95 lines
1.6 KiB
Go
95 lines
1.6 KiB
Go
package tracer
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import (
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"context"
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)
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var _ Tracer = (*noopTracer)(nil)
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type noopTracer struct {
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opts Options
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}
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func (t *noopTracer) Start(ctx context.Context, name string, opts ...SpanOption) (context.Context, Span) {
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span := &noopSpan{
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name: name,
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ctx: ctx,
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tracer: t,
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opts: NewSpanOptions(opts...),
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}
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if span.ctx == nil {
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span.ctx = context.Background()
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}
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return NewSpanContext(ctx, span), span
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}
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func (t *noopTracer) Flush(ctx context.Context) error {
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return nil
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}
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func (t *noopTracer) Init(opts ...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 *noopTracer) Name() string {
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return t.opts.Name
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}
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type noopSpan struct {
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ctx context.Context
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tracer Tracer
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name string
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opts SpanOptions
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status SpanStatus
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statusMsg string
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}
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func (s *noopSpan) Finish(opts ...SpanOption) {
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}
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func (s *noopSpan) Context() context.Context {
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return s.ctx
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}
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func (s *noopSpan) Tracer() Tracer {
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return s.tracer
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}
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func (s *noopSpan) AddEvent(name string, opts ...EventOption) {
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}
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func (s *noopSpan) SetName(name string) {
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s.name = name
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}
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func (s *noopSpan) SetLabels(labels ...interface{}) {
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s.opts.Labels = labels
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}
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func (s *noopSpan) AddLabels(labels ...interface{}) {
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s.opts.Labels = append(s.opts.Labels, labels...)
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}
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func (s *noopSpan) Kind() SpanKind {
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return s.opts.Kind
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}
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func (s *noopSpan) Status() (SpanStatus, string) {
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return s.status, s.statusMsg
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}
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func (s *noopSpan) SetStatus(st 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 ...Option) Tracer {
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return &noopTracer{
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opts: NewOptions(opts...),
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}
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}
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