(untested) Merge commit e56ad81 from https://github.com/jzelinskie/chihaya

* rename/replace redis keys
This commit is contained in:
Lawrence, Rendall
2022-04-14 19:12:33 +03:00
parent 05fe8e113a
commit 5c2471ca9b
23 changed files with 560 additions and 564 deletions
+13 -12
View File
@@ -6,6 +6,7 @@ import (
"encoding/binary"
"fmt"
"math"
"net/netip"
"reflect"
"runtime"
"sync"
@@ -228,12 +229,12 @@ func (ps *store) getClock() int64 {
return timecache.NowUnixNano()
}
func (ps *store) shardIndex(infoHash bittorrent.InfoHash, af bittorrent.AddressFamily) uint32 {
func (ps *store) shardIndex(infoHash bittorrent.InfoHash, addr netip.Addr) 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([]byte(infoHash[:4])) % (uint32(len(ps.shards)) / 2)
if af == bittorrent.IPv6 {
if addr.Is6() && !addr.Is4In6() {
idx += uint32(len(ps.shards) / 2)
}
return idx
@@ -248,7 +249,7 @@ func (ps *store) PutSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
pk := p.RawString()
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard := ps.shards[ps.shardIndex(ih, p.Addr())]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
@@ -279,7 +280,7 @@ func (ps *store) DeleteSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
pk := p.RawString()
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard := ps.shards[ps.shardIndex(ih, p.Addr())]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
@@ -312,7 +313,7 @@ func (ps *store) PutLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
pk := p.RawString()
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard := ps.shards[ps.shardIndex(ih, p.Addr())]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
@@ -343,7 +344,7 @@ func (ps *store) DeleteLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error
pk := p.RawString()
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard := ps.shards[ps.shardIndex(ih, p.Addr())]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
@@ -376,7 +377,7 @@ func (ps *store) GraduateLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) erro
pk := p.RawString()
shard := ps.shards[ps.shardIndex(ih, p.IP.AddressFamily)]
shard := ps.shards[ps.shardIndex(ih, p.Addr())]
shard.Lock()
if _, ok := shard.swarms[ih]; !ok {
@@ -404,14 +405,14 @@ func (ps *store) GraduateLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) erro
return nil
}
func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, announcer bittorrent.Peer) (peers []bittorrent.Peer, err error) {
func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, peer 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 := ps.shards[ps.shardIndex(ih, peer.Addr())]
shard.RLock()
if _, ok := shard.swarms[ih]; !ok {
@@ -445,7 +446,7 @@ func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int,
// Append leechers until we reach numWant.
if numWant > 0 {
leechers := shard.swarms[ih].leechers
announcerPK := announcer.RawString()
announcerPK := peer.RawString()
for pk := range leechers {
if pk == announcerPK {
continue
@@ -465,7 +466,7 @@ func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int,
return
}
func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, addressFamily bittorrent.AddressFamily) (resp bittorrent.Scrape) {
func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, peer bittorrent.Peer) (resp bittorrent.Scrape) {
select {
case <-ps.closed:
panic("attempted to interact with stopped memory store")
@@ -473,7 +474,7 @@ func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, addressFamily bittorrent.Ad
}
resp.InfoHash = ih
shard := ps.shards[ps.shardIndex(ih, addressFamily)]
shard := ps.shards[ps.shardIndex(ih, peer.Addr())]
shard.RLock()
swarm, ok := shard.swarms[ih]
+268 -232
View File
@@ -2,24 +2,24 @@
// BitTorrent tracker keeping peer data in redis with hash.
// There two categories of hash:
//
// - IPv{4,6}_{L,S}_infohash
// - CHI_{4,6}_{L,S}_infohash
// To save peers that hold the infohash, used for fast searching,
// deleting, and timeout handling
//
// - IPv{4,6}
// - CHI_{4,6}
// To save all the infohashes, used for garbage collection,
// metrics aggregation and leecher graduation
//
// Tree keys are used to record the count of swarms, seeders
// and leechers for each group (IPv4, IPv6).
//
// - IPv{4,6}_infohash_count
// - CHI_{4,6}_I_C
// To record the number of infohashes.
//
// - IPv{4,6}_S_count
// - CHI_{4,6}_S_C
// To record the number of seeders.
//
// - IPv{4,6}_L_count
// - CHI_{4,6}_L_C
// To record the number of leechers.
package redis
@@ -53,6 +53,19 @@ const (
defaultReadTimeout = time.Second * 15
defaultWriteTimeout = time.Second * 15
defaultConnectTimeout = time.Second * 15
prefixKey = "CHI_"
ih4Key = "CHI_4_I"
ih6Key = "CHI_6_I"
ih4SeederKey = "CHI_4_S_"
ih6SeederKey = "CHI_6_S_"
ih4LeecherKey = "CHI_4_L_"
ih6LeecherKey = "CHI_6_L_"
cnt4SeederKey = "CHI_4_C_S"
cnt6SeederKey = "CHI_6_C_S"
cnt4LeecherKey = "CHI_4_C_L"
cnt6LeecherKey = "CHI_6_C_L"
cnt4InfoHashKey = "CHI_4_C_I"
cnt6InfoHashKey = "CHI_6_C_I"
)
// ErrSentinelAndClusterChecked returned from initializer if both Config.Sentinel and Config.Cluster provided
@@ -264,13 +277,11 @@ func New(conf Config) (storage.Storage, error) {
ps.logFields = cfg.LogFields()
// Start a goroutine for garbage collection.
ps.wg.Add(1)
go ps.runGC(cfg.GarbageCollectionInterval, cfg.PeerLifetime)
go ps.scheduleGC(cfg.GarbageCollectionInterval, cfg.PeerLifetime)
if cfg.PrometheusReportingInterval > 0 {
// Start a goroutine for reporting statistics to Prometheus.
ps.wg.Add(1)
go ps.runProm(cfg.PrometheusReportingInterval)
go ps.schedulerProm(cfg.PrometheusReportingInterval)
} else {
log.Info("prometheus disabled because of zero reporting interval")
}
@@ -278,21 +289,32 @@ func New(conf Config) (storage.Storage, error) {
return ps, nil
}
func (ps *store) runGC(gcInterval, peerLifeTime time.Duration) {
func (ps *store) scheduleGC(gcInterval, peerLifeTime time.Duration) {
ps.wg.Add(1)
defer ps.wg.Done()
t := time.NewTimer(gcInterval)
defer t.Stop()
for {
select {
case <-ps.closed:
return
case <-time.After(gcInterval):
case <-t.C:
before := time.Now().Add(-peerLifeTime)
log.Debug("storage: purging peers with no announces since", log.Fields{"before": before})
ps.collectGarbage(before)
cutoffUnix := before.UnixNano()
start := time.Now()
ps.gc(cutoffUnix, false)
ps.gc(cutoffUnix, true)
duration := time.Since(start).Milliseconds()
log.Debug("storage: recordGCDuration", log.Fields{"timeTaken(ms)": duration})
storage.PromGCDurationMilliseconds.Observe(float64(duration))
t.Reset(gcInterval)
}
}
}
func (ps *store) runProm(reportInterval time.Duration) {
func (ps *store) schedulerProm(reportInterval time.Duration) {
ps.wg.Add(1)
defer ps.wg.Done()
t := time.NewTicker(reportInterval)
for {
@@ -317,68 +339,39 @@ type store struct {
logFields log.Fields
}
var groups = []string{bittorrent.IPv4.String(), bittorrent.IPv6.String()}
// leecherInfoHashKey generates string IPvN_L_hash
func leecherInfoHashKey(addressFamily, infoHash string) string {
return addressFamily + "_L_" + infoHash
}
// seederInfoHashKey generates string IPvN_S_hash
func seederInfoHashKey(addressFamily, infoHash string) string {
return addressFamily + "_S_" + infoHash
}
// seederInfoHashKey generates string IPvN_infohash_count
func infoHashCountKey(addressFamily string) string {
return addressFamily + "_infohash_count"
}
// seederInfoHashKey generates string IPvN_L_count
func leecherCountKey(addressFamily string) string {
return addressFamily + "_L_count"
}
// seederInfoHashKey generates string IPvN_S_count
func seederCountKey(addressFamily string) string {
return addressFamily + "_S_count"
func (ps *store) count(key string) (n uint64) {
var err error
if n, err = ps.con.Get(ps.ctx, key).Uint64(); err != nil && !errors.Is(err, redis.Nil) {
log.Error("storage: GET counter failure", log.Fields{
"key": key,
"error": err,
})
}
return
}
// populateProm aggregates metrics over all groups and then posts them to
// prometheus.
func (ps *store) populateProm() {
var numInfoHashes, numSeeders, numLeechers int64
for _, group := range groups {
if n, err := ps.con.Get(ps.ctx, infoHashCountKey(group)).Int64(); err != nil && !errors.Is(err, redis.Nil) {
log.Error("storage: GET counter failure", log.Fields{
"key": infoHashCountKey(group),
"error": err,
})
numInfoHashes, numSeeders, numLeechers := new(uint64), new(uint64), new(uint64)
fetchFn := func(v6 bool) {
var cntSeederKey, cntLeecherKey, cntInfoHashKey string
if v6 {
cntSeederKey, cntLeecherKey, cntInfoHashKey = cnt6SeederKey, cnt6LeecherKey, cnt6InfoHashKey
} else {
numInfoHashes += n
}
if n, err := ps.con.Get(ps.ctx, seederCountKey(group)).Int64(); err != nil && !errors.Is(err, redis.Nil) {
log.Error("storage: GET counter failure", log.Fields{
"key": seederCountKey(group),
"error": err,
})
} else {
numSeeders += n
}
if n, err := ps.con.Get(ps.ctx, leecherCountKey(group)).Int64(); err != nil && !errors.Is(err, redis.Nil) {
log.Error("storage: GET counter failure", log.Fields{
"key": leecherCountKey(group),
"error": err,
})
} else {
numLeechers += n
cntSeederKey, cntLeecherKey, cntInfoHashKey = cnt4SeederKey, cnt4LeecherKey, cnt4InfoHashKey
}
*numInfoHashes += ps.count(cntInfoHashKey)
*numSeeders += ps.count(cntSeederKey)
*numLeechers += ps.count(cntLeecherKey)
}
storage.PromInfoHashesCount.Set(float64(numInfoHashes))
storage.PromSeedersCount.Set(float64(numSeeders))
storage.PromLeechersCount.Set(float64(numLeechers))
fetchFn(false)
fetchFn(true)
storage.PromInfoHashesCount.Set(float64(*numInfoHashes))
storage.PromSeedersCount.Set(float64(*numSeeders))
storage.PromLeechersCount.Set(float64(*numLeechers))
}
func (ps *store) getClock() int64 {
@@ -409,154 +402,185 @@ func asNil(err error) error {
return err
}
func (ps *store) PutSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
addressFamily := p.IP.AddressFamily.String()
func (ps *store) PutSeeder(ih bittorrent.InfoHash, peer bittorrent.Peer) error {
var ihSummaryKey, ihPeerKey, cntPeerKey, cntInfoHashKey string
log.Debug("storage: PutSeeder", log.Fields{
"InfoHash": ih,
"Peer": p,
"Peer": peer,
})
encodedSeederInfoHash := seederInfoHashKey(addressFamily, ih.RawString())
if peer.Addr().Is6() {
ihSummaryKey, ihPeerKey, cntPeerKey, cntInfoHashKey = ih6Key, ih6SeederKey, cnt6SeederKey, cnt6InfoHashKey
} else {
ihSummaryKey, ihPeerKey, cntPeerKey, cntInfoHashKey = ih4Key, ih4SeederKey, cnt4SeederKey, cnt4InfoHashKey
}
ihPeerKey += ih.RawString()
now := ps.getClock()
return ps.tx(func(tx redis.Pipeliner) (err error) {
if err = tx.HSet(ps.ctx, encodedSeederInfoHash, p.RawString(), now).Err(); err != nil {
if err = tx.HSet(ps.ctx, ihPeerKey, peer.RawString(), now).Err(); err != nil {
return
}
if err = ps.con.Incr(ps.ctx, seederCountKey(addressFamily)).Err(); err != nil {
if err = ps.con.Incr(ps.ctx, cntPeerKey).Err(); err != nil {
return
}
if err = ps.con.HSet(ps.ctx, addressFamily, encodedSeederInfoHash, now).Err(); err != nil {
var added int64
if added, err = ps.con.SAdd(ps.ctx, ihSummaryKey, ihPeerKey).Result(); err != nil {
return
}
err = ps.con.Incr(ps.ctx, infoHashCountKey(addressFamily)).Err()
if added > 0 {
err = ps.con.Incr(ps.ctx, cntInfoHashKey).Err()
}
return
})
}
func (ps *store) DeleteSeeder(ih bittorrent.InfoHash, p bittorrent.Peer) error {
addressFamily := p.IP.AddressFamily.String()
func (ps *store) DeleteSeeder(ih bittorrent.InfoHash, peer bittorrent.Peer) error {
var ihPeerKey, cntPeerKey string
log.Debug("storage: DeleteSeeder", log.Fields{
"InfoHash": ih,
"Peer": p,
"Peer": peer,
})
if peer.Addr().Is6() {
ihPeerKey, cntPeerKey = ih6SeederKey, cnt6SeederKey
} else {
ihPeerKey, cntPeerKey = ih4SeederKey, cnt4SeederKey
}
ihPeerKey += ih.RawString()
encodedSeederInfoHash := seederInfoHashKey(addressFamily, ih.RawString())
deleted, err := ps.con.HDel(ps.ctx, encodedSeederInfoHash, p.RawString()).Uint64()
deleted, err := ps.con.HDel(ps.ctx, ihPeerKey, peer.RawString()).Uint64()
err = asNil(err)
if err == nil {
if deleted == 0 {
err = storage.ErrResourceDoesNotExist
} else {
err = ps.con.Decr(ps.ctx, seederCountKey(addressFamily)).Err()
err = ps.con.Decr(ps.ctx, cntPeerKey).Err()
}
}
return err
}
func (ps *store) PutLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
addressFamily := p.IP.AddressFamily.String()
func (ps *store) PutLeecher(ih bittorrent.InfoHash, peer bittorrent.Peer) error {
var ihSummaryKey, ihPeerKey, cntPeerKey string
log.Debug("storage: PutLeecher", log.Fields{
"InfoHash": ih,
"Peer": p,
"Peer": peer,
})
if peer.Addr().Is6() {
ihSummaryKey, ihPeerKey, cntPeerKey = ih6Key, ih6LeecherKey, cnt6LeecherKey
} else {
ihSummaryKey, ihPeerKey, cntPeerKey = ih4Key, ih4LeecherKey, cnt4LeecherKey
}
ihPeerKey += ih.RawString()
// Update the peer in the swarm.
encodedLeecherInfoHash := leecherInfoHashKey(addressFamily, ih.RawString())
now := ps.getClock()
return ps.tx(func(tx redis.Pipeliner) (err error) {
if err = tx.HSet(ps.ctx, encodedLeecherInfoHash, p.RawString(), now).Err(); err != nil {
if err = tx.HSet(ps.ctx, ihPeerKey, peer.RawString(), now).Err(); err != nil {
return
}
if err = tx.HSet(ps.ctx, addressFamily, encodedLeecherInfoHash, now).Err(); err != nil {
if err = tx.Incr(ps.ctx, cntPeerKey).Err(); err != nil {
return err
}
err = tx.Incr(ps.ctx, leecherCountKey(addressFamily)).Err()
err = tx.HSet(ps.ctx, ihSummaryKey, ihPeerKey, now).Err()
return
})
}
func (ps *store) DeleteLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
addressFamily := p.IP.AddressFamily.String()
func (ps *store) DeleteLeecher(ih bittorrent.InfoHash, peer bittorrent.Peer) error {
var ihPeerKey, cntPeerKey string
log.Debug("storage: DeleteLeecher", log.Fields{
"InfoHash": ih,
"Peer": p,
"Peer": peer,
})
encodedLeecherInfoHash := leecherInfoHashKey(addressFamily, ih.RawString())
if peer.Addr().Is6() {
ihPeerKey, cntPeerKey = ih6LeecherKey, cnt6LeecherKey
} else {
ihPeerKey, cntPeerKey = ih4LeecherKey, cnt4LeecherKey
}
ihPeerKey += ih.RawString()
deleted, err := ps.con.HDel(ps.ctx, encodedLeecherInfoHash, p.RawString()).Uint64()
deleted, err := ps.con.HDel(ps.ctx, ihPeerKey, peer.RawString()).Uint64()
err = asNil(err)
if err == nil {
if deleted == 0 {
err = storage.ErrResourceDoesNotExist
} else {
err = ps.con.Decr(ps.ctx, leecherCountKey(addressFamily)).Err()
err = ps.con.Decr(ps.ctx, cntPeerKey).Err()
}
}
return err
}
func (ps *store) GraduateLeecher(ih bittorrent.InfoHash, p bittorrent.Peer) error {
addressFamily := p.IP.AddressFamily.String()
func (ps *store) GraduateLeecher(ih bittorrent.InfoHash, peer bittorrent.Peer) error {
var ihSummaryKey, ihSeederKey, ihLeecherKey, cntSeederKey, cntLeecherKey, cntInfoHashKey string
log.Debug("storage: GraduateLeecher", log.Fields{
"InfoHash": ih,
"Peer": p,
"Peer": peer,
})
encodedInfoHash := ih.RawString()
encodedLeecherInfoHash := leecherInfoHashKey(addressFamily, encodedInfoHash)
encodedSeederInfoHash := seederInfoHashKey(addressFamily, encodedInfoHash)
peerKey := p.RawString()
if peer.Addr().Is6() {
ihSummaryKey, ihSeederKey, cntSeederKey = ih6Key, ih6SeederKey, cnt6SeederKey
ihLeecherKey, cntLeecherKey, cntInfoHashKey = ih6LeecherKey, cnt6LeecherKey, cnt6InfoHashKey
} else {
ihSummaryKey, ihSeederKey, cntSeederKey = ih4Key, ih4SeederKey, cnt4SeederKey
ihLeecherKey, cntLeecherKey, cntInfoHashKey = ih4LeecherKey, cnt4LeecherKey, cnt4InfoHashKey
}
infoHash, peerKey := ih.RawString(), peer.RawString()
ihSeederKey, ihLeecherKey = ihSeederKey+infoHash, ihLeecherKey+infoHash
now := ps.getClock()
return ps.tx(func(tx redis.Pipeliner) error {
deleted, err := tx.HDel(ps.ctx, encodedLeecherInfoHash, peerKey).Uint64()
deleted, err := tx.HDel(ps.ctx, ihLeecherKey, peerKey).Uint64()
err = asNil(err)
if err == nil {
if deleted > 0 {
err = tx.Decr(ps.ctx, leecherCountKey(addressFamily)).Err()
err = tx.Decr(ps.ctx, cntLeecherKey).Err()
}
}
if err == nil {
err = tx.HSet(ps.ctx, encodedSeederInfoHash, peerKey, now).Err()
err = tx.HSet(ps.ctx, ihSeederKey, peerKey, now).Err()
}
if err == nil {
err = tx.Incr(ps.ctx, seederCountKey(addressFamily)).Err()
err = tx.Incr(ps.ctx, cntSeederKey).Err()
}
if err == nil {
err = tx.HSet(ps.ctx, addressFamily, encodedSeederInfoHash, now).Err()
err = tx.HSet(ps.ctx, ihSummaryKey, ihSeederKey, now).Err()
}
if err == nil {
err = tx.Incr(ps.ctx, infoHashCountKey(addressFamily)).Err()
err = tx.Incr(ps.ctx, cntInfoHashKey).Err()
}
return err
})
}
func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, announcer bittorrent.Peer) (peers []bittorrent.Peer, err error) {
addressFamily := announcer.IP.AddressFamily.String()
func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int, peer bittorrent.Peer) (peers []bittorrent.Peer, err error) {
var ihSeederKey, ihLeecherKey string
log.Debug("storage: AnnouncePeers", log.Fields{
"InfoHash": ih,
"seeder": seeder,
"numWant": numWant,
"Peer": announcer,
"Peer": peer,
})
encodedInfoHash := ih.RawString()
encodedLeecherInfoHash := leecherInfoHashKey(addressFamily, encodedInfoHash)
encodedSeederInfoHash := seederInfoHashKey(addressFamily, encodedInfoHash)
if peer.Addr().Is6() {
ihSeederKey, ihLeecherKey = ih6SeederKey, cnt6LeecherKey
} else {
ihSeederKey, ihLeecherKey = ih4SeederKey, ih4LeecherKey
}
infoHash := ih.RawString()
ihSeederKey, ihLeecherKey = ihSeederKey+infoHash, ihLeecherKey+infoHash
leechers, err := ps.con.HKeys(ps.ctx, encodedLeecherInfoHash).Result()
leechers, err := ps.con.HKeys(ps.ctx, ihLeecherKey).Result()
err = asNil(err)
if err != nil {
return nil, err
}
seeders, err := ps.con.HKeys(ps.ctx, encodedSeederInfoHash).Result()
seeders, err := ps.con.HKeys(ps.ctx, ihSeederKey).Result()
err = asNil(err)
if err != nil {
return nil, err
@@ -595,7 +619,7 @@ func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int,
// Append leechers until we reach numWant.
if numWant > 0 {
announcerPK := announcer.RawString()
announcerPK := peer.RawString()
for _, peerKey := range leechers {
if peerKey != announcerPK {
if numWant == 0 {
@@ -615,28 +639,36 @@ func (ps *store) AnnouncePeers(ih bittorrent.InfoHash, seeder bool, numWant int,
return
}
func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, af bittorrent.AddressFamily) (resp bittorrent.Scrape) {
func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, peer bittorrent.Peer) (resp bittorrent.Scrape) {
var ihSeederKey, ihLeecherKey string
log.Debug("storage: ScrapeSwarm", log.Fields{
"InfoHash": ih,
"Peer": peer,
})
resp.InfoHash = ih
addressFamily := af.String()
encodedInfoHash := ih.RawString()
encodedLeecherInfoHash := leecherInfoHashKey(addressFamily, encodedInfoHash)
encodedSeederInfoHash := seederInfoHashKey(addressFamily, encodedInfoHash)
if peer.Addr().Is6() {
ihSeederKey, ihLeecherKey = ih6SeederKey, cnt6LeecherKey
} else {
ihSeederKey, ihLeecherKey = ih4SeederKey, ih4LeecherKey
}
infoHash := ih.RawString()
ihSeederKey, ihLeecherKey = ihSeederKey+infoHash, ihLeecherKey+infoHash
leechersLen, err := ps.con.HLen(ps.ctx, encodedLeecherInfoHash).Result()
leechersLen, err := ps.con.HLen(ps.ctx, ihLeecherKey).Result()
err = asNil(err)
if err != nil {
log.Error("storage: Redis HLEN failure", log.Fields{
"Hkey": encodedLeecherInfoHash,
"Hkey": ihLeecherKey,
"error": err,
})
return
}
seedersLen, err := ps.con.HLen(ps.ctx, encodedSeederInfoHash).Result()
seedersLen, err := ps.con.HLen(ps.ctx, ihSeederKey).Result()
err = asNil(err)
if err != nil {
log.Error("storage: Redis HLEN failure", log.Fields{
"Hkey": encodedSeederInfoHash,
"Hkey": ihSeederKey,
"error": err,
})
return
@@ -649,11 +681,11 @@ func (ps *store) ScrapeSwarm(ih bittorrent.InfoHash, af bittorrent.AddressFamily
}
func (ps *store) Put(ctx string, value storage.Entry) error {
return ps.con.HSet(ps.ctx, ctx, value.Key, value.Value).Err()
return ps.con.HSet(ps.ctx, prefixKey+ctx, value.Key, value.Value).Err()
}
func (ps *store) Contains(ctx string, key string) (bool, error) {
exist, err := ps.con.HExists(ps.ctx, ctx, key).Result()
exist, err := ps.con.HExists(ps.ctx, prefixKey+ctx, key).Result()
return exist, asNil(err)
}
@@ -665,12 +697,12 @@ func (ps *store) BulkPut(ctx string, pairs ...storage.Entry) (err error) {
for _, p := range pairs {
args = append(args, p.Key, p.Value)
}
err = ps.con.HSet(ps.ctx, ctx, args...).Err()
err = ps.con.HSet(ps.ctx, prefixKey+ctx, args...).Err()
if err != nil {
if strings.Contains(err.Error(), argNumErrorMsg) {
log.Warn("This REDIS version/implementation does not support variadic arguments for HSET")
for _, p := range pairs {
if err = ps.con.HSet(ps.ctx, ctx, p.Key, p.Value).Err(); err != nil {
if err = ps.con.HSet(ps.ctx, prefixKey+ctx, p.Key, p.Value).Err(); err != nil {
break
}
}
@@ -681,7 +713,7 @@ func (ps *store) BulkPut(ctx string, pairs ...storage.Entry) (err error) {
}
func (ps *store) Load(ctx string, key string) (v any, err error) {
v, err = ps.con.HGet(ps.ctx, ctx, key).Result()
v, err = ps.con.HGet(ps.ctx, prefixKey+ctx, key).Result()
if err != nil && errors.Is(err, redis.Nil) {
v, err = nil, nil
}
@@ -690,12 +722,12 @@ func (ps *store) Load(ctx string, key string) (v any, err error) {
func (ps *store) Delete(ctx string, keys ...string) (err error) {
if len(keys) > 0 {
err = asNil(ps.con.HDel(ps.ctx, ctx, keys...).Err())
err = asNil(ps.con.HDel(ps.ctx, prefixKey+ctx, keys...).Err())
if err != nil {
if strings.Contains(err.Error(), argNumErrorMsg) {
log.Warn("This REDIS version/implementation does not support variadic arguments for HDEL")
for _, k := range keys {
if err = asNil(ps.con.HDel(ps.ctx, ctx, k).Err()); err != nil {
if err = asNil(ps.con.HDel(ps.ctx, prefixKey+ctx, k).Err()); err != nil {
break
}
}
@@ -705,7 +737,7 @@ func (ps *store) Delete(ctx string, keys ...string) (err error) {
return
}
// collectGarbage deletes all Peers from the Storage which are older than the
// gc deletes all Peers from the Storage which are older than the
// cutoff time.
//
// This function must be able to execute while other methods on this interface
@@ -717,11 +749,11 @@ func (ps *store) Delete(ctx string, keys ...string) (err error) {
// - The Put(Seeder|Leecher) and GraduateLeecher methods only ever add infohash
// keys to addressFamily hashes and increment the infohash counter.
// - The only method that deletes from the addressFamily hashes is
// collectGarbage, which also decrements the counters. That means that,
// gc, which also decrements the counters. That means that,
// even if a Delete(Seeder|Leecher) call removes the last peer from a swarm,
// the infohash counter is not changed and the infohash is left in the
// addressFamily hash until it will be cleaned up by collectGarbage.
// - collectGarbage must run regularly.
// addressFamily hash until it will be cleaned up by gc.
// - gc must run regularly.
// - A WATCH ... MULTI ... EXEC block fails, if between the WATCH and the 'EXEC'
// any of the watched keys have changed. The location of the 'MULTI' doesn't
// matter.
@@ -740,120 +772,124 @@ func (ps *store) Delete(ctx string, keys ...string) (err error) {
// not empty and start no transaction.
// - If the change happens after the HLEN, we will attempt a transaction and it
// will fail. This is okay, the swarm is not empty, we will try cleaning it up
// next time collectGarbage runs.
// next time gc runs.
// 4. (1,0): Again, two ways:
// - If the change happens before the HLEN, we will see an empty swarm. This
// situation happens if a call to Delete(Seeder|Leecher) removed the last
// peer asynchronously. We will attempt a transaction, but the transaction
// will fail. This is okay, the infohash key will remain in the addressFamily
// hash, we will attempt to clean it up the next time 'collectGarbage` runs.
// hash, we will attempt to clean it up the next time 'gc` runs.
// - If the change happens after the HLEN, we will not even attempt to make the
// transaction. The infohash key will remain in the addressFamil hash and
// we'll attempt to clean it up the next time collectGarbage runs.
func (ps *store) collectGarbage(cutoff time.Time) {
cutoffUnix := cutoff.UnixNano()
start := time.Now()
var err error
for _, group := range groups {
// list all infoHashes in the group
var infoHashes []string
infoHashes, err = ps.con.HKeys(ps.ctx, group).Result()
err = asNil(err)
if err == nil {
for _, infoHash := range infoHashes {
isSeeder := len(infoHash) > 5 && infoHash[5:6] == "S"
// list all (peer, timeout) pairs for the ih
peerList, err := ps.con.HGetAll(ps.ctx, infoHash).Result()
err = asNil(err)
if err == nil {
var removedPeerCount int64
for peerKey, timeStamp := range peerList {
var peer bittorrent.Peer
if peer, err = bittorrent.NewPeer(peerKey); err == nil {
if mtime, err := strconv.ParseInt(timeStamp, 10, 64); err == nil {
if mtime <= cutoffUnix {
log.Debug("storage: deleting peer", log.Fields{
"Peer": peer,
})
var count int64
count, err = ps.con.HDel(ps.ctx, infoHash, peerKey).Result()
err = asNil(err)
if err == nil {
removedPeerCount += count
}
// we'll attempt to clean it up the next time gc runs.
func (ps *store) gc(cutoffUnix int64, v6 bool) {
// list all infoHashKeys in the group
var ihSummaryKey, ihSeederKey, ihLeecherKey, cntSeederKey, cntLeecherKey, cntInfoHashKey string
if v6 {
cntSeederKey, cntLeecherKey, cntInfoHashKey = cnt6SeederKey, cnt6LeecherKey, cnt6InfoHashKey
ihSummaryKey, ihSeederKey, ihLeecherKey = ih6Key, ih6SeederKey, ih6LeecherKey
} else {
cntSeederKey, cntLeecherKey, cntInfoHashKey = cnt4SeederKey, cnt4LeecherKey, cnt4InfoHashKey
ihSummaryKey, ihSeederKey, ihLeecherKey = ih4Key, ih4SeederKey, ih4LeecherKey
}
infoHashKeys, err := ps.con.SMembers(ps.ctx, ihSummaryKey).Result()
err = asNil(err)
if err == nil {
for _, infoHashKey := range infoHashKeys {
var cntKey string
var seeder bool
if seeder = strings.HasPrefix(infoHashKey, ihSeederKey); seeder {
cntKey = cntSeederKey
} else if strings.HasPrefix(infoHashKey, ihLeecherKey) {
cntKey = cntLeecherKey
} else {
log.Warn("storage: Redis: unexpected record found in info hash set", log.Fields{
"hashSet": ihSummaryKey,
"infoHashKey": infoHashKey,
})
continue
}
// list all (peer, timeout) pairs for the ih
peerList, err := ps.con.HGetAll(ps.ctx, infoHashKey).Result()
err = asNil(err)
if err == nil {
var removedPeerCount int64
for peerKey, timeStamp := range peerList {
var peer bittorrent.Peer
if peer, err = bittorrent.NewPeer(peerKey); err == nil {
if mtime, err := strconv.ParseInt(timeStamp, 10, 64); err == nil {
if mtime <= cutoffUnix {
log.Debug("storage: Redis: deleting peer", log.Fields{
"Peer": peer,
})
var count int64
count, err = ps.con.HDel(ps.ctx, infoHashKey, peerKey).Result()
err = asNil(err)
if err == nil {
removedPeerCount += count
}
}
}
if err != nil {
log.Error("storage: Redis: unable to delete info hash peer", log.Fields{
"group": group,
"infoHash": infoHash,
"peer": peer,
"key": peerKey,
"error": err,
})
}
}
// DECR seeder/leecher counter
if removedPeerCount > 0 {
var decrCounter string
if isSeeder {
decrCounter = seederCountKey(group)
} else {
decrCounter = leecherCountKey(group)
}
if err := ps.con.DecrBy(ps.ctx, decrCounter, removedPeerCount).Err(); err != nil {
log.Error("storage: Redis: unable to decrement seeder/leecher peer count", log.Fields{
"group": group,
"infoHash": infoHash,
"key": decrCounter,
"error": err,
})
}
}
// use WATCH to avoid race condition
// https://redis.io/topics/transactions
err = asNil(ps.con.Watch(ps.ctx, func(tx *redis.Tx) (err error) {
var infoHashCount int64
infoHashCount, err = ps.con.HLen(ps.ctx, infoHash).Result()
err = asNil(err)
if err == nil && infoHashCount == 0 {
// Empty hashes are not shown among existing keys,
// in other words, it's removed automatically after `HDEL` the last field.
// _, err := ps.con.Del(ps.ctx, infoHash)
var deletedCount int64
deletedCount, err = ps.con.HDel(ps.ctx, group, infoHash).Result()
err = asNil(err)
if err == nil && isSeeder && deletedCount > 0 {
err = ps.con.Decr(ps.ctx, infoHashCountKey(group)).Err()
}
}
return err
}, infoHash))
if err != nil {
log.Error("storage: Redis: unable to clean info hash records", log.Fields{
"group": group,
"infoHash": infoHash,
"error": err,
log.Error("storage: Redis: unable to delete info hash peer", log.Fields{
"hashSet": ihSummaryKey,
"infoHashKey": infoHashKey,
"peer": peer,
"key": peerKey,
"error": err,
})
}
} else {
log.Error("storage: Redis: unable to fetch info hash peers", log.Fields{
"group": group,
"infoHash": infoHash,
"error": err,
}
// DECR seeder/leecher counter
if removedPeerCount > 0 {
if err := ps.con.DecrBy(ps.ctx, cntKey, removedPeerCount).Err(); err != nil {
log.Error("storage: Redis: unable to decrement seeder/leecher peer count", log.Fields{
"hashSet": ihSummaryKey,
"infoHashKey": infoHashKey,
"key": cntKey,
"error": err,
})
}
}
// use WATCH to avoid race condition
// https://redis.io/topics/transactions
err = asNil(ps.con.Watch(ps.ctx, func(tx *redis.Tx) (err error) {
var infoHashCount int64
infoHashCount, err = ps.con.HLen(ps.ctx, infoHashKey).Result()
err = asNil(err)
if err == nil && infoHashCount == 0 {
// Empty hashes are not shown among existing keys,
// in other words, it's removed automatically after `HDEL` the last field.
// _, err := ps.con.Del(ps.ctx, infoHashKey)
var deletedCount int64
deletedCount, err = ps.con.SRem(ps.ctx, ihSummaryKey, infoHashKey).Result()
err = asNil(err)
if err == nil && seeder && deletedCount > 0 {
err = ps.con.Decr(ps.ctx, cntInfoHashKey).Err()
}
}
return err
}, infoHashKey))
if err != nil {
log.Error("storage: Redis: unable to clean info hash records", log.Fields{
"hashSet": ihSummaryKey,
"infoHashKey": infoHashKey,
"error": err,
})
}
} else {
log.Error("storage: Redis: unable to fetch info hash peers", log.Fields{
"hashSet": ihSummaryKey,
"infoHashKey": infoHashKey,
"error": err,
})
}
} else {
log.Error("storage: Redis: unable to fetch info hashes", log.Fields{"group": group, "error": err})
}
} else {
log.Error("storage: Redis: unable to fetch info hash set", log.Fields{"hashSet": ihSummaryKey, "error": err})
}
duration := time.Since(start).Milliseconds()
log.Debug("storage: recordGCDuration", log.Fields{"timeTaken(ms)": duration})
storage.PromGCDurationMilliseconds.Observe(float64(duration))
}
func (ps *store) Stop() stop.Result {
+8 -8
View File
@@ -55,33 +55,33 @@ var ErrDriverDoesNotExist = errors.New("peer store driver with that name does no
type Storage interface {
// PutSeeder adds a Seeder to the Swarm identified by the provided
// InfoHash.
PutSeeder(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
PutSeeder(infoHash bittorrent.InfoHash, peer 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 returns
// ErrResourceDoesNotExist.
DeleteSeeder(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
DeleteSeeder(infoHash bittorrent.InfoHash, peer bittorrent.Peer) error
// PutLeecher adds a Leecher to the Swarm identified by the provided
// InfoHash.
// If the Swarm does not exist already, it is created.
PutLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
PutLeecher(infoHash bittorrent.InfoHash, peer 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 returns
// ErrResourceDoesNotExist.
DeleteLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
DeleteLeecher(infoHash bittorrent.InfoHash, peer 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 or the swarm does not exist
// already, the Peer is added as a Seeder and no error is returned.
GraduateLeecher(infoHash bittorrent.InfoHash, p bittorrent.Peer) error
GraduateLeecher(infoHash bittorrent.InfoHash, peer bittorrent.Peer) error
// AnnouncePeers is a best effort attempt to return Peers from the Swarm
// identified by the provided InfoHash.
@@ -98,7 +98,7 @@ type Storage interface {
// 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)
AnnouncePeers(infoHash bittorrent.InfoHash, seeder bool, numWant int, peer bittorrent.Peer) (peers []bittorrent.Peer, err error)
// ScrapeSwarm returns information required to answer a Scrape request
// about a Swarm identified by the given InfoHash.
@@ -108,7 +108,7 @@ type Storage interface {
// filling the Snatches field is optional.
//
// If the Swarm does not exist, an empty Scrape and no error is returned.
ScrapeSwarm(infoHash bittorrent.InfoHash, addressFamily bittorrent.AddressFamily) bittorrent.Scrape
ScrapeSwarm(infoHash bittorrent.InfoHash, peer bittorrent.Peer) bittorrent.Scrape
// Put used to place arbitrary k-v data with specified context
// into storage. ctx parameter used to group data
@@ -117,7 +117,7 @@ type Storage interface {
// BulkPut used to place array of k-v data in specified context.
// Useful when several data entries should be added in single transaction/connection
BulkPut(ctx string, pairs ...Entry) error
BulkPut(ctx string, values ...Entry) error
// Contains checks if any data in specified context exist
Contains(ctx string, key string) (bool, error)
+13 -11
View File
@@ -2,13 +2,13 @@ package test
import (
"math/rand"
"net"
"net/netip"
"runtime"
"sync/atomic"
"testing"
"github.com/sot-tech/mochi/bittorrent"
"github.com/sot-tech/mochi/pkg/randseed"
_ "github.com/sot-tech/mochi/pkg/randseed"
"github.com/sot-tech/mochi/storage"
)
@@ -28,23 +28,25 @@ func generateInfoHashes() (a [1000]bittorrent.InfoHash) {
}
func generatePeers() (a [1000]bittorrent.Peer) {
r := rand.New(rand.NewSource(randseed.GenSeed()))
for i := range a {
ip := make([]byte, 4)
n, err := r.Read(ip)
n, err := rand.Read(ip)
if err != nil || n != 4 {
panic("unable to create random bytes")
}
id := [bittorrent.PeerIDLen]byte{}
n, err = r.Read(id[:])
n, err = rand.Read(id[:])
if err != nil || n != bittorrent.InfoHashV1Len {
panic("unable to create random bytes")
}
port := uint16(r.Uint32())
addr, ok := netip.AddrFromSlice(ip)
if !ok {
panic("unable to create ip from random bytes")
}
port := uint16(rand.Uint32())
a[i] = bittorrent.Peer{
ID: id,
IP: bittorrent.IP{IP: net.IP(ip), AddressFamily: bittorrent.IPv4},
Port: port,
ID: id,
AddrPort: netip.AddrPortFrom(addr, port),
}
}
@@ -442,7 +444,7 @@ func (bh *benchHolder) AnnounceSeeder1kInfoHash(b *testing.B) {
// ScrapeSwarm can run in parallel.
func (bh *benchHolder) ScrapeSwarm(b *testing.B) {
bh.runBenchmark(b, true, putPeers, func(i int, ps storage.Storage, bd *benchData) error {
ps.ScrapeSwarm(bd.infohashes[0], bittorrent.IPv4)
ps.ScrapeSwarm(bd.infohashes[0], bd.peers[0])
return nil
})
}
@@ -452,7 +454,7 @@ func (bh *benchHolder) ScrapeSwarm(b *testing.B) {
// ScrapeSwarm1kInfoHash can run in parallel.
func (bh *benchHolder) ScrapeSwarm1kInfoHash(b *testing.B) {
bh.runBenchmark(b, true, putPeers, func(i int, ps storage.Storage, bd *benchData) error {
ps.ScrapeSwarm(bd.infohashes[i%1000], bittorrent.IPv4)
ps.ScrapeSwarm(bd.infohashes[i%1000], bd.peers[0])
return nil
})
}
+8 -8
View File
@@ -34,7 +34,7 @@ func (th *testHolder) DeleteSeeder(t *testing.T) {
func (th *testHolder) PutLeecher(t *testing.T) {
for _, c := range testData {
peer := v4Peer
if c.peer.IP.AddressFamily == bittorrent.IPv6 {
if c.peer.Addr().Is6() {
peer = v6Peer
}
err := th.st.PutLeecher(c.ih, peer)
@@ -52,7 +52,7 @@ func (th *testHolder) DeleteLeecher(t *testing.T) {
func (th *testHolder) AnnouncePeers(t *testing.T) {
for _, c := range testData {
peer := v4Peer
if c.peer.IP.AddressFamily == bittorrent.IPv6 {
if c.peer.Addr().Is6() {
peer = v6Peer
}
_, err := th.st.AnnouncePeers(c.ih, false, 50, peer)
@@ -62,7 +62,7 @@ func (th *testHolder) AnnouncePeers(t *testing.T) {
func (th *testHolder) ScrapeSwarm(t *testing.T) {
for _, c := range testData {
scrape := th.st.ScrapeSwarm(c.ih, c.peer.IP.AddressFamily)
scrape := th.st.ScrapeSwarm(c.ih, c.peer)
require.Equal(t, uint32(0), scrape.Complete)
require.Equal(t, uint32(0), scrape.Incomplete)
require.Equal(t, uint32(0), scrape.Snatches)
@@ -72,7 +72,7 @@ func (th *testHolder) ScrapeSwarm(t *testing.T) {
func (th *testHolder) LeecherPutAnnounceDeleteAnnounce(t *testing.T) {
for _, c := range testData {
peer := v4Peer
if c.peer.IP.AddressFamily == bittorrent.IPv6 {
if c.peer.Addr().Is6() {
peer = v6Peer
}
err := th.st.PutLeecher(c.ih, c.peer)
@@ -87,7 +87,7 @@ func (th *testHolder) LeecherPutAnnounceDeleteAnnounce(t *testing.T) {
require.Nil(t, err)
require.True(t, containsPeer(peers, c.peer))
scrape := th.st.ScrapeSwarm(c.ih, c.peer.IP.AddressFamily)
scrape := th.st.ScrapeSwarm(c.ih, c.peer)
require.Equal(t, uint32(2), scrape.Incomplete)
require.Equal(t, uint32(0), scrape.Complete)
@@ -103,7 +103,7 @@ func (th *testHolder) LeecherPutAnnounceDeleteAnnounce(t *testing.T) {
func (th *testHolder) SeederPutAnnounceDeleteAnnounce(t *testing.T) {
for _, c := range testData {
peer := v4Peer
if c.peer.IP.AddressFamily == bittorrent.IPv6 {
if c.peer.Addr().Is6() {
peer = v6Peer
}
err := th.st.PutSeeder(c.ih, c.peer)
@@ -114,7 +114,7 @@ func (th *testHolder) SeederPutAnnounceDeleteAnnounce(t *testing.T) {
require.Nil(t, err)
require.True(t, containsPeer(peers, c.peer))
scrape := th.st.ScrapeSwarm(c.ih, c.peer.IP.AddressFamily)
scrape := th.st.ScrapeSwarm(c.ih, c.peer)
require.Equal(t, uint32(1), scrape.Incomplete)
require.Equal(t, uint32(1), scrape.Complete)
@@ -130,7 +130,7 @@ func (th *testHolder) SeederPutAnnounceDeleteAnnounce(t *testing.T) {
func (th *testHolder) LeecherPutGraduateAnnounceDeleteAnnounce(t *testing.T) {
for _, c := range testData {
peer := v4Peer
if c.peer.IP.AddressFamily == bittorrent.IPv6 {
if c.peer.Addr().Is6() {
peer = v6Peer
}
err := th.st.PutLeecher(c.ih, c.peer)
+13 -10
View File
@@ -1,33 +1,36 @@
package test
import (
"net"
"net/netip"
"github.com/sot-tech/mochi/bittorrent"
)
var (
testIh1, testIh2 bittorrent.InfoHash
testPeerID bittorrent.PeerID
testData []hashPeer
v4Peer, v6Peer bittorrent.Peer
testIh1, testIh2 bittorrent.InfoHash
testPeerID0, testPeerID1, testPeerID2, testPeerID3 bittorrent.PeerID
testData []hashPeer
v4Peer, v6Peer bittorrent.Peer
)
func init() {
testIh1, _ = bittorrent.NewInfoHash("00000000000000000001")
testIh2, _ = bittorrent.NewInfoHash("00000000000000000002")
testPeerID, _ = bittorrent.NewPeerID([]byte("00000000000000000001"))
testPeerID0, _ = bittorrent.NewPeerID([]byte("00000000000000000001"))
testPeerID1, _ = bittorrent.NewPeerID([]byte("00000000000000000002"))
testPeerID2, _ = bittorrent.NewPeerID([]byte("99999999999999999994"))
testPeerID3, _ = bittorrent.NewPeerID([]byte("99999999999999999996"))
testData = []hashPeer{
{
testIh1,
bittorrent.Peer{ID: testPeerID, Port: 1, IP: bittorrent.IP{IP: net.ParseIP("1.1.1.1").To4(), AddressFamily: bittorrent.IPv4}},
bittorrent.Peer{ID: testPeerID0, AddrPort: netip.MustParseAddrPort("1.1.1.1:1")},
},
{
testIh2,
bittorrent.Peer{ID: testPeerID, Port: 2, IP: bittorrent.IP{IP: net.ParseIP("abab::0001"), AddressFamily: bittorrent.IPv6}},
bittorrent.Peer{ID: testPeerID1, AddrPort: netip.MustParseAddrPort("[abab::0001]:2")},
},
}
v4Peer = bittorrent.Peer{ID: testPeerID, IP: bittorrent.IP{IP: net.ParseIP("99.99.99.99").To4(), AddressFamily: bittorrent.IPv4}, Port: 9994}
v6Peer = bittorrent.Peer{ID: testPeerID, IP: bittorrent.IP{IP: net.ParseIP("fc00::0001"), AddressFamily: bittorrent.IPv6}, Port: 9996}
v4Peer = bittorrent.Peer{ID: testPeerID2, AddrPort: netip.MustParseAddrPort("99.99.99.99:9994")}
v6Peer = bittorrent.Peer{ID: testPeerID3, AddrPort: netip.MustParseAddrPort("[fc00::0001]:9996")}
}