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support binlog compression

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master
兔子 1 year ago
parent 39ca67fcfe
commit 8b0423eb94
2 changed files with 216 additions and 189 deletions
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392
parse.go
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@ -12,16 +12,17 @@ import (
) )
type TxDetail struct { type TxDetail struct {
StartPos int StartPos int
EndPos int EndPos int
RowCount int RowCount int
Timestamp int64 Timestamp int64
Time time.Time Time time.Time
Sql string Sql string
Db string Db string
Table string Table string
SqlType string SqlType string
Rows [][]interface{} CompressionType string
Rows [][]interface{}
} }
type Transaction struct { type Transaction struct {
@ -80,13 +81,7 @@ func parseBinlogDetail(r io.Reader, f func(Transaction)) error {
var ( var (
err error err error
n int64 n int64
db string = ""
tb string = ""
sql string = ""
sqlType string = ""
rowCnt uint32 = 0
tbMapPos uint32 = 0 tbMapPos uint32 = 0
rows [][]interface{}
) )
var tx Transaction var tx Transaction
currentGtid := "" currentGtid := ""
@ -157,100 +152,105 @@ func parseBinlogDetail(r io.Reader, f func(Transaction)) error {
//binEvent := &replication.BinlogEvent{RawData: rawData, Header: h, Event: e} //binEvent := &replication.BinlogEvent{RawData: rawData, Header: h, Event: e}
binEvent := &replication.BinlogEvent{Header: h, Event: e} // we donnot need raw data binEvent := &replication.BinlogEvent{Header: h, Event: e} // we donnot need raw data
db, tb, sqlType, sql, rowCnt, rows = GetDbTbAndQueryAndRowCntFromBinevent(binEvent) evs := ParseBinlogEvent(binEvent)
startPos := 0 for _, ev := range evs {
if sqlType == "query" || sqlType == "gtid" { startPos := 0
startPos = int(h.LogPos - h.EventSize) if ev.Type == "query" || ev.Type == "gtid" {
//fmt.Println(h.Timestamp, h.LogPos-h.EventSize, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType) startPos = int(h.LogPos - h.EventSize)
// cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: h.LogPos - h.EventSize, StopPos: h.LogPos, //fmt.Println(h.Timestamp, h.LogPos-h.EventSize, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType)
// Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType} // cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: h.LogPos - h.EventSize, StopPos: h.LogPos,
} else { // Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType}
startPos = int(tbMapPos) } else {
//fmt.Println(h.Timestamp, t bMapPos, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType) startPos = int(tbMapPos)
// cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: tbMapPos, StopPos: h.LogPos, //fmt.Println(h.Timestamp, t bMapPos, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType)
// Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType} // cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: tbMapPos, StopPos: h.LogPos,
} // Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType}
switch sqlType { }
case "gtid": switch ev.Type {
if currentGtid != "" { case "gtid":
idx := 0 if currentGtid != "" {
for k, v := range tx.Txs { idx := 0
if v.SqlType != "query" && len(tx.sqlOrigin) > idx { for k, v := range tx.Txs {
v.Sql = tx.sqlOrigin[idx] if v.SqlType != "query" && len(tx.sqlOrigin) > idx {
idx++ v.Sql = tx.sqlOrigin[idx]
idx++
}
tx.RowsCount += v.RowCount
tx.Txs[k] = v
}
tx.Size = tx.EndPos - tx.StartPos
if f != nil {
f(tx)
} }
tx.RowsCount += v.RowCount
tx.Txs[k] = v
} }
tx.Size = tx.EndPos - tx.StartPos currentGtid = ev.Data
if f != nil { tx = Transaction{
f(tx) GTID: ev.Data,
StartPos: startPos,
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
} }
case "":
tx.EndPos = int(h.LogPos)
continue
case "rowsquery":
tx.EndPos = int(h.LogPos)
tx.sqlOrigin = append(tx.sqlOrigin, ev.Data)
default:
tx.EndPos = int(h.LogPos)
tx.Txs = append(tx.Txs, TxDetail{
StartPos: startPos,
EndPos: int(h.LogPos),
Db: ev.DB,
Table: ev.TB,
Sql: ev.Data,
SqlType: ev.Type,
Rows: ev.Rows,
RowCount: int(ev.RowCnt),
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
CompressionType: ev.CompressionType,
})
} }
currentGtid = sql
tx = Transaction{
GTID: sql,
StartPos: startPos,
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
}
case "":
tx.EndPos = int(h.LogPos)
continue
case "rowsquery":
tx.EndPos = int(h.LogPos)
tx.sqlOrigin = append(tx.sqlOrigin, sql)
default:
tx.EndPos = int(h.LogPos)
tx.Txs = append(tx.Txs, TxDetail{
StartPos: startPos,
EndPos: int(h.LogPos),
Db: db,
Table: tb,
Sql: sql,
SqlType: sqlType,
Rows: rows,
RowCount: int(rowCnt),
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
})
} }
} }
} }
func GetDbTbAndQueryAndRowCntFromBinevent(ev *replication.BinlogEvent) (string, string, string, string, uint32, [][]interface{}) { type BinlogEvent struct {
var ( Type string
db string = "" DB string
tb string = "" TB string
sql string = "" Data string
sqlType string = "" RowCnt uint32
rowCnt uint32 = 0 Rows [][]interface{}
rows [][]interface{} CompressionType string
) }
func ParseBinlogEvent(ev *replication.BinlogEvent) []BinlogEvent {
var res []BinlogEvent
var sig BinlogEvent
switch ev.Header.EventType { switch ev.Header.EventType {
case replication.ANONYMOUS_GTID_EVENT: case replication.ANONYMOUS_GTID_EVENT:
//ge := ev.Event.(*replication.GTIDEvent) //ge := ev.Event.(*replication.GTIDEvent)
sql = "anonymous-gtid-event:1" sig.Data = "anonymous-gtid-event:1"
sqlType = "gtid" sig.Type = "gtid"
case replication.WRITE_ROWS_EVENTv1, case replication.WRITE_ROWS_EVENTv1,
replication.WRITE_ROWS_EVENTv2: replication.WRITE_ROWS_EVENTv2:
wrEvent := ev.Event.(*replication.RowsEvent) wrEvent := ev.Event.(*replication.RowsEvent)
db = string(wrEvent.Table.Schema) sig.TB = string(wrEvent.Table.Schema)
tb = string(wrEvent.Table.Table) sig.TB = string(wrEvent.Table.Table)
sqlType = "insert" sig.Type = "insert"
rowCnt = uint32(len(wrEvent.Rows)) sig.RowCnt = uint32(len(wrEvent.Rows))
rows = wrEvent.Rows sig.Rows = wrEvent.Rows
case replication.UPDATE_ROWS_EVENTv1, case replication.UPDATE_ROWS_EVENTv1,
replication.UPDATE_ROWS_EVENTv2: replication.UPDATE_ROWS_EVENTv2:
wrEvent := ev.Event.(*replication.RowsEvent) wrEvent := ev.Event.(*replication.RowsEvent)
db = string(wrEvent.Table.Schema) sig.DB = string(wrEvent.Table.Schema)
tb = string(wrEvent.Table.Table) sig.DB = string(wrEvent.Table.Table)
sqlType = "update" sig.Type = "update"
rowCnt = uint32(len(wrEvent.Rows)) / 2 sig.RowCnt = uint32(len(wrEvent.Rows)) / 2
rows = wrEvent.Rows sig.Rows = wrEvent.Rows
case replication.DELETE_ROWS_EVENTv1, case replication.DELETE_ROWS_EVENTv1,
replication.DELETE_ROWS_EVENTv2: replication.DELETE_ROWS_EVENTv2:
@ -258,52 +258,66 @@ func GetDbTbAndQueryAndRowCntFromBinevent(ev *replication.BinlogEvent) (string,
//replication.TABLE_MAP_EVENT: //replication.TABLE_MAP_EVENT:
wrEvent := ev.Event.(*replication.RowsEvent) wrEvent := ev.Event.(*replication.RowsEvent)
db = string(wrEvent.Table.Schema) sig.DB = string(wrEvent.Table.Schema)
tb = string(wrEvent.Table.Table) sig.TB = string(wrEvent.Table.Table)
sqlType = "delete" sig.Type = "delete"
rowCnt = uint32(len(wrEvent.Rows)) sig.RowCnt = uint32(len(wrEvent.Rows))
rows = wrEvent.Rows sig.Rows = wrEvent.Rows
case replication.ROWS_QUERY_EVENT: case replication.ROWS_QUERY_EVENT:
queryEvent := ev.Event.(*replication.RowsQueryEvent) queryEvent := ev.Event.(*replication.RowsQueryEvent)
sql = string(queryEvent.Query) sig.Data = string(queryEvent.Query)
sqlType = "rowsquery" sig.Type = "rowsquery"
case replication.QUERY_EVENT: case replication.QUERY_EVENT:
queryEvent := ev.Event.(*replication.QueryEvent) queryEvent := ev.Event.(*replication.QueryEvent)
db = string(queryEvent.Schema) sig.DB = string(queryEvent.Schema)
sql = string(queryEvent.Query) sig.Data = string(queryEvent.Query)
sqlType = "query" sig.Type = "query"
case replication.MARIADB_GTID_EVENT: case replication.MARIADB_GTID_EVENT:
// For global transaction ID, used to start a new transaction event group, instead of the old BEGIN query event, and also to mark stand-alone (ddl). // For global transaction ID, used to start a new transaction event group, instead of the old BEGIN query event, and also to mark stand-alone (ddl).
//https://mariadb.com/kb/en/library/gtid_event/ //https://mariadb.com/kb/en/library/gtid_event/
sql = "begin" sig.Data = "begin"
sqlType = "query" sig.Type = "query"
case replication.XID_EVENT: case replication.XID_EVENT:
// XID_EVENT represents commit。rollback transaction not in binlog // XID_EVENT represents commit。rollback transaction not in binlog
sql = "commit" sig.Data = "commit"
sqlType = "query" sig.Type = "query"
case replication.GTID_EVENT: case replication.GTID_EVENT:
ge := ev.Event.(*replication.GTIDEvent) ge := ev.Event.(*replication.GTIDEvent)
gid, err := gtid.Parse(fmt.Sprintf("%s:%d", bytesToUuid(ge.SID), ge.GNO)) gid, err := gtid.Parse(fmt.Sprintf("%s:%d", bytesToUuid(ge.SID), ge.GNO))
if err == nil { if err == nil {
sql = gid.String() sig.Data = gid.String()
}
sig.Type = "gtid"
case replication.TRANSACTION_PAYLOAD_EVENT:
ge := ev.Event.(*replication.TransactionPayloadEvent)
for _, val := range ge.Events {
res = append(res, ParseBinlogEvent(val)...)
}
for idx := range res {
if ge.CompressionType == 0 {
res[idx].CompressionType = "ZSTD"
} else if ge.CompressionType != 255 {
res[idx].CompressionType = "UNKNOWN"
}
} }
sqlType = "gtid" return res
} }
return db, tb, sqlType, sql, rowCnt, rows res = append(res, sig)
return res
} }
type BinlogFilter struct { type BinlogFilter struct {
IncludeGtid string IncludeGtid string
ExcludeGtid string ExcludeGtid string
StartPos int StartPos int
EndPos int EndPos int
StartDate time.Time StartDate time.Time
EndDate time.Time EndDate time.Time
BigThan int BigThan int
SmallThan int SmallThan int
OnlyShowGtid bool
} }
func parseBinlogWithFilter(r io.Reader, parse *replication.BinlogParser, filter BinlogFilter, fn func(Transaction)) error { func parseBinlogWithFilter(r io.Reader, parse *replication.BinlogParser, filter BinlogFilter, fn func(Transaction)) error {
@ -325,14 +339,8 @@ func parseBinlogWithFilter(r io.Reader, parse *replication.BinlogParser, filter
// process: 0, continue: 1, break: 2, EOF: 3 // process: 0, continue: 1, break: 2, EOF: 3
var ( var (
n int64 n int64
db string = ""
tb string = ""
sql string = ""
sqlType string = ""
rowCnt uint32 = 0
tbMapPos uint32 = 0 tbMapPos uint32 = 0
skipTillNext bool = false skipTillNext bool = false
rows [][]interface{}
) )
var tx Transaction var tx Transaction
@ -398,6 +406,9 @@ func parseBinlogWithFilter(r io.Reader, parse *replication.BinlogParser, filter
if skipTillNext && h.EventType != replication.GTID_EVENT { if skipTillNext && h.EventType != replication.GTID_EVENT {
continue continue
} }
if filter.OnlyShowGtid && h.EventType != replication.GTID_EVENT {
continue
}
//h.Dump(os.Stdout) //h.Dump(os.Stdout)
data := buf.Bytes() data := buf.Bytes()
@ -426,78 +437,81 @@ func parseBinlogWithFilter(r io.Reader, parse *replication.BinlogParser, filter
//binEvent := &replication.BinlogEvent{RawData: rawData, Header: h, Event: e} //binEvent := &replication.BinlogEvent{RawData: rawData, Header: h, Event: e}
binEvent := &replication.BinlogEvent{Header: h, Event: e} // we donnot need raw data binEvent := &replication.BinlogEvent{Header: h, Event: e} // we donnot need raw data
db, tb, sqlType, sql, rowCnt, rows = GetDbTbAndQueryAndRowCntFromBinevent(binEvent) evs := ParseBinlogEvent(binEvent)
startPos := 0 for _, ev := range evs {
if sqlType == "query" || sqlType == "gtid" { startPos := 0
startPos = int(h.LogPos - h.EventSize) if ev.Type == "query" || ev.Type == "gtid" {
//fmt.Println(h.Timestamp, h.LogPos-h.EventSize, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType) startPos = int(h.LogPos - h.EventSize)
// cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: h.LogPos - h.EventSize, StopPos: h.LogPos, //fmt.Println(h.Timestamp, h.LogPos-h.EventSize, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType)
// Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType} // cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: h.LogPos - h.EventSize, StopPos: h.LogPos,
} else { // Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType}
startPos = int(tbMapPos) } else {
//fmt.Println(h.Timestamp, t bMapPos, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType) startPos = int(tbMapPos)
// cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: tbMapPos, StopPos: h.LogPos, //fmt.Println(h.Timestamp, t bMapPos, h.LogPos, db, tb, "sql="+sql, rowCnt, sqlType)
// Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType} // cfg.StatChan <- BinEventStats{Timestamp: h.Timestamp, Binlog: *binlog, StartPos: tbMapPos, StopPos: h.LogPos,
} // Database: db, Table: tb, QuerySql: sql, RowCnt: rowCnt, QueryType: sqlType}
switch sqlType {
case "gtid":
if skipTillNext {
skipTillNext = false
} }
if currentGtid != "" { switch ev.Type {
idx := 0 case "gtid":
for k, v := range tx.Txs { if skipTillNext {
if v.SqlType != "query" && len(tx.sqlOrigin) > idx { skipTillNext = false
v.Sql = tx.sqlOrigin[idx] }
idx++ if currentGtid != "" {
idx := 0
for k, v := range tx.Txs {
if v.SqlType != "query" && len(tx.sqlOrigin) > idx {
v.Sql = tx.sqlOrigin[idx]
idx++
}
tx.RowsCount += v.RowCount
tx.Txs[k] = v
} }
tx.RowsCount += v.RowCount tx.Size = tx.EndPos - tx.StartPos
tx.Txs[k] = v callFn(tx)
} }
tx.Size = tx.EndPos - tx.StartPos currentGtid = ev.Data
callFn(tx) if inGtid != nil {
} if c, _ := inGtid.Contain(ev.Data); !c {
currentGtid = sql currentGtid = ""
if inGtid != nil { skipTillNext = true
if c, _ := inGtid.Contain(sql); !c { continue
currentGtid = "" }
skipTillNext = true
continue
} }
} if exGtid != nil {
if exGtid != nil { if c, _ := exGtid.Contain(ev.Data); c {
if c, _ := exGtid.Contain(sql); c { currentGtid = ""
currentGtid = "" skipTillNext = true
skipTillNext = true continue
continue }
} }
tx = Transaction{
GTID: ev.Data,
StartPos: startPos,
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
}
case "":
tx.EndPos = int(h.LogPos)
continue
case "rowsquery":
tx.EndPos = int(h.LogPos)
tx.sqlOrigin = append(tx.sqlOrigin, ev.Data)
default:
tx.EndPos = int(h.LogPos)
tx.Txs = append(tx.Txs, TxDetail{
StartPos: startPos,
EndPos: int(h.LogPos),
Db: ev.DB,
Table: ev.TB,
Sql: ev.Data,
SqlType: ev.Type,
Rows: ev.Rows,
RowCount: int(ev.RowCnt),
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
CompressionType: ev.CompressionType,
})
} }
tx = Transaction{
GTID: sql,
StartPos: startPos,
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
}
case "":
tx.EndPos = int(h.LogPos)
continue
case "rowsquery":
tx.EndPos = int(h.LogPos)
tx.sqlOrigin = append(tx.sqlOrigin, sql)
default:
tx.EndPos = int(h.LogPos)
tx.Txs = append(tx.Txs, TxDetail{
StartPos: startPos,
EndPos: int(h.LogPos),
Db: db,
Table: tb,
Sql: sql,
SqlType: sqlType,
Rows: rows,
RowCount: int(rowCnt),
Timestamp: int64(h.Timestamp),
Time: time.Unix(int64(h.Timestamp), 0),
})
} }
} }
} }

13
parse_test.go
Unescape Escape View File

@ -2,6 +2,7 @@ package binlog
import ( import (
"fmt" "fmt"
"os"
"testing" "testing"
"time" "time"
) )
@ -26,3 +27,15 @@ func TestParseFilter(t *testing.T) {
fmt.Println(transaction) fmt.Println(transaction)
}) })
} }
func TestParseExternal(t *testing.T) {
file := `C:\mysql-bin.000001`
if _, err := os.Stat(file); err != nil {
return
}
ParseBinlogWithFilter(file, 0, BinlogFilter{
OnlyShowGtid: true,
}, func(transaction Transaction) {
fmt.Println(transaction)
})
}

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