public void SomeWorkNeedTrace()
{
//will use "FooService-GetUserInfo" span
var tracer = TracerContext.GetCurrent();
tracer.ActiveSpan.Log("another log from FooService's SomeWork");
Task.Delay(100).Wait();
}
public string GetUserInfo(string username)
{
var tracer = TracerContext.GetCurrent();
using (var scope = tracer.BuildSpan("FooApi-GetUserInfo").StartActive(true))
{
var result = _fooService.GetUserInfo(username);
//按需使用
scope.Span.Log("a log from FooApi");
scope.Span.SetTag("username", username);
return(result);
}
}
public string GetUserInfo(string username)
{
var tracer = TracerContext.GetCurrent();
using (var scope = tracer.BuildSpan("FooData-GetUserInfo").StartActive(true))
{
//按需使用
scope.Span.Log("a log from FooData");
scope.Span.SetTag("username", username);
Task.Delay(20).Wait();
var result = $"some info of {username}";
return(result);
}
}