FastGithub/FastGithub.Dns/DnsHostedService.cs
2021-06-17 23:39:51 +08:00

58 lines
1.7 KiB
C#

using DNS.Server;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Threading;
using System.Threading.Tasks;
namespace FastGithub.Dns
{
/// <summary>
/// dns后台服务
/// </summary>
sealed class DnsHostedService : IHostedService
{
private readonly DnsServer dnsServer;
private readonly ILogger<DnsHostedService> logger;
/// <summary>
/// dns后台服务
/// </summary>
/// <param name="githubRequestResolver"></param>
/// <param name="options"></param>
/// <param name="logger"></param>
public DnsHostedService(
GithubRequestResolver githubRequestResolver,
IOptions<DnsOptions> options,
ILogger<DnsHostedService> logger)
{
this.dnsServer = new DnsServer(githubRequestResolver, options.Value.UpStream);
this.logger = logger;
}
/// <summary>
/// 启动dns服务
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public Task StartAsync(CancellationToken cancellationToken)
{
this.dnsServer.Listen();
this.logger.LogInformation("dns服务启用成功");
return Task.CompletedTask;
}
/// <summary>
/// 停止dns服务
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public Task StopAsync(CancellationToken cancellationToken)
{
this.dnsServer.Dispose();
this.logger.LogInformation("dns服务已终止");
return Task.CompletedTask;
}
}
}