mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-19 02:12:23 +00:00
swarm: merged stream-tests migration to develop
This commit is contained in:
Fabio Barone
parent
10780e8a00
commit
b7c333faa6
7 changed files with 1310 additions and 2273 deletions
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@ -18,135 +18,73 @@ package stream
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import (
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"context"
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crand "crypto/rand"
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"encoding/binary"
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"errors"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"math/rand"
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"os"
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"sync/atomic"
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"strings"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
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p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm/network"
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"github.com/ethereum/go-ethereum/swarm/network/simulation"
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"github.com/ethereum/go-ethereum/swarm/pot"
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"github.com/ethereum/go-ethereum/swarm/state"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"github.com/ethereum/go-ethereum/swarm/storage/mock"
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"github.com/ethereum/go-ethereum/swarm/storage/mock/db"
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mockdb "github.com/ethereum/go-ethereum/swarm/storage/mock/db"
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colorable "github.com/mattn/go-colorable"
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)
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var (
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deliveries map[discover.NodeID]*Delivery
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stores map[discover.NodeID]storage.ChunkStore
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toAddr func(discover.NodeID) *network.BzzAddr
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peerCount func(discover.NodeID) int
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adapter = flag.String("adapter", "sim", "type of simulation: sim|exec|docker")
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loglevel = flag.Int("loglevel", 2, "verbosity of logs")
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nodes = flag.Int("nodes", 0, "number of nodes")
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chunks = flag.Int("chunks", 0, "number of chunks")
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useMockStore = flag.Bool("mockstore", false, "disabled mock store (default: enabled)")
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)
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longrunning = flag.Bool("longrunning", false, "do run long-running tests")
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waitKademlia = flag.Bool("waitkademlia", true, "wait for healthy kademlia before checking files availability")
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var (
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defaultSkipCheck bool
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waitPeerErrC chan error
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chunkSize = 4096
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registries map[discover.NodeID]*TestRegistry
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createStoreFunc func(id discover.NodeID, addr *network.BzzAddr) (storage.ChunkStore, error)
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getRetrieveFunc = defaultRetrieveFunc
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subscriptionCount = 0
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globalStore mock.GlobalStorer
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globalStoreDir string
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)
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bucketKeyDB = simulation.BucketKey("db")
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bucketKeyStore = simulation.BucketKey("store")
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bucketKeyFileStore = simulation.BucketKey("filestore")
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bucketKeyNetStore = simulation.BucketKey("netstore")
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bucketKeyDelivery = simulation.BucketKey("delivery")
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bucketKeyRegistry = simulation.BucketKey("registry")
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var services = adapters.Services{
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"streamer": NewStreamerService,
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"intervalsStreamer": newIntervalsStreamerService,
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}
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chunkSize = 4096
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pof = pot.DefaultPof(256)
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)
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func init() {
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flag.Parse()
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// register the Delivery service which will run as a devp2p
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// protocol when using the exec adapter
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adapters.RegisterServices(services)
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log.PrintOrigins(true)
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
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}
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func createGlobalStore() {
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var err error
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globalStoreDir, err = ioutil.TempDir("", "global.store")
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func createGlobalStore() (string, *mockdb.GlobalStore, error) {
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var globalStore *mockdb.GlobalStore
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globalStoreDir, err := ioutil.TempDir("", "global.store")
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if err != nil {
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log.Error("Error initiating global store temp directory!", "err", err)
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return
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return "", nil, err
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}
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globalStore, err = db.NewGlobalStore(globalStoreDir)
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globalStore, err = mockdb.NewGlobalStore(globalStoreDir)
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if err != nil {
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log.Error("Error initiating global store!", "err", err)
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return "", nil, err
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}
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}
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// NewStreamerService
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func NewStreamerService(ctx *adapters.ServiceContext) (node.Service, error) {
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var err error
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id := ctx.Config.ID
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addr := toAddr(id)
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kad := network.NewKademlia(addr.Over(), network.NewKadParams())
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stores[id], err = createStoreFunc(id, addr)
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if err != nil {
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return nil, err
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}
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store := stores[id].(*storage.LocalStore)
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db := storage.NewDBAPI(store)
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delivery := NewDelivery(kad, db)
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deliveries[id] = delivery
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r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
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SkipCheck: defaultSkipCheck,
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DoRetrieve: false,
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})
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RegisterSwarmSyncerServer(r, db)
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RegisterSwarmSyncerClient(r, db)
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go func() {
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waitPeerErrC <- waitForPeers(r, 1*time.Second, peerCount(id))
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}()
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fileStore := storage.NewFileStore(storage.NewNetStore(store, getRetrieveFunc(id)), storage.NewFileStoreParams())
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testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
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registries[id] = testRegistry
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return testRegistry, nil
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}
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func defaultRetrieveFunc(id discover.NodeID) func(ctx context.Context, chunk *storage.Chunk) error {
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return nil
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}
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func datadirsCleanup() {
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for _, id := range ids {
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os.RemoveAll(datadirs[id])
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}
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if globalStoreDir != "" {
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os.RemoveAll(globalStoreDir)
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}
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}
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//local stores need to be cleaned up after the sim is done
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func localStoreCleanup() {
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log.Info("Cleaning up...")
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for _, id := range ids {
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registries[id].Close()
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stores[id].Close()
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}
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log.Info("Local store cleanup done")
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return globalStoreDir, globalStore, nil
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}
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func newStreamerTester(t *testing.T) (*p2ptest.ProtocolTester, *Registry, *storage.LocalStore, func(), error) {
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@ -175,7 +113,7 @@ func newStreamerTester(t *testing.T) (*p2ptest.ProtocolTester, *Registry, *stora
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db := storage.NewDBAPI(localStore)
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delivery := NewDelivery(to, db)
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streamer := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
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SkipCheck: defaultSkipCheck,
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SkipCheck: false,
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})
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teardown := func() {
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streamer.Close()
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@ -206,33 +144,6 @@ func waitForPeers(streamer *Registry, timeout time.Duration, expectedPeers int)
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}
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}
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type roundRobinStore struct {
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index uint32
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stores []storage.ChunkStore
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}
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func newRoundRobinStore(stores ...storage.ChunkStore) *roundRobinStore {
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return &roundRobinStore{
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stores: stores,
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}
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}
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func (rrs *roundRobinStore) Get(ctx context.Context, addr storage.Address) (*storage.Chunk, error) {
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return nil, errors.New("get not well defined on round robin store")
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}
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func (rrs *roundRobinStore) Put(ctx context.Context, chunk *storage.Chunk) {
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i := atomic.AddUint32(&rrs.index, 1)
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idx := int(i) % len(rrs.stores)
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rrs.stores[idx].Put(ctx, chunk)
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}
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func (rrs *roundRobinStore) Close() {
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for _, store := range rrs.stores {
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store.Close()
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}
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}
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type TestRegistry struct {
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*Registry
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fileStore *storage.FileStore
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@ -435,15 +346,74 @@ func (s *testExternalServer) GetData(context.Context, []byte) ([]byte, error) {
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func (s *testExternalServer) Close() {}
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// Sets the global value defaultSkipCheck.
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// It should be used in test function defer to reset the global value
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// to the original value.
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//
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// defer setDefaultSkipCheck(defaultSkipCheck)
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// defaultSkipCheck = skipCheck
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//
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// This works as defer function arguments evaluations are evaluated as ususal,
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// but only the function body invocation is deferred.
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func setDefaultSkipCheck(skipCheck bool) {
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defaultSkipCheck = skipCheck
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func uploadFilesToNodes(sim *simulation.Simulation) ([]storage.Address, []string, error) {
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nodes := sim.UpNodeIDs()
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nodeCnt := len(nodes)
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log.Debug(fmt.Sprintf("Uploading %d files to nodes", nodeCnt))
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//array holding generated files
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rfiles := make([]string, nodeCnt)
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//array holding the root hashes of the files
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rootAddrs := make([]storage.Address, nodeCnt)
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var err error
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//for every node, generate a file and upload
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for i, id := range nodes {
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item, ok := sim.NodeItem(id, bucketKeyFileStore)
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if !ok {
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return nil, nil, fmt.Errorf("Error accessing localstore")
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}
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fileStore := item.(*storage.FileStore)
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//generate a file
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rfiles[i], err = generateRandomFile()
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if err != nil {
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return nil, nil, err
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}
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//store it (upload it) on the FileStore
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ctx := context.TODO()
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rk, wait, err := fileStore.Store(ctx, strings.NewReader(rfiles[i]), int64(len(rfiles[i])), false)
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log.Debug("Uploaded random string file to node")
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if err != nil {
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return nil, nil, err
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}
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err = wait(ctx)
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if err != nil {
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return nil, nil, err
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}
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rootAddrs[i] = rk
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}
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return rootAddrs, rfiles, nil
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}
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//generate a random file (string)
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func generateRandomFile() (string, error) {
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//generate a random file size between minFileSize and maxFileSize
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fileSize := rand.Intn(maxFileSize-minFileSize) + minFileSize
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log.Debug(fmt.Sprintf("Generated file with filesize %d kB", fileSize))
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b := make([]byte, fileSize*1024)
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_, err := crand.Read(b)
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if err != nil {
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log.Error("Error generating random file.", "err", err)
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return "", err
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}
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return string(b), nil
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}
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//create a local store for the given node
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func createTestLocalStorageForId(id discover.NodeID, addr *network.BzzAddr) (storage.ChunkStore, string, error) {
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var datadir string
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var err error
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datadir, err = ioutil.TempDir("", fmt.Sprintf("syncer-test-%s", id.TerminalString()))
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if err != nil {
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return nil, "", err
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}
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var store storage.ChunkStore
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params := storage.NewDefaultLocalStoreParams()
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params.ChunkDbPath = datadir
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params.BaseKey = addr.Over()
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store, err = storage.NewTestLocalStoreForAddr(params)
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if err != nil {
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os.RemoveAll(datadir)
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return nil, "", err
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}
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return store, datadir, nil
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}
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@ -22,18 +22,20 @@ import (
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crand "crypto/rand"
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"fmt"
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"io"
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"os"
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"sync"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/simulations"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
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p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm/log"
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"github.com/ethereum/go-ethereum/swarm/network"
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streamTesting "github.com/ethereum/go-ethereum/swarm/network/stream/testing"
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"github.com/ethereum/go-ethereum/swarm/network/simulation"
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"github.com/ethereum/go-ethereum/swarm/state"
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"github.com/ethereum/go-ethereum/swarm/storage"
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)
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@ -308,159 +310,151 @@ func TestDeliveryFromNodes(t *testing.T) {
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}
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func testDeliveryFromNodes(t *testing.T, nodes, conns, chunkCount int, skipCheck bool) {
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defaultSkipCheck = skipCheck
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toAddr = network.NewAddrFromNodeID
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createStoreFunc = createTestLocalStorageFromSim
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conf := &streamTesting.RunConfig{
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Adapter: *adapter,
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NodeCount: nodes,
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ConnLevel: conns,
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ToAddr: toAddr,
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Services: services,
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EnableMsgEvents: false,
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}
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sim := simulation.New(map[string]simulation.ServiceFunc{
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"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
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sim, teardown, err := streamTesting.NewSimulation(conf)
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var rpcSubscriptionsWg sync.WaitGroup
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defer func() {
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rpcSubscriptionsWg.Wait()
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teardown()
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}()
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if err != nil {
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t.Fatal(err.Error())
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}
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stores = make(map[discover.NodeID]storage.ChunkStore)
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for i, id := range sim.IDs {
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stores[id] = sim.Stores[i]
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}
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registries = make(map[discover.NodeID]*TestRegistry)
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deliveries = make(map[discover.NodeID]*Delivery)
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peerCount = func(id discover.NodeID) int {
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if sim.IDs[0] == id || sim.IDs[nodes-1] == id {
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return 1
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}
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return 2
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}
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// here we distribute chunks of a random file into Stores of nodes 1 to nodes
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rrFileStore := storage.NewFileStore(newRoundRobinStore(sim.Stores[1:]...), storage.NewFileStoreParams())
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size := chunkCount * chunkSize
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ctx := context.TODO()
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fileHash, wait, err := rrFileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
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// wait until all chunks stored
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if err != nil {
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t.Fatal(err.Error())
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}
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err = wait(ctx)
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if err != nil {
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t.Fatal(err.Error())
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}
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errc := make(chan error, 1)
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waitPeerErrC = make(chan error)
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quitC := make(chan struct{})
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defer close(quitC)
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action := func(ctx context.Context) error {
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// each node Subscribes to each other's swarmChunkServerStreamName
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// need to wait till an aynchronous process registers the peers in streamer.peers
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// that is used by Subscribe
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// using a global err channel to share betweem action and node service
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i := 0
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for err := range waitPeerErrC {
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id := ctx.Config.ID
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addr := network.NewAddrFromNodeID(id)
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store, datadir, err := createTestLocalStorageForId(id, addr)
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if err != nil {
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return fmt.Errorf("error waiting for peers: %s", err)
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return nil, nil, err
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}
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i++
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if i == nodes {
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break
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bucket.Store(bucketKeyStore, store)
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cleanup = func() {
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os.RemoveAll(datadir)
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store.Close()
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}
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localStore := store.(*storage.LocalStore)
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db := storage.NewDBAPI(localStore)
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kad := network.NewKademlia(addr.Over(), network.NewKadParams())
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delivery := NewDelivery(kad, db)
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r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
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SkipCheck: skipCheck,
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DoRetrieve: false,
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})
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RegisterSwarmSyncerServer(r, db)
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RegisterSwarmSyncerClient(r, db)
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retrieveFunc := func(ctx context.Context, chunk *storage.Chunk) error {
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return delivery.RequestFromPeers(ctx, chunk.Addr[:], skipCheck)
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}
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netStore := storage.NewNetStore(localStore, retrieveFunc)
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fileStore := storage.NewFileStore(netStore, storage.NewFileStoreParams())
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bucket.Store(bucketKeyFileStore, fileStore)
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testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
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return testRegistry, cleanup, nil
|
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|
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},
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})
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defer sim.Close()
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log.Info("Adding nodes to simulation")
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_, err := sim.AddNodesAndConnectFull(nodes)
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if err != nil {
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t.Fatal(err)
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}
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log.Info("Starting simulation")
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ctx := context.Background()
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result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
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nodeIDs := sim.UpNodeIDs()
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// create a retriever FileStore for the pivot node
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log.Debug("Selecting pivot node")
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//select first node
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node := nodeIDs[0]
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item, ok := sim.NodeItem(node, bucketKeyFileStore)
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if !ok {
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return fmt.Errorf("No filestore")
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}
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fileStore := item.(*storage.FileStore)
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size := chunkCount * chunkSize
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log.Debug("Storing data to file store")
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fileHash, wait, err := fileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
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// wait until all chunks stored
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// each node subscribes to the upstream swarm chunk server stream
|
||||
// which responds to chunk retrieve requests all but the last node in the chain does not
|
||||
for j := 0; j < nodes-1; j++ {
|
||||
id := sim.IDs[j]
|
||||
err := sim.CallClient(id, func(client *rpc.Client) error {
|
||||
doneC, err := streamTesting.WatchDisconnections(id, client, errc, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-doneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
|
||||
defer cancel()
|
||||
sid := sim.IDs[j+1]
|
||||
return client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream(swarmChunkServerStreamName, "", false), NewRange(0, 0), Top)
|
||||
})
|
||||
for j := 0; j < len(nodeIDs)-1; j++ {
|
||||
client, err := sim.Net.GetNode(nodeIDs[j]).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
|
||||
defer cancel()
|
||||
sid := nodeIDs[j+1]
|
||||
client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream(swarmChunkServerStreamName, "", false), NewRange(0, 0), Top)
|
||||
}
|
||||
// create a retriever FileStore for the pivot node
|
||||
delivery := deliveries[sim.IDs[0]]
|
||||
retrieveFunc := func(ctx context.Context, chunk *storage.Chunk) error {
|
||||
return delivery.RequestFromPeers(ctx, chunk.Addr[:], skipCheck)
|
||||
}
|
||||
netStore := storage.NewNetStore(sim.Stores[0].(*storage.LocalStore), retrieveFunc)
|
||||
fileStore := storage.NewFileStore(netStore, storage.NewFileStoreParams())
|
||||
|
||||
log.Debug("Starting retrieval routine")
|
||||
go func() {
|
||||
// start the retrieval on the pivot node - this will spawn retrieve requests for missing chunks
|
||||
// we must wait for the peer connections to have started before requesting
|
||||
n, err := readAll(fileStore, fileHash)
|
||||
log.Info(fmt.Sprintf("retrieved %v", fileHash), "read", n, "err", err)
|
||||
if err != nil {
|
||||
errc <- fmt.Errorf("requesting chunks action error: %v", err)
|
||||
t.Fatalf("requesting chunks action error: %v", err)
|
||||
}
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
select {
|
||||
case err := <-errc:
|
||||
return false, err
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
default:
|
||||
|
||||
log.Debug("Waiting for kademlia")
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
log.Debug("Watching for disconnections")
|
||||
disconnections := sim.PeerEvents(
|
||||
context.Background(),
|
||||
sim.NodeIDs(),
|
||||
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
||||
)
|
||||
|
||||
go func() {
|
||||
for d := range disconnections {
|
||||
if d.Error != nil {
|
||||
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
||||
t.Fatal(d.Error)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
log.Debug("Check retrieval")
|
||||
allSuccess := true
|
||||
id := nodeIDs[0]
|
||||
client, err := sim.Net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var total int64
|
||||
err := sim.CallClient(id, func(client *rpc.Client) error {
|
||||
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
||||
defer cancel()
|
||||
return client.CallContext(ctx, &total, "stream_readAll", common.BytesToHash(fileHash))
|
||||
})
|
||||
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
||||
defer cancel()
|
||||
err = client.CallContext(ctx, &total, "stream_readAll", common.BytesToHash(fileHash))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
log.Info(fmt.Sprintf("check if %08x is available locally: number of bytes read %v/%v (error: %v)", fileHash, total, size, err))
|
||||
if err != nil || total != int64(size) {
|
||||
return false, nil
|
||||
allSuccess = false
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
conf.Step = &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: streamTesting.Trigger(10*time.Millisecond, quitC, sim.IDs[0]),
|
||||
// we are only testing the pivot node (net.Nodes[0])
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: sim.IDs[0:1],
|
||||
Check: check,
|
||||
},
|
||||
}
|
||||
startedAt := time.Now()
|
||||
timeout := 300 * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
result, err := sim.Run(ctx, conf)
|
||||
finishedAt := time.Now()
|
||||
if err != nil {
|
||||
t.Fatalf("Setting up simulation failed: %v", err)
|
||||
}
|
||||
if !allSuccess {
|
||||
return fmt.Errorf("Test failed, chunks not available on all nodes")
|
||||
}
|
||||
log.Debug("Test terminated successfully")
|
||||
return nil
|
||||
})
|
||||
if result.Error != nil {
|
||||
t.Fatalf("Simulation failed: %s", result.Error)
|
||||
t.Fatal(result.Error)
|
||||
}
|
||||
streamTesting.CheckResult(t, result, startedAt, finishedAt)
|
||||
}
|
||||
|
||||
func BenchmarkDeliveryFromNodesWithoutCheck(b *testing.B) {
|
||||
|
|
@ -490,218 +484,152 @@ func BenchmarkDeliveryFromNodesWithCheck(b *testing.B) {
|
|||
}
|
||||
|
||||
func benchmarkDeliveryFromNodes(b *testing.B, nodes, conns, chunkCount int, skipCheck bool) {
|
||||
defaultSkipCheck = skipCheck
|
||||
toAddr = network.NewAddrFromNodeID
|
||||
createStoreFunc = createTestLocalStorageFromSim
|
||||
registries = make(map[discover.NodeID]*TestRegistry)
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
timeout := 300 * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
|
||||
conf := &streamTesting.RunConfig{
|
||||
Adapter: *adapter,
|
||||
NodeCount: nodes,
|
||||
ConnLevel: conns,
|
||||
ToAddr: toAddr,
|
||||
Services: services,
|
||||
EnableMsgEvents: false,
|
||||
}
|
||||
sim, teardown, err := streamTesting.NewSimulation(conf)
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
defer func() {
|
||||
rpcSubscriptionsWg.Wait()
|
||||
teardown()
|
||||
}()
|
||||
if err != nil {
|
||||
b.Fatal(err.Error())
|
||||
}
|
||||
|
||||
stores = make(map[discover.NodeID]storage.ChunkStore)
|
||||
deliveries = make(map[discover.NodeID]*Delivery)
|
||||
for i, id := range sim.IDs {
|
||||
stores[id] = sim.Stores[i]
|
||||
}
|
||||
peerCount = func(id discover.NodeID) int {
|
||||
if sim.IDs[0] == id || sim.IDs[nodes-1] == id {
|
||||
return 1
|
||||
}
|
||||
return 2
|
||||
}
|
||||
// wait channel for all nodes all peer connections to set up
|
||||
waitPeerErrC = make(chan error)
|
||||
|
||||
// create a FileStore for the last node in the chain which we are gonna write to
|
||||
remoteFileStore := storage.NewFileStore(sim.Stores[nodes-1], storage.NewFileStoreParams())
|
||||
|
||||
// channel to signal simulation initialisation with action call complete
|
||||
// or node disconnections
|
||||
disconnectC := make(chan error)
|
||||
quitC := make(chan struct{})
|
||||
|
||||
initC := make(chan error)
|
||||
|
||||
action := func(ctx context.Context) error {
|
||||
// each node Subscribes to each other's swarmChunkServerStreamName
|
||||
// need to wait till an aynchronous process registers the peers in streamer.peers
|
||||
// that is used by Subscribe
|
||||
// waitPeerErrC using a global err channel to share betweem action and node service
|
||||
i := 0
|
||||
for err := range waitPeerErrC {
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("error waiting for peers: %s", err)
|
||||
return nil, nil, err
|
||||
}
|
||||
i++
|
||||
if i == nodes {
|
||||
break
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
os.RemoveAll(datadir)
|
||||
store.Close()
|
||||
}
|
||||
}
|
||||
var err error
|
||||
// each node except the last one subscribes to the upstream swarm chunk server stream
|
||||
// which responds to chunk retrieve requests
|
||||
for j := 0; j < nodes-1; j++ {
|
||||
id := sim.IDs[j]
|
||||
err = sim.CallClient(id, func(client *rpc.Client) error {
|
||||
doneC, err := streamTesting.WatchDisconnections(id, client, disconnectC, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-doneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
|
||||
defer cancel()
|
||||
sid := sim.IDs[j+1] // the upstream peer's id
|
||||
return client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream(swarmChunkServerStreamName, "", false), NewRange(0, 0), Top)
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: skipCheck,
|
||||
DoRetrieve: false,
|
||||
DoSync: true,
|
||||
SyncUpdateDelay: 0,
|
||||
})
|
||||
if err != nil {
|
||||
break
|
||||
RegisterSwarmSyncerServer(r, db)
|
||||
RegisterSwarmSyncerClient(r, db)
|
||||
|
||||
retrieveFunc := func(ctx context.Context, chunk *storage.Chunk) error {
|
||||
return delivery.RequestFromPeers(ctx, chunk.Addr[:], skipCheck)
|
||||
}
|
||||
}
|
||||
initC <- err
|
||||
return nil
|
||||
}
|
||||
netStore := storage.NewNetStore(localStore, retrieveFunc)
|
||||
bucket.Store(bucketKeyNetStore, netStore)
|
||||
fileStore := storage.NewFileStore(netStore, storage.NewFileStoreParams())
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
|
||||
// the check function is only triggered when the benchmark finishes
|
||||
trigger := make(chan discover.NodeID)
|
||||
check := func(ctx context.Context, id discover.NodeID) (_ bool, err error) {
|
||||
return true, nil
|
||||
}
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
conf.Step = &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: trigger,
|
||||
// we are only testing the pivot node (net.Nodes[0])
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: sim.IDs[0:1],
|
||||
Check: check,
|
||||
},
|
||||
}
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
// run the simulation in the background
|
||||
errc := make(chan error)
|
||||
go func() {
|
||||
_, err := sim.Run(ctx, conf)
|
||||
close(quitC)
|
||||
errc <- err
|
||||
}()
|
||||
|
||||
// wait for simulation action to complete stream subscriptions
|
||||
err = <-initC
|
||||
log.Info("Initializing test config")
|
||||
_, err := sim.AddNodesAndConnectFull(nodes)
|
||||
if err != nil {
|
||||
b.Fatalf("simulation failed to initialise. expected no error. got %v", err)
|
||||
b.Fatal(err)
|
||||
}
|
||||
|
||||
// create a retriever FileStore for the pivot node
|
||||
// by now deliveries are set for each node by the streamer service
|
||||
delivery := deliveries[sim.IDs[0]]
|
||||
retrieveFunc := func(ctx context.Context, chunk *storage.Chunk) error {
|
||||
return delivery.RequestFromPeers(ctx, chunk.Addr[:], skipCheck)
|
||||
}
|
||||
netStore := storage.NewNetStore(sim.Stores[0].(*storage.LocalStore), retrieveFunc)
|
||||
ctx := context.Background()
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
node := nodeIDs[len(nodeIDs)-1]
|
||||
|
||||
// benchmark loop
|
||||
b.ResetTimer()
|
||||
b.StopTimer()
|
||||
Loop:
|
||||
for i := 0; i < b.N; i++ {
|
||||
// uploading chunkCount random chunks to the last node
|
||||
hashes := make([]storage.Address, chunkCount)
|
||||
for i := 0; i < chunkCount; i++ {
|
||||
// create actual size real chunks
|
||||
ctx := context.TODO()
|
||||
hash, wait, err := remoteFileStore.Store(ctx, io.LimitReader(crand.Reader, int64(chunkSize)), int64(chunkSize), false)
|
||||
if err != nil {
|
||||
b.Fatalf("expected no error. got %v", err)
|
||||
}
|
||||
// wait until all chunks stored
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
b.Fatalf("expected no error. got %v", err)
|
||||
}
|
||||
// collect the hashes
|
||||
hashes[i] = hash
|
||||
item, ok := sim.NodeItem(node, bucketKeyFileStore)
|
||||
if !ok {
|
||||
b.Fatal("No filestore")
|
||||
}
|
||||
// now benchmark the actual retrieval
|
||||
// netstore.Get is called for each hash in a go routine and errors are collected
|
||||
b.StartTimer()
|
||||
errs := make(chan error)
|
||||
for _, hash := range hashes {
|
||||
go func(h storage.Address) {
|
||||
_, err := netStore.Get(ctx, h)
|
||||
log.Warn("test check netstore get", "hash", h, "err", err)
|
||||
errs <- err
|
||||
}(hash)
|
||||
remoteFileStore := item.(*storage.FileStore)
|
||||
|
||||
pivotNode := nodeIDs[0]
|
||||
item, ok = sim.NodeItem(pivotNode, bucketKeyNetStore)
|
||||
if !ok {
|
||||
b.Fatal("No filestore")
|
||||
}
|
||||
// count and report retrieval errors
|
||||
// if there are misses then chunk timeout is too low for the distance and volume (?)
|
||||
var total, misses int
|
||||
for err := range errs {
|
||||
if err != nil {
|
||||
log.Warn(err.Error())
|
||||
misses++
|
||||
}
|
||||
total++
|
||||
if total == chunkCount {
|
||||
break
|
||||
netStore := item.(*storage.NetStore)
|
||||
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
disconnections := sim.PeerEvents(
|
||||
context.Background(),
|
||||
sim.NodeIDs(),
|
||||
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
||||
)
|
||||
|
||||
go func() {
|
||||
for d := range disconnections {
|
||||
if d.Error != nil {
|
||||
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
||||
b.Fatal(d.Error)
|
||||
}
|
||||
}
|
||||
}()
|
||||
// benchmark loop
|
||||
b.ResetTimer()
|
||||
b.StopTimer()
|
||||
Loop:
|
||||
for i := 0; i < b.N; i++ {
|
||||
// uploading chunkCount random chunks to the last node
|
||||
hashes := make([]storage.Address, chunkCount)
|
||||
for i := 0; i < chunkCount; i++ {
|
||||
// create actual size real chunks
|
||||
ctx := context.TODO()
|
||||
hash, wait, err := remoteFileStore.Store(ctx, io.LimitReader(crand.Reader, int64(chunkSize)), int64(chunkSize), false)
|
||||
if err != nil {
|
||||
b.Fatalf("expected no error. got %v", err)
|
||||
}
|
||||
// wait until all chunks stored
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
b.Fatalf("expected no error. got %v", err)
|
||||
}
|
||||
// collect the hashes
|
||||
hashes[i] = hash
|
||||
}
|
||||
// now benchmark the actual retrieval
|
||||
// netstore.Get is called for each hash in a go routine and errors are collected
|
||||
b.StartTimer()
|
||||
errs := make(chan error)
|
||||
for _, hash := range hashes {
|
||||
go func(h storage.Address) {
|
||||
_, err := netStore.Get(ctx, h)
|
||||
log.Warn("test check netstore get", "hash", h, "err", err)
|
||||
errs <- err
|
||||
}(hash)
|
||||
}
|
||||
// count and report retrieval errors
|
||||
// if there are misses then chunk timeout is too low for the distance and volume (?)
|
||||
var total, misses int
|
||||
for err := range errs {
|
||||
if err != nil {
|
||||
log.Warn(err.Error())
|
||||
misses++
|
||||
}
|
||||
total++
|
||||
if total == chunkCount {
|
||||
break
|
||||
}
|
||||
}
|
||||
b.StopTimer()
|
||||
|
||||
select {
|
||||
case err = <-disconnectC:
|
||||
if err != nil {
|
||||
if misses > 0 {
|
||||
err = fmt.Errorf("%v chunk not found out of %v", misses, total)
|
||||
break Loop
|
||||
}
|
||||
default:
|
||||
}
|
||||
|
||||
if misses > 0 {
|
||||
err = fmt.Errorf("%v chunk not found out of %v", misses, total)
|
||||
break Loop
|
||||
if err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
return nil
|
||||
})
|
||||
if result.Error != nil {
|
||||
b.Fatal(result.Error)
|
||||
}
|
||||
|
||||
select {
|
||||
case <-quitC:
|
||||
case trigger <- sim.IDs[0]:
|
||||
}
|
||||
if err == nil {
|
||||
err = <-errc
|
||||
} else {
|
||||
if e := <-errc; e != nil {
|
||||
b.Errorf("sim.Run function error: %v", e)
|
||||
}
|
||||
}
|
||||
|
||||
// benchmark over, trigger the check function to conclude the simulation
|
||||
if err != nil {
|
||||
b.Fatalf("expected no error. got %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func createTestLocalStorageFromSim(id discover.NodeID, addr *network.BzzAddr) (storage.ChunkStore, error) {
|
||||
return stores[id], nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -22,17 +22,17 @@ import (
|
|||
"encoding/binary"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/node"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
streamTesting "github.com/ethereum/go-ethereum/swarm/network/stream/testing"
|
||||
"github.com/ethereum/go-ethereum/swarm/network/simulation"
|
||||
"github.com/ethereum/go-ethereum/swarm/state"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
)
|
||||
|
|
@ -43,31 +43,6 @@ var (
|
|||
externalStreamMaxKeys uint64 = 100
|
||||
)
|
||||
|
||||
func newIntervalsStreamerService(ctx *adapters.ServiceContext) (node.Service, error) {
|
||||
id := ctx.Config.ID
|
||||
addr := toAddr(id)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
store := stores[id].(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(store)
|
||||
delivery := NewDelivery(kad, db)
|
||||
deliveries[id] = delivery
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: defaultSkipCheck,
|
||||
})
|
||||
|
||||
r.RegisterClientFunc(externalStreamName, func(p *Peer, t string, live bool) (Client, error) {
|
||||
return newTestExternalClient(db), nil
|
||||
})
|
||||
r.RegisterServerFunc(externalStreamName, func(p *Peer, t string, live bool) (Server, error) {
|
||||
return newTestExternalServer(t, externalStreamSessionAt, externalStreamMaxKeys, nil), nil
|
||||
})
|
||||
|
||||
go func() {
|
||||
waitPeerErrC <- waitForPeers(r, 1*time.Second, peerCount(id))
|
||||
}()
|
||||
return &TestExternalRegistry{r}, nil
|
||||
}
|
||||
|
||||
func TestIntervals(t *testing.T) {
|
||||
testIntervals(t, true, nil, false)
|
||||
testIntervals(t, false, NewRange(9, 26), false)
|
||||
|
|
@ -82,236 +57,229 @@ func testIntervals(t *testing.T, live bool, history *Range, skipCheck bool) {
|
|||
nodes := 2
|
||||
chunkCount := dataChunkCount
|
||||
|
||||
defer setDefaultSkipCheck(defaultSkipCheck)
|
||||
defaultSkipCheck = skipCheck
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"intervalsStreamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
toAddr = network.NewAddrFromNodeID
|
||||
conf := &streamTesting.RunConfig{
|
||||
Adapter: *adapter,
|
||||
NodeCount: nodes,
|
||||
ConnLevel: 1,
|
||||
ToAddr: toAddr,
|
||||
Services: services,
|
||||
DefaultService: "intervalsStreamer",
|
||||
}
|
||||
|
||||
sim, teardown, err := streamTesting.NewSimulation(conf)
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
defer func() {
|
||||
rpcSubscriptionsWg.Wait()
|
||||
teardown()
|
||||
}()
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
stores = make(map[discover.NodeID]storage.ChunkStore)
|
||||
deliveries = make(map[discover.NodeID]*Delivery)
|
||||
for i, id := range sim.IDs {
|
||||
stores[id] = sim.Stores[i]
|
||||
}
|
||||
|
||||
peerCount = func(id discover.NodeID) int {
|
||||
return 1
|
||||
}
|
||||
|
||||
fileStore := storage.NewFileStore(sim.Stores[0], storage.NewFileStoreParams())
|
||||
size := chunkCount * chunkSize
|
||||
ctx := context.TODO()
|
||||
_, wait, err := fileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
errc := make(chan error, 1)
|
||||
waitPeerErrC = make(chan error)
|
||||
quitC := make(chan struct{})
|
||||
defer close(quitC)
|
||||
|
||||
action := func(ctx context.Context) error {
|
||||
i := 0
|
||||
for err := range waitPeerErrC {
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("error waiting for peers: %s", err)
|
||||
return nil, nil, err
|
||||
}
|
||||
i++
|
||||
if i == nodes {
|
||||
break
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
store.Close()
|
||||
os.RemoveAll(datadir)
|
||||
}
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
id := sim.IDs[1]
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: skipCheck,
|
||||
})
|
||||
|
||||
err := sim.CallClient(id, func(client *rpc.Client) error {
|
||||
r.RegisterClientFunc(externalStreamName, func(p *Peer, t string, live bool) (Client, error) {
|
||||
return newTestExternalClient(db), nil
|
||||
})
|
||||
r.RegisterServerFunc(externalStreamName, func(p *Peer, t string, live bool) (Server, error) {
|
||||
return newTestExternalServer(t, externalStreamSessionAt, externalStreamMaxKeys, nil), nil
|
||||
})
|
||||
|
||||
sid := sim.IDs[0]
|
||||
fileStore := storage.NewFileStore(localStore, storage.NewFileStoreParams())
|
||||
bucket.Store(bucketKeyFileStore, fileStore)
|
||||
|
||||
doneC, err := streamTesting.WatchDisconnections(id, client, errc, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-doneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
ctx, cancel := context.WithTimeout(ctx, 100*time.Second)
|
||||
defer cancel()
|
||||
testRegistry := &TestExternalRegistry{r}
|
||||
|
||||
err = client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream(externalStreamName, "", live), history, Top)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
liveErrC := make(chan error)
|
||||
historyErrC := make(chan error)
|
||||
|
||||
go func() {
|
||||
if !live {
|
||||
close(liveErrC)
|
||||
return
|
||||
}
|
||||
|
||||
var err error
|
||||
defer func() {
|
||||
liveErrC <- err
|
||||
}()
|
||||
|
||||
// live stream
|
||||
liveHashesChan := make(chan []byte)
|
||||
liveSubscription, err := client.Subscribe(ctx, "stream", liveHashesChan, "getHashes", sid, NewStream(externalStreamName, "", true))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer liveSubscription.Unsubscribe()
|
||||
|
||||
i := externalStreamSessionAt
|
||||
|
||||
// we have subscribed, enable notifications
|
||||
err = client.CallContext(ctx, nil, "stream_enableNotifications", sid, NewStream(externalStreamName, "", true))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case hash := <-liveHashesChan:
|
||||
h := binary.BigEndian.Uint64(hash)
|
||||
if h != i {
|
||||
err = fmt.Errorf("expected live hash %d, got %d", i, h)
|
||||
return
|
||||
}
|
||||
i++
|
||||
if i > externalStreamMaxKeys {
|
||||
return
|
||||
}
|
||||
case err = <-liveSubscription.Err():
|
||||
return
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
if live && history == nil {
|
||||
close(historyErrC)
|
||||
return
|
||||
}
|
||||
|
||||
var err error
|
||||
defer func() {
|
||||
historyErrC <- err
|
||||
}()
|
||||
|
||||
// history stream
|
||||
historyHashesChan := make(chan []byte)
|
||||
historySubscription, err := client.Subscribe(ctx, "stream", historyHashesChan, "getHashes", sid, NewStream(externalStreamName, "", false))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer historySubscription.Unsubscribe()
|
||||
|
||||
var i uint64
|
||||
historyTo := externalStreamMaxKeys
|
||||
if history != nil {
|
||||
i = history.From
|
||||
if history.To != 0 {
|
||||
historyTo = history.To
|
||||
}
|
||||
}
|
||||
|
||||
// we have subscribed, enable notifications
|
||||
err = client.CallContext(ctx, nil, "stream_enableNotifications", sid, NewStream(externalStreamName, "", false))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case hash := <-historyHashesChan:
|
||||
h := binary.BigEndian.Uint64(hash)
|
||||
if h != i {
|
||||
err = fmt.Errorf("expected history hash %d, got %d", i, h)
|
||||
return
|
||||
}
|
||||
i++
|
||||
if i > historyTo {
|
||||
return
|
||||
}
|
||||
case err = <-historySubscription.Err():
|
||||
return
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
if err := <-liveErrC; err != nil {
|
||||
return err
|
||||
}
|
||||
if err := <-historyErrC; err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
})
|
||||
return err
|
||||
}
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
select {
|
||||
case err := <-errc:
|
||||
return false, err
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
default:
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
conf.Step = &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: streamTesting.Trigger(10*time.Millisecond, quitC, sim.IDs[0]),
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: sim.IDs[1:1],
|
||||
Check: check,
|
||||
},
|
||||
}
|
||||
startedAt := time.Now()
|
||||
timeout := 300 * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
result, err := sim.Run(ctx, conf)
|
||||
finishedAt := time.Now()
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
log.Info("Adding nodes to simulation")
|
||||
_, err := sim.AddNodesAndConnectFull(nodes)
|
||||
if err != nil {
|
||||
t.Fatalf("Setting up simulation failed: %v", err)
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
ctx := context.Background()
|
||||
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
storer := nodeIDs[0]
|
||||
checker := nodeIDs[1]
|
||||
|
||||
item, ok := sim.NodeItem(storer, bucketKeyFileStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No filestore")
|
||||
}
|
||||
fileStore := item.(*storage.FileStore)
|
||||
|
||||
size := chunkCount * chunkSize
|
||||
_, wait, err := fileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
if err != nil {
|
||||
log.Error("Store error: %v", "err", err)
|
||||
t.Fatal(err)
|
||||
}
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
log.Error("Wait error: %v", "err", err)
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
client, err := sim.Net.GetNode(checker).Client()
|
||||
if err != nil {
|
||||
log.Error("Get Client error: %v", "err", err)
|
||||
return err
|
||||
}
|
||||
ctx, cancel := context.WithTimeout(ctx, 100*time.Second)
|
||||
defer cancel()
|
||||
err = client.CallContext(ctx, nil, "stream_subscribeStream", storer, NewStream(externalStreamName, "", live), history, Top)
|
||||
if err != nil {
|
||||
log.Error("Stream subscribe error: %v", "err", err)
|
||||
return err
|
||||
}
|
||||
|
||||
liveErrC := make(chan error)
|
||||
historyErrC := make(chan error)
|
||||
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
log.Error("WaitKademlia error: %v", "err", err)
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
log.Debug("Watching for disconnections")
|
||||
disconnections := sim.PeerEvents(
|
||||
context.Background(),
|
||||
sim.NodeIDs(),
|
||||
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
||||
)
|
||||
|
||||
go func() {
|
||||
for d := range disconnections {
|
||||
if d.Error != nil {
|
||||
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
||||
t.Fatal(d.Error)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
if !live {
|
||||
close(liveErrC)
|
||||
return
|
||||
}
|
||||
|
||||
var err error
|
||||
defer func() {
|
||||
liveErrC <- err
|
||||
}()
|
||||
|
||||
// live stream
|
||||
liveHashesChan := make(chan []byte)
|
||||
liveSubscription, err := client.Subscribe(ctx, "stream", liveHashesChan, "getHashes", storer, NewStream(externalStreamName, "", true))
|
||||
if err != nil {
|
||||
log.Error("Subscription error: %v", "err", err)
|
||||
return
|
||||
}
|
||||
defer liveSubscription.Unsubscribe()
|
||||
i := externalStreamSessionAt
|
||||
|
||||
// we have subscribed, enable notifications
|
||||
err = client.CallContext(ctx, nil, "stream_enableNotifications", storer, NewStream(externalStreamName, "", true))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case hash := <-liveHashesChan:
|
||||
h := binary.BigEndian.Uint64(hash)
|
||||
if h != i {
|
||||
err = fmt.Errorf("expected live hash %d, got %d", i, h)
|
||||
return
|
||||
}
|
||||
i++
|
||||
if i > externalStreamMaxKeys {
|
||||
return
|
||||
}
|
||||
case err = <-liveSubscription.Err():
|
||||
return
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
if live && history == nil {
|
||||
close(historyErrC)
|
||||
return
|
||||
}
|
||||
|
||||
var err error
|
||||
defer func() {
|
||||
historyErrC <- err
|
||||
}()
|
||||
|
||||
// history stream
|
||||
historyHashesChan := make(chan []byte)
|
||||
historySubscription, err := client.Subscribe(ctx, "stream", historyHashesChan, "getHashes", storer, NewStream(externalStreamName, "", false))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer historySubscription.Unsubscribe()
|
||||
|
||||
var i uint64
|
||||
historyTo := externalStreamMaxKeys
|
||||
if history != nil {
|
||||
i = history.From
|
||||
if history.To != 0 {
|
||||
historyTo = history.To
|
||||
}
|
||||
}
|
||||
|
||||
// we have subscribed, enable notifications
|
||||
err = client.CallContext(ctx, nil, "stream_enableNotifications", storer, NewStream(externalStreamName, "", false))
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case hash := <-historyHashesChan:
|
||||
h := binary.BigEndian.Uint64(hash)
|
||||
if h != i {
|
||||
err = fmt.Errorf("expected history hash %d, got %d", i, h)
|
||||
return
|
||||
}
|
||||
i++
|
||||
if i > historyTo {
|
||||
return
|
||||
}
|
||||
case err = <-historySubscription.Err():
|
||||
return
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
if err := <-liveErrC; err != nil {
|
||||
return err
|
||||
}
|
||||
if err := <-historyErrC; err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
t.Fatalf("Simulation failed: %s", result.Error)
|
||||
t.Fatal(result.Error)
|
||||
}
|
||||
streamTesting.CheckResult(t, result, startedAt, finishedAt)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,20 +17,19 @@ package stream
|
|||
|
||||
import (
|
||||
"context"
|
||||
crand "crypto/rand"
|
||||
"fmt"
|
||||
"math/rand"
|
||||
"strings"
|
||||
"os"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/node"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
||||
"github.com/ethereum/go-ethereum/swarm/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
streamTesting "github.com/ethereum/go-ethereum/swarm/network/stream/testing"
|
||||
"github.com/ethereum/go-ethereum/swarm/network/simulation"
|
||||
"github.com/ethereum/go-ethereum/swarm/state"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
)
|
||||
|
||||
|
|
@ -40,40 +39,6 @@ const (
|
|||
maxFileSize = 40
|
||||
)
|
||||
|
||||
func initRetrievalTest() {
|
||||
//global func to get overlay address from discover ID
|
||||
toAddr = func(id discover.NodeID) *network.BzzAddr {
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
return addr
|
||||
}
|
||||
//global func to create local store
|
||||
createStoreFunc = createTestLocalStorageForId
|
||||
//local stores
|
||||
stores = make(map[discover.NodeID]storage.ChunkStore)
|
||||
//data directories for each node and store
|
||||
datadirs = make(map[discover.NodeID]string)
|
||||
//deliveries for each node
|
||||
deliveries = make(map[discover.NodeID]*Delivery)
|
||||
//global retrieve func
|
||||
getRetrieveFunc = func(id discover.NodeID) func(ctx context.Context, chunk *storage.Chunk) error {
|
||||
return func(ctx context.Context, chunk *storage.Chunk) error {
|
||||
skipCheck := true
|
||||
return deliveries[id].RequestFromPeers(ctx, chunk.Addr[:], skipCheck)
|
||||
}
|
||||
}
|
||||
//registries, map of discover.NodeID to its streamer
|
||||
registries = make(map[discover.NodeID]*TestRegistry)
|
||||
//not needed for this test but required from common_test for NewStreamService
|
||||
waitPeerErrC = make(chan error)
|
||||
//also not needed for this test but required for NewStreamService
|
||||
peerCount = func(id discover.NodeID) int {
|
||||
if ids[0] == id || ids[len(ids)-1] == id {
|
||||
return 1
|
||||
}
|
||||
return 2
|
||||
}
|
||||
}
|
||||
|
||||
//This test is a retrieval test for nodes.
|
||||
//A configurable number of nodes can be
|
||||
//provided to the test.
|
||||
|
|
@ -127,70 +92,24 @@ func TestRetrieval(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
//Every test runs 3 times, a live, a history, and a live AND history
|
||||
//Run the file retrieval test
|
||||
func fileRetrievalTest(t *testing.T, nodeCount int) {
|
||||
//test live and NO history
|
||||
log.Info("Testing live and no history", "nodeCount", nodeCount)
|
||||
live = true
|
||||
history = false
|
||||
err := runFileRetrievalTest(nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
//test history only
|
||||
log.Info("Testing history only", "nodeCount", nodeCount)
|
||||
live = false
|
||||
history = true
|
||||
err = runFileRetrievalTest(nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
//finally test live and history
|
||||
log.Info("Testing live and history", "nodeCount", nodeCount)
|
||||
live = true
|
||||
err = runFileRetrievalTest(nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
//Every test runs 3 times, a live, a history, and a live AND history
|
||||
//Run the chunks retrieval test
|
||||
func retrievalTest(t *testing.T, chunkCount int, nodeCount int) {
|
||||
//test live and NO history
|
||||
log.Info("Testing live and no history", "chunkCount", chunkCount, "nodeCount", nodeCount)
|
||||
live = true
|
||||
history = false
|
||||
err := runRetrievalTest(chunkCount, nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
//test history only
|
||||
log.Info("Testing history only", "chunkCount", chunkCount, "nodeCount", nodeCount)
|
||||
live = false
|
||||
history = true
|
||||
err = runRetrievalTest(chunkCount, nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
//finally test live and history
|
||||
log.Info("Testing live and history", "chunkCount", chunkCount, "nodeCount", nodeCount)
|
||||
live = true
|
||||
err = runRetrievalTest(chunkCount, nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
The upload is done by dependency to the global
|
||||
`live` and `history` variables;
|
||||
|
||||
If `live` is set, first stream subscriptions are established,
|
||||
then files are uploaded to nodes.
|
||||
|
||||
If `history` is enabled, first upload files, then build up subscriptions.
|
||||
|
||||
The test loads a snapshot file to construct the swarm network,
|
||||
assuming that the snapshot file identifies a healthy
|
||||
kademlia network. Nevertheless a health check runs in the
|
||||
|
|
@ -199,261 +118,139 @@ simulation's `action` function.
|
|||
The snapshot should have 'streamer' in its service list.
|
||||
*/
|
||||
func runFileRetrievalTest(nodeCount int) error {
|
||||
//for every run (live, history), int the variables
|
||||
initRetrievalTest()
|
||||
//the ids of the snapshot nodes, initiate only now as we need nodeCount
|
||||
ids = make([]discover.NodeID, nodeCount)
|
||||
//channel to check for disconnection errors
|
||||
disconnectC := make(chan error)
|
||||
//channel to close disconnection watcher routine
|
||||
quitC := make(chan struct{})
|
||||
//the test conf (using same as in `snapshot_sync_test`
|
||||
conf = &synctestConfig{}
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
os.RemoveAll(datadir)
|
||||
store.Close()
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: false,
|
||||
DoRetrieve: false,
|
||||
DoSync: true,
|
||||
SyncUpdateDelay: 0,
|
||||
})
|
||||
RegisterSwarmSyncerServer(r, db)
|
||||
RegisterSwarmSyncerClient(r, db)
|
||||
|
||||
fileStore := storage.NewFileStore(storage.NewNetStore(localStore, nil), storage.NewFileStoreParams())
|
||||
bucketKeyFileStore = simulation.BucketKey("filestore")
|
||||
bucket.Store(bucketKeyFileStore, fileStore)
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
},
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
log.Info("Initializing test config")
|
||||
_, err := sim.AddNodesAndConnectFull(3)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
conf := &synctestConfig{}
|
||||
//map of discover ID to indexes of chunks expected at that ID
|
||||
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
||||
//map of overlay address to discover ID
|
||||
conf.addrToIdMap = make(map[string]discover.NodeID)
|
||||
//array where the generated chunk hashes will be stored
|
||||
conf.hashes = make([]storage.Address, 0)
|
||||
//load nodes from the snapshot file
|
||||
net, err := initNetWithSnapshot(nodeCount)
|
||||
|
||||
err = sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
//do cleanup after test is terminated
|
||||
defer func() {
|
||||
//shutdown the snapshot network
|
||||
net.Shutdown()
|
||||
//after the test, clean up local stores initialized with createLocalStoreForId
|
||||
localStoreCleanup()
|
||||
//finally clear all data directories
|
||||
datadirsCleanup()
|
||||
}()
|
||||
//get the nodes of the network
|
||||
nodes := net.GetNodes()
|
||||
//iterate over all nodes...
|
||||
for c := 0; c < len(nodes); c++ {
|
||||
//create an array of discovery nodeIDS
|
||||
ids[c] = nodes[c].ID()
|
||||
a := network.ToOverlayAddr(ids[c].Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
conf.addrToIdMap[string(a)] = ids[c]
|
||||
}
|
||||
|
||||
//needed for healthy call
|
||||
ppmap = network.NewPeerPotMap(testMinProxBinSize, conf.addrs)
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
for _, n := range nodeIDs {
|
||||
//get the kademlia overlay address from this ID
|
||||
a := network.ToOverlayAddr(n.Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
//the proximity calculation is on overlay addr,
|
||||
//the p2p/simulations check func triggers on discover.NodeID,
|
||||
//so we need to know which overlay addr maps to which nodeID
|
||||
conf.addrToIdMap[string(a)] = n
|
||||
}
|
||||
|
||||
//an array for the random files
|
||||
var randomFiles []string
|
||||
//channel to signal when the upload has finished
|
||||
uploadFinished := make(chan struct{})
|
||||
//channel to trigger new node checks
|
||||
trigger := make(chan discover.NodeID)
|
||||
//simulation action
|
||||
action := func(ctx context.Context) error {
|
||||
//first run the health check on all nodes,
|
||||
//wait until nodes are all healthy
|
||||
ticker := time.NewTicker(200 * time.Millisecond)
|
||||
defer ticker.Stop()
|
||||
for range ticker.C {
|
||||
healthy := true
|
||||
for _, id := range ids {
|
||||
r := registries[id]
|
||||
//PeerPot for this node
|
||||
addr := common.Bytes2Hex(r.addr.OAddr)
|
||||
pp := ppmap[addr]
|
||||
//call Healthy RPC
|
||||
h := r.delivery.overlay.Healthy(pp)
|
||||
//print info
|
||||
log.Debug(r.delivery.overlay.String())
|
||||
log.Debug(fmt.Sprintf("IS HEALTHY: %t", h.GotNN && h.KnowNN && h.Full))
|
||||
if !h.GotNN || !h.Full {
|
||||
healthy = false
|
||||
break
|
||||
//an array for the random files
|
||||
var randomFiles []string
|
||||
//channel to signal when the upload has finished
|
||||
//uploadFinished := make(chan struct{})
|
||||
//channel to trigger new node checks
|
||||
|
||||
conf.hashes, randomFiles, err = uploadFilesToNodes(sim)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
||||
// or until the timeout is reached.
|
||||
allSuccess := false
|
||||
for !allSuccess {
|
||||
for _, id := range nodeIDs {
|
||||
//for each expected chunk, check if it is in the local store
|
||||
localChunks := conf.idToChunksMap[id]
|
||||
localSuccess := true
|
||||
for _, ch := range localChunks {
|
||||
//get the real chunk by the index in the index array
|
||||
chunk := conf.hashes[ch]
|
||||
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
||||
//check if the expected chunk is indeed in the localstore
|
||||
var err error
|
||||
//check on the node's FileStore (netstore)
|
||||
item, ok := sim.NodeItem(id, bucketKeyFileStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No registry")
|
||||
}
|
||||
fileStore := item.(*storage.FileStore)
|
||||
//check all chunks
|
||||
for i, hash := range conf.hashes {
|
||||
reader, _ := fileStore.Retrieve(context.TODO(), hash)
|
||||
//check that we can read the file size and that it corresponds to the generated file size
|
||||
if s, err := reader.Size(ctx, nil); err != nil || s != int64(len(randomFiles[i])) {
|
||||
allSuccess = false
|
||||
log.Warn("Retrieve error", "err", err, "hash", hash, "nodeId", id)
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("File with root hash %x successfully retrieved", hash))
|
||||
}
|
||||
}
|
||||
if err != nil {
|
||||
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
||||
localSuccess = false
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
||||
}
|
||||
}
|
||||
}
|
||||
if healthy {
|
||||
break
|
||||
allSuccess = localSuccess
|
||||
}
|
||||
}
|
||||
|
||||
if history {
|
||||
log.Info("Uploading for history")
|
||||
//If testing only history, we upload the chunk(s) first
|
||||
conf.hashes, randomFiles, err = uploadFilesToNodes(nodes)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if !allSuccess {
|
||||
return fmt.Errorf("Not all chunks succeeded!")
|
||||
}
|
||||
|
||||
//variables needed to wait for all subscriptions established before uploading
|
||||
errc := make(chan error)
|
||||
|
||||
//now setup and start event watching in order to know when we can upload
|
||||
ctx, watchCancel := context.WithTimeout(context.Background(), MaxTimeout*time.Second)
|
||||
defer watchCancel()
|
||||
|
||||
log.Info("Setting up stream subscription")
|
||||
//We need two iterations, one to subscribe to the subscription events
|
||||
//(so we know when setup phase is finished), and one to
|
||||
//actually run the stream subscriptions. We can't do it in the same iteration,
|
||||
//because while the first nodes in the loop are setting up subscriptions,
|
||||
//the latter ones have not subscribed to listen to peer events yet,
|
||||
//and then we miss events.
|
||||
|
||||
//first iteration: setup disconnection watcher and subscribe to peer events
|
||||
for j, id := range ids {
|
||||
log.Trace(fmt.Sprintf("Subscribe to subscription events: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
wsDoneC := watchSubscriptionEvents(ctx, id, client, errc, quitC)
|
||||
// doneC is nil, the error happened which is sent to errc channel, already
|
||||
if wsDoneC == nil {
|
||||
continue
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wsDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
|
||||
//watch for peers disconnecting
|
||||
wdDoneC, err := streamTesting.WatchDisconnections(id, client, disconnectC, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wdDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
}
|
||||
|
||||
//second iteration: start syncing and setup stream subscriptions
|
||||
for j, id := range ids {
|
||||
log.Trace(fmt.Sprintf("Start syncing and stream subscriptions: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//start syncing!
|
||||
var cnt int
|
||||
err = client.CallContext(ctx, &cnt, "stream_startSyncing")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//increment the number of subscriptions we need to wait for
|
||||
//by the count returned from startSyncing (SYNC subscriptions)
|
||||
subscriptionCount += cnt
|
||||
//now also add the number of RETRIEVAL_REQUEST subscriptions
|
||||
for snid := range registries[id].peers {
|
||||
subscriptionCount++
|
||||
err = client.CallContext(ctx, nil, "stream_subscribeStream", snid, NewStream(swarmChunkServerStreamName, "", false), nil, Top)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//now wait until the number of expected subscriptions has been finished
|
||||
//`watchSubscriptionEvents` will write with a `nil` value to errc
|
||||
//every time a `SubscriptionMsg` has been received
|
||||
for err := range errc {
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//`nil` received, decrement count
|
||||
subscriptionCount--
|
||||
//all subscriptions received
|
||||
if subscriptionCount == 0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
log.Info("Stream subscriptions successfully requested, action terminated")
|
||||
|
||||
if live {
|
||||
//upload generated files to nodes
|
||||
var hashes []storage.Address
|
||||
var rfiles []string
|
||||
hashes, rfiles, err = uploadFilesToNodes(nodes)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, hashes...)
|
||||
randomFiles = append(randomFiles, rfiles...)
|
||||
//signal to the trigger loop that the upload has finished
|
||||
uploadFinished <- struct{}{}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
//check defines what will be checked during the test
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
case e := <-disconnectC:
|
||||
log.Error(e.Error())
|
||||
return false, fmt.Errorf("Disconnect event detected, network unhealthy")
|
||||
default:
|
||||
}
|
||||
log.Trace(fmt.Sprintf("Checking node: %s", id))
|
||||
//if there are more than one chunk, test only succeeds if all expected chunks are found
|
||||
allSuccess := true
|
||||
|
||||
//check on the node's FileStore (netstore)
|
||||
fileStore := registries[id].fileStore
|
||||
//check all chunks
|
||||
for i, hash := range conf.hashes {
|
||||
reader, _ := fileStore.Retrieve(context.TODO(), hash)
|
||||
//check that we can read the file size and that it corresponds to the generated file size
|
||||
if s, err := reader.Size(context.TODO(), nil); err != nil || s != int64(len(randomFiles[i])) {
|
||||
allSuccess = false
|
||||
log.Warn("Retrieve error", "err", err, "hash", hash, "nodeId", id)
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("File with root hash %x successfully retrieved", hash))
|
||||
}
|
||||
}
|
||||
|
||||
return allSuccess, nil
|
||||
}
|
||||
|
||||
//for each tick, run the checks on all nodes
|
||||
timingTicker := time.NewTicker(5 * time.Second)
|
||||
defer timingTicker.Stop()
|
||||
go func() {
|
||||
//for live upload, we should wait for uploads to have finished
|
||||
//before starting to trigger the checks, due to file size
|
||||
if live {
|
||||
<-uploadFinished
|
||||
}
|
||||
for range timingTicker.C {
|
||||
for i := 0; i < len(ids); i++ {
|
||||
log.Trace(fmt.Sprintf("triggering step %d, id %s", i, ids[i]))
|
||||
trigger <- ids[i]
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
log.Info("Starting simulation run...")
|
||||
|
||||
timeout := MaxTimeout * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
|
||||
//run the simulation
|
||||
result := simulations.NewSimulation(net).Run(ctx, &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: trigger,
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: ids,
|
||||
Check: check,
|
||||
},
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
|
|
@ -466,14 +263,6 @@ func runFileRetrievalTest(nodeCount int) error {
|
|||
/*
|
||||
The test generates the given number of chunks.
|
||||
|
||||
The upload is done by dependency to the global
|
||||
`live` and `history` variables;
|
||||
|
||||
If `live` is set, first stream subscriptions are established, then
|
||||
upload to a random node.
|
||||
|
||||
If `history` is enabled, first upload then build up subscriptions.
|
||||
|
||||
The test loads a snapshot file to construct the swarm network,
|
||||
assuming that the snapshot file identifies a healthy
|
||||
kademlia network. Nevertheless a health check runs in the
|
||||
|
|
@ -482,259 +271,143 @@ simulation's `action` function.
|
|||
The snapshot should have 'streamer' in its service list.
|
||||
*/
|
||||
func runRetrievalTest(chunkCount int, nodeCount int) error {
|
||||
//for every run (live, history), int the variables
|
||||
initRetrievalTest()
|
||||
//the ids of the snapshot nodes, initiate only now as we need nodeCount
|
||||
ids = make([]discover.NodeID, nodeCount)
|
||||
//channel to check for disconnection errors
|
||||
disconnectC := make(chan error)
|
||||
//channel to close disconnection watcher routine
|
||||
quitC := make(chan struct{})
|
||||
//the test conf (using same as in `snapshot_sync_test`
|
||||
conf = &synctestConfig{}
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
os.RemoveAll(datadir)
|
||||
store.Close()
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: false,
|
||||
DoRetrieve: false,
|
||||
DoSync: true,
|
||||
SyncUpdateDelay: 0,
|
||||
})
|
||||
RegisterSwarmSyncerServer(r, db)
|
||||
RegisterSwarmSyncerClient(r, db)
|
||||
|
||||
fileStore := storage.NewFileStore(storage.NewNetStore(localStore, nil), storage.NewFileStoreParams())
|
||||
bucketKeyFileStore = simulation.BucketKey("filestore")
|
||||
bucket.Store(bucketKeyFileStore, fileStore)
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
},
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
conf := &synctestConfig{}
|
||||
//map of discover ID to indexes of chunks expected at that ID
|
||||
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
||||
//map of overlay address to discover ID
|
||||
conf.addrToIdMap = make(map[string]discover.NodeID)
|
||||
//array where the generated chunk hashes will be stored
|
||||
conf.hashes = make([]storage.Address, 0)
|
||||
//load nodes from the snapshot file
|
||||
net, err := initNetWithSnapshot(nodeCount)
|
||||
|
||||
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
//do cleanup after test is terminated
|
||||
defer func() {
|
||||
//shutdown the snapshot network
|
||||
net.Shutdown()
|
||||
//after the test, clean up local stores initialized with createLocalStoreForId
|
||||
localStoreCleanup()
|
||||
//finally clear all data directories
|
||||
datadirsCleanup()
|
||||
}()
|
||||
//get the nodes of the network
|
||||
nodes := net.GetNodes()
|
||||
//select one index at random...
|
||||
idx := rand.Intn(len(nodes))
|
||||
//...and get the the node at that index
|
||||
//this is the node selected for upload
|
||||
uploadNode := nodes[idx]
|
||||
//iterate over all nodes...
|
||||
for c := 0; c < len(nodes); c++ {
|
||||
//create an array of discovery nodeIDS
|
||||
ids[c] = nodes[c].ID()
|
||||
a := network.ToOverlayAddr(ids[c].Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
conf.addrToIdMap[string(a)] = ids[c]
|
||||
}
|
||||
|
||||
//needed for healthy call
|
||||
ppmap = network.NewPeerPotMap(testMinProxBinSize, conf.addrs)
|
||||
ctx := context.Background()
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
for _, n := range nodeIDs {
|
||||
//get the kademlia overlay address from this ID
|
||||
a := network.ToOverlayAddr(n.Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
//the proximity calculation is on overlay addr,
|
||||
//the p2p/simulations check func triggers on discover.NodeID,
|
||||
//so we need to know which overlay addr maps to which nodeID
|
||||
conf.addrToIdMap[string(a)] = n
|
||||
}
|
||||
|
||||
trigger := make(chan discover.NodeID)
|
||||
//simulation action
|
||||
action := func(ctx context.Context) error {
|
||||
//first run the health check on all nodes,
|
||||
//wait until nodes are all healthy
|
||||
ticker := time.NewTicker(200 * time.Millisecond)
|
||||
defer ticker.Stop()
|
||||
for range ticker.C {
|
||||
healthy := true
|
||||
for _, id := range ids {
|
||||
r := registries[id]
|
||||
//PeerPot for this node
|
||||
addr := common.Bytes2Hex(network.ToOverlayAddr(id.Bytes()))
|
||||
pp := ppmap[addr]
|
||||
//call Healthy RPC
|
||||
h := r.delivery.overlay.Healthy(pp)
|
||||
//print info
|
||||
log.Debug(r.delivery.overlay.String())
|
||||
log.Debug(fmt.Sprintf("IS HEALTHY: %t", h.GotNN && h.KnowNN && h.Full))
|
||||
if !h.GotNN || !h.Full {
|
||||
healthy = false
|
||||
break
|
||||
//an array for the random files
|
||||
var randomFiles []string
|
||||
//channel to signal when the upload has finished
|
||||
//uploadFinished := make(chan struct{})
|
||||
//channel to trigger new node checks
|
||||
|
||||
//select one index at random...
|
||||
idx := rand.Intn(len(nodeIDs))
|
||||
//...and get the the node at that index
|
||||
//this is the node selected for upload
|
||||
node := nodeIDs[idx]
|
||||
item, ok := sim.NodeItem(node, bucketKeyStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No localstore")
|
||||
}
|
||||
lstore := item.(*storage.LocalStore)
|
||||
conf.hashes, err = uploadFileToSingleNodeStore(node, chunkCount, lstore)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
||||
// or until the timeout is reached.
|
||||
allSuccess := false
|
||||
for !allSuccess {
|
||||
for _, id := range nodeIDs {
|
||||
//for each expected chunk, check if it is in the local store
|
||||
localChunks := conf.idToChunksMap[id]
|
||||
localSuccess := true
|
||||
for _, ch := range localChunks {
|
||||
//get the real chunk by the index in the index array
|
||||
chunk := conf.hashes[ch]
|
||||
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
||||
//check if the expected chunk is indeed in the localstore
|
||||
var err error
|
||||
//check on the node's FileStore (netstore)
|
||||
item, ok := sim.NodeItem(id, bucketKeyFileStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No registry")
|
||||
}
|
||||
fileStore := item.(*storage.FileStore)
|
||||
//check all chunks
|
||||
for i, hash := range conf.hashes {
|
||||
reader, _ := fileStore.Retrieve(context.TODO(), hash)
|
||||
//check that we can read the file size and that it corresponds to the generated file size
|
||||
if s, err := reader.Size(ctx, nil); err != nil || s != int64(len(randomFiles[i])) {
|
||||
allSuccess = false
|
||||
log.Warn("Retrieve error", "err", err, "hash", hash, "nodeId", id)
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("File with root hash %x successfully retrieved", hash))
|
||||
}
|
||||
}
|
||||
if err != nil {
|
||||
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
||||
localSuccess = false
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
||||
}
|
||||
}
|
||||
}
|
||||
if healthy {
|
||||
break
|
||||
allSuccess = localSuccess
|
||||
}
|
||||
}
|
||||
|
||||
if history {
|
||||
log.Info("Uploading for history")
|
||||
//If testing only history, we upload the chunk(s) first
|
||||
conf.hashes, err = uploadFileToSingleNodeStore(uploadNode.ID(), chunkCount)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if !allSuccess {
|
||||
return fmt.Errorf("Not all chunks succeeded!")
|
||||
}
|
||||
|
||||
//variables needed to wait for all subscriptions established before uploading
|
||||
errc := make(chan error)
|
||||
|
||||
//now setup and start event watching in order to know when we can upload
|
||||
ctx, watchCancel := context.WithTimeout(context.Background(), MaxTimeout*time.Second)
|
||||
defer watchCancel()
|
||||
|
||||
log.Info("Setting up stream subscription")
|
||||
//We need two iterations, one to subscribe to the subscription events
|
||||
//(so we know when setup phase is finished), and one to
|
||||
//actually run the stream subscriptions. We can't do it in the same iteration,
|
||||
//because while the first nodes in the loop are setting up subscriptions,
|
||||
//the latter ones have not subscribed to listen to peer events yet,
|
||||
//and then we miss events.
|
||||
|
||||
//first iteration: setup disconnection watcher and subscribe to peer events
|
||||
for j, id := range ids {
|
||||
log.Trace(fmt.Sprintf("Subscribe to subscription events: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
//check for `SubscribeMsg` events to know when setup phase is complete
|
||||
wsDoneC := watchSubscriptionEvents(ctx, id, client, errc, quitC)
|
||||
// doneC is nil, the error happened which is sent to errc channel, already
|
||||
if wsDoneC == nil {
|
||||
continue
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wsDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
|
||||
//watch for peers disconnecting
|
||||
wdDoneC, err := streamTesting.WatchDisconnections(id, client, disconnectC, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wdDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
}
|
||||
|
||||
//second iteration: start syncing and setup stream subscriptions
|
||||
for j, id := range ids {
|
||||
log.Trace(fmt.Sprintf("Start syncing and stream subscriptions: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//start syncing!
|
||||
var cnt int
|
||||
err = client.CallContext(ctx, &cnt, "stream_startSyncing")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//increment the number of subscriptions we need to wait for
|
||||
//by the count returned from startSyncing (SYNC subscriptions)
|
||||
subscriptionCount += cnt
|
||||
//now also add the number of RETRIEVAL_REQUEST subscriptions
|
||||
for snid := range registries[id].peers {
|
||||
subscriptionCount++
|
||||
err = client.CallContext(ctx, nil, "stream_subscribeStream", snid, NewStream(swarmChunkServerStreamName, "", false), nil, Top)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//now wait until the number of expected subscriptions has been finished
|
||||
//`watchSubscriptionEvents` will write with a `nil` value to errc
|
||||
//every time a `SubscriptionMsg` has been received
|
||||
for err := range errc {
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//`nil` received, decrement count
|
||||
subscriptionCount--
|
||||
//all subscriptions received
|
||||
if subscriptionCount == 0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
log.Info("Stream subscriptions successfully requested, action terminated")
|
||||
|
||||
if live {
|
||||
//now upload the chunks to the selected random single node
|
||||
chnks, err := uploadFileToSingleNodeStore(uploadNode.ID(), chunkCount)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, chnks...)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
chunkSize := storage.DefaultChunkSize
|
||||
|
||||
//check defines what will be checked during the test
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
|
||||
//don't check the uploader node
|
||||
if id == uploadNode.ID() {
|
||||
return true, nil
|
||||
}
|
||||
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
case e := <-disconnectC:
|
||||
log.Error(e.Error())
|
||||
return false, fmt.Errorf("Disconnect event detected, network unhealthy")
|
||||
default:
|
||||
}
|
||||
log.Trace(fmt.Sprintf("Checking node: %s", id))
|
||||
//if there are more than one chunk, test only succeeds if all expected chunks are found
|
||||
allSuccess := true
|
||||
|
||||
//check on the node's FileStore (netstore)
|
||||
fileStore := registries[id].fileStore
|
||||
//check all chunks
|
||||
for _, chnk := range conf.hashes {
|
||||
reader, _ := fileStore.Retrieve(context.TODO(), chnk)
|
||||
//assuming that reading the Size of the chunk is enough to know we found it
|
||||
if s, err := reader.Size(context.TODO(), nil); err != nil || s != chunkSize {
|
||||
allSuccess = false
|
||||
log.Warn("Retrieve error", "err", err, "chunk", chnk, "nodeId", id)
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %x found", chnk))
|
||||
}
|
||||
}
|
||||
return allSuccess, nil
|
||||
}
|
||||
|
||||
//for each tick, run the checks on all nodes
|
||||
timingTicker := time.NewTicker(5 * time.Second)
|
||||
defer timingTicker.Stop()
|
||||
go func() {
|
||||
for range timingTicker.C {
|
||||
for i := 0; i < len(ids); i++ {
|
||||
log.Trace(fmt.Sprintf("triggering step %d, id %s", i, ids[i]))
|
||||
trigger <- ids[i]
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
log.Info("Starting simulation run...")
|
||||
|
||||
timeout := MaxTimeout * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
|
||||
//run the simulation
|
||||
result := simulations.NewSimulation(net).Run(ctx, &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: trigger,
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: ids,
|
||||
Check: check,
|
||||
},
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
|
|
@ -743,53 +416,3 @@ func runRetrievalTest(chunkCount int, nodeCount int) error {
|
|||
|
||||
return nil
|
||||
}
|
||||
|
||||
//upload generated files to nodes
|
||||
//every node gets one file uploaded
|
||||
func uploadFilesToNodes(nodes []*simulations.Node) ([]storage.Address, []string, error) {
|
||||
nodeCnt := len(nodes)
|
||||
log.Debug(fmt.Sprintf("Uploading %d files to nodes", nodeCnt))
|
||||
//array holding generated files
|
||||
rfiles := make([]string, nodeCnt)
|
||||
//array holding the root hashes of the files
|
||||
rootAddrs := make([]storage.Address, nodeCnt)
|
||||
|
||||
var err error
|
||||
//for every node, generate a file and upload
|
||||
for i, n := range nodes {
|
||||
id := n.ID()
|
||||
fileStore := registries[id].fileStore
|
||||
//generate a file
|
||||
rfiles[i], err = generateRandomFile()
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
//store it (upload it) on the FileStore
|
||||
ctx := context.TODO()
|
||||
rk, wait, err := fileStore.Store(ctx, strings.NewReader(rfiles[i]), int64(len(rfiles[i])), false)
|
||||
log.Debug("Uploaded random string file to node")
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
err = wait(ctx)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
rootAddrs[i] = rk
|
||||
}
|
||||
return rootAddrs, rfiles, nil
|
||||
}
|
||||
|
||||
//generate a random file (string)
|
||||
func generateRandomFile() (string, error) {
|
||||
//generate a random file size between minFileSize and maxFileSize
|
||||
fileSize := rand.Intn(maxFileSize-minFileSize) + minFileSize
|
||||
log.Debug(fmt.Sprintf("Generated file with filesize %d kB", fileSize))
|
||||
b := make([]byte, fileSize*1024)
|
||||
_, err := crand.Read(b)
|
||||
if err != nil {
|
||||
log.Error("Error generating random file.", "err", err)
|
||||
return "", err
|
||||
}
|
||||
return string(b), nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -18,11 +18,8 @@ package stream
|
|||
import (
|
||||
"context"
|
||||
crand "crypto/rand"
|
||||
"encoding/json"
|
||||
"flag"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"math/rand"
|
||||
"os"
|
||||
"sync"
|
||||
|
|
@ -31,32 +28,24 @@ import (
|
|||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/node"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
streamTesting "github.com/ethereum/go-ethereum/swarm/network/stream/testing"
|
||||
"github.com/ethereum/go-ethereum/swarm/network/simulation"
|
||||
"github.com/ethereum/go-ethereum/swarm/pot"
|
||||
"github.com/ethereum/go-ethereum/swarm/state"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
mockdb "github.com/ethereum/go-ethereum/swarm/storage/mock/db"
|
||||
)
|
||||
|
||||
const testMinProxBinSize = 2
|
||||
const MaxTimeout = 600
|
||||
|
||||
var (
|
||||
pof = pot.DefaultPof(256)
|
||||
|
||||
conf *synctestConfig
|
||||
ids []discover.NodeID
|
||||
datadirs map[discover.NodeID]string
|
||||
ppmap map[string]*network.PeerPot
|
||||
|
||||
live bool
|
||||
history bool
|
||||
|
||||
longrunning = flag.Bool("longrunning", false, "do run long-running tests")
|
||||
//this global is needed to run the RPC test
|
||||
globConf *synctestConfig
|
||||
)
|
||||
|
||||
type synctestConfig struct {
|
||||
|
|
@ -71,44 +60,6 @@ func init() {
|
|||
rand.Seed(time.Now().Unix())
|
||||
}
|
||||
|
||||
//common_test needs to initialize the test in a init() func
|
||||
//in order for adapters to register the NewStreamerService;
|
||||
//this service is dependent on some global variables
|
||||
//we thus need to initialize first as init() as well.
|
||||
func initSyncTest() {
|
||||
//assign the toAddr func so NewStreamerService can build the addr
|
||||
toAddr = func(id discover.NodeID) *network.BzzAddr {
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
return addr
|
||||
}
|
||||
//global func to create local store
|
||||
if *useMockStore {
|
||||
createStoreFunc = createMockStore
|
||||
} else {
|
||||
createStoreFunc = createTestLocalStorageForId
|
||||
}
|
||||
//local stores
|
||||
stores = make(map[discover.NodeID]storage.ChunkStore)
|
||||
//data directories for each node and store
|
||||
datadirs = make(map[discover.NodeID]string)
|
||||
//deliveries for each node
|
||||
deliveries = make(map[discover.NodeID]*Delivery)
|
||||
//registries, map of discover.NodeID to its streamer
|
||||
registries = make(map[discover.NodeID]*TestRegistry)
|
||||
//not needed for this test but required from common_test for NewStreamService
|
||||
waitPeerErrC = make(chan error)
|
||||
//also not needed for this test but required for NewStreamService
|
||||
peerCount = func(id discover.NodeID) int {
|
||||
if ids[0] == id || ids[len(ids)-1] == id {
|
||||
return 1
|
||||
}
|
||||
return 2
|
||||
}
|
||||
if *useMockStore {
|
||||
createGlobalStore()
|
||||
}
|
||||
}
|
||||
|
||||
//This test is a syncing test for nodes.
|
||||
//One node is randomly selected to be the pivot node.
|
||||
//A configurable number of chunks and nodes can be
|
||||
|
|
@ -116,7 +67,7 @@ func initSyncTest() {
|
|||
//to the pivot node, and we check that nodes get the chunks
|
||||
//they are expected to store based on the syncing protocol.
|
||||
//Number of chunks and nodes can be provided via commandline too.
|
||||
func TestSyncing(t *testing.T) {
|
||||
func TestSyncingViaRegistry(t *testing.T) {
|
||||
//if nodes/chunks have been provided via commandline,
|
||||
//run the tests with these values
|
||||
if *nodes != 0 && *chunks != 0 {
|
||||
|
|
@ -144,29 +95,192 @@ func TestSyncing(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
//Do run the tests
|
||||
//Every test runs 3 times, a live, a history, and a live AND history
|
||||
func TestSyncingViaRPC(t *testing.T) {
|
||||
//if nodes/chunks have been provided via commandline,
|
||||
//run the tests with these values
|
||||
if *nodes != 0 && *chunks != 0 {
|
||||
log.Info(fmt.Sprintf("Running test with %d chunks and %d nodes...", *chunks, *nodes))
|
||||
testSyncingViaRPC(t, *chunks, *nodes)
|
||||
} else {
|
||||
var nodeCnt []int
|
||||
var chnkCnt []int
|
||||
//if the `longrunning` flag has been provided
|
||||
//run more test combinations
|
||||
if *longrunning {
|
||||
chnkCnt = []int{1, 8, 32, 256, 1024}
|
||||
nodeCnt = []int{16, 32, 64, 128, 256}
|
||||
} else {
|
||||
//default test
|
||||
chnkCnt = []int{4, 32}
|
||||
nodeCnt = []int{32, 16}
|
||||
}
|
||||
for _, chnk := range chnkCnt {
|
||||
for _, n := range nodeCnt {
|
||||
log.Info(fmt.Sprintf("Long running test with %d chunks and %d nodes...", chnk, n))
|
||||
testSyncingViaRPC(t, chnk, n)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func testSyncing(t *testing.T, chunkCount int, nodeCount int) {
|
||||
//test live and NO history
|
||||
log.Info("Testing live and no history")
|
||||
live = true
|
||||
history = false
|
||||
err := runSyncTest(chunkCount, nodeCount, live, history)
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
os.RemoveAll(datadir)
|
||||
store.Close()
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: false,
|
||||
DoRetrieve: false,
|
||||
DoSync: true,
|
||||
SyncUpdateDelay: 3 * time.Second,
|
||||
})
|
||||
RegisterSwarmSyncerServer(r, db)
|
||||
RegisterSwarmSyncerClient(r, db)
|
||||
|
||||
fileStore := storage.NewFileStore(storage.NewNetStore(localStore, nil), storage.NewFileStoreParams())
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
},
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
log.Info("Initializing test config")
|
||||
|
||||
ctx := context.Background()
|
||||
|
||||
conf := &synctestConfig{}
|
||||
//map of discover ID to indexes of chunks expected at that ID
|
||||
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
||||
//map of overlay address to discover ID
|
||||
conf.addrToIdMap = make(map[string]discover.NodeID)
|
||||
//array where the generated chunk hashes will be stored
|
||||
conf.hashes = make([]storage.Address, 0)
|
||||
|
||||
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
//test history only
|
||||
log.Info("Testing history only")
|
||||
live = false
|
||||
history = true
|
||||
err = runSyncTest(chunkCount, nodeCount, live, history)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
for _, n := range nodeIDs {
|
||||
//get the kademlia overlay address from this ID
|
||||
a := network.ToOverlayAddr(n.Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
//the proximity calculation is on overlay addr,
|
||||
//the p2p/simulations check func triggers on discover.NodeID,
|
||||
//so we need to know which overlay addr maps to which nodeID
|
||||
conf.addrToIdMap[string(a)] = n
|
||||
}
|
||||
|
||||
//select one index at random...
|
||||
idx := rand.Intn(len(nodeIDs))
|
||||
//...and get the the node at that index
|
||||
//this is the node selected for upload
|
||||
node := nodeIDs[idx]
|
||||
item, ok := sim.NodeItem(node, bucketKeyStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No localstore")
|
||||
}
|
||||
lstore := item.(*storage.LocalStore)
|
||||
hashes, err := uploadFileToSingleNodeStore(node, chunkCount, lstore)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, hashes...)
|
||||
mapKeysToNodes(conf)
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
||||
// or until the timeout is reached.
|
||||
allSuccess := false
|
||||
var gDir string
|
||||
var globalStore *mockdb.GlobalStore
|
||||
if *useMockStore {
|
||||
gDir, globalStore, err = createGlobalStore()
|
||||
if err != nil {
|
||||
//return false, fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
||||
return fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
||||
}
|
||||
defer func() {
|
||||
os.RemoveAll(gDir)
|
||||
err := globalStore.Close()
|
||||
if err != nil {
|
||||
log.Error("Error closing global store! %v", "err", err)
|
||||
}
|
||||
}()
|
||||
}
|
||||
for !allSuccess {
|
||||
for _, id := range nodeIDs {
|
||||
//log.Trace("file uploaded", "node", id, "key", key.String())
|
||||
//for each expected chunk, check if it is in the local store
|
||||
localChunks := conf.idToChunksMap[id]
|
||||
localSuccess := true
|
||||
for _, ch := range localChunks {
|
||||
//get the real chunk by the index in the index array
|
||||
chunk := conf.hashes[ch]
|
||||
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
||||
//check if the expected chunk is indeed in the localstore
|
||||
var err error
|
||||
if *useMockStore {
|
||||
//use the globalStore if the mockStore should be used; in that case,
|
||||
//the complete localStore stack is bypassed for getting the chunk
|
||||
_, err = globalStore.Get(common.BytesToAddress(id.Bytes()), chunk)
|
||||
} else {
|
||||
//use the actual localstore
|
||||
item, ok := sim.NodeItem(id, bucketKeyStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("Error accessing localstore")
|
||||
}
|
||||
lstore := item.(*storage.LocalStore)
|
||||
_, err = lstore.Get(ctx, chunk)
|
||||
}
|
||||
if err != nil {
|
||||
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
||||
localSuccess = false
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
||||
}
|
||||
}
|
||||
allSuccess = localSuccess
|
||||
}
|
||||
}
|
||||
if !allSuccess {
|
||||
return fmt.Errorf("Not all chunks succeeded!")
|
||||
}
|
||||
return nil
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
t.Fatal(result.Error)
|
||||
}
|
||||
//finally test live and history
|
||||
log.Info("Testing live and history")
|
||||
live = true
|
||||
err = runSyncTest(chunkCount, nodeCount, live, history)
|
||||
}
|
||||
|
||||
//Do run the tests
|
||||
func testSyncingViaRPC(t *testing.T, chunkCount int, nodeCount int) {
|
||||
err := runSyncTest(chunkCount, nodeCount)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
|
@ -175,14 +289,6 @@ func testSyncing(t *testing.T, chunkCount int, nodeCount int) {
|
|||
/*
|
||||
The test generates the given number of chunks
|
||||
|
||||
The upload is done by dependency to the global
|
||||
`live` and `history` variables;
|
||||
|
||||
If `live` is set, first stream subscriptions are established, then
|
||||
upload to a random node.
|
||||
|
||||
If `history` is enabled, first upload then build up subscriptions.
|
||||
|
||||
For every chunk generated, the nearest node addresses
|
||||
are identified, we verify that the nodes closer to the
|
||||
chunk addresses actually do have the chunks in their local stores.
|
||||
|
|
@ -191,171 +297,86 @@ The test loads a snapshot file to construct the swarm network,
|
|||
assuming that the snapshot file identifies a healthy
|
||||
kademlia network. The snapshot should have 'streamer' in its service list.
|
||||
|
||||
For every test run, a series of three tests will be executed:
|
||||
- a LIVE test first, where first subscriptions are established,
|
||||
then a file (random chunks) is uploaded
|
||||
- a HISTORY test, where the file is uploaded first, and then
|
||||
the subscriptions are established
|
||||
- a crude LIVE AND HISTORY test last, where (different) chunks
|
||||
are uploaded twice, once before and once after subscriptions
|
||||
*/
|
||||
func runSyncTest(chunkCount int, nodeCount int, live bool, history bool) error {
|
||||
initSyncTest()
|
||||
//the ids of the snapshot nodes, initiate only now as we need nodeCount
|
||||
ids = make([]discover.NodeID, nodeCount)
|
||||
//initialize the test struct
|
||||
conf = &synctestConfig{}
|
||||
func runSyncTest(chunkCount int, nodeCount int) error {
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
store, datadir, err := createTestLocalStorageForId(id, addr)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
os.RemoveAll(datadir)
|
||||
store.Close()
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: false,
|
||||
DoRetrieve: false,
|
||||
DoSync: false,
|
||||
})
|
||||
RegisterSwarmSyncerServer(r, db)
|
||||
RegisterSwarmSyncerClient(r, db)
|
||||
|
||||
fileStore := storage.NewFileStore(storage.NewNetStore(localStore, nil), storage.NewFileStoreParams())
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
},
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
log.Info("Initializing test config")
|
||||
_, err := sim.AddNodesAndConnectFull(3)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
conf := &synctestConfig{}
|
||||
//map of discover ID to indexes of chunks expected at that ID
|
||||
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
||||
//map of overlay address to discover ID
|
||||
conf.addrToIdMap = make(map[string]discover.NodeID)
|
||||
//array where the generated chunk hashes will be stored
|
||||
conf.hashes = make([]storage.Address, 0)
|
||||
//channel to trigger node checks in the simulation
|
||||
trigger := make(chan discover.NodeID)
|
||||
//channel to check for disconnection errors
|
||||
disconnectC := make(chan error)
|
||||
//channel to close disconnection watcher routine
|
||||
quitC := make(chan struct{})
|
||||
|
||||
//load nodes from the snapshot file
|
||||
net, err := initNetWithSnapshot(nodeCount)
|
||||
err = sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
//do cleanup after test is terminated
|
||||
defer func() {
|
||||
// close quitC channel to signall all goroutines to clanup
|
||||
// before calling simulation network shutdown.
|
||||
close(quitC)
|
||||
//wait for all rpc subscriptions to unsubscribe
|
||||
rpcSubscriptionsWg.Wait()
|
||||
//shutdown the snapshot network
|
||||
net.Shutdown()
|
||||
//after the test, clean up local stores initialized with createLocalStoreForId
|
||||
localStoreCleanup()
|
||||
//finally clear all data directories
|
||||
datadirsCleanup()
|
||||
}()
|
||||
//get the nodes of the network
|
||||
nodes := net.GetNodes()
|
||||
//select one index at random...
|
||||
idx := rand.Intn(len(nodes))
|
||||
//...and get the the node at that index
|
||||
//this is the node selected for upload
|
||||
node := nodes[idx]
|
||||
|
||||
log.Info("Initializing test config")
|
||||
//iterate over all nodes...
|
||||
for c := 0; c < len(nodes); c++ {
|
||||
//create an array of discovery node IDs
|
||||
ids[c] = nodes[c].ID()
|
||||
//get the kademlia overlay address from this ID
|
||||
a := network.ToOverlayAddr(ids[c].Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
//the proximity calculation is on overlay addr,
|
||||
//the p2p/simulations check func triggers on discover.NodeID,
|
||||
//so we need to know which overlay addr maps to which nodeID
|
||||
conf.addrToIdMap[string(a)] = ids[c]
|
||||
}
|
||||
log.Info("Test config successfully initialized")
|
||||
|
||||
//only needed for healthy call when debugging
|
||||
ppmap = network.NewPeerPotMap(testMinProxBinSize, conf.addrs)
|
||||
|
||||
//define the action to be performed before the test checks: start syncing
|
||||
action := func(ctx context.Context) error {
|
||||
//first run the health check on all nodes,
|
||||
//wait until nodes are all healthy
|
||||
ticker := time.NewTicker(200 * time.Millisecond)
|
||||
defer ticker.Stop()
|
||||
for range ticker.C {
|
||||
healthy := true
|
||||
for _, id := range ids {
|
||||
r := registries[id]
|
||||
//PeerPot for this node
|
||||
addr := common.Bytes2Hex(network.ToOverlayAddr(id.Bytes()))
|
||||
pp := ppmap[addr]
|
||||
//call Healthy RPC
|
||||
h := r.delivery.overlay.Healthy(pp)
|
||||
//print info
|
||||
log.Debug(r.delivery.overlay.String())
|
||||
log.Debug(fmt.Sprintf("IS HEALTHY: %t", h.GotNN && h.KnowNN && h.Full))
|
||||
if !h.GotNN || !h.Full {
|
||||
healthy = false
|
||||
break
|
||||
}
|
||||
}
|
||||
if healthy {
|
||||
break
|
||||
}
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
for _, n := range nodeIDs {
|
||||
//get the kademlia overlay address from this ID
|
||||
a := network.ToOverlayAddr(n.Bytes())
|
||||
//append it to the array of all overlay addresses
|
||||
conf.addrs = append(conf.addrs, a)
|
||||
//the proximity calculation is on overlay addr,
|
||||
//the p2p/simulations check func triggers on discover.NodeID,
|
||||
//so we need to know which overlay addr maps to which nodeID
|
||||
conf.addrToIdMap[string(a)] = n
|
||||
}
|
||||
|
||||
if history {
|
||||
log.Info("Uploading for history")
|
||||
//If testing only history, we upload the chunk(s) first
|
||||
chunks, err := uploadFileToSingleNodeStore(node.ID(), chunkCount)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, chunks...)
|
||||
//finally map chunks to the closest addresses
|
||||
mapKeysToNodes(conf)
|
||||
}
|
||||
var subscriptionCount int
|
||||
globConf = conf
|
||||
|
||||
//variables needed to wait for all subscriptions established before uploading
|
||||
errc := make(chan error)
|
||||
filter := simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeMsgRecv).Protocol("stream").MsgCode(4)
|
||||
eventC := sim.PeerEvents(ctx, nodeIDs, filter)
|
||||
|
||||
//now setup and start event watching in order to know when we can upload
|
||||
ctx, watchCancel := context.WithTimeout(context.Background(), MaxTimeout*time.Second)
|
||||
defer watchCancel()
|
||||
|
||||
log.Info("Setting up stream subscription")
|
||||
|
||||
//We need two iterations, one to subscribe to the subscription events
|
||||
//(so we know when setup phase is finished), and one to
|
||||
//actually run the stream subscriptions. We can't do it in the same iteration,
|
||||
//because while the first nodes in the loop are setting up subscriptions,
|
||||
//the latter ones have not subscribed to listen to peer events yet,
|
||||
//and then we miss events.
|
||||
|
||||
//first iteration: setup disconnection watcher and subscribe to peer events
|
||||
for j, id := range ids {
|
||||
log.Trace(fmt.Sprintf("Subscribe to subscription events: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
wsDoneC := watchSubscriptionEvents(ctx, id, client, errc, quitC)
|
||||
// doneC is nil, the error happened which is sent to errc channel, already
|
||||
if wsDoneC == nil {
|
||||
continue
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wsDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
|
||||
//watch for peers disconnecting
|
||||
wdDoneC, err := streamTesting.WatchDisconnections(id, client, disconnectC, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-wdDoneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
}
|
||||
|
||||
//second iteration: start syncing
|
||||
for j, id := range ids {
|
||||
for j, id := range nodeIDs {
|
||||
log.Trace(fmt.Sprintf("Start syncing subscriptions: %d", j))
|
||||
client, err := net.GetNode(id).Client()
|
||||
client, err := sim.Net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
|
@ -370,117 +391,98 @@ func runSyncTest(chunkCount int, nodeCount int, live bool, history bool) error {
|
|||
subscriptionCount += cnt
|
||||
}
|
||||
|
||||
//now wait until the number of expected subscriptions has been finished
|
||||
//`watchSubscriptionEvents` will write with a `nil` value to errc
|
||||
for err := range errc {
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
//`nil` received, decrement count
|
||||
subscriptionCount--
|
||||
//all subscriptions received
|
||||
if subscriptionCount == 0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
log.Info("Stream subscriptions successfully requested")
|
||||
if live {
|
||||
//now upload the chunks to the selected random single node
|
||||
hashes, err := uploadFileToSingleNodeStore(node.ID(), chunkCount)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, hashes...)
|
||||
//finally map chunks to the closest addresses
|
||||
log.Debug(fmt.Sprintf("Uploaded chunks for live syncing: %v", conf.hashes))
|
||||
mapKeysToNodes(conf)
|
||||
log.Info(fmt.Sprintf("Uploaded %d chunks to random single node", chunkCount))
|
||||
}
|
||||
|
||||
log.Info("Action terminated")
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
//check defines what will be checked during the test
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
case e := <-disconnectC:
|
||||
log.Error(e.Error())
|
||||
return false, fmt.Errorf("Disconnect event detected, network unhealthy")
|
||||
default:
|
||||
}
|
||||
log.Trace(fmt.Sprintf("Checking node: %s", id))
|
||||
//select the local store for the given node
|
||||
//if there are more than one chunk, test only succeeds if all expected chunks are found
|
||||
allSuccess := true
|
||||
|
||||
//all the chunk indexes which are supposed to be found for this node
|
||||
localChunks := conf.idToChunksMap[id]
|
||||
//for each expected chunk, check if it is in the local store
|
||||
for _, ch := range localChunks {
|
||||
//get the real chunk by the index in the index array
|
||||
chunk := conf.hashes[ch]
|
||||
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
||||
//check if the expected chunk is indeed in the localstore
|
||||
var err error
|
||||
if *useMockStore {
|
||||
if globalStore == nil {
|
||||
return false, fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
||||
go func() {
|
||||
for e := range eventC {
|
||||
if e.Error != nil {
|
||||
//return e.Error
|
||||
return
|
||||
}
|
||||
subscriptionCount--
|
||||
if subscriptionCount == 0 {
|
||||
break
|
||||
}
|
||||
//use the globalStore if the mockStore should be used; in that case,
|
||||
//the complete localStore stack is bypassed for getting the chunk
|
||||
_, err = globalStore.Get(common.BytesToAddress(id.Bytes()), chunk)
|
||||
} else {
|
||||
//use the actual localstore
|
||||
lstore := stores[id]
|
||||
_, err = lstore.Get(context.TODO(), chunk)
|
||||
}
|
||||
}()
|
||||
//select one index at random...
|
||||
idx := rand.Intn(len(nodeIDs))
|
||||
//...and get the the node at that index
|
||||
//this is the node selected for upload
|
||||
node := nodeIDs[idx]
|
||||
item, ok := sim.NodeItem(node, bucketKeyStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No localstore")
|
||||
}
|
||||
lstore := item.(*storage.LocalStore)
|
||||
hashes, err := uploadFileToSingleNodeStore(node, chunkCount, lstore)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
conf.hashes = append(conf.hashes, hashes...)
|
||||
mapKeysToNodes(conf)
|
||||
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
var gDir string
|
||||
var globalStore *mockdb.GlobalStore
|
||||
if *useMockStore {
|
||||
gDir, globalStore, err = createGlobalStore()
|
||||
if err != nil {
|
||||
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
||||
allSuccess = false
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
||||
return fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
||||
}
|
||||
defer os.RemoveAll(gDir)
|
||||
}
|
||||
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
||||
// or until the timeout is reached.
|
||||
allSuccess := false
|
||||
for !allSuccess {
|
||||
for _, id := range nodeIDs {
|
||||
//log.Trace("file uploaded", "node", id, "key", key.String())
|
||||
//for each expected chunk, check if it is in the local store
|
||||
localChunks := conf.idToChunksMap[id]
|
||||
localSuccess := true
|
||||
for _, ch := range localChunks {
|
||||
//get the real chunk by the index in the index array
|
||||
chunk := conf.hashes[ch]
|
||||
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
||||
//check if the expected chunk is indeed in the localstore
|
||||
var err error
|
||||
if *useMockStore {
|
||||
//use the globalStore if the mockStore should be used; in that case,
|
||||
//the complete localStore stack is bypassed for getting the chunk
|
||||
_, err = globalStore.Get(common.BytesToAddress(id.Bytes()), chunk)
|
||||
} else {
|
||||
//use the actual localstore
|
||||
item, ok := sim.NodeItem(id, bucketKeyStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("Error accessing localstore")
|
||||
}
|
||||
lstore := item.(*storage.LocalStore)
|
||||
_, err = lstore.Get(ctx, chunk)
|
||||
}
|
||||
if err != nil {
|
||||
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
||||
localSuccess = false
|
||||
} else {
|
||||
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
||||
}
|
||||
}
|
||||
allSuccess = localSuccess
|
||||
}
|
||||
}
|
||||
|
||||
return allSuccess, nil
|
||||
}
|
||||
|
||||
//for each tick, run the checks on all nodes
|
||||
timingTicker := time.NewTicker(time.Second * 1)
|
||||
defer timingTicker.Stop()
|
||||
go func() {
|
||||
for range timingTicker.C {
|
||||
for i := 0; i < len(ids); i++ {
|
||||
log.Trace(fmt.Sprintf("triggering step %d, id %s", i, ids[i]))
|
||||
trigger <- ids[i]
|
||||
}
|
||||
if !allSuccess {
|
||||
return fmt.Errorf("Not all chunks succeeded!")
|
||||
}
|
||||
}()
|
||||
|
||||
log.Info("Starting simulation run...")
|
||||
|
||||
timeout := MaxTimeout * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
defer cancel()
|
||||
|
||||
//run the simulation
|
||||
result := simulations.NewSimulation(net).Run(ctx, &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: trigger,
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: ids,
|
||||
Check: check,
|
||||
},
|
||||
return nil
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
return result.Error
|
||||
}
|
||||
|
||||
log.Info("Simulation terminated")
|
||||
return nil
|
||||
}
|
||||
|
|
@ -492,17 +494,6 @@ func runSyncTest(chunkCount int, nodeCount int, live bool, history bool) error {
|
|||
func (r *TestRegistry) StartSyncing(ctx context.Context) (int, error) {
|
||||
var err error
|
||||
|
||||
if log.Lvl(*loglevel) == log.LvlDebug {
|
||||
//PeerPot for this node
|
||||
addr := common.Bytes2Hex(r.addr.OAddr)
|
||||
pp := ppmap[addr]
|
||||
//call Healthy RPC
|
||||
h := r.delivery.overlay.Healthy(pp)
|
||||
//print info
|
||||
log.Debug(r.delivery.overlay.String())
|
||||
log.Debug(fmt.Sprintf("IS HEALTHY: %t", h.GotNN && h.KnowNN && h.Full))
|
||||
}
|
||||
|
||||
kad, ok := r.delivery.overlay.(*network.Kademlia)
|
||||
if !ok {
|
||||
return 0, fmt.Errorf("Not a Kademlia!")
|
||||
|
|
@ -512,14 +503,10 @@ func (r *TestRegistry) StartSyncing(ctx context.Context) (int, error) {
|
|||
//iterate over each bin and solicit needed subscription to bins
|
||||
kad.EachBin(r.addr.Over(), pof, 0, func(conn network.OverlayConn, po int) bool {
|
||||
//identify begin and start index of the bin(s) we want to subscribe to
|
||||
log.Debug(fmt.Sprintf("Requesting subscription by: registry %s from peer %s for bin: %d", r.addr.ID(), conf.addrToIdMap[string(conn.Address())], po))
|
||||
var histRange *Range
|
||||
if history {
|
||||
histRange = &Range{}
|
||||
}
|
||||
histRange := &Range{}
|
||||
|
||||
subCnt++
|
||||
err = r.RequestSubscription(conf.addrToIdMap[string(conn.Address())], NewStream("SYNC", FormatSyncBinKey(uint8(po)), live), histRange, Top)
|
||||
err = r.RequestSubscription(globConf.addrToIdMap[string(conn.Address())], NewStream("SYNC", FormatSyncBinKey(uint8(po)), true), histRange, Top)
|
||||
if err != nil {
|
||||
log.Error(fmt.Sprintf("Error in RequestSubsciption! %v", err))
|
||||
return false
|
||||
|
|
@ -574,19 +561,17 @@ func mapKeysToNodes(conf *synctestConfig) {
|
|||
}
|
||||
|
||||
//upload a file(chunks) to a single local node store
|
||||
func uploadFileToSingleNodeStore(id discover.NodeID, chunkCount int) ([]storage.Address, error) {
|
||||
func uploadFileToSingleNodeStore(id discover.NodeID, chunkCount int, lstore *storage.LocalStore) ([]storage.Address, error) {
|
||||
log.Debug(fmt.Sprintf("Uploading to node id: %s", id))
|
||||
lstore := stores[id]
|
||||
size := chunkSize
|
||||
fileStore := storage.NewFileStore(lstore, storage.NewFileStoreParams())
|
||||
size := chunkSize
|
||||
var rootAddrs []storage.Address
|
||||
for i := 0; i < chunkCount; i++ {
|
||||
ctx := context.TODO()
|
||||
rk, wait, err := fileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
rk, wait, err := fileStore.Store(context.TODO(), io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
err = wait(ctx)
|
||||
err = wait(context.TODO())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
|
@ -595,129 +580,3 @@ func uploadFileToSingleNodeStore(id discover.NodeID, chunkCount int) ([]storage.
|
|||
|
||||
return rootAddrs, nil
|
||||
}
|
||||
|
||||
//initialize a network from a snapshot
|
||||
func initNetWithSnapshot(nodeCount int) (*simulations.Network, error) {
|
||||
|
||||
var a adapters.NodeAdapter
|
||||
//add the streamer service to the node adapter
|
||||
|
||||
if *adapter == "exec" {
|
||||
dirname, err := ioutil.TempDir(".", "")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
a = adapters.NewExecAdapter(dirname)
|
||||
} else if *adapter == "tcp" {
|
||||
a = adapters.NewTCPAdapter(services)
|
||||
} else if *adapter == "sim" {
|
||||
a = adapters.NewSimAdapter(services)
|
||||
}
|
||||
|
||||
log.Info("Setting up Snapshot network")
|
||||
|
||||
net := simulations.NewNetwork(a, &simulations.NetworkConfig{
|
||||
ID: "0",
|
||||
DefaultService: "streamer",
|
||||
})
|
||||
|
||||
f, err := os.Open(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer f.Close()
|
||||
jsonbyte, err := ioutil.ReadAll(f)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var snap simulations.Snapshot
|
||||
err = json.Unmarshal(jsonbyte, &snap)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
//the snapshot probably has the property EnableMsgEvents not set
|
||||
//just in case, set it to true!
|
||||
//(we need this to wait for messages before uploading)
|
||||
for _, n := range snap.Nodes {
|
||||
n.Node.Config.EnableMsgEvents = true
|
||||
}
|
||||
|
||||
log.Info("Waiting for p2p connections to be established...")
|
||||
|
||||
//now we can load the snapshot
|
||||
err = net.Load(&snap)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
log.Info("Snapshot loaded")
|
||||
return net, nil
|
||||
}
|
||||
|
||||
//we want to wait for subscriptions to be established before uploading to test
|
||||
//that live syncing is working correctly
|
||||
func watchSubscriptionEvents(ctx context.Context, id discover.NodeID, client *rpc.Client, errc chan error, quitC chan struct{}) (doneC <-chan struct{}) {
|
||||
events := make(chan *p2p.PeerEvent)
|
||||
sub, err := client.Subscribe(context.Background(), "admin", events, "peerEvents")
|
||||
if err != nil {
|
||||
log.Error(err.Error())
|
||||
errc <- fmt.Errorf("error getting peer events for node %v: %s", id, err)
|
||||
return
|
||||
}
|
||||
c := make(chan struct{})
|
||||
|
||||
go func() {
|
||||
defer func() {
|
||||
log.Trace("watch subscription events: unsubscribe", "id", id)
|
||||
sub.Unsubscribe()
|
||||
close(c)
|
||||
}()
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-quitC:
|
||||
return
|
||||
case <-ctx.Done():
|
||||
select {
|
||||
case errc <- ctx.Err():
|
||||
case <-quitC:
|
||||
}
|
||||
return
|
||||
case e := <-events:
|
||||
//just catch SubscribeMsg
|
||||
if e.Type == p2p.PeerEventTypeMsgRecv && e.Protocol == "stream" && e.MsgCode != nil && *e.MsgCode == 4 {
|
||||
errc <- nil
|
||||
}
|
||||
case err := <-sub.Err():
|
||||
if err != nil {
|
||||
select {
|
||||
case errc <- fmt.Errorf("error getting peer events for node %v: %v", id, err):
|
||||
case <-quitC:
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}()
|
||||
return c
|
||||
}
|
||||
|
||||
//create a local store for the given node
|
||||
func createTestLocalStorageForId(id discover.NodeID, addr *network.BzzAddr) (storage.ChunkStore, error) {
|
||||
var datadir string
|
||||
var err error
|
||||
datadir, err = ioutil.TempDir("", fmt.Sprintf("syncer-test-%s", id.TerminalString()))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
datadirs[id] = datadir
|
||||
var store storage.ChunkStore
|
||||
params := storage.NewDefaultLocalStoreParams()
|
||||
params.ChunkDbPath = datadir
|
||||
params.BaseKey = addr.Over()
|
||||
store, err = storage.NewTestLocalStoreForAddr(params)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return store, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,18 +23,22 @@ import (
|
|||
"io"
|
||||
"io/ioutil"
|
||||
"math"
|
||||
"os"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/node"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
||||
"github.com/ethereum/go-ethereum/swarm/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
streamTesting "github.com/ethereum/go-ethereum/swarm/network/stream/testing"
|
||||
"github.com/ethereum/go-ethereum/swarm/network/simulation"
|
||||
"github.com/ethereum/go-ethereum/swarm/state"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
mockdb "github.com/ethereum/go-ethereum/swarm/storage/mock/db"
|
||||
)
|
||||
|
||||
const dataChunkCount = 200
|
||||
|
|
@ -46,222 +50,200 @@ func TestSyncerSimulation(t *testing.T) {
|
|||
testSyncBetweenNodes(t, 16, 1, dataChunkCount, true, 1)
|
||||
}
|
||||
|
||||
func createMockStore(id discover.NodeID, addr *network.BzzAddr) (storage.ChunkStore, error) {
|
||||
var err error
|
||||
func createMockStore(globalStore *mockdb.GlobalStore, id discover.NodeID, addr *network.BzzAddr) (lstore storage.ChunkStore, datadir string, err error) {
|
||||
address := common.BytesToAddress(id.Bytes())
|
||||
mockStore := globalStore.NewNodeStore(address)
|
||||
params := storage.NewDefaultLocalStoreParams()
|
||||
datadirs[id], err = ioutil.TempDir("", "localMockStore-"+id.TerminalString())
|
||||
|
||||
datadir, err = ioutil.TempDir("", "localMockStore-"+id.TerminalString())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
return nil, "", err
|
||||
}
|
||||
params.Init(datadirs[id])
|
||||
params.Init(datadir)
|
||||
params.BaseKey = addr.Over()
|
||||
lstore, err := storage.NewLocalStore(params, mockStore)
|
||||
return lstore, nil
|
||||
lstore, err = storage.NewLocalStore(params, mockStore)
|
||||
return lstore, datadir, nil
|
||||
}
|
||||
|
||||
func testSyncBetweenNodes(t *testing.T, nodes, conns, chunkCount int, skipCheck bool, po uint8) {
|
||||
defer setDefaultSkipCheck(defaultSkipCheck)
|
||||
defaultSkipCheck = skipCheck
|
||||
//data directories for each node and store
|
||||
datadirs = make(map[discover.NodeID]string)
|
||||
if *useMockStore {
|
||||
createStoreFunc = createMockStore
|
||||
createGlobalStore()
|
||||
} else {
|
||||
createStoreFunc = createTestLocalStorageFromSim
|
||||
}
|
||||
defer datadirsCleanup()
|
||||
sim := simulation.New(map[string]simulation.ServiceFunc{
|
||||
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
||||
var store storage.ChunkStore
|
||||
var globalStore *mockdb.GlobalStore
|
||||
var gDir, datadir string
|
||||
|
||||
id := ctx.Config.ID
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
//hack to put addresses in same space
|
||||
addr.OAddr[0] = byte(0)
|
||||
|
||||
if *useMockStore {
|
||||
gDir, globalStore, err = createGlobalStore()
|
||||
if err != nil {
|
||||
return nil, nil, fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
||||
}
|
||||
store, datadir, err = createMockStore(globalStore, id, addr)
|
||||
} else {
|
||||
store, datadir, err = createTestLocalStorageForId(id, addr)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
bucket.Store(bucketKeyStore, store)
|
||||
cleanup = func() {
|
||||
store.Close()
|
||||
os.RemoveAll(datadir)
|
||||
if *useMockStore {
|
||||
err := globalStore.Close()
|
||||
if err != nil {
|
||||
log.Error("Error closing global store! %v", "err", err)
|
||||
}
|
||||
os.RemoveAll(gDir)
|
||||
}
|
||||
}
|
||||
localStore := store.(*storage.LocalStore)
|
||||
db := storage.NewDBAPI(localStore)
|
||||
bucket.Store(bucketKeyDB, db)
|
||||
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
||||
delivery := NewDelivery(kad, db)
|
||||
bucket.Store(bucketKeyDelivery, delivery)
|
||||
|
||||
r := NewRegistry(addr, delivery, db, state.NewInmemoryStore(), &RegistryOptions{
|
||||
SkipCheck: skipCheck,
|
||||
DoRetrieve: false,
|
||||
})
|
||||
|
||||
fileStore := storage.NewFileStore(storage.NewNetStore(localStore, nil), storage.NewFileStoreParams())
|
||||
bucket.Store(bucketKeyFileStore, fileStore)
|
||||
testRegistry := &TestRegistry{Registry: r, fileStore: fileStore}
|
||||
bucket.Store(bucketKeyRegistry, testRegistry)
|
||||
|
||||
return testRegistry, cleanup, nil
|
||||
|
||||
},
|
||||
})
|
||||
defer sim.Close()
|
||||
|
||||
registries = make(map[discover.NodeID]*TestRegistry)
|
||||
toAddr = func(id discover.NodeID) *network.BzzAddr {
|
||||
addr := network.NewAddrFromNodeID(id)
|
||||
//hack to put addresses in same space
|
||||
addr.OAddr[0] = byte(0)
|
||||
return addr
|
||||
}
|
||||
conf := &streamTesting.RunConfig{
|
||||
Adapter: *adapter,
|
||||
NodeCount: nodes,
|
||||
ConnLevel: conns,
|
||||
ToAddr: toAddr,
|
||||
Services: services,
|
||||
EnableMsgEvents: false,
|
||||
}
|
||||
// HACK: these are global variables in the test so that they are available for
|
||||
// the service constructor function
|
||||
// TODO: will this work with exec/docker adapter?
|
||||
// localstore of nodes made available for action and check calls
|
||||
stores = make(map[discover.NodeID]storage.ChunkStore)
|
||||
deliveries = make(map[discover.NodeID]*Delivery)
|
||||
// create context for simulation run
|
||||
timeout := 30 * time.Second
|
||||
ctx, cancel := context.WithTimeout(context.Background(), timeout)
|
||||
// defer cancel should come before defer simulation teardown
|
||||
defer cancel()
|
||||
|
||||
// create simulation network with the config
|
||||
sim, teardown, err := streamTesting.NewSimulation(conf)
|
||||
var rpcSubscriptionsWg sync.WaitGroup
|
||||
defer func() {
|
||||
rpcSubscriptionsWg.Wait()
|
||||
teardown()
|
||||
}()
|
||||
_, err := sim.AddNodesAndConnectFull(nodes)
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
t.Fatal(err)
|
||||
}
|
||||
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
||||
nodeIDs := sim.UpNodeIDs()
|
||||
|
||||
nodeIndex := make(map[discover.NodeID]int)
|
||||
for i, id := range sim.IDs {
|
||||
nodeIndex[id] = i
|
||||
if !*useMockStore {
|
||||
stores[id] = sim.Stores[i]
|
||||
sim.Stores[i] = stores[id]
|
||||
nodeIndex := make(map[discover.NodeID]int)
|
||||
for i, id := range nodeIDs {
|
||||
nodeIndex[id] = i
|
||||
}
|
||||
}
|
||||
// peerCount function gives the number of peer connections for a nodeID
|
||||
// this is needed for the service run function to wait until
|
||||
// each protocol instance runs and the streamer peers are available
|
||||
peerCount = func(id discover.NodeID) int {
|
||||
if sim.IDs[0] == id || sim.IDs[nodes-1] == id {
|
||||
return 1
|
||||
}
|
||||
return 2
|
||||
}
|
||||
waitPeerErrC = make(chan error)
|
||||
|
||||
// create DBAPI-s for all nodes
|
||||
dbs := make([]*storage.DBAPI, nodes)
|
||||
for i := 0; i < nodes; i++ {
|
||||
dbs[i] = storage.NewDBAPI(sim.Stores[i].(*storage.LocalStore))
|
||||
}
|
||||
|
||||
// collect hashes in po 1 bin for each node
|
||||
hashes := make([][]storage.Address, nodes)
|
||||
totalHashes := 0
|
||||
hashCounts := make([]int, nodes)
|
||||
for i := nodes - 1; i >= 0; i-- {
|
||||
if i < nodes-1 {
|
||||
hashCounts[i] = hashCounts[i+1]
|
||||
}
|
||||
dbs[i].Iterator(0, math.MaxUint64, po, func(addr storage.Address, index uint64) bool {
|
||||
hashes[i] = append(hashes[i], addr)
|
||||
totalHashes++
|
||||
hashCounts[i]++
|
||||
return true
|
||||
})
|
||||
}
|
||||
|
||||
// errc is error channel for simulation
|
||||
errc := make(chan error, 1)
|
||||
quitC := make(chan struct{})
|
||||
defer close(quitC)
|
||||
|
||||
// action is subscribe
|
||||
action := func(ctx context.Context) error {
|
||||
// need to wait till an aynchronous process registers the peers in streamer.peers
|
||||
// that is used by Subscribe
|
||||
// the global peerCount function tells how many connections each node has
|
||||
// TODO: this is to be reimplemented with peerEvent watcher without global var
|
||||
i := 0
|
||||
for err := range waitPeerErrC {
|
||||
if err != nil {
|
||||
return fmt.Errorf("error waiting for peers: %s", err)
|
||||
// collect hashes in po 1 bin for each node
|
||||
hashes := make([][]storage.Address, nodes)
|
||||
totalHashes := 0
|
||||
hashCounts := make([]int, nodes)
|
||||
for i := nodes - 1; i >= 0; i-- {
|
||||
if i < nodes-1 {
|
||||
hashCounts[i] = hashCounts[i+1]
|
||||
}
|
||||
i++
|
||||
if i == nodes {
|
||||
break
|
||||
item, ok := sim.NodeItem(nodeIDs[i], bucketKeyDB)
|
||||
if !ok {
|
||||
return fmt.Errorf("No DB")
|
||||
}
|
||||
db := item.(*storage.DBAPI)
|
||||
db.Iterator(0, math.MaxUint64, po, func(addr storage.Address, index uint64) bool {
|
||||
hashes[i] = append(hashes[i], addr)
|
||||
totalHashes++
|
||||
hashCounts[i]++
|
||||
return true
|
||||
})
|
||||
}
|
||||
|
||||
disconnections := sim.PeerEvents(
|
||||
context.Background(),
|
||||
sim.NodeIDs(),
|
||||
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
||||
)
|
||||
|
||||
go func() {
|
||||
for d := range disconnections {
|
||||
if d.Error != nil {
|
||||
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
||||
t.Fatal(d.Error)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
// each node Subscribes to each other's swarmChunkServerStreamName
|
||||
for j := 0; j < nodes-1; j++ {
|
||||
id := sim.IDs[j]
|
||||
sim.Stores[j] = stores[id]
|
||||
err := sim.CallClient(id, func(client *rpc.Client) error {
|
||||
// report disconnect events to the error channel cos peers should not disconnect
|
||||
doneC, err := streamTesting.WatchDisconnections(id, client, errc, quitC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rpcSubscriptionsWg.Add(1)
|
||||
go func() {
|
||||
<-doneC
|
||||
rpcSubscriptionsWg.Done()
|
||||
}()
|
||||
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
|
||||
defer cancel()
|
||||
// start syncing, i.e., subscribe to upstream peers po 1 bin
|
||||
sid := sim.IDs[j+1]
|
||||
return client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream("SYNC", FormatSyncBinKey(1), false), NewRange(0, 0), Top)
|
||||
})
|
||||
id := nodeIDs[j]
|
||||
client, err := sim.Net.GetNode(id).Client()
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
sid := nodeIDs[j+1]
|
||||
client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream("SYNC", FormatSyncBinKey(1), false), NewRange(0, 0), Top)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
// here we distribute chunks of a random file into stores 1...nodes
|
||||
rrFileStore := storage.NewFileStore(newRoundRobinStore(sim.Stores[1:]...), storage.NewFileStoreParams())
|
||||
size := chunkCount * chunkSize
|
||||
_, wait, err := rrFileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
// need to wait cos we then immediately collect the relevant bin content
|
||||
wait(ctx)
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// this makes sure check is not called before the previous call finishes
|
||||
check := func(ctx context.Context, id discover.NodeID) (bool, error) {
|
||||
select {
|
||||
case err := <-errc:
|
||||
return false, err
|
||||
case <-ctx.Done():
|
||||
return false, ctx.Err()
|
||||
default:
|
||||
}
|
||||
|
||||
i := nodeIndex[id]
|
||||
var total, found int
|
||||
|
||||
for j := i; j < nodes; j++ {
|
||||
total += len(hashes[j])
|
||||
for _, key := range hashes[j] {
|
||||
chunk, err := dbs[i].Get(ctx, key)
|
||||
if err == storage.ErrFetching {
|
||||
<-chunk.ReqC
|
||||
} else if err != nil {
|
||||
continue
|
||||
if j > 0 {
|
||||
item, ok := sim.NodeItem(nodeIDs[j], bucketKeyFileStore)
|
||||
if !ok {
|
||||
return fmt.Errorf("No filestore")
|
||||
}
|
||||
// needed for leveldb not to be closed?
|
||||
// chunk.WaitToStore()
|
||||
found++
|
||||
fileStore := item.(*storage.FileStore)
|
||||
size := chunkCount * chunkSize
|
||||
_, wait, err := fileStore.Store(ctx, io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
wait(ctx)
|
||||
}
|
||||
}
|
||||
// here we distribute chunks of a random file into stores 1...nodes
|
||||
if *waitKademlia {
|
||||
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
log.Debug("sync check", "node", id, "index", i, "bin", po, "found", found, "total", total)
|
||||
return total == found, nil
|
||||
}
|
||||
|
||||
conf.Step = &simulations.Step{
|
||||
Action: action,
|
||||
Trigger: streamTesting.Trigger(500*time.Millisecond, quitC, sim.IDs[0:nodes-1]...),
|
||||
Expect: &simulations.Expectation{
|
||||
Nodes: sim.IDs[0:1],
|
||||
Check: check,
|
||||
},
|
||||
}
|
||||
startedAt := time.Now()
|
||||
result, err := sim.Run(ctx, conf)
|
||||
finishedAt := time.Now()
|
||||
if err != nil {
|
||||
t.Fatalf("Setting up simulation failed: %v", err)
|
||||
}
|
||||
var total, found int
|
||||
for _, node := range nodeIDs {
|
||||
i := nodeIndex[node]
|
||||
|
||||
for j := i; j < nodes; j++ {
|
||||
total += len(hashes[j])
|
||||
for _, key := range hashes[j] {
|
||||
item, ok := sim.NodeItem(nodeIDs[j], bucketKeyDB)
|
||||
if !ok {
|
||||
return fmt.Errorf("No DB")
|
||||
}
|
||||
db := item.(*storage.DBAPI)
|
||||
chunk, err := db.Get(ctx, key)
|
||||
if err == storage.ErrFetching {
|
||||
<-chunk.ReqC
|
||||
} else if err != nil {
|
||||
continue
|
||||
}
|
||||
// needed for leveldb not to be closed?
|
||||
// chunk.WaitToStore()
|
||||
found++
|
||||
}
|
||||
}
|
||||
log.Debug("sync check", "node", node, "index", i, "bin", po, "found", found, "total", total)
|
||||
}
|
||||
//TODO: This test should not get total = 0? It currently does!
|
||||
if total == found {
|
||||
return nil
|
||||
}
|
||||
return fmt.Errorf("Total not equallying found: total is %d", total)
|
||||
})
|
||||
|
||||
if result.Error != nil {
|
||||
t.Fatalf("Simulation failed: %s", result.Error)
|
||||
t.Fatal(result.Error)
|
||||
}
|
||||
streamTesting.CheckResult(t, result, startedAt, finishedAt)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,293 +0,0 @@
|
|||
// Copyright 2018 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package testing
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"math/rand"
|
||||
"os"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations"
|
||||
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/ethereum/go-ethereum/swarm/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
)
|
||||
|
||||
type Simulation struct {
|
||||
Net *simulations.Network
|
||||
Stores []storage.ChunkStore
|
||||
Addrs []network.Addr
|
||||
IDs []discover.NodeID
|
||||
}
|
||||
|
||||
func SetStores(addrs ...network.Addr) ([]storage.ChunkStore, func(), error) {
|
||||
var datadirs []string
|
||||
stores := make([]storage.ChunkStore, len(addrs))
|
||||
var err error
|
||||
for i, addr := range addrs {
|
||||
var datadir string
|
||||
datadir, err = ioutil.TempDir("", "streamer")
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
var store storage.ChunkStore
|
||||
params := storage.NewDefaultLocalStoreParams()
|
||||
params.Init(datadir)
|
||||
params.BaseKey = addr.Over()
|
||||
store, err = storage.NewTestLocalStoreForAddr(params)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
datadirs = append(datadirs, datadir)
|
||||
stores[i] = store
|
||||
}
|
||||
teardown := func() {
|
||||
for i, datadir := range datadirs {
|
||||
stores[i].Close()
|
||||
os.RemoveAll(datadir)
|
||||
}
|
||||
}
|
||||
return stores, teardown, err
|
||||
}
|
||||
|
||||
func NewAdapter(adapterType string, services adapters.Services) (adapter adapters.NodeAdapter, teardown func(), err error) {
|
||||
teardown = func() {}
|
||||
switch adapterType {
|
||||
case "sim":
|
||||
adapter = adapters.NewSimAdapter(services)
|
||||
case "exec":
|
||||
baseDir, err0 := ioutil.TempDir("", "swarm-test")
|
||||
if err0 != nil {
|
||||
return nil, teardown, err0
|
||||
}
|
||||
teardown = func() { os.RemoveAll(baseDir) }
|
||||
adapter = adapters.NewExecAdapter(baseDir)
|
||||
case "docker":
|
||||
adapter, err = adapters.NewDockerAdapter()
|
||||
if err != nil {
|
||||
return nil, teardown, err
|
||||
}
|
||||
default:
|
||||
return nil, teardown, errors.New("adapter needs to be one of sim, exec, docker")
|
||||
}
|
||||
return adapter, teardown, nil
|
||||
}
|
||||
|
||||
func CheckResult(t *testing.T, result *simulations.StepResult, startedAt, finishedAt time.Time) {
|
||||
t.Logf("Simulation passed in %s", result.FinishedAt.Sub(result.StartedAt))
|
||||
if len(result.Passes) > 1 {
|
||||
var min, max time.Duration
|
||||
var sum int
|
||||
for _, pass := range result.Passes {
|
||||
duration := pass.Sub(result.StartedAt)
|
||||
if sum == 0 || duration < min {
|
||||
min = duration
|
||||
}
|
||||
if duration > max {
|
||||
max = duration
|
||||
}
|
||||
sum += int(duration.Nanoseconds())
|
||||
}
|
||||
t.Logf("Min: %s, Max: %s, Average: %s", min, max, time.Duration(sum/len(result.Passes))*time.Nanosecond)
|
||||
}
|
||||
t.Logf("Setup: %s, Shutdown: %s", result.StartedAt.Sub(startedAt), finishedAt.Sub(result.FinishedAt))
|
||||
}
|
||||
|
||||
type RunConfig struct {
|
||||
Adapter string
|
||||
Step *simulations.Step
|
||||
NodeCount int
|
||||
ConnLevel int
|
||||
ToAddr func(discover.NodeID) *network.BzzAddr
|
||||
Services adapters.Services
|
||||
DefaultService string
|
||||
EnableMsgEvents bool
|
||||
}
|
||||
|
||||
func NewSimulation(conf *RunConfig) (*Simulation, func(), error) {
|
||||
// create network
|
||||
nodes := conf.NodeCount
|
||||
adapter, adapterTeardown, err := NewAdapter(conf.Adapter, conf.Services)
|
||||
if err != nil {
|
||||
return nil, adapterTeardown, err
|
||||
}
|
||||
defaultService := "streamer"
|
||||
if conf.DefaultService != "" {
|
||||
defaultService = conf.DefaultService
|
||||
}
|
||||
net := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
|
||||
ID: "0",
|
||||
DefaultService: defaultService,
|
||||
})
|
||||
teardown := func() {
|
||||
adapterTeardown()
|
||||
net.Shutdown()
|
||||
}
|
||||
ids := make([]discover.NodeID, nodes)
|
||||
addrs := make([]network.Addr, nodes)
|
||||
// start nodes
|
||||
for i := 0; i < nodes; i++ {
|
||||
nodeconf := adapters.RandomNodeConfig()
|
||||
nodeconf.EnableMsgEvents = conf.EnableMsgEvents
|
||||
node, err := net.NewNodeWithConfig(nodeconf)
|
||||
if err != nil {
|
||||
return nil, teardown, fmt.Errorf("error creating node: %s", err)
|
||||
}
|
||||
ids[i] = node.ID()
|
||||
addrs[i] = conf.ToAddr(ids[i])
|
||||
}
|
||||
// set nodes number of Stores available
|
||||
stores, storeTeardown, err := SetStores(addrs...)
|
||||
teardown = func() {
|
||||
net.Shutdown()
|
||||
adapterTeardown()
|
||||
storeTeardown()
|
||||
}
|
||||
if err != nil {
|
||||
return nil, teardown, err
|
||||
}
|
||||
s := &Simulation{
|
||||
Net: net,
|
||||
Stores: stores,
|
||||
IDs: ids,
|
||||
Addrs: addrs,
|
||||
}
|
||||
return s, teardown, nil
|
||||
}
|
||||
|
||||
func (s *Simulation) Run(ctx context.Context, conf *RunConfig) (*simulations.StepResult, error) {
|
||||
// bring up nodes, launch the servive
|
||||
nodes := conf.NodeCount
|
||||
conns := conf.ConnLevel
|
||||
for i := 0; i < nodes; i++ {
|
||||
if err := s.Net.Start(s.IDs[i]); err != nil {
|
||||
return nil, fmt.Errorf("error starting node %s: %s", s.IDs[i].TerminalString(), err)
|
||||
}
|
||||
}
|
||||
// run a simulation which connects the 10 nodes in a chain
|
||||
wg := sync.WaitGroup{}
|
||||
for i := range s.IDs {
|
||||
// collect the overlay addresses, to
|
||||
for j := 0; j < conns; j++ {
|
||||
var k int
|
||||
if j == 0 {
|
||||
k = i - 1
|
||||
} else {
|
||||
k = rand.Intn(len(s.IDs))
|
||||
}
|
||||
if i > 0 {
|
||||
wg.Add(1)
|
||||
go func(i, k int) {
|
||||
defer wg.Done()
|
||||
s.Net.Connect(s.IDs[i], s.IDs[k])
|
||||
}(i, k)
|
||||
}
|
||||
}
|
||||
}
|
||||
wg.Wait()
|
||||
log.Info(fmt.Sprintf("simulation with %v nodes", len(s.Addrs)))
|
||||
|
||||
// create an only locally retrieving FileStore for the pivot node to test
|
||||
// if retriee requests have arrived
|
||||
result := simulations.NewSimulation(s.Net).Run(ctx, conf.Step)
|
||||
return result, nil
|
||||
}
|
||||
|
||||
// WatchDisconnections subscribes to admin peerEvents and sends peer event drop
|
||||
// errors to the errc channel. Channel quitC signals the termination of the event loop.
|
||||
// Returned doneC will be closed after the rpc subscription is unsubscribed,
|
||||
// signaling that simulations network is safe to shutdown.
|
||||
func WatchDisconnections(id discover.NodeID, client *rpc.Client, errc chan error, quitC chan struct{}) (doneC <-chan struct{}, err error) {
|
||||
events := make(chan *p2p.PeerEvent)
|
||||
sub, err := client.Subscribe(context.Background(), "admin", events, "peerEvents")
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error getting peer events for node %v: %s", id, err)
|
||||
}
|
||||
c := make(chan struct{})
|
||||
go func() {
|
||||
defer func() {
|
||||
log.Trace("watch disconnections: unsubscribe", "id", id)
|
||||
sub.Unsubscribe()
|
||||
close(c)
|
||||
}()
|
||||
for {
|
||||
select {
|
||||
case <-quitC:
|
||||
return
|
||||
case e := <-events:
|
||||
if e.Type == p2p.PeerEventTypeDrop {
|
||||
select {
|
||||
case errc <- fmt.Errorf("peerEvent for node %v: %v", id, e):
|
||||
case <-quitC:
|
||||
return
|
||||
}
|
||||
}
|
||||
case err := <-sub.Err():
|
||||
if err != nil {
|
||||
select {
|
||||
case errc <- fmt.Errorf("error getting peer events for node %v: %v", id, err):
|
||||
case <-quitC:
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}()
|
||||
return c, nil
|
||||
}
|
||||
|
||||
func Trigger(d time.Duration, quitC chan struct{}, ids ...discover.NodeID) chan discover.NodeID {
|
||||
trigger := make(chan discover.NodeID)
|
||||
go func() {
|
||||
defer close(trigger)
|
||||
ticker := time.NewTicker(d)
|
||||
defer ticker.Stop()
|
||||
// we are only testing the pivot node (net.Nodes[0])
|
||||
for range ticker.C {
|
||||
for _, id := range ids {
|
||||
select {
|
||||
case trigger <- id:
|
||||
case <-quitC:
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}()
|
||||
return trigger
|
||||
}
|
||||
|
||||
func (sim *Simulation) CallClient(id discover.NodeID, f func(*rpc.Client) error) error {
|
||||
node := sim.Net.GetNode(id)
|
||||
if node == nil {
|
||||
return fmt.Errorf("unknown node: %s", id)
|
||||
}
|
||||
client, err := node.Client()
|
||||
if err != nil {
|
||||
return fmt.Errorf("error getting node client: %s", err)
|
||||
}
|
||||
return f(client)
|
||||
}
|
||||
Loading…
Reference in a new issue