add: queue total ETA from current encode speed
The queue card now shows an estimated time to clear: current job remaining + sum(pending source durations) / current speed. Durations come from a path+mtime-keyed cache that probes each file once in the background (ffprobe format=duration, header-only), so the 1s poll never re-probes; entries are pruned to the live queue. No speed (idle/held) -> no estimate; files still being probed mark it partial (shown as '~Xh+'). Closes #9
This commit is contained in:
Esa Kataja
@@ -97,6 +97,7 @@
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.qsum { display:flex; align-items:baseline; gap:.5rem; flex-wrap:wrap; margin-bottom:.8rem; }
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.qsum .qn { font-family:var(--mono); font-size:1.4rem; color:var(--amber); line-height:1; }
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.qsum .ql { color:var(--muted); font-size:.85rem; }
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.qsum .qeta { font-family:var(--mono); font-size:.8rem; color:var(--amber-soft); margin-left:auto; }
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ul.list { list-style:none; margin:0; padding:0; font-family:var(--mono); font-size:.82rem; }
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ul.list li { padding:.35rem 0; border-bottom:1px solid var(--line); color:var(--muted); word-break:break-word; }
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ul.list li:last-child { border-bottom:0; }
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@@ -325,7 +326,8 @@
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for (const s of arr) { while (!s.startsWith(p)) p = p.slice(0, -1); if (!p) break; }
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return p;
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}
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function renderQueue(queue, current) {
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function renderQueue(d) {
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const queue = d.queue, current = d.current;
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const cur = base(current && current.file);
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const pending = (queue || []).filter(f => f !== cur);
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const el = $("queue");
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@@ -334,7 +336,10 @@
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return;
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}
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const pre = pending.length > 1 ? commonPrefix(pending) : "";
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const head = `<div class="qsum"><span class="qn">${pending.length}</span><span class="ql">${pending.length === 1 ? "file" : "files"} waiting</span></div>`;
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const eta = d.queue_eta_sec > 0
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? `<span class="qeta">~${fmtDurLong(d.queue_eta_sec)}${d.queue_eta_partial ? "+" : ""} to clear</span>`
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: "";
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const head = `<div class="qsum"><span class="qn">${pending.length}</span><span class="ql">${pending.length === 1 ? "file" : "files"} waiting</span>${eta}</div>`;
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const rows = pending.slice(0, 3).map(f => {
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const tail = pre ? f.slice(pre.length) : f;
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return `<li>${pre ? `<span class="pre">${esc(pre)}</span>` : ""}<span class="key">${esc(tail)}</span></li>`;
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@@ -429,7 +434,7 @@
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renderControls(d);
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renderJob(d.current);
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renderFailed(d.failed);
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renderQueue(d.queue, d.current);
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renderQueue(d);
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renderEvents(d.recent);
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const active = d.current && d.current.file && d.current.phase !== "idle";
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setLive(d.current && d.current.paused ? "idle" : active ? "ok" : "idle");
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+122
-12
@@ -6,7 +6,10 @@ import (
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_ "embed"
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"encoding/json"
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"net/http"
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"os"
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"path/filepath"
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"sync"
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"time"
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"av1dae/internal/logger"
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"av1dae/internal/settings"
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@@ -35,12 +38,91 @@ type Server struct {
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log *logger.Logger
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store *settings.Store
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controls Controls
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durCache *durationCache
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inputDir string
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failedDir string
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}
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func New(tracker *status.Tracker, log *logger.Logger, store *settings.Store, controls Controls, inputDir, failedDir string) *Server {
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return &Server{tracker: tracker, log: log, store: store, controls: controls, inputDir: inputDir, failedDir: failedDir}
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func New(tracker *status.Tracker, log *logger.Logger, store *settings.Store, controls Controls, probeDuration func(string) (float64, error), inputDir, failedDir string) *Server {
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return &Server{
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tracker: tracker,
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log: log,
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store: store,
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controls: controls,
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durCache: newDurationCache(probeDuration),
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inputDir: inputDir,
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failedDir: failedDir,
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}
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}
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type durEntry struct {
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mtime time.Time
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sec float64
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}
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// durationCache memoizes source durations (keyed by path+mtime) so the queue
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// ETA doesn't re-probe every file on every 1s poll. A miss kicks a background
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// ffprobe and resolves on a later poll; the file shows as "estimating" until.
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type durationCache struct {
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probe func(string) (float64, error)
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mu sync.Mutex
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m map[string]durEntry
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inflight map[string]bool
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}
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func newDurationCache(probe func(string) (float64, error)) *durationCache {
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return &durationCache{probe: probe, m: map[string]durEntry{}, inflight: map[string]bool{}}
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}
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func (c *durationCache) Get(path string, mtime time.Time) (float64, bool) {
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c.mu.Lock()
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if e, ok := c.m[path]; ok && e.mtime.Equal(mtime) {
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c.mu.Unlock()
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return e.sec, true
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}
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if c.inflight[path] {
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c.mu.Unlock()
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return 0, false
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}
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c.inflight[path] = true
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c.mu.Unlock()
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go func() {
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sec, err := c.probe(path)
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c.mu.Lock()
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delete(c.inflight, path)
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if err == nil {
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c.m[path] = durEntry{mtime, sec}
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}
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c.mu.Unlock()
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}()
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return 0, false
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}
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// Retain drops cached entries for paths no longer present, bounding the map on
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// a long-running daemon.
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func (c *durationCache) Retain(paths []string) {
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keep := make(map[string]bool, len(paths))
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for _, p := range paths {
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keep[p] = true
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}
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c.mu.Lock()
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for p := range c.m {
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if !keep[p] {
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delete(c.m, p)
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}
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}
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c.mu.Unlock()
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}
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// queueETASeconds estimates wall-clock time to clear the queue: the current
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// job's remaining time plus each pending file's duration / current speed.
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// 0 when there's no speed to extrapolate from (idle/held).
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func queueETASeconds(currentETASec int, sumQueuedSec, speed float64) int {
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if speed <= 0 {
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return 0
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}
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return currentETASec + int(sumQueuedSec/speed)
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}
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// Handler returns the mux for all status routes. Phase 3 adds "/" (the HTML
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@@ -157,11 +239,13 @@ func (s *Server) handleIndex(w http.ResponseWriter, r *http.Request) {
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}
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type statusResponse struct {
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Running bool `json:"running"`
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Current status.Snapshot `json:"current"`
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Queue []string `json:"queue"`
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Failed []string `json:"failed"`
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Recent []logger.LogEntry `json:"recent"`
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Running bool `json:"running"`
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Current status.Snapshot `json:"current"`
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Queue []string `json:"queue"`
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Failed []string `json:"failed"`
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QueueETASec int `json:"queue_eta_sec"`
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QueueETAPartial bool `json:"queue_eta_partial"`
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Recent []logger.LogEntry `json:"recent"`
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}
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func (s *Server) handleStatus(w http.ResponseWriter, r *http.Request) {
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@@ -171,13 +255,39 @@ func (s *Server) handleStatus(w http.ResponseWriter, r *http.Request) {
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return
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}
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snap := s.tracker.Snapshot()
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files := watcher.InputFiles(s.inputDir)
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// Sum durations of pending files (excluding the current job, whose remaining
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// time is already in snap.ETASec). Unprobed files mark the estimate partial.
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var sumQueued float64
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partial := false
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for _, f := range files {
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if f == snap.File {
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continue
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}
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info, statErr := os.Stat(f)
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if statErr != nil {
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partial = true
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continue
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}
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if sec, ok := s.durCache.Get(f, info.ModTime()); ok {
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sumQueued += sec
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} else {
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partial = true
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}
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}
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s.durCache.Retain(files)
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w.Header().Set("Content-Type", "application/json")
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_ = json.NewEncoder(w).Encode(statusResponse{
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Running: s.controls.Running(),
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Current: s.tracker.Snapshot(),
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Queue: baseNames(watcher.InputFiles(s.inputDir)),
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Failed: baseNames(watcher.InputFiles(s.failedDir)),
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Recent: recent,
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Running: s.controls.Running(),
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Current: snap,
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Queue: baseNames(files),
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Failed: baseNames(watcher.InputFiles(s.failedDir)),
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QueueETASec: queueETASeconds(snap.ETASec, sumQueued, snap.Speed),
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QueueETAPartial: partial,
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Recent: recent,
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})
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}
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@@ -0,0 +1,62 @@
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package server
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import (
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"testing"
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"time"
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)
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func TestQueueETASeconds(t *testing.T) {
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// No speed → can't extrapolate.
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if got := queueETASeconds(100, 3600, 0); got != 0 {
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t.Errorf("speed 0: got %d, want 0", got)
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}
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// current remaining 600s + 1800s of queued source at 0.5x (=3600s) = 4200s.
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if got := queueETASeconds(600, 1800, 0.5); got != 4200 {
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t.Errorf("got %d, want 4200", got)
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}
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// At 2x, 1800s of source encodes in 900s; + 600 remaining = 1500.
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if got := queueETASeconds(600, 1800, 2); got != 1500 {
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t.Errorf("got %d, want 1500", got)
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}
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// Empty queue → just the current job's remaining.
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if got := queueETASeconds(600, 0, 1); got != 600 {
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t.Errorf("got %d, want 600", got)
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}
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}
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// waitCached polls Get (the probe resolves on a background goroutine).
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func waitCached(c *durationCache, p string, mt time.Time) (float64, bool) {
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for i := 0; i < 200; i++ {
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if sec, ok := c.Get(p, mt); ok {
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return sec, true
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}
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time.Sleep(2 * time.Millisecond)
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}
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return 0, false
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}
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func TestDurationCache(t *testing.T) {
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c := newDurationCache(func(p string) (float64, error) { return 42, nil })
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mt := time.Unix(1000, 0)
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if _, ok := c.Get("/a.mkv", mt); ok {
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t.Fatal("first Get should miss")
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}
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if sec, ok := waitCached(c, "/a.mkv", mt); !ok || sec != 42 {
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t.Fatalf("after probe: got %v ok=%v, want 42 true", sec, ok)
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}
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// A changed mtime invalidates the entry.
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if _, ok := c.Get("/a.mkv", time.Unix(2000, 0)); ok {
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t.Error("changed mtime should miss")
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}
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if _, ok := waitCached(c, "/a.mkv", time.Unix(2000, 0)); !ok {
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t.Fatal("re-probe under new mtime should cache")
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}
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// Retain drops entries for paths not in the keep set.
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c.Retain([]string{"/b.mkv"})
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if _, ok := c.Get("/a.mkv", time.Unix(2000, 0)); ok {
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t.Error("Retain should have dropped /a.mkv")
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}
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}
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