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whisper: Fix race condition in whisperv6/peer.go

This commit is contained in:
Pedro Pombeiro 2018-02-20 18:20:33 +01:00
parent 5603715c06
commit 34d94e22d9
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1 changed files with 6 additions and 0 deletions
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6
whisper/whisperv6/peer.go
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@ -19,6 +19,7 @@ package whisperv6
import ( import (
"fmt" "fmt"
"math" "math"
"sync"
"time" "time"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
@ -36,6 +37,7 @@ type Peer struct {
trusted bool trusted bool
powRequirement float64 powRequirement float64
bloomMu sync.Mutex
bloomFilter []byte bloomFilter []byte
fullNode bool fullNode bool
@ -225,10 +227,14 @@ func (peer *Peer) notifyAboutBloomFilterChange(bloom []byte) error {
} }
func (peer *Peer) bloomMatch(env *Envelope) bool { func (peer *Peer) bloomMatch(env *Envelope) bool {
peer.bloomMu.Lock()
defer peer.bloomMu.Unlock()
return peer.fullNode || bloomFilterMatch(peer.bloomFilter, env.Bloom()) return peer.fullNode || bloomFilterMatch(peer.bloomFilter, env.Bloom())
} }
func (peer *Peer) setBloomFilter(bloom []byte) { func (peer *Peer) setBloomFilter(bloom []byte) {
peer.bloomMu.Lock()
defer peer.bloomMu.Unlock()
peer.bloomFilter = bloom peer.bloomFilter = bloom
peer.fullNode = isFullNode(bloom) peer.fullNode = isFullNode(bloom)
if peer.fullNode && peer.bloomFilter == nil { if peer.fullNode && peer.bloomFilter == nil {