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.
492 lines
13 KiB
492 lines
13 KiB
package conn
|
|
|
|
import (
|
|
"bytes"
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/fortytw2/leaktest"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
amino "github.com/tendermint/go-amino"
|
|
"github.com/tendermint/tmlibs/log"
|
|
)
|
|
|
|
const maxPingPongPacketSize = 1024 // bytes
|
|
|
|
func createTestMConnection(conn net.Conn) *MConnection {
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
}
|
|
onError := func(r interface{}) {
|
|
}
|
|
c := createMConnectionWithCallbacks(conn, onReceive, onError)
|
|
c.SetLogger(log.TestingLogger())
|
|
return c
|
|
}
|
|
|
|
func createMConnectionWithCallbacks(conn net.Conn, onReceive func(chID byte, msgBytes []byte), onError func(r interface{})) *MConnection {
|
|
cfg := DefaultMConnConfig()
|
|
cfg.PingInterval = 90 * time.Millisecond
|
|
cfg.PongTimeout = 45 * time.Millisecond
|
|
chDescs := []*ChannelDescriptor{&ChannelDescriptor{ID: 0x01, Priority: 1, SendQueueCapacity: 1}}
|
|
c := NewMConnectionWithConfig(conn, chDescs, onReceive, onError, cfg)
|
|
c.SetLogger(log.TestingLogger())
|
|
return c
|
|
}
|
|
|
|
func TestMConnectionSend(t *testing.T) {
|
|
server, client := NetPipe()
|
|
defer server.Close() // nolint: errcheck
|
|
defer client.Close() // nolint: errcheck
|
|
|
|
mconn := createTestMConnection(client)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
msg := []byte("Ant-Man")
|
|
assert.True(t, mconn.Send(0x01, msg))
|
|
// Note: subsequent Send/TrySend calls could pass because we are reading from
|
|
// the send queue in a separate goroutine.
|
|
_, err = server.Read(make([]byte, len(msg)))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
assert.True(t, mconn.CanSend(0x01))
|
|
|
|
msg = []byte("Spider-Man")
|
|
assert.True(t, mconn.TrySend(0x01, msg))
|
|
_, err = server.Read(make([]byte, len(msg)))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
assert.False(t, mconn.CanSend(0x05), "CanSend should return false because channel is unknown")
|
|
assert.False(t, mconn.Send(0x05, []byte("Absorbing Man")), "Send should return false because channel is unknown")
|
|
}
|
|
|
|
func TestMConnectionReceive(t *testing.T) {
|
|
server, client := NetPipe()
|
|
defer server.Close() // nolint: errcheck
|
|
defer client.Close() // nolint: errcheck
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn1 := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn1.Start()
|
|
require.Nil(t, err)
|
|
defer mconn1.Stop()
|
|
|
|
mconn2 := createTestMConnection(server)
|
|
err = mconn2.Start()
|
|
require.Nil(t, err)
|
|
defer mconn2.Stop()
|
|
|
|
msg := []byte("Cyclops")
|
|
assert.True(t, mconn2.Send(0x01, msg))
|
|
|
|
select {
|
|
case receivedBytes := <-receivedCh:
|
|
assert.Equal(t, []byte(msg), receivedBytes)
|
|
case err := <-errorsCh:
|
|
t.Fatalf("Expected %s, got %+v", msg, err)
|
|
case <-time.After(500 * time.Millisecond):
|
|
t.Fatalf("Did not receive %s message in 500ms", msg)
|
|
}
|
|
}
|
|
|
|
func TestMConnectionStatus(t *testing.T) {
|
|
server, client := NetPipe()
|
|
defer server.Close() // nolint: errcheck
|
|
defer client.Close() // nolint: errcheck
|
|
|
|
mconn := createTestMConnection(client)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
status := mconn.Status()
|
|
assert.NotNil(t, status)
|
|
assert.Zero(t, status.Channels[0].SendQueueSize)
|
|
}
|
|
|
|
func TestMConnectionPongTimeoutResultsInError(t *testing.T) {
|
|
server, client := net.Pipe()
|
|
defer server.Close()
|
|
defer client.Close()
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
serverGotPing := make(chan struct{})
|
|
go func() {
|
|
// read ping
|
|
var pkt PacketPing
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
assert.Nil(t, err)
|
|
serverGotPing <- struct{}{}
|
|
}()
|
|
<-serverGotPing
|
|
|
|
pongTimerExpired := mconn.config.PongTimeout + 20*time.Millisecond
|
|
select {
|
|
case msgBytes := <-receivedCh:
|
|
t.Fatalf("Expected error, but got %v", msgBytes)
|
|
case err := <-errorsCh:
|
|
assert.NotNil(t, err)
|
|
case <-time.After(pongTimerExpired):
|
|
t.Fatalf("Expected to receive error after %v", pongTimerExpired)
|
|
}
|
|
}
|
|
|
|
func TestMConnectionMultiplePongsInTheBeginning(t *testing.T) {
|
|
server, client := net.Pipe()
|
|
defer server.Close()
|
|
defer client.Close()
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
// sending 3 pongs in a row (abuse)
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
|
|
serverGotPing := make(chan struct{})
|
|
go func() {
|
|
// read ping (one byte)
|
|
var packet, err = Packet(nil), error(nil)
|
|
_, err = cdc.UnmarshalBinaryReader(server, &packet, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
serverGotPing <- struct{}{}
|
|
// respond with pong
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
}()
|
|
<-serverGotPing
|
|
|
|
pongTimerExpired := mconn.config.PongTimeout + 20*time.Millisecond
|
|
select {
|
|
case msgBytes := <-receivedCh:
|
|
t.Fatalf("Expected no data, but got %v", msgBytes)
|
|
case err := <-errorsCh:
|
|
t.Fatalf("Expected no error, but got %v", err)
|
|
case <-time.After(pongTimerExpired):
|
|
assert.True(t, mconn.IsRunning())
|
|
}
|
|
}
|
|
|
|
func TestMConnectionMultiplePings(t *testing.T) {
|
|
server, client := net.Pipe()
|
|
defer server.Close()
|
|
defer client.Close()
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
// sending 3 pings in a row (abuse)
|
|
// see https://github.com/tendermint/tendermint/issues/1190
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPing{}))
|
|
require.Nil(t, err)
|
|
var pkt PacketPong
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPing{}))
|
|
require.Nil(t, err)
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPing{}))
|
|
require.Nil(t, err)
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
|
|
assert.True(t, mconn.IsRunning())
|
|
}
|
|
|
|
func TestMConnectionPingPongs(t *testing.T) {
|
|
// check that we are not leaking any go-routines
|
|
defer leaktest.CheckTimeout(t, 10*time.Second)()
|
|
|
|
server, client := net.Pipe()
|
|
|
|
defer server.Close()
|
|
defer client.Close()
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
serverGotPing := make(chan struct{})
|
|
go func() {
|
|
// read ping
|
|
var pkt PacketPing
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
serverGotPing <- struct{}{}
|
|
// respond with pong
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
|
|
time.Sleep(mconn.config.PingInterval)
|
|
|
|
// read ping
|
|
_, err = cdc.UnmarshalBinaryReader(server, &pkt, maxPingPongPacketSize)
|
|
require.Nil(t, err)
|
|
// respond with pong
|
|
_, err = server.Write(cdc.MustMarshalBinary(PacketPong{}))
|
|
require.Nil(t, err)
|
|
}()
|
|
<-serverGotPing
|
|
|
|
pongTimerExpired := (mconn.config.PongTimeout + 20*time.Millisecond) * 2
|
|
select {
|
|
case msgBytes := <-receivedCh:
|
|
t.Fatalf("Expected no data, but got %v", msgBytes)
|
|
case err := <-errorsCh:
|
|
t.Fatalf("Expected no error, but got %v", err)
|
|
case <-time.After(2 * pongTimerExpired):
|
|
assert.True(t, mconn.IsRunning())
|
|
}
|
|
}
|
|
|
|
func TestMConnectionStopsAndReturnsError(t *testing.T) {
|
|
server, client := NetPipe()
|
|
defer server.Close() // nolint: errcheck
|
|
defer client.Close() // nolint: errcheck
|
|
|
|
receivedCh := make(chan []byte)
|
|
errorsCh := make(chan interface{})
|
|
onReceive := func(chID byte, msgBytes []byte) {
|
|
receivedCh <- msgBytes
|
|
}
|
|
onError := func(r interface{}) {
|
|
errorsCh <- r
|
|
}
|
|
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
if err := client.Close(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
select {
|
|
case receivedBytes := <-receivedCh:
|
|
t.Fatalf("Expected error, got %v", receivedBytes)
|
|
case err := <-errorsCh:
|
|
assert.NotNil(t, err)
|
|
assert.False(t, mconn.IsRunning())
|
|
case <-time.After(500 * time.Millisecond):
|
|
t.Fatal("Did not receive error in 500ms")
|
|
}
|
|
}
|
|
|
|
func newClientAndServerConnsForReadErrors(t *testing.T, chOnErr chan struct{}) (*MConnection, *MConnection) {
|
|
server, client := NetPipe()
|
|
|
|
onReceive := func(chID byte, msgBytes []byte) {}
|
|
onError := func(r interface{}) {}
|
|
|
|
// create client conn with two channels
|
|
chDescs := []*ChannelDescriptor{
|
|
{ID: 0x01, Priority: 1, SendQueueCapacity: 1},
|
|
{ID: 0x02, Priority: 1, SendQueueCapacity: 1},
|
|
}
|
|
mconnClient := NewMConnection(client, chDescs, onReceive, onError)
|
|
mconnClient.SetLogger(log.TestingLogger().With("module", "client"))
|
|
err := mconnClient.Start()
|
|
require.Nil(t, err)
|
|
|
|
// create server conn with 1 channel
|
|
// it fires on chOnErr when there's an error
|
|
serverLogger := log.TestingLogger().With("module", "server")
|
|
onError = func(r interface{}) {
|
|
chOnErr <- struct{}{}
|
|
}
|
|
mconnServer := createMConnectionWithCallbacks(server, onReceive, onError)
|
|
mconnServer.SetLogger(serverLogger)
|
|
err = mconnServer.Start()
|
|
require.Nil(t, err)
|
|
return mconnClient, mconnServer
|
|
}
|
|
|
|
func expectSend(ch chan struct{}) bool {
|
|
after := time.After(time.Second * 5)
|
|
select {
|
|
case <-ch:
|
|
return true
|
|
case <-after:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func TestMConnectionReadErrorBadEncoding(t *testing.T) {
|
|
chOnErr := make(chan struct{})
|
|
mconnClient, mconnServer := newClientAndServerConnsForReadErrors(t, chOnErr)
|
|
defer mconnClient.Stop()
|
|
defer mconnServer.Stop()
|
|
|
|
client := mconnClient.conn
|
|
|
|
// send badly encoded msgPacket
|
|
bz := cdc.MustMarshalBinary(PacketMsg{})
|
|
bz[4] += 0x01 // Invalid prefix bytes.
|
|
|
|
// Write it.
|
|
_, err := client.Write(bz)
|
|
assert.Nil(t, err)
|
|
assert.True(t, expectSend(chOnErr), "badly encoded msgPacket")
|
|
}
|
|
|
|
func TestMConnectionReadErrorUnknownChannel(t *testing.T) {
|
|
chOnErr := make(chan struct{})
|
|
mconnClient, mconnServer := newClientAndServerConnsForReadErrors(t, chOnErr)
|
|
defer mconnClient.Stop()
|
|
defer mconnServer.Stop()
|
|
|
|
msg := []byte("Ant-Man")
|
|
|
|
// fail to send msg on channel unknown by client
|
|
assert.False(t, mconnClient.Send(0x03, msg))
|
|
|
|
// send msg on channel unknown by the server.
|
|
// should cause an error
|
|
assert.True(t, mconnClient.Send(0x02, msg))
|
|
assert.True(t, expectSend(chOnErr), "unknown channel")
|
|
}
|
|
|
|
func TestMConnectionReadErrorLongMessage(t *testing.T) {
|
|
chOnErr := make(chan struct{})
|
|
chOnRcv := make(chan struct{})
|
|
|
|
mconnClient, mconnServer := newClientAndServerConnsForReadErrors(t, chOnErr)
|
|
defer mconnClient.Stop()
|
|
defer mconnServer.Stop()
|
|
|
|
mconnServer.onReceive = func(chID byte, msgBytes []byte) {
|
|
chOnRcv <- struct{}{}
|
|
}
|
|
|
|
client := mconnClient.conn
|
|
|
|
// send msg thats just right
|
|
var err error
|
|
var buf = new(bytes.Buffer)
|
|
var packet = PacketMsg{
|
|
ChannelID: 0x01,
|
|
EOF: 1,
|
|
Bytes: make([]byte, mconnClient.config.MaxPacketMsgSize-emptyPacketMsgSize()),
|
|
}
|
|
_, err = cdc.MarshalBinaryWriter(buf, packet)
|
|
assert.Nil(t, err)
|
|
_, err = client.Write(buf.Bytes())
|
|
assert.Nil(t, err)
|
|
assert.True(t, expectSend(chOnRcv), "msg just right")
|
|
assert.False(t, expectSend(chOnErr), "msg just right")
|
|
|
|
// send msg thats too long
|
|
buf = new(bytes.Buffer)
|
|
packet = PacketMsg{
|
|
ChannelID: 0x01,
|
|
EOF: 1,
|
|
Bytes: make([]byte, mconnClient.config.MaxPacketMsgSize+1),
|
|
}
|
|
_, err = cdc.MarshalBinaryWriter(buf, packet)
|
|
assert.Nil(t, err)
|
|
_, err = client.Write(buf.Bytes())
|
|
assert.NotNil(t, err)
|
|
assert.False(t, expectSend(chOnRcv), "msg too long")
|
|
assert.True(t, expectSend(chOnErr), "msg too long")
|
|
}
|
|
|
|
func TestMConnectionReadErrorUnknownMsgType(t *testing.T) {
|
|
chOnErr := make(chan struct{})
|
|
mconnClient, mconnServer := newClientAndServerConnsForReadErrors(t, chOnErr)
|
|
defer mconnClient.Stop()
|
|
defer mconnServer.Stop()
|
|
|
|
// send msg with unknown msg type
|
|
err := error(nil)
|
|
err = amino.EncodeUvarint(mconnClient.conn, 4)
|
|
assert.Nil(t, err)
|
|
_, err = mconnClient.conn.Write([]byte{0xFF, 0xFF, 0xFF, 0xFF})
|
|
assert.Nil(t, err)
|
|
assert.True(t, expectSend(chOnErr), "unknown msg type")
|
|
}
|
|
|
|
func TestMConnectionTrySend(t *testing.T) {
|
|
server, client := NetPipe()
|
|
defer server.Close()
|
|
defer client.Close()
|
|
|
|
mconn := createTestMConnection(client)
|
|
err := mconn.Start()
|
|
require.Nil(t, err)
|
|
defer mconn.Stop()
|
|
|
|
msg := []byte("Semicolon-Woman")
|
|
resultCh := make(chan string, 2)
|
|
assert.True(t, mconn.TrySend(0x01, msg))
|
|
server.Read(make([]byte, len(msg)))
|
|
assert.True(t, mconn.CanSend(0x01))
|
|
assert.True(t, mconn.TrySend(0x01, msg))
|
|
assert.False(t, mconn.CanSend(0x01))
|
|
go func() {
|
|
mconn.TrySend(0x01, msg)
|
|
resultCh <- "TrySend"
|
|
}()
|
|
assert.False(t, mconn.CanSend(0x01))
|
|
assert.False(t, mconn.TrySend(0x01, msg))
|
|
assert.Equal(t, "TrySend", <-resultCh)
|
|
}
|