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p2p: peer state init too late and pex message too soon (#3634)

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* fix peer state init to late

Peer does not have a state yet. We set it in AddPeer.
We need an new interface before mconnection is started

* pex message to soon

fix reconnection pex send too fast,
error is caused lastReceivedRequests is still
not deleted when a peer reconnected

* add test case for initpeer

* add prove case

* remove potentially infinite loop

* Update consensus/reactor.go

Co-Authored-By: guagualvcha <baifudong@lancai.cn>

* Update consensus/reactor_test.go

Co-Authored-By: guagualvcha <baifudong@lancai.cn>

* document Reactor interface better

* refactor TestReactorReceiveDoesNotPanicIfAddPeerHasntBeenCalledYet

* fix merge conflicts

* blockchain: remove peer's ID from the pool in InitPeer

Refs #3338

* pex: resetPeersRequestsInfo both upon InitPeer and RemovePeer

* ensure RemovePeer is always called before InitPeer

by removing the peer from the switch last (after we've stopped it and
removed from all reactors)

* add some comments for ConsensusReactor#InitPeer

* fix pex reactor

* format code

* fix spelling

* update changelog

* remove unused methods

* do not clear lastReceivedRequests upon error

only in RemovePeer

* call InitPeer before we start the peer!

* add a comment to InitPeer

* write a test

* use waitUntilSwitchHasAtLeastNPeers func

* bring back timeouts

* Test to ensure Receive panics if InitPeer has not been called
This commit is contained in:
Anton Kaliaev
2019-05-28 03:39:58 +09:00
committed by Ethan Buchman
parent 5997e75c84
commit bcf10d5bae
11 changed files with 180 additions and 32 deletions
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20
consensus/reactor.go
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@ -155,16 +155,24 @@ func (conR *ConsensusReactor) GetChannels() []*p2p.ChannelDescriptor {
}
}
// AddPeer implements Reactor
// InitPeer implements Reactor by creating a state for the peer.
func (conR *ConsensusReactor) InitPeer(peer p2p.Peer) p2p.Peer {
peerState := NewPeerState(peer).SetLogger(conR.Logger)
peer.Set(types.PeerStateKey, peerState)
return peer
}
// AddPeer implements Reactor by spawning multiple gossiping goroutines for the
// peer.
func (conR *ConsensusReactor) AddPeer(peer p2p.Peer) {
if !conR.IsRunning() {
return
}
// Create peerState for peer
peerState := NewPeerState(peer).SetLogger(conR.Logger)
peer.Set(types.PeerStateKey, peerState)
peerState, ok := peer.Get(types.PeerStateKey).(*PeerState)
if !ok {
panic(fmt.Sprintf("peer %v has no state", peer))
}
// Begin routines for this peer.
go conR.gossipDataRoutine(peer, peerState)
go conR.gossipVotesRoutine(peer, peerState)
@ -177,7 +185,7 @@ func (conR *ConsensusReactor) AddPeer(peer p2p.Peer) {
}
}
// RemovePeer implements Reactor
// RemovePeer is a noop.
func (conR *ConsensusReactor) RemovePeer(peer p2p.Peer, reason interface{}) {
if !conR.IsRunning() {
return