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ndpiReader: add statistics about nDPI performance (#1240)

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The goal is to have a (roughly) idea about how many packets nDPI needs
to properly classify a flow.

Log this information (and guessed flows number too) during unit tests,
to keep track of improvements/regressions across commits.
This commit is contained in:
Ivan Nardi 2021-07-13 12:28:39 +02:00 • committed by GitHub
parent 96b71def49
commit cccf794265
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219 changed files with 989 additions and 0 deletions
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13
example/reader_util.c
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@ -893,6 +893,12 @@ static struct ndpi_flow_info *get_ndpi_flow_info(struct ndpi_workflow * workflow
ndpi_tsearch(newflow, &workflow->ndpi_flows_root[idx], ndpi_workflow_node_cmp); /* Add */
workflow->stats.ndpi_flow_count++;
if(*proto == IPPROTO_TCP)
workflow->stats.flow_count[0]++;
else if(*proto == IPPROTO_UDP)
workflow->stats.flow_count[1]++;
else
workflow->stats.flow_count[2]++;
*src = newflow->src_id, *dst = newflow->dst_id;
newflow->entropy.src2dst_pkt_len[newflow->entropy.src2dst_pkt_count] = l4_data_len;
@ -1511,6 +1517,13 @@ static struct ndpi_proto packet_processing(struct ndpi_workflow * workflow,
printf("%s()\n", __FUNCTION__);
#endif
if(proto == IPPROTO_TCP)
workflow->stats.dpi_packet_count[0]++;
else if(proto == IPPROTO_UDP)
workflow->stats.dpi_packet_count[1]++;
else
workflow->stats.dpi_packet_count[2]++;
flow->detected_protocol = ndpi_detection_process_packet(workflow->ndpi_struct, ndpi_flow,
iph ? (uint8_t *)iph : (uint8_t *)iph6,
ipsize, time_ms, src, dst);