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214 lines
5.6 KiB
214 lines
5.6 KiB
package p2p
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import (
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"bytes"
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"sync"
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"testing"
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"time"
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"github.com/tendermint/tendermint/binary"
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. "github.com/tendermint/tendermint/common"
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)
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type PeerMessage struct {
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PeerKey string
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Bytes []byte
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Counter int
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}
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type TestReactor struct {
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mtx sync.Mutex
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channels []*ChannelDescriptor
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peersAdded []*Peer
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peersRemoved []*Peer
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logMessages bool
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msgsCounter int
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msgsReceived map[byte][]PeerMessage
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}
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func NewTestReactor(channels []*ChannelDescriptor, logMessages bool) *TestReactor {
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return &TestReactor{
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channels: channels,
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logMessages: logMessages,
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msgsReceived: make(map[byte][]PeerMessage),
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}
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}
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func (tr *TestReactor) Start(sw *Switch) {
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}
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func (tr *TestReactor) Stop() {
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}
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func (tr *TestReactor) GetChannels() []*ChannelDescriptor {
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return tr.channels
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}
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func (tr *TestReactor) AddPeer(peer *Peer) {
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tr.mtx.Lock()
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defer tr.mtx.Unlock()
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tr.peersAdded = append(tr.peersAdded, peer)
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}
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func (tr *TestReactor) RemovePeer(peer *Peer, reason interface{}) {
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tr.mtx.Lock()
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defer tr.mtx.Unlock()
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tr.peersRemoved = append(tr.peersRemoved, peer)
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}
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func (tr *TestReactor) Receive(chId byte, peer *Peer, msgBytes []byte) {
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if tr.logMessages {
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tr.mtx.Lock()
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defer tr.mtx.Unlock()
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//fmt.Printf("Received: %X, %X\n", chId, msgBytes)
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tr.msgsReceived[chId] = append(tr.msgsReceived[chId], PeerMessage{peer.Key, msgBytes, tr.msgsCounter})
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tr.msgsCounter++
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}
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}
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//-----------------------------------------------------------------------------
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// convenience method for creating two switches connected to each other.
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func makeSwitchPair(t testing.TB, initSwitch func(*Switch) *Switch) (*Switch, *Switch) {
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// Create two switches that will be interconnected.
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s1 := initSwitch(NewSwitch())
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s2 := initSwitch(NewSwitch())
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// Create a listener for s1
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l := NewDefaultListener("tcp", ":8001", true)
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// Dial the listener & add the connection to s2.
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lAddr := l.ExternalAddress()
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connOut, err := lAddr.Dial()
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if err != nil {
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t.Fatalf("Could not connect to listener address %v", lAddr)
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} else {
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t.Logf("Created a connection to listener address %v", lAddr)
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}
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connIn, ok := <-l.Connections()
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if !ok {
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t.Fatalf("Could not get inbound connection from listener")
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}
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s1.AddPeerWithConnection(connIn, false)
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s2.AddPeerWithConnection(connOut, true)
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// Wait for things to happen, peers to get added...
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time.Sleep(100 * time.Millisecond)
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// Close the server, no longer needed.
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l.Stop()
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return s1, s2
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}
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func TestSwitches(t *testing.T) {
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s1, s2 := makeSwitchPair(t, func(sw *Switch) *Switch {
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// Make two reactors of two channels each
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sw.AddReactor("foo", NewTestReactor([]*ChannelDescriptor{
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&ChannelDescriptor{Id: byte(0x00), Priority: 10},
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&ChannelDescriptor{Id: byte(0x01), Priority: 10},
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}, true)).Start(sw) // Start the reactor
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sw.AddReactor("bar", NewTestReactor([]*ChannelDescriptor{
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&ChannelDescriptor{Id: byte(0x02), Priority: 10},
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&ChannelDescriptor{Id: byte(0x03), Priority: 10},
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}, true)).Start(sw) // Start the reactor
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return sw
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})
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defer s1.Stop()
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defer s2.Stop()
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// Lets send a message from s1 to s2.
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if s1.Peers().Size() != 1 {
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t.Errorf("Expected exactly 1 peer in s1, got %v", s1.Peers().Size())
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}
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if s2.Peers().Size() != 1 {
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t.Errorf("Expected exactly 1 peer in s2, got %v", s2.Peers().Size())
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}
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ch0Msg := "channel zero"
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ch1Msg := "channel foo"
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ch2Msg := "channel bar"
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s1.Broadcast(byte(0x00), ch0Msg)
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s1.Broadcast(byte(0x01), ch1Msg)
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s1.Broadcast(byte(0x02), ch2Msg)
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// Wait for things to settle...
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time.Sleep(5000 * time.Millisecond)
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// Check message on ch0
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ch0Msgs := s2.Reactor("foo").(*TestReactor).msgsReceived[byte(0x00)]
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if len(ch0Msgs) != 2 {
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t.Errorf("Expected to have received 1 message in ch0")
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}
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if !bytes.Equal(ch0Msgs[1].Bytes, binary.BinaryBytes(ch0Msg)) {
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t.Errorf("Unexpected message bytes. Wanted: %X, Got: %X", binary.BinaryBytes(ch0Msg), ch0Msgs[0].Bytes)
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}
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// Check message on ch1
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ch1Msgs := s2.Reactor("foo").(*TestReactor).msgsReceived[byte(0x01)]
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if len(ch1Msgs) != 1 {
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t.Errorf("Expected to have received 1 message in ch1")
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}
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if !bytes.Equal(ch1Msgs[0].Bytes, binary.BinaryBytes(ch1Msg)) {
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t.Errorf("Unexpected message bytes. Wanted: %X, Got: %X", binary.BinaryBytes(ch1Msg), ch1Msgs[0].Bytes)
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}
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// Check message on ch2
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ch2Msgs := s2.Reactor("bar").(*TestReactor).msgsReceived[byte(0x02)]
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if len(ch2Msgs) != 1 {
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t.Errorf("Expected to have received 1 message in ch2")
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}
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if !bytes.Equal(ch2Msgs[0].Bytes, binary.BinaryBytes(ch2Msg)) {
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t.Errorf("Unexpected message bytes. Wanted: %X, Got: %X", binary.BinaryBytes(ch2Msg), ch2Msgs[0].Bytes)
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}
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}
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func BenchmarkSwitches(b *testing.B) {
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b.StopTimer()
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s1, s2 := makeSwitchPair(b, func(sw *Switch) *Switch {
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// Make bar reactors of bar channels each
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sw.AddReactor("foo", NewTestReactor([]*ChannelDescriptor{
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&ChannelDescriptor{Id: byte(0x00), Priority: 10},
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&ChannelDescriptor{Id: byte(0x01), Priority: 10},
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}, false))
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sw.AddReactor("bar", NewTestReactor([]*ChannelDescriptor{
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&ChannelDescriptor{Id: byte(0x02), Priority: 10},
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&ChannelDescriptor{Id: byte(0x03), Priority: 10},
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}, false))
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return sw
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})
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defer s1.Stop()
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defer s2.Stop()
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// Allow time for goroutines to boot up
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time.Sleep(1000 * time.Millisecond)
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b.StartTimer()
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numSuccess, numFailure := 0, 0
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// Send random message from foo channel to another
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for i := 0; i < b.N; i++ {
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chId := byte(i % 4)
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successChan := s1.Broadcast(chId, "test data")
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for s := range successChan {
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if s {
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numSuccess += 1
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} else {
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numFailure += 1
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}
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}
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}
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log.Warn(Fmt("success: %v, failure: %v", numSuccess, numFailure))
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// Allow everything to flush before stopping switches & closing connections.
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b.StopTimer()
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time.Sleep(1000 * time.Millisecond)
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}
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