72 lines
2.9 KiB
Go
72 lines
2.9 KiB
Go
package storage
|
|
|
|
import (
|
|
"github.com/chihaya/chihaya/bittorrent"
|
|
"github.com/chihaya/chihaya/stopper"
|
|
)
|
|
|
|
// ErrResourceDoesNotExist is the error returned by all delete methods in the
|
|
// store if the requested resource does not exist.
|
|
var ErrResourceDoesNotExist = bittorrent.ClientError("resource does not exist")
|
|
|
|
// PeerStore is an interface that abstracts the interactions of storing and
|
|
// manipulating Peers such that it can be implemented for various data stores.
|
|
type PeerStore interface {
|
|
// PutSeeder adds a Seeder to the Swarm identified by the provided
|
|
// infoHash.
|
|
PutSeeder(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
|
|
|
|
// DeleteSeeder removes a Seeder from the Swarm identified by the
|
|
// provided infoHash.
|
|
//
|
|
// If the Swarm or Peer does not exist, this function should return
|
|
// ErrResourceDoesNotExist.
|
|
DeleteSeeder(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
|
|
|
|
// PutLeecher adds a Leecher to the Swarm identified by the provided
|
|
// infoHash.
|
|
PutLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
|
|
|
|
// DeleteLeecher removes a Leecher from the Swarm identified by the
|
|
// provided infoHash.
|
|
//
|
|
// If the Swarm or Peer does not exist, this function should return
|
|
// ErrResourceDoesNotExist.
|
|
DeleteLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
|
|
|
|
// GraduateLeecher promotes a Leecher to a Seeder in the Swarm
|
|
// identified by the provided infoHash.
|
|
//
|
|
// If the given Peer is not present as a Leecher, add the Peer as a
|
|
// Seeder and return no error.
|
|
GraduateLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
|
|
|
|
// AnnouncePeers is a best effort attempt to return Peers from the Swarm
|
|
// identified by the provided infoHash. The returned Peers are required
|
|
// to be either all IPv4 or all IPv6.
|
|
//
|
|
// The returned Peers should strive be:
|
|
// - as close to length equal to numWant as possible without going over
|
|
// - all IPv4 or all IPv6 depending on the provided peer
|
|
// - if seeder is true, should ideally return more leechers than seeders
|
|
// - if seeder is false, should ideally return more seeders than
|
|
// leechers
|
|
//
|
|
// Returns ErrResourceDoesNotExist if the provided infoHash is not tracked.
|
|
AnnouncePeers(infoHash bittorrent.InfoHash, seeder bool, numWant int, p bittorrent.Peer) (peers []bittorrent.Peer, err error)
|
|
|
|
// ScrapeSwarm returns information required to answer a scrape request
|
|
// about a swarm identified by the given infohash.
|
|
// The v6 flag indicates whether or not the IPv6 swarm should be
|
|
// scraped.
|
|
// The Complete and Incomplete fields of the Scrape must be filled,
|
|
// filling the Snatches field is optional.
|
|
// If the infohash is unknown to the PeerStore, an empty Scrape is
|
|
// returned.
|
|
ScrapeSwarm(infoHash bittorrent.InfoHash, v6 bool) bittorrent.Scrape
|
|
|
|
// Stopper is an interface that expects a Stop method to stop the
|
|
// PeerStore.
|
|
// For more details see the documentation in the stopper package.
|
|
stopper.Stopper
|
|
}
|