package ui import ( "fmt" "os" "sort" "time" "github.com/restic/restic/internal/archiver" "github.com/restic/restic/internal/restic" "github.com/restic/restic/internal/ui/termstatus" ) // Backup reports progress for the `backup` command. type Backup struct { *Message *StdioWrapper term *termstatus.Terminal } // assert that Backup implements the ProgressPrinter interface var _ ProgressPrinter = &Backup{} // NewBackup returns a new backup progress reporter. func NewBackup(term *termstatus.Terminal, verbosity uint) *Backup { return &Backup{ Message: NewMessage(term, verbosity), StdioWrapper: NewStdioWrapper(term), term: term, } } // update updates the status lines. func (b *Backup) Update(total, processed Counter, errors uint, currentFiles map[string]struct{}, start time.Time, secs uint64) { var status string if total.Files == 0 && total.Dirs == 0 { // no total count available yet status = fmt.Sprintf("[%s] %v files, %s, %d errors", formatDuration(time.Since(start)), processed.Files, formatBytes(processed.Bytes), errors, ) } else { var eta, percent string if secs > 0 && processed.Bytes < total.Bytes { eta = fmt.Sprintf(" ETA %s", formatSeconds(secs)) percent = formatPercent(processed.Bytes, total.Bytes) percent += " " } // include totals status = fmt.Sprintf("[%s] %s%v files %s, total %v files %v, %d errors%s", formatDuration(time.Since(start)), percent, processed.Files, formatBytes(processed.Bytes), total.Files, formatBytes(total.Bytes), errors, eta, ) } lines := make([]string, 0, len(currentFiles)+1) for filename := range currentFiles { lines = append(lines, filename) } sort.Strings(lines) lines = append([]string{status}, lines...) b.term.SetStatus(lines) } // ScannerError is the error callback function for the scanner, it prints the // error in verbose mode and returns nil. func (b *Backup) ScannerError(item string, fi os.FileInfo, err error) error { b.V("scan: %v\n", err) return nil } // Error is the error callback function for the archiver, it prints the error and returns nil. func (b *Backup) Error(item string, fi os.FileInfo, err error) error { b.E("error: %v\n", err) return nil } func formatPercent(numerator uint64, denominator uint64) string { if denominator == 0 { return "" } percent := 100.0 * float64(numerator) / float64(denominator) if percent > 100 { percent = 100 } return fmt.Sprintf("%3.2f%%", percent) } func formatSeconds(sec uint64) string { hours := sec / 3600 sec -= hours * 3600 min := sec / 60 sec -= min * 60 if hours > 0 { return fmt.Sprintf("%d:%02d:%02d", hours, min, sec) } return fmt.Sprintf("%d:%02d", min, sec) } func formatDuration(d time.Duration) string { sec := uint64(d / time.Second) return formatSeconds(sec) } func formatBytes(c uint64) string { b := float64(c) switch { case c > 1<<40: return fmt.Sprintf("%.3f TiB", b/(1<<40)) case c > 1<<30: return fmt.Sprintf("%.3f GiB", b/(1<<30)) case c > 1<<20: return fmt.Sprintf("%.3f MiB", b/(1<<20)) case c > 1<<10: return fmt.Sprintf("%.3f KiB", b/(1<<10)) default: return fmt.Sprintf("%d B", c) } } // CompleteItem is the status callback function for the archiver when a // file/dir has been saved successfully. func (b *Backup) CompleteItem(messageType, item string, previous, current *restic.Node, s archiver.ItemStats, d time.Duration) { switch messageType { case "dir new": b.VV("new %v, saved in %.3fs (%v added, %v metadata)", item, d.Seconds(), formatBytes(s.DataSize), formatBytes(s.TreeSize)) case "dir unchanged": b.VV("unchanged %v", item) case "dir modified": b.VV("modified %v, saved in %.3fs (%v added, %v metadata)", item, d.Seconds(), formatBytes(s.DataSize), formatBytes(s.TreeSize)) case "file new": b.VV("new %v, saved in %.3fs (%v added)", item, d.Seconds(), formatBytes(s.DataSize)) case "file unchanged": b.VV("unchanged %v", item) case "file modified": b.VV("modified %v, saved in %.3fs (%v added)", item, d.Seconds(), formatBytes(s.DataSize)) } } // ReportTotal sets the total stats up to now func (b *Backup) ReportTotal(item string, start time.Time, s archiver.ScanStats) { b.V("scan finished in %.3fs: %v files, %s", time.Since(start).Seconds(), s.Files, formatBytes(s.Bytes), ) } // Reset status func (b *Backup) Reset() { if b.term.CanUpdateStatus() { b.term.SetStatus([]string{""}) } } // Finish prints the finishing messages. func (b *Backup) Finish(snapshotID restic.ID, start time.Time, summary *Summary, dryRun bool) { b.P("\n") b.P("Files: %5d new, %5d changed, %5d unmodified\n", summary.Files.New, summary.Files.Changed, summary.Files.Unchanged) b.P("Dirs: %5d new, %5d changed, %5d unmodified\n", summary.Dirs.New, summary.Dirs.Changed, summary.Dirs.Unchanged) b.V("Data Blobs: %5d new\n", summary.ItemStats.DataBlobs) b.V("Tree Blobs: %5d new\n", summary.ItemStats.TreeBlobs) verb := "Added" if dryRun { verb = "Would add" } b.P("%s to the repo: %-5s\n", verb, formatBytes(summary.ItemStats.DataSize+summary.ItemStats.TreeSize)) b.P("\n") b.P("processed %v files, %v in %s", summary.Files.New+summary.Files.Changed+summary.Files.Unchanged, formatBytes(summary.ProcessedBytes), formatDuration(time.Since(start)), ) }