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integration_test.go
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package impl_test
import (
"bytes"
"context"
"fmt"
"math/rand"
"os"
"testing"
"time"
"github.com/ipfs/go-blockservice"
"github.com/ipfs/go-datastore"
"github.com/ipfs/go-datastore/namespace"
dss "github.com/ipfs/go-datastore/sync"
"github.com/ipfs/go-graphsync"
gsimpl "github.com/ipfs/go-graphsync/impl"
gsmsg "github.com/ipfs/go-graphsync/message"
gsnet "github.com/ipfs/go-graphsync/network"
"github.com/ipfs/go-graphsync/storeutil"
bstore "github.com/ipfs/go-ipfs-blockstore"
offline "github.com/ipfs/go-ipfs-exchange-offline"
ipldformat "github.com/ipfs/go-ipld-format"
"github.com/ipfs/go-merkledag"
"github.com/ipld/go-ipld-prime"
cidlink "github.com/ipld/go-ipld-prime/linking/cid"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-core/protocol"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/filecoin-project/go-storedcounter"
datatransfer "github.com/filecoin-project/go-data-transfer"
"github.com/filecoin-project/go-data-transfer/encoding"
. "github.com/filecoin-project/go-data-transfer/impl"
"github.com/filecoin-project/go-data-transfer/message"
"github.com/filecoin-project/go-data-transfer/network"
"github.com/filecoin-project/go-data-transfer/testutil"
tp "github.com/filecoin-project/go-data-transfer/transport/graphsync"
"github.com/filecoin-project/go-data-transfer/transport/graphsync/extension"
)
const loremFile = "lorem.txt"
// nil means use the default protocols
// tests data transfer for the following protocol combinations:
// default protocol -> default protocols
// old protocol -> default protocols
// default protocols -> old protocol
var protocolsForTest = map[string]struct {
host1Protocols []protocol.ID
host2Protocols []protocol.ID
}{
"(new -> new)": {nil, nil},
//"(old -> new, old)": {[]protocol.ID{datatransfer.ProtocolDataTransfer1_0}, nil},
//"(new, old -> old)": {nil, []protocol.ID{datatransfer.ProtocolDataTransfer1_0}},
}
func TestRoundTrip(t *testing.T) {
ctx := context.Background()
testCases := map[string]struct {
isPull bool
customSourceStore bool
customTargetStore bool
}{
"roundtrip for push requests": {},
"roundtrip for pull requests": {
isPull: true,
},
"custom source, push": {
customSourceStore: true,
},
"custom source, pull": {
isPull: true,
customSourceStore: true,
},
"custom dest, push": {
customTargetStore: true,
},
"custom dest, pull": {
isPull: true,
customTargetStore: true,
},
"custom both sides, push": {
customSourceStore: true,
customTargetStore: true,
},
"custom both sides, pull": {
isPull: true,
customSourceStore: true,
customTargetStore: true,
},
}
for testCase, data := range testCases {
for pname, ps := range protocolsForTest {
t.Run(testCase+pname, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, ps.host1Protocols, ps.host2Protocols)
host1 := gsData.Host1 // initiator, data sender
host2 := gsData.Host2 // data recipient
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
finished := make(chan struct{}, 2)
errChan := make(chan struct{}, 2)
opened := make(chan struct{}, 2)
sent := make(chan uint64, 21)
received := make(chan uint64, 21)
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if event.Code == datatransfer.DataQueued {
if channelState.Queued() > 0 {
sent <- channelState.Queued()
}
}
if event.Code == datatransfer.DataReceived {
if channelState.Received() > 0 {
received <- channelState.Received()
}
}
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- struct{}{}
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
dt1.SubscribeToEvents(subscriber)
dt2.SubscribeToEvents(subscriber)
voucher := testutil.FakeDTType{Data: "applesauce"}
sv := testutil.NewStubbedValidator()
var sourceDagService ipldformat.DAGService
if data.customSourceStore {
ds := dss.MutexWrap(datastore.NewMapDatastore())
bs := bstore.NewBlockstore(namespace.Wrap(ds, datastore.NewKey("blockstore")))
loader := storeutil.LoaderForBlockstore(bs)
storer := storeutil.StorerForBlockstore(bs)
sourceDagService = merkledag.NewDAGService(blockservice.New(bs, offline.Exchange(bs)))
err := dt1.RegisterTransportConfigurer(&testutil.FakeDTType{}, func(channelID datatransfer.ChannelID, testVoucher datatransfer.Voucher, transport datatransfer.Transport) {
fv, ok := testVoucher.(*testutil.FakeDTType)
if ok && fv.Data == voucher.Data {
gsTransport, ok := transport.(*tp.Transport)
if ok {
err := gsTransport.UseStore(channelID, loader, storer)
require.NoError(t, err)
}
}
})
require.NoError(t, err)
} else {
sourceDagService = gsData.DagService1
}
root, origBytes := testutil.LoadUnixFSFile(ctx, t, sourceDagService, loremFile)
rootCid := root.(cidlink.Link).Cid
var destDagService ipldformat.DAGService
if data.customTargetStore {
ds := dss.MutexWrap(datastore.NewMapDatastore())
bs := bstore.NewBlockstore(namespace.Wrap(ds, datastore.NewKey("blockstore")))
loader := storeutil.LoaderForBlockstore(bs)
storer := storeutil.StorerForBlockstore(bs)
destDagService = merkledag.NewDAGService(blockservice.New(bs, offline.Exchange(bs)))
err := dt2.RegisterTransportConfigurer(&testutil.FakeDTType{}, func(channelID datatransfer.ChannelID, testVoucher datatransfer.Voucher, transport datatransfer.Transport) {
fv, ok := testVoucher.(*testutil.FakeDTType)
if ok && fv.Data == voucher.Data {
gsTransport, ok := transport.(*tp.Transport)
if ok {
err := gsTransport.UseStore(channelID, loader, storer)
require.NoError(t, err)
}
}
})
require.NoError(t, err)
} else {
destDagService = gsData.DagService2
}
var chid datatransfer.ChannelID
if data.isPull {
sv.ExpectSuccessPull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt2.OpenPullDataChannel(ctx, host1.ID(), &voucher, rootCid, gsData.AllSelector)
} else {
sv.ExpectSuccessPush()
require.NoError(t, dt2.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt1.OpenPushDataChannel(ctx, host2.ID(), &voucher, rootCid, gsData.AllSelector)
}
require.NoError(t, err)
opens := 0
completes := 0
sentIncrements := make([]uint64, 0, 21)
receivedIncrements := make([]uint64, 0, 21)
for opens < 2 || completes < 2 || len(sentIncrements) < 21 || len(receivedIncrements) < 21 {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-finished:
completes++
case <-opened:
opens++
case sentIncrement := <-sent:
sentIncrements = append(sentIncrements, sentIncrement)
case receivedIncrement := <-received:
receivedIncrements = append(receivedIncrements, receivedIncrement)
case <-errChan:
t.Fatal("received error on data transfer")
}
}
require.Equal(t, sentIncrements, receivedIncrements)
testutil.VerifyHasFile(ctx, t, destDagService, root, origBytes)
if data.isPull {
assert.Equal(t, chid.Initiator, host2.ID())
} else {
assert.Equal(t, chid.Initiator, host1.ID())
}
})
}
} //
}
func TestDataSentEvents(t *testing.T) {
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
host2 := gsData.Host2 // data recipient
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
finished := make(chan struct{}, 2)
errChan := make(chan struct{}, 2)
opened := make(chan struct{}, 2)
queued := make(chan uint64, 21)
sent := make(chan uint64, 21)
received := make(chan uint64, 21)
subscribeSide := func(name string) datatransfer.Subscriber {
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
fmt.Printf("%s [%s] %s: qd %d, rcvd %d, sent %d, total: %d\n",
name,
datatransfer.Statuses[channelState.Status()],
datatransfer.Events[event.Code],
channelState.Queued(),
channelState.Received(),
channelState.Sent(),
channelState.TotalSize())
if event.Code == datatransfer.DataQueued {
if channelState.Queued() > 0 {
queued <- channelState.Queued()
}
}
if event.Code == datatransfer.DataSent {
if channelState.Sent() > 0 {
sent <- channelState.Queued()
}
}
if event.Code == datatransfer.DataReceived {
if channelState.Received() > 0 {
received <- channelState.Received()
}
}
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- struct{}{}
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
return subscriber
}
dt1.SubscribeToEvents(subscribeSide("clnt"))
dt2.SubscribeToEvents(subscribeSide("prov"))
voucher := testutil.FakeDTType{Data: "applesauce"}
sv := testutil.NewStubbedValidator()
sourceDagService := gsData.DagService1
root, origBytes := testutil.LoadUnixFSFile(ctx, t, sourceDagService, loremFile)
rootCid := root.(cidlink.Link).Cid
destDagService := gsData.DagService2
var chid datatransfer.ChannelID
sv.ExpectSuccessPush()
require.NoError(t, dt2.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt1.OpenPushDataChannel(ctx, host2.ID(), &voucher, rootCid, gsData.AllSelector)
require.NoError(t, err)
opens := 0
completes := 0
queuedIncrements := make([]uint64, 0, 21)
sentIncrements := make([]uint64, 0, 21)
receivedIncrements := make([]uint64, 0, 21)
for opens < 2 || completes < 2 || len(queuedIncrements) < 21 || len(receivedIncrements) < 21 {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-finished:
completes++
case <-opened:
opens++
case queuedIncrement := <-queued:
queuedIncrements = append(queuedIncrements, queuedIncrement)
case sentIncrement := <-sent:
sentIncrements = append(sentIncrements, sentIncrement)
case receivedIncrement := <-received:
receivedIncrements = append(receivedIncrements, receivedIncrement)
case <-errChan:
t.Fatal("received error on data transfer")
}
}
require.Equal(t, queuedIncrements, sentIncrements)
require.Equal(t, queuedIncrements, receivedIncrements)
testutil.VerifyHasFile(ctx, t, destDagService, root, origBytes)
assert.Equal(t, chid.Initiator, host1.ID())
}
func TestMultipleRoundTripMultipleStores(t *testing.T) {
ctx := context.Background()
testCases := map[string]struct {
isPull bool
requestCount int
}{
"multiple roundtrip for push requests": {
requestCount: 2,
},
"multiple roundtrip for pull requests": {
isPull: true,
requestCount: 2,
},
}
for testCase, data := range testCases {
t.Run(testCase, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
host2 := gsData.Host2 // data recipient
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
finished := make(chan struct{}, 2*data.requestCount)
errChan := make(chan string, 2*data.requestCount)
opened := make(chan struct{}, 2*data.requestCount)
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- event.Message
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
dt1.SubscribeToEvents(subscriber)
dt2.SubscribeToEvents(subscriber)
vouchers := make([]datatransfer.Voucher, 0, data.requestCount)
for i := 0; i < data.requestCount; i++ {
vouchers = append(vouchers, testutil.NewFakeDTType())
}
sv := testutil.NewStubbedValidator()
root, origBytes := testutil.LoadUnixFSFile(ctx, t, gsData.DagService1, loremFile)
rootCid := root.(cidlink.Link).Cid
destDagServices := make([]ipldformat.DAGService, 0, data.requestCount)
loaders := make([]ipld.Loader, 0, data.requestCount)
storers := make([]ipld.Storer, 0, data.requestCount)
for i := 0; i < data.requestCount; i++ {
ds := dss.MutexWrap(datastore.NewMapDatastore())
bs := bstore.NewBlockstore(namespace.Wrap(ds, datastore.NewKey("blockstore")))
loader := storeutil.LoaderForBlockstore(bs)
storer := storeutil.StorerForBlockstore(bs)
destDagService := merkledag.NewDAGService(blockservice.New(bs, offline.Exchange(bs)))
destDagServices = append(destDagServices, destDagService)
loaders = append(loaders, loader)
storers = append(storers, storer)
}
err = dt2.RegisterTransportConfigurer(&testutil.FakeDTType{}, func(channelID datatransfer.ChannelID, testVoucher datatransfer.Voucher, transport datatransfer.Transport) {
fv, ok := testVoucher.(*testutil.FakeDTType)
if ok {
for i, voucher := range vouchers {
if fv.Data == voucher.(*testutil.FakeDTType).Data {
gsTransport, ok := transport.(*tp.Transport)
if ok {
err := gsTransport.UseStore(channelID, loaders[i], storers[i])
require.NoError(t, err)
}
}
}
}
})
require.NoError(t, err)
if data.isPull {
sv.ExpectSuccessPull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
for i := 0; i < data.requestCount; i++ {
_, err = dt2.OpenPullDataChannel(ctx, host1.ID(), vouchers[i], rootCid, gsData.AllSelector)
require.NoError(t, err)
}
} else {
sv.ExpectSuccessPush()
require.NoError(t, dt2.RegisterVoucherType(&testutil.FakeDTType{}, sv))
for i := 0; i < data.requestCount; i++ {
_, err = dt1.OpenPushDataChannel(ctx, host2.ID(), vouchers[i], rootCid, gsData.AllSelector)
require.NoError(t, err)
}
}
opens := 0
completes := 0
for opens < 2*data.requestCount || completes < 2*data.requestCount {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-finished:
completes++
case <-opened:
opens++
case err := <-errChan:
t.Fatalf("received error on data transfer: %s", err)
}
}
for _, destDagService := range destDagServices {
testutil.VerifyHasFile(ctx, t, destDagService, root, origBytes)
}
})
}
}
func TestManyReceiversAtOnce(t *testing.T) {
ctx := context.Background()
testCases := map[string]struct {
isPull bool
receiverCount int
}{
"multiple receivers for push requests": {
receiverCount: 10,
},
"multiple receivers for pull requests": {
isPull: true,
receiverCount: 10,
},
}
for testCase, data := range testCases {
t.Run(testCase, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
tp1 := gsData.SetupGSTransportHost1()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
destDagServices := make([]ipldformat.DAGService, 0, data.receiverCount)
receivers := make([]datatransfer.Manager, 0, data.receiverCount)
hosts := make([]host.Host, 0, data.receiverCount)
for i := 0; i < data.receiverCount; i++ {
host, err := gsData.Mn.GenPeer()
require.NoError(t, err, "error generating host")
gsnet := gsnet.NewFromLibp2pHost(host)
dtnet := network.NewFromLibp2pHost(host)
ds := dss.MutexWrap(datastore.NewMapDatastore())
bs := bstore.NewBlockstore(namespace.Wrap(ds, datastore.NewKey("blockstore")))
altBs := bstore.NewBlockstore(namespace.Wrap(ds, datastore.NewKey("altstore")))
loader := storeutil.LoaderForBlockstore(bs)
storer := storeutil.StorerForBlockstore(bs)
altLoader := storeutil.LoaderForBlockstore(altBs)
altStorer := storeutil.StorerForBlockstore(altBs)
destDagService := merkledag.NewDAGService(blockservice.New(altBs, offline.Exchange(altBs)))
gs := gsimpl.New(gsData.Ctx, gsnet, loader, storer)
gsTransport := tp.NewTransport(host.ID(), gs)
dtDs := namespace.Wrap(ds, datastore.NewKey("datatransfer"))
storedCounter := storedcounter.New(ds, datastore.NewKey("counter"))
receiver, err := NewDataTransfer(dtDs, os.TempDir(), dtnet, gsTransport, storedCounter)
require.NoError(t, err)
err = receiver.Start(gsData.Ctx)
require.NoError(t, err)
err = receiver.RegisterTransportConfigurer(&testutil.FakeDTType{}, func(channelID datatransfer.ChannelID, testVoucher datatransfer.Voucher, transport datatransfer.Transport) {
_, isFv := testVoucher.(*testutil.FakeDTType)
gsTransport, isGs := transport.(*tp.Transport)
if isFv && isGs {
err := gsTransport.UseStore(channelID, altLoader, altStorer)
require.NoError(t, err)
}
})
require.NoError(t, err)
destDagServices = append(destDagServices, destDagService)
receivers = append(receivers, receiver)
hosts = append(hosts, host)
}
err = gsData.Mn.LinkAll()
require.NoError(t, err, "error linking hosts")
finished := make(chan struct{}, 2*data.receiverCount)
errChan := make(chan string, 2*data.receiverCount)
opened := make(chan struct{}, 2*data.receiverCount)
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- event.Message
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
dt1.SubscribeToEvents(subscriber)
for _, receiver := range receivers {
receiver.SubscribeToEvents(subscriber)
}
vouchers := make([]datatransfer.Voucher, 0, data.receiverCount)
for i := 0; i < data.receiverCount; i++ {
vouchers = append(vouchers, testutil.NewFakeDTType())
}
sv := testutil.NewStubbedValidator()
root, origBytes := testutil.LoadUnixFSFile(ctx, t, gsData.DagService1, loremFile)
rootCid := root.(cidlink.Link).Cid
if data.isPull {
sv.ExpectSuccessPull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
for i, receiver := range receivers {
_, err = receiver.OpenPullDataChannel(ctx, host1.ID(), vouchers[i], rootCid, gsData.AllSelector)
require.NoError(t, err)
}
} else {
sv.ExpectSuccessPush()
for i, receiver := range receivers {
require.NoError(t, receiver.RegisterVoucherType(&testutil.FakeDTType{}, sv))
_, err = dt1.OpenPushDataChannel(ctx, hosts[i].ID(), vouchers[i], rootCid, gsData.AllSelector)
require.NoError(t, err)
}
}
opens := 0
completes := 0
for opens < 2*data.receiverCount || completes < 2*data.receiverCount {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-finished:
completes++
case <-opened:
opens++
case err := <-errChan:
t.Fatalf("received error on data transfer: %s", err)
}
}
for _, destDagService := range destDagServices {
testutil.VerifyHasFile(ctx, t, destDagService, root, origBytes)
}
})
}
}
func TestRoundTripCancelledRequest(t *testing.T) {
ctx := context.Background()
testCases := map[string]struct {
isPull bool
}{
"cancelled push request": {},
"cancelled pull request": {
isPull: true,
},
}
for testCase, data := range testCases {
t.Run(testCase, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
host2 := gsData.Host2
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
finished := make(chan struct{}, 2)
errChan := make(chan string, 2)
cancelled := make(chan struct{}, 2)
accepted := make(chan struct{}, 2)
opened := make(chan struct{}, 2)
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Accept {
accepted <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- event.Message
}
if event.Code == datatransfer.Cancel {
cancelled <- struct{}{}
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
dt1.SubscribeToEvents(subscriber)
dt2.SubscribeToEvents(subscriber)
voucher := testutil.FakeDTType{Data: "applesauce"}
sv := testutil.NewStubbedValidator()
root, _ := testutil.LoadUnixFSFile(ctx, t, gsData.DagService1, loremFile)
rootCid := root.(cidlink.Link).Cid
var chid datatransfer.ChannelID
if data.isPull {
sv.ExpectPausePull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt2.OpenPullDataChannel(ctx, host1.ID(), &voucher, rootCid, gsData.AllSelector)
} else {
sv.ExpectPausePush()
require.NoError(t, dt2.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt1.OpenPushDataChannel(ctx, host2.ID(), &voucher, rootCid, gsData.AllSelector)
}
require.NoError(t, err)
opens := 0
cancels := 0
accepts := 0
for opens < 2 || cancels < 2 {
select {
case <-ctx.Done():
t.Fatal("Did not finish data transfer")
case <-finished:
t.Fatal("request completed succussfully but should have been cancelled")
case <-opened:
opens++
case <-cancelled:
cancels++
case <-accepted:
if accepts == 0 {
timer := time.NewTimer(10 * time.Millisecond)
go func() {
select {
case <-ctx.Done():
case <-timer.C:
if data.isPull {
_ = dt1.CloseDataTransferChannel(ctx, chid)
} else {
_ = dt2.CloseDataTransferChannel(ctx, chid)
}
}
}()
}
accepts++
case err := <-errChan:
t.Fatalf("received error on data transfer: %s", err)
}
}
})
}
}
type retrievalRevalidator struct {
*testutil.StubbedRevalidator
dataSoFar uint64
providerPausePoint int
pausePoints []uint64
finalVoucher datatransfer.VoucherResult
}
func (r *retrievalRevalidator) OnPullDataSent(chid datatransfer.ChannelID, additionalBytesSent uint64) (bool, datatransfer.VoucherResult, error) {
r.dataSoFar += additionalBytesSent
if r.providerPausePoint < len(r.pausePoints) &&
r.dataSoFar >= r.pausePoints[r.providerPausePoint] {
r.providerPausePoint++
return true, testutil.NewFakeDTType(), datatransfer.ErrPause
}
return true, nil, nil
}
func (r *retrievalRevalidator) OnPushDataReceived(chid datatransfer.ChannelID, additionalBytesReceived uint64) (bool, datatransfer.VoucherResult, error) {
return false, nil, nil
}
func (r *retrievalRevalidator) OnComplete(chid datatransfer.ChannelID) (bool, datatransfer.VoucherResult, error) {
return true, r.finalVoucher, datatransfer.ErrPause
}
func TestSimulatedRetrievalFlow(t *testing.T) {
ctx := context.Background()
testCases := map[string]struct {
unpauseRequestorDelay time.Duration
unpauseResponderDelay time.Duration
payForUnseal bool
pausePoints []uint64
}{
"fast unseal, payment channel ready": {
pausePoints: []uint64{1000, 3000, 6000, 10000, 15000},
},
"fast unseal, payment channel not ready": {
unpauseRequestorDelay: 100 * time.Millisecond,
pausePoints: []uint64{1000, 3000, 6000, 10000, 15000},
},
"slow unseal, payment channel ready": {
unpauseResponderDelay: 200 * time.Millisecond,
pausePoints: []uint64{1000, 3000, 6000, 10000, 15000},
},
}
for testCase, config := range testCases {
t.Run(testCase, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 4*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
root := gsData.LoadUnixFSFile(t, false)
rootCid := root.(cidlink.Link).Cid
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
var chid datatransfer.ChannelID
errChan := make(chan struct{}, 2)
clientPausePoint := 0
clientFinished := make(chan struct{}, 1)
finalVoucherResult := testutil.NewFakeDTType()
encodedFVR, err := encoding.Encode(finalVoucherResult)
require.NoError(t, err)
var clientSubscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if event.Code == datatransfer.Accept {
err := dt2.PauseDataTransferChannel(ctx, chid)
require.NoError(t, err)
timer := time.NewTimer(config.unpauseRequestorDelay)
go func() {
<-timer.C
err := dt2.ResumeDataTransferChannel(ctx, chid)
require.NoError(t, err)
if config.payForUnseal {
err := dt2.SendVoucher(ctx, chid, testutil.NewFakeDTType())
require.NoError(t, err)
}
}()
}
if event.Code == datatransfer.Error {
errChan <- struct{}{}
}
if event.Code == datatransfer.NewVoucherResult {
lastVoucherResult := channelState.LastVoucherResult()
encodedLVR, err := encoding.Encode(lastVoucherResult)
require.NoError(t, err)
if bytes.Equal(encodedLVR, encodedFVR) {
_ = dt2.SendVoucher(ctx, chid, testutil.NewFakeDTType())
}
}
if event.Code == datatransfer.DataReceived &&
clientPausePoint < len(config.pausePoints) &&
channelState.Received() > config.pausePoints[clientPausePoint] {
_ = dt2.SendVoucher(ctx, chid, testutil.NewFakeDTType())
clientPausePoint++
}
if channelState.Status() == datatransfer.Completed {
clientFinished <- struct{}{}
}
}
dt2.SubscribeToEvents(clientSubscriber)
providerFinished := make(chan struct{}, 1)
providerAccepted := false
var providerSubscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if event.Code == datatransfer.PauseResponder {
if !config.payForUnseal && !providerAccepted {
providerAccepted = true
timer := time.NewTimer(config.unpauseResponderDelay)
go func() {
<-timer.C
_ = dt1.ResumeDataTransferChannel(ctx, chid)
}()
}
}
if event.Code == datatransfer.Error {
errChan <- struct{}{}
}
if channelState.Status() == datatransfer.Completed {
providerFinished <- struct{}{}
}
}
dt1.SubscribeToEvents(providerSubscriber)
voucher := testutil.FakeDTType{Data: "applesauce"}
sv := testutil.NewStubbedValidator()
sv.ExpectPausePull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
srv := &retrievalRevalidator{
testutil.NewStubbedRevalidator(), 0, 0, config.pausePoints, finalVoucherResult,
}
srv.ExpectSuccessRevalidation()
require.NoError(t, dt1.RegisterRevalidator(testutil.NewFakeDTType(), srv))
require.NoError(t, dt2.RegisterVoucherResultType(testutil.NewFakeDTType()))
chid, err = dt2.OpenPullDataChannel(ctx, host1.ID(), &voucher, rootCid, gsData.AllSelector)
require.NoError(t, err)
for providerFinished != nil || clientFinished != nil {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-providerFinished:
providerFinished = nil
case <-clientFinished:
clientFinished = nil
case <-errChan:
t.Fatal("received unexpected error")
}
}
sv.VerifyExpectations(t)
srv.VerifyExpectations(t)
gsData.VerifyFileTransferred(t, root, true)
require.Equal(t, srv.providerPausePoint, len(config.pausePoints))
require.Equal(t, clientPausePoint, len(config.pausePoints))
})
}
}
func TestPauseAndResume(t *testing.T) {
ctx := context.Background()
testCases := map[string]bool{
"pause and resume works for push requests": false,
"pause and resume works for pull requests": true,
}
for testCase, isPull := range testCases {
t.Run(testCase, func(t *testing.T) {
ctx, cancel := context.WithTimeout(ctx, 60*time.Second)
defer cancel()
gsData := testutil.NewGraphsyncTestingData(ctx, t, nil, nil)
host1 := gsData.Host1 // initiator, data sender
host2 := gsData.Host2 // data recipient
root := gsData.LoadUnixFSFile(t, false)
rootCid := root.(cidlink.Link).Cid
tp1 := gsData.SetupGSTransportHost1()
tp2 := gsData.SetupGSTransportHost2()
dt1, err := NewDataTransfer(gsData.DtDs1, gsData.TempDir1, gsData.DtNet1, tp1, gsData.StoredCounter1)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt1)
dt2, err := NewDataTransfer(gsData.DtDs2, gsData.TempDir2, gsData.DtNet2, tp2, gsData.StoredCounter2)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt2)
finished := make(chan struct{}, 2)
errChan := make(chan struct{}, 2)
opened := make(chan struct{}, 2)
sent := make(chan uint64, 21)
received := make(chan uint64, 21)
pauseInitiator := make(chan struct{}, 2)
resumeInitiator := make(chan struct{}, 2)
pauseResponder := make(chan struct{}, 2)
resumeResponder := make(chan struct{}, 2)
var subscriber datatransfer.Subscriber = func(event datatransfer.Event, channelState datatransfer.ChannelState) {
if event.Code == datatransfer.DataQueued {
if channelState.Queued() > 0 {
sent <- channelState.Queued()
}
}
if event.Code == datatransfer.DataReceived {
if channelState.Received() > 0 {
received <- channelState.Received()
}
}
if event.Code == datatransfer.PauseInitiator {
pauseInitiator <- struct{}{}
}
if event.Code == datatransfer.ResumeInitiator {
resumeInitiator <- struct{}{}
}
if event.Code == datatransfer.PauseResponder {
pauseResponder <- struct{}{}
}
if event.Code == datatransfer.ResumeResponder {
resumeResponder <- struct{}{}
}
if channelState.Status() == datatransfer.Completed {
finished <- struct{}{}
}
if event.Code == datatransfer.Error {
errChan <- struct{}{}
}
if event.Code == datatransfer.Open {
opened <- struct{}{}
}
}
dt1.SubscribeToEvents(subscriber)
dt2.SubscribeToEvents(subscriber)
voucher := testutil.FakeDTType{Data: "applesauce"}
sv := testutil.NewStubbedValidator()
var chid datatransfer.ChannelID
if isPull {
sv.ExpectSuccessPull()
require.NoError(t, dt1.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt2.OpenPullDataChannel(ctx, host1.ID(), &voucher, rootCid, gsData.AllSelector)
} else {
sv.ExpectSuccessPush()
require.NoError(t, dt2.RegisterVoucherType(&testutil.FakeDTType{}, sv))
chid, err = dt1.OpenPushDataChannel(ctx, host2.ID(), &voucher, rootCid, gsData.AllSelector)
}
require.NoError(t, err)
opens := 0
completes := 0
pauseInitiators := 0
pauseResponders := 0
resumeInitiators := 0
resumeResponders := 0
sentIncrements := make([]uint64, 0, 21)
receivedIncrements := make([]uint64, 0, 21)
for opens < 2 || completes < 2 || len(sentIncrements) < 21 || len(receivedIncrements) < 21 ||
pauseInitiators < 1 || pauseResponders < 1 || resumeInitiators < 1 || resumeResponders < 1 {
select {
case <-ctx.Done():
t.Fatal("Did not complete succcessful data transfer")
case <-finished:
completes++
case <-opened:
opens++
case <-pauseInitiator:
pauseInitiators++
case <-resumeInitiator:
resumeInitiators++
case <-pauseResponder:
pauseResponders++
case <-resumeResponder:
resumeResponders++
case sentIncrement := <-sent:
sentIncrements = append(sentIncrements, sentIncrement)
if len(sentIncrements) == 5 {
require.NoError(t, dt1.PauseDataTransferChannel(ctx, chid))
time.Sleep(100 * time.Millisecond)
require.NoError(t, dt1.ResumeDataTransferChannel(ctx, chid))