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feat(core): packet capture per card after Java's Lauscher, measured card by card

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The engine keeps Java's packet capture (capture.ts): per network card
every frame it sent (when it leaves on the cable) or received (also one
for another card), once, with time and number; switches log nothing;
frames the packet loss dropped are kept apart; the capture outlives a
stop and a new start, as in Java, until clearCapture. Per port instead
of per MAC, at most 10,000 frames a card.

expectSameCaptures compares each card's capture with Java's list of that
card in the ARP, WLAN, DNS, TCP, NAT, RIP and single-client DHCP runs.
It found that ScenarioNetwork ignored a switch's learning time (Java ran
300 s, the core the scenarios' 5 s); the oracle sets it now, and the TCP
and DHCP runs are recorded again. A core test found that a new start
numbers frames from 1 again and the capture took them as seen.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
julian.kiedaisch
2026-10-01 08:53:37 +00:00
co-authored by Claude Opus 5.5
parent 65ccd9ddd7
commit 088b62469f
24 changed files with 796 additions and 344 deletions
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packages/core/test/ripJava.test.ts
+4 -1
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@@ -31,7 +31,7 @@ import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { describe, expect, it } from 'vitest';
import { RIP_FIRST_BEACON_DELAY_MILLISECONDS, type Id, type IPv4DeliveryResult, type NetworkRuntimeEngine } from '../src/index.js';
import { GAP_TOLERANCE_MILLISECONDS, javaFrames, watchedEngine, type JavaFrame, type SeenFrame } from './javaRun.js';
import { expectSameCaptures, GAP_TOLERANCE_MILLISECONDS, javaFrames, watchedEngine, type JavaFrame, type SeenFrame } from './javaRun.js';
import type { Scenario } from './scenario.js';
const scenarioDirectory = join(dirname(fileURLToPath(import.meta.url)), 'scenarios');
@@ -142,6 +142,9 @@ describe('RIP as Java FILIUS runs it', () => {
}
}
// Each card's capture, after the startup.
expectSameCaptures(engine, scenario, java.frames, { from: STARTUP_MILLISECONDS, starts: { java: offset, engine: 0 } });
// Each router's table: the same state when the startup is over, then the same changes at about the same times.
for (const router of routers) {
const settled = <T extends [number, Id, string]>(states: T[], until: number): T[] => {