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Code Issues Releases Activity

Redefine ExportSpans of SpanExporter with ReadOnlySpan (#1873)

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* Remove TODO from ReadOnlySpan interface

* Remove the Tracer method from the ReadOnlySpan

This is not required by the specification nor the use of this interface.

* Remove IsRecording from the ReadOnlySpan interface

A read-only span value does not need to know if updates to it will be
recorded. It by definition cannot be updated so no point in
communicating if an update would be recorded.

* Document the ReadOnlySpan interface

* Rename messageEvent* to just event*

* Move the SpanSnapshot into its own file

* Update ReadOnlySpan interface with meta info methods

Add the DroppedAttributes, DroppedLinks, DroppedEvents, and
ChildSpanCount methods to the interface to return additional information
about the span not specified by the specification, but that we are
already providing.

* Add SpanStub to the sdk/trace/tracetest pkg

* Redefine ExportSpans of SpanExporter with ReadOnlySpan

* Rename SpanSnapshot to snapshot and purge docs

* Remove Snapshot method from snapshot type

This method is a hold-over from previous version of the ReadOnlySpan
interface is not needed.

* Update CHANGELOG with changes
This commit is contained in:
Tyler Yahn
2021-05-04 23:45:13 +00:00
committed by GitHub
parent c99d5e999c
commit cbcd4b1a3d
34 changed files with 1046 additions and 675 deletions
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16
sdk/trace/batch_span_processor.go
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@ -63,15 +63,15 @@ type BatchSpanProcessorOptions struct {
}
// batchSpanProcessor is a SpanProcessor that batches asynchronously-received
// SpanSnapshots and sends them to a trace.Exporter when complete.
// spans and sends them to a trace.Exporter when complete.
type batchSpanProcessor struct {
e SpanExporter
o BatchSpanProcessorOptions
queue chan *SpanSnapshot
queue chan ReadOnlySpan
dropped uint32
batch []*SpanSnapshot
batch []ReadOnlySpan
batchMutex sync.Mutex
timer *time.Timer
stopWait sync.WaitGroup
@ -98,9 +98,9 @@ func NewBatchSpanProcessor(exporter SpanExporter, options ...BatchSpanProcessorO
bsp := &batchSpanProcessor{
e: exporter,
o: o,
batch: make([]*SpanSnapshot, 0, o.MaxExportBatchSize),
batch: make([]ReadOnlySpan, 0, o.MaxExportBatchSize),
timer: time.NewTimer(o.BatchTimeout),
queue: make(chan *SpanSnapshot, o.MaxQueueSize),
queue: make(chan ReadOnlySpan, o.MaxQueueSize),
stopCh: make(chan struct{}),
}
@ -123,7 +123,7 @@ func (bsp *batchSpanProcessor) OnEnd(s ReadOnlySpan) {
if bsp.e == nil {
return
}
bsp.enqueue(s.Snapshot())
bsp.enqueue(s)
}
// Shutdown flushes the queue and waits until all spans are processed.
@ -294,8 +294,8 @@ func (bsp *batchSpanProcessor) drainQueue() {
}
}
func (bsp *batchSpanProcessor) enqueue(sd *SpanSnapshot) {
if !sd.SpanContext.IsSampled() {
func (bsp *batchSpanProcessor) enqueue(sd ReadOnlySpan) {
if !sd.SpanContext().IsSampled() {
return
}