trace

Jun 21, 2021

Changes in this version

+ const GrpcFormat

+ const HttpFormat

+ var ErrInvalidCarrier = errors.New("invalid carrier")

+ func StartClientSpan(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace)

+ func StartServerSpan(ctx context.Context, carrier Carrier, serviceName, operationName string) (context.Context, tracespec.Trace)

+ type Carrier interface

+ Get func(key string) string

+ Set func(key, value string)

+ func Extract(format, carrier interface{}) (Carrier, error)

+ func Inject(format, carrier interface{}) (Carrier, error)

+ type Propagator interface

+ Extract func(carrier interface{}) (Carrier, error)

+ Inject func(carrier interface{}) (Carrier, error)

+ type Span struct

+ func (s *Span) Finish()

+ func (s *Span) Follow(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace)

+ func (s *Span) Fork(ctx context.Context, serviceName, operationName string) (context.Context, tracespec.Trace)

+ func (s *Span) SpanId() string

+ func (s *Span) TraceId() string

+ func (s *Span) Visit(fn func(key, val string) bool)