providers

package
v0.11.3 Latest Latest
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Published: Apr 9, 2021 License: MIT Imports: 14 Imported by: 0

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Index

Constants

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const ProvidersKeyPrefix = "/providers/"

ProvidersKeyPrefix is the prefix/namespace for ALL provider record keys stored in the data store.

Variables

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var ProvideValidity = time.Hour * 24

ProvideValidity is the default time that a provider record should last

Functions

This section is empty.

Types

type Option

type Option func(*ProviderManager) error

Option is a function that sets a provider manager option.

func Cache

func Cache(c lru.LRUCache) Option

Cache sets the LRU cache implementation. Defaults to a simple LRU cache.

func CleanupInterval

func CleanupInterval(d time.Duration) Option

CleanupInterval sets the time between GC runs. Defaults to 1h.

type ProviderManager

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

ProviderManager adds and pulls providers out of the datastore, caching them in between

func NewProviderManager

func NewProviderManager(ctx context.Context, local peer.ID, dstore ds.Batching, opts ...Option) (*ProviderManager, error)

NewProviderManager constructor

func (*ProviderManager) AddProvider

func (pm *ProviderManager) AddProvider(ctx context.Context, k []byte, val peer.ID)

AddProvider adds a provider

func (*ProviderManager) GetProviders

func (pm *ProviderManager) GetProviders(ctx context.Context, k []byte) []peer.ID

GetProviders returns the set of providers for the given key. This method _does not_ copy the set. Do not modify it.

func (*ProviderManager) Process

func (pm *ProviderManager) Process() goprocess.Process

Process returns the ProviderManager process

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