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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package xrayconfig
// Pared down version of go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlptracetest/collector.go
// for end to end testing
import (
"sort"
collectortracepb "go.opentelemetry.io/proto/otlp/collector/trace/v1"
commonpb "go.opentelemetry.io/proto/otlp/common/v1"
resourcepb "go.opentelemetry.io/proto/otlp/resource/v1"
tracepb "go.opentelemetry.io/proto/otlp/trace/v1"
)
// SpansStorage stores the spans. Mock collectors can use it to
// store spans they have received.
type SpansStorage struct {
rsm map[string]*tracepb.ResourceSpans
spanCount int
}
// NewSpansStorage creates a new spans storage.
func NewSpansStorage() SpansStorage {
return SpansStorage{
rsm: make(map[string]*tracepb.ResourceSpans),
}
}
// AddSpans adds spans to the spans storage.
func (s *SpansStorage) AddSpans(request *collectortracepb.ExportTraceServiceRequest) {
for _, rs := range request.GetResourceSpans() {
rstr := resourceString(rs.Resource)
if existingRs, ok := s.rsm[rstr]; !ok {
s.rsm[rstr] = rs
// TODO (rghetia): Add support for library Info.
if len(rs.ScopeSpans) == 0 {
rs.ScopeSpans = []*tracepb.ScopeSpans{
{
Spans: []*tracepb.Span{},
},
}
}
s.spanCount += len(rs.ScopeSpans[0].Spans)
} else {
if len(rs.ScopeSpans) > 0 {
newSpans := rs.ScopeSpans[0].GetSpans()
existingRs.ScopeSpans[0].Spans = append(existingRs.ScopeSpans[0].Spans, newSpans...)
s.spanCount += len(newSpans)
}
}
}
}
// GetSpans returns the stored spans.
func (s *SpansStorage) GetSpans() []*tracepb.Span {
spans := make([]*tracepb.Span, 0, s.spanCount)
for _, rs := range s.rsm {
spans = append(spans, rs.ScopeSpans[0].Spans...)
}
return spans
}
// GetResourceSpans returns the stored resource spans.
func (s *SpansStorage) GetResourceSpans() []*tracepb.ResourceSpans {
rss := make([]*tracepb.ResourceSpans, 0, len(s.rsm))
for _, rs := range s.rsm {
rss = append(rss, rs)
}
return rss
}
func resourceString(res *resourcepb.Resource) string {
sAttrs := sortedAttributes(res.GetAttributes())
rstr := ""
for _, attr := range sAttrs {
rstr = rstr + attr.String()
}
return rstr
}
func sortedAttributes(attrs []*commonpb.KeyValue) []*commonpb.KeyValue {
sort.Slice(attrs[:], func(i, j int) bool {
return attrs[i].Key < attrs[j].Key
})
return attrs
}
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