transport

Documentation

Index

• Constants
• func AdaptGrpcRoundTripperToHTTPRoundTripper(r GrpcRoundTripper) http.RoundTripper
• func NewHandler(cfg HandlerConfig, roundTripper http.RoundTripper, log log.Logger, ...) http.Handler
• type GrpcRoundTripper
• type Handler
  • func (f *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type HandlerConfig
  • func (cfg *HandlerConfig) RegisterFlags(f *flag.FlagSet)

Constants

const (
	// StatusClientClosedRequest is the status code for when a client request cancellation of an http request
	StatusClientClosedRequest = 499
)

Functions

func AdaptGrpcRoundTripperToHTTPRoundTripper

func AdaptGrpcRoundTripperToHTTPRoundTripper(r GrpcRoundTripper) http.RoundTripper

func NewHandler

func NewHandler(cfg HandlerConfig, roundTripper http.RoundTripper, log log.Logger, reg prometheus.Registerer) http.Handler

New creates a new frontend handler.

Types

type GrpcRoundTripper

type GrpcRoundTripper interface {
	RoundTripGRPC(context.Context, *httpgrpc.HTTPRequest) (*httpgrpc.HTTPResponse, error)
}

GrpcRoundTripper is similar to http.RoundTripper, but works with HTTP requests converted to protobuf messages.

type Handler

type Handler struct {
	// contains filtered or unexported fields
}

Handler accepts queries and forwards them to RoundTripper. It can log slow queries, but all other logic is inside the RoundTripper.

func (*Handler) ServeHTTP

func (f *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type HandlerConfig

type HandlerConfig struct {
	LogQueriesLongerThan time.Duration `yaml:"log_queries_longer_than"`
	MaxBodySize          int64         `yaml:"max_body_size"`
	QueryStatsEnabled    bool          `yaml:"query_stats_enabled"`
}

Config for a Handler.

func (*HandlerConfig) RegisterFlags

func (cfg *HandlerConfig) RegisterFlags(f *flag.FlagSet)