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.
141 lines
3.8 KiB
141 lines
3.8 KiB
package p2p_test
|
|
|
|
import (
|
|
"errors"
|
|
"testing"
|
|
|
|
"github.com/fortytw2/leaktest"
|
|
gogotypes "github.com/gogo/protobuf/types"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
dbm "github.com/tendermint/tm-db"
|
|
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
)
|
|
|
|
type TestMessage = gogotypes.StringValue
|
|
|
|
func echoReactor(channel *p2p.Channel) {
|
|
for {
|
|
select {
|
|
case envelope := <-channel.In():
|
|
channel.Out() <- p2p.Envelope{
|
|
To: envelope.From,
|
|
Message: &TestMessage{Value: envelope.Message.(*TestMessage).Value},
|
|
}
|
|
case <-channel.Done():
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRouter(t *testing.T) {
|
|
defer leaktest.Check(t)()
|
|
|
|
logger := log.TestingLogger()
|
|
network := p2p.NewMemoryNetwork(logger)
|
|
transport := network.GenerateTransport()
|
|
chID := p2p.ChannelID(1)
|
|
|
|
// Start some other in-memory network nodes to communicate with, running
|
|
// a simple echo reactor that returns received messages.
|
|
peers := []p2p.PeerAddress{}
|
|
for i := 0; i < 3; i++ {
|
|
i := i
|
|
peerManager, err := p2p.NewPeerManager(dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
peerTransport := network.GenerateTransport()
|
|
peerRouter := p2p.NewRouter(
|
|
logger.With("peerID", i),
|
|
peerManager,
|
|
map[p2p.Protocol]p2p.Transport{
|
|
p2p.MemoryProtocol: peerTransport,
|
|
},
|
|
)
|
|
peers = append(peers, peerTransport.Endpoints()[0].PeerAddress())
|
|
|
|
channel, err := peerRouter.OpenChannel(chID, &TestMessage{})
|
|
require.NoError(t, err)
|
|
defer channel.Close()
|
|
go echoReactor(channel)
|
|
|
|
err = peerRouter.Start()
|
|
require.NoError(t, err)
|
|
defer func() { require.NoError(t, peerRouter.Stop()) }()
|
|
}
|
|
|
|
// Start the main router and connect it to the peers above.
|
|
peerManager, err := p2p.NewPeerManager(dbm.NewMemDB(), p2p.PeerManagerOptions{})
|
|
require.NoError(t, err)
|
|
defer peerManager.Close()
|
|
for _, address := range peers {
|
|
err := peerManager.Add(address)
|
|
require.NoError(t, err)
|
|
}
|
|
peerUpdates := peerManager.Subscribe()
|
|
defer peerUpdates.Close()
|
|
|
|
router := p2p.NewRouter(logger, peerManager, map[p2p.Protocol]p2p.Transport{
|
|
p2p.MemoryProtocol: transport,
|
|
})
|
|
|
|
channel, err := router.OpenChannel(chID, &TestMessage{})
|
|
require.NoError(t, err)
|
|
defer channel.Close()
|
|
|
|
err = router.Start()
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
// Since earlier defers are closed after this, and we have to make sure
|
|
// we close channels and subscriptions before the router, we explicitly
|
|
// close them here to.
|
|
peerUpdates.Close()
|
|
channel.Close()
|
|
require.NoError(t, router.Stop())
|
|
}()
|
|
|
|
// Wait for peers to come online, and ping them as they do.
|
|
for i := 0; i < len(peers); i++ {
|
|
peerUpdate := <-peerUpdates.Updates()
|
|
peerID := peerUpdate.PeerID
|
|
require.Equal(t, p2p.PeerUpdate{
|
|
PeerID: peerID,
|
|
Status: p2p.PeerStatusUp,
|
|
}, peerUpdate)
|
|
|
|
channel.Out() <- p2p.Envelope{To: peerID, Message: &TestMessage{Value: "hi!"}}
|
|
assert.Equal(t, p2p.Envelope{
|
|
From: peerID,
|
|
Message: &TestMessage{Value: "hi!"},
|
|
}, (<-channel.In()).Strip())
|
|
}
|
|
|
|
// We then submit an error for a peer, and watch it get disconnected.
|
|
channel.Error() <- p2p.PeerError{
|
|
PeerID: peers[0].ID,
|
|
Err: errors.New("test error"),
|
|
Severity: p2p.PeerErrorSeverityCritical,
|
|
}
|
|
peerUpdate := <-peerUpdates.Updates()
|
|
require.Equal(t, p2p.PeerUpdate{
|
|
PeerID: peers[0].ID,
|
|
Status: p2p.PeerStatusDown,
|
|
}, peerUpdate)
|
|
|
|
// We now broadcast a message, which we should receive back from only two peers.
|
|
channel.Out() <- p2p.Envelope{
|
|
Broadcast: true,
|
|
Message: &TestMessage{Value: "broadcast"},
|
|
}
|
|
for i := 0; i < len(peers)-1; i++ {
|
|
envelope := <-channel.In()
|
|
require.NotEqual(t, peers[0].ID, envelope.From)
|
|
require.Equal(t, &TestMessage{Value: "broadcast"}, envelope.Message)
|
|
}
|
|
select {
|
|
case envelope := <-channel.In():
|
|
t.Errorf("unexpected message: %v", envelope)
|
|
default:
|
|
}
|
|
}
|