fetcher

Documentation

Overview

Package fetcher implements path segment fetching, verification and combination logic for SCIOND.

Index

• Constants
• func Filter(paths []*combinator.Path, policy Policy) []*combinator.Path
• func NewRequestSplitter(localIA addr.IA, inspector infra.ASInspector) segfetcher.Splitter
• type Fetcher
  • func NewFetcher(messenger infra.Messenger, pathDB pathdb.PathDB, trustStore TrustStore, ...) *Fetcher
  • func (f *Fetcher) GetPaths(ctx context.Context, req *sciond.PathReq, earlyReplyInterval time.Duration, ...) (*sciond.PathReply, error)
• type Policy
• type TrustStore

Constants

const (
	DefaultMinWorkerLifetime = 10 * time.Second
)

Functions

func Filter

func Filter(paths []*combinator.Path, policy Policy) []*combinator.Path

Filter filters the given paths with the given policy. Note that this function might change the order of elements.

func NewRequestSplitter

func NewRequestSplitter(localIA addr.IA, inspector infra.ASInspector) segfetcher.Splitter

NewRequestSplitter creates a request splitter for the given local IA. The AS inspector is used to check whether an IA is core or not.

Types

type Fetcher

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

func NewFetcher

func NewFetcher(messenger infra.Messenger, pathDB pathdb.PathDB, trustStore TrustStore,
	revCache revcache.RevCache, cfg config.SDConfig, topoProvider itopo.ProviderI,
	logger log.Logger) *Fetcher

func (*Fetcher) GetPaths

func (f *Fetcher) GetPaths(ctx context.Context, req *sciond.PathReq,
	earlyReplyInterval time.Duration, logger log.Logger) (*sciond.PathReply, error)

type Policy

type Policy interface {
	Filter(pathpol.PathSet) pathpol.PathSet
}

Policy is a filter on path sets.

type TrustStore

type TrustStore interface {
	infra.VerificationFactory
	infra.ASInspector
}