mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-27 17:15:18 +00:00
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package backpressure_tests
|
|
|
|
import (
|
|
"context"
|
|
"os"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/libp2p/go-libp2p/core/network"
|
|
"github.com/libp2p/go-libp2p/core/protocol"
|
|
bhost "github.com/libp2p/go-libp2p/p2p/host/basic"
|
|
swarmt "github.com/libp2p/go-libp2p/p2p/net/swarm/testing"
|
|
|
|
logging "github.com/ipfs/go-log/v2"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
var log = logging.Logger("backpressure")
|
|
|
|
// TestStBackpressureStreamWrite tests whether streams see proper
|
|
// backpressure when writing data over the network streams.
|
|
func TestStBackpressureStreamWrite(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
h1, err := bhost.NewHost(swarmt.GenSwarm(t), nil)
|
|
require.NoError(t, err)
|
|
h1.Start()
|
|
h2, err := bhost.NewHost(swarmt.GenSwarm(t), nil)
|
|
require.NoError(t, err)
|
|
h2.Start()
|
|
|
|
// setup sender handler on 2
|
|
h2.SetStreamHandler(protocol.TestingID, func(s network.Stream) {
|
|
defer s.Reset()
|
|
<-ctx.Done()
|
|
})
|
|
|
|
h2pi := h2.Peerstore().PeerInfo(h2.ID())
|
|
log.Debugf("dialing %s", h2pi.Addrs)
|
|
if err := h1.Connect(ctx, h2pi); err != nil {
|
|
t.Fatal("Failed to connect:", err)
|
|
}
|
|
|
|
// open a stream, from 1->2, this is our reader
|
|
s, err := h1.NewStream(ctx, h2.ID(), protocol.TestingID)
|
|
require.NoError(t, err)
|
|
defer s.Reset()
|
|
|
|
// If nobody is reading, we should eventually time out.
|
|
require.NoError(t, s.SetWriteDeadline(time.Now().Add(100*time.Millisecond)))
|
|
data := make([]byte, 16*1024)
|
|
for i := 0; i < 5*1024; i++ { // write at most 100MiB
|
|
if _, err := s.Write(data); err != nil {
|
|
require.True(t, os.IsTimeout(err), err)
|
|
return
|
|
}
|
|
}
|
|
t.Fatal("should have timed out")
|
|
}
|