TrueCloudLab/neoneo-go
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network: rework discoverer/server interaction

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* treat connected/handshaked peers separately in the discoverer, save
   "original" address for connected ones, it can be a name instead of IP and
   it's important to keep it to avoid reconnections
 * store name->IP mapping for seeds if and when they're connected to avoid
   reconnections
 * block seed if it's detected to be our own node (which is often the case for
   small private networks)
 * add an event for handshaked peers in the server, connected but
   non-handshaked ones are not really helpful for MinPeers or GetAddr logic

Fixes #2796.
This commit is contained in:
Roman Khimov 2022-11-17 17:07:19 +03:00
parent 6ba4afc977
commit 23f118a1a9
10 changed files with 180 additions and 100 deletions
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3
pkg/network/server_test.go
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@ -141,14 +141,17 @@ func TestServerRegisterPeer(t *testing.T) {
for i := range ps {
ps[i] = newLocalPeer(t, s)
ps[i].netaddr.Port = i + 1
ps[i].version = &payload.Version{Nonce: uint32(i), UserAgent: []byte("fake")}
}
startWithCleanup(t, s)
s.register <- ps[0]
require.Eventually(t, func() bool { return 1 == s.PeerCount() }, time.Second, time.Millisecond*10)
s.handshake <- ps[0]
s.register <- ps[1]
s.handshake <- ps[1]
require.Eventually(t, func() bool { return 2 == s.PeerCount() }, time.Second, time.Millisecond*10)
require.Equal(t, 0, len(s.discovery.UnconnectedPeers()))