mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-11 02:35:18 +00:00
97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package backoff
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/libp2p/go-libp2p/core/host"
|
|
"github.com/libp2p/go-libp2p/core/peer"
|
|
bhost "github.com/libp2p/go-libp2p/p2p/host/blank"
|
|
swarmt "github.com/libp2p/go-libp2p/p2p/net/swarm/testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type maxDialHost struct {
|
|
host.Host
|
|
|
|
mux sync.Mutex
|
|
timesDialed map[peer.ID]int
|
|
maxTimesToDial map[peer.ID]int
|
|
}
|
|
|
|
func (h *maxDialHost) Connect(ctx context.Context, ai peer.AddrInfo) error {
|
|
pid := ai.ID
|
|
|
|
h.mux.Lock()
|
|
defer h.mux.Unlock()
|
|
numDials := h.timesDialed[pid]
|
|
numDials += 1
|
|
h.timesDialed[pid] = numDials
|
|
|
|
if maxDials, ok := h.maxTimesToDial[pid]; ok && numDials > maxDials {
|
|
return fmt.Errorf("should not be dialing peer %s", pid.String())
|
|
}
|
|
|
|
return h.Host.Connect(ctx, ai)
|
|
}
|
|
|
|
func getNetHosts(t *testing.T, n int) []host.Host {
|
|
var out []host.Host
|
|
|
|
for i := 0; i < n; i++ {
|
|
netw := swarmt.GenSwarm(t)
|
|
h := bhost.NewBlankHost(netw)
|
|
t.Cleanup(func() { h.Close() })
|
|
out = append(out, h)
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
func loadCh(peers []host.Host) <-chan peer.AddrInfo {
|
|
ch := make(chan peer.AddrInfo, len(peers))
|
|
for _, p := range peers {
|
|
ch <- p.Peerstore().PeerInfo(p.ID())
|
|
}
|
|
close(ch)
|
|
return ch
|
|
}
|
|
|
|
func TestBackoffConnector(t *testing.T) {
|
|
hosts := getNetHosts(t, 5)
|
|
primary := &maxDialHost{
|
|
Host: hosts[0],
|
|
timesDialed: make(map[peer.ID]int),
|
|
maxTimesToDial: map[peer.ID]int{
|
|
hosts[1].ID(): 1,
|
|
hosts[2].ID(): 2,
|
|
},
|
|
}
|
|
|
|
bc, err := NewBackoffConnector(primary, 10, time.Minute, NewFixedBackoff(250*time.Millisecond))
|
|
require.NoError(t, err)
|
|
|
|
bc.Connect(context.Background(), loadCh(hosts))
|
|
require.Eventually(t, func() bool { return len(primary.Network().Peers()) == len(hosts)-1 }, 3*time.Second, 10*time.Millisecond)
|
|
|
|
time.Sleep(100 * time.Millisecond) // give connection attempts time to complete (relevant when using multiple transports)
|
|
for _, c := range primary.Network().Conns() {
|
|
c.Close()
|
|
}
|
|
require.Eventually(t, func() bool { return len(primary.Network().Peers()) == 0 }, 3*time.Second, 10*time.Millisecond)
|
|
|
|
bc.Connect(context.Background(), loadCh(hosts))
|
|
require.Empty(t, primary.Network().Peers(), "shouldn't be connected to any peers")
|
|
|
|
time.Sleep(time.Millisecond * 500)
|
|
bc.Connect(context.Background(), loadCh(hosts))
|
|
require.Eventually(t, func() bool { return len(primary.Network().Peers()) == len(hosts)-2 }, 3*time.Second, 10*time.Millisecond)
|
|
// make sure we actually don't connect to host 1 any more
|
|
time.Sleep(100 * time.Millisecond)
|
|
require.Len(t, primary.Network().Peers(), len(hosts)-2, "wrong number of connections")
|
|
}
|