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