140 lines
2.6 KiB
Go
140 lines
2.6 KiB
Go
package memory
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import (
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"context"
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"time"
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"go.unistack.org/micro/v3/tracer"
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"go.unistack.org/micro/v3/util/id"
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)
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var _ tracer.Tracer = (*Tracer)(nil)
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type Tracer struct {
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opts tracer.Options
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spans []tracer.Span
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}
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func (t *Tracer) Spans() []tracer.Span {
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return t.spans
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}
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func (t *Tracer) Start(ctx context.Context, name string, opts ...tracer.SpanOption) (context.Context, tracer.Span) {
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options := tracer.NewSpanOptions(opts...)
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span := &Span{
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name: name,
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ctx: ctx,
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tracer: t,
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kind: options.Kind,
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startTime: time.Now(),
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}
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span.spanID.s, _ = id.New()
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span.traceID.s, _ = id.New()
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if span.ctx == nil {
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span.ctx = context.Background()
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}
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t.spans = append(t.spans, span)
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return tracer.NewSpanContext(ctx, span), span
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}
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func (t *Tracer) Flush(_ context.Context) error {
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return nil
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}
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func (t *Tracer) Init(opts ...tracer.Option) error {
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for _, o := range opts {
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o(&t.opts)
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}
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return nil
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}
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func (t *Tracer) Name() string {
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return t.opts.Name
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}
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type noopStringer struct {
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s string
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}
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func (s noopStringer) String() string {
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return s.s
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}
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type Span struct {
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ctx context.Context
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tracer tracer.Tracer
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name string
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statusMsg string
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startTime time.Time
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finishTime time.Time
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traceID noopStringer
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spanID noopStringer
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events []*Event
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labels []interface{}
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logs []interface{}
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kind tracer.SpanKind
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status tracer.SpanStatus
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}
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func (s *Span) Finish(_ ...tracer.SpanOption) {
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s.finishTime = time.Now()
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}
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func (s *Span) Context() context.Context {
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return s.ctx
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}
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func (s *Span) Tracer() tracer.Tracer {
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return s.tracer
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}
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type Event struct {
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name string
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labels []interface{}
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}
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func (s *Span) AddEvent(name string, opts ...tracer.EventOption) {
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options := tracer.NewEventOptions(opts...)
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s.events = append(s.events, &Event{name: name, labels: options.Labels})
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}
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func (s *Span) SetName(name string) {
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s.name = name
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}
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func (s *Span) AddLogs(kv ...interface{}) {
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s.logs = append(s.logs, kv...)
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}
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func (s *Span) AddLabels(kv ...interface{}) {
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s.labels = append(s.labels, kv...)
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}
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func (s *Span) Kind() tracer.SpanKind {
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return s.kind
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}
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func (s *Span) TraceID() string {
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return s.traceID.String()
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}
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func (s *Span) SpanID() string {
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return s.spanID.String()
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}
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func (s *Span) Status() (tracer.SpanStatus, string) {
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return s.status, s.statusMsg
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}
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func (s *Span) SetStatus(st tracer.SpanStatus, msg string) {
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s.status = st
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s.statusMsg = msg
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}
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// NewTracer returns new memory tracer
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func NewTracer(opts ...tracer.Option) *Tracer {
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return &Tracer{
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opts: tracer.NewOptions(opts...),
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}
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}
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