public bool Invoke(SamplingContext samplingContext, Sampler next)
{
if (!_sample_on)
{
return(next(samplingContext));
}
return(_idx.Increment() <= _samplePer3Secs && next(samplingContext));
}
public bool Invoke(SamplingContext samplingContext, Sampler next)
{
if (_ignoreUrlList.Any(b => samplingContext.OperationName.ToLower().Contains(b)))
{
return(false);
}
return(next(samplingContext));
}
public bool Invoke(SamplingContext samplingContext, Sampler next)
{
if (!_sample_on)
{
return(next(samplingContext));
}
var r = _random.Next(10000);
return(r <= _samplingRate && next(samplingContext));
}
private bool GetSampled(SegmentContext parentSegmentContext, string operationName,
StringOrIntValue peer = default(StringOrIntValue))
{
if (parentSegmentContext != null)
{
return(parentSegmentContext.Sampled);
}
var sampledContext = new SamplingContext(operationName, peer, new StringOrIntValue(operationName),
default(StringOrIntValue));
var sampler = _samplerChainBuilder.Build();
return(sampler(sampledContext));
}
public bool Invoke(SamplingContext samplingContext, Sampler next)
{
if (!_sample_on)
{
return(next(samplingContext));
}
foreach (var pattern in _ignorePaths)
{
if (FastPathMatcher.Match(pattern, samplingContext.OperationName))
{
return(false);
}
}
return(next(samplingContext));
}
/// <summary>
///
/// </summary>
/// <param name="samplingContext"></param>
/// <param name="next"></param>
/// <returns>true:监听；false:忽略监听</returns>
public bool Invoke(SamplingContext samplingContext, Sampler next)
{
try
{
if (string.IsNullOrEmpty(samplingContext.OperationName))
{
return(false);
}
var urls = new List <IgnoresUrl>();
_configuration.GetSection("SkyWalking:Ignores").Bind(urls);
if (urls != null && urls.Count > 0)
{
foreach (var item in urls)
{
if (string.IsNullOrEmpty(item.Urls))
{
continue;
}
var isContains = item.Urls.ToLower().Split(',').ToList().Exists(a => samplingContext.OperationName.ToLower().Contains(a));
if (isContains)
{
return(false);
}
}
}
var result = next(samplingContext);
return(result);
}
catch (Exception ex)
{
_logger.Error(ex, $"SkyWalking链路追踪异常 OperationName:{samplingContext?.OperationName}");
return(false);
}
}
private bool GetSampled(ICarrier carrier, string operationName)
{
if (carrier.HasValue && carrier.Sampled.HasValue)
{
return(carrier.Sampled.Value);
}
SamplingContext samplingContext;
if (carrier.HasValue)
{
samplingContext = new SamplingContext(operationName, carrier.NetworkAddress, carrier.EntryEndpoint,
carrier.ParentEndpoint);
}
else
{
samplingContext = new SamplingContext(operationName, default(StringOrIntValue), default(StringOrIntValue),
default(StringOrIntValue));
}
var sampler = _samplerChainBuilder.Build();
return(sampler(samplingContext));
}
public bool Invoke(SamplingContext samplingContext, Sampler next)
{
return(next(samplingContext));
}
