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WEB Carriers Safe-matrix Refactored

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-08-26 20:33:33 +03:00
parent 8b2b88f30c
commit 34eeb2d856
49 changed files with 3406 additions and 936 deletions
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src/config/load/validate_web/memory.rs
+29 -1
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@@ -3,7 +3,8 @@ use super::*;
const WEB_DEBUG_RENDERERS: usize = 2;
const WEB_DEBUG_STATUS_PAGE_BYTES: usize = 8 * 1024 * 1024;
const WEB_DEBUG_GROUP_SCRATCH_BYTES: usize = 4 * 1024 * 1024;
const WEB_CARRIER_LEARNING_ENTRY_BYTES: usize = 256;
const WEB_CARRIER_LEARNING_ENTRY_BYTES: usize = 512;
const WEB_LANE_STATE_BYTES: usize = 512;
/// Validates process-wide body, header, queue, static, and debug reservations.
pub(super) fn validate(limits: &WebLimitsConfig) -> Result<()> {
@@ -57,6 +58,15 @@ pub(super) fn validate(limits: &WebLimitsConfig) -> Result<()> {
.ok_or_else(|| {
ProxyError::Config("web.carrier learning reservation overflowed usize".to_string())
})?;
let lane_state_reservation = limits
.max_streams_per_session
.checked_add(limits.max_tombstones_per_session)
.and_then(|value| value.checked_add(1))
.and_then(|value| value.checked_mul(limits.max_sessions_global))
.and_then(|value| value.checked_mul(WEB_LANE_STATE_BYTES))
.ok_or_else(|| {
ProxyError::Config("web.limits lane state reservation overflowed usize".to_string())
})?;
let reserved = limits
.pending_bytes_global
.checked_add(limits.max_body_bytes_global)
@@ -65,6 +75,7 @@ pub(super) fn validate(limits: &WebLimitsConfig) -> Result<()> {
.and_then(|value| value.checked_add(status_pages))
.and_then(|value| value.checked_add(debug_reservation))
.and_then(|value| value.checked_add(carrier_learning_reservation))
.and_then(|value| value.checked_add(lane_state_reservation))
.and_then(|value| value.checked_add(http_header_reservation))
.ok_or_else(|| ProxyError::Config("web.limits byte ceilings overflow usize".to_string()))?;
if reserved > limits.memory_envelope_bytes
@@ -76,3 +87,20 @@ pub(super) fn validate(limits: &WebLimitsConfig) -> Result<()> {
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn default_envelope_includes_bounded_lane_and_learning_metadata() {
let limits = WebLimitsConfig::default();
assert!(validate(&limits).is_ok());
let previous_envelope = WebLimitsConfig {
memory_envelope_bytes: 768 * 1024 * 1024,
..limits
};
assert!(validate(&previous_envelope).is_err());
}
}