diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go')
-rw-r--r-- | vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go | 50 |
1 files changed, 20 insertions, 30 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go b/vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go index f8770fff7..554111bb4 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go +++ b/vendor/go.opentelemetry.io/otel/sdk/trace/simple_span_processor.go @@ -1,16 +1,5 @@ // Copyright The OpenTelemetry Authors -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. +// SPDX-License-Identifier: Apache-2.0 package trace // import "go.opentelemetry.io/otel/sdk/trace" @@ -36,10 +25,10 @@ var _ SpanProcessor = (*simpleSpanProcessor)(nil) // send completed spans to the exporter immediately. // // This SpanProcessor is not recommended for production use. The synchronous -// nature of this SpanProcessor make it good for testing, debugging, or -// showing examples of other feature, but it will be slow and have a high -// computation resource usage overhead. The BatchSpanProcessor is recommended -// for production use instead. +// nature of this SpanProcessor makes it good for testing, debugging, or showing +// examples of other features, but it will be slow and have a high computation +// resource usage overhead. The BatchSpanProcessor is recommended for production +// use instead. func NewSimpleSpanProcessor(exporter SpanExporter) SpanProcessor { ssp := &simpleSpanProcessor{ exporter: exporter, @@ -80,10 +69,10 @@ func (ssp *simpleSpanProcessor) Shutdown(ctx context.Context) error { // // A closure is used to keep reference to the exporter and then the // field is zeroed. This ensures the simpleSpanProcessor is shut down - // before the exporter. This order is important as it avoids a - // potential deadlock. If the exporter shut down operation generates a - // span, that span would need to be exported. Meaning, OnEnd would be - // called and try acquiring the lock that is held here. + // before the exporter. This order is important as it avoids a potential + // deadlock. If the exporter shut down operation generates a span, that + // span would need to be exported. Meaning, OnEnd would be called and + // try acquiring the lock that is held here. ssp.exporterMu.Lock() done, shutdown := stopFunc(ssp.exporter) ssp.exporter = nil @@ -95,15 +84,15 @@ func (ssp *simpleSpanProcessor) Shutdown(ctx context.Context) error { select { case err = <-done: case <-ctx.Done(): - // It is possible for the exporter to have immediately shut down - // and the context to be done simultaneously. In that case this - // outer select statement will randomly choose a case. This will - // result in a different returned error for similar scenarios. - // Instead, double check if the exporter shut down at the same - // time and return that error if so. This will ensure consistency - // as well as ensure the caller knows the exporter shut down - // successfully (they can already determine if the deadline is - // expired given they passed the context). + // It is possible for the exporter to have immediately shut down and + // the context to be done simultaneously. In that case this outer + // select statement will randomly choose a case. This will result in + // a different returned error for similar scenarios. Instead, double + // check if the exporter shut down at the same time and return that + // error if so. This will ensure consistency as well as ensure + // the caller knows the exporter shut down successfully (they can + // already determine if the deadline is expired given they passed + // the context). select { case err = <-done: default: @@ -119,7 +108,8 @@ func (ssp *simpleSpanProcessor) ForceFlush(context.Context) error { return nil } -// MarshalLog is the marshaling function used by the logging system to represent this Span Processor. +// MarshalLog is the marshaling function used by the logging system to represent +// this Span Processor. func (ssp *simpleSpanProcessor) MarshalLog() interface{} { return struct { Type string |