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progressTracker.go
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progressTracker.go
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/*
Copyright (c) YugabyteDB, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"github.com/tebeka/atexit"
"github.com/vbauerster/mpb/v8"
"github.com/yugabyte/yb-voyager/yb-voyager/src/dbzm"
pbreporter "github.com/yugabyte/yb-voyager/yb-voyager/src/reporter/pb"
)
type ProgressTracker struct {
totalRowCount map[string]int64
inProgressTableSno int
inProgressQualifiedTableName string
mpbProgress *mpb.Progress
pb pbreporter.ExportProgressReporter
}
func NewProgressTracker(totalRowCount map[string]int64) *ProgressTracker {
pt := &ProgressTracker{
totalRowCount: totalRowCount,
mpbProgress: mpb.New(),
}
atexit.Register(func() {
pt.mpbProgress.Shutdown()
})
return pt
}
func (pt *ProgressTracker) UpdateProgress(status *dbzm.ExportStatus) {
if status == nil || status.InProgressTableSno() == -1 {
return
}
inProgressTableSno := status.InProgressTableSno()
if pt.pb == nil || pt.inProgressTableSno != inProgressTableSno {
// Complete currently in-progress progress-bar.
if pt.pb != nil {
pt.pb.SetTotalRowCount(pt.totalRowCount[pt.inProgressQualifiedTableName], true)
pt.pb = nil
}
// Start new progress-bar.
pt.inProgressTableSno = inProgressTableSno
pt.inProgressQualifiedTableName = status.GetQualifiedTableName(pt.inProgressTableSno)
pt.pb = pbreporter.NewExportPB(pt.mpbProgress, pt.inProgressQualifiedTableName, bool(disablePb))
pt.pb.SetTotalRowCount(pt.totalRowCount[pt.inProgressQualifiedTableName], false)
}
exportedRowCount := status.GetTableExportedRowCount(pt.inProgressTableSno)
if pt.totalRowCount[pt.inProgressQualifiedTableName] <= exportedRowCount {
pt.totalRowCount[pt.inProgressQualifiedTableName] = int64(float64(exportedRowCount) * 1.05)
pt.pb.SetTotalRowCount(pt.totalRowCount[pt.inProgressQualifiedTableName], false)
}
pt.pb.SetExportedRowCount(exportedRowCount)
}
func (pt *ProgressTracker) Done(status *dbzm.ExportStatus) {
if pt.pb != nil {
exportedRowCount := status.GetTableExportedRowCount(pt.inProgressTableSno)
pt.pb.SetTotalRowCount(exportedRowCount, true /* Mark complete */)
pt.pb = nil
}
pt.mpbProgress.Wait()
}