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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
Download Patch File Download Diff File Expand all files Collapse all files
packages/core/test/scenarios/tcp-java-lostSynAck.java.json
+44 -26
View File
@@ -2,7 +2,7 @@
"frames": {
"00000000-0000-0000-0000-000000000101": [
{
"time": 855,
"time": 850,
"source": "02:00:00:00:01:12",
"destination": "FF:FF:FF:FF:FF:FF",
"arp": 1,
@@ -10,7 +10,7 @@
"targetIp": "192.168.0.10"
},
{
"time": 856,
"time": 852,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"arp": 2,
@@ -18,13 +18,13 @@
"targetIp": "192.168.0.20"
},
{
"time": 1083,
"time": 1079,
"source": "02:00:00:00:01:12",
"destination": "02:00:00:00:01:11",
"sourceIp": "192.168.0.20",
"destinationIp": "192.168.0.10",
"protocol": 6,
"sourcePort": 52633,
"sourcePort": 52891,
"destinationPort": 80,
"payload": null,
"tcpFlags": "S",
@@ -32,28 +32,28 @@
"acknowledgement": 0
},
{
"time": 1085,
"time": 1081,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"sourceIp": "192.168.0.10",
"destinationIp": "192.168.0.20",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 52633,
"destinationPort": 52891,
"payload": null,
"tcpFlags": "SA",
"sequence": 1000000,
"acknowledgement": 2000001
},
{
"time": 17585,
"time": 17582,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"sourceIp": "192.168.0.10",
"destinationIp": "192.168.0.20",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 52633,
"destinationPort": 52891,
"payload": null,
"tcpFlags": "F",
"sequence": 1000001,
@@ -62,7 +62,7 @@
],
"00000000-0000-0000-0000-000000000102": [
{
"time": 733,
"time": 728,
"source": "02:00:00:00:01:12",
"destination": "FF:FF:FF:FF:FF:FF",
"arp": 1,
@@ -70,7 +70,7 @@
"targetIp": "192.168.0.10"
},
{
"time": 968,
"time": 963,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"arp": 2,
@@ -78,13 +78,13 @@
"targetIp": "192.168.0.20"
},
{
"time": 970,
"time": 966,
"source": "02:00:00:00:01:12",
"destination": "02:00:00:00:01:11",
"sourceIp": "192.168.0.20",
"destinationIp": "192.168.0.10",
"protocol": 6,
"sourcePort": 52633,
"sourcePort": 52891,
"destinationPort": 80,
"payload": null,
"tcpFlags": "S",
@@ -92,14 +92,14 @@
"acknowledgement": 0
},
{
"time": 17697,
"time": 17694,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"sourceIp": "192.168.0.10",
"destinationIp": "192.168.0.20",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 52633,
"destinationPort": 52891,
"payload": null,
"tcpFlags": "F",
"sequence": 1000001,
@@ -108,63 +108,81 @@
],
"00000000-0000-0000-0000-000000000103": [
{
"time": 855,
"time": 850,
"source": "02:00:00:00:01:12",
"destination": "FF:FF:FF:FF:FF:FF",
"arp": 1,
"senderIp": "192.168.0.20",
"targetIp": "192.168.0.10"
},
{
"time": 17696,
"source": "02:00:00:00:01:11",
"destination": "02:00:00:00:01:12",
"sourceIp": "192.168.0.10",
"destinationIp": "192.168.0.20",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 52891,
"payload": null,
"tcpFlags": "F",
"sequence": 1000001,
"acknowledgement": 0
}
]
},
"events": [
[
218,
213,
"server oeffnen called"
],
[
719,
714,
"client verbinden called"
],
[
1085,
1081,
"lost SYN+ACK"
],
[
9025,
9019,
"client verbinden failed TimeOutException"
],
[
17632,
17626,
"server oeffnen returned"
]
],
"states": {
"server": [
[
221,
215,
"CLOSED"
],
[
217,
"LISTEN"
],
[
1085,
1081,
"SYN_RCVD"
],
[
17585,
17582,
"FIN_WAIT_1"
]
],
"client": [
[
719,
713,
"CLOSED"
],
[
731,
724,
"SYN_SENT"
],
[
8980,
8974,
"CLOSED"
]
]