simon
f512936d97
Combine cached accel and tap in one low-overhead master command for ~16 ms host polling. The dashboard uses a single live-stream toggle plus per-slave accel-stream controls; fix live_stream state so polling is not cleared every slow client refresh. Co-authored-by: Cursor <cursoragent@cursor.com>
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
package main
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import (
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"embed"
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"flag"
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"fmt"
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"io/fs"
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"log"
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"net/http"
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"time"
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"github.com/gorilla/websocket"
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)
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//go:embed webui/*
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var webUI embed.FS
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var wsUpgrader = websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool { return true },
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}
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func runServe(portName string, baud int, args []string) error {
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serveFlags := flag.NewFlagSet("serve", flag.ExitOnError)
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addr := serveFlags.String("addr", ":8080", "dashboard HTTP listen address")
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apiAddr := serveFlags.String("api-addr", ":8081", "external API HTTP listen address (empty to disable)")
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accelInterval := serveFlags.Duration("accel-interval", defaultAccelStreamInterval, "accel WebSocket sample period on API server")
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interval := serveFlags.Duration("interval", 2*time.Second, "UART poll interval")
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if err := serveFlags.Parse(args); err != nil {
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return err
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}
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if portName == "" {
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return fmt.Errorf("serve requires -port (master UART)")
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}
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link := newManagedSerial(portName, baud)
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link.quiet = true
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defer link.Close()
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hub := newWSHub()
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streamCtl := newAccelStreamCtl()
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tapCtl := newTapNotifyCtl()
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stop := make(chan struct{})
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defer close(stop)
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go runPoller(link, portName, hub, streamCtl, tapCtl, *interval, stop)
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go runBatteryPoller(link, hub, 5*time.Second, stop)
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go runCacheStatusDashboardPoller(link, hub, *accelInterval, stop)
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var apiSrv *http.Server
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if *apiAddr != "" {
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apiSrv = runAPIServer(portName, link, *apiAddr, *accelInterval, hub, streamCtl, tapCtl, stop)
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defer shutdownAPIServer(apiSrv)
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}
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mux := http.NewServeMux()
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mountServeAPI(mux, link, hub, streamCtl, tapCtl)
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mux.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
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conn, err := wsUpgrader.Upgrade(w, r, nil)
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if err != nil {
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log.Printf("websocket upgrade: %v", err)
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return
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}
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hub.register(conn)
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defer hub.unregister(conn)
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defer conn.Close()
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for {
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if _, _, err := conn.ReadMessage(); err != nil {
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return
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}
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}
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})
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ui, err := fs.Sub(webUI, "webui")
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if err != nil {
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return err
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}
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mux.Handle("/", http.FileServer(http.FS(ui)))
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log.Printf("dashboard http://localhost%s (UART %s @ %d baud, poll %s, live-stream %s, auto-reconnect)",
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*addr, portName, baud, interval.String(), accelInterval.String())
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if *apiAddr == "" {
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log.Printf("external API disabled (-api-addr \"\")")
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}
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return http.ListenAndServe(*addr, mux)
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}
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