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* Major nDPId extension. Sorry for the huge commit.Toni Uhlig2022-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - nDPId: fixed invalid IP4/IP6 tuple compare - nDPIsrvd: fixed caching issue (finally) - added tiny c example (can be used to check flow manager sanity) - c-captured: use flow_last_seen timestamp from `struct nDPIsrvd_flow` - README.md update: added example JSON sequence - nDPId: added new flow event `update` necessary for correct timeout handling (and other future use-cases) - nDPIsrvd.h and nDPIsrvd.py: switched to an instance (consists of an alias/source tuple) based flow manager - every flow related event **must** now serialize `alias`, `source`, `flow_id`, `flow_last_seen` and `flow_idle_time` to make the timeout handling and verification process work correctly - nDPIsrvd.h: ability to profile any dynamic memory (de-)allocation - nDPIsrvd.py: removed PcapPacket class (unused) - py-flow-dashboard and py-flow-multiprocess: fixed race condition - py-flow-info: print statusbar with probably useful information - nDPId/nDPIsrvd.h: switched from packet-flow only timestamps (`pkt_*sec`) to a generic flow event timestamp `ts_msec` - nDPId-test: added additional checks - nDPId: increased ICMP flow timeout - nDPId: using event based i/o if capturing packets from a device - nDPIsrvd: fixed memory leak on shutdown if remote descriptors were still connected Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed some typ0's and reduced ICMP timeout to 10s.Toni Uhlig2021-09-16
| | | | | | | * nDPId: Renamed some of the misleading terms, still TODO for nDPIsrvd * CMake improvments Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Improved nDPIsrvd buffer bloat handling using caching.Toni Uhlig2021-08-04
| | | | | | | * still allow blocking mode (with send timeout) * improved daemon start/stop test script Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added zLib compression parameters to control compression conditions.Toni Uhlig2021-06-16
| | | | | | | | * more structs are now "compressable" * fixed missing DAEMON_RECONNECT event * improved memory profiler Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Use layer4 specific flow timeouts.Toni Uhlig2021-05-13
| | | | | | * default values "stolen" from nf_conntrack Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Reverted internal ndpi structs to dynamic memory allocation hoping that it ↵Toni Uhlig2021-03-26
| | | | | | | | | | will help to reduce the average memory consumption. How? After the detection finished, internal ndpi structs can be free'd as they are not needed anymore. * Set the amount of max. packets to process via subopt. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd C API overhaul and massive simplification.Toni Uhlig2021-02-06
| | | | | | | | * nDPIsrvd.h does flow mgmt out of the box * dissect received JSON strings via callback * added new JSON key/values for packet-flows (usecTimestamp/L3/L4 info) Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed braindead failure - Increase of NETWORK_BUFFER_MAX_SIZE > 9999 means ↵Toni Uhlig2021-01-27
| | | | | | | | | to also increase NETWORK_BUFFER_LENGTH_DIGITS to 5. * Fixed ARM32 xcompile warnings; Other GCC versions, other uint64_t's.. * Replaced ridiculous nDPIsrvd_JSON_BYTES with NETWORK_BUFFER_LENGTH_DIGITS. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Increased JSON buffer size to 12288 (libnDPI serializes more and more ↵Toni Uhlig2021-01-27
| | | | | | | | | | | information). * Making Compare&Fetch mandatory. * Added some more Compare&Fetch to prevent TSAN complaining about data races. Fixed possible but more ore less harmless data races during shutdown process. * Shrink SIGNAL handler to a minimum. SYSV Signal handling and MT-safety is awkward. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added internal/external packet processing modes. #2Toni Uhlig2021-01-10
| | | | | | * fixed incorrect handling of skipped flows Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Increased network buffer size for python scripts (and raise exception if ↵Toni Uhlig2021-01-08
| | | | | | capacity reached). Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Improved testing capabilities via Makefile.Toni Uhlig2020-12-15
| | | | | | * increased nDPId_MAX_READER_THREADS to 32 Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Increased serialization buffer size as required for recent nDPI builds.Toni Uhlig2020-11-18
| | | | | | | * added .gitignore to prevent SCM check-ins of unwanted files * fixed invalid include path for python examples Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd: Added very important warning and use UDS now by default.Toni Uhlig2020-09-29
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Added new flow event: FLOW_EVENT_DETECTION_UPDATEToni Uhlig2020-09-25
| | | | | | | * This event will be triggered when nDPI detection has some new information for us (hopefully). * Detection change is based on hashing with 32-bit murmur3 certain members of the ndpi flow struct. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd: Change user/group, allow listening on UNIX socket for incoming ↵Toni Uhlig2020-09-05
| | | | | | distributor connections Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Increased network buffer size from 8448 to 9216 with the hope that it might ↵Toni Uhlig2020-08-27
| | | | | | be finally enough. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId: Improved command line option parsing, app usage and subopts for ↵Toni Uhlig2020-08-26
| | | | | | (carefully) tuning some daemon options. Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* adjust some config valuesToni Uhlig2020-08-15
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId: removed unused code, process remaining flows on shutdown (useful for ↵Toni Uhlig2020-08-14
| | | | | | replaying pcap files) Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* improved TCP-FIN/TCP-RST and TCP-keepalive/-idle timeout handlingToni Uhlig2020-08-13
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPIsrvd sighandler and cmd opt parserToni Uhlig2020-08-06
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* nDPId daemonize / pidfile support + improved syslog loggingToni Uhlig2020-08-05
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* introduced NETWORK_BUFFER_MAX_SIZE to replace BUFSIZ as this might change ↵Toni Uhlig2020-08-04
| | | | | | depending on the arch/libc used Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* moved more default config options into config.hToni Uhlig2020-08-04
| | | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* merged some pre-processor macros which are used in multiple executablesToni Uhlig2020-08-04
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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