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feat(core): the packet capture's table after Java's Lauscher, measured against Java's own tables

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captureRows.ts builds Java's rows per frame (Lauscher.datenVorbereiten):
Ethernet; ARP, ICMP or IP; TCP or UDP; the data with Java's protocol
recognition; with addresses and ports or ports only. The comment stays
structured; captureCommentText says it with given words and numbers.

ScenarioNetwork writes Java's finished tables per card (Lauscher.getDaten,
German locale); all runtime runs are recorded again, NatRun has ttlOut.
expectSameCaptures compares both views for every frame. Fixed where the
engine differed: an ARP request's target MAC is the broadcast address,
an ICMP error's identifier and sequence number are 0 (RFC 792), and host
unreachable from a router carries the packet as forwarded. Not taken:
Java's lower-case broadcast address in a reply to 0.0.0.0, and the typo
'Exeeded'. RIP keeps its recordings: Java's staggered router start now
gives a different startup on this machine.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
julian.kiedaisch
2026-10-01 15:11:05 +00:00
co-authored by Claude Opus 5.5
parent 0a34f3a4c4
commit 21a404693c
55 changed files with 37423 additions and 1321 deletions
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packages/core/test/dhcpJava.test.ts
+3 -3
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@@ -16,12 +16,12 @@ import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { describe, expect, it } from 'vitest';
import { stableMacAddress } from '../src/index.js';
import { expectSameCaptures, GAP_TOLERANCE_MILLISECONDS, javaFrames, watchedEngine, type JavaFrame, type SeenFrame } from './javaRun.js';
import { expectSameCaptures, GAP_TOLERANCE_MILLISECONDS, javaFrames, watchedEngine, type JavaFrame, type SeenFrame, type JavaTables } from './javaRun.js';
import { type Scenario } from './scenario.js';
const scenarioDirectory = join(dirname(fileURLToPath(import.meta.url)), 'scenarios');
interface JavaRun {
interface JavaRun extends JavaTables {
frames: Record<string, JavaFrame[]>;
devices: Record<string, [string, string, string, string]>;
}
@@ -89,7 +89,7 @@ describe('DHCP as Java FILIUS runs it', () => {
// Each card's capture, with one client: of two that start together, Java's
// log loses the DISCOVER of the one that sends second, and which sends
// first varies (javaRun.ts).
if (clients.length === 1) expectSameCaptures(engine.engine, scenario, java.frames, { text: (text) => text.replace(LINK_LOCAL, '169.254.1.x') });
if (clients.length === 1) expectSameCaptures(engine.engine, scenario, java.frames, { text: (text) => text.replace(LINK_LOCAL, '169.254.1.x'), tables: java });
const linkLocal = (devices: Record<string, string[]>) =>
Object.fromEntries(Object.entries(devices).map(([node, device]) => [node, device.map((value) => value.replace(LINK_LOCAL, '169.254.1.x'))]));
expect(linkLocal(engine.devices)).toEqual(linkLocal(java.devices));