pcap-file: synchronize PCAP filename output v1#13643
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July 24, 2025 10:20
PcapFileInfo is a structure which will be referenced by packets/flows. Ticket: 5255
When RX thread was reading packets from multiple PCAPs, it held internally pcap_filename variable of the currently processed PCAP. This variable, accessed through PcapFileGetFilename(), was used to add pcap_filename property to all eve.json events by all threads. However, as RX thread is connected to Worker/Detect threads with queues, packets of previous PCAPs were still in queues, while RX thread was reading different PCAPs. This is a synchronizaiton issue. PcapFileInfo structure is used to reference the PCAP file name. RX thread associates the structure with all packets, Workers in turn associate the flow with the filename. PcapFileGetFilename() is still used when reporting stats events. Ticket: 5255
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## master #13643 +/- ##
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- Coverage 83.69% 83.20% -0.49%
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Files 1011 1012 +1
Lines 275071 275118 +47
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- Hits 230210 228910 -1300
- Misses 44861 46208 +1347
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ERROR: ERROR: QA failed on IPS_AFP_trex. Pipeline = 27052 |
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ERROR: ERROR: QA failed on IPS_AFP_trex. Pipeline = 27054 |
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ERROR: ERROR: QA failed on IPS_AFP_trex. Pipeline = 27056 |
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no idea how this is causing a failure at the same spot. the weird part is that isn't even the suricata side. |
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continue in #13652 |
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Link to ticket: https://redmine.openinfosecfoundation.org/issues/5255
Describe changes:
When RX thread was reading packets from multiple PCAPs, it held
internally pcap_filename variable of the currently processed PCAP.
This variable, accessed through PcapFileGetFilename(), was used to add
pcap_filename property to all eve.json events by all threads.
However, as RX thread is connected to Worker/Detect threads with queues,
packets of previous PCAPs were still in queues, while RX thread was
reading different PCAPs. This is a synchronizaiton issue.
PcapFileInfo structure is used to reference the PCAP file name. RX
thread associates the structure with all packets, Workers in turn
associate the flow with the filename. PcapFileGetFilename() is still
used when reporting stats events.