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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2025-06-27 00:21:15 +02:00

Unexport the simple and batch SpanProcessors (#1638)

* Unexport the simple and batch SpanProcessors

* Update changes in changelog
This commit is contained in:
Tyler Yahn
2021-03-05 16:08:29 +00:00
committed by GitHub
parent 992837f195
commit 62e2a0f766
4 changed files with 32 additions and 30 deletions

View File

@ -57,9 +57,9 @@ type BatchSpanProcessorOptions struct {
BlockOnQueueFull bool
}
// BatchSpanProcessor is a SpanProcessor that batches asynchronously-received
// batchSpanProcessor is a SpanProcessor that batches asynchronously-received
// SpanSnapshots and sends them to a trace.Exporter when complete.
type BatchSpanProcessor struct {
type batchSpanProcessor struct {
e export.SpanExporter
o BatchSpanProcessorOptions
@ -74,16 +74,13 @@ type BatchSpanProcessor struct {
stopCh chan struct{}
}
var _ SpanProcessor = (*BatchSpanProcessor)(nil)
var _ SpanProcessor = (*batchSpanProcessor)(nil)
// NewBatchSpanProcessor creates a new BatchSpanProcessor that will send
// SpanSnapshot batches to the exporters with the supplied options.
//
// The returned BatchSpanProcessor needs to be registered with the SDK using
// the RegisterSpanProcessor method for it to process spans.
// NewBatchSpanProcessor creates a new SpanProcessor that will send completed
// span batches to the exporter with the supplied options.
//
// If the exporter is nil, the span processor will preform no action.
func NewBatchSpanProcessor(exporter export.SpanExporter, options ...BatchSpanProcessorOption) *BatchSpanProcessor {
func NewBatchSpanProcessor(exporter export.SpanExporter, options ...BatchSpanProcessorOption) SpanProcessor {
o := BatchSpanProcessorOptions{
BatchTimeout: DefaultBatchTimeout,
MaxQueueSize: DefaultMaxQueueSize,
@ -92,7 +89,7 @@ func NewBatchSpanProcessor(exporter export.SpanExporter, options ...BatchSpanPro
for _, opt := range options {
opt(&o)
}
bsp := &BatchSpanProcessor{
bsp := &batchSpanProcessor{
e: exporter,
o: o,
batch: make([]*export.SpanSnapshot, 0, o.MaxExportBatchSize),
@ -112,10 +109,10 @@ func NewBatchSpanProcessor(exporter export.SpanExporter, options ...BatchSpanPro
}
// OnStart method does nothing.
func (bsp *BatchSpanProcessor) OnStart(parent context.Context, s ReadWriteSpan) {}
func (bsp *batchSpanProcessor) OnStart(parent context.Context, s ReadWriteSpan) {}
// OnEnd method enqueues a ReadOnlySpan for later processing.
func (bsp *BatchSpanProcessor) OnEnd(s ReadOnlySpan) {
func (bsp *batchSpanProcessor) OnEnd(s ReadOnlySpan) {
// Do not enqueue spans if we are just going to drop them.
if bsp.e == nil {
return
@ -125,7 +122,7 @@ func (bsp *BatchSpanProcessor) OnEnd(s ReadOnlySpan) {
// Shutdown flushes the queue and waits until all spans are processed.
// It only executes once. Subsequent call does nothing.
func (bsp *BatchSpanProcessor) Shutdown(ctx context.Context) error {
func (bsp *batchSpanProcessor) Shutdown(ctx context.Context) error {
var err error
bsp.stopOnce.Do(func() {
wait := make(chan struct{})
@ -150,7 +147,7 @@ func (bsp *BatchSpanProcessor) Shutdown(ctx context.Context) error {
}
// ForceFlush exports all ended spans that have not yet been exported.
func (bsp *BatchSpanProcessor) ForceFlush() {
func (bsp *batchSpanProcessor) ForceFlush() {
bsp.exportSpans()
}
@ -179,7 +176,7 @@ func WithBlocking() BatchSpanProcessorOption {
}
// exportSpans is a subroutine of processing and draining the queue.
func (bsp *BatchSpanProcessor) exportSpans() {
func (bsp *batchSpanProcessor) exportSpans() {
bsp.timer.Reset(bsp.o.BatchTimeout)
bsp.batchMutex.Lock()
@ -196,7 +193,7 @@ func (bsp *BatchSpanProcessor) exportSpans() {
// processQueue removes spans from the `queue` channel until processor
// is shut down. It calls the exporter in batches of up to MaxExportBatchSize
// waiting up to BatchTimeout to form a batch.
func (bsp *BatchSpanProcessor) processQueue() {
func (bsp *batchSpanProcessor) processQueue() {
defer bsp.timer.Stop()
for {
@ -222,7 +219,7 @@ func (bsp *BatchSpanProcessor) processQueue() {
// drainQueue awaits the any caller that had added to bsp.stopWait
// to finish the enqueue, then exports the final batch.
func (bsp *BatchSpanProcessor) drainQueue() {
func (bsp *batchSpanProcessor) drainQueue() {
for {
select {
case sd := <-bsp.queue:
@ -245,7 +242,7 @@ func (bsp *BatchSpanProcessor) drainQueue() {
}
}
func (bsp *BatchSpanProcessor) enqueue(sd *export.SpanSnapshot) {
func (bsp *batchSpanProcessor) enqueue(sd *export.SpanSnapshot) {
if !sd.SpanContext.IsSampled() {
return
}