我正在以最有用的方式为我们的Web应用程序设置NLogs
我的思考过程如下
通过这种方式,可以轻松跟踪从请求开始到结束的所有事件系列
如果线程影响此解决方案,还有一些我并行运行服务方法的方案
我已尝试设置以下内容,但<form action="<?php echo base_url();?>home/create" method="POST" role="form" enctype="multipart/form-data" >
似乎没有转移到输出
https://github.com/NLog/NLog/wiki/Trace-Activity-Id-Layout-Renderer
答案 0 :(得分:3)
将值添加到httpContext
并使用NLog读取。
E.g。
HttpContext.Current.Items["myvariable"] = 123;
在你的NLog.config
中${aspnet-item:variable=myvariable} - produces "123"
你需要NLog.web或NLog.web.aspnetcore! Install instructions
答案 1 :(得分:1)
Ultimatley这就是我最终做的事情
我设置了一个新类,以便在系统的任何地方轻松获取请求数据
public static class HttpContextRequestData
{
public static string RequestGuid
{
get
{
if (HttpContext.Current.Items["RequestGuid"] == null)
return string.Empty;
else
return HttpContext.Current.Items["RequestGuid"] as string;
}
set
{
HttpContext.Current.Items["RequestGuid"] = value;
}
}
public static DateTime RequestInitiated
{
get
{
if (HttpContext.Current.Items["RequestInitiated"] == null)
return DateTime.Now;
else
return Convert.ToDateTime(HttpContext.Current.Items["RequestInitiated"]);
}
set
{
HttpContext.Current.Items["RequestInitiated"] = value;
}
}
}
然后我设置global.asax为每个请求设置一个Guid。我还添加了一些基本规则来记录请求长度,如果超过1分钟则会致命
protected void Application_BeginRequest(object sender, EventArgs e)
{
HttpContextRequestData.RequestGuid = Guid.NewGuid().ToString();
HttpContextRequestData.RequestInitiated = DateTime.Now;
logger.Info("Application_BeginRequest");
}
void Application_EndRequest(object sender, EventArgs e)
{
var requestAge = DateTime.Now.Subtract(HttpContextRequestData.RequestInitiated);
if (requestAge.TotalSeconds <= 20)
logger.Info("Application_End, took {0} seconds", requestAge.TotalSeconds);
else if (requestAge.TotalSeconds <= 60)
logger.Warn("Application_End, took {0} seconds", requestAge.TotalSeconds);
else
logger.Fatal("Application_End, took {0} seconds", requestAge.TotalSeconds);
}
然后为了简化操作,我设置了一个自定义的NLog LayoutRender,以便RequestGuid自动添加到记录事件中,而不必记住包含它
[LayoutRenderer("RequestGuid")]
public class RequestGuidLayoutRenderer : LayoutRenderer
{
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
builder.Append(HttpContextRequestData.RequestGuid);
}
}
在NLog.config中注册了RequestGuidLayoutRenderer
<extensions>
<add assembly="InsertYourAssemblyNameHere"/>
</extensions>
最后添加到我的目标配置
<target name="AllLogs" xsi:type="File" maxArchiveFiles="30" fileName="${logDirectory}/AllLogs.log" layout="${longdate}|${RequestGuid}|${level:uppercase=true}|${message}|${exception:format=tostring}"