345 lines
8.8 KiB
Go
345 lines
8.8 KiB
Go
package p2p
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"net"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
crypto "github.com/tendermint/go-crypto"
|
|
wire "github.com/tendermint/go-wire"
|
|
"github.com/tendermint/tmlibs/log"
|
|
|
|
cfg "github.com/tendermint/tendermint/config"
|
|
)
|
|
|
|
var (
|
|
config *cfg.P2PConfig
|
|
)
|
|
|
|
func init() {
|
|
config = cfg.DefaultP2PConfig()
|
|
config.PexReactor = true
|
|
}
|
|
|
|
type PeerMessage struct {
|
|
PeerKey string
|
|
Bytes []byte
|
|
Counter int
|
|
}
|
|
|
|
type TestReactor struct {
|
|
BaseReactor
|
|
|
|
mtx sync.Mutex
|
|
channels []*ChannelDescriptor
|
|
peersAdded []Peer
|
|
peersRemoved []Peer
|
|
logMessages bool
|
|
msgsCounter int
|
|
msgsReceived map[byte][]PeerMessage
|
|
}
|
|
|
|
func NewTestReactor(channels []*ChannelDescriptor, logMessages bool) *TestReactor {
|
|
tr := &TestReactor{
|
|
channels: channels,
|
|
logMessages: logMessages,
|
|
msgsReceived: make(map[byte][]PeerMessage),
|
|
}
|
|
tr.BaseReactor = *NewBaseReactor("TestReactor", tr)
|
|
tr.SetLogger(log.TestingLogger())
|
|
return tr
|
|
}
|
|
|
|
func (tr *TestReactor) GetChannels() []*ChannelDescriptor {
|
|
return tr.channels
|
|
}
|
|
|
|
func (tr *TestReactor) AddPeer(peer Peer) {
|
|
tr.mtx.Lock()
|
|
defer tr.mtx.Unlock()
|
|
tr.peersAdded = append(tr.peersAdded, peer)
|
|
}
|
|
|
|
func (tr *TestReactor) RemovePeer(peer Peer, reason interface{}) {
|
|
tr.mtx.Lock()
|
|
defer tr.mtx.Unlock()
|
|
tr.peersRemoved = append(tr.peersRemoved, peer)
|
|
}
|
|
|
|
func (tr *TestReactor) Receive(chID byte, peer Peer, msgBytes []byte) {
|
|
if tr.logMessages {
|
|
tr.mtx.Lock()
|
|
defer tr.mtx.Unlock()
|
|
//fmt.Printf("Received: %X, %X\n", chID, msgBytes)
|
|
tr.msgsReceived[chID] = append(tr.msgsReceived[chID], PeerMessage{peer.Key(), msgBytes, tr.msgsCounter})
|
|
tr.msgsCounter++
|
|
}
|
|
}
|
|
|
|
func (tr *TestReactor) getMsgs(chID byte) []PeerMessage {
|
|
tr.mtx.Lock()
|
|
defer tr.mtx.Unlock()
|
|
return tr.msgsReceived[chID]
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// convenience method for creating two switches connected to each other.
|
|
// XXX: note this uses net.Pipe and not a proper TCP conn
|
|
func makeSwitchPair(t testing.TB, initSwitch func(int, *Switch) *Switch) (*Switch, *Switch) {
|
|
// Create two switches that will be interconnected.
|
|
switches := MakeConnectedSwitches(config, 2, initSwitch, Connect2Switches)
|
|
return switches[0], switches[1]
|
|
}
|
|
|
|
func initSwitchFunc(i int, sw *Switch) *Switch {
|
|
// Make two reactors of two channels each
|
|
sw.AddReactor("foo", NewTestReactor([]*ChannelDescriptor{
|
|
{ID: byte(0x00), Priority: 10},
|
|
{ID: byte(0x01), Priority: 10},
|
|
}, true))
|
|
sw.AddReactor("bar", NewTestReactor([]*ChannelDescriptor{
|
|
{ID: byte(0x02), Priority: 10},
|
|
{ID: byte(0x03), Priority: 10},
|
|
}, true))
|
|
return sw
|
|
}
|
|
|
|
func TestSwitches(t *testing.T) {
|
|
s1, s2 := makeSwitchPair(t, initSwitchFunc)
|
|
defer s1.Stop()
|
|
defer s2.Stop()
|
|
|
|
if s1.Peers().Size() != 1 {
|
|
t.Errorf("Expected exactly 1 peer in s1, got %v", s1.Peers().Size())
|
|
}
|
|
if s2.Peers().Size() != 1 {
|
|
t.Errorf("Expected exactly 1 peer in s2, got %v", s2.Peers().Size())
|
|
}
|
|
|
|
// Lets send some messages
|
|
ch0Msg := "channel zero"
|
|
ch1Msg := "channel foo"
|
|
ch2Msg := "channel bar"
|
|
|
|
s1.Broadcast(byte(0x00), ch0Msg)
|
|
s1.Broadcast(byte(0x01), ch1Msg)
|
|
s1.Broadcast(byte(0x02), ch2Msg)
|
|
|
|
assertMsgReceivedWithTimeout(t, ch0Msg, byte(0x00), s2.Reactor("foo").(*TestReactor), 10*time.Millisecond, 5*time.Second)
|
|
assertMsgReceivedWithTimeout(t, ch1Msg, byte(0x01), s2.Reactor("foo").(*TestReactor), 10*time.Millisecond, 5*time.Second)
|
|
assertMsgReceivedWithTimeout(t, ch2Msg, byte(0x02), s2.Reactor("bar").(*TestReactor), 10*time.Millisecond, 5*time.Second)
|
|
}
|
|
|
|
func assertMsgReceivedWithTimeout(t *testing.T, msg string, channel byte, reactor *TestReactor, checkPeriod, timeout time.Duration) {
|
|
ticker := time.NewTicker(checkPeriod)
|
|
for {
|
|
select {
|
|
case <-ticker.C:
|
|
msgs := reactor.getMsgs(channel)
|
|
if len(msgs) > 0 {
|
|
if !bytes.Equal(msgs[0].Bytes, wire.BinaryBytes(msg)) {
|
|
t.Fatalf("Unexpected message bytes. Wanted: %X, Got: %X", wire.BinaryBytes(msg), msgs[0].Bytes)
|
|
}
|
|
return
|
|
}
|
|
case <-time.After(timeout):
|
|
t.Fatalf("Expected to have received 1 message in channel #%v, got zero", channel)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestConnAddrFilter(t *testing.T) {
|
|
s1 := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
s2 := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
defer s1.Stop()
|
|
defer s2.Stop()
|
|
|
|
c1, c2 := netPipe()
|
|
|
|
s1.SetAddrFilter(func(addr net.Addr) error {
|
|
if addr.String() == c1.RemoteAddr().String() {
|
|
return fmt.Errorf("Error: pipe is blacklisted")
|
|
}
|
|
return nil
|
|
})
|
|
|
|
// connect to good peer
|
|
go func() {
|
|
err := s1.addPeerWithConnection(c1)
|
|
assert.NotNil(t, err, "expected err")
|
|
}()
|
|
go func() {
|
|
err := s2.addPeerWithConnection(c2)
|
|
assert.NotNil(t, err, "expected err")
|
|
}()
|
|
|
|
assertNoPeersAfterTimeout(t, s1, 400*time.Millisecond)
|
|
assertNoPeersAfterTimeout(t, s2, 400*time.Millisecond)
|
|
}
|
|
|
|
func assertNoPeersAfterTimeout(t *testing.T, sw *Switch, timeout time.Duration) {
|
|
time.Sleep(timeout)
|
|
if sw.Peers().Size() != 0 {
|
|
t.Fatalf("Expected %v to not connect to some peers, got %d", sw, sw.Peers().Size())
|
|
}
|
|
}
|
|
|
|
func TestConnPubKeyFilter(t *testing.T) {
|
|
s1 := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
s2 := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
defer s1.Stop()
|
|
defer s2.Stop()
|
|
|
|
c1, c2 := netPipe()
|
|
|
|
// set pubkey filter
|
|
s1.SetPubKeyFilter(func(pubkey crypto.PubKey) error {
|
|
if bytes.Equal(pubkey.Bytes(), s2.nodeInfo.PubKey.Bytes()) {
|
|
return fmt.Errorf("Error: pipe is blacklisted")
|
|
}
|
|
return nil
|
|
})
|
|
|
|
// connect to good peer
|
|
go func() {
|
|
err := s1.addPeerWithConnection(c1)
|
|
assert.NotNil(t, err, "expected error")
|
|
}()
|
|
go func() {
|
|
err := s2.addPeerWithConnection(c2)
|
|
assert.NotNil(t, err, "expected error")
|
|
}()
|
|
|
|
assertNoPeersAfterTimeout(t, s1, 400*time.Millisecond)
|
|
assertNoPeersAfterTimeout(t, s2, 400*time.Millisecond)
|
|
}
|
|
|
|
func TestSwitchStopsNonPersistentPeerOnError(t *testing.T) {
|
|
assert, require := assert.New(t), require.New(t)
|
|
|
|
sw := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
err := sw.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer sw.Stop()
|
|
|
|
// simulate remote peer
|
|
rp := &remotePeer{PrivKey: crypto.GenPrivKeyEd25519().Wrap(), Config: DefaultPeerConfig()}
|
|
rp.Start()
|
|
defer rp.Stop()
|
|
|
|
peer, err := newOutboundPeer(rp.Addr(), sw.reactorsByCh, sw.chDescs, sw.StopPeerForError, sw.nodePrivKey, DefaultPeerConfig())
|
|
require.Nil(err)
|
|
err = sw.addPeer(peer)
|
|
require.Nil(err)
|
|
|
|
// simulate failure by closing connection
|
|
peer.CloseConn()
|
|
|
|
assertNoPeersAfterTimeout(t, sw, 100*time.Millisecond)
|
|
assert.False(peer.IsRunning())
|
|
}
|
|
|
|
func TestSwitchReconnectsToPersistentPeer(t *testing.T) {
|
|
assert, require := assert.New(t), require.New(t)
|
|
|
|
sw := makeSwitch(config, 1, "testing", "123.123.123", initSwitchFunc)
|
|
err := sw.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer sw.Stop()
|
|
|
|
// simulate remote peer
|
|
rp := &remotePeer{PrivKey: crypto.GenPrivKeyEd25519().Wrap(), Config: DefaultPeerConfig()}
|
|
rp.Start()
|
|
defer rp.Stop()
|
|
|
|
peer, err := newOutboundPeer(rp.Addr(), sw.reactorsByCh, sw.chDescs, sw.StopPeerForError, sw.nodePrivKey, DefaultPeerConfig())
|
|
peer.makePersistent()
|
|
require.Nil(err)
|
|
err = sw.addPeer(peer)
|
|
require.Nil(err)
|
|
|
|
// simulate failure by closing connection
|
|
peer.CloseConn()
|
|
|
|
// TODO: remove sleep, detect the disconnection, wait for reconnect
|
|
npeers := sw.Peers().Size()
|
|
for i := 0; i < 20; i++ {
|
|
time.Sleep(250 * time.Millisecond)
|
|
npeers = sw.Peers().Size()
|
|
if npeers > 0 {
|
|
break
|
|
}
|
|
}
|
|
assert.NotZero(npeers)
|
|
assert.False(peer.IsRunning())
|
|
}
|
|
|
|
func TestSwitchFullConnectivity(t *testing.T) {
|
|
switches := MakeConnectedSwitches(config, 3, initSwitchFunc, Connect2Switches)
|
|
defer func() {
|
|
for _, sw := range switches {
|
|
sw.Stop()
|
|
}
|
|
}()
|
|
|
|
for i, sw := range switches {
|
|
if sw.Peers().Size() != 2 {
|
|
t.Fatalf("Expected each switch to be connected to 2 other, but %d switch only connected to %d", sw.Peers().Size(), i)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkSwitches(b *testing.B) {
|
|
b.StopTimer()
|
|
|
|
s1, s2 := makeSwitchPair(b, func(i int, sw *Switch) *Switch {
|
|
// Make bar reactors of bar channels each
|
|
sw.AddReactor("foo", NewTestReactor([]*ChannelDescriptor{
|
|
{ID: byte(0x00), Priority: 10},
|
|
{ID: byte(0x01), Priority: 10},
|
|
}, false))
|
|
sw.AddReactor("bar", NewTestReactor([]*ChannelDescriptor{
|
|
{ID: byte(0x02), Priority: 10},
|
|
{ID: byte(0x03), Priority: 10},
|
|
}, false))
|
|
return sw
|
|
})
|
|
defer s1.Stop()
|
|
defer s2.Stop()
|
|
|
|
// Allow time for goroutines to boot up
|
|
time.Sleep(1 * time.Second)
|
|
b.StartTimer()
|
|
|
|
numSuccess, numFailure := 0, 0
|
|
|
|
// Send random message from foo channel to another
|
|
for i := 0; i < b.N; i++ {
|
|
chID := byte(i % 4)
|
|
successChan := s1.Broadcast(chID, "test data")
|
|
for s := range successChan {
|
|
if s {
|
|
numSuccess++
|
|
} else {
|
|
numFailure++
|
|
}
|
|
}
|
|
}
|
|
|
|
b.Logf("success: %v, failure: %v", numSuccess, numFailure)
|
|
|
|
// Allow everything to flush before stopping switches & closing connections.
|
|
b.StopTimer()
|
|
}
|