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debug(gamestream): hex-dump the first few undecodable pointer packets

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
enricobuehler
2026-07-23 17:48:17 +02:00
co-authored by Claude Fable 5
parent 40611cd54d
commit f938174d86
1 changed files with 16 additions and 5 deletions
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crates/punktfunk-host/src/gamestream/control.rs
+16 -5
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@@ -291,11 +291,22 @@ fn on_receive(
return; return;
} else if super::input::is_pointer_magic(&pt) { } else if super::input::is_pointer_magic(&pt) {
// A pointer magic that failed the body parse — a layout mismatch against this // A pointer magic that failed the body parse — a layout mismatch against this
// client, exactly what an on-glass "touch/pen does nothing" needs surfaced. // client, exactly what an on-glass "touch/pen does nothing" needs surfaced. The
tracing::warn!( // first few dump their bytes so the mismatch is diagnosable from the log alone.
len = pt.len(), static HEX_DUMPS: std::sync::atomic::AtomicU32 = std::sync::atomic::AtomicU32::new(0);
"gamestream: SS_TOUCH/SS_PEN packet failed to decode (malformed/unexpected layout)" if HEX_DUMPS.fetch_add(1, std::sync::atomic::Ordering::Relaxed) < 5 {
); let hex: String = pt.iter().map(|b| format!("{b:02x}")).collect();
tracing::warn!(
len = pt.len(),
bytes = %hex,
"gamestream: SS_TOUCH/SS_PEN packet failed to decode (malformed/unexpected layout)"
);
} else {
tracing::warn!(
len = pt.len(),
"gamestream: SS_TOUCH/SS_PEN packet failed to decode (malformed/unexpected layout)"
);
}
return; return;
} }