cli player agent added
This commit is contained in:
+12
-3
@@ -44,7 +44,9 @@ flowchart TB
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Audio[racket-audio<br/>local backend]
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Discovery[racket-upnp + racket-sonos<br/>device discovery]
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DLNA[racket-audio-dlna<br/>network backend and media server]
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Agent[player-agent.rkt<br/>polling Windows renderer]
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AgentGUI[private/player-agent-gui.rkt<br/>GUI adapter]
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AgentCLI[player-agent-cli.rkt<br/>CLI adapter]
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AgentCore[private/player-agent-core.rkt<br/>polling and audio runtime]
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Main --> Server
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Main --> Player
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@@ -56,8 +58,10 @@ flowchart TB
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Player --> Audio
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Player --> Discovery
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Player --> DLNA
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Agent --> Server
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Agent --> Audio
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AgentGUI --> AgentCore
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AgentCLI --> AgentCore
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AgentCore --> Server
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AgentCore --> Audio
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```
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### 3.1 Entrypoint and lifecycle
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@@ -327,6 +331,11 @@ INI allowlist. Media URLs additionally contain an opaque per-track token. The
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random application ID therefore acts as a shared bearer credential, but must
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not be treated as strong authentication when transported over unencrypted HTTP.
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The GUI and CLI playback agents share one headless runtime. The GUI only adapts
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configuration and state to widgets. Optional tray integration is loaded
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dynamically through SDL3, so CLI use and the default GUI installation do not
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acquire a mandatory SDL dependency.
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The configured library roots define the intended filesystem boundary. Clients
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operate on opaque indexes instead of sending paths directly. The DLNA backend
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must make a selected local file reachable by the network renderer, so its media
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@@ -154,8 +154,48 @@ De server wordt bijgewerkt zodra het nieuwe music-id werkelijk hoorbaar is en
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stuurt vervolgens de daaropvolgende prefetch. Tijdelijke bestanden worden
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opgeruimd zodra ze niet meer nodig zijn en bij afsluiten van de agent.
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Een systeemvakfunctie is voorlopig niet opgenomen. De agent start geen
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PowerShell-proces of andere externe tray-helper.
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### Systeemvak
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De GUI gebruikt optioneel de open-source SDL3-tray-API. Als zowel het Racket-
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pakket `sdl3` als de native SDL3-, SDL3_image- en SDL3_ttf-libraries aanwezig
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zijn, sluit de vensterknop de agent naar het systeemvak. Het menu bevat
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**RKT Web Player Agent openen** en **Afsluiten**. Zonder SDL3 blijft de agent
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gewoon werken en sluit de vensterknop het proces af. Er wordt geen PowerShell-
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proces of externe tray-helper gestart.
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```console
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raco pkg install sdl3
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```
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SDL3 is bewust geen verplichte package-dependency: de agent blijft daardoor
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klein voor gebruikers die geen systeemvak nodig hebben. Op Windows moeten de
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bijbehorende native DLL's daarnaast vindbaar zijn, bijvoorbeeld naast het
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gebouwde executable of via `PATH`.
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### CLI playback agent
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De headless agent gebruikt exact dezelfde polling-, download-, audio- en
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gapless-prefetchkern als de GUI-agent:
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```console
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racket player-agent-cli.rkt
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racket player-agent-cli.rkt --server https://muziek.example.nl --name "Werkkamer"
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```
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GUI en CLI gebruiken standaard hetzelfde gebruikersspecifieke
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`rkt-web-player-agent.ini`, dus ook hetzelfde application-ID. Met `--config`
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kan de CLI een afzonderlijk INI-bestand en daarmee een afzonderlijke identiteit
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gebruiken. Bij het starten worden naam, server en application-ID afgedrukt;
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stoppen gaat met `Ctrl+C`.
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Vanuit Racket is de headless variant eveneens beschikbaar:
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```racket
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(require rkt-web-player/player-agent)
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(run-player-agent-cli #:server-url "https://muziek.example.nl"
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#:name "Werkkamer")
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```
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De allowlist voorkomt dat een onbekende agent zich als uitvoerpunt registreert
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of opdrachten en tijdelijke media ontvangt. Het applicatie-ID is een gedeeld
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@@ -166,6 +206,7 @@ geen TLS heeft.
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## Controleren
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```console
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raco test private/users.rkt private/library.rkt private/player.rkt
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raco test private/users.rkt private/library.rkt private/player.rkt \
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private/player-agent-config.rkt
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raco setup --check-pkg-deps rkt-web-player
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```
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@@ -0,0 +1,112 @@
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#lang racket/base
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(require racket/cmdline
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racket/format
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racket/string
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simple-log
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"private/player-agent-config.rkt"
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"private/player-agent-core.rkt")
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(provide run-player-agent-cli)
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(define (track-description track)
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(cond
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((not track) "geen track")
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(else
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(define title (hash-ref track 'title #f))
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(define artist (hash-ref track 'artist #f))
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(define filename (hash-ref track 'filename "onbekend"))
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(cond
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((and artist title (not (string=? artist "")))
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(format "~a — ~a" artist title))
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(title title)
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(else filename)))))
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(define (run-player-agent-cli #:server-url [server-override #f]
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#:name [name-override #f]
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#:config-file [config-file #f])
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(sl-log-to-display)
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(define loaded
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(if config-file
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(load-player-agent-config config-file)
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(load-player-agent-config)))
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(define server-url
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(string-trim (or server-override
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(player-agent-config-server-url loaded))))
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(define name
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(string-trim (or name-override
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(player-agent-config-name loaded))))
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(define config
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(struct-copy player-agent-config loaded
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(server-url server-url)
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(name name)))
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(save-player-agent-config! config)
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(define (write-status message)
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(printf "[agent] ~a~n" message)
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(flush-output))
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(define runtime
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(make-player-agent-runtime
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server-url
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name
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(player-agent-config-app-id config)
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#:status-callback write-status
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#:denied-callback
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(lambda (message)
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(eprintf "~a~n" message)
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(flush-output (current-error-port)))))
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(printf "RKT Web Player CLI Agent~n")
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(printf "Naam: ~a~n" name)
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(printf "Server: ~a~n" server-url)
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(printf "Applicatie-ID: ~a~n" (player-agent-config-app-id config))
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(printf "Stoppen: Ctrl+C~n")
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(flush-output)
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(define monitor #f)
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(dynamic-wind
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(lambda ()
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((player-agent-runtime-start! runtime))
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(set! monitor
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(thread
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(lambda ()
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(let loop ((previous #f))
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(define snapshot
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((player-agent-runtime-snapshot runtime)))
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(define summary
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(cons (hash-ref snapshot 'state "stopped")
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(track-description
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((player-agent-runtime-current-track runtime)))))
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(unless (equal? summary previous)
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(printf "[playback] ~a — ~a~n" (car summary) (cdr summary))
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(flush-output))
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(sleep 1)
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(loop summary))))))
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(lambda ()
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(with-handlers ((exn:break? void))
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(sync never-evt)))
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(lambda ()
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(when (and monitor (not (thread-dead? monitor)))
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(kill-thread monitor))
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((player-agent-runtime-shutdown! runtime)))))
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(module+ main
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(define server-url #f)
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(define name #f)
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(define config-file #f)
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(command-line
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#:program "rkt-web-player-agent-cli"
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#:once-each
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(("--server") value
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"RKT Web Player base URL"
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(set! server-url value))
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(("--name") value
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"Name shown in the output selector"
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(set! name value))
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(("--config") value
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"Agent INI file (defaults to the same file as the GUI agent)"
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(set! config-file value)))
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(run-player-agent-cli #:server-url server-url
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#:name name
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#:config-file config-file))
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+16
-1
@@ -1,6 +1,7 @@
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#lang racket/base
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(provide run-player-agent)
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(provide run-player-agent
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run-player-agent-cli)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; goal : Start the graphical polling playback agent.
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@@ -12,5 +13,19 @@
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((dynamic-require "private/player-agent-gui.rkt"
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'run-player-agent-gui)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; goal : Start the headless polling playback agent.
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; pre : The configured server is reachable.
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; post : The agent remains active until interrupted.
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; result : Void after the agent has shut down.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (run-player-agent-cli #:server-url [server-url #f]
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#:name [name #f]
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#:config-file [config-file #f])
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((dynamic-require "player-agent-cli.rkt" 'run-player-agent-cli)
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#:server-url server-url
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#:name name
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#:config-file config-file))
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(module+ main
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(run-player-agent))
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@@ -0,0 +1,69 @@
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#lang racket/base
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(require file/sha1
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racket/os
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racket/path
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racket/random
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racket/string
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simple-ini)
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(provide (struct-out player-agent-config)
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load-player-agent-config
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save-player-agent-config!
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valid-app-id?)
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(struct player-agent-config (file ini app-id server-url name) #:transparent)
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(define (fresh-app-id)
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(bytes->hex-string (crypto-random-bytes 32)))
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(define (valid-app-id? value)
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(and (string? value)
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(regexp-match? #px"^[0-9a-fA-F]{64}$" value)))
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(define (load-player-agent-config [file (get-ini-file 'rkt-web-player-agent)])
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(define ini (file->ini file))
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(define configured-id (ini-get ini 'agent 'app-id #f))
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(define value
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(player-agent-config
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file
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ini
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(if (valid-app-id? configured-id)
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(string-downcase configured-id)
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(fresh-app-id))
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(ini-get ini 'server 'url "http://127.0.0.1:8080")
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(ini-get ini 'agent 'name
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(format "~a playback" (gethostname)))))
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(save-player-agent-config! value)
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value)
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(define (save-player-agent-config! value)
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(define ini (player-agent-config-ini value))
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(ini-set! ini 'agent 'app-id (player-agent-config-app-id value))
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(ini-set! ini 'agent 'name (player-agent-config-name value))
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(ini-set! ini 'server 'url (player-agent-config-server-url value))
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(ini->file ini (player-agent-config-file value) #:private? #t))
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(module+ test
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(require rackunit
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racket/file)
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(define test-directory (make-temporary-file "rkt-agent-config-~a" 'directory))
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(define test-file (build-path test-directory "agent.ini"))
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(dynamic-wind
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void
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(lambda ()
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(define first (load-player-agent-config test-file))
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(check-true (valid-app-id? (player-agent-config-app-id first)))
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(define changed
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(struct-copy player-agent-config first
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(server-url "https://music.example.test")
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(name "Test output")))
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(save-player-agent-config! changed)
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(define second (load-player-agent-config test-file))
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(check-equal? (player-agent-config-app-id second)
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(player-agent-config-app-id first))
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(check-equal? (player-agent-config-server-url second)
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"https://music.example.test")
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(check-equal? (player-agent-config-name second) "Test output"))
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(lambda () (delete-directory/files test-directory))))
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@@ -0,0 +1,429 @@
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#lang racket/base
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(require json
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net/url
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racket-audio
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racket/file
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racket/path
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racket/port
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racket/string
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simple-log)
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(provide (struct-out player-agent-runtime)
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make-player-agent-runtime)
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(sl-def-log player-agent)
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(struct exn:fail:agent-denied exn:fail () #:transparent)
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(struct player-agent-runtime
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(start! reconnect! shutdown! snapshot current-track running? app-id)
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#:transparent)
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(define (base-url value)
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(string->url
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(regexp-replace #px"/+$" (string-trim value) "")))
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(define (endpoint-url base path)
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(combine-url/relative (base-url base) path))
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(define (post-json base path data)
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(define input
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(post-pure-port
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(endpoint-url base path)
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(jsexpr->bytes data)
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(list "Content-Type: application/json"
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"Cache-Control: no-store")))
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(dynamic-wind
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void
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(lambda ()
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(define response (read-json input))
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(when (and (hash? response)
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(string? (hash-ref response 'error #f)))
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(if (equal? (hash-ref response 'code #f) "agent-not-authorized")
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(raise
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(exn:fail:agent-denied
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(hash-ref response 'error)
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(current-continuation-marks)))
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(error 'player-agent (hash-ref response 'error))))
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response)
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(lambda () (close-input-port input))))
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(define (normal-state state)
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(cond
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((memq state '(initialized no-media)) "stopped")
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((eq? state 'transitioning) "starting")
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(else (symbol->string state))))
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(define (safe-delete-file file)
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(when (and file (file-exists? file))
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(with-handlers ((exn:fail?
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(lambda (exception)
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(warn-player-agent
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"Could not remove temporary media file ~a: ~a"
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file
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(exn-message exception)))))
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(delete-file file))))
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(define (make-player-agent-runtime initial-server-url
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initial-name
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app-id
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#:status-callback
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[status-callback void]
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#:denied-callback
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[denied-callback void])
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(define server-url initial-server-url)
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(define assigned-name initial-name)
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(define state-lock (make-semaphore 1))
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(define worker #f)
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(define command-worker #f)
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(define executing-command-id 0)
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(define running #f)
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(define authorization-notified? #f)
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(define audio #f)
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(define current-media-key #f)
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(define cached-media (make-hash))
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(define prefetched-track #f)
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(define auto-started-key #f)
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(define pending-auto-music-id #f)
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(define music-tracks (make-hash))
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(define current-track-value #f)
|
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(define acknowledged-command 0)
|
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(define ended-counter 0)
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(define logical-volume 50)
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(define agent-state
|
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(hasheq 'state "stopped"
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'position 0
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'duration 'null
|
||||
'rate 'null
|
||||
'channels 'null
|
||||
'bits 'null
|
||||
'format ""
|
||||
'volume logical-volume
|
||||
'error 'null))
|
||||
|
||||
(define (with-agent-state proc)
|
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(call-with-semaphore state-lock proc))
|
||||
|
||||
(define (state-value value fallback)
|
||||
(if (eq? value #f) fallback value))
|
||||
|
||||
(define (snapshot)
|
||||
(with-agent-state (lambda () agent-state)))
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|
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(define (current-track)
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(with-agent-state (lambda () current-track-value)))
|
||||
|
||||
(define (set-agent-error! message)
|
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(with-agent-state
|
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(lambda ()
|
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(set! agent-state (hash-set agent-state 'error message)))))
|
||||
|
||||
(define (clear-agent-error!)
|
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(with-agent-state
|
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(lambda ()
|
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(set! agent-state (hash-set agent-state 'error 'null)))))
|
||||
|
||||
(define (update-from-audio! state full-state)
|
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(with-agent-state
|
||||
(lambda ()
|
||||
(define audible-music-id (hash-ref full-state 'at-music-id #f))
|
||||
(set! agent-state
|
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(hasheq
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'state (normal-state state)
|
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'position (state-value (hash-ref full-state 'at-second #f) 0)
|
||||
'duration (state-value (hash-ref full-state 'duration #f) 'null)
|
||||
'rate (state-value (hash-ref full-state 'rate #f) 'null)
|
||||
'channels (state-value (hash-ref full-state 'channels #f) 'null)
|
||||
'bits (state-value (hash-ref full-state 'bits #f) 'null)
|
||||
'format (let ((decoder (hash-ref full-state 'decoder #f)))
|
||||
(if decoder (format "~a" decoder) ""))
|
||||
'volume logical-volume
|
||||
'error 'null))
|
||||
(when (and pending-auto-music-id
|
||||
(number? audible-music-id)
|
||||
(= pending-auto-music-id audible-music-id))
|
||||
(define audible-track
|
||||
(hash-ref music-tracks audible-music-id #f))
|
||||
(when audible-track
|
||||
(set! current-track-value audible-track)
|
||||
(hash-clear! music-tracks)
|
||||
(hash-set! music-tracks audible-music-id audible-track))
|
||||
(set! pending-auto-music-id #f)
|
||||
(set! ended-counter (+ ended-counter 1))))))
|
||||
|
||||
(define (ensure-audio!)
|
||||
(unless audio
|
||||
(set! audio
|
||||
(make-audio-player
|
||||
(lambda (_handle state full-state)
|
||||
(update-from-audio! state full-state))
|
||||
(lambda (handle)
|
||||
(advance-at-decoder-eof! handle))))
|
||||
(audio-ao-buf-ms! audio 500)
|
||||
(audio-buf-seconds! audio 4 10)
|
||||
(define scaled (/ logical-volume 100.0))
|
||||
(audio-volume! audio (* 100.0 scaled scaled)))
|
||||
audio)
|
||||
|
||||
(define (download-media! token filename)
|
||||
(define extension
|
||||
(or (path-get-extension (string->path filename)) #""))
|
||||
(define target
|
||||
(make-temporary-file
|
||||
(string-append "rkt-player-agent-~a"
|
||||
(bytes->string/utf-8 extension))))
|
||||
(define path (format "/api/agent/media/~a/~a" app-id token))
|
||||
(define input (get-pure-port (endpoint-url server-url path)))
|
||||
(with-handlers ((exn:fail?
|
||||
(lambda (exception)
|
||||
(close-input-port input)
|
||||
(safe-delete-file target)
|
||||
(raise exception))))
|
||||
(call-with-output-file
|
||||
target
|
||||
(lambda (output) (copy-port input output))
|
||||
#:exists 'truncate/replace)
|
||||
(close-input-port input)
|
||||
target))
|
||||
|
||||
(define (command-cache-key data)
|
||||
(hash-ref data 'cacheKey (hash-ref data 'mediaToken)))
|
||||
|
||||
(define (ensure-media-cached! data)
|
||||
(define key (command-cache-key data))
|
||||
(define found (hash-ref cached-media key #f))
|
||||
(if (and found (file-exists? found))
|
||||
found
|
||||
(let ((downloaded
|
||||
(download-media!
|
||||
(hash-ref data 'mediaToken)
|
||||
(hash-ref data 'filename "track"))))
|
||||
(hash-set! cached-media key downloaded)
|
||||
downloaded)))
|
||||
|
||||
(define (discard-unused-media! keep-key)
|
||||
(for ((entry (in-list (hash->list cached-media))))
|
||||
(unless (equal? (car entry) keep-key)
|
||||
(safe-delete-file (cdr entry))
|
||||
(hash-remove! cached-media (car entry)))))
|
||||
|
||||
;; Decoder EOF occurs before audible EOF. Queueing the prefetched decoder at
|
||||
;; this point appends it behind racket-audio's remaining output buffer.
|
||||
(define (advance-at-decoder-eof! handle)
|
||||
(define prepared
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(define value prefetched-track)
|
||||
(set! prefetched-track #f)
|
||||
value)))
|
||||
(cond
|
||||
(prepared
|
||||
(define data (car prepared))
|
||||
(define path (cdr prepared))
|
||||
(define key (command-cache-key data))
|
||||
(with-handlers
|
||||
((exn:fail?
|
||||
(lambda (exception)
|
||||
(warn-player-agent "Could not start prefetched track: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! (exn-message exception))
|
||||
(with-agent-state
|
||||
(lambda () (set! ended-counter (+ ended-counter 1)))))))
|
||||
(define music-id (audio-play! handle path))
|
||||
(info-player-agent "Queued prefetched track ~a as music id ~a"
|
||||
(hash-ref data 'filename "track")
|
||||
music-id)
|
||||
(set! current-media-key key)
|
||||
(discard-unused-media! key)
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(hash-set! music-tracks music-id data)
|
||||
(set! auto-started-key key)
|
||||
(set! pending-auto-music-id music-id)))))
|
||||
(else
|
||||
(warn-player-agent
|
||||
"Decoder reached EOF before the next track was prefetched")
|
||||
(with-agent-state
|
||||
(lambda () (set! ended-counter (+ ended-counter 1)))))))
|
||||
|
||||
(define (execute-command! command)
|
||||
(define action (hash-ref command 'action ""))
|
||||
(define data (hash-ref command 'data (hasheq)))
|
||||
(info-player-agent "Executing command ~a" action)
|
||||
(cond
|
||||
((string=? action "play")
|
||||
(define next-key (command-cache-key data))
|
||||
(define already-started?
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(define matches?
|
||||
(and auto-started-key (equal? auto-started-key next-key)))
|
||||
(when matches? (set! auto-started-key #f))
|
||||
matches?)))
|
||||
(with-agent-state
|
||||
(lambda () (set! current-track-value data)))
|
||||
(unless already-started?
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(set! prefetched-track #f)
|
||||
(set! auto-started-key #f)
|
||||
(set! pending-auto-music-id #f)
|
||||
(set! agent-state
|
||||
(hash-set
|
||||
(hash-set agent-state 'state "starting")
|
||||
'error 'null))))
|
||||
(define next-media (ensure-media-cached! data))
|
||||
;; audio-play! interrupts and closes the previous decoder itself.
|
||||
(define music-id (audio-play! (ensure-audio!) next-media))
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(hash-clear! music-tracks)
|
||||
(hash-set! music-tracks music-id data)))
|
||||
(set! current-media-key next-key)
|
||||
(discard-unused-media! next-key)))
|
||||
((string=? action "prefetch")
|
||||
(define key (command-cache-key data))
|
||||
(define path (ensure-media-cached! data))
|
||||
(with-agent-state
|
||||
(lambda () (set! prefetched-track (cons data path))))
|
||||
(info-player-agent "Prefetched ~a" (hash-ref data 'filename "track"))
|
||||
(for ((entry (in-list (hash->list cached-media))))
|
||||
(unless (or (equal? (car entry) current-media-key)
|
||||
(equal? (car entry) key))
|
||||
(safe-delete-file (cdr entry))
|
||||
(hash-remove! cached-media (car entry)))))
|
||||
((string=? action "pause")
|
||||
(audio-pause! (ensure-audio!) #t))
|
||||
((string=? action "resume")
|
||||
(audio-pause! (ensure-audio!) #f))
|
||||
((string=? action "stop")
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(set! prefetched-track #f)
|
||||
(set! auto-started-key #f)
|
||||
(set! pending-auto-music-id #f)))
|
||||
(when audio (audio-stop! audio)))
|
||||
((string=? action "seek")
|
||||
(audio-seek! (ensure-audio!) (hash-ref data 'percentage 0)))
|
||||
((string=? action "volume")
|
||||
(set! logical-volume (min 100 (max 0 (hash-ref data 'value 50))))
|
||||
(define scaled (/ logical-volume 100.0))
|
||||
(audio-volume! (ensure-audio!) (* 100.0 scaled scaled))
|
||||
(with-agent-state
|
||||
(lambda ()
|
||||
(set! agent-state
|
||||
(hash-set agent-state 'volume logical-volume)))))
|
||||
(else
|
||||
(error 'player-agent "unknown command: ~a" action))))
|
||||
|
||||
(define (poll-loop)
|
||||
(with-handlers
|
||||
((exn:fail:agent-denied?
|
||||
(lambda (exception)
|
||||
(define message
|
||||
(string-append
|
||||
"Deze playback agent is niet toegelaten door de server. "
|
||||
"Voeg het volgende applicatie-ID toe aan [playback-agents] "
|
||||
"in de server-INI:\n\n"
|
||||
app-id))
|
||||
(warn-player-agent "Agent authorization refused: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! message)
|
||||
(status-callback
|
||||
"Niet geautoriseerd — applicatie-ID staat niet in de server-INI")
|
||||
(unless authorization-notified?
|
||||
(set! authorization-notified? #t)
|
||||
(denied-callback message))
|
||||
(when running
|
||||
(sleep 3)
|
||||
(poll-loop))))
|
||||
(exn:fail?
|
||||
(lambda (exception)
|
||||
(warn-player-agent "Connection cycle failed: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! (exn-message exception))
|
||||
(status-callback
|
||||
(format "Niet verbonden: ~a" (exn-message exception)))
|
||||
(when running
|
||||
(sleep 3)
|
||||
(poll-loop)))))
|
||||
(post-json server-url
|
||||
"/api/agent/register"
|
||||
(hasheq 'appId app-id 'name assigned-name))
|
||||
(clear-agent-error!)
|
||||
(status-callback "Verbonden")
|
||||
(info-player-agent "Registered at ~a as ~a" server-url assigned-name)
|
||||
(let loop ()
|
||||
(when running
|
||||
(define response
|
||||
(post-json
|
||||
server-url
|
||||
"/api/agent/poll"
|
||||
(hasheq 'appId app-id
|
||||
'name assigned-name
|
||||
'ack acknowledged-command
|
||||
'endedCounter ended-counter
|
||||
'state (snapshot))))
|
||||
(define command (hash-ref response 'command 'null))
|
||||
(when (and (hash? command)
|
||||
(> (hash-ref command 'id 0) acknowledged-command)
|
||||
(not (= (hash-ref command 'id 0) executing-command-id)))
|
||||
(set! executing-command-id (hash-ref command 'id))
|
||||
(set! command-worker
|
||||
(thread
|
||||
(lambda ()
|
||||
(with-handlers
|
||||
((exn:fail?
|
||||
(lambda (exception)
|
||||
(warn-player-agent "Command failed: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! (exn-message exception)))))
|
||||
(clear-agent-error!)
|
||||
(execute-command! command))
|
||||
(set! acknowledged-command (hash-ref command 'id))
|
||||
(set! executing-command-id 0)
|
||||
(set! command-worker #f)))))
|
||||
(sleep 1)
|
||||
(loop)))))
|
||||
|
||||
(define (start!)
|
||||
(unless running
|
||||
(set! running #t)
|
||||
(status-callback "Verbinden…")
|
||||
(set! worker (thread poll-loop))))
|
||||
|
||||
(define (stop!)
|
||||
(set! running #f)
|
||||
(when (and worker (not (thread-dead? worker)))
|
||||
(kill-thread worker))
|
||||
(when (and command-worker (not (thread-dead? command-worker)))
|
||||
(kill-thread command-worker))
|
||||
(set! worker #f)
|
||||
(set! command-worker #f)
|
||||
(set! executing-command-id 0))
|
||||
|
||||
(define (reconnect! new-server-url new-name)
|
||||
(stop!)
|
||||
(set! authorization-notified? #f)
|
||||
(set! server-url (string-trim new-server-url))
|
||||
(set! assigned-name (string-trim new-name))
|
||||
(start!))
|
||||
|
||||
(define (shutdown!)
|
||||
(stop!)
|
||||
(when audio
|
||||
(with-handlers ((exn:fail? void))
|
||||
(audio-quit! audio))
|
||||
(set! audio #f))
|
||||
(for ((path (in-hash-values cached-media)))
|
||||
(safe-delete-file path))
|
||||
(hash-clear! cached-media))
|
||||
|
||||
(player-agent-runtime start!
|
||||
reconnect!
|
||||
shutdown!
|
||||
snapshot
|
||||
current-track
|
||||
(lambda () running)
|
||||
app-id))
|
||||
+127
-578
@@ -1,423 +1,52 @@
|
||||
#lang racket/base
|
||||
|
||||
(require file/sha1
|
||||
json
|
||||
net/url
|
||||
racket-audio
|
||||
racket/class
|
||||
racket/file
|
||||
(require racket/class
|
||||
racket/format
|
||||
racket/gui/base
|
||||
racket/os
|
||||
racket/path
|
||||
racket/port
|
||||
racket/random
|
||||
racket/string
|
||||
simple-ini
|
||||
simple-log)
|
||||
simple-log
|
||||
"player-agent-config.rkt"
|
||||
"player-agent-core.rkt"
|
||||
"player-agent-tray.rkt")
|
||||
|
||||
(provide run-player-agent-gui)
|
||||
|
||||
(struct exn:fail:agent-denied exn:fail ()
|
||||
#:transparent)
|
||||
|
||||
|
||||
(define (input-field label init-val panel)
|
||||
(let ((tf (new text-field%
|
||||
[parent panel]
|
||||
[label label]
|
||||
[init-value init-val]))
|
||||
)
|
||||
(let ((editor (send tf get-editor)))
|
||||
(send editor set-padding 0 2 0 2))
|
||||
|
||||
tf))
|
||||
|
||||
|
||||
(sl-def-log player-agent)
|
||||
|
||||
(define config-file
|
||||
(get-ini-file 'rkt-web-player-agent))
|
||||
(sl-def-log player-agent-gui)
|
||||
|
||||
(define log-file
|
||||
(build-path (find-system-path 'pref-dir)
|
||||
"rkt-web-player-agent.log"))
|
||||
|
||||
(define (fresh-app-id)
|
||||
(bytes->hex-string (crypto-random-bytes 32)))
|
||||
(define (input-field label init-value panel)
|
||||
(define field
|
||||
(new text-field%
|
||||
(parent panel)
|
||||
(label label)
|
||||
(init-value init-value)))
|
||||
(send (send field get-editor) set-padding 0 2 0 2)
|
||||
field)
|
||||
|
||||
(define (valid-app-id? value)
|
||||
(and (string? value)
|
||||
(regexp-match? #px"^[0-9a-fA-F]{64}$" value)))
|
||||
|
||||
(define config
|
||||
(file->ini config-file))
|
||||
|
||||
(define app-id
|
||||
(let ((configured (ini-get config 'agent 'app-id #f)))
|
||||
(if (valid-app-id? configured)
|
||||
(string-downcase configured)
|
||||
(fresh-app-id))))
|
||||
|
||||
(define server-url
|
||||
(ini-get config 'server 'url "http://127.0.0.1:8080"))
|
||||
|
||||
(define assigned-name
|
||||
(ini-get config 'agent 'name
|
||||
(format "~a playback" (gethostname))))
|
||||
|
||||
(define (save-config!)
|
||||
(ini-set! config 'agent 'app-id app-id)
|
||||
(ini-set! config 'agent 'name assigned-name)
|
||||
(ini-set! config 'server 'url server-url)
|
||||
(ini->file config config-file #:private? #t))
|
||||
|
||||
(save-config!)
|
||||
|
||||
(define (base-url value)
|
||||
(string->url
|
||||
(regexp-replace #px"/+$" (string-trim value) "")))
|
||||
|
||||
(define (endpoint-url base path)
|
||||
(combine-url/relative (base-url base) path))
|
||||
|
||||
(define (post-json base path data)
|
||||
(let ((input
|
||||
(post-pure-port
|
||||
(endpoint-url base path)
|
||||
(jsexpr->bytes data)
|
||||
(list "Content-Type: application/json"
|
||||
"Cache-Control: no-store"))))
|
||||
(dynamic-wind
|
||||
void
|
||||
(λ ()
|
||||
(let ((response (read-json input)))
|
||||
(when (and (hash? response)
|
||||
(string? (hash-ref response 'error #f)))
|
||||
(if (equal? (hash-ref response 'code #f)
|
||||
"agent-not-authorized")
|
||||
(raise
|
||||
(exn:fail:agent-denied
|
||||
(hash-ref response 'error)
|
||||
(current-continuation-marks)))
|
||||
(error 'player-agent
|
||||
(hash-ref response 'error))))
|
||||
response))
|
||||
(λ ()
|
||||
(close-input-port input)))))
|
||||
|
||||
(define (normal-state state)
|
||||
(cond
|
||||
((eq? state 'transitioning) "starting")
|
||||
((eq? state 'initialized) "stopped")
|
||||
((eq? state 'no-media) "stopped")
|
||||
(else (symbol->string state))))
|
||||
|
||||
(define (safe-delete-file file)
|
||||
(when (and file (file-exists? file))
|
||||
(with-handlers ((exn:fail?
|
||||
(λ (exception)
|
||||
(warn-player-agent
|
||||
"Could not remove temporary media file ~a: ~a"
|
||||
file
|
||||
(exn-message exception)))))
|
||||
(delete-file file))))
|
||||
(define (format-time value)
|
||||
(define seconds
|
||||
(if (and (number? value) (>= value 0))
|
||||
(inexact->exact (floor value))
|
||||
0))
|
||||
(define hours (quotient seconds 3600))
|
||||
(define minutes (quotient (remainder seconds 3600) 60))
|
||||
(define remaining (remainder seconds 60))
|
||||
(format "~a:~a:~a"
|
||||
(~r hours #:min-width 2 #:pad-string "0")
|
||||
(~r minutes #:min-width 2 #:pad-string "0")
|
||||
(~r remaining #:min-width 2 #:pad-string "0")))
|
||||
|
||||
(define (run-player-agent-gui)
|
||||
(sl-log-to-file log-file)
|
||||
|
||||
(define state-lock (make-semaphore 1))
|
||||
(define worker #f)
|
||||
(define command-worker #f)
|
||||
(define executing-command-id 0)
|
||||
(define running? #f)
|
||||
(define authorization-notified? #f)
|
||||
(define audio #f)
|
||||
(define temporary-media #f)
|
||||
(define current-media-key #f)
|
||||
(define cached-media (make-hash))
|
||||
(define prefetched-track #f)
|
||||
(define auto-started-key #f)
|
||||
(define pending-auto-music-id #f)
|
||||
(define music-tracks (make-hash))
|
||||
(define current-track #f)
|
||||
(define acknowledged-command 0)
|
||||
(define ended-counter 0)
|
||||
(define logical-volume 50)
|
||||
(define agent-state
|
||||
(hasheq 'state "stopped"
|
||||
'position 0
|
||||
'duration 'null
|
||||
'rate 'null
|
||||
'channels 'null
|
||||
'bits 'null
|
||||
'format ""
|
||||
'volume logical-volume
|
||||
'error 'null))
|
||||
|
||||
(define (format-time value)
|
||||
(let* ((seconds
|
||||
(if (and (number? value) (>= value 0))
|
||||
(inexact->exact (floor value))
|
||||
0))
|
||||
(hours (quotient seconds 3600))
|
||||
(minutes (quotient (remainder seconds 3600) 60))
|
||||
(remaining (remainder seconds 60)))
|
||||
(format "~a:~a:~a"
|
||||
(~r hours #:min-width 2 #:pad-string "0")
|
||||
(~r minutes #:min-width 2 #:pad-string "0")
|
||||
(~r remaining #:min-width 2 #:pad-string "0"))))
|
||||
|
||||
(define (with-agent-state proc)
|
||||
(call-with-semaphore state-lock proc))
|
||||
|
||||
(define (state-value value fallback)
|
||||
(if (eq? value #f) fallback value))
|
||||
|
||||
(define (update-from-audio! state full-state)
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(define audible-music-id
|
||||
(hash-ref full-state 'at-music-id #f))
|
||||
(set! agent-state
|
||||
(hasheq
|
||||
'state (normal-state state)
|
||||
'position
|
||||
(state-value (hash-ref full-state 'at-second #f) 0)
|
||||
'duration
|
||||
(state-value (hash-ref full-state 'duration #f) 'null)
|
||||
'rate
|
||||
(state-value (hash-ref full-state 'rate #f) 'null)
|
||||
'channels
|
||||
(state-value (hash-ref full-state 'channels #f) 'null)
|
||||
'bits
|
||||
(state-value (hash-ref full-state 'bits #f) 'null)
|
||||
'format
|
||||
(let ((decoder (hash-ref full-state 'decoder #f)))
|
||||
(if decoder (format "~a" decoder) ""))
|
||||
'volume logical-volume
|
||||
'error 'null))
|
||||
(when (and pending-auto-music-id
|
||||
(number? audible-music-id)
|
||||
(= pending-auto-music-id audible-music-id))
|
||||
(let ((audible-track
|
||||
(hash-ref music-tracks audible-music-id #f)))
|
||||
(when audible-track
|
||||
(set! current-track audible-track)
|
||||
(hash-clear! music-tracks)
|
||||
(hash-set! music-tracks audible-music-id audible-track)))
|
||||
(set! pending-auto-music-id #f)
|
||||
(set! ended-counter (+ ended-counter 1))))))
|
||||
|
||||
(define (set-agent-error! message)
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! agent-state
|
||||
(hash-set agent-state 'error message)))))
|
||||
|
||||
(define (clear-agent-error!)
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! agent-state
|
||||
(hash-set agent-state 'error 'null)))))
|
||||
|
||||
(define (state-snapshot)
|
||||
(with-agent-state
|
||||
(λ () agent-state)))
|
||||
|
||||
(define (ensure-audio!)
|
||||
(unless audio
|
||||
(set! audio
|
||||
(make-audio-player
|
||||
(λ (_handle state full-state)
|
||||
(update-from-audio! state full-state))
|
||||
(λ (handle)
|
||||
(advance-at-decoder-eof! handle))))
|
||||
(audio-ao-buf-ms! audio 500)
|
||||
(audio-buf-seconds! audio 4 10)
|
||||
(let ((scaled (/ logical-volume 100.0)))
|
||||
(audio-volume! audio (* 100.0 scaled scaled))))
|
||||
audio)
|
||||
|
||||
(define (download-media! token filename)
|
||||
(let* ((extension
|
||||
(or (path-get-extension (string->path filename)) #""))
|
||||
(template
|
||||
(string-append "rkt-player-agent-~a"
|
||||
(bytes->string/utf-8 extension)))
|
||||
(target (make-temporary-file template))
|
||||
(path
|
||||
(format "/api/agent/media/~a/~a" app-id token))
|
||||
(input (get-pure-port (endpoint-url server-url path))))
|
||||
(with-handlers
|
||||
((exn:fail?
|
||||
(λ (exception)
|
||||
(close-input-port input)
|
||||
(safe-delete-file target)
|
||||
(raise exception))))
|
||||
(call-with-output-file
|
||||
target
|
||||
(λ (output)
|
||||
(copy-port input output))
|
||||
#:exists 'truncate/replace)
|
||||
(close-input-port input)
|
||||
target)))
|
||||
|
||||
(define (command-cache-key data)
|
||||
(hash-ref data 'cacheKey (hash-ref data 'mediaToken)))
|
||||
|
||||
(define (ensure-media-cached! data)
|
||||
(let* ((key (command-cache-key data))
|
||||
(found (hash-ref cached-media key #f)))
|
||||
(if (and found (file-exists? found))
|
||||
found
|
||||
(let ((downloaded
|
||||
(download-media!
|
||||
(hash-ref data 'mediaToken)
|
||||
(hash-ref data 'filename "track"))))
|
||||
(hash-set! cached-media key downloaded)
|
||||
downloaded))))
|
||||
|
||||
(define (discard-unused-media! keep-key)
|
||||
(for ((entry (in-list (hash->list cached-media))))
|
||||
(unless (equal? (car entry) keep-key)
|
||||
(safe-delete-file (cdr entry))
|
||||
(hash-remove! cached-media (car entry)))))
|
||||
|
||||
;; Decoder EOF is intentionally earlier than audible EOF: racket-audio may
|
||||
;; still have several seconds buffered in libao. Starting the prepared file
|
||||
;; here appends it to that same output queue, which is the gapless transition
|
||||
;; used by rktplayer as well.
|
||||
(define (advance-at-decoder-eof! handle)
|
||||
(define prepared
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(let ((value prefetched-track))
|
||||
(set! prefetched-track #f)
|
||||
value))))
|
||||
(cond
|
||||
(prepared
|
||||
(let* ((data (car prepared))
|
||||
(path (cdr prepared))
|
||||
(key (command-cache-key data)))
|
||||
(with-handlers
|
||||
((exn:fail?
|
||||
(λ (exception)
|
||||
(warn-player-agent
|
||||
"Could not start prefetched track: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! (exn-message exception))
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! ended-counter (+ ended-counter 1)))))))
|
||||
(define music-id (audio-play! handle path))
|
||||
(info-player-agent
|
||||
"Queued prefetched track ~a as music id ~a"
|
||||
(hash-ref data 'filename "track")
|
||||
music-id)
|
||||
(set! current-media-key key)
|
||||
(set! temporary-media path)
|
||||
(discard-unused-media! key)
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(hash-set! music-tracks music-id data)
|
||||
(set! auto-started-key key)
|
||||
;; Inform the server only when libao reports this id as audible,
|
||||
;; not while the preceding track is still draining.
|
||||
(set! pending-auto-music-id music-id))))))
|
||||
(else
|
||||
;; The server-driven fallback remains available when prefetching did
|
||||
;; not complete before EOF.
|
||||
(warn-player-agent
|
||||
"Decoder reached EOF before the next track was prefetched")
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! ended-counter (+ ended-counter 1)))))))
|
||||
|
||||
(define (execute-command! command)
|
||||
(let* ((action (hash-ref command 'action ""))
|
||||
(data (hash-ref command 'data (hasheq))))
|
||||
(info-player-agent "Executing command ~a" action)
|
||||
(cond
|
||||
((string=? action "play")
|
||||
(let* ((next-key (command-cache-key data))
|
||||
(already-started?
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(let ((matches?
|
||||
(and auto-started-key
|
||||
(equal? auto-started-key next-key))))
|
||||
(when matches? (set! auto-started-key #f))
|
||||
matches?)))))
|
||||
(set! current-track data)
|
||||
(unless already-started?
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! prefetched-track #f)
|
||||
(set! auto-started-key #f)
|
||||
(set! pending-auto-music-id #f)
|
||||
(set! agent-state
|
||||
(hash-set
|
||||
(hash-set agent-state 'state "starting")
|
||||
'error
|
||||
'null))))
|
||||
(let ((next-media (ensure-media-cached! data)))
|
||||
;; audio-play! already interrupts and closes the previous
|
||||
;; decoder; an extra audio-stop! can double-delete FLAC.
|
||||
(define music-id
|
||||
(audio-play! (ensure-audio!) next-media))
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(hash-clear! music-tracks)
|
||||
(hash-set! music-tracks music-id data)))
|
||||
(set! current-media-key next-key)
|
||||
(set! temporary-media next-media)
|
||||
(discard-unused-media! next-key)))))
|
||||
((string=? action "prefetch")
|
||||
(let ((key (command-cache-key data)))
|
||||
(let ((path (ensure-media-cached! data)))
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! prefetched-track (cons data path))))
|
||||
(info-player-agent
|
||||
"Prefetched ~a"
|
||||
(hash-ref data 'filename "track")))
|
||||
;; Retain the playing file and the one prepared for playback.
|
||||
(for ((entry (in-list (hash->list cached-media))))
|
||||
(unless (or (equal? (car entry) current-media-key)
|
||||
(equal? (car entry) key))
|
||||
(safe-delete-file (cdr entry))
|
||||
(hash-remove! cached-media (car entry))))))
|
||||
((string=? action "pause")
|
||||
(audio-pause! (ensure-audio!) #t))
|
||||
((string=? action "resume")
|
||||
(audio-pause! (ensure-audio!) #f))
|
||||
((string=? action "stop")
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! prefetched-track #f)
|
||||
(set! auto-started-key #f)
|
||||
(set! pending-auto-music-id #f)))
|
||||
(when audio (audio-stop! audio)))
|
||||
((string=? action "seek")
|
||||
(audio-seek! (ensure-audio!)
|
||||
(hash-ref data 'percentage 0)))
|
||||
((string=? action "volume")
|
||||
(set! logical-volume
|
||||
(min 100 (max 0 (hash-ref data 'value 50))))
|
||||
(let ((scaled (/ logical-volume 100.0)))
|
||||
(audio-volume! (ensure-audio!)
|
||||
(* 100.0 scaled scaled)))
|
||||
(with-agent-state
|
||||
(λ ()
|
||||
(set! agent-state
|
||||
(hash-set agent-state
|
||||
'volume
|
||||
logical-volume)))))
|
||||
(else
|
||||
(error 'player-agent "unknown command: ~a" action)))))
|
||||
|
||||
(define config (load-player-agent-config))
|
||||
(define frame #f)
|
||||
(define runtime #f)
|
||||
(define status-message #f)
|
||||
(define playback-message #f)
|
||||
(define playback-details #f)
|
||||
@@ -425,84 +54,84 @@
|
||||
(define name-field #f)
|
||||
(define server-field #f)
|
||||
(define connect-button #f)
|
||||
(define shutting-down? #f)
|
||||
(define playback-timer #f)
|
||||
(define tray-timer #f)
|
||||
(define tray #f)
|
||||
(define shutting-down? #f)
|
||||
|
||||
(define (show-status! message)
|
||||
(queue-callback
|
||||
(λ ()
|
||||
(lambda ()
|
||||
(when status-message
|
||||
(send status-message set-label message)))
|
||||
#f))
|
||||
|
||||
(define (show-name! name)
|
||||
(define (show-denial! message)
|
||||
(queue-callback
|
||||
(λ ()
|
||||
(when name-field
|
||||
(send name-field set-value name)))
|
||||
(lambda ()
|
||||
(message-box "Playback agent niet toegestaan"
|
||||
message
|
||||
frame
|
||||
'(ok stop)))
|
||||
#f))
|
||||
|
||||
(set! runtime
|
||||
(make-player-agent-runtime
|
||||
(player-agent-config-server-url config)
|
||||
(player-agent-config-name config)
|
||||
(player-agent-config-app-id config)
|
||||
#:status-callback show-status!
|
||||
#:denied-callback show-denial!))
|
||||
|
||||
(define (refresh-playback-status!)
|
||||
(when (and playback-message playback-details playback-filename)
|
||||
(let* ((snapshot (state-snapshot))
|
||||
(state (hash-ref snapshot 'state "stopped"))
|
||||
(title
|
||||
(and current-track
|
||||
(hash-ref current-track 'title #f)))
|
||||
(artist
|
||||
(and current-track
|
||||
(hash-ref current-track 'artist #f)))
|
||||
(filename
|
||||
(and current-track
|
||||
(hash-ref current-track 'filename #f)))
|
||||
(track-number
|
||||
(and current-track
|
||||
(hash-ref current-track 'trackNumber #f)))
|
||||
(track-label
|
||||
(define snapshot ((player-agent-runtime-snapshot runtime)))
|
||||
(define track ((player-agent-runtime-current-track runtime)))
|
||||
(define state (hash-ref snapshot 'state "stopped"))
|
||||
(define title (and track (hash-ref track 'title #f)))
|
||||
(define artist (and track (hash-ref track 'artist #f)))
|
||||
(define filename (and track (hash-ref track 'filename #f)))
|
||||
(define track-number (and track (hash-ref track 'trackNumber #f)))
|
||||
(define track-label
|
||||
(cond
|
||||
((and artist (not (string=? artist "")) title)
|
||||
(format "~a — ~a" artist title))
|
||||
(title title)
|
||||
(else "Geen track geselecteerd")))
|
||||
(prefix
|
||||
(define prefix
|
||||
(cond
|
||||
((string=? state "playing") "Speelt")
|
||||
((string=? state "paused") "Gepauzeerd")
|
||||
((string=? state "starting") "Laden")
|
||||
((string=? state "stopped") "Gestopt")
|
||||
(else state)))
|
||||
(position (hash-ref snapshot 'position 0))
|
||||
(duration (hash-ref snapshot 'duration 'null))
|
||||
(format-name (hash-ref snapshot 'format ""))
|
||||
(rate (hash-ref snapshot 'rate 'null))
|
||||
(bits (hash-ref snapshot 'bits 'null))
|
||||
(channels (hash-ref snapshot 'channels 'null))
|
||||
(details
|
||||
(define position (hash-ref snapshot 'position 0))
|
||||
(define duration (hash-ref snapshot 'duration 'null))
|
||||
(define format-name (hash-ref snapshot 'format ""))
|
||||
(define rate (hash-ref snapshot 'rate 'null))
|
||||
(define bits (hash-ref snapshot 'bits 'null))
|
||||
(define channels (hash-ref snapshot 'channels 'null))
|
||||
(define details
|
||||
(filter
|
||||
(λ (value) (not (string=? value "")))
|
||||
(lambda (value) (not (string=? value "")))
|
||||
(list
|
||||
(format "~a / ~a"
|
||||
(format-time position)
|
||||
(if (number? duration)
|
||||
(format-time duration)
|
||||
"--:--:--"))
|
||||
(if (number? duration) (format-time duration) "--:--:--"))
|
||||
(if (number? bits) (format "~a bit" bits) "")
|
||||
(if (number? rate)
|
||||
(format "~a kHz" (~r (/ rate 1000.0)
|
||||
#:precision '(= 1)))
|
||||
(format "~a kHz" (~r (/ rate 1000.0) #:precision '(= 1)))
|
||||
"")
|
||||
(if (number? channels)
|
||||
(format "~a ~a"
|
||||
channels
|
||||
(format "~a ~a" channels
|
||||
(if (= channels 1) "kanaal" "kanalen"))
|
||||
"")
|
||||
(if (and (string? format-name)
|
||||
(not (string=? format-name "")))
|
||||
(if (and (string? format-name) (not (string=? format-name "")))
|
||||
format-name
|
||||
"")))))
|
||||
""))))
|
||||
(send playback-message
|
||||
set-label
|
||||
(if current-track
|
||||
(if track
|
||||
(format "~a~a: ~a"
|
||||
prefix
|
||||
(if (number? track-number)
|
||||
@@ -515,143 +144,50 @@
|
||||
set-label
|
||||
(if (and (string? filename) (not (string=? filename "")))
|
||||
filename
|
||||
"—")))))
|
||||
|
||||
(define (poll-loop)
|
||||
(with-handlers
|
||||
((exn:fail:agent-denied?
|
||||
(λ (exception)
|
||||
(define message
|
||||
(string-append
|
||||
"Deze playback agent is niet toegelaten door de server. "
|
||||
"Voeg het volgende applicatie-ID toe aan [playback-agents] "
|
||||
"in de server-INI:\n\n"
|
||||
app-id))
|
||||
(warn-player-agent "Agent authorization refused: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! message)
|
||||
(show-status! "Niet geautoriseerd — applicatie-ID staat niet in de server-INI")
|
||||
(unless authorization-notified?
|
||||
(set! authorization-notified? #t)
|
||||
(queue-callback
|
||||
(λ ()
|
||||
(message-box "Playback agent niet toegestaan"
|
||||
message
|
||||
frame
|
||||
'(ok stop)))))
|
||||
(when running?
|
||||
(sleep 3)
|
||||
(poll-loop))))
|
||||
(exn:fail?
|
||||
(λ (exception)
|
||||
(warn-player-agent "Connection cycle failed: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error! (exn-message exception))
|
||||
(show-status! (format "Niet verbonden: ~a"
|
||||
(exn-message exception)))
|
||||
(when running?
|
||||
(sleep 3)
|
||||
(poll-loop)))))
|
||||
(let ((registration
|
||||
(post-json
|
||||
server-url
|
||||
"/api/agent/register"
|
||||
(hasheq 'appId app-id
|
||||
'name assigned-name))))
|
||||
(show-name! assigned-name)
|
||||
(clear-agent-error!)
|
||||
(show-status! "Verbonden")
|
||||
(info-player-agent "Registered at ~a as ~a"
|
||||
server-url assigned-name)
|
||||
(let loop ()
|
||||
(when running?
|
||||
(let* ((response
|
||||
(post-json
|
||||
server-url
|
||||
"/api/agent/poll"
|
||||
(hasheq 'appId app-id
|
||||
'name assigned-name
|
||||
'ack acknowledged-command
|
||||
'endedCounter ended-counter
|
||||
'state (state-snapshot))))
|
||||
(command
|
||||
(hash-ref response 'command 'null)))
|
||||
(when (and (hash? command)
|
||||
(> (hash-ref command 'id 0)
|
||||
acknowledged-command)
|
||||
(not (= (hash-ref command 'id 0)
|
||||
executing-command-id)))
|
||||
(set! executing-command-id
|
||||
(hash-ref command 'id))
|
||||
(set!
|
||||
command-worker
|
||||
(thread
|
||||
(λ ()
|
||||
(with-handlers
|
||||
((exn:fail?
|
||||
(λ (exception)
|
||||
(warn-player-agent "Command failed: ~a"
|
||||
(exn-message exception))
|
||||
(set-agent-error!
|
||||
(exn-message exception)))))
|
||||
(clear-agent-error!)
|
||||
(execute-command! command))
|
||||
(set! acknowledged-command
|
||||
(hash-ref command 'id))
|
||||
(set! executing-command-id 0)
|
||||
(set! command-worker #f)))))
|
||||
(sleep 1)
|
||||
(loop)))))))
|
||||
|
||||
(define (start-worker!)
|
||||
(set! running? #t)
|
||||
(set! worker (thread poll-loop))
|
||||
(send connect-button set-label "Opnieuw verbinden"))
|
||||
|
||||
(define (stop-worker!)
|
||||
(set! running? #f)
|
||||
(when (and worker (not (thread-dead? worker)))
|
||||
(kill-thread worker))
|
||||
(when (and command-worker
|
||||
(not (thread-dead? command-worker)))
|
||||
(kill-thread command-worker))
|
||||
(set! worker #f)
|
||||
(set! command-worker #f)
|
||||
(set! executing-command-id 0))
|
||||
"—"))))
|
||||
|
||||
(define (reconnect!)
|
||||
(stop-worker!)
|
||||
(set! authorization-notified? #f)
|
||||
(set! server-url (string-trim (send server-field get-value)))
|
||||
(let ((new-name (string-trim (send name-field get-value))))
|
||||
(set! assigned-name
|
||||
(if (string=? new-name "")
|
||||
(define next-server (string-trim (send server-field get-value)))
|
||||
(define entered-name (string-trim (send name-field get-value)))
|
||||
(define next-name
|
||||
(if (string=? entered-name "")
|
||||
(format "~a playback" (gethostname))
|
||||
new-name)))
|
||||
(save-config!)
|
||||
(show-status! "Verbinden…")
|
||||
(start-worker!))
|
||||
entered-name))
|
||||
(set! config
|
||||
(struct-copy player-agent-config config
|
||||
(server-url next-server)
|
||||
(name next-name)))
|
||||
(save-player-agent-config! config)
|
||||
(send name-field set-value next-name)
|
||||
((player-agent-runtime-reconnect! runtime) next-server next-name)
|
||||
(send connect-button set-label "Opnieuw verbinden"))
|
||||
|
||||
(define (shutdown!)
|
||||
(unless shutting-down?
|
||||
(set! shutting-down? #t)
|
||||
(stop-worker!)
|
||||
(when playback-timer
|
||||
(send playback-timer stop))
|
||||
(when audio
|
||||
(with-handlers ((exn:fail? void))
|
||||
(audio-quit! audio))
|
||||
(set! audio #f))
|
||||
(for ((path (in-hash-values cached-media)))
|
||||
(safe-delete-file path))
|
||||
(hash-clear! cached-media)))
|
||||
(when playback-timer (send playback-timer stop))
|
||||
(when tray-timer (send tray-timer stop))
|
||||
((player-agent-runtime-shutdown! runtime))
|
||||
(when tray
|
||||
((tray-controller-destroy! tray))
|
||||
(set! tray #f))))
|
||||
|
||||
(define (quit!)
|
||||
(queue-callback
|
||||
(lambda ()
|
||||
(shutdown!)
|
||||
(when frame (send frame show #f)))
|
||||
#f))
|
||||
|
||||
(define agent-frame%
|
||||
(class frame%
|
||||
(super-new)
|
||||
(define/augment (on-close)
|
||||
(if tray
|
||||
(send this show #f)
|
||||
(begin
|
||||
(shutdown!)
|
||||
(inner (void) on-close))))
|
||||
(inner (void) on-close))))))
|
||||
|
||||
(set! frame
|
||||
(new agent-frame%
|
||||
@@ -661,17 +197,17 @@
|
||||
(define panel
|
||||
(new vertical-panel%
|
||||
(parent frame)
|
||||
(alignment '(left top))
|
||||
;(border 12)
|
||||
;(spacing 8)
|
||||
))
|
||||
(set! server-field (input-field "RKT Web Player server" server-url panel))
|
||||
(set! name-field (input-field "Naam" assigned-name panel))
|
||||
(define id-field (input-field "Applicatie-ID" app-id panel))
|
||||
|
||||
;; Lock just the editor instead of disabling the complete widget. Windows
|
||||
;; renders disabled native controls in grey, which made the label and ID look
|
||||
;; as though their glyphs were damaged.
|
||||
(alignment '(left top))))
|
||||
(set! server-field
|
||||
(input-field "RKT Web Player server"
|
||||
(player-agent-config-server-url config)
|
||||
panel))
|
||||
(set! name-field
|
||||
(input-field "Naam" (player-agent-config-name config) panel))
|
||||
(define id-field
|
||||
(input-field "Applicatie-ID" (player-agent-config-app-id config) panel))
|
||||
;; Lock the editor, not the native widget. Disabled Windows controls render
|
||||
;; their label and text poorly on some display configurations.
|
||||
(send (send id-field get-editor) lock #t)
|
||||
|
||||
(define playback-panel
|
||||
@@ -704,8 +240,7 @@
|
||||
(new button%
|
||||
(parent controls)
|
||||
(label "Opslaan en verbinden")
|
||||
(callback (λ (_button _event)
|
||||
(reconnect!)))))
|
||||
(callback (lambda (_button _event) (reconnect!)))))
|
||||
(set! status-message
|
||||
(new message%
|
||||
(parent controls)
|
||||
@@ -718,6 +253,20 @@
|
||||
(interval 500)))
|
||||
(refresh-playback-status!)
|
||||
|
||||
;; If SDL3 and its native runtime are present, closing the frame hides it in
|
||||
;; the tray. Otherwise the original close-and-exit behaviour remains.
|
||||
(set! tray
|
||||
(try-make-tray-controller
|
||||
(lambda ()
|
||||
(queue-callback (lambda () (send frame show #t)) #f))
|
||||
quit!))
|
||||
(when tray
|
||||
(set! tray-timer
|
||||
(new timer%
|
||||
(notify-callback (tray-controller-update! tray))
|
||||
(interval 100))))
|
||||
|
||||
(send frame show #t)
|
||||
(start-worker!)
|
||||
((player-agent-runtime-start! runtime))
|
||||
(send connect-button set-label "Opnieuw verbinden")
|
||||
frame)
|
||||
|
||||
@@ -0,0 +1,34 @@
|
||||
#lang racket/base
|
||||
|
||||
;; SDL3 is deliberately loaded dynamically. The GUI agent keeps working
|
||||
;; without the optional Racket package and native SDL3 runtime.
|
||||
|
||||
(provide (struct-out tray-controller)
|
||||
try-make-tray-controller)
|
||||
|
||||
(struct tray-controller (update! destroy!) #:transparent)
|
||||
|
||||
(define (try-make-tray-controller show-window! quit!)
|
||||
(with-handlers ((exn:fail? (lambda (_) #f)))
|
||||
(define sdl-init! (dynamic-require 'sdl3 'sdl-init!))
|
||||
(define sdl-quit! (dynamic-require 'sdl3 'sdl-quit!))
|
||||
(define make-tray (dynamic-require 'sdl3 'make-tray))
|
||||
(define make-tray-menu (dynamic-require 'sdl3 'make-tray-menu))
|
||||
(define insert-tray-entry! (dynamic-require 'sdl3 'insert-tray-entry!))
|
||||
(define set-tray-entry-callback!
|
||||
(dynamic-require 'sdl3 'set-tray-entry-callback!))
|
||||
(define update-trays! (dynamic-require 'sdl3 'update-trays!))
|
||||
(define tray-destroy! (dynamic-require 'sdl3 'tray-destroy!))
|
||||
(sdl-init! '(video events))
|
||||
(define tray (make-tray #f "RKT Web Player Agent"))
|
||||
(define menu (make-tray-menu tray))
|
||||
(define show-entry (insert-tray-entry! menu "RKT Web Player Agent openen"))
|
||||
(insert-tray-entry! menu #f)
|
||||
(define quit-entry (insert-tray-entry! menu "Afsluiten"))
|
||||
(set-tray-entry-callback! show-entry (lambda (_) (show-window!)))
|
||||
(set-tray-entry-callback! quit-entry (lambda (_) (quit!)))
|
||||
(tray-controller
|
||||
update-trays!
|
||||
(lambda ()
|
||||
(tray-destroy! tray)
|
||||
(sdl-quit!)))))
|
||||
@@ -84,10 +84,13 @@ async function api(path, body) {
|
||||
}
|
||||
|
||||
function showLogin(message = null) {
|
||||
const wasHidden = elements.loginOverlay.hidden;
|
||||
if (message !== null) elements.loginError.textContent = message;
|
||||
elements.loginOverlay.hidden = false;
|
||||
if (wasHidden) {
|
||||
window.setTimeout(() => elements.loginUsername.focus(), 0);
|
||||
}
|
||||
}
|
||||
|
||||
function hideLogin() {
|
||||
elements.loginOverlay.hidden = true;
|
||||
|
||||
@@ -70,3 +70,14 @@ plays them with @tt{racket-audio}. Its configured display name is authoritative
|
||||
and is followed by the server. Importing the module does not start the GUI; the
|
||||
function must be called explicitly.
|
||||
}
|
||||
|
||||
@defproc[(run-player-agent-cli [#:server-url server-url
|
||||
(or/c string? #f) #f]
|
||||
[#:name name (or/c string? #f) #f]
|
||||
[#:config-file config-file
|
||||
(or/c path-string? #f) #f]) void?] {
|
||||
|
||||
Starts a headless playback agent using the same audio and gapless-prefetch
|
||||
runtime as the GUI. Missing keyword values are read from the normal agent INI
|
||||
file. The procedure runs until interrupted.
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user