| Commit message (Collapse) | Author | Age |
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The "domain classify" data structure is immutable, since it uses
"bitmap64".
Allow to finalize it before starting to process packets (i.e. before
calling `ndpi_domain_classify_contains()`) to avoid, in the data-path,
all the memory allocations due to compression.
Calling `ndpi_domain_classify_finalize()` is optional.
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Fix compilation on Windows.
"dirent.h" file has been taken from https://github.com/tronkko/dirent/
Fix Python bindings
Fix some warnings with x86_64-w64-mingw32-gcc:
```
protocols/dns.c: In function ‘ndpi_search_dns’:
protocols/dns.c:775:41: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
775 | unsigned long first_element_len = (unsigned long)dot - (unsigned long)_hostname;
| ^
protocols/dns.c:775:62: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
775 | unsigned long first_element_len = (unsigned long)dot - (unsigned long)_hostname;
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```
```
In file included from ndpi_bitmap64.c:31:
third_party/include/binaryfusefilter.h: In function ‘binary_fuse8_hash’:
third_party/include/binaryfusefilter.h:160:32: error: left shift count >= width of type [-Werror=shift-count-overflow]
160 | uint64_t hh = hash & ((1UL << 36) - 1);
```
```
In function ‘ndpi_match_custom_category’,
inlined from ‘ndpi_fill_protocol_category.part.0’ at ndpi_main.c:7056:16:
ndpi_main.c:3419:3: error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
3419 | strncpy(buf, name, name_len);
```
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It is similar to ndpi_filter but based on binary search and with
the ability to store a category per value (as ndpi_domain_classify)
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probabilistic
approach for handling Internet domain names.
For switching back to Aho-Corasick it is necessary to edit
ndpi-typedefs.h and uncomment the line
// #define USE_LEGACY_AHO_CORASICK
[1] With Aho-Corasick
$ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory
nDPI Memory statistics:
nDPI Memory (once): 37.34 KB
Flow Memory (per flow): 960 B
Actual Memory: 33.09 MB
Peak Memory: 33.09 MB
[2] With the new algorithm
$ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory
nDPI Memory statistics:
nDPI Memory (once): 37.31 KB
Flow Memory (per flow): 960 B
Actual Memory: 7.42 MB
Peak Memory: 7.42 MB
In essence from ~33 MB to ~7 MB
This new algorithm will enable larger lists to be loaded (e.g. top 1M domans
https://s3-us-west-1.amazonaws.com/umbrella-static/index.html)
In ./lists there are file names that are named as <category>_<string>.list
With -G ndpiReader can load all of them at startup
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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