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.
229 lines
6.1 KiB
229 lines
6.1 KiB
package p2p_test
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/fortytw2/leaktest"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/tendermint/tendermint/internal/p2p"
|
|
"github.com/tendermint/tendermint/internal/p2p/conn"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
)
|
|
|
|
// Transports are mainly tested by common tests in transport_test.go, we
|
|
// register a transport factory here to get included in those tests.
|
|
func init() {
|
|
testTransports["mconn"] = func(t *testing.T) p2p.Transport {
|
|
transport := p2p.NewMConnTransport(
|
|
log.TestingLogger(),
|
|
conn.DefaultMConnConfig(),
|
|
[]*p2p.ChannelDescriptor{{ID: chID, Priority: 1}},
|
|
p2p.MConnTransportOptions{},
|
|
)
|
|
err := transport.Listen(p2p.Endpoint{
|
|
Protocol: p2p.MConnProtocol,
|
|
IP: net.IPv4(127, 0, 0, 1),
|
|
Port: 0, // assign a random port
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
t.Cleanup(func() {
|
|
require.NoError(t, transport.Close())
|
|
})
|
|
|
|
return transport
|
|
}
|
|
}
|
|
|
|
func TestMConnTransport_AcceptBeforeListen(t *testing.T) {
|
|
transport := p2p.NewMConnTransport(
|
|
log.TestingLogger(),
|
|
conn.DefaultMConnConfig(),
|
|
[]*p2p.ChannelDescriptor{{ID: chID, Priority: 1}},
|
|
p2p.MConnTransportOptions{
|
|
MaxAcceptedConnections: 2,
|
|
},
|
|
)
|
|
t.Cleanup(func() {
|
|
_ = transport.Close()
|
|
})
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
_, err := transport.Accept(ctx)
|
|
require.Error(t, err)
|
|
require.NotEqual(t, io.EOF, err) // io.EOF should be returned after Close()
|
|
}
|
|
|
|
func TestMConnTransport_AcceptMaxAcceptedConnections(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
transport := p2p.NewMConnTransport(
|
|
log.TestingLogger(),
|
|
conn.DefaultMConnConfig(),
|
|
[]*p2p.ChannelDescriptor{{ID: chID, Priority: 1}},
|
|
p2p.MConnTransportOptions{
|
|
MaxAcceptedConnections: 2,
|
|
},
|
|
)
|
|
t.Cleanup(func() {
|
|
_ = transport.Close()
|
|
})
|
|
err := transport.Listen(p2p.Endpoint{
|
|
Protocol: p2p.MConnProtocol,
|
|
IP: net.IPv4(127, 0, 0, 1),
|
|
})
|
|
require.NoError(t, err)
|
|
require.NotEmpty(t, transport.Endpoints())
|
|
endpoint := transport.Endpoints()[0]
|
|
|
|
// Start a goroutine to just accept any connections.
|
|
acceptCh := make(chan p2p.Connection, 10)
|
|
go func() {
|
|
for {
|
|
conn, err := transport.Accept(ctx)
|
|
if err != nil {
|
|
return
|
|
}
|
|
acceptCh <- conn
|
|
}
|
|
}()
|
|
|
|
// The first two connections should be accepted just fine.
|
|
dial1, err := transport.Dial(ctx, endpoint)
|
|
require.NoError(t, err)
|
|
defer dial1.Close()
|
|
accept1 := <-acceptCh
|
|
defer accept1.Close()
|
|
require.Equal(t, dial1.LocalEndpoint(), accept1.RemoteEndpoint())
|
|
|
|
dial2, err := transport.Dial(ctx, endpoint)
|
|
require.NoError(t, err)
|
|
defer dial2.Close()
|
|
accept2 := <-acceptCh
|
|
defer accept2.Close()
|
|
require.Equal(t, dial2.LocalEndpoint(), accept2.RemoteEndpoint())
|
|
|
|
// The third connection will be dialed successfully, but the accept should
|
|
// not go through.
|
|
dial3, err := transport.Dial(ctx, endpoint)
|
|
require.NoError(t, err)
|
|
defer dial3.Close()
|
|
select {
|
|
case <-acceptCh:
|
|
require.Fail(t, "unexpected accept")
|
|
case <-time.After(time.Second):
|
|
}
|
|
|
|
// However, once either of the other connections are closed, the accept
|
|
// goes through.
|
|
require.NoError(t, accept1.Close())
|
|
accept3 := <-acceptCh
|
|
defer accept3.Close()
|
|
require.Equal(t, dial3.LocalEndpoint(), accept3.RemoteEndpoint())
|
|
}
|
|
|
|
func TestMConnTransport_Listen(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
testcases := []struct {
|
|
endpoint p2p.Endpoint
|
|
ok bool
|
|
}{
|
|
// Valid v4 and v6 addresses, with mconn and tcp protocols.
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, IP: net.IPv4zero}, true},
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, IP: net.IPv4(127, 0, 0, 1)}, true},
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, IP: net.IPv6zero}, true},
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, IP: net.IPv6loopback}, true},
|
|
{p2p.Endpoint{Protocol: p2p.TCPProtocol, IP: net.IPv4zero}, true},
|
|
|
|
// Invalid endpoints.
|
|
{p2p.Endpoint{}, false},
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, Path: "foo"}, false},
|
|
{p2p.Endpoint{Protocol: p2p.MConnProtocol, IP: net.IPv4zero, Path: "foo"}, false},
|
|
}
|
|
for _, tc := range testcases {
|
|
tc := tc
|
|
t.Run(tc.endpoint.String(), func(t *testing.T) {
|
|
t.Cleanup(leaktest.Check(t))
|
|
|
|
transport := p2p.NewMConnTransport(
|
|
log.TestingLogger(),
|
|
conn.DefaultMConnConfig(),
|
|
[]*p2p.ChannelDescriptor{{ID: chID, Priority: 1}},
|
|
p2p.MConnTransportOptions{},
|
|
)
|
|
|
|
// Transport should not listen on any endpoints yet.
|
|
require.Empty(t, transport.Endpoints())
|
|
|
|
// Start listening, and check any expected errors.
|
|
err := transport.Listen(tc.endpoint)
|
|
if !tc.ok {
|
|
require.Error(t, err)
|
|
return
|
|
}
|
|
require.NoError(t, err)
|
|
|
|
// Check the endpoint.
|
|
endpoints := transport.Endpoints()
|
|
require.Len(t, endpoints, 1)
|
|
endpoint := endpoints[0]
|
|
|
|
require.Equal(t, p2p.MConnProtocol, endpoint.Protocol)
|
|
if tc.endpoint.IP.IsUnspecified() {
|
|
require.True(t, endpoint.IP.IsUnspecified(),
|
|
"expected unspecified IP, got %v", endpoint.IP)
|
|
} else {
|
|
require.True(t, tc.endpoint.IP.Equal(endpoint.IP),
|
|
"expected %v, got %v", tc.endpoint.IP, endpoint.IP)
|
|
}
|
|
require.NotZero(t, endpoint.Port)
|
|
require.Empty(t, endpoint.Path)
|
|
|
|
dialedChan := make(chan struct{})
|
|
|
|
var peerConn p2p.Connection
|
|
go func() {
|
|
// Dialing the endpoint should work.
|
|
var err error
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
peerConn, err = transport.Dial(ctx, endpoint)
|
|
require.NoError(t, err)
|
|
close(dialedChan)
|
|
}()
|
|
|
|
conn, err := transport.Accept(ctx)
|
|
require.NoError(t, err)
|
|
_ = conn.Close()
|
|
<-dialedChan
|
|
|
|
// closing the connection should not error
|
|
require.NoError(t, peerConn.Close())
|
|
|
|
// try to read from the connection should error
|
|
_, _, err = peerConn.ReceiveMessage(ctx)
|
|
require.Error(t, err)
|
|
|
|
// Trying to listen again should error.
|
|
err = transport.Listen(tc.endpoint)
|
|
require.Error(t, err)
|
|
|
|
// close the transport
|
|
_ = transport.Close()
|
|
|
|
// Dialing the closed endpoint should error
|
|
_, err = transport.Dial(ctx, endpoint)
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
}
|