78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package service
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import (
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"bufio"
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"encoding/json"
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"strings"
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"time"
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)
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const progressLogPrefix = "METIS_PROGRESS "
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// RemoteProgressUpdate is emitted by remote workers so the UI can show
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// concrete stage transitions instead of relying only on elapsed-time guesses.
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type RemoteProgressUpdate struct {
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Stage string `json:"stage,omitempty"`
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ProgressPct float64 `json:"progress_pct,omitempty"`
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Message string `json:"message,omitempty"`
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WrittenBytes int64 `json:"written_bytes,omitempty"`
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TotalBytes int64 `json:"total_bytes,omitempty"`
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}
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// ProgressLogLine formats a progress update for remote worker stdout.
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func ProgressLogLine(update RemoteProgressUpdate) string {
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data, err := json.Marshal(update)
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if err != nil {
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return ""
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}
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return progressLogPrefix + string(data)
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}
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func parseRemoteProgressLogs(logs string) (RemoteProgressUpdate, bool) {
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scanner := bufio.NewScanner(strings.NewReader(logs))
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scanner.Buffer(make([]byte, 0, 4096), 1<<20)
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var latest RemoteProgressUpdate
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found := false
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if !strings.HasPrefix(line, progressLogPrefix) {
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continue
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}
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raw := strings.TrimSpace(strings.TrimPrefix(line, progressLogPrefix))
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var update RemoteProgressUpdate
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if err := json.Unmarshal([]byte(raw), &update); err != nil {
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continue
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}
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latest = update
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found = true
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}
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return latest, found
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}
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func (a *App) applyRemoteProgress(jobID string, update RemoteProgressUpdate) {
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if strings.TrimSpace(jobID) == "" {
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return
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}
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a.setJob(jobID, func(j *Job) {
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if j == nil || j.Status != JobRunning {
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return
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}
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if stage := strings.TrimSpace(update.Stage); stage != "" && stage != j.Stage {
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j.Stage = stage
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j.StageStartedAt = time.Now().UTC()
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}
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if update.ProgressPct > j.ProgressPct {
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j.ProgressPct = update.ProgressPct
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}
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if message := strings.TrimSpace(update.Message); message != "" {
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j.Message = message
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}
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if update.WrittenBytes > 0 {
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j.Written = update.WrittenBytes
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}
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if update.TotalBytes > 0 {
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j.Total = update.TotalBytes
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}
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})
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}
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