Skip to content

cnblogs/EnyimMemcachedCore

This branch is 528 commits ahead of, 17 commits behind enyim/EnyimMemcached:develop.

Folders and files

NameName
Last commit message
Last commit date

Latest commit

05e76ee · Jan 24, 2025
Nov 23, 2024
Nov 23, 2024
Jan 24, 2025
Nov 23, 2024
Feb 21, 2024
Jan 2, 2023
Mar 15, 2010
Jan 12, 2023
Jan 2, 2023
Mar 15, 2010
Nov 23, 2024
Jan 29, 2023
Jan 2, 2023

Repository files navigation

Enyim Memcached Client

This is a memcached client library for .NET migrated from EnyimMemcached.

Configure

The appsettings.json Without Authentication

{
  "enyimMemcached": {
    "Servers": [
      {
        "Address": "memcached",
        "Port": 11211
      }
    ],
    "Transcoder": "MessagePackTranscoder"
  }
}

The appsettings.json With Authentication

{
  "enyimMemcached": {
    "Servers": [
      {
        "Address": "memcached",
        "Port": 11211
      }
    ],
    "Authentication": {
      "Type": "Enyim.Caching.Memcached.PlainTextAuthenticator",
      "Parameters": {
        "zone": "",
        "userName": "username",
        "password": "password"
      }
    }
  }
}

Startup.cs

public class Startup
{
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddEnyimMemcached();
        // services.AddEnyimMemcached("enyimMemcached");
        // services.AddEnyimMemcached(Configuration);
        // services.AddEnyimMemcached(Configuration, "enyimMemcached");
        // services.AddEnyimMemcached(Configuration.GetSection("enyimMemcached"));
        // services.AddEnyimMemcached(options => options.AddServer("memcached", 11211));
    }
    
    public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
    { 
        app.UseEnyimMemcached();
    }
}

Example usage

Use IMemcachedClient interface

public class HomeController : Controller
{
    private readonly IMemcachedClient _memcachedClient;
    private readonly IBlogPostService _blogPostService;

    public HomeController(IMemcachedClient memcachedClient, IBlogPostService blogPostService)
    {
        _memcachedClient = memcachedClient;
        _blogPostService = blogPostService;
    }

    public async Task<IActionResult> Index()
    {
        var cacheKey = "blogposts-recent";
        var cacheSeconds = 600;

        var posts = await _memcachedClient.GetValueOrCreateAsync(
            cacheKey,
            cacheSeconds,
            async () => await _blogPostService.GetRecent(10));

        return Ok(posts);
    }
}

Use IDistributedCache interface

public class CreativeService
{
    private ICreativeRepository _creativeRepository;
    private IDistributedCache _cache;

    public CreativeService(
        ICreativeRepository creativeRepository,
        IDistributedCache cache)
    {
        _creativeRepository = creativeRepository;
        _cache = cache;
    }

    public async Task<IList<CreativeDTO>> GetCreatives(string unitName)
    {
        var cacheKey = $"creatives_{unitName}";
        IList<CreativeDTO> creatives = null;

        var creativesJson = await _cache.GetStringAsync(cacheKey);
        if (creativesJson == null)
        {
            creatives = await _creativeRepository.GetCreatives(unitName)
                    .ProjectTo<CreativeDTO>().ToListAsync();

            var json = string.Empty;
            if (creatives != null && creatives.Count() > 0)
            {
                json = JsonConvert.SerializeObject(creatives);
            }
            await _cache.SetStringAsync(
                cacheKey, 
                json, 
                new DistributedCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromMinutes(5)));
        }
        else
        {
            creatives = JsonConvert.DeserializeObject<List<CreativeDTO>>(creativesJson);
        }

        return creatives;
    }
}