//Push finished spans into the reservoir. When the root span finishes, log them only if they're sampled.
public void SpanFinished(LambdaSpan span)
{
lock (_spanReservoirLock)
{
_spanReservoir.AddFirst(span);
}
}
private IDictionary <string, object> CreateUserAttributes(LambdaSpan span)
{
var attributes = new Dictionary <string, object>();
var errorKind = span.GetSpanLogEntry("error.kind");
if (errorKind != null)
{
attributes.Add("error.kind", errorKind.Value);
}
return(attributes);
}
public ISpan StartManual()
{
LambdaTracer tracer = LambdaTracer.Instance as LambdaTracer;
ISpan activeSpan = tracer.ActiveSpan;
ISpanContext parentSpanContext = null;
if (!_ignoreActiveSpan && _parent == null && activeSpan != null)
{
AddReference(References.ChildOf, activeSpan.Context);
parentSpanContext = activeSpan.Context;
}
else if (_parent != null)
{
parentSpanContext = _parent;
}
LambdaSpan parentSpan = null;
if (parentSpanContext is LambdaSpanContext)
{
parentSpan = ((LambdaSpanContext)parentSpanContext).GetSpan();
}
var guid = GuidGenerator.GenerateNewRelicGuid();
LambdaSpan newSpan;
if (parentSpan != null)
{
newSpan = new LambdaSpan(_operationName, DateTimeOffset.UtcNow, _tags, parentSpan, guid);
}
else
{
var rootSpan = new LambdaRootSpan(_operationName, DateTimeOffset.UtcNow, _tags, guid, new DataCollector(_logger, tracer.DebugMode), new TransactionState(), new PrioritySamplingState(), new DistributedTracingState());
if (parentSpanContext is LambdaPayloadContext payloadContext)
{
rootSpan.ApplyLambdaPayloadContext(payloadContext);
}
else
{
rootSpan.ApplyAdaptiveSampling(tracer.AdaptiveSampler);
}
newSpan = rootSpan;
}
LambdaSpanContext spanContext = new LambdaSpanContext(newSpan);
newSpan.SetContext(spanContext);
return(newSpan);
}
internal void RecordErrors(LambdaSpan span)
{
var errorEventLogEntry = span.GetSpanLogEntry("event");
if (errorEventLogEntry == null || !"error".Equals(errorEventLogEntry.Value))
{
return;
}
var errorObjectLogEntry = span.GetSpanLogEntry("error.object");
if (errorObjectLogEntry == null)
{
return;
}
var errorMessageLogEntry = span.GetSpanLogEntry("message");
var errorObjectIsThrowable = errorObjectLogEntry.Value is Exception;
if (errorMessageLogEntry == null && !errorObjectIsThrowable)
{
return;
}
var errorClass = errorObjectLogEntry.Value.GetType().Name;
var errorMessage = GetErrorMessage(errorMessageLogEntry, errorObjectLogEntry);
var userAttributes = CreateUserAttributes(span);
var txnState = span.RootSpan.TransactionState;
var errorEvent = new ErrorEventBuilder()
.SetErrorClass(errorClass)
.SetErrorMessage(errorMessage)
.SetTransactionDuration(txnState.Duration)
.SetTimestamp(errorObjectLogEntry.Timestamp)
.SetUserAttributes(userAttributes)
.SetTransactionName(txnState.TransactionName)
.SetTransactionGuid(txnState.TransactionId)
.SetDistributedTraceIntrinsics(span.Intrinsics)
.CreateError();
_errorEvents.Add(errorEvent);
LogEntry errorStack = span.GetSpanLogEntry("stack");
if (errorStack == null && !errorObjectIsThrowable)
{
return;
}
string stackTrace = GetStackTrace(errorStack, errorObjectLogEntry);
var errorTrace = new ErrorTraceBuilder()
.SetErrorMessage(errorMessage)
.SetErrorType(errorClass)
.SetTransactionGuid(txnState.TransactionId)
.SetTransactionName(txnState.TransactionName)
.SetDistributedTraceIntrinsics(span.Intrinsics)
.SetUserAttributes(userAttributes)
.SetTimestamp(errorObjectLogEntry.Timestamp)
.SetStackTrace(stackTrace)
.CreateErrorTrace();
_errorTraces.Add(errorTrace);
}
public LambdaSpan(string operationName, DateTimeOffset timestamp, IDictionary <string, object> tags, LambdaSpan parentSpan, string guid)
{
_type = "Span";
_operationName = operationName;
TimeStamp = timestamp;
Tags = tags;
_guid = guid;
SpanLog = new Dictionary <string, LogEntry>();
if (parentSpan != null)
{
_parentId = parentSpan.Guid();
RootSpan = parentSpan.RootSpan;
}
else
{
//This is the root span
_parentId = null;
RootSpan = (LambdaRootSpan)this;
}
}
public LambdaSpanContext(LambdaSpan span)
{
_span = span;
}