Compare commits
1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 SellPL
|
5356d23619 |
Generated
+1
-888
@@ -2,149 +2,6 @@
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|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "23b97319f7b8343df12cc98938e5c3eb436064524c8d2b4e30a1d3a36eecdf81"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "x11rb"
|
||||
version = "0.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9993aa5be5a26815fe2c3eacfc1fde061fc1a1f094bf1ad2a18bf9c495dd7414"
|
||||
dependencies = [
|
||||
"gethostname",
|
||||
"rustix",
|
||||
"x11rb-protocol",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "x11rb-protocol"
|
||||
version = "0.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ea6fc2961e4ef194dcbfe56bb845534d0dc8098940c7e5c012a258bfec6701bd"
|
||||
|
||||
[[package]]
|
||||
name = "zbus"
|
||||
version = "5.19.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5db4be7c075cb421e4b7ee645541604239bd243ba7c357511f4ff3a74b555907"
|
||||
dependencies = [
|
||||
"async-broadcast",
|
||||
"async-executor",
|
||||
"async-io",
|
||||
"async-lock",
|
||||
"async-process",
|
||||
"async-recursion",
|
||||
"async-task",
|
||||
"async-trait",
|
||||
"blocking",
|
||||
"enumflags2",
|
||||
"event-listener",
|
||||
"futures-core",
|
||||
"futures-lite",
|
||||
"hex",
|
||||
"libc",
|
||||
"ordered-stream",
|
||||
"rustix",
|
||||
"serde",
|
||||
"serde_repr",
|
||||
"tracing",
|
||||
"uds_windows",
|
||||
"uuid",
|
||||
"windows-sys",
|
||||
"winnow",
|
||||
"zbus_macros",
|
||||
"zbus_names",
|
||||
"zvariant",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zbus_macros"
|
||||
version = "5.19.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2990635d09ade6df1868f72f8cac69a876a90981e8bd3c40b1be413f8dc88f40"
|
||||
dependencies = [
|
||||
"proc-macro-crate",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 3.0.6",
|
||||
"zbus_names",
|
||||
"zvariant",
|
||||
"zvariant_utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zbus_names"
|
||||
version = "4.3.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d8bf88b4a3ff53e883001e0e0115b297a9d53c31b9c1edd2bfdd853e3428624e"
|
||||
dependencies = [
|
||||
"serde",
|
||||
"winnow",
|
||||
"zvariant",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zcheapstr"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d1afec51604565183aeb5c54c20aeab286120d4e4460f7f76e3e8bb8c0d99473"
|
||||
dependencies = [
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zvariant"
|
||||
version = "5.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c1d34c27cc6cdd1f458427519dd6b8612f7b7e3f7b9a0b2355d041dda9869147"
|
||||
dependencies = [
|
||||
"endi",
|
||||
"enumflags2",
|
||||
"serde",
|
||||
"winnow",
|
||||
"zcheapstr",
|
||||
"zvariant_derive",
|
||||
"zvariant_utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zvariant_derive"
|
||||
version = "5.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "864155e69b4352db0c7f374917bf45d1e0c8d17659c8b3dbf9795f3673f8c497"
|
||||
dependencies = [
|
||||
"proc-macro-crate",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 3.0.6",
|
||||
"zvariant_utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zvariant_utils"
|
||||
version = "4.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bad0294361a320b694a328460dc73add56c306150f5cb6bfafc44446120008a3"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"serde",
|
||||
"syn 3.0.6",
|
||||
"winnow",
|
||||
]
|
||||
|
||||
+18
-39
@@ -214,7 +214,6 @@ pub fn evaluate(input: &EngineInput<'_>) -> Decision {
|
||||
ScheduleMode::Blocklist => {
|
||||
for target in &schedule.targets {
|
||||
let reason = BlockReason {
|
||||
target: target.clone(),
|
||||
schedule_id: schedule.id.clone(),
|
||||
schedule_name: schedule.name.clone(),
|
||||
condition: active[0],
|
||||
@@ -246,7 +245,6 @@ pub fn evaluate(input: &EngineInput<'_>) -> Decision {
|
||||
continue;
|
||||
}
|
||||
blocked_apps.push(BlockReason {
|
||||
target: Target::App(id.clone()),
|
||||
schedule_id: schedule.id.clone(),
|
||||
schedule_name: schedule.name.clone(),
|
||||
condition: active[0],
|
||||
@@ -386,57 +384,38 @@ fn bucket_reset(now: CivilTime, window: &crate::model::UsageWindow) -> CivilTime
|
||||
/// Next boundary of a time window: either its end today, or its start if the
|
||||
/// window is not currently active.
|
||||
fn time_window_boundary(window: &crate::model::TimeWindow, now: CivilTime) -> Option<CivilTime> {
|
||||
// A window with equal bounds matches nothing, ever. It must therefore
|
||||
// contribute no boundary: a timer that exists only to discover the window
|
||||
// still does not match is a wakeup spent on nothing, against the section 5
|
||||
// idle budget. The `.max(1)` above keeps a legitimately-current boundary in
|
||||
// the future; this keeps an impossible one from existing at all.
|
||||
if window.start == window.end {
|
||||
return None;
|
||||
}
|
||||
|
||||
let minute = minute_of_day(now);
|
||||
let today = weekday(now);
|
||||
|
||||
if time_window_contains(window, now) {
|
||||
// Currently active. Where the END lands depends on which half of an
|
||||
// overnight window we are in.
|
||||
//
|
||||
// At 23:00 in a 22:00-06:00 window the end is 06:00 *tomorrow*, 420
|
||||
// minutes away — not 06:00 today, which is in the past. Computing
|
||||
// `end - minute` and clamping at zero, as this did, yields "now", which
|
||||
// makes the daemon wake immediately, re-evaluate, and get the same
|
||||
// answer forever: a busy loop that burns the section 5 idle budget and
|
||||
// never sleeps.
|
||||
let minutes_until = if window.is_overnight() && minute >= window.start {
|
||||
// Late part: crosses midnight.
|
||||
(24 * 60) - i64::from(minute) + i64::from(window.end)
|
||||
// Currently active: the end depends on whether we're in the early or
|
||||
// late part of an overnight window.
|
||||
let end_today = if window.is_overnight() && minute < window.end {
|
||||
// Early part — ends later today.
|
||||
window.end
|
||||
} else {
|
||||
// Either a daytime window, or the early part of an overnight one.
|
||||
i64::from(window.end) - i64::from(minute)
|
||||
window.end
|
||||
};
|
||||
let minutes_until = i64::from(end_today) - i64::from(minute);
|
||||
return Some(CivilTime {
|
||||
epoch_minutes: now.epoch_minutes + minutes_until.max(1),
|
||||
epoch_minutes: now.epoch_minutes + minutes_until.max(0),
|
||||
utc_offset_minutes: now.utc_offset_minutes,
|
||||
});
|
||||
}
|
||||
|
||||
// Not active: the next start is the boundary that matters.
|
||||
//
|
||||
// The day offset must be folded into the delta, not just used to test
|
||||
// membership. Iterating day offsets and computing only `start - minute`
|
||||
// wraps by 1440 without advancing the day, so an inactive weekday schedule
|
||||
// on a Saturday would report Monday's start as 21 hours away — Sunday 09:00,
|
||||
// a day that is not in the set. The block still fires, because the next
|
||||
// evaluation recomputes it, but the daemon wakes a day early for nothing,
|
||||
// which is exactly what the section 5 idle budget forbids.
|
||||
let mut best: Option<i64> = None;
|
||||
for day_offset in 0..=7i64 {
|
||||
let candidate_day = ((today as i64 + day_offset) % 7) as u8;
|
||||
if !window.days.contains(&candidate_day) {
|
||||
for day_offset in 0..=7 {
|
||||
let candidate_day = (today as i32 + day_offset) % 7;
|
||||
if !window.days.contains(&(candidate_day as u8)) {
|
||||
continue;
|
||||
}
|
||||
let mut delta = day_offset * 24 * 60 + i64::from(window.start) - i64::from(minute);
|
||||
let mut delta = i64::from(window.start) - i64::from(minute);
|
||||
if window.is_overnight() {
|
||||
// For an overnight window starting tomorrow evening, we want the
|
||||
// next *start*, which is what wakes us to start blocking.
|
||||
delta = i64::from(window.start) - i64::from(minute);
|
||||
}
|
||||
if delta < 0 {
|
||||
delta += 24 * 60;
|
||||
}
|
||||
@@ -457,7 +436,7 @@ fn time_window_boundary(window: &crate::model::TimeWindow, now: CivilTime) -> Op
|
||||
/// Unlike [`condition_boundary`], which answers "when does a *firing* condition
|
||||
/// stop firing", this also covers a condition that is currently false — a time
|
||||
/// window that has not started yet still has a start, and that start is exactly
|
||||
/// when the daemon must wake to begin blocking.
|
||||
/// when the daemon must wake up to begin blocking.
|
||||
///
|
||||
/// Returns `None` when nothing about the schedule is time-dependent, which is
|
||||
/// the case for Wi-Fi and location schedules: only an OS event can change them,
|
||||
|
||||
+5
-30
@@ -123,23 +123,12 @@ pub struct Schedule {
|
||||
|
||||
/// Why a target is currently blocked, and until when.
|
||||
///
|
||||
/// Section 1.3 requires the block screen to say which schedule blocked and when
|
||||
/// it ends, so the engine computes that here and the UI never re-derives it.
|
||||
/// Keeping the explanation in the decision is what stops three platforms from
|
||||
/// telling the user three different stories.
|
||||
///
|
||||
/// The `target` field is not decoration. A schedule may name twenty targets and
|
||||
/// they do not all become blocked: some are paused, some belong to a condition
|
||||
/// that is not currently active, and some are on the never-block list. Without
|
||||
/// carrying *which* target this reason is about, a decision for a schedule with
|
||||
/// two blocked apps would carry two identical reasons and the UI would have to
|
||||
/// re-derive the pairing — which is exactly the drift the reason exists to
|
||||
/// prevent. Found by writing the golden tables, which could not assert per-app
|
||||
/// attribution without it.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
/// Section 1.3 requires the block screen to say which schedule blocked and
|
||||
/// when it ends, so the engine computes that here and the UI never re-derives
|
||||
/// it. Keeping the explanation in the decision is what stops three platforms
|
||||
/// from telling the user three different stories.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct BlockReason {
|
||||
/// The specific target being blocked, not merely the schedule.
|
||||
pub target: Target,
|
||||
pub schedule_id: String,
|
||||
pub schedule_name: String,
|
||||
/// The specific condition that fired, named for display.
|
||||
@@ -149,20 +138,6 @@ pub struct BlockReason {
|
||||
pub ends_at: Option<crate::engine::CivilTime>,
|
||||
}
|
||||
|
||||
impl BlockReason {
|
||||
/// A stable, comparable key for the target this reason is about.
|
||||
///
|
||||
/// Used by the golden tables to assert attribution without depending on the
|
||||
/// engine's union ordering.
|
||||
pub fn app_key(&self) -> String {
|
||||
match &self.target {
|
||||
Target::App(id) => id.clone(),
|
||||
Target::Website(d) => format!("website:{d}"),
|
||||
Target::Keyword(k) => format!("keyword:{k}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A rejection of a schedule that does not satisfy section 1.2.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub enum ValidationError {
|
||||
|
||||
@@ -18,4 +18,3 @@ path = "src/main.rs"
|
||||
[dependencies]
|
||||
blocker-core = { path = "../../core" }
|
||||
blocker-storage = { path = "../../storage" }
|
||||
blocker-platform-linux = { path = "../platform-linux" }
|
||||
+1
-135
@@ -33,11 +33,7 @@
|
||||
//! installed read-only in `/usr/bin`, while the database must be writable and
|
||||
//! must survive an upgrade.
|
||||
|
||||
mod runner;
|
||||
|
||||
use std::path::PathBuf;
|
||||
|
||||
use blocker_platform_linux::kwin::BUS_NAME;
|
||||
use std::process::ExitCode;
|
||||
|
||||
/// `~/.local/share/blocker/blocker.db`, honouring `XDG_DATA_HOME`.
|
||||
@@ -80,9 +76,6 @@ fn main() -> ExitCode {
|
||||
);
|
||||
}
|
||||
|
||||
let usage = blocker_core::engine::UsageSnapshot::default();
|
||||
let context = blocker_core::engine::PlatformContext::default();
|
||||
|
||||
let schedules = match store.load_schedules() {
|
||||
Ok(s) => s,
|
||||
Err(e) => {
|
||||
@@ -94,134 +87,7 @@ fn main() -> ExitCode {
|
||||
println!("blocker-daemon {} (M0/M1)", env!("CARGO_PKG_VERSION"));
|
||||
println!("database: {}", path.display());
|
||||
println!("schedules: {}", schedules.len());
|
||||
// Backend selection, reported rather than assumed: "why didn't it block X"
|
||||
// is the question users actually ask, and the answer belongs in front of them
|
||||
// (ADR-14).
|
||||
if blocker_platform_linux::kwin::KwinBackend::is_available() {
|
||||
println!("backend: kwin (KWin script; native Wayland windows are visible)");
|
||||
} else if blocker_platform_linux::x11::X11Backend::connect().is_ok() {
|
||||
println!("backend: x11 (native Wayland apps are NOT visible through this)");
|
||||
} else {
|
||||
println!("backend: none — blocking cannot work; see docs/LIMITATIONS.md section 3");
|
||||
}
|
||||
println!("enforcement lands in M2-Linux; see docs/DECISIONS.md for the ADR log");
|
||||
|
||||
// The event loop, running for real.
|
||||
//
|
||||
// The KWin path is preferred, and it requires owning the D-Bus name BEFORE
|
||||
// the script is loaded: `callDBus` has nothing to resolve until the daemon
|
||||
// holds `vu.valiq.blocker`, so loading first would silently drop every
|
||||
// focus event. If KWin is unavailable we fall back to X11 and say what that
|
||||
// costs — on a Wayland session, XWayland clients only.
|
||||
let (tx, rx) = std::sync::mpsc::channel();
|
||||
|
||||
if let Ok(backend) = blocker_platform_linux::kwin::KwinBackend::connect() {
|
||||
println!("backend: kwin — native Wayland windows are visible");
|
||||
let _keep_connection = match blocker_platform_linux::watcher::serve(tx) {
|
||||
Ok(c) => c,
|
||||
Err(e) => {
|
||||
eprintln!("blocker-daemon: cannot own {BUS_NAME}: {e}");
|
||||
return ExitCode::FAILURE;
|
||||
}
|
||||
};
|
||||
println!("owning the D-Bus name; entering the event loop");
|
||||
run_loop(&rx, &schedules, &usage, &context, blocker_platform_linux::Enforcement::Freeze);
|
||||
backend.shutdown();
|
||||
return ExitCode::SUCCESS;
|
||||
}
|
||||
|
||||
println!("backend: kwin unavailable; falling back to x11");
|
||||
match blocker_platform_linux::x11::X11Backend::connect() {
|
||||
Ok(backend) => {
|
||||
println!("backend: x11 — native Wayland apps are NOT visible through this");
|
||||
if let Err(e) = backend.subscribe_events() {
|
||||
eprintln!("blocker-daemon: cannot subscribe to X events: {e}");
|
||||
return ExitCode::FAILURE;
|
||||
}
|
||||
let _ = backend.request_active_window();
|
||||
|
||||
// The X11 subscription runs on its own thread and parks in
|
||||
// poll_for_event. The main thread parks in recv_timeout. Neither
|
||||
// ticks, so an idle system costs two blocked threads and no CPU.
|
||||
let quit = std::sync::Arc::new(std::sync::atomic::AtomicBool::new(false));
|
||||
let worker_quit = quit.clone();
|
||||
let worker = std::thread::spawn(move || {
|
||||
backend.run(tx, worker_quit.as_ref());
|
||||
});
|
||||
|
||||
let ctx = runner::LoopContext {
|
||||
schedules: &schedules,
|
||||
usage: &usage,
|
||||
platform_context: &context,
|
||||
boot_id: blocker_core::engine::BootId(0),
|
||||
enforcement: blocker_platform_linux::Enforcement::Freeze,
|
||||
};
|
||||
let clock = blocker_platform_linux::SystemMonotonic;
|
||||
|
||||
println!("enforcement: SIGSTOP (configurable); entering the event loop");
|
||||
'events: loop {
|
||||
// The wait IS the next wakeup. An idle system parks here rather
|
||||
// than ticking, which is how the section 5 idle budget is met.
|
||||
let (action, blocked) =
|
||||
runner::step(&rx, std::time::Duration::from_secs(3600), &ctx, &clock, now());
|
||||
if blocked > 0 {
|
||||
println!("blocked an app ({action:?})");
|
||||
}
|
||||
if action == runner::Action::Idle {
|
||||
// The channel disconnected: the X11 watcher thread is gone,
|
||||
// and nothing can arrive to wake us again. Exiting is
|
||||
// correct, and better than spinning on a dead channel.
|
||||
break 'events;
|
||||
}
|
||||
}
|
||||
let _ = worker.join();
|
||||
}
|
||||
Err(e) => {
|
||||
println!("backend: none — {e}");
|
||||
println!("blocking cannot work on this session; see docs/LIMITATIONS.md section 3");
|
||||
return ExitCode::FAILURE;
|
||||
}
|
||||
};
|
||||
ExitCode::SUCCESS
|
||||
}
|
||||
|
||||
/// The event loop, shared by both backends.
|
||||
///
|
||||
/// Both paths park here: the caller has already put a focus-event producer in
|
||||
/// charge, and this consumes it. Two blocked threads and no CPU between events.
|
||||
fn run_loop(
|
||||
rx: &std::sync::mpsc::Receiver<blocker_platform_linux::FocusEvent>,
|
||||
schedules: &[blocker_core::model::Schedule],
|
||||
usage: &blocker_core::engine::UsageSnapshot,
|
||||
context: &blocker_core::engine::PlatformContext,
|
||||
enforcement: blocker_platform_linux::Enforcement,
|
||||
) {
|
||||
let ctx = runner::LoopContext {
|
||||
schedules,
|
||||
usage,
|
||||
platform_context: context,
|
||||
boot_id: blocker_core::engine::BootId(0),
|
||||
enforcement,
|
||||
};
|
||||
let clock = blocker_platform_linux::SystemMonotonic;
|
||||
println!("enforcement: {enforcement:?}; entering the event loop");
|
||||
'events: loop {
|
||||
let (action, blocked) =
|
||||
runner::step(rx, std::time::Duration::from_secs(3600), &ctx, &clock, now());
|
||||
if blocked > 0 {
|
||||
println!("blocked an app ({action:?})");
|
||||
}
|
||||
if action == runner::Action::Idle {
|
||||
break 'events;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Civil time, from the platform layer.
|
||||
///
|
||||
/// A placeholder reading rather than a clock read: the loop's correctness
|
||||
/// depends on `next_wakeup` arithmetic, and wiring a real timezone-aware source
|
||||
/// is part of the next PR. Deliberately returns a fixed instant so the loop is
|
||||
/// obviously not yet time-driven, instead of appearing to work by accident.
|
||||
fn now() -> blocker_core::engine::CivilTime {
|
||||
blocker_core::engine::CivilTime { epoch_minutes: 0, utc_offset_minutes: 0 }
|
||||
}
|
||||
|
||||
@@ -1,160 +0,0 @@
|
||||
//! The daemon event loop: the three things it blocks on, and nothing else.
|
||||
//!
|
||||
//! # No polling, stated as a property of this loop
|
||||
//!
|
||||
//! There is no tick. The loop blocks on exactly three inputs:
|
||||
//!
|
||||
//! 1. a focus event from the active [`ForegroundWatcher`],
|
||||
//! 2. the `next_wakeup` instant the engine returned,
|
||||
//! 3. IPC from the UI (not yet wired; M2-Linux).
|
||||
//!
|
||||
//! The wait is a single `recv_timeout` whose duration *is* the next wakeup. An
|
||||
//! idle system therefore takes zero wakeups: if the engine says nothing can
|
||||
//! change for six hours, the thread parks for six hours. A loop that wakes to
|
||||
//! check would be indistinguishable from polling and would fail the section 5
|
||||
//! budget no matter how fast each pass was.
|
||||
//!
|
||||
//! # Fail open, always
|
||||
//!
|
||||
//! Every fallible step is logged and continues rather than aborting. A daemon
|
||||
//! that dies takes enforcement with it; section 1.5.4 is explicit that a
|
||||
//! malfunction must fail open, never leave a device unusable.
|
||||
|
||||
use std::sync::mpsc::{Receiver, RecvTimeoutError};
|
||||
use std::time::Duration;
|
||||
|
||||
use blocker_core::engine::{
|
||||
BootId, CivilTime, EngineInput, Monotonic, PlatformContext, UsageSnapshot,
|
||||
};
|
||||
use blocker_core::model::Schedule;
|
||||
|
||||
use blocker_platform_linux::enforce;
|
||||
use blocker_platform_linux::enforce::MonotonicSource;
|
||||
use blocker_platform_linux::{Enforcement, FocusEvent};
|
||||
|
||||
/// What the loop was told to do, for logging.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum Action {
|
||||
/// Nothing changed.
|
||||
Idle,
|
||||
/// A window gained focus.
|
||||
Focused,
|
||||
/// Focus cleared.
|
||||
Unfocused,
|
||||
}
|
||||
|
||||
/// Everything the loop needs to evaluate and enforce.
|
||||
pub struct LoopContext<'a> {
|
||||
pub schedules: &'a [Schedule],
|
||||
pub usage: &'a UsageSnapshot,
|
||||
pub platform_context: &'a PlatformContext,
|
||||
pub boot_id: BootId,
|
||||
/// The escalating enforcement ladder the user configured.
|
||||
pub enforcement: Enforcement,
|
||||
}
|
||||
|
||||
impl LoopContext<'_> {
|
||||
fn input<'a>(&'a self, now: CivilTime, mono: Monotonic) -> EngineInput<'a> {
|
||||
EngineInput {
|
||||
now,
|
||||
monotonic: mono,
|
||||
boot_id: self.boot_id,
|
||||
schedules: self.schedules,
|
||||
usage: self.usage,
|
||||
context: self.platform_context,
|
||||
installed_apps: &[],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// One iteration of the loop: handle an event, or sleep until the next wakeup.
|
||||
///
|
||||
/// Split out from [`run`] so a test can drive the loop deterministically — one
|
||||
/// event in, one decision out — instead of racing a thread.
|
||||
pub fn step(
|
||||
events: &Receiver<FocusEvent>,
|
||||
wait: Duration,
|
||||
ctx: &LoopContext<'_>,
|
||||
clock: &dyn MonotonicSource,
|
||||
wall: CivilTime,
|
||||
) -> (Action, usize) {
|
||||
let event = match events.recv_timeout(wait) {
|
||||
Ok(event) => event,
|
||||
// A timeout is the `next_wakeup` firing. Re-evaluate, which is the whole
|
||||
// point of having armed it.
|
||||
Err(RecvTimeoutError::Timeout) => {
|
||||
let _ = evaluate_now(ctx, clock, wall);
|
||||
return (Action::Idle, 0);
|
||||
}
|
||||
// The watcher thread is gone. Nothing can arrive, so re-evaluating on a
|
||||
// timer would be the polling this design exists to avoid. Return a
|
||||
// zero duration and let the caller decide; with no channel there is
|
||||
// nothing left to wake for.
|
||||
Err(RecvTimeoutError::Disconnected) => {
|
||||
return (Action::Idle, 0);
|
||||
}
|
||||
};
|
||||
|
||||
let action = match &event {
|
||||
FocusEvent::Activated(_) => Action::Focused,
|
||||
FocusEvent::Cleared => Action::Unfocused,
|
||||
};
|
||||
|
||||
let blocked = match &event {
|
||||
FocusEvent::Activated(window) => enforce_if_blocked(window, ctx, clock, wall),
|
||||
FocusEvent::Cleared => 0,
|
||||
};
|
||||
|
||||
(action, blocked)
|
||||
}
|
||||
|
||||
/// Evaluate, and enforce against whatever just took focus.
|
||||
fn evaluate_now(ctx: &LoopContext<'_>, clock: &dyn MonotonicSource, wall: CivilTime) -> usize {
|
||||
let mono = Monotonic(clock.now_ms());
|
||||
let decision = blocker_core::evaluate(&ctx.input(wall, mono));
|
||||
decision.blocked_apps.len()
|
||||
}
|
||||
|
||||
/// Enforce if the focused window is blocked.
|
||||
///
|
||||
/// The target the engine names is compared against the window's own identity.
|
||||
/// Both sides go through the same string, so there is no normalisation guess
|
||||
/// here beyond what the backend already did: a mismatch means nothing is
|
||||
/// blocked, and a wrong guess is avoided rather than attempted.
|
||||
fn enforce_if_blocked(
|
||||
window: &blocker_platform_linux::Window,
|
||||
ctx: &LoopContext<'_>,
|
||||
clock: &dyn MonotonicSource,
|
||||
wall: CivilTime,
|
||||
) -> usize {
|
||||
let mono = Monotonic(clock.now_ms());
|
||||
let decision = blocker_core::evaluate(&ctx.input(wall, mono));
|
||||
|
||||
let candidates = [window.desktop_id.as_deref(), window.exe_path.as_deref()];
|
||||
let blocked = decision.blocked_apps.iter().any(|reason| {
|
||||
let target = reason.app_key();
|
||||
candidates.iter().flatten().any(|c| *c == target)
|
||||
});
|
||||
|
||||
if !blocked {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// No pid means no way to act on the process. This is the honest outcome,
|
||||
// not an error to paper over: a compositor that hides the pid (unlike KWin,
|
||||
// which exposes it — see kwin.rs) can still be used to *show* a block
|
||||
// screen, just not to freeze or terminate.
|
||||
let Some(pid) = window.pid else {
|
||||
return 0;
|
||||
};
|
||||
|
||||
match enforce::apply(ctx.enforcement, pid) {
|
||||
Ok(()) => 1,
|
||||
Err(e) => {
|
||||
// Logged, not fatal. A process that exited between the focus event
|
||||
// and the signal is the common case and must not stop the loop.
|
||||
eprintln!("blocker-daemon: could not enforce on pid {pid}: {e}");
|
||||
0
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -14,26 +14,3 @@ path = "src/lib.rs"
|
||||
|
||||
[dependencies]
|
||||
blocker-core = { path = "../../core" }
|
||||
|
||||
# CLAUDE.md section 3 names these three for Linux explicitly:
|
||||
# "Linux | x11rb (X11), zbus (D-Bus/logind/NetworkManager), nix"
|
||||
# All three are therefore approved and this milestone needs no new dependency
|
||||
# decision.
|
||||
#
|
||||
# zbus is BLOCKING, on async-io rather than tokio, deliberately.
|
||||
#
|
||||
# `blocking-api` is what exposes `zbus::blocking`. Its executor is `async-io`,
|
||||
# not `tokio`, because a tokio reactor thread is measurable idle cost against a
|
||||
# section 5 budget of zero wakeups, and several hundred KB against a 5 MB binary.
|
||||
# Blocking zbus waits on exactly the fd we care about and nothing else — which is
|
||||
# the same property the daemon's event loop is built around.
|
||||
zbus = { version = "5", default-features = false, features = ["async-io", "blocking-api"] }
|
||||
|
||||
# X11 fallback. Sees XWayland clients but not native Wayland apps, which is why
|
||||
# it is the fallback and not the primary path.
|
||||
x11rb = "0.13"
|
||||
|
||||
# SIGSTOP/SIGCONT for the non-destructive freeze, and process lookup.
|
||||
# `time` for CLOCK_MONOTONIC, which section 1.5.3 names for Linux and which the
|
||||
# event loop's whole no-polling property rests on.
|
||||
nix = { version = "0.29", features = ["signal", "process", "time"] }
|
||||
@@ -1,140 +0,0 @@
|
||||
//! Enforcement: what actually happens to a blocked application.
|
||||
//!
|
||||
//! The engine decides *whether* something is blocked. This module is what
|
||||
//! happens next, and it is deliberately conservative about it.
|
||||
//!
|
||||
//! # The escalation ladder
|
||||
//!
|
||||
//! Actions run in the order below, configurable per user. Each step is more
|
||||
//! invasive than the last, and the ordering encodes a judgement: a block screen
|
||||
//! is worth almost nothing if the user can just move the window, and terminating
|
||||
//! an app destroys whatever the user was doing. So the ladder starts with the
|
||||
//! least destructive thing that could work and ends with the most.
|
||||
//!
|
||||
//! | Action | Invasive? | Why it is here |
|
||||
//! |---|---|---|
|
||||
//! | [`Enforcement::BlockScreen`] | no | The default, and the only one that tells the user anything |
|
||||
//! | [`Enforcement::Minimise`] | low | Reversible, keeps the session alive |
|
||||
//! | [`Enforcement::Freeze`] | medium | `SIGSTOP` — preserves all state, stops the CPU burn |
|
||||
//! | [`Enforcement::Terminate`] | high | Last resort; the user's work may be lost |
|
||||
//!
|
||||
//! # SIGSTOP is the interesting one
|
||||
//!
|
||||
//! Freezing with `SIGSTOP` rather than killing is the difference between a
|
||||
//! blocker the user works *around* and one they work *with*. The process keeps
|
||||
//! every bit of its state — open buffers, scroll position, half-typed message —
|
||||
//! and resumes exactly where it was. Killing an app to enforce a schedule is the
|
||||
//! kind of destructive surprise that makes people uninstall the blocker
|
||||
//! entirely, and section 1.5 is explicitly about meeting the user where they are.
|
||||
//!
|
||||
//! It also costs nothing to undo: `SIGCONT` reverses `SIGSTOP` exactly.
|
||||
//!
|
||||
//! # What cannot be done unprivileged
|
||||
//!
|
||||
//! Processes owned by other users, and anything running as root. That is an OS
|
||||
//! limit, recorded in `LIMITATIONS.md`, not a missing feature.
|
||||
|
||||
use std::io;
|
||||
|
||||
use nix::sys::signal::{self, Signal};
|
||||
use nix::unistd::Pid;
|
||||
|
||||
use super::Enforcement;
|
||||
|
||||
/// Something went wrong enforcing a block.
|
||||
#[derive(Debug)]
|
||||
pub enum EnforceError {
|
||||
/// The process is gone. Common — a window can close between the focus event
|
||||
/// and the action — and not worth surfacing.
|
||||
NoSuchProcess,
|
||||
/// Sending the signal failed.
|
||||
Signal(i32),
|
||||
}
|
||||
|
||||
impl std::fmt::Display for EnforceError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::NoSuchProcess => write!(f, "the process no longer exists"),
|
||||
Self::Signal(e) => write!(f, "could not signal the process: {e}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::error::Error for EnforceError {}
|
||||
|
||||
/// Apply an enforcement action to a process.
|
||||
///
|
||||
/// Only the actions that need no compositor cooperation are implemented here.
|
||||
/// `BlockScreen` and `Minimise` are the caller's job — they need a window or a
|
||||
/// compositor call, and this crate is not the place that knows about either.
|
||||
pub fn apply(action: Enforcement, pid: u32) -> Result<(), EnforceError> {
|
||||
let pid = Pid::from_raw(pid as i32);
|
||||
let result = match action {
|
||||
Enforcement::BlockScreen | Enforcement::Minimise => {
|
||||
// Nothing to do at this level; the caller handles these.
|
||||
return Ok(());
|
||||
}
|
||||
Enforcement::Freeze => signal::kill(pid, Signal::SIGSTOP),
|
||||
Enforcement::Terminate => signal::kill(pid, Signal::SIGTERM),
|
||||
};
|
||||
|
||||
result.map_err(|err| match err {
|
||||
nix::errno::Errno::ESRCH => EnforceError::NoSuchProcess,
|
||||
other => EnforceError::Signal(other as i32),
|
||||
})
|
||||
}
|
||||
|
||||
/// Resume a frozen process.
|
||||
///
|
||||
/// The exact inverse of [`Enforcement::Freeze`], which is what makes freezing
|
||||
/// non-destructive: a user who decides the block was wrong can get their app
|
||||
/// back with its state intact.
|
||||
pub fn thaw(pid: u32) -> Result<(), EnforceError> {
|
||||
signal::kill(Pid::from_raw(pid as i32), Signal::SIGCONT).map_err(|err| match err {
|
||||
nix::errno::Errno::ESRCH => EnforceError::NoSuchProcess,
|
||||
other => EnforceError::Signal(other as i32),
|
||||
})
|
||||
}
|
||||
|
||||
/// A monotonic clock reading.
|
||||
///
|
||||
/// Behind a trait so the event loop can be driven by a fake clock in tests
|
||||
/// without the engine's monotonic guarantee being quietly abandoned.
|
||||
pub trait MonotonicSource: Send + Sync {
|
||||
/// Milliseconds since boot. Implementations must be monotonic — section
|
||||
/// 1.5.3 makes trusting the wall clock here a correctness bug, not a style
|
||||
/// one.
|
||||
fn now_ms(&self) -> u64;
|
||||
}
|
||||
|
||||
/// Reads `CLOCK_MONOTONIC` through `nix`.
|
||||
///
|
||||
/// CLOCK_MONOTONIC is the clock section 1.5.3 names for Linux. It does not
|
||||
/// advance while the machine is suspended, which is exactly why the lock layer
|
||||
/// persists elapsed-so-far and compares boot ids rather than trusting a single
|
||||
/// reading across a suspend.
|
||||
pub struct SystemMonotonic;
|
||||
|
||||
impl MonotonicSource for SystemMonotonic {
|
||||
fn now_ms(&self) -> u64 {
|
||||
nix::time::clock_gettime(nix::time::ClockId::CLOCK_MONOTONIC)
|
||||
.map(|t| t.tv_sec() as u64 * 1000 + t.tv_nsec() as u64 / 1_000_000)
|
||||
.unwrap_or(0)
|
||||
}
|
||||
}
|
||||
|
||||
/// Whether a process is currently frozen by us.
|
||||
///
|
||||
/// Reads `/proc/<pid>/stat`, whose state field is one character: `T` is stopped.
|
||||
/// Cheap, and the only way to know without tracking our own state — which would
|
||||
/// drift the moment a process is frozen by something else.
|
||||
pub fn is_frozen(pid: u32) -> io::Result<bool> {
|
||||
let stat = std::fs::read_to_string(format!("/proc/{pid}/stat"))?;
|
||||
// The command field is parenthesised and may itself contain spaces and
|
||||
// parentheses, so the state character is found after the LAST ')'.
|
||||
let after_name = stat.rfind(')').map(|i| &stat[i + 1..]).unwrap_or_default();
|
||||
Ok(after_name.trim_start().starts_with('T'))
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests;
|
||||
@@ -1,113 +0,0 @@
|
||||
//! Tests for the enforcement ladder.
|
||||
//!
|
||||
//! `expect`/`unwrap`/`panic` are allowed here, scoped to this module with the
|
||||
//! reason stated: a failed assertion or a missing `sleep` binary is a broken
|
||||
//! test, not a runtime condition to handle gracefully.
|
||||
|
||||
#![allow(
|
||||
clippy::unwrap_used,
|
||||
clippy::expect_used,
|
||||
clippy::panic,
|
||||
reason = "test fixtures: a failed assertion is a broken test, not a runtime condition"
|
||||
)]
|
||||
|
||||
use super::*;
|
||||
|
||||
/// A child process can be frozen, reported frozen, and thawed again.
|
||||
///
|
||||
/// Deliberately *not* done to the test process itself. An earlier version of
|
||||
/// this test sent `SIGSTOP` to `std::process::id()`, which deadlocks cargo's
|
||||
/// harness: the harness thread stops before it can report a result, so the test
|
||||
/// never finishes and `cargo test` hangs until killed. A child is the correct
|
||||
/// subject — the kernel behaviour is identical, and nothing that waits on the
|
||||
/// test can be caught in the crossfire.
|
||||
#[test]
|
||||
fn a_child_process_freezes_reports_and_thaws() {
|
||||
let mut child = std::process::Command::new("sleep").arg("30").spawn().expect("spawn sleep");
|
||||
let pid = child.id();
|
||||
|
||||
assert!(!is_frozen(pid).expect("read child stat"), "child starts running");
|
||||
|
||||
apply(Enforcement::Freeze, pid).expect("SIGSTOP the child");
|
||||
|
||||
// The signal is delivered asynchronously, so poll briefly rather than
|
||||
// sleeping a fixed amount: a slow machine should not flake the test.
|
||||
let mut frozen = false;
|
||||
for _ in 0..50 {
|
||||
if is_frozen(pid).unwrap_or(false) {
|
||||
frozen = true;
|
||||
break;
|
||||
}
|
||||
std::thread::sleep(std::time::Duration::from_millis(20));
|
||||
}
|
||||
assert!(frozen, "the child should report stopped after SIGSTOP");
|
||||
|
||||
thaw(pid).expect("SIGCONT the child");
|
||||
|
||||
let mut running = false;
|
||||
for _ in 0..50 {
|
||||
if !is_frozen(pid).unwrap_or(false) {
|
||||
running = true;
|
||||
break;
|
||||
}
|
||||
std::thread::sleep(std::time::Duration::from_millis(20));
|
||||
}
|
||||
assert!(running, "the child should be running again after SIGCONT");
|
||||
|
||||
let _ = child.kill();
|
||||
let _ = child.wait();
|
||||
}
|
||||
|
||||
/// Signalling a pid we cannot signal is an error, never a panic.
|
||||
///
|
||||
/// CLAUDE.md section 0 rule 5: a fallible OS call must not abort the daemon.
|
||||
/// A daemon that panics takes enforcement down with it.
|
||||
#[test]
|
||||
fn signalling_an_unsignalable_pid_is_reported_not_fatal() {
|
||||
let result = apply(Enforcement::Terminate, 0x7FFF_FFFE);
|
||||
assert!(result.is_err(), "an unsignalable pid must be an error");
|
||||
}
|
||||
|
||||
/// Actions that need a window or a compositor are no-ops here, and succeed.
|
||||
#[test]
|
||||
fn compositor_actions_are_no_ops_at_this_layer() {
|
||||
assert!(apply(Enforcement::BlockScreen, 0).is_ok());
|
||||
assert!(apply(Enforcement::Minimise, 0).is_ok());
|
||||
}
|
||||
|
||||
/// A missing process is distinguished from other signalling failures.
|
||||
#[test]
|
||||
fn a_missing_process_is_its_own_error() {
|
||||
match apply(Enforcement::Freeze, 0x7FFF_FFFE) {
|
||||
Err(EnforceError::NoSuchProcess) | Err(EnforceError::Signal(_)) => {}
|
||||
Ok(()) => panic!("signalling a nonexistent pid must not succeed"),
|
||||
}
|
||||
}
|
||||
|
||||
/// Freezing is reversible and non-destructive — the reason it is preferred to
|
||||
/// terminating.
|
||||
#[test]
|
||||
fn freezing_preserves_the_process() {
|
||||
let mut child = std::process::Command::new("sleep").arg("30").spawn().expect("spawn sleep");
|
||||
let pid = child.id();
|
||||
|
||||
apply(Enforcement::Freeze, pid).expect("SIGSTOP");
|
||||
for _ in 0..50 {
|
||||
if is_frozen(pid).unwrap_or(false) {
|
||||
break;
|
||||
}
|
||||
std::thread::sleep(std::time::Duration::from_millis(20));
|
||||
}
|
||||
thaw(pid).expect("SIGCONT");
|
||||
|
||||
// Still alive, and its exit status is still readable — nothing was destroyed.
|
||||
assert!(!is_frozen(pid).unwrap_or(true), "the child must be running again after SIGCONT");
|
||||
assert_eq!(
|
||||
child.try_wait().expect("try_wait").map(|s| s.to_string()),
|
||||
None,
|
||||
"the process must still be running after freeze and thaw, not reaped"
|
||||
);
|
||||
|
||||
let _ = child.kill();
|
||||
let _ = child.wait();
|
||||
}
|
||||
@@ -1,296 +0,0 @@
|
||||
//! The KWin backend: focus detection on KDE Plasma, over D-Bus.
|
||||
//!
|
||||
//! # Why this exists at all
|
||||
//!
|
||||
//! Wayland has no portable API for "which window has focus" (CLAUDE.md §6.3).
|
||||
//! KDE exposes one, and this machine runs Plasma 6.6.6 on Wayland — so an
|
||||
//! X11-only design would be blind to most of the user's own desktop. This is the
|
||||
//! primary path; [`super::x11`] is the portable fallback, and a process-based
|
||||
//! watcher is the degraded last resort.
|
||||
//!
|
||||
//! # How the events get out
|
||||
//!
|
||||
//! KWin will not push focus events to an arbitrary subscriber. What it offers is
|
||||
//! a scripting interface: a JavaScript snippet loaded into the compositor, which
|
||||
//! hooks `workspace.windowActivated` and calls back over D-Bus via KWin's
|
||||
//! `callDBus` helper.
|
||||
//!
|
||||
//! So there are two D-Bus hops, and both are necessary:
|
||||
//!
|
||||
//! ```text
|
||||
//! KWin (JS) daemon (Rust)
|
||||
//! ──────────────────────────── ────────────────────────────
|
||||
//! windowActivated(client)
|
||||
//! │
|
||||
//! │ callDBus("vu.valiq.blocker", "/Watcher", "Watcher", "Focused", …)
|
||||
//! └──────────────────────────────────────────────────────▶
|
||||
//! │
|
||||
//! FocusEvent on a std channel
|
||||
//! ```
|
||||
//!
|
||||
//! The daemon owns the bus name `vu.valiq.blocker`, so KWin always has somewhere
|
||||
//! to call. If the daemon dies, `callDBus` fails silently in the script and the
|
||||
//! compositor is left alone — which is the fail-open behaviour §1.5.4 requires.
|
||||
//!
|
||||
//! # What is verified, and what is not
|
||||
//!
|
||||
//! The D-Bus surface below was introspected on the live session, not read from
|
||||
//! documentation:
|
||||
//!
|
||||
//! ```text
|
||||
//! $ busctl --user introspect org.kde.KWin /Scripting org.kde.kwin.Scripting
|
||||
//! .loadScript method s i
|
||||
//! .loadScript method ss i
|
||||
//! .loadDeclarativeScript method s i
|
||||
//! .start method - -
|
||||
//! .unloadScript method s b
|
||||
//! .isScriptLoaded method s b
|
||||
//! ```
|
||||
//!
|
||||
//! The KWin *JavaScript* API has been **executed against the live session**. A
|
||||
//! probe script was loaded into the running Plasma 6.6.6, which printed:
|
||||
//!
|
||||
//! ```text
|
||||
//! js: PROBE: activated resourceClass=org.kde.konsole resourceName=konsole
|
||||
//! caption=... internalId={6866aecf-...} pid=4147
|
||||
//! js: PROBE: activated resourceClass=Spotify resourceName=spotify
|
||||
//! caption=... internalId={c99b88b4-...} pid=74378
|
||||
//! ```
|
||||
//!
|
||||
//! That confirmed `workspace.windowActivated` exists and fires, and that
|
||||
//! `resourceClass`, `resourceName`, `caption`, `internalId` and — contrary to an
|
||||
//! earlier assumption in this file — **`pid`** are all readable from a script.
|
||||
//! The probe was unloaded immediately afterwards and verified gone.
|
||||
//!
|
||||
//! What remains unverified is the D-Bus leg: whether `callDBus` from inside the
|
||||
//! script reaches the daemon's exported interface. That half is ordinary Rust
|
||||
//! and is exercised by the integration test in M2.
|
||||
|
||||
use std::sync::mpsc::Sender;
|
||||
|
||||
use super::{FocusEvent, ForegroundWatcher, ForegroundWindow};
|
||||
use zbus::blocking::{Connection, Proxy};
|
||||
|
||||
/// The bus name the daemon owns, and which the KWin script calls.
|
||||
pub const BUS_NAME: &str = "vu.valiq.blocker";
|
||||
/// The object path the KWin script calls methods on.
|
||||
pub const OBJECT_PATH: &str = "/Watcher";
|
||||
/// The interface the daemon exports.
|
||||
pub const INTERFACE: &str = "vu.valiq.blocker.Watcher";
|
||||
|
||||
/// KWin's service name and the `Scripting` object behind it.
|
||||
const KWIN_SERVICE: &str = "org.kde.KWin";
|
||||
const KWIN_PATH: &str = "/Scripting";
|
||||
const KWIN_IFACE: &str = "org.kde.kwin.Scripting";
|
||||
|
||||
/// The script's package name, as registered with KWin.
|
||||
const SCRIPT_NAME: &str = "blocker-focus";
|
||||
|
||||
/// The JavaScript loaded into KWin.
|
||||
///
|
||||
/// Kept as a `const` rather than a file on disk deliberately: KWin's
|
||||
/// `loadScript(path, name)` wants a path, and the daemon writes this to a
|
||||
/// temp file at startup. Embedding it means there is exactly one copy, it cannot
|
||||
/// drift from this file, and there is no install path to get wrong.
|
||||
///
|
||||
/// The callback shape is the one KWin's `callDBus` expects — the last argument is
|
||||
/// a JS function receiving the reply. Errors are swallowed on purpose: if the
|
||||
/// daemon is not running, there is nothing useful for the compositor to do about
|
||||
/// it, and throwing inside a signal handler would spam the KWin log on every
|
||||
/// window change.
|
||||
const SCRIPT_JS: &str = r#"
|
||||
function reportFocus(client) {
|
||||
if (!client) {
|
||||
callDBus("vu.valiq.blocker", "/Watcher", "vu.valiq.blocker.Watcher",
|
||||
"Focused", "", function(err) {}, 0);
|
||||
return;
|
||||
}
|
||||
// resourceClass is the stable identifier; caption changes constantly and
|
||||
// internalId is not stable across restarts.
|
||||
//
|
||||
// pid is included because it is EXPOSED — verified on Plasma 6.6.6, where a
|
||||
// probe script printed `pid=4147` for Konsole and `pid=74378` for Spotify.
|
||||
// An earlier version of this file asserted that KWin hid the pid from
|
||||
// scripts, and that was wrong; with a real pid the daemon can resolve
|
||||
// /proc/<pid>/exe instead of inferring an app from its resource class.
|
||||
var payload = (client.resourceClass || "") + "\t" +
|
||||
(client.resourceName || "") + "\t" +
|
||||
(client.caption || "") + "\t" +
|
||||
String(client.internalId || "") + "\t" +
|
||||
String(client.pid || "");
|
||||
callDBus("vu.valiq.blocker", "/Watcher", "vu.valiq.blocker.Watcher",
|
||||
"Focused", payload, function(err) {}, 0);
|
||||
}
|
||||
|
||||
workspace.windowActivated.connect(reportFocus);
|
||||
|
||||
// Report whatever is already focused, so the daemon starts with a correct state
|
||||
// instead of waiting for the user to alt-tab.
|
||||
for (var i = 0; i < workspace.windowList().length; i++) {
|
||||
var w = workspace.windowList()[i];
|
||||
if (w.active) { reportFocus(w); break; }
|
||||
}
|
||||
"#;
|
||||
|
||||
/// Something went wrong talking to KWin.
|
||||
#[derive(Debug)]
|
||||
pub enum KwinError {
|
||||
/// No session bus. Usually means the daemon was started outside a desktop
|
||||
/// session — over SSH, or from a system unit rather than a user one.
|
||||
NoSessionBus(zbus::Error),
|
||||
/// The connection dropped.
|
||||
Disconnected(zbus::Error),
|
||||
/// `org.kde.KWin` did not answer, or the method returned an error. The most
|
||||
/// likely cause is that this is not KDE.
|
||||
NotKde,
|
||||
/// The script could not be written to a temporary file.
|
||||
ScriptIo(std::io::Error),
|
||||
}
|
||||
|
||||
impl std::fmt::Display for KwinError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::NoSessionBus(e) => write!(f, "no session bus: {e}"),
|
||||
Self::Disconnected(e) => write!(f, "D-Bus disconnected: {e}"),
|
||||
Self::NotKde => write!(f, "org.kde.KWin is not available on this session"),
|
||||
Self::ScriptIo(e) => write!(f, "could not stage the KWin script: {e}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::error::Error for KwinError {}
|
||||
|
||||
/// The KWin scripting backend.
|
||||
#[derive(Debug)]
|
||||
pub struct KwinBackend {
|
||||
connection: Connection,
|
||||
script_path: std::path::PathBuf,
|
||||
}
|
||||
|
||||
impl KwinBackend {
|
||||
/// Load and start the focus script.
|
||||
///
|
||||
/// Ordering matters: KWin requires `loadScript` before `start`, and
|
||||
/// `start` applies to *all* loaded scripts, so this is only safe because the
|
||||
/// daemon is the only thing loading scripts under this name.
|
||||
pub fn connect() -> Result<Self, KwinError> {
|
||||
let connection = zbus::blocking::Connection::session().map_err(KwinError::NoSessionBus)?;
|
||||
let proxy = Proxy::new(&connection, KWIN_SERVICE, KWIN_PATH, KWIN_IFACE)
|
||||
.map_err(|_| KwinError::NotKde)?;
|
||||
|
||||
let script_path = stage_script().map_err(KwinError::ScriptIo)?;
|
||||
|
||||
// A stale script from a previous run would be loaded already; drop it
|
||||
// first so `start` cannot run two copies of the same handler.
|
||||
let already: Option<bool> =
|
||||
proxy.call::<&str, _, bool>("isScriptLoaded", &(SCRIPT_NAME,)).ok();
|
||||
if already == Some(true) {
|
||||
let _: std::result::Result<bool, _> = proxy.call("unloadScript", &(SCRIPT_NAME,));
|
||||
}
|
||||
|
||||
proxy
|
||||
.call::<&str, _, i32>("loadScript", &(script_path.to_string_lossy(), SCRIPT_NAME))
|
||||
.map_err(|_| KwinError::NotKde)?;
|
||||
// `start` takes no arguments, so the body is `()` — and the reply type
|
||||
// has to be named, or the return value falls back to the never type.
|
||||
let started: zbus::Result<()> = proxy.call("start", &());
|
||||
started.map_err(|_| KwinError::NotKde)?;
|
||||
|
||||
Ok(Self { connection, script_path })
|
||||
}
|
||||
|
||||
/// Whether this session is running KWin at all.
|
||||
///
|
||||
/// Cheap enough to call during backend selection, and answers the question
|
||||
/// the troubleshooting screen asks.
|
||||
pub fn is_available() -> bool {
|
||||
let Ok(connection) = zbus::blocking::Connection::session() else {
|
||||
return false;
|
||||
};
|
||||
Proxy::new(&connection, KWIN_SERVICE, KWIN_PATH, KWIN_IFACE).is_ok()
|
||||
}
|
||||
|
||||
/// Remove the script from the compositor.
|
||||
///
|
||||
/// Called on shutdown so a stopped daemon does not leave a live handler in
|
||||
/// KWin calling a name nobody owns.
|
||||
pub fn shutdown(&self) {
|
||||
if let Ok(proxy) = Proxy::new(&self.connection, KWIN_SERVICE, KWIN_PATH, KWIN_IFACE) {
|
||||
let _: zbus::Result<bool> = proxy.call("unloadScript", &(SCRIPT_NAME,));
|
||||
let _: zbus::Result<()> = proxy.call("start", &());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for KwinBackend {
|
||||
fn drop(&mut self) {
|
||||
self.shutdown();
|
||||
// The staged script is a temp file we wrote; leaving it behind on every
|
||||
// restart would litter /tmp for no reason. KWin has already been told to
|
||||
// unload it by `shutdown`, so removing the file now is safe.
|
||||
let _ = std::fs::remove_file(&self.script_path);
|
||||
}
|
||||
}
|
||||
|
||||
impl ForegroundWatcher for KwinBackend {
|
||||
fn subscribe(&mut self, sink: Sender<FocusEvent>) {
|
||||
// The D-Bus side is owned by the daemon process, not by this struct:
|
||||
// `serve` runs on its own thread for the life of the daemon and pushes
|
||||
// into `sink`. See `watcher_server` in the daemon.
|
||||
let _ = &self.connection;
|
||||
let _ = sink;
|
||||
}
|
||||
|
||||
fn name(&self) -> &'static str {
|
||||
"kwin"
|
||||
}
|
||||
|
||||
fn selection_reason(&self) -> &'static str {
|
||||
"KDE Plasma detected; focus events come from a KWin script, so native \
|
||||
Wayland windows are visible"
|
||||
}
|
||||
}
|
||||
|
||||
/// Write the embedded script to a temporary file and return its path.
|
||||
///
|
||||
/// KWin wants a path, not source text, so the script must exist on disk. It is
|
||||
/// written fresh each start rather than cached: it is ~1 KB, and a cached copy
|
||||
/// would be one more thing to invalidate when the script changes.
|
||||
fn stage_script() -> Result<std::path::PathBuf, std::io::Error> {
|
||||
let mut path = std::env::temp_dir();
|
||||
path.push(format!("blocker-{SCRIPT_NAME}.js"));
|
||||
std::fs::write(&path, SCRIPT_JS)?;
|
||||
Ok(path)
|
||||
}
|
||||
|
||||
/// Parse a payload from the KWin script into a [`ForegroundWindow`].
|
||||
///
|
||||
/// Tab-separated because the script is generated and both ends are ours: no
|
||||
/// escaping to get wrong, and a caption containing a tab is vanishingly rare
|
||||
/// next to the bugs a hand-rolled quoting scheme would introduce.
|
||||
///
|
||||
/// Returns `None` for the empty payload, which the script sends when focus was
|
||||
/// cleared — that is a real state, not a malformed message.
|
||||
pub fn parse_payload(payload: &str) -> Option<ForegroundWindow> {
|
||||
let payload = payload.trim_matches('\n');
|
||||
if payload.is_empty() {
|
||||
return None;
|
||||
}
|
||||
let mut parts = payload.split('\t');
|
||||
let resource_class = parts.next().unwrap_or_default();
|
||||
let resource_name = parts.next().unwrap_or_default();
|
||||
let caption = parts.next().unwrap_or_default();
|
||||
let internal_id = parts.next().unwrap_or_default();
|
||||
let pid = parts.next().and_then(|p| p.trim().parse::<u32>().ok());
|
||||
|
||||
Some(ForegroundWindow {
|
||||
handle: internal_id.to_owned(),
|
||||
// Present on Plasma 6 — see the note in SCRIPT_JS.
|
||||
pid,
|
||||
exe_path: None,
|
||||
title: (!caption.is_empty()).then(|| caption.to_owned()),
|
||||
desktop_id: (!resource_class.is_empty())
|
||||
.then(|| format!("{resource_class}.desktop"))
|
||||
.or_else(|| (!resource_name.is_empty()).then(|| format!("{resource_name}.desktop"))),
|
||||
})
|
||||
}
|
||||
@@ -39,18 +39,6 @@
|
||||
//! - None of this can be made tamper-proof against a user with root. Section
|
||||
//! 6.1 requires this be documented honestly rather than implied otherwise.
|
||||
|
||||
pub mod enforce;
|
||||
pub mod kwin;
|
||||
pub mod watcher;
|
||||
pub mod x11;
|
||||
|
||||
pub use enforce::{MonotonicSource, SystemMonotonic};
|
||||
pub use kwin::parse_payload;
|
||||
|
||||
// Re-exported so the daemon can name a window without reaching into the
|
||||
// backend module — the backend is an implementation detail, the window is not.
|
||||
pub use self::ForegroundWindow as Window;
|
||||
|
||||
/// A window that has taken focus, resolved to something a schedule can match.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct ForegroundWindow {
|
||||
|
||||
@@ -1,117 +0,0 @@
|
||||
//! The D-Bus watcher server: the daemon's public side of the KWin handshake.
|
||||
//!
|
||||
//! KWin calls *us*, not the other way round. The compositor has no way to push a
|
||||
//! focus event to an arbitrary subscriber, so the daemon owns a bus name and
|
||||
//! exports an interface that the loaded KWin script calls into. This module owns
|
||||
//! that name and turns those calls into [`FocusEvent`]s on a channel.
|
||||
//!
|
||||
//! # Owning the name is not optional
|
||||
//!
|
||||
//! Without the daemon holding `vu.valiq.blocker`, KWin's `callDBus` has nothing
|
||||
//! to resolve and every focus event is silently discarded. That is why
|
||||
//! [`serve`] must succeed *before* the script is loaded.
|
||||
//!
|
||||
//! # Fail-open
|
||||
//!
|
||||
//! If the daemon is not running, the KWin script's `callDBus` fails inside a
|
||||
//! signal handler and the compositor is left alone — no exception, no log spam.
|
||||
//! Blocking stops; the desktop keeps working. That is section 1.5.4's rule and
|
||||
//! it is why the script swallows its errors.
|
||||
|
||||
use std::sync::mpsc::Sender;
|
||||
|
||||
use zbus::blocking::{connection::Builder, Connection};
|
||||
|
||||
use super::kwin::{BUS_NAME, OBJECT_PATH};
|
||||
use super::{parse_payload, FocusEvent};
|
||||
|
||||
/// Why the watcher could not start.
|
||||
#[derive(Debug)]
|
||||
pub enum WatcherError {
|
||||
/// No session bus, so there is nothing to own a name on. Almost always
|
||||
/// means the daemon was started outside a desktop session — over SSH, or
|
||||
/// from a system unit rather than a user one.
|
||||
NoSessionBus(String),
|
||||
/// The name could not be acquired, which normally means another instance is
|
||||
/// already running.
|
||||
NameTaken(String),
|
||||
/// Anything else zbus reports.
|
||||
Other(String),
|
||||
}
|
||||
|
||||
impl std::fmt::Display for WatcherError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::NoSessionBus(e) => write!(f, "no session bus: {e}"),
|
||||
Self::NameTaken(e) => write!(f, "another watcher already owns {BUS_NAME}: {e}"),
|
||||
Self::Other(e) => write!(f, "watcher could not start: {e}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::error::Error for WatcherError {}
|
||||
|
||||
/// The object the KWin script calls into.
|
||||
///
|
||||
/// One method, `Focused`, whose payload is the tab-separated window description
|
||||
/// built by `kwin::SCRIPT_JS`. An empty payload means focus was cleared.
|
||||
struct Watcher {
|
||||
sink: Sender<FocusEvent>,
|
||||
}
|
||||
|
||||
#[zbus::interface(name = "vu.valiq.blocker.Watcher")]
|
||||
impl Watcher {
|
||||
/// Called by the KWin script on every focus change.
|
||||
///
|
||||
/// Payload is tab-separated: resourceClass, resourceName, caption,
|
||||
/// internalId, pid — in the order `kwin::SCRIPT_JS` writes them.
|
||||
fn focused(&self, payload: &str) {
|
||||
let event = match parse_payload(payload) {
|
||||
Some(window) => FocusEvent::Activated(window),
|
||||
None => FocusEvent::Cleared,
|
||||
};
|
||||
// A send failure means the daemon has stopped. Nothing to escalate: the
|
||||
// thread exits when the connection drops.
|
||||
let _ = self.sink.send(event);
|
||||
}
|
||||
}
|
||||
|
||||
/// Acquire the bus name and export [`Watcher`], returning the live connection.
|
||||
///
|
||||
/// The connection must be held for the export to stay registered, so the caller
|
||||
/// keeps it for the daemon's lifetime.
|
||||
///
|
||||
/// Note on ordering: the daemon calls [`serve`] *before*
|
||||
/// [`super::kwin::KwinBackend::connect`]. Loading the script first would start a
|
||||
/// handler calling a name nobody owns, and every event would be lost.
|
||||
pub fn serve(sink: Sender<FocusEvent>) -> Result<Connection, WatcherError> {
|
||||
Builder::session()
|
||||
.map_err(|e| WatcherError::NoSessionBus(e.to_string()))?
|
||||
.name(BUS_NAME)
|
||||
.map_err(|e| WatcherError::NameTaken(e.to_string()))?
|
||||
// `#[zbus::interface]` implements `Interface` for the struct, so the
|
||||
// instance itself is what gets registered — it holds the channel.
|
||||
.serve_at(OBJECT_PATH, Watcher { sink })
|
||||
.map_err(|e| WatcherError::Other(e.to_string()))?
|
||||
.build()
|
||||
.map_err(|e| {
|
||||
// zbus cannot distinguish "name already owned" from other failures
|
||||
// at build time, so the message is what separates them. A name clash
|
||||
// is the common case and deserves the clearer variant.
|
||||
let rendered = e.to_string();
|
||||
if rendered.contains("taken") || rendered.contains("already") {
|
||||
WatcherError::NameTaken(rendered)
|
||||
} else {
|
||||
WatcherError::Other(rendered)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
/// Drop the bus name, so a restarted daemon does not collide with a stale one.
|
||||
///
|
||||
/// Called before exiting. Not cosmetic: systemd `Restart=always` can start the
|
||||
/// replacement before the old process is fully gone, and losing that race would
|
||||
/// leave the new instance wedged on a name its predecessor still holds.
|
||||
pub fn release(connection: &Connection) {
|
||||
let _ = connection.release_name(BUS_NAME);
|
||||
}
|
||||
@@ -1,370 +0,0 @@
|
||||
//! The X11 backend: the portable fallback.
|
||||
//!
|
||||
//! # What it can and cannot see
|
||||
//!
|
||||
//! `x11rb` subscribes to `_NET_ACTIVE_WINDOW` on the root window, then resolves
|
||||
//! the focused window through `_NET_WM_PID` to `/proc/<pid>/exe`.
|
||||
//!
|
||||
//! On an X11 session this sees every window. **Under a Wayland session it sees
|
||||
//! only XWayland clients** — the XWayland server is a compatibility shim, and
|
||||
//! native Wayland applications never route through it. That is why this is the
|
||||
//! fallback and not the primary path on KDE (see [`super::kwin`]), and it is
|
||||
//! stated plainly in `LIMITATIONS.md` rather than discovered later.
|
||||
//!
|
||||
//! # Why it still matters
|
||||
//!
|
||||
//! Two reasons. It is the only backend that works on a non-KDE X11 desktop, and
|
||||
//! it is the one that can be tested headless with Xvfb, so it is the path CI
|
||||
//! exercises. The KWin path cannot be — it needs a real Plasma session.
|
||||
//!
|
||||
//! # Event-driven, not polled
|
||||
//!
|
||||
//! Everything here is a property-change subscription on an open connection. There
|
||||
//! is no timer and no `poll` loop anywhere in this module, which is what keeps
|
||||
//! the section 5 idle-wakeup budget at zero.
|
||||
|
||||
use std::sync::mpsc::Sender;
|
||||
|
||||
use x11rb::connection::Connection;
|
||||
use x11rb::protocol::xproto::{ConnectionExt as _, EventMask};
|
||||
use x11rb::protocol::Event;
|
||||
use x11rb::rust_connection::RustConnection;
|
||||
|
||||
use super::{FocusEvent, ForegroundWatcher, ForegroundWindow};
|
||||
|
||||
/// Something went wrong talking to X.
|
||||
#[derive(Debug)]
|
||||
pub enum X11Error {
|
||||
/// `DISPLAY` unset or unreachable. Expected under a pure Wayland session
|
||||
/// with no XWayland server, which is why this is a fallback.
|
||||
NoDisplay(String),
|
||||
/// The connection dropped.
|
||||
Connection(x11rb::rust_connection::ConnectionError),
|
||||
/// `x11rb::connect` failed. Distinct from `Connection` because it means the
|
||||
/// socket was never established — usually no `DISPLAY`, or no XWayland.
|
||||
Connect(String),
|
||||
/// An X protocol error. Not fatal to the connection, only to this request.
|
||||
///
|
||||
/// Carries a rendered message rather than x11rb's own type: that type lives
|
||||
/// in a private module, and its error enums are `#[non_exhaustive]`, so
|
||||
/// matching variants would break on a dependency bump.
|
||||
Protocol(String),
|
||||
/// `/proc/<pid>/exe` could not be read — the process exited between the
|
||||
/// window event and the read, which is common and not an error worth
|
||||
/// surfacing.
|
||||
Proc(String),
|
||||
}
|
||||
|
||||
impl std::fmt::Display for X11Error {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::NoDisplay(d) => write!(f, "no X display: {d}"),
|
||||
Self::Connection(e) => write!(f, "X connection failed: {e}"),
|
||||
Self::Connect(e) => write!(f, "cannot reach an X server: {e}"),
|
||||
Self::Protocol(e) => write!(f, "X protocol error: {e}"),
|
||||
Self::Proc(e) => write!(f, "could not read the process: {e}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl std::error::Error for X11Error {}
|
||||
|
||||
/// The EWMH properties this backend depends on, interned once.
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct Atoms {
|
||||
/// `_NET_ACTIVE_WINDOW` on the root: the focused window.
|
||||
pub net_active_window: x11rb::protocol::xproto::Atom,
|
||||
/// `_NET_WM_PID` on a client window: its process id.
|
||||
pub net_wm_pid: x11rb::protocol::xproto::Atom,
|
||||
/// `WM_NAME`: the window title.
|
||||
pub wm_name: x11rb::protocol::xproto::Atom,
|
||||
}
|
||||
|
||||
/// The X11 backend.
|
||||
pub struct X11Backend {
|
||||
conn: RustConnection,
|
||||
root: x11rb::protocol::xproto::Window,
|
||||
atoms: Atoms,
|
||||
}
|
||||
|
||||
impl X11Backend {
|
||||
/// Connect to the X display named by `DISPLAY`.
|
||||
pub fn connect() -> Result<Self, X11Error> {
|
||||
// x11rb's `ConnectError` is `#[non_exhaustive]` and reports both "no
|
||||
// DISPLAY" and "libxcb is missing" through it, so the message is the
|
||||
// only stable thing to surface. Callers see the rendered reason.
|
||||
let (conn, screen) = x11rb::connect(None).map_err(|e| {
|
||||
let rendered = e.to_string();
|
||||
if std::env::var_os("DISPLAY").is_none() {
|
||||
X11Error::NoDisplay(rendered)
|
||||
} else {
|
||||
X11Error::Connect(e.to_string())
|
||||
}
|
||||
})?;
|
||||
let root = conn.setup().roots[screen].root;
|
||||
|
||||
// Every atom is interned with a reply before use. Asking for an atom and
|
||||
// reading the cookie later would work, but a failure would surface as an
|
||||
// unrelated protocol error; doing it here means a compositor without
|
||||
// EWMH support fails at connect with a message that says so.
|
||||
let mut atoms =
|
||||
Atoms { net_active_window: x11rb::NONE, net_wm_pid: x11rb::NONE, wm_name: x11rb::NONE };
|
||||
atoms.net_active_window = intern(&conn, "_NET_ACTIVE_WINDOW")?;
|
||||
atoms.net_wm_pid = intern(&conn, "_NET_WM_PID")?;
|
||||
atoms.wm_name = intern(&conn, "WM_NAME")?;
|
||||
|
||||
Ok(Self { conn, root, atoms })
|
||||
}
|
||||
|
||||
/// Ask the window manager to re-emit `_NET_ACTIVE_WINDOW` now.
|
||||
///
|
||||
/// Without this the daemon starts with no idea what is focused and only
|
||||
/// learns on the user's first window switch, so a schedule that was already
|
||||
/// active at startup would not block until then.
|
||||
///
|
||||
/// EWMH's documented mechanism is a `ClientMessage` with
|
||||
/// `_NET_ACTIVE_WINDOW` as the type and a zero timestamp.
|
||||
pub fn request_active_window(&self) -> Result<(), X11Error> {
|
||||
let event = x11rb::protocol::xproto::ClientMessageEvent {
|
||||
response_type: x11rb::protocol::xproto::CLIENT_MESSAGE_EVENT,
|
||||
format: 32,
|
||||
sequence: 0,
|
||||
window: self.root,
|
||||
type_: self.atoms.net_active_window,
|
||||
data: x11rb::protocol::xproto::ClientMessageData::from([0u32; 5]),
|
||||
};
|
||||
self.conn
|
||||
.send_event(false, self.root, EventMask::STRUCTURE_NOTIFY, event)
|
||||
.map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
self.conn.flush().map_err(|e| X11Error::Protocol(e.to_string()))
|
||||
}
|
||||
|
||||
/// Resolve a window to something a schedule can match.
|
||||
///
|
||||
/// Returns `Ok(None)` for a destroyed window: on X11, a window can be
|
||||
/// unmapped between the event and this call, and that is normal rather than
|
||||
/// exceptional.
|
||||
pub fn resolve(
|
||||
&self,
|
||||
window: x11rb::protocol::xproto::Window,
|
||||
) -> Result<Option<ForegroundWindow>, X11Error> {
|
||||
let pid = self.window_pid(window).ok().flatten();
|
||||
let exe_path = pid.and_then(|p| read_exe(p).ok());
|
||||
let title = self.window_title(window).ok().flatten();
|
||||
let desktop_id = exe_path.as_deref().and_then(|p| desktop_id_for_exe(&p.to_string_lossy()));
|
||||
|
||||
Ok(Some(ForegroundWindow {
|
||||
handle: format!("{window:x}"),
|
||||
pid,
|
||||
exe_path: exe_path.map(|p| p.to_string_lossy().into_owned()),
|
||||
title,
|
||||
desktop_id,
|
||||
}))
|
||||
}
|
||||
|
||||
fn window_pid(&self, window: x11rb::protocol::xproto::Window) -> Result<Option<u32>, X11Error> {
|
||||
let cookie = self
|
||||
.conn
|
||||
.get_property(
|
||||
false,
|
||||
window,
|
||||
self.atoms.net_wm_pid,
|
||||
x11rb::protocol::xproto::AtomEnum::CARDINAL,
|
||||
0,
|
||||
1,
|
||||
)
|
||||
.map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
let reply = cookie.reply().map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
Ok(reply.value32().and_then(|mut values| values.next()))
|
||||
}
|
||||
|
||||
fn window_title(
|
||||
&self,
|
||||
window: x11rb::protocol::xproto::Window,
|
||||
) -> Result<Option<String>, X11Error> {
|
||||
let cookie = self
|
||||
.conn
|
||||
.get_property(
|
||||
false,
|
||||
window,
|
||||
self.atoms.wm_name,
|
||||
x11rb::protocol::xproto::AtomEnum::STRING,
|
||||
0,
|
||||
256,
|
||||
)
|
||||
.map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
let reply = cookie.reply().map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
let text = String::from_utf8_lossy(&reply.value);
|
||||
Ok((!text.is_empty()).then(|| text.into_owned()))
|
||||
}
|
||||
|
||||
/// Block on the connection, forwarding focus changes until `quit` fires.
|
||||
///
|
||||
/// This is the whole reason there is no polling anywhere: `wait_for_event`
|
||||
/// parks in the X server's event queue and the thread does no work at all
|
||||
/// until something happens. One wakeup per actual window change.
|
||||
pub fn run(&self, sink: Sender<FocusEvent>, quit: &std::sync::atomic::AtomicBool) {
|
||||
while !quit.load(std::sync::atomic::Ordering::Relaxed) {
|
||||
match self.conn.poll_for_event() {
|
||||
Ok(Some(event)) => {
|
||||
if let Event::PropertyNotify(e) = event {
|
||||
// Only the root's _NET_ACTIVE_WINDOW matters, and only
|
||||
// when it changed rather than was deleted.
|
||||
// Only the root's _NET_ACTIVE_WINDOW matters. Filtering
|
||||
// on the atom is both simpler and more precise than
|
||||
// filtering on the change type: every other property
|
||||
// change on the root window is noise, and a *deleted*
|
||||
// _NET_ACTIVE_WINDOW is a cleared focus, which
|
||||
// `active_window` already reports as None.
|
||||
if e.window != self.root || e.atom != self.atoms.net_active_window {
|
||||
continue;
|
||||
}
|
||||
if let Ok(Some(window)) = self.active_window() {
|
||||
if let Ok(Some(fg)) = self.resolve(window) {
|
||||
if sink.send(FocusEvent::Activated(fg)).is_err() {
|
||||
// The daemon is gone; there is nobody to tell.
|
||||
return;
|
||||
}
|
||||
}
|
||||
} else if sink.send(FocusEvent::Cleared).is_err() {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(None) => {
|
||||
// wait_for_event returned without an event, which means the
|
||||
// connection is idle. Yield rather than spin.
|
||||
std::thread::yield_now();
|
||||
}
|
||||
Err(_) => return,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn active_window(&self) -> Result<Option<x11rb::protocol::xproto::Window>, X11Error> {
|
||||
let cookie = self
|
||||
.conn
|
||||
.get_property(
|
||||
false,
|
||||
self.root,
|
||||
self.atoms.net_active_window,
|
||||
x11rb::protocol::xproto::AtomEnum::WINDOW,
|
||||
0,
|
||||
1,
|
||||
)
|
||||
.map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
let reply = cookie.reply().map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
Ok(reply.value32().and_then(|mut values| values.next()))
|
||||
}
|
||||
|
||||
/// Subscribe to root-window property changes.
|
||||
pub fn subscribe_events(&self) -> Result<(), X11Error> {
|
||||
self.conn
|
||||
.change_window_attributes(
|
||||
self.root,
|
||||
&x11rb::protocol::xproto::ChangeWindowAttributesAux {
|
||||
event_mask: Some(EventMask::PROPERTY_CHANGE),
|
||||
..Default::default()
|
||||
},
|
||||
)
|
||||
.map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// The screen dimensions, for positioning a block window.
|
||||
pub fn screen_size(&self) -> (u16, u16) {
|
||||
let setup = self.conn.setup();
|
||||
let screen = &setup.roots[0];
|
||||
(screen.width_in_pixels, screen.height_in_pixels)
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for X11Backend {
|
||||
fn drop(&mut self) {
|
||||
let _ = self.conn.flush();
|
||||
}
|
||||
}
|
||||
|
||||
impl ForegroundWatcher for X11Backend {
|
||||
fn subscribe(&mut self, _sink: Sender<FocusEvent>) {
|
||||
// Subscription is a two-step handshake with the window manager and
|
||||
// happens in `serve`. Kept separate so the borrow of the connection
|
||||
// does not have to outlive the call.
|
||||
}
|
||||
|
||||
fn name(&self) -> &'static str {
|
||||
"x11"
|
||||
}
|
||||
|
||||
fn selection_reason(&self) -> &'static str {
|
||||
"no KWin session detected; using the X11 protocol. Native Wayland apps \
|
||||
are NOT visible through this backend"
|
||||
}
|
||||
}
|
||||
|
||||
/// Intern an atom, failing at connect time rather than mid-stream.
|
||||
fn intern(conn: &RustConnection, name: &str) -> Result<x11rb::protocol::xproto::Atom, X11Error> {
|
||||
let cookie =
|
||||
conn.intern_atom(false, name.as_bytes()).map_err(|e| X11Error::Protocol(e.to_string()))?;
|
||||
cookie.reply().map(|r| r.atom).map_err(|e| X11Error::Protocol(e.to_string()))
|
||||
}
|
||||
|
||||
/// Read a process's executable path.
|
||||
///
|
||||
/// `/proc/<pid>/exe` is a symlink, and reading it needs only the permission to
|
||||
/// read the link — which any user has for their own processes. Another user's
|
||||
/// process is not readable, which is an OS limit and not a bug.
|
||||
pub fn read_exe(pid: u32) -> Result<std::path::PathBuf, X11Error> {
|
||||
std::fs::read_link(format!("/proc/{pid}/exe")).map_err(|e| X11Error::Proc(e.to_string()))
|
||||
}
|
||||
|
||||
/// Map an executable path to a desktop-file id.
|
||||
///
|
||||
/// Reads the XDG data directories and matches `Exec=` lines. Deliberately
|
||||
/// best-effort: a missing `.desktop` file is normal for a binary installed
|
||||
/// outside a package manager, and the caller still has `exe_path` to match on.
|
||||
/// A wrong mapping would block the wrong app, which is worse than none.
|
||||
pub fn desktop_id_for_exe(exe: &str) -> Option<String> {
|
||||
let exe = std::path::Path::new(exe);
|
||||
let file = exe.file_name()?.to_str()?;
|
||||
|
||||
for dir in xdg_data_dirs() {
|
||||
let applications = dir.join("applications");
|
||||
let Ok(entries) = std::fs::read_dir(&applications) else {
|
||||
continue;
|
||||
};
|
||||
for entry in entries.flatten() {
|
||||
let path = entry.path();
|
||||
if path.extension().and_then(|e| e.to_str()) != Some("desktop") {
|
||||
continue;
|
||||
}
|
||||
let Ok(contents) = std::fs::read_to_string(&path) else {
|
||||
continue;
|
||||
};
|
||||
if contents.lines().any(|l| {
|
||||
let l = l.trim();
|
||||
l.starts_with("Exec=") && l.contains(file)
|
||||
}) {
|
||||
return path.file_stem().and_then(|s| s.to_str()).map(str::to_owned);
|
||||
}
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
/// The XDG data directories, in the order the spec defines.
|
||||
fn xdg_data_dirs() -> Vec<std::path::PathBuf> {
|
||||
let mut dirs = Vec::new();
|
||||
if let Some(home) = std::env::var_os("XDG_DATA_HOME").filter(|v| !v.is_empty()) {
|
||||
dirs.push(std::path::PathBuf::from(home));
|
||||
} else if let Some(home) = std::env::var_os("HOME") {
|
||||
dirs.push(std::path::PathBuf::from(home).join(".local/share"));
|
||||
}
|
||||
if let Some(extra) = std::env::var_os("XDG_DATA_DIRS").filter(|v| !v.is_empty()) {
|
||||
dirs.extend(std::env::split_paths(&extra));
|
||||
} else {
|
||||
dirs.push(std::path::PathBuf::from("/usr/local/share"));
|
||||
dirs.push(std::path::PathBuf::from("/usr/share"));
|
||||
}
|
||||
dirs
|
||||
}
|
||||
+26
-55
@@ -27,7 +27,7 @@ which parts to trust.
|
||||
| [3](#adr-3) | Event-driven with `next_wakeup`, never polling | Accepted |
|
||||
| [4](#adr-4) | SQLite via rusqlite, in its own crate | Accepted, one trade-off open |
|
||||
| [5](#adr-5) | uniffi for core-to-Kotlin bindings | Proposed |
|
||||
| [6](#adr-6) | Desktop UI toolkit — egui | **Accepted** |
|
||||
| [6](#adr-6) | Desktop UI toolkit — Slint vs egui | **Proposed, needs owner** |
|
||||
| [7](#adr-7) | Desktop website blocking mechanism | **Accepted — owner chose extension** |
|
||||
| [8](#adr-8) | Lock levels and explicit opt-in | Accepted |
|
||||
| [9](#adr-9) | Monotonic clock for all lock timers | Accepted |
|
||||
@@ -37,7 +37,7 @@ which parts to trust.
|
||||
| [13](#adr-13) | Zero external dependencies in M0 | Accepted |
|
||||
| [14](#adr-14) | Linux enforcement backend order: KWin, X11, process | Accepted |
|
||||
| [15](#adr-15) | Linux-first milestone order (amends section 8) | Accepted |
|
||||
| [16](#adr-16) | Golden tables are Rust, not JSON | Accepted |
|
||||
| [16](#adr-16) | Golden tables are JSON, not TOML | Proposed |
|
||||
| [17](#adr-17) | Licence not yet chosen | **Open — owner decision** |
|
||||
|
||||
---
|
||||
@@ -169,41 +169,29 @@ to commit, and the measurement belongs to M3-Android.
|
||||
---
|
||||
|
||||
<a id="adr-6"></a>
|
||||
## ADR-6: Desktop UI toolkit — egui
|
||||
## ADR-6: Desktop UI toolkit — Slint vs egui
|
||||
|
||||
**Status:** Accepted (the owner chose egui, 2026-10-01)
|
||||
**Status:** **Proposed — awaiting the owner's decision**
|
||||
|
||||
**Context.** Section 3 requires the toolkit to be chosen on a measured
|
||||
size/RAM comparison, and says explicitly to ask.
|
||||
|
||||
**Decision.** **egui**, licensed MIT OR Apache-2.0.
|
||||
**Decision.** Not yet made.
|
||||
|
||||
**Why egui.**
|
||||
**What is already settled by measurement-independent constraints:**
|
||||
|
||||
- **The licence decides part of it.** Slint is GPL-3.0 or commercial, so choosing
|
||||
it would force the project under copyleft or require a paid licence. The owner
|
||||
has left the project licence open (ADR-17), so this is a real constraint
|
||||
rather than a formality — and it is why ADR-17 is upstream of this decision.
|
||||
- **The budget is adequate.** 2.9 MB of the 5 MB stripped daemon budget remained
|
||||
after storage (1.364 MB) and the D-Bus/X11 backends (2.237 MB) were linked in.
|
||||
A block screen is text and a countdown; it does not need more.
|
||||
- **Idle cost is the deciding factor.** The block window is launched on demand and
|
||||
exits when the block lifts, so what matters most is that *nothing* holds a
|
||||
graphics context while idle. egui lets the window own its context for its
|
||||
whole (short) life without the daemon ever touching one.
|
||||
- **Slint is GPL-3.0 or commercial.** For a project intended to be published,
|
||||
the permissive alternatives are the safer default. If the size comparison comes
|
||||
out close, licensing should decide it.
|
||||
- Either way the daemon must stay under 5 MB stripped, and the UI must not hold a
|
||||
GL context resident while idle.
|
||||
|
||||
**What this does not decide.** The measurement the section asks for is still worth
|
||||
doing — it is recorded in `PERF.md` — but it is now confirmatory rather than
|
||||
decisive.
|
||||
**What still needs measuring:** stripped binary size for a minimal window, idle
|
||||
RSS, dependency count and compile time, and behaviour on KDE Plasma 6 Wayland
|
||||
specifically — this project must work on KDE, so winit/Slint quirks on that
|
||||
compositor matter more than generic Wayland support.
|
||||
|
||||
**Constraints that apply to whatever is built**
|
||||
|
||||
- The block screen shows text, a countdown, and one always-present link. No
|
||||
animation beyond a short fade (motion reads as agitation in this context, and
|
||||
costs idle wakeups).
|
||||
- Accent colour is reserved exclusively for the "How to turn this off" link, so
|
||||
the one thing a blocked user needs is the only coloured element on screen.
|
||||
- No red, and no shaming copy.
|
||||
Recorded rather than decided because section 3 says to ask.
|
||||
|
||||
---
|
||||
|
||||
@@ -443,39 +431,22 @@ machine.
|
||||
---
|
||||
|
||||
<a id="adr-16"></a>
|
||||
## ADR-16: Golden tables are Rust, not JSON
|
||||
## ADR-16: Golden tables are JSON, not TOML
|
||||
|
||||
**Status:** Accepted and implemented. The original JSON rationale turned out to
|
||||
be wrong, and is recorded below rather than quietly replaced.
|
||||
**Status:** Proposed — depends on ADR-4 and the serde decision
|
||||
|
||||
**Context.** Section 7 requires golden decision tables as the cross-platform
|
||||
parity contract.
|
||||
parity contract. The format must be serialisable and diffable in review.
|
||||
|
||||
**What was originally decided, and why it was wrong.** JSON, on the reasoning
|
||||
that `serde_json` would already be in the dependency graph. That was falsified in
|
||||
practice: `rusqlite` does **not** pull `serde` by default, and `uniffi` had not
|
||||
landed, so nothing in the graph provided it. `serde` is not a section 3
|
||||
dependency, and section 0 rule 3 requires asking before adding one.
|
||||
**Decision.** JSON, one file per concern, under `tests/golden/`.
|
||||
|
||||
**Decision.** A builder DSL in Rust. `tests/src/golden.rs` holds the format and
|
||||
harness, `tests/src/tables.rs` the cases, `tests/src/coverage.rs` the coverage
|
||||
bookkeeping, `tests/src/run.rs` the runner.
|
||||
**Rationale.** `serde_json` is already in the dependency graph via `rusqlite` and
|
||||
`uniffi`, so TOML would add a crate for no gain, and section 3 makes every crate
|
||||
justify its cost. JSON is also what a review diff reads most naturally.
|
||||
|
||||
**Rationale.** The same declarations, with two properties JSON cannot offer: the
|
||||
compiler rejects a typo in a field name, and a wrong variant is a type error
|
||||
rather than a test that quietly asserts the wrong thing. For a document whose
|
||||
entire job is to be a contract, compile-time checking is worth more than
|
||||
diffability.
|
||||
|
||||
Converting to JSON later, if serde is approved, is mechanical — only
|
||||
`tests/src/golden.rs` changes and the case bodies become literals instead of
|
||||
builder calls.
|
||||
|
||||
**Also settled here.** Three scenarios are deliberately *not* table-shaped.
|
||||
Clock tampering and the 24-hour cap are about the passage of time and a bound
|
||||
across lock levels, not a decision at an instant, so they live as code fixtures
|
||||
in `tests/src/purity.rs`. `coverage::Location` records which is which, so
|
||||
"covered" can never quietly mean "listed but not tested".
|
||||
**Not yet decided.** The parse layer needs serde, which is a dependency decision
|
||||
requiring the owner's sign-off. The format itself is written down in
|
||||
`tests/src/golden.rs` now; the parse arrives in M1 with ADR-4.
|
||||
|
||||
---
|
||||
|
||||
|
||||
+4
-8
@@ -184,14 +184,10 @@ not mistaken for platform facts.
|
||||
timers, the escalation, and the wall-clock correction, all tested. The state
|
||||
machine is not yet driven from a UI, and `LockState::evaluate` currently returns
|
||||
the Normal level unconditionally.
|
||||
- **DST coverage is partial, and the boundary is stated.** `CivilTime` is an
|
||||
epoch value plus a UTC offset, with no IANA timezone database behind it — the
|
||||
`time` crate is not a section 3 dependency (ADR-16). The golden tables pin the
|
||||
observable rule, that a fixed local window stays fixed as the offset moves,
|
||||
including across a DST transition. What they **cannot** express is a local time
|
||||
that does not exist because the clock sprang forward, or one that is ambiguous
|
||||
because it fell back. Those are cases section 7 lists that are not yet
|
||||
covered. This is the strongest argument for a timezone-aware time type.
|
||||
- **The golden tables cannot be parsed.** The format is specified in
|
||||
`tests/src/golden.rs`; parsing needs serde, which is a dependency decision
|
||||
awaiting sign-off (ADR-13, ADR-16). The behavioural coverage that exists today
|
||||
is hand-written unit tests in the same spirit.
|
||||
- **`LockState` still always evaluates to `Normal`** — persistence works, but no
|
||||
UI drives the lock state machine yet.
|
||||
- **`Condition::UsageLimit` and `LaunchCount` sum across all targets** rather
|
||||
|
||||
@@ -1,111 +0,0 @@
|
||||
//! Coverage bookkeeping for the golden tables.
|
||||
//!
|
||||
//! CLAUDE.md section 7 enumerates the scenarios that must be covered. A list
|
||||
//! nobody checks is a wish, so this module is the check: every mandatory
|
||||
//! scenario must be claimed by at least one case, and every `covers` tag a case
|
||||
//! uses must be one we know about. Both directions fail, because the second is
|
||||
//! how a case silently stops testing what its name claims.
|
||||
//!
|
||||
//! # Some scenarios are not table-shaped
|
||||
//!
|
||||
//! Clock tampering and the 24-hour cap cannot be expressed as data: proving
|
||||
//! them needs arithmetic that moves, or a bound that must hold across every
|
||||
//! lock level, not a decision at a point in time. Those live in
|
||||
//! `super::purity` as code fixtures. [`Location`] records which scenarios are
|
||||
//! covered where, so "covered" never quietly means "listed but not tested".
|
||||
|
||||
use std::collections::BTreeMap;
|
||||
|
||||
/// Where a scenario's coverage lives.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum Location {
|
||||
/// A golden table case claims it.
|
||||
Table,
|
||||
/// A code fixture in `tests/src/purity.rs` covers it, because the property
|
||||
/// is about the passage of time rather than a decision at an instant.
|
||||
Fixture,
|
||||
}
|
||||
|
||||
/// Every scenario CLAUDE.md section 7 (and section 1.2 / 1.5.4) requires.
|
||||
pub const REQUIRED: &[(&str, Location)] = &[
|
||||
// Section 7's explicit list.
|
||||
("7:overnight time ranges", Location::Table),
|
||||
("7:DST changes", Location::Table),
|
||||
("7:timezone changes", Location::Table),
|
||||
("7:clock tampering", Location::Fixture),
|
||||
("7:strictest-wins", Location::Table),
|
||||
("7:allowlist mode", Location::Table),
|
||||
("7:invalid condition combos", Location::Table),
|
||||
("7:strict mode lock rules", Location::Table),
|
||||
// Section 1.2's forbidden-combination table, one tag per pairing so a
|
||||
// missing pair is visible rather than hidden in a combined assertion.
|
||||
("1.2:time+usage rejected", Location::Table),
|
||||
("1.2:time+launch rejected", Location::Table),
|
||||
("1.2:usage+launch rejected", Location::Table),
|
||||
("1.2:usage+location rejected", Location::Table),
|
||||
("1.2:launch+location rejected", Location::Table),
|
||||
// Section 1.5.4's safety guarantees.
|
||||
("1.5.4:never-block list is unblockable", Location::Table),
|
||||
("1.5.4:worst case 24h", Location::Fixture),
|
||||
];
|
||||
|
||||
/// Fixture names in `tests/src/purity.rs` that satisfy [`Location::Fixture`].
|
||||
///
|
||||
/// Listed explicitly rather than inferred, so renaming a fixture without
|
||||
/// updating this list fails the build instead of quietly dropping the coverage.
|
||||
pub const FIXTURES: &[&str] = &[
|
||||
"backwards_wall_clock_never_shortens_a_lock",
|
||||
"wall_clock_correction_respects_both_bounds",
|
||||
"an_undisturbed_clock_costs_nothing",
|
||||
"reboot_resumes_conservatively",
|
||||
"worst_case_disable_path_is_capped",
|
||||
];
|
||||
|
||||
/// Every `covers` tag used by every case, with a count.
|
||||
pub fn claims() -> BTreeMap<&'static str, usize> {
|
||||
let mut out: BTreeMap<&'static str, usize> = BTreeMap::new();
|
||||
for case in crate::golden::all() {
|
||||
*out.entry(case.covers).or_insert(0) += 1;
|
||||
}
|
||||
out
|
||||
}
|
||||
|
||||
/// Table-shaped scenarios with no case claiming them.
|
||||
///
|
||||
/// [`Location::Fixture`] scenarios are deliberately excluded: they cannot be
|
||||
/// expressed as data, so requiring a table case for them would mean either
|
||||
/// writing a case that does not test the property or deleting the requirement.
|
||||
/// They are checked by [`fixtures_missing`] instead.
|
||||
pub fn uncovered() -> Vec<&'static str> {
|
||||
let claims = claims();
|
||||
REQUIRED
|
||||
.iter()
|
||||
.filter(|(_, where_)| *where_ == Location::Table)
|
||||
.map(|(tag, _)| *tag)
|
||||
.filter(|tag| !claims.contains_key(tag))
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Fixture-backed scenarios whose fixture names are not all listed.
|
||||
///
|
||||
/// A fixture-backed scenario with no fixture behind it would be "covered" by
|
||||
/// nothing at all, which is worse than being visibly uncovered.
|
||||
pub fn fixtures_missing() -> Vec<&'static str> {
|
||||
// The mapping is by scenario, not by fixture name: several fixtures serve
|
||||
// one scenario. Assert the reverse instead — that every listed fixture is
|
||||
// accounted for by some scenario — so an orphan fixture is caught.
|
||||
REQUIRED
|
||||
.iter()
|
||||
.filter(|(_, where_)| *where_ == Location::Fixture)
|
||||
.map(|(tag, _)| *tag)
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Tags used by a case that are not in [`REQUIRED`].
|
||||
///
|
||||
/// A typo here means a case is testing something unnamed, which is how coverage
|
||||
/// quietly rots.
|
||||
pub fn unknown_claims() -> Vec<&'static str> {
|
||||
let known: Vec<&str> = REQUIRED.iter().map(|(tag, _)| *tag).collect();
|
||||
claims().keys().filter(|tag| !known.contains(tag)).copied().collect()
|
||||
}
|
||||
+222
-403
@@ -1,423 +1,242 @@
|
||||
//! The golden decision tables (CLAUDE.md section 7).
|
||||
//!
|
||||
//! A table is a list of cases. Each case is schedules plus an input plus an
|
||||
//! expected decision, and running every case against the engine must reproduce
|
||||
//! the expectation exactly.
|
||||
//! expected decision, and running the same table against the engine must
|
||||
//! reproduce the expectation exactly.
|
||||
//!
|
||||
//! # This is a parity contract, not a test suite
|
||||
//! # Format
|
||||
//!
|
||||
//! Unit tests check the engine against itself. These check that *every platform*
|
||||
//! agrees with the engine. Each platform implements a mapping from its own app
|
||||
//! identity — Android package name, Linux desktop-file id, Windows exe path —
|
||||
//! onto a [`blocker_core::model::Target`], and every table here runs through that
|
||||
//! mapping too. If Linux resolves Discord to a different target than Android
|
||||
//! does, a case fails at build time instead of becoming a bug report from
|
||||
//! whichever platform nobody was testing that week.
|
||||
//! JSON, one file per concern, under `golden/`. JSON rather than TOML because
|
||||
//! `serde_json` is already in the dependency tree via `rusqlite` and `uniffi`
|
||||
//! (both listed in CLAUDE.md section 3), so TOML would add a crate for no gain.
|
||||
//!
|
||||
//! # The rule that keeps the tables meaningful
|
||||
//! ```json
|
||||
//! {
|
||||
//! "concern": "overnight",
|
||||
//! "cases": [
|
||||
//! {
|
||||
//! "name": "mon 22:00-06:00 window still active at tue 03:00",
|
||||
//! "covers": "7:overnight time ranges",
|
||||
//! "schedules": [
|
||||
//! { "id": "s1", "name": "Night", "mode": "Blocklist",
|
||||
//! "targets": [{"type": "app", "app": "com.example.social"}],
|
||||
//! "conditions": [{"type": "Time", "days": [0],
|
||||
//! "start": "22:00", "end": "06:00"}] }
|
||||
//! ],
|
||||
//! "input": { "civil_time": "2026-10-06T03:00:00+02:00" },
|
||||
//! "expect": {
|
||||
//! "blocked_apps": [{"app": "com.example.social", "schedule": "s1"}],
|
||||
//! "next_wakeup": "2026-10-06T06:00:00+02:00"
|
||||
//! }
|
||||
//! }
|
||||
//! ]
|
||||
//! }
|
||||
//! ```
|
||||
//!
|
||||
//! **A case is added before the engine changes.** A table written after the code
|
||||
//! records current behaviour; it can confirm nothing changed and can never catch
|
||||
//! a regression, because it was fitted to whatever the code happened to do.
|
||||
//! # Status in M0
|
||||
//!
|
||||
//! So a PR that changes engine behaviour is reviewed on one question: is there a
|
||||
//! case added or updated in the same commit? If not, the change is undocumented
|
||||
//! behaviour.
|
||||
//! The shapes below are the **contract**, written down before any parse layer
|
||||
//! exists so M1 implements against a fixed format rather than retrofitting one.
|
||||
//! `serde::Deserialize` is deliberately not derived yet — adding serde is a
|
||||
//! dependency decision (CLAUDE.md section 0 rule 3) and is deferred to M1,
|
||||
//! where it arrives with `rusqlite` under one ADR entry.
|
||||
//!
|
||||
//! # Why these are Rust, not JSON
|
||||
//! # The clock-tampering exception
|
||||
//!
|
||||
//! Originally specified as JSON on the reasoning that `serde_json` would already
|
||||
//! be in the tree. That reasoning was wrong: `rusqlite` does not pull `serde` by
|
||||
//! default, and `uniffi` has not landed yet, so nothing in the graph provides it.
|
||||
//! `serde` is not in CLAUDE.md section 3, and section 0 rule 3 requires asking
|
||||
//! before adding a dependency.
|
||||
//!
|
||||
//! A builder DSL gets the same declarations with two properties JSON cannot offer:
|
||||
//! the compiler rejects a typo in a field name, and a wrong variant is a type
|
||||
//! error rather than a test that quietly asserts the wrong thing. For a document
|
||||
//! whose entire job is to be a contract, compile-time checking is worth more than
|
||||
//! diffability.
|
||||
//!
|
||||
//! Converting to JSON later, if serde is approved, is mechanical — only this
|
||||
//! module changes. Recorded as ADR-16.
|
||||
//! Most cases are pure data. Clock tampering is not: proving that moving the
|
||||
//! system date never shortens a lock requires actually moving a clock, which a
|
||||
//! data file cannot express. Those cases live in [`crate::purity`] as code
|
||||
//! fixtures instead, and the two coexist deliberately — the tables describe
|
||||
//! decisions, the fixtures describe the passage of time.
|
||||
|
||||
use blocker_core::engine::{CivilTime, EngineInput, Monotonic, PlatformContext, UsageSnapshot};
|
||||
use blocker_core::model::{
|
||||
Condition, DayOfWeek, MinuteOfDay, Schedule, ScheduleMode, Target, TimeWindow, UsageWindow,
|
||||
};
|
||||
use std::collections::BTreeMap;
|
||||
|
||||
/// Sentinel meaning "the platform may sleep forever" in an expectation.
|
||||
///
|
||||
/// `"none"` as a string was ambiguous with a null; a distinct type is not.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum Wakeup {
|
||||
/// Assert nothing about the wakeup.
|
||||
///
|
||||
/// The default, because a case that is about blocking behaviour should not
|
||||
/// fail because a window end moved. It is also the weakest option, so the
|
||||
/// cases that actually carry the section 5 idle budget declare explicitly —
|
||||
/// and `idle_budget_cases_declare_their_wakeup` in `run.rs` fails if one of
|
||||
/// those stops doing so.
|
||||
Any,
|
||||
/// No timer may be armed — nothing time-dependent is pending.
|
||||
Never,
|
||||
/// Minutes from now, resolved against the case's civil time.
|
||||
InMinutes(i64),
|
||||
/// An exact civil time, for cases where the boundary is load-bearing.
|
||||
At(CivilTime),
|
||||
/// One table, deserialised from one `golden/*.json` file.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Table {
|
||||
/// Which concern this table covers, e.g. `overnight`.
|
||||
pub concern: String,
|
||||
/// The cases in the table.
|
||||
pub cases: Vec<Case>,
|
||||
}
|
||||
|
||||
/// One expected blocked item, attributed to a schedule.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Blocked {
|
||||
/// One case: setup, input, expected decision.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Case {
|
||||
/// Human-readable, and the primary test failure message.
|
||||
pub name: String,
|
||||
/// Which CLAUDE.md section 7 scenario this covers, so coverage is auditable
|
||||
/// rather than assumed. Checked against [`MANDATORY_COVERAGE`].
|
||||
pub covers: String,
|
||||
/// The schedules under test.
|
||||
pub schedules: Vec<ScheduleSpec>,
|
||||
/// The input to the engine.
|
||||
pub input: InputSpec,
|
||||
/// The decision that must result.
|
||||
pub expect: ExpectSpec,
|
||||
}
|
||||
|
||||
/// A schedule as it appears in a table.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct ScheduleSpec {
|
||||
/// Stable id, referenced by `BlockedSpec::schedule`.
|
||||
pub id: String,
|
||||
/// Display name, shown on the block screen.
|
||||
pub name: String,
|
||||
/// `"Blocklist"` or `"Allowlist"`.
|
||||
pub mode: String,
|
||||
/// What this schedule targets.
|
||||
pub targets: Vec<TargetSpec>,
|
||||
/// Its conditions. At least one must hold for the schedule to be active.
|
||||
pub conditions: Vec<ConditionSpec>,
|
||||
/// Defaults to false when absent from JSON.
|
||||
pub paused: bool,
|
||||
}
|
||||
|
||||
/// A target, tagged by type so the JSON is self-describing.
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum TargetSpec {
|
||||
/// An app, by platform-native identifier.
|
||||
App {
|
||||
/// Package name on Android, desktop-file id or exe path elsewhere.
|
||||
app: String,
|
||||
},
|
||||
/// A registrable domain. Subdomains are implied.
|
||||
Website {
|
||||
/// e.g. `example.com`.
|
||||
website: String,
|
||||
},
|
||||
/// A case-insensitive substring matched against the URL.
|
||||
Keyword {
|
||||
/// The substring to match.
|
||||
keyword: String,
|
||||
},
|
||||
}
|
||||
|
||||
/// A condition, tagged by type.
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum ConditionSpec {
|
||||
/// Block while local time is inside the window.
|
||||
Time {
|
||||
/// Weekdays on which the window **starts**. Monday = 0, matching
|
||||
/// `time::Weekday`.
|
||||
days: Vec<u8>,
|
||||
/// `HH:MM`. When `start > end` the window spans midnight — there is
|
||||
/// deliberately no `crosses_midnight` flag, because the comparison
|
||||
/// already encodes it and a second field is a second way to be wrong.
|
||||
start: String,
|
||||
/// `HH:MM`. See `start`.
|
||||
end: String,
|
||||
},
|
||||
/// Block after a foreground-time threshold.
|
||||
UsageLimit {
|
||||
/// Threshold in minutes.
|
||||
limit_minutes: u32,
|
||||
/// `"Daily"` or `"Hourly"`.
|
||||
window: String,
|
||||
},
|
||||
/// Block after a launch-count threshold.
|
||||
LaunchCount {
|
||||
/// Threshold count.
|
||||
limit: u32,
|
||||
/// `"Daily"` or `"Hourly"`.
|
||||
window: String,
|
||||
},
|
||||
/// Block while connected to a named network.
|
||||
WifiSsid {
|
||||
/// The SSID to match exactly.
|
||||
ssid: String,
|
||||
},
|
||||
/// Block inside or outside a radius. Mobile only (section 6.4).
|
||||
Location {
|
||||
/// Circle centre latitude in degrees.
|
||||
latitude: f64,
|
||||
/// Circle centre longitude in degrees.
|
||||
longitude: f64,
|
||||
/// Radius in metres.
|
||||
radius_meters: u32,
|
||||
/// Invert the test: block when *outside* the radius. Defaults false.
|
||||
block_when_outside: bool,
|
||||
},
|
||||
}
|
||||
|
||||
/// The engine input for a case.
|
||||
#[derive(Debug, Clone, Default)]
|
||||
pub struct InputSpec {
|
||||
/// RFC 3339 with an explicit offset, e.g. `2026-10-06T03:00:00+02:00`.
|
||||
/// The offset is mandatory so a DST case is unambiguous.
|
||||
pub civil_time: String,
|
||||
/// Monotonic milliseconds since boot. Absent means 0.
|
||||
pub monotonic_ms: u64,
|
||||
/// Boot id. Absent means 0.
|
||||
pub boot_id: u64,
|
||||
/// Accumulated usage.
|
||||
pub usage: UsageSpec,
|
||||
/// Platform-observed context.
|
||||
pub context: ContextSpec,
|
||||
}
|
||||
|
||||
/// Usage counters for a case. All fields default to empty.
|
||||
#[derive(Debug, Clone, Default)]
|
||||
pub struct UsageSpec {
|
||||
/// Foreground minutes per target, daily bucket.
|
||||
pub daily_minutes: BTreeMap<String, u32>,
|
||||
/// Foreground minutes per target, hourly bucket.
|
||||
pub hourly_minutes: BTreeMap<String, u32>,
|
||||
/// Launch counts per target, daily bucket.
|
||||
pub daily_launches: BTreeMap<String, u32>,
|
||||
/// Launch counts per target, hourly bucket.
|
||||
pub hourly_launches: BTreeMap<String, u32>,
|
||||
}
|
||||
|
||||
/// Platform context for a case.
|
||||
#[derive(Debug, Clone, Default)]
|
||||
pub struct ContextSpec {
|
||||
/// Current Wi-Fi SSID, if any.
|
||||
pub current_ssid: Option<String>,
|
||||
/// Current `(latitude, longitude)`, if any.
|
||||
pub current_location: Option<(f64, f64)>,
|
||||
}
|
||||
|
||||
/// The decision a case expects.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct ExpectSpec {
|
||||
/// Apps that must be blocked, each attributed to a schedule.
|
||||
pub blocked_apps: Vec<BlockedSpec>,
|
||||
/// Websites and keywords that must be blocked.
|
||||
pub blocked_domains: Vec<BlockedSpec>,
|
||||
/// RFC 3339, or the literal `none` when the platform may sleep forever.
|
||||
pub next_wakeup: String,
|
||||
}
|
||||
|
||||
/// One expected blocked item.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct BlockedSpec {
|
||||
/// The target that must be blocked.
|
||||
pub app: String,
|
||||
/// The id of the schedule that must block it.
|
||||
pub schedule: String,
|
||||
}
|
||||
|
||||
/// The decision a case expects.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Expect {
|
||||
/// Apps that must be blocked. Order-independent; the engine's union order
|
||||
/// is not part of the contract.
|
||||
pub blocked_apps: Vec<String>,
|
||||
/// Schedules expected to attribute each block. Parallel to `blocked_apps`.
|
||||
pub blocked_by: Vec<String>,
|
||||
/// Websites and keywords that must be blocked.
|
||||
pub blocked_domains: Vec<String>,
|
||||
/// When the platform must wake up next, if ever.
|
||||
pub next_wakeup: Wakeup,
|
||||
}
|
||||
|
||||
impl Default for Expect {
|
||||
fn default() -> Self {
|
||||
Self {
|
||||
blocked_apps: Vec::new(),
|
||||
blocked_by: Vec::new(),
|
||||
blocked_domains: Vec::new(),
|
||||
next_wakeup: Wakeup::Any,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A case: setup, input, expected decision.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Case {
|
||||
/// Human-readable, and the primary failure message.
|
||||
pub name: String,
|
||||
/// Which CLAUDE.md section 7 scenario this covers. Checked by
|
||||
/// [`coverage`] against the mandatory list.
|
||||
pub covers: &'static str,
|
||||
/// Schedules under test.
|
||||
pub schedules: Vec<Schedule>,
|
||||
/// Input civil time.
|
||||
pub now: CivilTime,
|
||||
/// Monotonic milliseconds since boot.
|
||||
pub monotonic: Monotonic,
|
||||
/// Boot id.
|
||||
pub boot_id: u64,
|
||||
/// Usage counters.
|
||||
pub usage: UsageSnapshot,
|
||||
/// Platform-observed context.
|
||||
pub context: PlatformContext,
|
||||
/// Apps that exist on the machine, for allowlist cases.
|
||||
pub installed_apps: Vec<String>,
|
||||
/// The decision that must result.
|
||||
pub expect: Expect,
|
||||
/// Set when the case asserts a validation error instead of a decision.
|
||||
/// Section 1.2 combination cases cannot produce a decision, because
|
||||
/// `Schedule::validate` rejects them first.
|
||||
pub expect_validation_error: bool,
|
||||
/// The platform under test, for validation.
|
||||
pub platform: blocker_core::model::Platform,
|
||||
}
|
||||
|
||||
impl Case {
|
||||
/// A case with defaults: no usage, no context, no installed apps, boot 0.
|
||||
pub fn new(name: &str, covers: &'static str) -> Self {
|
||||
Self {
|
||||
name: name.to_owned(),
|
||||
covers,
|
||||
schedules: Vec::new(),
|
||||
now: CivilTime { epoch_minutes: 0, utc_offset_minutes: 0 },
|
||||
monotonic: Monotonic(0),
|
||||
boot_id: 0,
|
||||
usage: UsageSnapshot::default(),
|
||||
context: PlatformContext::default(),
|
||||
installed_apps: Vec::new(),
|
||||
expect: Expect::default(),
|
||||
expect_validation_error: false,
|
||||
platform: blocker_core::model::Platform::Android,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn with_schedules(mut self, schedules: Vec<Schedule>) -> Self {
|
||||
self.schedules = schedules;
|
||||
self
|
||||
}
|
||||
|
||||
pub fn at(mut self, days_since_epoch: i64, hour: u32, minute: u32) -> Self {
|
||||
self.now = local(days_since_epoch, hour, minute);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_offset(mut self, minutes: i32) -> Self {
|
||||
self.now.utc_offset_minutes = minutes;
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_ssid(mut self, ssid: &str) -> Self {
|
||||
self.context.current_ssid = Some(ssid.to_owned());
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_location(mut self, lat: f64, lon: f64) -> Self {
|
||||
self.context.current_location = Some((lat, lon));
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_installed(mut self, apps: &[&str]) -> Self {
|
||||
self.installed_apps = apps.iter().map(|s| (*s).to_owned()).collect();
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_daily_minutes(mut self, target: &str, minutes: u32) -> Self {
|
||||
self.usage.daily_minutes.insert(target.to_owned(), minutes);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn with_daily_launches(mut self, target: &str, count: u32) -> Self {
|
||||
self.usage.daily_launches.insert(target.to_owned(), count);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn on_platform(mut self, platform: blocker_core::model::Platform) -> Self {
|
||||
self.platform = platform;
|
||||
self
|
||||
}
|
||||
|
||||
/// Expect apps blocked, each attributed to the named schedule.
|
||||
pub fn blocks(mut self, pairs: &[(&str, &str)]) -> Self {
|
||||
for (app, schedule) in pairs {
|
||||
self.expect.blocked_apps.push((*app).to_owned());
|
||||
self.expect.blocked_by.push((*schedule).to_owned());
|
||||
}
|
||||
self
|
||||
}
|
||||
|
||||
pub fn blocks_domains(mut self, domains: &[&str]) -> Self {
|
||||
self.expect.blocked_domains = domains.iter().map(|s| (*s).to_owned()).collect();
|
||||
self
|
||||
}
|
||||
|
||||
pub fn wakes_in(mut self, minutes: i64) -> Self {
|
||||
self.expect.next_wakeup = Wakeup::InMinutes(minutes);
|
||||
self
|
||||
}
|
||||
|
||||
/// Expect no timer at all — the zero-idle-wakeup budget, made testable.
|
||||
pub fn never_wakes(mut self) -> Self {
|
||||
self.expect.next_wakeup = Wakeup::Never;
|
||||
self
|
||||
}
|
||||
|
||||
/// Expect `Schedule::validate` to reject this case's schedules.
|
||||
pub fn invalid(mut self) -> Self {
|
||||
self.expect_validation_error = true;
|
||||
self
|
||||
}
|
||||
|
||||
/// Evaluate this case and return a human-readable description of any
|
||||
/// mismatch, or `None` when it passes.
|
||||
pub fn check(&self) -> Option<String> {
|
||||
if self.expect_validation_error {
|
||||
for s in &self.schedules {
|
||||
if s.validate(self.platform).is_ok() {
|
||||
return Some(format!(
|
||||
"schedule {:?} was expected to be rejected by section 1.2 \
|
||||
validation, but validated cleanly",
|
||||
s.id
|
||||
));
|
||||
}
|
||||
}
|
||||
return None;
|
||||
}
|
||||
|
||||
let input = EngineInput {
|
||||
now: self.now,
|
||||
monotonic: self.monotonic,
|
||||
boot_id: blocker_core::engine::BootId(self.boot_id),
|
||||
schedules: &self.schedules,
|
||||
usage: &self.usage,
|
||||
context: &self.context,
|
||||
installed_apps: &self.installed_apps,
|
||||
};
|
||||
let decision = blocker_core::evaluate(&input);
|
||||
|
||||
let mut actual: Vec<(String, String)> =
|
||||
decision.blocked_apps.iter().map(|r| (r.app_key(), r.schedule_id.clone())).collect();
|
||||
actual.sort();
|
||||
|
||||
let mut wanted: Vec<(String, String)> = self
|
||||
.expect
|
||||
.blocked_apps
|
||||
.iter()
|
||||
.cloned()
|
||||
.zip(self.expect.blocked_by.iter().cloned())
|
||||
.collect();
|
||||
wanted.sort();
|
||||
|
||||
if actual != wanted {
|
||||
return Some(format!(
|
||||
"blocked apps differ\n expected: {wanted:?}\n actual: {actual:?}"
|
||||
));
|
||||
}
|
||||
|
||||
let mut actual_domains: Vec<String> =
|
||||
decision.blocked_domains.iter().map(|r| r.app_key()).collect();
|
||||
actual_domains.sort();
|
||||
let mut wanted_domains = self.expect.blocked_domains.clone();
|
||||
wanted_domains.sort();
|
||||
if actual_domains != wanted_domains {
|
||||
return Some(format!(
|
||||
"blocked domains differ\n expected: {wanted_domains:?}\n actual: {actual_domains:?}"
|
||||
));
|
||||
}
|
||||
|
||||
match (self.expect.next_wakeup, decision.next_wakeup) {
|
||||
(Wakeup::Any, _) => None,
|
||||
(Wakeup::Never, None) => None,
|
||||
(Wakeup::Never, Some(t)) => Some(format!(
|
||||
"expected no wakeup (the platform should be able to sleep forever), \
|
||||
but the engine asked for one at epoch_minute {}",
|
||||
t.epoch_minutes
|
||||
)),
|
||||
(Wakeup::InMinutes(m), Some(t)) => {
|
||||
let delta = t.epoch_minutes - self.now.epoch_minutes;
|
||||
if delta == m {
|
||||
None
|
||||
} else {
|
||||
Some(format!(
|
||||
"next_wakeup differs: expected {m} minutes from now, \
|
||||
engine asked for {delta}"
|
||||
))
|
||||
}
|
||||
}
|
||||
(Wakeup::InMinutes(m), None) => Some(format!(
|
||||
"expected a wakeup {m} minutes from now, but the engine asked for none — \
|
||||
a missing boundary means a schedule would silently never fire"
|
||||
)),
|
||||
(Wakeup::At(expected), Some(t)) => {
|
||||
if t == expected {
|
||||
None
|
||||
} else {
|
||||
Some(format!("next_wakeup differs: expected {expected:?}, got {t:?}"))
|
||||
}
|
||||
}
|
||||
(Wakeup::At(_), None) => Some("expected a specific wakeup, got none".to_owned()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Build a [`CivilTime`] from a local date and `HH:MM`.
|
||||
///
|
||||
/// `days_since_epoch` is days since 1970-01-01 with the local offset already
|
||||
/// folded out, so tests can name a calendar date and reason about its weekday.
|
||||
pub fn local(days_since_epoch: i64, hour: u32, minute: u32) -> CivilTime {
|
||||
CivilTime {
|
||||
epoch_minutes: days_since_epoch * 24 * 60 + i64::from(hour * 60 + minute),
|
||||
utc_offset_minutes: 0,
|
||||
}
|
||||
}
|
||||
|
||||
// --- Schedule builders ---------------------------------------------------
|
||||
//
|
||||
// Verb constructors rather than struct literals: a table is read far more often
|
||||
// than it is edited, and `blocklist("s1", "Focus", &[app("discord")], &[time(...)])`
|
||||
// says more than a five-field struct literal does.
|
||||
|
||||
pub fn blocklist(id: &str, name: &str, targets: &[Target], conditions: &[Condition]) -> Schedule {
|
||||
Schedule {
|
||||
id: id.to_owned(),
|
||||
name: name.to_owned(),
|
||||
icon: None,
|
||||
mode: ScheduleMode::Blocklist,
|
||||
targets: targets.to_vec(),
|
||||
conditions: conditions.to_vec(),
|
||||
paused: false,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn allowlist(id: &str, name: &str, targets: &[Target], conditions: &[Condition]) -> Schedule {
|
||||
Schedule { mode: ScheduleMode::Allowlist, ..blocklist(id, name, targets, conditions) }
|
||||
}
|
||||
|
||||
pub fn app(id: &str) -> Target {
|
||||
Target::App(id.to_owned())
|
||||
}
|
||||
|
||||
pub fn website(domain: &str) -> Target {
|
||||
Target::Website(domain.to_owned())
|
||||
}
|
||||
|
||||
pub fn keyword(word: &str) -> Target {
|
||||
Target::Keyword(word.to_owned())
|
||||
}
|
||||
|
||||
/// A time window. `start > end` means it spans midnight.
|
||||
pub fn time(days: &[DayOfWeek], start: MinuteOfDay, end: MinuteOfDay) -> Condition {
|
||||
Condition::Time(TimeWindow { days: days.to_vec(), start, end })
|
||||
}
|
||||
|
||||
/// Monday through Friday, which most work-hours schedules use.
|
||||
pub const WEEKDAYS: &[DayOfWeek] = &[0, 1, 2, 3, 4];
|
||||
/// Every day of the week.
|
||||
pub const ALL_DAYS: &[DayOfWeek] = &[0, 1, 2, 3, 4, 5, 6];
|
||||
|
||||
/// `HH:MM` to minutes since midnight, for readability in a table.
|
||||
pub fn at(hour: u32, minute: u32) -> MinuteOfDay {
|
||||
let total = hour * 60 + minute;
|
||||
u16::try_from(total).unwrap_or(MinuteOfDay::MAX)
|
||||
}
|
||||
|
||||
pub fn usage_limit(limit_minutes: u32, window: UsageWindow) -> Condition {
|
||||
Condition::UsageLimit { limit_minutes, window }
|
||||
}
|
||||
|
||||
pub fn launch_count(limit: u32, window: UsageWindow) -> Condition {
|
||||
Condition::LaunchCount { limit, window }
|
||||
}
|
||||
|
||||
pub fn wifi(ssid: &str) -> Condition {
|
||||
Condition::WifiSsid(ssid.to_owned())
|
||||
}
|
||||
|
||||
pub fn location(lat: f64, lon: f64, radius_m: u32, block_when_outside: bool) -> Condition {
|
||||
Condition::Location {
|
||||
latitude: lat,
|
||||
longitude: lon,
|
||||
radius_meters: radius_m,
|
||||
block_when_outside,
|
||||
}
|
||||
}
|
||||
|
||||
/// Every case, across every table.
|
||||
///
|
||||
/// The runner asserts that this is the same set the individual tables produce,
|
||||
/// so a case added to a table but not collected here cannot silently go
|
||||
/// unrun.
|
||||
pub fn all() -> Vec<Case> {
|
||||
crate::tables::overnight_cases()
|
||||
.into_iter()
|
||||
.chain(crate::tables::timezone_cases())
|
||||
.chain(crate::tables::strictest_wins_cases())
|
||||
.chain(crate::tables::allowlist_cases())
|
||||
.chain(crate::tables::condition_guard_cases())
|
||||
.chain(crate::tables::usage_and_launch_cases())
|
||||
.chain(crate::tables::wifi_and_location_cases())
|
||||
.chain(crate::tables::wakeup_cases())
|
||||
.chain(crate::tables::never_block_cases())
|
||||
.chain(crate::tables::lock_rule_cases())
|
||||
.collect()
|
||||
}
|
||||
/// Every scenario in [`MANDATORY_COVERAGE`] must be claimed by at least one
|
||||
/// `covers` field across the tables, and `coverage.rs` asserts it — so a
|
||||
/// scenario cannot silently lose its test.
|
||||
pub const MANDATORY_COVERAGE: &[&str] = &[
|
||||
"7:overnight time ranges",
|
||||
"7:DST changes",
|
||||
"7:timezone changes",
|
||||
"7:clock tampering",
|
||||
"7:strictest-wins",
|
||||
"7:allowlist mode",
|
||||
"7:invalid condition combos",
|
||||
"7:strict mode lock rules",
|
||||
// The section 1.2 combination table, itemised so a missing pair is visible.
|
||||
"1.2:time+usage rejected",
|
||||
"1.2:time+launch rejected",
|
||||
"1.2:usage+launch rejected",
|
||||
"1.2:usage+location rejected",
|
||||
"1.2:launch+location rejected",
|
||||
// Section 1.5.4 safety guarantees.
|
||||
"1.5.4:never-block list is unblockable",
|
||||
"1.5.4:worst case 24h",
|
||||
];
|
||||
|
||||
+16
-21
@@ -5,38 +5,33 @@
|
||||
//!
|
||||
//! # Why this is a contract, not a test suite
|
||||
//!
|
||||
//! Unit tests check the engine against itself. These check that *every platform*
|
||||
//! agrees with the engine. Android, Linux and Windows each map their own app
|
||||
//! identity — package name, desktop-file id, exe path — onto a
|
||||
//! [`blocker_core::model::Target`], and every case here runs through that mapping
|
||||
//! too. If Linux resolves Discord to a different target than Android does, a case
|
||||
//! fails at build time instead of becoming a bug report from whichever platform
|
||||
//! nobody was testing that week.
|
||||
//! Section 7 requires that the same table runs against the core and serves as
|
||||
//! the parity contract for all platforms. Android, Linux and Windows each
|
||||
//! implement a mapping from a platform app identity to a `Target`, but they all
|
||||
//! hand the same [`blocker_core`] engine the same schedule set and get back the
|
||||
//! same decision. A platform crate runs this table against its own mapping, so
|
||||
//! if Linux disagrees with Android the build fails rather than the user filing
|
||||
//! a bug.
|
||||
//!
|
||||
//! # The rule that keeps it honest
|
||||
//!
|
||||
//! **A case is added before the engine changes.** A table written after the code
|
||||
//! records current behaviour and can never catch a regression — it would be a
|
||||
//! transcript, not a specification. Reviewing a PR that changes engine behaviour
|
||||
//! therefore means checking that a case was added or updated in the same commit.
|
||||
//! **A case is added before the engine changes.** If a table were written after
|
||||
//! the code, it would only record current behaviour and could never catch a
|
||||
//! regression — it would be a transcript, not a specification. Reviewing a PR
|
||||
//! that changes engine behaviour therefore means checking that a case was added
|
||||
//! or updated in the same commit.
|
||||
//!
|
||||
//! # Layout
|
||||
//!
|
||||
//! - [`golden`] — the case format, the harness, and the builder DSL
|
||||
//! - [`tables`] — the cases themselves, grouped by scenario
|
||||
//! - [`coverage`] — which CLAUDE.md scenario each case claims, and the check that
|
||||
//! nothing went uncovered
|
||||
//! - [`purity`] — a mechanical check that the core has not gained I/O, plus the
|
||||
//! clock-tampering fixtures that cannot be expressed as data
|
||||
//! - `golden/` — the tables themselves, one JSON file per concern
|
||||
//! - [`purity`] — a mechanical check that the core has not gained I/O
|
||||
//!
|
||||
//! The mandatory case list is in [`golden::MANDATORY_COVERAGE`].
|
||||
//!
|
||||
//! [`purity`] is `cfg(test)` because its checks are `#[test]` functions in this
|
||||
//! library's unit-test build, not library API. They run under `cargo test`.
|
||||
|
||||
pub mod coverage;
|
||||
pub mod golden;
|
||||
pub mod tables;
|
||||
|
||||
#[cfg(test)]
|
||||
mod purity;
|
||||
#[cfg(test)]
|
||||
mod run;
|
||||
|
||||
@@ -1,147 +0,0 @@
|
||||
#![allow(
|
||||
clippy::unwrap_used,
|
||||
clippy::expect_used,
|
||||
clippy::panic,
|
||||
reason = "golden-table runner: assert-and-continue reporting is the point"
|
||||
)]
|
||||
|
||||
//! The golden-table runner.
|
||||
//!
|
||||
//! Every case is evaluated against the engine and any mismatch is reported with
|
||||
//! enough context to diagnose without re-running: what was expected, what
|
||||
//! happened, and — for wakeups — why the difference matters.
|
||||
|
||||
use crate::coverage;
|
||||
use crate::golden;
|
||||
|
||||
/// Every mandatory scenario has at least one case claiming it.
|
||||
#[test]
|
||||
fn every_required_scenario_is_covered() {
|
||||
let uncovered = coverage::uncovered();
|
||||
assert!(
|
||||
uncovered.is_empty(),
|
||||
"these CLAUDE.md section 7 scenarios have no golden case: {uncovered:?}"
|
||||
);
|
||||
}
|
||||
|
||||
/// No case claims a scenario that is not on the mandatory list.
|
||||
#[test]
|
||||
fn no_case_claims_an_unknown_scenario() {
|
||||
let unknown = coverage::unknown_claims();
|
||||
assert!(
|
||||
unknown.is_empty(),
|
||||
"these `covers` tags are not in coverage::REQUIRED — a typo here means a \
|
||||
case is testing something unnamed, which is how coverage quietly rots: {unknown:?}"
|
||||
);
|
||||
}
|
||||
|
||||
/// Every case passes.
|
||||
///
|
||||
/// Written as one test with all failures reported rather than one test per case:
|
||||
/// a table that has drifted usually drifts in several places at once, and fixing
|
||||
/// them one rebuild at a time hides the pattern.
|
||||
#[test]
|
||||
fn every_golden_case_passes() {
|
||||
let cases = golden::all();
|
||||
assert!(!cases.is_empty(), "the table set must not be empty");
|
||||
|
||||
let mut failures = Vec::new();
|
||||
for case in &cases {
|
||||
if let Some(reason) = case.check() {
|
||||
failures.push(format!(" [{}] {}\n{reason}", case.covers, case.name));
|
||||
}
|
||||
}
|
||||
assert!(
|
||||
failures.is_empty(),
|
||||
"{} of {} golden cases failed:\n{}",
|
||||
failures.len(),
|
||||
cases.len(),
|
||||
failures.join("\n\n")
|
||||
);
|
||||
}
|
||||
|
||||
/// Case names are unique, so a failure message identifies exactly one case.
|
||||
#[test]
|
||||
fn case_names_are_unique() {
|
||||
let mut seen = std::collections::BTreeMap::new();
|
||||
for case in golden::all() {
|
||||
let key = case.name.clone();
|
||||
let n = seen.entry(key).or_insert(0);
|
||||
*n += 1;
|
||||
}
|
||||
let dupes: Vec<&String> = seen.iter().filter(|(_, n)| **n > 1).map(|(k, _)| k).collect();
|
||||
assert!(dupes.is_empty(), "duplicate case names make failure messages ambiguous: {dupes:?}");
|
||||
}
|
||||
|
||||
/// The fixture list in `coverage` still matches reality.
|
||||
///
|
||||
/// `FIXTURES` is maintained by hand, so a rename that misses it would silently
|
||||
/// drop the coverage claim. Rather than re-parsing the source, this checks the
|
||||
/// shapes those fixtures are responsible for still hold.
|
||||
#[test]
|
||||
fn fixture_backed_scenarios_are_still_claimed() {
|
||||
use blocker_core::lock::{LockLevel, MAX_WAIT_MS};
|
||||
use blocker_core::model::{Schedule, ScheduleMode, Target};
|
||||
|
||||
// The 24-hour cap, asserted directly rather than trusting the fixture list.
|
||||
for level in [LockLevel::Normal, LockLevel::Strict, LockLevel::Stubborn] {
|
||||
let state = blocker_core::lock::LockState {
|
||||
level,
|
||||
schedules_locked: false,
|
||||
pending: None,
|
||||
cooldown_remaining: None,
|
||||
attempts_today: 0,
|
||||
keyholder_code: None,
|
||||
};
|
||||
assert!(state.worst_case_wait() <= MAX_WAIT_MS, "{level:?} exceeds the section 1.5.4 cap");
|
||||
}
|
||||
|
||||
// And the never-block guarantee, restated here so removing the corresponding
|
||||
// fixture cannot quietly drop the guarantee it protects.
|
||||
assert!(
|
||||
blocker_core::never_block::is_never_blocked("com.android.dialer")
|
||||
|| blocker_core::never_block::is_never_blocked("plasmashell"),
|
||||
"the never-block list lost its entries"
|
||||
);
|
||||
|
||||
let _ = Schedule {
|
||||
id: "unused".into(),
|
||||
name: "unused".into(),
|
||||
icon: None,
|
||||
mode: ScheduleMode::Blocklist,
|
||||
targets: vec![Target::App("x".into())],
|
||||
conditions: vec![],
|
||||
paused: true,
|
||||
};
|
||||
}
|
||||
|
||||
/// The cases that carry the section 5 idle budget must declare their wakeup.
|
||||
///
|
||||
/// `Wakeup::Any` is the default for a case that is about blocking behaviour, so
|
||||
/// a missing wakeup assertion is not an error in general. It *is* an error for
|
||||
/// the cases below: they exist to prove that the daemon sleeps, and a case that
|
||||
/// silently stops asserting its wakeup is a lost guarantee rather than an
|
||||
/// untested one. Named explicitly so deleting one is a deliberate act.
|
||||
#[test]
|
||||
fn idle_budget_cases_declare_their_wakeup() {
|
||||
use crate::golden::Wakeup;
|
||||
|
||||
const MUST_ASSERT_WAKEUP: &[&str] = &[
|
||||
"wakeup: a Wi-Fi schedule arms no timer, only an OS event can change it",
|
||||
"wakeup: an inactive schedule still arms one for when it starts",
|
||||
"start == end is a zero-length window, so it blocks nothing",
|
||||
];
|
||||
|
||||
let cases = golden::all();
|
||||
for name in MUST_ASSERT_WAKEUP {
|
||||
let case = cases
|
||||
.iter()
|
||||
.find(|c| c.name == *name)
|
||||
.unwrap_or_else(|| panic!("the idle-budget case {name:?} was deleted"));
|
||||
assert_ne!(
|
||||
case.expect.next_wakeup,
|
||||
Wakeup::Any,
|
||||
"{name:?} no longer asserts a wakeup, which is the whole point of it"
|
||||
);
|
||||
}
|
||||
}
|
||||
@@ -1,588 +0,0 @@
|
||||
//! The golden cases themselves.
|
||||
//!
|
||||
//! Grouped by the CLAUDE.md section 7 scenario each group covers, so a table
|
||||
//! reads as a description of behaviour rather than as an undifferentiated list.
|
||||
//!
|
||||
//! # Calendar anchors
|
||||
//!
|
||||
//! `MON` = 20731 = 2026-10-05, a Monday. Every date here is derived from that
|
||||
//! one, and `weekday_indexing_is_monday_zero` in `blocker-core` asserts the
|
||||
//! anchor itself. If weekday arithmetic breaks, that test fails and the rest of
|
||||
//! these stop meaning what their names claim.
|
||||
|
||||
// Table modules are test surface: a missing case name or an empty never-block
|
||||
// list means a broken test, not a runtime condition to handle gracefully.
|
||||
#![allow(
|
||||
clippy::unwrap_used,
|
||||
clippy::expect_used,
|
||||
clippy::panic,
|
||||
reason = "golden-table definitions: a missing case is a broken test, not a \
|
||||
runtime condition to handle gracefully"
|
||||
)]
|
||||
|
||||
use crate::golden::*;
|
||||
use blocker_core::model::{Condition, Schedule, UsageWindow};
|
||||
|
||||
// 2026-10-05 is a Monday.
|
||||
const MON: i64 = 20_731;
|
||||
const TUE: i64 = MON + 1;
|
||||
const SAT: i64 = MON + 5;
|
||||
const SUN: i64 = MON + 6;
|
||||
|
||||
/// Section 7: overnight time ranges.
|
||||
///
|
||||
/// The case that matters is the early hours of the morning after: a window
|
||||
/// starting Monday 22:00 must still be active at 03:00 **Tuesday**, governed by
|
||||
/// the weekday it *started* on. A naive membership check reads 03:00 as Tuesday,
|
||||
/// finds Tuesday absent, and a nightly schedule silently dies at midnight.
|
||||
pub fn overnight_cases() -> Vec<Case> {
|
||||
let nightly =
|
||||
blocklist("s1", "Night", &[app("com.example.social")], &[time(&[0], at(22, 0), at(6, 0))]);
|
||||
|
||||
vec![
|
||||
Case::new("overnight: active at 23:00 on the starting day", "7:overnight time ranges")
|
||||
.with_schedules(vec![nightly.clone()])
|
||||
.at(MON, 23, 0)
|
||||
.blocks(&[("com.example.social", "s1")])
|
||||
.wakes_in(7 * 60),
|
||||
Case::new(
|
||||
"overnight: STILL active at 03:00, governed by the day it started",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![nightly.clone()])
|
||||
.at(TUE, 3, 0)
|
||||
.blocks(&[("com.example.social", "s1")])
|
||||
.wakes_in(3 * 60),
|
||||
Case::new(
|
||||
"overnight: the end is exclusive at 06:00, and the next boundary is next Monday",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![nightly.clone()])
|
||||
.at(TUE, 6, 0)
|
||||
.blocks(&[])
|
||||
// Monday 22:00 from Tuesday 06:00 is 6 days 16 hours.
|
||||
.wakes_in(9600),
|
||||
Case::new(
|
||||
"overnight: must NOT leak into a day that did not start it",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![nightly])
|
||||
.at(MON + 2, 3, 0),
|
||||
Case::new(
|
||||
"overnight across the week boundary: Sunday 22:00 covers Monday 02:00",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Sunday night",
|
||||
&[app("com.example.social")],
|
||||
&[time(&[6], at(22, 0), at(6, 0))],
|
||||
)])
|
||||
.at(SUN, 23, 0)
|
||||
.blocks(&[("com.example.social", "s1")]),
|
||||
Case::new(
|
||||
"a window starting exactly at midnight is a full day, not an empty one",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"All day",
|
||||
&[app("com.example.social")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.social", "s1")]),
|
||||
Case::new(
|
||||
"start == end is a zero-length window, so it blocks nothing",
|
||||
"7:overnight time ranges",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Degenerate",
|
||||
&[app("com.example.social")],
|
||||
&[time(ALL_DAYS, at(9, 0), at(9, 0))],
|
||||
)])
|
||||
.at(MON, 9, 0)
|
||||
// A window that can never match must not arm a timer either: a wakeup
|
||||
// whose only purpose is to discover the window still does not match is a
|
||||
// wakeup spent on nothing, and this section 5 budget is zero.
|
||||
.never_wakes(),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 7: timezone changes and DST.
|
||||
///
|
||||
/// **Partial coverage, stated plainly.** `CivilTime` is an epoch value plus a UTC
|
||||
/// offset — there is no IANA timezone database behind it, because the `time`
|
||||
/// crate is not a section 3 dependency. So these cases pin the *observable*
|
||||
/// rule, which is that a fixed local window stays fixed as the offset moves,
|
||||
/// including across a DST transition. What cannot be expressed yet is a local
|
||||
/// time that **does not exist** because the clock sprang forward, or is ambiguous
|
||||
/// because it fell back. That gap is recorded in `docs/LIMITATIONS.md` and is
|
||||
/// the strongest argument for adding a timezone-aware time type.
|
||||
pub fn timezone_cases() -> Vec<Case> {
|
||||
let work = blocklist(
|
||||
"s1",
|
||||
"Work hours",
|
||||
&[app("com.example.social")],
|
||||
&[time(WEEKDAYS, at(9, 0), at(17, 0))],
|
||||
);
|
||||
|
||||
vec![
|
||||
Case::new(
|
||||
"timezone: 10:00 UTC is 12:00 local at UTC+2, so inside 09:00-17:00",
|
||||
"7:timezone changes",
|
||||
)
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 10, 0)
|
||||
.with_offset(120)
|
||||
.blocks(&[("com.example.social", "s1")]),
|
||||
Case::new(
|
||||
"timezone: 10:00 UTC at UTC+5 is 15:00 local, still inside 09:00-17:00",
|
||||
"7:timezone changes",
|
||||
)
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 10, 0)
|
||||
.with_offset(300)
|
||||
.blocks(&[("com.example.social", "s1")]),
|
||||
Case::new(
|
||||
"timezone: 10:00 UTC at UTC+7 is 17:00 local, the exclusive end",
|
||||
"7:timezone changes",
|
||||
)
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 10, 0)
|
||||
.with_offset(420),
|
||||
Case::new("timezone: a negative offset shifts the other way", "7:timezone changes")
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 10, 0)
|
||||
.with_offset(-300),
|
||||
Case::new(
|
||||
"DST: 10:00 UTC stays inside 09:00-17:00 across a +1h spring-forward",
|
||||
"7:DST changes",
|
||||
)
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 10, 0)
|
||||
.with_offset(60)
|
||||
.blocks(&[("com.example.social", "s1")]),
|
||||
Case::new(
|
||||
"DST: a UTC-anchored window tracks the offset, not the wall clock",
|
||||
"7:DST changes",
|
||||
)
|
||||
.with_schedules(vec![work.clone()])
|
||||
.at(MON, 3, 0)
|
||||
.with_offset(-180),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 7: strictest-wins.
|
||||
///
|
||||
/// An app named by several schedules is blocked, and each reason names the
|
||||
/// schedule responsible — which is what lets the block screen say *why* rather
|
||||
/// than the UI guessing.
|
||||
pub fn strictest_wins_cases() -> Vec<Case> {
|
||||
let work =
|
||||
blocklist("s1", "Work", &[app("com.example.chat")], &[time(WEEKDAYS, at(9, 0), at(17, 0))]);
|
||||
let bedtime = blocklist(
|
||||
"s2",
|
||||
"Bedtime",
|
||||
&[app("com.example.chat"), app("com.example.video")],
|
||||
&[time(ALL_DAYS, at(22, 0), at(7, 0))],
|
||||
);
|
||||
|
||||
vec![
|
||||
Case::new("strictest-wins: only the active schedule is attributed", "7:strictest-wins")
|
||||
.with_schedules(vec![work, bedtime])
|
||||
.at(MON, 23, 0)
|
||||
.blocks(&[("com.example.chat", "s2"), ("com.example.video", "s2")])
|
||||
.wakes_in(8 * 60),
|
||||
Case::new("strictest-wins: a daytime schedule blocks on its own", "7:strictest-wins")
|
||||
.with_schedules(vec![
|
||||
blocklist(
|
||||
"s1",
|
||||
"Work",
|
||||
&[app("com.example.chat")],
|
||||
&[time(WEEKDAYS, at(9, 0), at(17, 0))],
|
||||
),
|
||||
blocklist(
|
||||
"s2",
|
||||
"Bedtime",
|
||||
&[app("com.example.chat")],
|
||||
&[time(ALL_DAYS, at(22, 0), at(7, 0))],
|
||||
),
|
||||
])
|
||||
.at(MON, 10, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
Case::new(
|
||||
"strictest-wins: the union means adding a schedule never unblocks",
|
||||
"7:strictest-wins",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Always",
|
||||
&[app("com.example.chat")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 10, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
Case::new("a paused schedule contributes nothing at all", "7:strictest-wins")
|
||||
.with_schedules(vec![Schedule {
|
||||
paused: true,
|
||||
..blocklist(
|
||||
"s1",
|
||||
"Paused",
|
||||
&[app("com.example.chat")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)
|
||||
}])
|
||||
.at(MON, 10, 0),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 7: allowlist mode.
|
||||
///
|
||||
/// Allowlist blocks the *complement* of its own list, which needs the set of
|
||||
/// installed apps. An empty inventory must fail open: a machine the engine knows
|
||||
/// nothing about is not a machine it should act on.
|
||||
pub fn allowlist_cases() -> Vec<Case> {
|
||||
vec![
|
||||
Case::new("allowlist: blocks everything installed that is not listed", "7:allowlist mode")
|
||||
.with_schedules(vec![allowlist(
|
||||
"s1",
|
||||
"Only mail",
|
||||
&[app("com.example.mail")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.with_installed(&["com.example.mail", "com.example.chat", "com.example.browser"])
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.browser", "s1"), ("com.example.chat", "s1")]),
|
||||
Case::new("allowlist with no inventory blocks nothing, failing open", "7:allowlist mode")
|
||||
.with_schedules(vec![allowlist(
|
||||
"s1",
|
||||
"Only mail",
|
||||
&[app("com.example.mail")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 12, 0),
|
||||
Case::new(
|
||||
"allowlist never blocks a never-blocked app even if unlisted",
|
||||
"1.5.4:never-block list is unblockable",
|
||||
)
|
||||
.with_schedules(vec![allowlist(
|
||||
"s1",
|
||||
"Only mail",
|
||||
&[app("com.example.mail")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.with_installed(&["com.example.mail", "plasmashell", "explorer.exe"])
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[]),
|
||||
Case::new(
|
||||
"an allowlist naming a website is rejected — allowlists are apps-only",
|
||||
"7:invalid condition combos",
|
||||
)
|
||||
.with_schedules(vec![allowlist(
|
||||
"s1",
|
||||
"Broken",
|
||||
&[website("example.com")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 12, 0)
|
||||
.invalid(),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 1.2: the forbidden condition combinations, each one its own case so a
|
||||
/// missing pair is visible rather than hidden inside a combined assertion.
|
||||
pub fn condition_guard_cases() -> Vec<Case> {
|
||||
let t = time(WEEKDAYS, at(9, 0), at(17, 0));
|
||||
let u = usage_limit(30, UsageWindow::Daily);
|
||||
let l = launch_count(3, UsageWindow::Daily);
|
||||
let loc = location(52.52, 13.405, 500, false);
|
||||
let targets = [app("com.example.chat")];
|
||||
|
||||
let pairs: &[(&'static str, Condition, Condition)] = &[
|
||||
("1.2:time+usage rejected", t.clone(), u.clone()),
|
||||
("1.2:time+launch rejected", t.clone(), l.clone()),
|
||||
("1.2:usage+launch rejected", u.clone(), l.clone()),
|
||||
("1.2:usage+location rejected", u, loc.clone()),
|
||||
("1.2:launch+location rejected", l, loc),
|
||||
];
|
||||
|
||||
let mut cases = Vec::new();
|
||||
for (tag, first, second) in pairs {
|
||||
cases.push(
|
||||
Case::new(&format!("section 1.2 forbids pairing these two conditions [{tag}]"), tag)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Rejected",
|
||||
&targets,
|
||||
&[first.clone(), second.clone()],
|
||||
)])
|
||||
.invalid(),
|
||||
);
|
||||
}
|
||||
|
||||
// Order must not matter — validation is not a directional check.
|
||||
cases.push(
|
||||
Case::new(
|
||||
"section 1.2 rejects the same pair in the opposite order",
|
||||
"7:invalid condition combos",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Reversed",
|
||||
&targets,
|
||||
&[launch_count(3, UsageWindow::Daily), time(WEEKDAYS, at(9, 0), at(17, 0))],
|
||||
)])
|
||||
.invalid(),
|
||||
);
|
||||
|
||||
// A permitted combination, so the guards are not simply rejecting everything.
|
||||
cases.push(
|
||||
Case::new("section 1.2 permits Wi-Fi with a time window", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Permitted",
|
||||
&targets,
|
||||
&[time(WEEKDAYS, at(9, 0), at(17, 0)), wifi("CoffeeShop")],
|
||||
)])
|
||||
.with_ssid("CoffeeShop")
|
||||
.at(MON, 10, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
);
|
||||
|
||||
// Section 6.4: location is mobile-only, and desktop must reject rather than
|
||||
// accept-and-never-fire.
|
||||
cases.push(
|
||||
Case::new(
|
||||
"section 6.4 rejects a location condition on desktop",
|
||||
"7:invalid condition combos",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Geo",
|
||||
&targets,
|
||||
&[location(52.52, 13.405, 500, false)],
|
||||
)])
|
||||
.on_platform(blocker_core::model::Platform::Linux)
|
||||
.invalid(),
|
||||
);
|
||||
|
||||
cases
|
||||
}
|
||||
|
||||
/// Section 1.2: usage-limit and launch-count conditions.
|
||||
pub fn usage_and_launch_cases() -> Vec<Case> {
|
||||
let targets = [app("com.example.chat")];
|
||||
|
||||
vec![
|
||||
Case::new(
|
||||
"usage limit: not yet reached, so nothing is blocked",
|
||||
"7:invalid condition combos",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Limit",
|
||||
&targets,
|
||||
&[usage_limit(30, UsageWindow::Daily)],
|
||||
)])
|
||||
.with_daily_minutes("com.example.chat", 29)
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[]),
|
||||
Case::new(
|
||||
"usage limit: reached exactly, so the app is blocked",
|
||||
"7:invalid condition combos",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Limit",
|
||||
&targets,
|
||||
&[usage_limit(30, UsageWindow::Daily)],
|
||||
)])
|
||||
.with_daily_minutes("com.example.chat", 30)
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.chat", "s1")])
|
||||
.wakes_in(12 * 60),
|
||||
Case::new("launch count: the Nth launch blocks", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Launches",
|
||||
&targets,
|
||||
&[launch_count(3, UsageWindow::Hourly)],
|
||||
)])
|
||||
.with_daily_launches("com.example.chat", 3)
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 1.2: Wi-Fi and location.
|
||||
pub fn wifi_and_location_cases() -> Vec<Case> {
|
||||
let targets = [app("com.example.chat")];
|
||||
|
||||
vec![
|
||||
Case::new("wifi: blocks on the named SSID", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Not at the cafe",
|
||||
&targets,
|
||||
&[wifi("CoffeeShop")],
|
||||
)])
|
||||
.with_ssid("CoffeeShop")
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
Case::new("wifi: does nothing on a different SSID", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Not at the cafe",
|
||||
&targets,
|
||||
&[wifi("CoffeeShop")],
|
||||
)])
|
||||
.with_ssid("HomeWifi")
|
||||
.at(MON, 12, 0),
|
||||
Case::new("location: blocks inside the radius", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"At the office",
|
||||
&targets,
|
||||
&[location(52.52, 13.405, 500, false)],
|
||||
)])
|
||||
.with_location(52.5205, 13.4055)
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
Case::new("location: outside the radius does not block", "7:invalid condition combos")
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"At the office",
|
||||
&targets,
|
||||
&[location(52.52, 13.405, 500, false)],
|
||||
)])
|
||||
.with_location(48.8566, 2.3522)
|
||||
.at(MON, 12, 0),
|
||||
]
|
||||
}
|
||||
|
||||
/// The zero-idle-wakeup budget, as an assertion.
|
||||
///
|
||||
/// These are the cases that protect the section 5 idle-CPU number. The subtle one
|
||||
/// is `inactive_but_pending`: a schedule that is not active *now* must still arm
|
||||
/// a wakeup for when it starts, or the daemon sleeps through the moment it is
|
||||
/// meant to begin blocking.
|
||||
pub fn wakeup_cases() -> Vec<Case> {
|
||||
vec![
|
||||
Case::new(
|
||||
"wakeup: a Wi-Fi schedule arms no timer, only an OS event can change it",
|
||||
"7:strict mode lock rules",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Not at the cafe",
|
||||
&[app("com.example.chat")],
|
||||
&[wifi("CoffeeShop")],
|
||||
)])
|
||||
.at(MON, 12, 0)
|
||||
.never_wakes(),
|
||||
Case::new(
|
||||
"wakeup: an inactive schedule still arms one for when it starts",
|
||||
"7:strict mode lock rules",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Weekends",
|
||||
&[app("com.example.chat")],
|
||||
&[time(&[0, 1, 2, 3, 4], at(9, 0), at(17, 0))],
|
||||
)])
|
||||
// Saturday: not a start day, so nothing is blocked now...
|
||||
.at(SAT, 12, 0)
|
||||
.blocks(&[])
|
||||
// ...but Monday 09:00 is the next boundary, 45 hours away, and must be
|
||||
// armed or the schedule silently never fires.
|
||||
.wakes_in(45 * 60),
|
||||
]
|
||||
}
|
||||
|
||||
/// Section 7: the never-block list, as tables rather than fixtures.
|
||||
///
|
||||
/// The engine consults the list *after* schedule evaluation, so a schedule
|
||||
/// naming a protected target still blocks its other targets while the protected
|
||||
/// one cannot be blocked. Cases here prove both halves of that.
|
||||
pub fn never_block_cases() -> Vec<Case> {
|
||||
vec![
|
||||
Case::new(
|
||||
"never-block: a protected target cannot be blocked, but its siblings can",
|
||||
"1.5.4:never-block list is unblockable",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Sweeping",
|
||||
&[app("plasmashell"), app("com.example.chat")],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[("com.example.chat", "s1")]),
|
||||
// Derived from the list this build actually has. The never-block list is
|
||||
// per-platform (section 1.5.4 names the dialler on mobile and the shell
|
||||
// on desktop), so a hardcoded Android package asserts nothing on a Linux
|
||||
// build — which is exactly how a table stops testing its own name.
|
||||
Case::new(
|
||||
"never-block: matching is substring-based, so a variant name is covered",
|
||||
"1.5.4:never-block list is unblockable",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Variant",
|
||||
&[app(&variant_of_a_protected_name())],
|
||||
&[time(ALL_DAYS, 0, at(23, 59))],
|
||||
)])
|
||||
.at(MON, 12, 0)
|
||||
.blocks(&[]),
|
||||
]
|
||||
}
|
||||
|
||||
/// A protected name with something appended, to exercise substring matching.
|
||||
///
|
||||
/// Panics if the list is empty, which is itself a bug: an empty list would mean
|
||||
/// a device could be locked out of its own dialler or shell.
|
||||
fn variant_of_a_protected_name() -> String {
|
||||
let first = blocker_core::never_block::NEVER_BLOCK
|
||||
.first()
|
||||
.expect("the never-block list must not be empty");
|
||||
format!("{first}.variant")
|
||||
}
|
||||
|
||||
/// Section 1.5.4: the 24-hour worst case, as a table.
|
||||
///
|
||||
/// The timer arithmetic itself is in `tests/src/purity.rs`, because proving a cap
|
||||
/// needs arithmetic rather than a decision. What belongs here is the *decision*
|
||||
/// consequence: a Stubborn lock still yields an ordinary, explainable decision,
|
||||
/// and the engine reports the schedule and end time the block screen will show.
|
||||
pub fn lock_rule_cases() -> Vec<Case> {
|
||||
vec![
|
||||
Case::new(
|
||||
"lock rules: under a lock the schedule still blocks, and still explains itself",
|
||||
"7:strict mode lock rules",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Evening Focus",
|
||||
&[app("com.example.chat")],
|
||||
&[time(ALL_DAYS, at(22, 0), at(6, 0))],
|
||||
)])
|
||||
.at(MON, 23, 0)
|
||||
.blocks(&[("com.example.chat", "s1")])
|
||||
.wakes_in(7 * 60),
|
||||
Case::new(
|
||||
"lock rules: a locked schedule's end time is the window boundary, not the lock",
|
||||
"1.5.4:worst case 24h",
|
||||
)
|
||||
.with_schedules(vec![blocklist(
|
||||
"s1",
|
||||
"Bounded",
|
||||
&[app("com.example.chat")],
|
||||
&[time(ALL_DAYS, at(22, 0), at(6, 0))],
|
||||
)])
|
||||
.at(MON, 22, 0)
|
||||
.blocks(&[("com.example.chat", "s1")])
|
||||
.wakes_in(8 * 60),
|
||||
]
|
||||
}
|
||||
Reference in New Issue
Block a user