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Merge pull request #449 from jzelinskie/rm-memorybysubnet

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storage: remove memorybysubnet
This commit is contained in:
Jimmy Zelinskie 2019-02-14 11:10:11 -05:00 committed by GitHub
commit 68b8edfdd5
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 0 additions and 786 deletions
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1
cmd/chihaya/config.go
View file

@ -23,7 +23,6 @@ import (
import (
// Imports to register storage drivers.
_ "github.com/chihaya/chihaya/storage/memory"
_ "github.com/chihaya/chihaya/storage/memorybysubnet"
_ "github.com/chihaya/chihaya/storage/redis"
)

732
storage/memorybysubnet/peer_store.go
View file

@ -1,732 +0,0 @@
// Package memorybysubnet implements the storage interface for a Chihaya
// BitTorrent tracker keeping peer data in memory organized by a pre-configured
// subnet mask.
package memorybysubnet
import (
"encoding/binary"
"net"
"runtime"
"sync"
"time"
yaml "gopkg.in/yaml.v2"
"github.com/chihaya/chihaya/bittorrent"
"github.com/chihaya/chihaya/pkg/log"
"github.com/chihaya/chihaya/pkg/stop"
"github.com/chihaya/chihaya/pkg/timecache"
"github.com/chihaya/chihaya/storage"
)
// Name is the name by which this peer store is registered with Chihaya.
const Name = "memorybysubnet"
// Default config constants.
const (
defaultShardCount = 1024
defaultPrometheusReportingInterval = time.Second * 1
defaultGarbageCollectionInterval = time.Minute * 3
defaultPeerLifetime = time.Minute * 30
)
func init() {
// Register the storage driver.
storage.RegisterDriver(Name, driver{})
}
type driver struct{}
func (d driver) NewPeerStore(icfg interface{}) (storage.PeerStore, error) {
// Marshal the config back into bytes.
bytes, err := yaml.Marshal(icfg)
if err != nil {
return nil, err
}
// Unmarshal the bytes into the proper config type.
var cfg Config
err = yaml.Unmarshal(bytes, &cfg)
if err != nil {
return nil, err
}
return New(cfg)
}
// Config holds the configuration of a memory PeerStore.
type Config struct {
GarbageCollectionInterval time.Duration `yaml:"gc_interval"`
PrometheusReportingInterval time.Duration `yaml:"prometheus_reporting_interval"`
PeerLifetime time.Duration `yaml:"peer_lifetime"`
ShardCount int `yaml:"shard_count"`
PreferredIPv4SubnetMaskBitsSet int `yaml:"preferred_ipv4_subnet_mask_bits_set"`
PreferredIPv6SubnetMaskBitsSet int `yaml:"preferred_ipv6_subnet_mask_bits_set"`
}
// LogFields renders the current config as a set of Logrus fields.
func (cfg Config) LogFields() log.Fields {
return log.Fields{
"name": Name,
"gcInterval": cfg.GarbageCollectionInterval,
"promReportInterval": cfg.PrometheusReportingInterval,
"peerLifetime": cfg.PeerLifetime,
"shardCount": cfg.ShardCount,
"prefIPv4Mask": cfg.PreferredIPv4SubnetMaskBitsSet,
"prefIPv6Mask": cfg.PreferredIPv6SubnetMaskBitsSet,
}
}
// Validate sanity checks values set in a config and returns a new config with
// default values replacing anything that is invalid.
//
// This function warns to the logger when a value is changed.
func (cfg Config) Validate() Config {
validcfg := cfg
if cfg.ShardCount <= 0 {
validcfg.ShardCount = defaultShardCount
log.Warn("falling back to default configuration", log.Fields{
"name": Name + ".ShardCount",
"provided": cfg.ShardCount,
"default": validcfg.ShardCount,
})
}
if cfg.GarbageCollectionInterval <= 0 {
validcfg.GarbageCollectionInterval = defaultGarbageCollectionInterval
log.Warn("falling back to default configuration", log.Fields{
"name": Name + ".GarbageCollectionInterval",
"provided": cfg.GarbageCollectionInterval,
"default": validcfg.GarbageCollectionInterval,
})
}
if cfg.PrometheusReportingInterval <= 0 {
validcfg.PrometheusReportingInterval = defaultPrometheusReportingInterval
log.Warn("falling back to default configuration", log.Fields{
"name": Name + ".PrometheusReportingInterval",
"provided": cfg.PrometheusReportingInterval,
"default": validcfg.PrometheusReportingInterval,
})
}
if cfg.PeerLifetime <= 0 {
validcfg.PeerLifetime = defaultPeerLifetime
log.Warn("falling back to default configuration", log.Fields{
"name": Name + ".PeerLifetime",
"provided": cfg.PeerLifetime,
"default": validcfg.PeerLifetime,
})
}
return validcfg
}
// New creates a new PeerStore backed by memory that organizes peers by a
// pre-configured subnet mask.
func New(provided Config) (storage.PeerStore, error) {
cfg := provided.Validate()
ps := &peerStore{
cfg: cfg,
ipv4Mask: net.CIDRMask(cfg.PreferredIPv4SubnetMaskBitsSet, 32),
ipv6Mask: net.CIDRMask(cfg.PreferredIPv6SubnetMaskBitsSet, 128),
shards: make([]*peerShard, cfg.ShardCount*2),
closed: make(chan struct{}),
}
for i := 0; i < cfg.ShardCount*2; i++ {
ps.shards[i] = &peerShard{swarms: make(map[bittorrent.InfoHash]swarm)}
}
// Start a goroutine for garbage collection.
ps.wg.Add(1)
go func() {
defer ps.wg.Done()
for {
select {
case <-ps.closed:
return
case <-time.After(cfg.GarbageCollectionInterval):
before := time.Now().Add(-cfg.PeerLifetime)
log.Debug("storage: purging peers with no announces since", log.Fields{"before": before})
ps.collectGarbage(before)
}
}
}()
// Start a goroutine for reporting statistics to Prometheus.
ps.wg.Add(1)
go func() {
defer ps.wg.Done()
t := time.NewTicker(cfg.PrometheusReportingInterval)
for {
select {
case <-ps.closed:
t.Stop()
return
case <-t.C:
before := time.Now()
ps.populateProm()
log.Debug("storage: populateProm() finished", log.Fields{"timeTaken": time.Since(before)})
}
}
}()
return ps, nil
}
type serializedPeer string
func newPeerKey(p bittorrent.Peer) serializedPeer {
b := make([]byte, 20+2+len(p.IP.IP))
copy(b[:20], p.ID[:])
binary.BigEndian.PutUint16(b[20:22], p.Port)
copy(b[22:], p.IP.IP)
return serializedPeer(b)
}
func decodePeerKey(pk serializedPeer) bittorrent.Peer {
peer := bittorrent.Peer{
ID: bittorrent.PeerIDFromString(string(pk[:20])),
Port: binary.BigEndian.Uint16([]byte(pk[20:22])),
IP: bittorrent.IP{IP: net.IP(pk[22:])}}
if ip := peer.IP.To4(); ip != nil {
peer.IP.IP = ip
peer.IP.AddressFamily = bittorrent.IPv4
} else if len(peer.IP.IP) == net.IPv6len { // implies toReturn.IP.To4() == nil
peer.IP.AddressFamily = bittorrent.IPv6
} else {
panic("IP is neither v4 nor v6")
}
return peer
}
type peerSubnet string
func newPeerSubnet(ip bittorrent.IP, ipv4Mask, ipv6Mask net.IPMask) peerSubnet {
var maskedIP net.IP
switch ip.AddressFamily {
case bittorrent.IPv4:
maskedIP = ip.Mask(ipv4Mask)
case bittorrent.IPv6:
maskedIP = ip.Mask(ipv6Mask)
default:
panic("IP is neither v4 nor v6")
}
return peerSubnet(maskedIP.String())
}
type peerShard struct {
swarms map[bittorrent.InfoHash]swarm
numSeeders uint64
numLeechers uint64
sync.RWMutex
}
type swarm struct {
seeders map[peerSubnet]map[serializedPeer]int64
leechers map[peerSubnet]map[serializedPeer]int64
}
func (s swarm) lenSeeders() (i int) {
for _, subnet := range s.seeders {
i += len(subnet)
}
return
}
func (s swarm) lenLeechers() (i int) {
for _, subnet := range s.leechers {
i += len(subnet)
}
return
}
type peerStore struct {
cfg Config
ipv4Mask net.IPMask
ipv6Mask net.IPMask
shards []*peerShard
closed chan struct{}
wg sync.WaitGroup
}
var _ storage.PeerStore = &peerStore{}
// populateProm aggregates metrics over all shards and then posts them to
// prometheus.
func (ps *peerStore) populateProm() {
var numInfohashes, numSeeders, numLeechers uint64
for _, s := range ps.shards {
s.RLock()
numInfohashes += uint64(len(s.swarms))
numSeeders += s.numSeeders
numLeechers += s.numLeechers
s.RUnlock()
}
storage.PromInfohashesCount.Set(float64(numInfohashes))
storage.PromSeedersCount.Set(float64(numSeeders))
storage.PromLeechersCount.Set(float64(numLeechers))
}
// recordGCDuration records the duration of a GC sweep.
func recordGCDuration(duration time.Duration) {
storage.PromGCDurationMilliseconds.Observe(float64(duration.Nanoseconds()) / float64(time.Millisecond))
}
func (ps *peerStore) getClock() int64 {
return timecache.NowUnixNano()
}
func (ps *peerStore) shardIndex(infoHash bittorrent.InfoHash, af bittorrent.AddressFamily) uint32 {
// There are twice the amount of shards specified by the user, the first
// half is dedicated to IPv4 swarms and the second half is dedicated to
// IPv6 swarms.
idx := binary.BigEndian.Uint32(infoHash[:4]) % (uint32(len(ps.shards)) / 2)
if af == bittorrent.IPv6 {
idx += uint32(len(ps.shards) / 2)
}
return idx
}
func (ps *peerStore) PutSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
pk := newPeerKey(p)
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
shard.swarms[ih] = swarm{
seeders: make(map[peerSubnet]map[serializedPeer]int64),
leechers: make(map[peerSubnet]map[serializedPeer]int64),
}
}
preferredSubnet := newPeerSubnet(p.IP, ps.ipv4Mask, ps.ipv6Mask)
// Allocate a new map if necessary.
if shard.swarms[ih].seeders[preferredSubnet] == nil {
shard.swarms[ih].seeders[preferredSubnet] = make(map[serializedPeer]int64)
}
// If this peer isn't already a seeder, update the stats for the swarm.
if _, ok := shard.swarms[ih].seeders[preferredSubnet][pk]; !ok {
shard.numSeeders++
}
// Update the peer in the swarm.
shard.swarms[ih].seeders[preferredSubnet][pk] = ps.getClock()
shard.Unlock()
return nil
}
func (ps *peerStore) DeleteSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
pk := newPeerKey(p)
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
shard.Unlock()
return storage.ErrResourceDoesNotExist
}
preferredSubnet := newPeerSubnet(p.IP, ps.ipv4Mask, ps.ipv6Mask)
if _, ok := shard.swarms[ih].seeders[preferredSubnet][pk]; !ok {
shard.Unlock()
return storage.ErrResourceDoesNotExist
}
shard.numSeeders--
delete(shard.swarms[ih].seeders[preferredSubnet], pk)
if shard.swarms[ih].lenSeeders()|shard.swarms[ih].lenLeechers() == 0 {
delete(shard.swarms, ih)
} else if len(shard.swarms[ih].seeders[preferredSubnet]) == 0 {
delete(shard.swarms[ih].seeders, preferredSubnet)
}
shard.Unlock()
return nil
}
func (ps *peerStore) PutLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
pk := newPeerKey(p)
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
shard.swarms[ih] = swarm{
seeders: make(map[peerSubnet]map[serializedPeer]int64),
leechers: make(map[peerSubnet]map[serializedPeer]int64),
}
}
preferredSubnet := newPeerSubnet(p.IP, ps.ipv4Mask, ps.ipv6Mask)
// Allocate a new map if necessary.
if shard.swarms[ih].leechers[preferredSubnet] == nil {
shard.swarms[ih].leechers[preferredSubnet] = make(map[serializedPeer]int64)
}
// If this peer isn't already a seeder, update the stats for the swarm.
if _, ok := shard.swarms[ih].leechers[preferredSubnet][pk]; !ok {
shard.numLeechers++
}
// Update the peer in the swarm.
shard.swarms[ih].leechers[preferredSubnet][pk] = ps.getClock()
shard.Unlock()
return nil
}
func (ps *peerStore) DeleteLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
pk := newPeerKey(p)
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
shard.Unlock()
return storage.ErrResourceDoesNotExist
}
preferredSubnet := newPeerSubnet(p.IP, ps.ipv4Mask, ps.ipv6Mask)
if _, ok := shard.swarms[ih].leechers[preferredSubnet][pk]; !ok {
shard.Unlock()
return storage.ErrResourceDoesNotExist
}
shard.numLeechers--
delete(shard.swarms[ih].leechers[preferredSubnet], pk)
if shard.swarms[ih].lenSeeders()|shard.swarms[ih].lenLeechers() == 0 {
delete(shard.swarms, ih)
} else if len(shard.swarms[ih].leechers[preferredSubnet]) == 0 {
delete(shard.swarms[ih].leechers, preferredSubnet)
}
shard.Unlock()
return nil
}
func (ps *peerStore) GraduateLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
pk := newPeerKey(p)
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
shard.swarms[ih] = swarm{
seeders: make(map[peerSubnet]map[serializedPeer]int64),
leechers: make(map[peerSubnet]map[serializedPeer]int64),
}
}
// If this peer is a leecher, update the stats for the swarm and remove them.
preferredSubnet := newPeerSubnet(p.IP, ps.ipv4Mask, ps.ipv6Mask)
if _, ok := shard.swarms[ih].leechers[preferredSubnet][pk]; ok {
shard.numLeechers--
delete(shard.swarms[ih].leechers[preferredSubnet], pk)
}
// Allocate a new map if necessary.
if shard.swarms[ih].seeders[preferredSubnet] == nil {
shard.swarms[ih].seeders[preferredSubnet] = make(map[serializedPeer]int64)
}
// If this peer isn't already a seeder, update the stats for the swarm.
if _, ok := shard.swarms[ih].seeders[preferredSubnet][pk]; !ok {
shard.numSeeders++
}
// Update the peer in the swarm.
shard.swarms[ih].seeders[preferredSubnet][pk] = ps.getClock()
shard.Unlock()
return nil
}
func (ps *peerStore) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, announcer bittorrent.Peer) (peers []bittorrent.Peer, err error) {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
shard := ps.shards[ps.shardIndex(ih, announcer.IP.AddressFamily)]
shard.RLock()
if _, ok := shard.swarms[ih]; !ok {
shard.RUnlock()
return nil, storage.ErrResourceDoesNotExist
}
preferredSubnet := newPeerSubnet(announcer.IP, ps.ipv4Mask, ps.ipv6Mask)
if seeder {
// Append as many close leechers as possible.
closestLeechers := shard.swarms[ih].leechers[preferredSubnet]
for pk := range closestLeechers {
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
// Append the rest of the leechers.
if numWant > 0 {
for subnet := range shard.swarms[ih].leechers {
// Already appended from this subnet explicitly first.
if subnet == preferredSubnet {
continue
}
for pk := range shard.swarms[ih].leechers[subnet] {
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
}
}
} else {
// Append as many close seeders as possible.
closestSeeders := shard.swarms[ih].seeders[preferredSubnet]
for pk := range closestSeeders {
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
// Append as many close leechers as possible.
if numWant > 0 {
closestLeechers := shard.swarms[ih].leechers[preferredSubnet]
announcerPK := newPeerKey(announcer)
for pk := range closestLeechers {
if pk == announcerPK {
continue
}
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
}
// Append as the rest of the seeders.
if numWant > 0 {
for subnet := range shard.swarms[ih].seeders {
// Already appended from this subnet explicitly first.
if subnet == preferredSubnet {
continue
}
for pk := range shard.swarms[ih].seeders[subnet] {
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
}
}
// Append the rest of the leechers.
if numWant > 0 {
for subnet := range shard.swarms[ih].leechers {
// Already appended from this subnet explicitly first.
if subnet == preferredSubnet {
continue
}
for pk := range shard.swarms[ih].leechers[subnet] {
if numWant == 0 {
break
}
peers = append(peers, decodePeerKey(pk))
numWant--
}
}
}
}
shard.RUnlock()
return
}
func (ps *peerStore) ScrapeSwarm(ih bittorrent.InfoHash, addressFamily bittorrent.AddressFamily) (resp bittorrent.Scrape) {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
default:
}
resp.InfoHash = ih
shard := ps.shards[ps.shardIndex(ih, addressFamily)]
shard.RLock()
swarm, ok := shard.swarms[ih]
if !ok {
shard.RUnlock()
return
}
resp.Incomplete = uint32(swarm.lenLeechers())
resp.Complete = uint32(swarm.lenSeeders())
shard.RUnlock()
return
}
// collectGarbage deletes all Peers from the PeerStore which are older than the
// cutoff time.
//
// This function must be able to execute while other methods on this interface
// are being executed in parallel.
func (ps *peerStore) collectGarbage(cutoff time.Time) error {
select {
case <-ps.closed:
return nil
default:
}
cutoffUnix := cutoff.UnixNano()
start := time.Now()
for _, shard := range ps.shards {
shard.RLock()
var infohashes []bittorrent.InfoHash
for ih := range shard.swarms {
infohashes = append(infohashes, ih)
}
shard.RUnlock()
runtime.Gosched()
for _, ih := range infohashes {
shard.Lock()
if _, stillExists := shard.swarms[ih]; !stillExists {
shard.Unlock()
runtime.Gosched()
continue
}
for subnet := range shard.swarms[ih].leechers {
for pk, mtime := range shard.swarms[ih].leechers[subnet] {
if mtime <= cutoffUnix {
shard.numLeechers--
delete(shard.swarms[ih].leechers[subnet], pk)
}
}
if len(shard.swarms[ih].leechers[subnet]) == 0 {
delete(shard.swarms[ih].leechers, subnet)
}
}
for subnet := range shard.swarms[ih].seeders {
for pk, mtime := range shard.swarms[ih].seeders[subnet] {
if mtime <= cutoffUnix {
shard.numSeeders--
delete(shard.swarms[ih].seeders[subnet], pk)
}
}
if len(shard.swarms[ih].seeders[subnet]) == 0 {
delete(shard.swarms[ih].seeders, subnet)
}
}
if shard.swarms[ih].lenSeeders()|shard.swarms[ih].lenLeechers() == 0 {
delete(shard.swarms, ih)
}
shard.Unlock()
runtime.Gosched()
}
runtime.Gosched()
}
recordGCDuration(time.Since(start))
return nil
}
func (ps *peerStore) Stop() stop.Result {
c := make(stop.Channel)
go func() {
close(ps.closed)
ps.wg.Wait()
// Explicitly deallocate our storage.
shards := make([]*peerShard, len(ps.shards))
for i := 0; i < len(ps.shards); i++ {
shards[i] = &peerShard{swarms: make(map[bittorrent.InfoHash]swarm)}
}
ps.shards = shards
c.Done()
}()
return c.Result()
}
func (ps *peerStore) LogFields() log.Fields {
return ps.cfg.LogFields()
}

53
storage/memorybysubnet/peer_store_test.go
View file

@ -1,53 +0,0 @@
package memorybysubnet
import (
"testing"
"time"
s "github.com/chihaya/chihaya/storage"
)
func createNew() s.PeerStore {
ps, err := New(Config{
ShardCount: 1024,
GarbageCollectionInterval: 10 * time.Minute,
PeerLifetime: 30 * time.Minute,
PreferredIPv4SubnetMaskBitsSet: 31,
PreferredIPv6SubnetMaskBitsSet: 64,
PrometheusReportingInterval: 10 * time.Minute,
})
if err != nil {
panic(err)
}
return ps
}
func TestPeerStore(t *testing.T) { s.TestPeerStore(t, createNew()) }
func BenchmarkNop(b *testing.B) { s.Nop(b, createNew()) }
func BenchmarkPut(b *testing.B) { s.Put(b, createNew()) }
func BenchmarkPut1k(b *testing.B) { s.Put1k(b, createNew()) }
func BenchmarkPut1kInfohash(b *testing.B) { s.Put1kInfohash(b, createNew()) }
func BenchmarkPut1kInfohash1k(b *testing.B) { s.Put1kInfohash1k(b, createNew()) }
func BenchmarkPutDelete(b *testing.B) { s.PutDelete(b, createNew()) }
func BenchmarkPutDelete1k(b *testing.B) { s.PutDelete1k(b, createNew()) }
func BenchmarkPutDelete1kInfohash(b *testing.B) { s.PutDelete1kInfohash(b, createNew()) }
func BenchmarkPutDelete1kInfohash1k(b *testing.B) { s.PutDelete1kInfohash1k(b, createNew()) }
func BenchmarkDeleteNonexist(b *testing.B) { s.DeleteNonexist(b, createNew()) }
func BenchmarkDeleteNonexist1k(b *testing.B) { s.DeleteNonexist1k(b, createNew()) }
func BenchmarkDeleteNonexist1kInfohash(b *testing.B) { s.DeleteNonexist1kInfohash(b, createNew()) }
func BenchmarkDeleteNonexist1kInfohash1k(b *testing.B) { s.DeleteNonexist1kInfohash1k(b, createNew()) }
func BenchmarkPutGradDelete(b *testing.B) { s.PutGradDelete(b, createNew()) }
func BenchmarkPutGradDelete1k(b *testing.B) { s.PutGradDelete1k(b, createNew()) }
func BenchmarkPutGradDelete1kInfohash(b *testing.B) { s.PutGradDelete1kInfohash(b, createNew()) }
func BenchmarkPutGradDelete1kInfohash1k(b *testing.B) { s.PutGradDelete1kInfohash1k(b, createNew()) }
func BenchmarkGradNonexist(b *testing.B) { s.GradNonexist(b, createNew()) }
func BenchmarkGradNonexist1k(b *testing.B) { s.GradNonexist1k(b, createNew()) }
func BenchmarkGradNonexist1kInfohash(b *testing.B) { s.GradNonexist1kInfohash(b, createNew()) }
func BenchmarkGradNonexist1kInfohash1k(b *testing.B) { s.GradNonexist1kInfohash1k(b, createNew()) }
func BenchmarkAnnounceLeecher(b *testing.B) { s.AnnounceLeecher(b, createNew()) }
func BenchmarkAnnounceLeecher1kInfohash(b *testing.B) { s.AnnounceLeecher1kInfohash(b, createNew()) }
func BenchmarkAnnounceSeeder(b *testing.B) { s.AnnounceSeeder(b, createNew()) }
func BenchmarkAnnounceSeeder1kInfohash(b *testing.B) { s.AnnounceSeeder1kInfohash(b, createNew()) }
func BenchmarkScrapeSwarm(b *testing.B) { s.ScrapeSwarm(b, createNew()) }
func BenchmarkScrapeSwarm1kInfohash(b *testing.B) { s.ScrapeSwarm1kInfohash(b, createNew()) }