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p2p/discover: ignore packet version numbers 

The strict matching can get in the way of protocol upgrades.
This commit is contained in:
Felix Lange 2015-09-30 05:21:03 +02:00
parent 631bf36102
commit 32dda97602
2 changed files with 0 additions and 5 deletions
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4
p2p/discover/udp.go
View File

@ -39,7 +39,6 @@ var (
errPacketTooSmall = errors.New("too small")
errBadHash = errors.New("bad hash")
errExpired = errors.New("expired")
errBadVersion = errors.New("version mismatch")
errUnsolicitedReply = errors.New("unsolicited reply")
errUnknownNode = errors.New("unknown node")
errTimeout = errors.New("RPC timeout")
@ -522,9 +521,6 @@ func (req *ping) handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) er
if expired(req.Expiration) {
return errExpired
}
if req.Version != Version {
return errBadVersion
}
t.send(from, pongPacket, pong{
To: makeEndpoint(from, req.From.TCP),
ReplyTok: mac,

1
p2p/discover/udp_test.go
View File

@ -122,7 +122,6 @@ func TestUDP_packetErrors(t *testing.T) {
defer test.table.Close()
test.packetIn(errExpired, pingPacket, &ping{From: testRemote, To: testLocalAnnounced, Version: Version})
test.packetIn(errBadVersion, pingPacket, &ping{From: testRemote, To: testLocalAnnounced, Version: 99, Expiration: futureExp})
test.packetIn(errUnsolicitedReply, pongPacket, &pong{ReplyTok: []byte{}, Expiration: futureExp})
test.packetIn(errUnknownNode, findnodePacket, &findnode{Expiration: futureExp})
test.packetIn(errUnsolicitedReply, neighborsPacket, &neighbors{Expiration: futureExp})