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change pcap handler

This commit is contained in:
hebo 2019-12-02 17:16:35 +08:00
parent c35f13e4c9
commit d0562d66aa
1 changed files with 2 additions and 1 deletions
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3
capture/network.go
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@ -78,6 +78,7 @@ func initEthernetHandlerFromPacpgo() (handler *pcapgo.EthernetHandle) {
return return
} }
// in online use, we found a strange bug: pcap cost 100% core CPU and memory increase along
func initEthernetHandlerFromPacp() (handler *pcap.Handle) { func initEthernetHandlerFromPacp() (handler *pcap.Handle) {
handler, err := pcap.OpenLive(DeviceName, 65536, false, pcap.BlockForever) handler, err := pcap.OpenLive(DeviceName, 65536, false, pcap.BlockForever)
if err != nil { if err != nil {
@ -101,7 +102,7 @@ func (nc *networkCard) Listen() (receiver chan model.QueryPiece) {
func (nc *networkCard) listenNormal() { func (nc *networkCard) listenNormal() {
go func() { go func() {
aliveCounter := 0 aliveCounter := 0
handler := initEthernetHandlerFromPacp() handler := initEthernetHandlerFromPacpgo()
for { for {
var data []byte var data []byte