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fix bug of read short packet

This commit is contained in:
hebo 2019-09-29 09:21:55 +08:00
parent 6b87d5bf06
commit a01de02f9a
1 changed files with 5 additions and 5 deletions
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10
session-dealer/mysql/session.go
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@ -143,14 +143,14 @@ func (ms *MysqlSession) readFromClient(seqID int64, bytes []byte) {
contentSize := int64(len(bytes)) contentSize := int64(len(bytes))
if ms.expectReceiveSize == -1 { if ms.expectReceiveSize == -1 {
ms.expectReceiveSize = extractMysqlPayloadSize(bytes[:4]) // ignore invalid head package
// ignore too big mysql packet if len(bytes) <= 4{
if ms.expectReceiveSize >= MaxMysqlPacketLen {
return return
} }
// ignore invalid head package ms.expectReceiveSize = extractMysqlPayloadSize(bytes[:4])
if len(bytes) <= 4{ // ignore too big mysql packet
if ms.expectReceiveSize >= MaxMysqlPacketLen {
return return
} }