OWIN 自托管静态网站

2021-02-13 09:15

阅读:552

我们知道,借助OWIN,WebApi,SignalR,WCF 都可以创建自托管(Self-Host)实例,完全不需要IIS,静态网站也可以。

最近做一个服务器监控小工具,用 SignalR 通信,监控端是一个静态网站(挂在IIS),服务端是一个 WinForm 程序(SignalR 服务寄宿),但是我想网站也寄宿到这个 WinForm 中,这样通过 WebApp.Start 开启主机时,网站也开启了,部署也方便

为了减少配置代码,我们用一个静态文件处理的中间件 Beginor.Owin.StaticFile

Install-Package Beginor.Owin.StaticFile

在 OWIN 启动类中配置

using Beginor.Owin.StaticFile;

[assembly: OwinStartup(typeof(AisinGioro.Server.OwinStartup))]
namespace AisinGioro.Server
{
    public class OwinStartup
    {
        public void Configuration(IAppBuilder app)
        {
            //静态文件托管
            app.Map("/wwwroot", map =>
            {
                // 允许跨域
                map.UseCors(CorsOptions.AllowAll);
                map.UseStaticFile(new StaticFileMiddlewareOptions
                {
                    RootDirectory = @"D:\P22\Felix\AisinGioro\AisinGioro.WebPortal",
                    DefaultFile = "index.html",
                    EnableETag = true,
                    EnableHtml5LocationMode = true,
                    MimeTypeProvider = new MimeTypeProvider(new Dictionarystring, string>
                    {
                        { ".html", "text/html" },
                        { ".htm", "text/html" },
                        { ".dtd", "text/xml" },
                        { ".xml", "text/xml" },
                        { ".ico", "image/x-icon" },
                        { ".css", "text/css" },
                        { ".js", "application/javascript" },
                        { ".json", "application/json" },
                        { ".jpg", "image/jpeg" },
                        { ".png", "image/png" },
                        { ".gif", "image/gif" },
                        { ".config", "text/xml" },
                        { ".woff2", "application/font-woff2"},
                        { ".eot", "application/vnd.ms-fontobject" },
                        { ".svg", "image/svg+xml" },
                        { ".woff", "font/x-woff" },
                        { ".txt", "text/plain" },
                        { ".log", "text/plain" }
                    })
                });
            });

            //SignalR托管
            app.Map("/signalr", map =>
            {
                // 允许跨域
                map.UseCors(CorsOptions.AllowAll);

                var hubConfiguration = new HubConfiguration
                {
                    //Resolver = **,
                    // You can enable JSONP by uncommenting line below.
                    // JSONP requests are insecure but some older browsers (and some
                    // versions of IE) require JSONP to work cross domain
                    EnableJSONP = true,
                    EnableDetailedErrors = true
                };                

                // Run the SignalR pipeline. We‘re not using MapSignalR
                // since this branch is already runs under the "/signalr"
                // path.
                map.RunSignalR(hubConfiguration);
            });

            //该值表示连接在超时之前保持打开状态的时间长度。
            //默认为110秒
            //GlobalHost.Configuration.ConnectionTimeout = TimeSpan.FromSeconds(110);

            //该值表示在连接停止之后引发断开连接事件之前要等待的时间长度。
            //默认为30秒
            GlobalHost.Configuration.DisconnectTimeout = TimeSpan.FromSeconds(60);
        }
    }
}        

其中 RootDirectory 也可以配置相对目录,比如 ../app/wwwroot

MimeTypeProvider 属性设置 MIME 映射(Content-Type),如果不设置,Beginor.Owin.StaticFile 只能能判断普通的类型(比如 html,css,js),所以还是设置下比较好

创建Web服务监听,开启主机

private void DoWork()
        {
            try
            {
                //创建WEB服务器监听
                using (WebApp.Start(_hostUrl))
                {
                    if (this.OnStartSucceed != null)
                        this.OnStartSucceed(this, EventArgs.Empty);

                    LogHelper.Trace("Server started! {0}", _hostUrl);

                    while (!cancelTokenSource.IsCancellationRequested)
                        Thread.Sleep(10);
                }

                LogHelper.Trace("Server stopped!");

                if (this.OnStopSucceed != null)
                    this.OnStopSucceed(this, EventArgs.Empty);  //Server stopped!
            }
            catch (Exception ex)
            {
                ex = ex.GetBaseException();
                LogHelper.Error(ex.Message + " " + _hostUrl);

                if (this.OnFailed != null)
                    this.OnFailed(this, new ErrorOccuredEventArgs(ex));
            }
        }

如果外部程序执行 cancelTokenSource.Cancel,主机服务停止运行

=========================

客户端连接SignalR用这个地址:http://localhost:9000/signalr

而访问网站,用这个地址:http://localhost:9000/wwwroot/

 


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