优化性能

This commit is contained in:
hebo 2019-08-13 15:51:33 +08:00
parent c42113b8f8
commit f8a85e0af6
15 changed files with 234 additions and 112 deletions

1
.gitignore vendored
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@ -4,3 +4,4 @@
one_key.sh
sniffer-agent
# vendor/github.com
profile*

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@ -6,17 +6,17 @@ import (
)
var (
localIPAddr string
localIPAddr *string
sessionPool = make(map[string]sd.ConnSession)
)
func init() {
var err error
localIPAddr, err = getLocalIPAddr()
ipAddr, err := getLocalIPAddr()
if err != nil {
panic(err)
}
log.Infof("parsed local ip address:%s", localIPAddr)
localIPAddr = &ipAddr
log.Infof("parsed local ip address:%s", *localIPAddr)
}

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@ -3,12 +3,12 @@ package capture
import (
"flag"
"fmt"
log "github.com/sirupsen/logrus"
sd "github.com/zr-hebo/sniffer-agent/session-dealer"
"github.com/zr-hebo/sniffer-agent/model"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
log "github.com/sirupsen/logrus"
"github.com/zr-hebo/sniffer-agent/model"
sd "github.com/zr-hebo/sniffer-agent/session-dealer"
)
var (
@ -41,22 +41,29 @@ func (nc *networkCard) Listen() (receiver chan model.QueryPiece) {
close(receiver)
}()
handle, err := pcap.OpenLive(DeviceName, 65535, false, pcap.BlockForever)
handler, err := pcap.OpenLive(DeviceName, 65535, false, pcap.BlockForever)
if err != nil {
panic(fmt.Sprintf("cannot open network interface %s <-- %s", nc.name, err.Error()))
}
linkType := handler.LinkType()
packetSource := gopacket.NewPacketSource(handle, handle.LinkType())
for packet := range packetSource.Packets() {
if packet.NetworkLayer() == nil || packet.TransportLayer() == nil {
// log.Info("empty network layer")
err = handler.SetBPFFilter(fmt.Sprintf("tcp and (port %d)", snifferPort))
if err != nil {
panic(err.Error())
}
for {
var data []byte
data, ci, err := handler.ZeroCopyReadPacketData()
if err != nil {
log.Error(err.Error())
continue
}
if packet.TransportLayer().LayerType() != layers.LayerTypeTCP {
// log.Info("packet type is %s, not TCP", packet.TransportLayer().LayerType())
continue
}
packet := gopacket.NewPacket(data, linkType, gopacket.NoCopy)
m := packet.Metadata()
m.CaptureInfo = ci
m.Truncated = m.Truncated || ci.CaptureLength < ci.Length
qp := nc.parseTCPPackage(packet)
if qp != nil {
@ -81,10 +88,6 @@ func (nc *networkCard) parseTCPPackage(packet gopacket.Packet) (qp model.QueryPi
return
}
if(int(tcpConn.DstPort) != nc.listenPort && int(tcpConn.SrcPort) != nc.listenPort) {
return
}
ipLayer := packet.Layer(layers.LayerTypeIPv4)
if ipLayer == nil {
err = fmt.Errorf("no ip layer found in package")
@ -102,16 +105,16 @@ func (nc *networkCard) parseTCPPackage(packet gopacket.Packet) (qp model.QueryPi
dstIP := ipInfo.DstIP.String()
srcPort := int(tcpConn.SrcPort)
dstPort := int(tcpConn.DstPort)
if dstIP == localIPAddr && dstPort == nc.listenPort {
if dstIP == *localIPAddr && dstPort == nc.listenPort {
// deal mysql server response
err = readToServerPackage(srcIP, srcPort, tcpConn)
err = readToServerPackage(&srcIP, srcPort, tcpConn)
if err != nil {
return
}
} else if srcIP == localIPAddr && srcPort == nc.listenPort {
} else if srcIP == *localIPAddr && srcPort == nc.listenPort {
// deal mysql client request
qp, err = readFromServerPackage(dstIP, dstPort, tcpConn)
qp, err = readFromServerPackage(&dstIP, dstPort, tcpConn)
if err != nil {
return
}
@ -120,17 +123,17 @@ func (nc *networkCard) parseTCPPackage(packet gopacket.Packet) (qp model.QueryPi
return
}
func readFromServerPackage(srcIP string, srcPort int, tcpConn *layers.TCP) (qp model.QueryPiece, err error) {
func readFromServerPackage(srcIP *string, srcPort int, tcpConn *layers.TCP) (qp model.QueryPiece, err error) {
defer func() {
if err != nil {
log.Error("read Mysql package send from mysql server to client failed <-- %s", err.Error())
}
}()
sessionKey := spliceSessionKey(srcIP, srcPort)
if tcpConn.FIN {
delete(sessionPool, sessionKey)
// log.Debugf("close connection from %s", sessionKey)
sessionKey := spliceSessionKey(srcIP, srcPort)
delete(sessionPool, *sessionKey)
log.Debugf("close connection from %s", *sessionKey)
return
}
@ -139,7 +142,8 @@ func readFromServerPackage(srcIP string, srcPort int, tcpConn *layers.TCP) (qp m
return
}
session := sessionPool[sessionKey]
sessionKey := spliceSessionKey(srcIP, srcPort)
session := sessionPool[*sessionKey]
if session != nil {
session.ReadFromServer(tcpPayload)
qp = session.GenerateQueryPiece()
@ -148,18 +152,18 @@ func readFromServerPackage(srcIP string, srcPort int, tcpConn *layers.TCP) (qp m
return
}
func readToServerPackage(srcIP string, srcPort int, tcpConn *layers.TCP) (err error) {
func readToServerPackage(srcIP *string, srcPort int, tcpConn *layers.TCP) (err error) {
defer func() {
if err != nil {
log.Error("read package send from client to mysql server failed <-- %s", err.Error())
}
}()
sessionKey := spliceSessionKey(srcIP, srcPort)
// when client try close connection remove session from session pool
if tcpConn.FIN {
delete(sessionPool, sessionKey)
// log.Debugf("close connection from %s", sessionKey)
sessionKey := spliceSessionKey(srcIP, srcPort)
delete(sessionPool, *sessionKey)
log.Debugf("close connection from %s", *sessionKey)
return
}
@ -168,12 +172,14 @@ func readToServerPackage(srcIP string, srcPort int, tcpConn *layers.TCP) (err er
return
}
session := sessionPool[sessionKey]
sessionKey := spliceSessionKey(srcIP, srcPort)
session := sessionPool[*sessionKey]
if session == nil {
session = sd.NewSession(sessionKey, srcIP, srcPort, localIPAddr, snifferPort)
sessionPool[sessionKey] = session
sessionPool[*sessionKey] = session
}
session.ResetBeginTime()
session.ReadFromClient(tcpPayload)
return
}

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@ -34,7 +34,19 @@ func getLocalIPAddr() (ipAddr string, err error) {
return
}
func spliceSessionKey(srcIP string, srcPort int) (sessionKey string) {
sessionKey = fmt.Sprintf("%s:%d", srcIP, srcPort)
return
func spliceSessionKey(srcIP *string, srcPort int) (*string) {
// var buf strings.Builder
// _, err := fmt.Fprint(&buf, *srcIP, ":", srcPort)
// if err != nil {
// panic(err.Error())
// }
// sessionKey := buf.String()
// buf := new(bytes.Buffer)
// _ = templateSessionKey.ExecuteTemplate(buf, "IP", srcIP)
// _ = templateSessionKey.ExecuteTemplate(buf, "Port", srcPort)
// sessionKey := buf.String()
sessionKey := fmt.Sprintf("%s:%d", *srcIP, srcPort)
return &sessionKey
}

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@ -3,16 +3,14 @@ package exporter
import (
"flag"
"fmt"
"regexp"
"strings"
log "github.com/sirupsen/logrus"
"github.com/Shopify/sarama"
log "github.com/sirupsen/logrus"
"github.com/zr-hebo/sniffer-agent/model"
)
var (
ddlPatern = regexp.MustCompile(`(?i)^\s*(create|alter|drop)`)
kafkaServer string
kafkaGroupID string
asyncTopic string
@ -92,12 +90,18 @@ func NewKafkaExporter() (ke *kafkaExporter) {
}
func (ke *kafkaExporter) Export (qp model.QueryPiece) (err error){
if ddlPatern.MatchString(qp.GetSQL()) {
log.Debugf("deal ddl: %s\n", qp.String())
defer func() {
if err != nil {
log.Errorf("export with kafka failed <-- %s", err.Error())
}
}()
if qp.NeedSyncSend() {
// log.Debugf("deal ddl: %s\n", *qp.String())
msg := &sarama.ProducerMessage{
Topic: ke.syncTopic,
Value: sarama.StringEncoder(qp.String()),
Value: sarama.ByteEncoder(qp.Bytes()),
}
_, _, err = ke.syncProducer.SendMessage(msg)
if err != nil {
@ -105,7 +109,7 @@ func (ke *kafkaExporter) Export (qp model.QueryPiece) (err error){
}
} else {
log.Debugf("deal non ddl: %s", qp.String())
// log.Debugf("deal non ddl: %s", *qp.String())
msg := &sarama.ProducerMessage{
Topic: ke.asyncTopic,
Value: sarama.ByteEncoder(qp.Bytes()),
@ -113,5 +117,6 @@ func (ke *kafkaExporter) Export (qp model.QueryPiece) (err error){
ke.asyncProducer.Input() <- msg
}
return
}

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@ -55,6 +55,7 @@ func mainServer() {
if err != nil {
log.Error(err.Error())
}
queryPiece.Recovery()
}
log.Errorf("cannot get network package from %s", capture.DeviceName)

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@ -2,34 +2,76 @@ package model
import (
"encoding/json"
"time"
"github.com/pingcap/tidb/util/hack"
)
type QueryPiece interface {
String() string
String() *string
Bytes() []byte
GetSQL() string
GetSQL() *string
NeedSyncSend() bool
Recovery()
}
// MysqlQueryPiece 查询信息
type MysqlQueryPiece struct {
SessionID string `json:"sid"`
ClientHost string `json:"-"`
ServerIP string `json:"sip"`
SessionID *string `json:"sid"`
ClientHost *string `json:"-"`
SyncSend bool `json:"-"`
ServerIP *string `json:"sip"`
ServerPort int `json:"sport"`
VisitUser *string `json:"user"`
VisitDB *string `json:"db"`
QuerySQL *string `json:"sql"`
BeginTime string `json:"bt"`
CostTimeInMS int64 `json:"cms"`
CostTimeInMS int64 `json:"cms"`
}
func (qp *MysqlQueryPiece) String() (str string) {
content, err := json.Marshal(qp)
if err != nil {
return err.Error()
type PooledMysqlQueryPiece struct {
MysqlQueryPiece
recoverPool *mysqlQueryPiecePool
}
const (
datetimeFormat = "2006-01-02 15:04:05"
millSecondUnit = int64(time.Millisecond)
)
var (
mqpp = NewMysqlQueryPiecePool()
)
func NewPooledMysqlQueryPiece(
sessionID, visitUser, visitDB, clientHost, serverIP *string, serverPort int, stmtBeginTime int64) (
mqp *PooledMysqlQueryPiece) {
mqp = mqpp.Dequeue()
if mqp == nil {
mqp = &PooledMysqlQueryPiece{
MysqlQueryPiece: MysqlQueryPiece{},
}
}
return string(content)
nowInMS := time.Now().UnixNano() / millSecondUnit
mqp.SessionID = sessionID
mqp.ClientHost = clientHost
mqp.ServerIP = serverIP
mqp.ServerPort = serverPort
mqp.VisitUser = visitUser
mqp.VisitDB = visitDB
mqp.SyncSend = false
mqp.BeginTime = time.Unix(stmtBeginTime/1000, 0).Format(datetimeFormat)
mqp.CostTimeInMS = nowInMS - stmtBeginTime
mqp.recoverPool = mqpp
return
}
func (qp *MysqlQueryPiece) String() (*string) {
content := qp.Bytes()
contentStr := hack.String(content)
return &contentStr
}
func (qp *MysqlQueryPiece) Bytes() (bytes []byte) {
@ -41,9 +83,18 @@ func (qp *MysqlQueryPiece) Bytes() (bytes []byte) {
return content
}
func (qp *MysqlQueryPiece) GetSQL() (str string) {
if qp.QuerySQL != nil {
return *qp.QuerySQL
}
return ""
func (qp *MysqlQueryPiece) GetSQL() (str *string) {
return qp.QuerySQL
}
func (qp *MysqlQueryPiece) NeedSyncSend() (bool) {
return qp.SyncSend
}
func (qp *MysqlQueryPiece) SetNeedSyncSend(syncSend bool) {
qp.SyncSend = syncSend
}
func (pmqp *PooledMysqlQueryPiece) Recovery() {
pmqp.recoverPool.Enqueue(pmqp)
}

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@ -0,0 +1,36 @@
package model
import (
"sync"
)
type mysqlQueryPiecePool struct {
queue []*PooledMysqlQueryPiece
lock sync.Mutex
}
func NewMysqlQueryPiecePool() (mqpp *mysqlQueryPiecePool) {
return &mysqlQueryPiecePool{
queue: make([]*PooledMysqlQueryPiece, 0, 5000),
}
}
func (mqpp *mysqlQueryPiecePool) Enqueue(pmqp *PooledMysqlQueryPiece) {
mqpp.lock.Lock()
defer mqpp.lock.Unlock()
mqpp.queue = append(mqpp.queue, pmqp)
}
func (mqpp *mysqlQueryPiecePool) Dequeue() (pmqp *PooledMysqlQueryPiece) {
mqpp.lock.Lock()
defer mqpp.lock.Unlock()
if len(mqpp.queue) < 1 {
return nil
}
pmqp = mqpp.queue[0]
mqpp.queue = mqpp.queue[1:]
return
}

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@ -6,22 +6,22 @@ function execute_real(){
user_name=user
passwd=123456
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e "select 1"
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e "select 1"
sleep 1
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e "use sniffer;show tables;create table haha(id int, name text)"
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e "use sniffer;show tables;create table haha(id int, name text)"
sleep 1
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e ""
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e ""
sleep 1
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e ""
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e ""
sleep 1
insert_cmd="insert into unibase.haha(id, name) values(10, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
insert_cmd="$insert_cmd,(10, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
insert_cmd="$insert_cmd,(10, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
insert_cmd="$insert_cmd,(10, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
insert_cmd="$insert_cmd,(10, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e "$insert_cmd"
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e "$insert_cmd"
sleep 1
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd jmms -e "use unibase; select * from haha; drop table haha"
mysql -h$mysql_host -P$mysql_port -u$user_name -p$passwd sniffer -e "use unibase; select * from haha; drop table haha"
sleep 1
}

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@ -4,7 +4,7 @@ import (
"github.com/zr-hebo/sniffer-agent/session-dealer/mysql"
)
func NewSession(sessionKey string, clientIP string, clientPort int, serverIP string, serverPort int) (session ConnSession) {
func NewSession(sessionKey *string, clientIP *string, clientPort int, serverIP *string, serverPort int) (session ConnSession) {
switch serviceType {
case ServiceTypeMysql:
session = mysql.NewMysqlSession(sessionKey, clientIP, clientPort, serverIP, serverPort)

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@ -5,5 +5,6 @@ import "github.com/zr-hebo/sniffer-agent/model"
type ConnSession interface {
ReadFromClient(bytes []byte)
ReadFromServer(bytes []byte)
ResetBeginTime()
GenerateQueryPiece() (qp model.QueryPiece)
}

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@ -9,6 +9,7 @@ import (
var (
uselessSQLPattern = regexp.MustCompile(`(?i)^\s*(select 1|select @@version_comment limit 1|`+
`SELECT user, db FROM information_schema.processlist WHERE host=|commit|begin)`)
ddlPatern = regexp.MustCompile(`(?i)^\s*(create|alter|drop)`)
)
var (

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@ -5,7 +5,6 @@ import (
_ "github.com/go-sql-driver/mysql"
du "github.com/zr-hebo/util-db"
// log "github.com/sirupsen/logrus"
)
func expandLocalMysql(port int) (mysqlHost *du.MysqlDB) {
@ -20,7 +19,7 @@ func expandLocalMysql(port int) (mysqlHost *du.MysqlDB) {
return
}
func querySessionInfo(snifferPort int, clientHost string) (user, db *string, err error) {
func querySessionInfo(snifferPort int, clientHost *string) (user, db *string, err error) {
mysqlServer := expandLocalMysql(snifferPort)
querySQL := fmt.Sprintf(
"SELECT user, db FROM information_schema.processlist WHERE host='%s'", clientHost)

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@ -1,6 +1,9 @@
package mysql
import "errors"
import (
"errors"
"time"
)
// Command information.
const (
@ -97,7 +100,7 @@ const (
)
const (
datetimeFormat = "2006-01-02 15:04:05"
millSecondUnit = int64(time.Millisecond)
)
var (

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@ -2,6 +2,7 @@ package mysql
import (
"fmt"
"github.com/siddontang/go/hack"
"time"
"github.com/zr-hebo/sniffer-agent/model"
@ -9,38 +10,42 @@ import (
)
type MysqlSession struct {
connectionID string
visitUser *string
visitDB *string
clientHost string
clientPort int
serverIP string
serverPort int
beginTime int64
expectSize int
prepareInfo *prepareInfo
connectionID *string
visitUser *string
visitDB *string
clientHost *string
clientPort int
serverIP *string
serverPort int
stmtBeginTime int64
expectSize int
prepareInfo *prepareInfo
cachedPrepareStmt map[int]*string
tcpCache []byte
cachedStmtBytes []byte
tcpCache []byte
cachedStmtBytes []byte
}
type prepareInfo struct {
prepareStmtID int
}
func NewMysqlSession(sessionKey string, clientIP string, clientPort int, serverIP string, serverPort int) (ms *MysqlSession) {
func NewMysqlSession(sessionKey *string, clientIP *string, clientPort int, serverIP *string, serverPort int) (ms *MysqlSession) {
ms = &MysqlSession{
connectionID: sessionKey,
clientHost: clientIP,
clientPort: clientPort,
serverIP: serverIP,
serverPort: serverPort,
beginTime: time.Now().UnixNano() / int64(time.Millisecond),
cachedPrepareStmt: make(map[int]*string),
connectionID: sessionKey,
clientHost: clientIP,
clientPort: clientPort,
serverIP: serverIP,
serverPort: serverPort,
stmtBeginTime: time.Now().UnixNano() / millSecondUnit,
cachedPrepareStmt: make(map[int]*string, 8),
}
return
}
func (ms *MysqlSession) ResetBeginTime() {
ms.stmtBeginTime = time.Now().UnixNano() / millSecondUnit
}
func (ms *MysqlSession) ReadFromServer(bytes []byte) {
if ms.expectSize < 1 {
ms.expectSize = extractMysqlPayloadSize(bytes)
@ -82,7 +87,8 @@ func (ms *MysqlSession) GenerateQueryPiece() (qp model.QueryPiece) {
return
}
var mqp *model.MysqlQueryPiece = nil
var mqp *model.PooledMysqlQueryPiece
var querySQLInBytes []byte
ms.cachedStmtBytes = append(ms.cachedStmtBytes, ms.tcpCache...)
switch ms.cachedStmtBytes[0] {
case ComAuth:
@ -107,12 +113,16 @@ func (ms *MysqlSession) GenerateQueryPiece() (qp model.QueryPiece) {
case ComDropDB:
case ComQuery:
mqp = ms.composeQueryPiece()
querySQL := string(ms.cachedStmtBytes[1:])
querySQLInBytes = make([]byte, len(ms.cachedStmtBytes[1:]))
copy(querySQLInBytes, ms.cachedStmtBytes[1:])
querySQL := hack.String(querySQLInBytes)
mqp.QuerySQL = &querySQL
case ComStmtPrepare:
mqp = ms.composeQueryPiece()
querySQL := string(ms.cachedStmtBytes[1:])
querySQLInBytes = make([]byte, len(ms.cachedStmtBytes[1:]))
copy(querySQLInBytes, ms.cachedStmtBytes[1:])
querySQL := hack.String(querySQLInBytes)
mqp.QuerySQL = &querySQL
ms.cachedPrepareStmt[ms.prepareInfo.prepareStmtID] = &querySQL
log.Debugf("prepare statement %s, get id:%d", querySQL, ms.prepareInfo.prepareStmtID)
@ -145,31 +155,27 @@ func (ms *MysqlSession) GenerateQueryPiece() (qp model.QueryPiece) {
ms.cachedStmtBytes = ms.cachedStmtBytes[:0]
ms.expectSize = 0
ms.prepareInfo = nil
return filterQueryPieceBySQL(mqp)
return filterQueryPieceBySQL(mqp, querySQLInBytes)
}
func filterQueryPieceBySQL(mqp *model.MysqlQueryPiece) (model.QueryPiece) {
if mqp == nil || mqp.QuerySQL == nil {
func filterQueryPieceBySQL(mqp *model.PooledMysqlQueryPiece, querySQL []byte) (model.QueryPiece) {
if mqp == nil || querySQL == nil {
return nil
} else if (uselessSQLPattern.MatchString(*mqp.QuerySQL)) {
} else if (uselessSQLPattern.Match(querySQL)) {
return nil
}
if ddlPatern.Match(querySQL) {
mqp.SetNeedSyncSend(true)
}
// log.Debug(mqp.String())
return mqp
}
func (ms *MysqlSession) composeQueryPiece() (mqp *model.MysqlQueryPiece) {
nowInMS := time.Now().UnixNano() / int64(time.Millisecond)
mqp = &model.MysqlQueryPiece{
SessionID: ms.connectionID,
ClientHost: ms.clientHost,
ServerIP: ms.serverIP,
ServerPort: ms.serverPort,
VisitUser: ms.visitUser,
VisitDB: ms.visitDB,
BeginTime: time.Unix(ms.beginTime/1000, 0).Format(datetimeFormat),
CostTimeInMS: nowInMS - ms.beginTime,
}
return mqp
func (ms *MysqlSession) composeQueryPiece() (mqp *model.PooledMysqlQueryPiece) {
return model.NewPooledMysqlQueryPiece(
ms.connectionID, ms.visitUser, ms.visitDB, ms.clientHost, ms.serverIP, ms.serverPort, ms.stmtBeginTime)
}