add binlog parser command

Author: siddontang

Makefile

@@ -5,6 +5,7 @@ build:
 go build -o bin/go-mysqlbinlog cmd/go-mysqlbinlog/main.go 
 go build -o bin/go-mysqldump cmd/go-mysqldump/main.go 
 go build -o bin/go-canal cmd/go-canal/main.go 
+go build -o bin/go-binlogparser cmd/go-binlogparser/main.go 
 rm -rf vendor
 
 test:

cmd/go-binlogparser/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+"flag"
+"os"
+
+"github.com/siddontang/go-mysql/replication"
+)
+
+var name = flag.String("name", "", "binlog file name")
+var offset = flag.Int64("offset", 0, "parse start offset")
+
+func main() {
+flag.Parse()
+
+p := replication.NewBinlogParser()
+
+f := func(e *replication.BinlogEvent) error {
+e.Dump(os.Stdout)
+return nil
+}
+
+err := p.ParseFile(*name, *offset, f)
+
+if err != nil {
+println(err)
+}
+}