.NET Core----zipkin链路追踪使用

        /// <summary>
        /// 注册zipkinTrace
        /// </summary>
        /// <param name="app"></param>
        /// <param name="loggerFactory"></param>
        /// <param name="lifetime"></param>
        public void RegisterZipkinTrace(IApplicationBuilder app, ILoggerFactory loggerFactory, IApplicationLifetime lifetime)
        {
            lifetime.ApplicationStarted.Register(() =>
            {
                TraceManager.SamplingRate = 1.0f;//记录数据密度，1.0代表全部记录
                var logger = new TracingLogger(loggerFactory, "zipkin4net");//内存数据
                var httpSender = new HttpZipkinSender("http://120.78.146.192:9411", "application/json");
                var tracer = new ZipkinTracer(httpSender, new JSONSpanSerializer());//注册zipkin
                TraceManager.RegisterTracer(tracer);//注册
                TraceManager.Start(logger);//放到内存中的数据

                //File.AppendAllText("D:" + this.GetType().Name + ".txt", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss" + logger));
            });

            lifetime.ApplicationStopped.Register(() => TraceManager.Stop());

            app.UseTracing("net_core_api");//这边的名字可自定义
        }

var myTraceId = ConvertHelper.EncodeLongToLowerHexString(Trace.Current.CurrentSpan.TraceId);
var mySpanId = ConvertHelper.EncodeLongToLowerHexString(Trace.Current.CurrentSpan.SpanId);

        public static string EncodeLongToLowerHexString(long value)
        {
            return value.ToString("x16");
        }