You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
969 lines
29 KiB
969 lines
29 KiB
package p2p_test
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"runtime"
|
|
"strings"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/fortytw2/leaktest"
|
|
"github.com/gogo/protobuf/proto"
|
|
gogotypes "github.com/gogo/protobuf/types"
|
|
"github.com/stretchr/testify/mock"
|
|
"github.com/stretchr/testify/require"
|
|
dbm "github.com/tendermint/tm-db"
|
|
|
|
"github.com/tendermint/tendermint/crypto"
|
|
tmsync "github.com/tendermint/tendermint/internal/libs/sync"
|
|
"github.com/tendermint/tendermint/internal/p2p"
|
|
"github.com/tendermint/tendermint/internal/p2p/mocks"
|
|
"github.com/tendermint/tendermint/internal/p2p/p2ptest"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
func echoReactor(ctx context.Context, channel *p2p.Channel) {
|
|
iter := channel.Receive(ctx)
|
|
for iter.Next(ctx) {
|
|
envelope := iter.Envelope()
|
|
value := envelope.Message.(*p2ptest.Message).Value
|
|
if err := channel.Send(ctx, p2p.Envelope{
|
|
To: envelope.From,
|
|
Message: &p2ptest.Message{Value: value},
|
|
}); err != nil {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRouter_Network(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
// Create a test network and open a channel where all peers run echoReactor.
|
|
network := p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: 8})
|
|
local := network.RandomNode()
|
|
peers := network.Peers(local.NodeID)
|
|
channels := network.MakeChannels(ctx, t, chDesc)
|
|
|
|
network.Start(ctx, t)
|
|
|
|
channel := channels[local.NodeID]
|
|
for _, peer := range peers {
|
|
go echoReactor(ctx, channels[peer.NodeID])
|
|
}
|
|
|
|
// Sending a message to each peer should work.
|
|
for _, peer := range peers {
|
|
p2ptest.RequireSendReceive(ctx, t, channel, peer.NodeID,
|
|
&p2ptest.Message{Value: "foo"},
|
|
&p2ptest.Message{Value: "foo"},
|
|
)
|
|
}
|
|
|
|
// Sending a broadcast should return back a message from all peers.
|
|
p2ptest.RequireSend(ctx, t, channel, p2p.Envelope{
|
|
Broadcast: true,
|
|
Message: &p2ptest.Message{Value: "bar"},
|
|
})
|
|
expect := []*p2p.Envelope{}
|
|
for _, peer := range peers {
|
|
expect = append(expect, &p2p.Envelope{
|
|
From: peer.NodeID,
|
|
ChannelID: 1,
|
|
Message: &p2ptest.Message{Value: "bar"},
|
|
})
|
|
}
|
|
p2ptest.RequireReceiveUnordered(ctx, t, channel, expect)
|
|
|
|
// We then submit an error for a peer, and watch it get disconnected and
|
|
// then reconnected as the router retries it.
|
|
peerUpdates := local.MakePeerUpdatesNoRequireEmpty(ctx, t)
|
|
require.NoError(t, channel.SendError(ctx, p2p.PeerError{
|
|
NodeID: peers[0].NodeID,
|
|
Err: errors.New("boom"),
|
|
}))
|
|
p2ptest.RequireUpdates(t, peerUpdates, []p2p.PeerUpdate{
|
|
{NodeID: peers[0].NodeID, Status: p2p.PeerStatusDown},
|
|
{NodeID: peers[0].NodeID, Status: p2p.PeerStatusUp},
|
|
})
|
|
}
|
|
|
|
func TestRouter_Channel_Basic(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Set up a router with no transports (so no peers).
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
nil,
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, router.Start(ctx))
|
|
t.Cleanup(router.Wait)
|
|
|
|
// Opening a channel should work.
|
|
chctx, chcancel := context.WithCancel(ctx)
|
|
defer chcancel()
|
|
|
|
channel, err := router.OpenChannel(chctx, chDesc)
|
|
require.NoError(t, err)
|
|
require.Contains(t, router.NodeInfo().Channels, byte(chDesc.ID))
|
|
require.NotNil(t, channel)
|
|
|
|
// Opening the same channel again should fail.
|
|
_, err = router.OpenChannel(ctx, chDesc)
|
|
require.Error(t, err)
|
|
|
|
// Opening a different channel should work.
|
|
chDesc2 := &p2p.ChannelDescriptor{ID: 2, MessageType: &p2ptest.Message{}}
|
|
_, err = router.OpenChannel(ctx, chDesc2)
|
|
|
|
require.NoError(t, err)
|
|
require.Contains(t, router.NodeInfo().Channels, byte(chDesc2.ID))
|
|
|
|
// Closing the channel, then opening it again should be fine.
|
|
chcancel()
|
|
time.Sleep(200 * time.Millisecond) // yes yes, but Close() is async...
|
|
|
|
channel, err = router.OpenChannel(ctx, chDesc)
|
|
require.NoError(t, err)
|
|
|
|
// We should be able to send on the channel, even though there are no peers.
|
|
p2ptest.RequireSend(ctx, t, channel, p2p.Envelope{
|
|
To: types.NodeID(strings.Repeat("a", 40)),
|
|
Message: &p2ptest.Message{Value: "foo"},
|
|
})
|
|
|
|
// A message to ourselves should be dropped.
|
|
p2ptest.RequireSend(ctx, t, channel, p2p.Envelope{
|
|
To: selfID,
|
|
Message: &p2ptest.Message{Value: "self"},
|
|
})
|
|
p2ptest.RequireEmpty(ctx, t, channel)
|
|
}
|
|
|
|
// Channel tests are hairy to mock, so we use an in-memory network instead.
|
|
func TestRouter_Channel_SendReceive(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
// Create a test network and open a channel on all nodes.
|
|
network := p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: 3})
|
|
|
|
ids := network.NodeIDs()
|
|
aID, bID, cID := ids[0], ids[1], ids[2]
|
|
channels := network.MakeChannels(ctx, t, chDesc)
|
|
a, b, c := channels[aID], channels[bID], channels[cID]
|
|
otherChannels := network.MakeChannels(ctx, t, p2ptest.MakeChannelDesc(9))
|
|
|
|
network.Start(ctx, t)
|
|
|
|
// Sending a message a->b should work, and not send anything
|
|
// further to a, b, or c.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireReceive(ctx, t, b, p2p.Envelope{From: aID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Sending a nil message a->b should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: nil})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Sending a different message type should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: &gogotypes.BoolValue{Value: true}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Sending to an unknown peer should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{
|
|
To: types.NodeID(strings.Repeat("a", 40)),
|
|
Message: &p2ptest.Message{Value: "a"},
|
|
})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Sending without a recipient should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{Message: &p2ptest.Message{Value: "noto"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Sending to self should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: aID, Message: &p2ptest.Message{Value: "self"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// Removing b and sending to it should be dropped.
|
|
network.Remove(ctx, t, bID)
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: &p2ptest.Message{Value: "nob"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// After all this, sending a message c->a should work.
|
|
p2ptest.RequireSend(ctx, t, c, p2p.Envelope{To: aID, Message: &p2ptest.Message{Value: "bar"}})
|
|
p2ptest.RequireReceive(ctx, t, a, p2p.Envelope{From: cID, Message: &p2ptest.Message{Value: "bar"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c)
|
|
|
|
// None of these messages should have made it onto the other channels.
|
|
for _, other := range otherChannels {
|
|
p2ptest.RequireEmpty(ctx, t, other)
|
|
}
|
|
}
|
|
|
|
func TestRouter_Channel_Broadcast(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create a test network and open a channel on all nodes.
|
|
network := p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: 4})
|
|
|
|
ids := network.NodeIDs()
|
|
aID, bID, cID, dID := ids[0], ids[1], ids[2], ids[3]
|
|
channels := network.MakeChannels(ctx, t, chDesc)
|
|
a, b, c, d := channels[aID], channels[bID], channels[cID], channels[dID]
|
|
|
|
network.Start(ctx, t)
|
|
|
|
// Sending a broadcast from b should work.
|
|
p2ptest.RequireSend(ctx, t, b, p2p.Envelope{Broadcast: true, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireReceive(ctx, t, a, p2p.Envelope{From: bID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireReceive(ctx, t, c, p2p.Envelope{From: bID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireReceive(ctx, t, d, p2p.Envelope{From: bID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c, d)
|
|
|
|
// Removing one node from the network shouldn't prevent broadcasts from working.
|
|
network.Remove(ctx, t, dID)
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{Broadcast: true, Message: &p2ptest.Message{Value: "bar"}})
|
|
p2ptest.RequireReceive(ctx, t, b, p2p.Envelope{From: aID, Message: &p2ptest.Message{Value: "bar"}})
|
|
p2ptest.RequireReceive(ctx, t, c, p2p.Envelope{From: aID, Message: &p2ptest.Message{Value: "bar"}})
|
|
p2ptest.RequireEmpty(ctx, t, a, b, c, d)
|
|
}
|
|
|
|
func TestRouter_Channel_Wrapper(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create a test network and open a channel on all nodes.
|
|
network := p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: 2})
|
|
|
|
ids := network.NodeIDs()
|
|
aID, bID := ids[0], ids[1]
|
|
chDesc := &p2p.ChannelDescriptor{
|
|
ID: chID,
|
|
MessageType: &wrapperMessage{},
|
|
Priority: 5,
|
|
SendQueueCapacity: 10,
|
|
RecvMessageCapacity: 10,
|
|
}
|
|
|
|
channels := network.MakeChannels(ctx, t, chDesc)
|
|
a, b := channels[aID], channels[bID]
|
|
|
|
network.Start(ctx, t)
|
|
|
|
// Since wrapperMessage implements p2p.Wrapper and handles Message, it
|
|
// should automatically wrap and unwrap sent messages -- we prepend the
|
|
// wrapper actions to the message value to signal this.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: &p2ptest.Message{Value: "foo"}})
|
|
p2ptest.RequireReceive(ctx, t, b, p2p.Envelope{From: aID, Message: &p2ptest.Message{Value: "unwrap:wrap:foo"}})
|
|
|
|
// If we send a different message that can't be wrapped, it should be dropped.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{To: bID, Message: &gogotypes.BoolValue{Value: true}})
|
|
p2ptest.RequireEmpty(ctx, t, b)
|
|
|
|
// If we send the wrapper message itself, it should also be passed through
|
|
// since WrapperMessage supports it, and should only be unwrapped at the receiver.
|
|
p2ptest.RequireSend(ctx, t, a, p2p.Envelope{
|
|
To: bID,
|
|
Message: &wrapperMessage{Message: p2ptest.Message{Value: "foo"}},
|
|
})
|
|
p2ptest.RequireReceive(ctx, t, b, p2p.Envelope{
|
|
From: aID,
|
|
Message: &p2ptest.Message{Value: "unwrap:foo"},
|
|
})
|
|
|
|
}
|
|
|
|
// WrapperMessage prepends the value with "wrap:" and "unwrap:" to test it.
|
|
type wrapperMessage struct {
|
|
p2ptest.Message
|
|
}
|
|
|
|
var _ p2p.Wrapper = (*wrapperMessage)(nil)
|
|
|
|
func (w *wrapperMessage) Wrap(inner proto.Message) error {
|
|
switch inner := inner.(type) {
|
|
case *p2ptest.Message:
|
|
w.Message.Value = fmt.Sprintf("wrap:%v", inner.Value)
|
|
case *wrapperMessage:
|
|
*w = *inner
|
|
default:
|
|
return fmt.Errorf("invalid message type %T", inner)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (w *wrapperMessage) Unwrap() (proto.Message, error) {
|
|
return &p2ptest.Message{Value: fmt.Sprintf("unwrap:%v", w.Message.Value)}, nil
|
|
}
|
|
|
|
func TestRouter_Channel_Error(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create a test network and open a channel on all nodes.
|
|
network := p2ptest.MakeNetwork(ctx, t, p2ptest.NetworkOptions{NumNodes: 3})
|
|
network.Start(ctx, t)
|
|
|
|
ids := network.NodeIDs()
|
|
aID, bID := ids[0], ids[1]
|
|
channels := network.MakeChannels(ctx, t, chDesc)
|
|
a := channels[aID]
|
|
|
|
// Erroring b should cause it to be disconnected. It will reconnect shortly after.
|
|
sub := network.Nodes[aID].MakePeerUpdates(ctx, t)
|
|
p2ptest.RequireError(ctx, t, a, p2p.PeerError{NodeID: bID, Err: errors.New("boom")})
|
|
p2ptest.RequireUpdates(t, sub, []p2p.PeerUpdate{
|
|
{NodeID: bID, Status: p2p.PeerStatusDown},
|
|
{NodeID: bID, Status: p2p.PeerStatusUp},
|
|
})
|
|
}
|
|
|
|
func TestRouter_AcceptPeers(t *testing.T) {
|
|
testcases := map[string]struct {
|
|
peerInfo types.NodeInfo
|
|
peerKey crypto.PubKey
|
|
ok bool
|
|
}{
|
|
"valid handshake": {peerInfo, peerKey.PubKey(), true},
|
|
"empty handshake": {types.NodeInfo{}, nil, false},
|
|
"invalid key": {peerInfo, selfKey.PubKey(), false},
|
|
"self handshake": {selfInfo, selfKey.PubKey(), false},
|
|
"incompatible peer": {
|
|
types.NodeInfo{
|
|
NodeID: peerID,
|
|
ListenAddr: "0.0.0.0:0",
|
|
Network: "other-network",
|
|
Moniker: string(peerID),
|
|
},
|
|
peerKey.PubKey(),
|
|
false,
|
|
},
|
|
}
|
|
|
|
bctx, bcancel := context.WithCancel(context.Background())
|
|
defer bcancel()
|
|
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(bctx)
|
|
defer cancel()
|
|
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
// Set up a mock transport that handshakes.
|
|
closer := tmsync.NewCloser()
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
Return(tc.peerInfo, tc.peerKey, nil)
|
|
mockConnection.On("Close").Run(func(_ mock.Arguments) { closer.Close() }).Return(nil).Maybe()
|
|
mockConnection.On("RemoteEndpoint").Return(p2p.Endpoint{})
|
|
if tc.ok {
|
|
mockConnection.On("ReceiveMessage", mock.Anything).Return(chID, nil, io.EOF).Maybe()
|
|
}
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil).Maybe()
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(mockConnection, nil)
|
|
mockTransport.On("Accept", mock.Anything).Maybe().Return(nil, io.EOF)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
sub := peerManager.Subscribe(ctx)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
if tc.ok {
|
|
p2ptest.RequireUpdate(t, sub, p2p.PeerUpdate{
|
|
NodeID: tc.peerInfo.NodeID,
|
|
Status: p2p.PeerStatusUp,
|
|
})
|
|
// force a context switch so that the
|
|
// connection is handled.
|
|
time.Sleep(time.Millisecond)
|
|
} else {
|
|
select {
|
|
case <-closer.Done():
|
|
case <-time.After(100 * time.Millisecond):
|
|
require.Fail(t, "connection not closed")
|
|
}
|
|
}
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
mockConnection.AssertExpectations(t)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRouter_AcceptPeers_Error(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Set up a mock transport that returns an error, which should prevent
|
|
// the router from calling Accept again.
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(nil, errors.New("boom"))
|
|
mockTransport.On("Close").Return(nil)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, router.Start(ctx))
|
|
time.Sleep(time.Second)
|
|
require.NoError(t, router.Stop())
|
|
|
|
mockTransport.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_AcceptPeers_ErrorEOF(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Set up a mock transport that returns io.EOF once, which should prevent
|
|
// the router from calling Accept again.
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(nil, io.EOF)
|
|
mockTransport.On("Close").Return(nil)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, router.Start(ctx))
|
|
time.Sleep(time.Second)
|
|
require.NoError(t, router.Stop())
|
|
|
|
mockTransport.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_AcceptPeers_HeadOfLineBlocking(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Set up a mock transport that returns a connection that blocks during the
|
|
// handshake. It should be able to accept several of these in parallel, i.e.
|
|
// a single connection can't halt other connections being accepted.
|
|
acceptCh := make(chan bool, 3)
|
|
closeCh := make(chan time.Time)
|
|
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
WaitUntil(closeCh).Return(types.NodeInfo{}, nil, io.EOF)
|
|
mockConnection.On("Close").Return(nil)
|
|
mockConnection.On("RemoteEndpoint").Return(p2p.Endpoint{})
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil)
|
|
mockTransport.On("Accept", mock.Anything).Times(3).Run(func(_ mock.Arguments) {
|
|
acceptCh <- true
|
|
}).Return(mockConnection, nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(nil, io.EOF)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
require.Eventually(t, func() bool {
|
|
return len(acceptCh) == 3
|
|
}, time.Second, 10*time.Millisecond, "num", len(acceptCh))
|
|
close(closeCh)
|
|
time.Sleep(100 * time.Millisecond)
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
mockConnection.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_DialPeers(t *testing.T) {
|
|
testcases := map[string]struct {
|
|
dialID types.NodeID
|
|
peerInfo types.NodeInfo
|
|
peerKey crypto.PubKey
|
|
dialErr error
|
|
ok bool
|
|
}{
|
|
"valid dial": {peerInfo.NodeID, peerInfo, peerKey.PubKey(), nil, true},
|
|
"empty handshake": {peerInfo.NodeID, types.NodeInfo{}, nil, nil, false},
|
|
"invalid key": {peerInfo.NodeID, peerInfo, selfKey.PubKey(), nil, false},
|
|
"unexpected node ID": {peerInfo.NodeID, selfInfo, selfKey.PubKey(), nil, false},
|
|
"dial error": {peerInfo.NodeID, peerInfo, peerKey.PubKey(), errors.New("boom"), false},
|
|
"incompatible peer": {
|
|
peerInfo.NodeID,
|
|
types.NodeInfo{
|
|
NodeID: peerID,
|
|
ListenAddr: "0.0.0.0:0",
|
|
Network: "other-network",
|
|
Moniker: string(peerID),
|
|
},
|
|
peerKey.PubKey(),
|
|
nil,
|
|
false,
|
|
},
|
|
}
|
|
|
|
bctx, bcancel := context.WithCancel(context.Background())
|
|
defer bcancel()
|
|
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
ctx, cancel := context.WithCancel(bctx)
|
|
defer cancel()
|
|
|
|
address := p2p.NodeAddress{Protocol: "mock", NodeID: tc.dialID}
|
|
endpoint := p2p.Endpoint{Protocol: "mock", Path: string(tc.dialID)}
|
|
|
|
// Set up a mock transport that handshakes.
|
|
closer := tmsync.NewCloser()
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
if tc.dialErr == nil {
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
Return(tc.peerInfo, tc.peerKey, nil)
|
|
mockConnection.On("Close").Run(func(_ mock.Arguments) { closer.Close() }).Return(nil).Maybe()
|
|
}
|
|
if tc.ok {
|
|
mockConnection.On("ReceiveMessage", mock.Anything).Return(chID, nil, io.EOF).Maybe()
|
|
}
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil).Maybe()
|
|
mockTransport.On("Accept", mock.Anything).Maybe().Return(nil, io.EOF)
|
|
if tc.dialErr == nil {
|
|
mockTransport.On("Dial", mock.Anything, endpoint).Once().Return(mockConnection, nil)
|
|
// This handles the retry when a dialed connection gets closed after ReceiveMessage
|
|
// returns io.EOF above.
|
|
mockTransport.On("Dial", mock.Anything, endpoint).Maybe().Return(nil, io.EOF)
|
|
} else {
|
|
mockTransport.On("Dial", mock.Anything, endpoint).Once().
|
|
Run(func(_ mock.Arguments) { closer.Close() }).
|
|
Return(nil, tc.dialErr)
|
|
}
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
added, err := peerManager.Add(address)
|
|
require.NoError(t, err)
|
|
require.True(t, added)
|
|
sub := peerManager.Subscribe(ctx)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
if tc.ok {
|
|
p2ptest.RequireUpdate(t, sub, p2p.PeerUpdate{
|
|
NodeID: tc.peerInfo.NodeID,
|
|
Status: p2p.PeerStatusUp,
|
|
})
|
|
// force a context switch so that the
|
|
// connection is handled.
|
|
time.Sleep(time.Millisecond)
|
|
} else {
|
|
select {
|
|
case <-closer.Done():
|
|
case <-time.After(100 * time.Millisecond):
|
|
require.Fail(t, "connection not closed")
|
|
}
|
|
}
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
mockConnection.AssertExpectations(t)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRouter_DialPeers_Parallel(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
a := p2p.NodeAddress{Protocol: "mock", NodeID: types.NodeID(strings.Repeat("a", 40))}
|
|
b := p2p.NodeAddress{Protocol: "mock", NodeID: types.NodeID(strings.Repeat("b", 40))}
|
|
c := p2p.NodeAddress{Protocol: "mock", NodeID: types.NodeID(strings.Repeat("c", 40))}
|
|
|
|
// Set up a mock transport that returns a connection that blocks during the
|
|
// handshake. It should dial all peers in parallel.
|
|
dialCh := make(chan bool, 3)
|
|
closeCh := make(chan time.Time)
|
|
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
WaitUntil(closeCh).Return(types.NodeInfo{}, nil, io.EOF)
|
|
mockConnection.On("Close").Return(nil)
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(nil, io.EOF)
|
|
for _, address := range []p2p.NodeAddress{a, b, c} {
|
|
endpoint := p2p.Endpoint{Protocol: address.Protocol, Path: string(address.NodeID)}
|
|
mockTransport.On("Dial", mock.Anything, endpoint).Run(func(_ mock.Arguments) {
|
|
dialCh <- true
|
|
}).Return(mockConnection, nil)
|
|
}
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
added, err := peerManager.Add(a)
|
|
require.NoError(t, err)
|
|
require.True(t, added)
|
|
|
|
added, err = peerManager.Add(b)
|
|
require.NoError(t, err)
|
|
require.True(t, added)
|
|
|
|
added, err = peerManager.Add(c)
|
|
require.NoError(t, err)
|
|
require.True(t, added)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{
|
|
DialSleep: func(_ context.Context) {},
|
|
NumConcurrentDials: func() int {
|
|
ncpu := runtime.NumCPU()
|
|
if ncpu <= 3 {
|
|
return 3
|
|
}
|
|
return ncpu
|
|
},
|
|
},
|
|
)
|
|
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
require.Eventually(t,
|
|
func() bool {
|
|
return len(dialCh) == 3
|
|
},
|
|
5*time.Second,
|
|
100*time.Millisecond,
|
|
"reached %d rather than 3", len(dialCh))
|
|
|
|
close(closeCh)
|
|
time.Sleep(500 * time.Millisecond)
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
mockConnection.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_EvictPeers(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Set up a mock transport that we can evict.
|
|
closeCh := make(chan time.Time)
|
|
closeOnce := sync.Once{}
|
|
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
Return(peerInfo, peerKey.PubKey(), nil)
|
|
mockConnection.On("ReceiveMessage", mock.Anything).WaitUntil(closeCh).Return(chID, nil, io.EOF)
|
|
mockConnection.On("RemoteEndpoint").Return(p2p.Endpoint{})
|
|
mockConnection.On("Close").Run(func(_ mock.Arguments) {
|
|
closeOnce.Do(func() {
|
|
close(closeCh)
|
|
})
|
|
}).Return(nil)
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(mockConnection, nil)
|
|
mockTransport.On("Accept", mock.Anything).Maybe().Return(nil, io.EOF)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
sub := peerManager.Subscribe(ctx)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
// Wait for the mock peer to connect, then evict it by reporting an error.
|
|
p2ptest.RequireUpdate(t, sub, p2p.PeerUpdate{
|
|
NodeID: peerInfo.NodeID,
|
|
Status: p2p.PeerStatusUp,
|
|
})
|
|
|
|
peerManager.Errored(peerInfo.NodeID, errors.New("boom"))
|
|
|
|
p2ptest.RequireUpdate(t, sub, p2p.PeerUpdate{
|
|
NodeID: peerInfo.NodeID,
|
|
Status: p2p.PeerStatusDown,
|
|
})
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
mockConnection.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_ChannelCompatability(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
incompatiblePeer := types.NodeInfo{
|
|
NodeID: peerID,
|
|
ListenAddr: "0.0.0.0:0",
|
|
Network: "test",
|
|
Moniker: string(peerID),
|
|
Channels: []byte{0x03},
|
|
}
|
|
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
Return(incompatiblePeer, peerKey.PubKey(), nil)
|
|
mockConnection.On("RemoteEndpoint").Return(p2p.Endpoint{})
|
|
mockConnection.On("Close").Return(nil)
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(mockConnection, nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(nil, io.EOF)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
time.Sleep(1 * time.Second)
|
|
require.NoError(t, router.Stop())
|
|
require.Empty(t, peerManager.Peers())
|
|
|
|
mockConnection.AssertExpectations(t)
|
|
mockTransport.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRouter_DontSendOnInvalidChannel(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
peer := types.NodeInfo{
|
|
NodeID: peerID,
|
|
ListenAddr: "0.0.0.0:0",
|
|
Network: "test",
|
|
Moniker: string(peerID),
|
|
Channels: []byte{0x02},
|
|
}
|
|
|
|
mockConnection := &mocks.Connection{}
|
|
mockConnection.On("String").Maybe().Return("mock")
|
|
mockConnection.On("Handshake", mock.Anything, selfInfo, selfKey).
|
|
Return(peer, peerKey.PubKey(), nil)
|
|
mockConnection.On("RemoteEndpoint").Return(p2p.Endpoint{})
|
|
mockConnection.On("Close").Return(nil)
|
|
mockConnection.On("ReceiveMessage", mock.Anything).Return(chID, nil, io.EOF)
|
|
|
|
mockTransport := &mocks.Transport{}
|
|
mockTransport.On("AddChannelDescriptors", mock.Anything).Return()
|
|
mockTransport.On("String").Maybe().Return("mock")
|
|
mockTransport.On("Protocols").Return([]p2p.Protocol{"mock"})
|
|
mockTransport.On("Close").Return(nil)
|
|
mockTransport.On("Accept", mock.Anything).Once().Return(mockConnection, nil)
|
|
mockTransport.On("Accept", mock.Anything).Maybe().Return(nil, io.EOF)
|
|
|
|
// Set up and start the router.
|
|
peerManager, err := p2p.NewPeerManager(selfID, dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
|
|
sub := peerManager.Subscribe(ctx)
|
|
|
|
router, err := p2p.NewRouter(
|
|
ctx,
|
|
log.TestingLogger(),
|
|
p2p.NopMetrics(),
|
|
selfInfo,
|
|
selfKey,
|
|
peerManager,
|
|
[]p2p.Transport{mockTransport},
|
|
nil,
|
|
p2p.RouterOptions{},
|
|
)
|
|
require.NoError(t, err)
|
|
require.NoError(t, router.Start(ctx))
|
|
|
|
p2ptest.RequireUpdate(t, sub, p2p.PeerUpdate{
|
|
NodeID: peerInfo.NodeID,
|
|
Status: p2p.PeerStatusUp,
|
|
})
|
|
|
|
channel, err := router.OpenChannel(ctx, chDesc)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, channel.Send(ctx, p2p.Envelope{
|
|
To: peer.NodeID,
|
|
Message: &p2ptest.Message{Value: "Hi"},
|
|
}))
|
|
|
|
require.NoError(t, router.Stop())
|
|
mockTransport.AssertExpectations(t)
|
|
}
|