middleware

Aug 25, 2017

Changes in this version

+ func NewTracer(opts ...TracerOption) goa.Middleware

+ type Sampler interface

+ Sample func() bool

+ func NewAdaptiveSampler(maxSamplingRate, sampleSize int) Sampler

+ func NewFixedSampler(samplingPercent int) Sampler

+ type TracerOption func(*tracerOptions) *tracerOptions

+ func MaxSamplingRate(r int) TracerOption

+ func SampleSize(s int) TracerOption

+ func SamplingPercent(p int) TracerOption

+ func SpanIDFunc(f IDFunc) TracerOption

+ func TraceIDFunc(f IDFunc) TracerOption

Apr 17, 2017

Changes in this version

+ var ParentSpanIDHeader = "ParentSpanID"

+ var TraceIDHeader = "TraceID"

+ func ContextParentSpanID(ctx context.Context) string

+ func ContextSpanID(ctx context.Context) string

+ func ContextTraceID(ctx context.Context) string

+ func TraceDoer(doer client.Doer) client.Doer

+ func Tracer(sampleRate int, spanIDFunc, traceIDFunc IDFunc) goa.Middleware

+ func WithTrace(ctx context.Context, traceID, spanID, parentID string) context.Context

+ type IDFunc func() string

Aug 2, 2016

Changes in this version

+ const DefaultRequestIDLengthLimit

+ const RequestIDHeader

+ func ContextRequestID(ctx context.Context) (reqID string)

+ func ErrorHandler(service *goa.Service, verbose bool) goa.Middleware

+ func LogRequest(verbose bool) goa.Middleware

+ func LogResponse() goa.Middleware

+ func Recover() goa.Middleware

+ func RequestID() goa.Middleware

+ func RequestIDWithHeader(requestIDHeader string) goa.Middleware

+ func RequestIDWithHeaderAndLengthLimit(requestIDHeader string, lengthLimit int) goa.Middleware

+ func RequireHeader(service *goa.Service, pathPattern *regexp.Regexp, requiredHeaderName string, ...) goa.Middleware

+ func Timeout(timeout time.Duration) goa.Middleware