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sniffer-agent
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fix bug when deal invalid package

This commit is contained in:
hebo 2019-09-27 14:13:59 +08:00
parent b5dd173c01
commit e2a924c776
2 changed files with 6 additions and 1 deletions
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2
capture/network.go
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@ -119,7 +119,7 @@ func (nc *networkCard) listenNormal() {
time.Sleep(time.Second*3) time.Sleep(time.Second*3)
continue continue
} }
// capture packets according to a certain probability // capture packets according to a certain probability
tcpCapturePacketRate := communicator.GetTCPCapturePacketRate() tcpCapturePacketRate := communicator.GetTCPCapturePacketRate()
if tcpCapturePacketRate <= 0 { if tcpCapturePacketRate <= 0 {

5
session-dealer/mysql/session.go
View File

@ -149,6 +149,11 @@ func (ms *MysqlSession) readFromClient(seqID int64, bytes []byte) {
return return
} }
// ignore invalid head package
if len(bytes) <= 4{
return
}
contents := bytes[4:] contents := bytes[4:]
// add prepare info // add prepare info
if contents[0] == ComStmtPrepare { if contents[0] == ComStmtPrepare {