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network: hide Peers, make it return a slice

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Slice is a bit more efficient, we don't need a map for Peers() users and it's
not really interesting to outside users, so better hide this method.
This commit is contained in:
Roman Khimov 2021-08-05 23:59:53 +03:00
parent 119b4200ac
commit b55c75d59d
1 changed files with 10 additions and 10 deletions
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20
pkg/network/server.go
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@ -288,7 +288,7 @@ func (s *Server) Shutdown() {
s.transport.Close()
s.discovery.Close()
s.consensus.Shutdown()
for p := range s.Peers() {
for _, p := range s.getPeers() {
p.Disconnect(errServerShutdown)
}
s.bQueue.discard()
@ -431,7 +431,7 @@ func (s *Server) runProto() {
case <-pingTimer.C:
if s.chain.BlockHeight() == prevHeight {
// Get a copy of s.peers to avoid holding a lock while sending.
for peer := range s.Peers() {
for _, peer := range s.getPeers() {
_ = peer.SendPing(NewMessage(CMDPing, payload.NewPing(s.chain.BlockHeight(), s.id)))
}
}
@ -489,15 +489,15 @@ func (s *Server) UnsubscribeFromNotaryRequests(ch chan<- mempoolevent.Event) {
s.notaryRequestPool.UnsubscribeFromTransactions(ch)
}
// Peers returns the current list of peers connected to
// getPeers returns current list of peers connected to
// the server.
func (s *Server) Peers() map[Peer]bool {
func (s *Server) getPeers() []Peer {
s.lock.RLock()
defer s.lock.RUnlock()
peers := make(map[Peer]bool, len(s.peers))
for k, v := range s.peers {
peers[k] = v
peers := make([]Peer, 0, len(s.peers))
for k := range s.peers {
peers = append(peers, k)
}
return peers
@ -1142,7 +1142,7 @@ func (s *Server) requestTx(hashes ...util.Uint256) {
// peer is considered invalid if it returns false).
func (s *Server) iteratePeersWithSendMsg(msg *Message, send func(Peer, bool, []byte) error, peerOK func(Peer) bool) {
// Get a copy of s.peers to avoid holding a lock while sending.
peers := s.Peers()
peers := s.getPeers()
if len(peers) == 0 {
return
}
@ -1154,7 +1154,7 @@ func (s *Server) iteratePeersWithSendMsg(msg *Message, send func(Peer, bool, []b
success := make(map[Peer]bool, len(peers))
okCount := 0
sentCount := 0
for peer := range peers {
for _, peer := range peers {
if peerOK != nil && !peerOK(peer) {
success[peer] = false
continue
@ -1176,7 +1176,7 @@ func (s *Server) iteratePeersWithSendMsg(msg *Message, send func(Peer, bool, []b
}
// Perform blocking send now.
for peer := range peers {
for _, peer := range peers {
if _, ok := success[peer]; ok || peerOK != nil && !peerOK(peer) {
continue
}