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DistributedFileStorage with MongoDB implementation of IDfsDatabase
- Storing metadata in the database (SQL/NoSQL)
- Storing files in the file system
- Deduplication of files by content
- Distributed storage (multiple disks)
dotnet new console --name "DfsExample" cd DfsExample dotnet add package DistributedFileStorage.MongoDB dotnet add package Microsoft.Extensions.DependencyInjection
program.cs:
using DistributedFileStorage;
using Microsoft.Extensions.DependencyInjection;
// add services to the container
var services = new ServiceCollection()
.AddDfsMongo<string>(options =>
{
// add database settings
options.Database.ConnectionString = "mongodb://localhost:27017";
// add path construction algorithm
var rnd = new Random();
options.FileStorage.PathBuilder = (fileId) => Path.GetFullPath($@"_dfs\fake_disk_{rnd.Next(1, 3)}\{DateTime.Now:yyyy\\MM\\dd}\{fileId}");
})
.BuildServiceProvider();
var dfs = services.GetRequiredService<IDistributedFileStorage<string>>();
// upload
using var uploadFile = new MemoryStream(System.Text.Encoding.UTF8.GetBytes("test text"));
var fileId = await dfs.Add(uploadFile, $"example.txt", "my metadata");
// get info
var fileInfo = await dfs.GetInfo(fileId);
Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(fileInfo));
// download
using var downloadFile = File.Create("example.txt");
await foreach (var chunk in dfs.GetContent(fileId))
await downloadFile.WriteAsync(chunk);