

... or specify the connectionString directly:

<system.web>
  ...
  <sessionState mode="Custom" customProvider="RedisSessionStateStoreProvider"> 
    <providers>
      <add name="RedisSessionStateStoreProvider"
           type="RedisAspNetProviders.SessionStateStoreProvider, RedisAspNetProviders"
           connectionString="192.168.0.120,connectTimeout=10000" />
    </providers>
  </sessionState>
  ...
  <caching>
    <outputCache defaultProvider="RedisOutputCacheProvider">
      <providers>
        <add name="RedisOutputCacheProvider"
             type="RedisAspNetProviders.OutputCacheProvider, RedisAspNetProviders"
             connectionString="192.168.0.121,connectTimeout=10000" />
      </providers>
    </outputCache>
  </caching>
  ...
</system.web>

For additional information about configuring connection to Redis you can read `StackExchange.Redis``s documentation.

Additional configuration parameters

All providers support several optional parameters:

  • dbNumber allows you to specify a number of the database which will store sessions; by default dbNumber=0;
  • keyPrefix allows you to specify a prefix for the RedisKey which will be used to store session state in Redis; by default keyPrefix="".
<system.web>
  ...
  <sessionState mode="Custom" customProvider="RedisSessionStateStoreProvider"> 
    <providers>
      <add name="RedisSessionStateStoreProvider"
           type="RedisAspNetProviders.SessionStateStoreProvider, RedisAspNetProviders"
           connectionString="192.168.0.120:6379"
           dbNumber="1"
           keyPrefix="MyWebApplication/SessionState/" />
    </providers>
  </sessionState>
  ...
  <caching>
    <outputCache defaultProvider="RedisOutputCacheProvider">
      <providers>
        <add name="RedisOutputCacheProvider"
             type="RedisAspNetProviders.OutputCacheProvider, RedisAspNetProviders"
             connectionString="192.168.0.121:6379,connectTimeout=10000"
             dbNumber="1"
             keyPrefix="MyWebApplication/OutputCache/" />
      </providers>
    </outputCache>
  </caching>
  ...
</system.web>

Note: If you want to implement your own rules for choosing a Redis database or formatting a RedisKey you can override SessionStateStoreProvider.GetSessionStateStorageDetails(httpContext, sessionId) and OutputCacheProvider.GetCacheEntryStorageDetails(cacheEntryKey) methods. By default these methods return configured via dbNumber Redis database proxy and RedisKey which is generated as keyPrefix + sessionId for SessionStateStoreProvider and keyPrefix + cacheEntryKey for OutputCacheProvider.

Custom serialization, compression, etc.

All providers have protected virtual methods Serialize***() and Deserialize***(). Feel free to inherit from necessary provider and implement your own serialization mechanism.

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