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32 lines
1.1 KiB
Markdown
32 lines
1.1 KiB
Markdown
Traffic Quotas
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==============
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Technical Notes
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---------------
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Stats Update
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~~~~~~~~~~~~
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ntopng keeps traffic quotas (total and per nDPI protocol) for each Host and Host Pool.
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Both Host and Host Pools use the HostPoolStats class to store traffic information about quotas.
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Quotas statistics for Hosts are updates in the HostStats class through the incQuotaEnforcementStats()
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method which updates the stats object.
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Quotas statistics for Host Pools are updated in the HostPools class through the incPoolStats()
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method which updates the quota_enforcement_stats object.
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Both Host and Host Pools statistics are incremented from the Flow class which is calling
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HostPools::incPoolStats() and Host::incQuotaEnforcementStats() in Flow::update_pools_stats()
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called by Flow::hosts_periodic_stats_update() which is called by Flow::periodic_stats_update()
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Stats Retrieval
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~~~~~~~~~~~~~~~
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The GUI can access Hosts and Host Pools quotas statistics through two Lua APIs implemented
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in C++:
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- interface.getHostUsedQuotasStats()
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- interface.getHostPoolsStats()
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See pro/scripts/lua/pool_details_ndpi.lua used by pool_details.lua for an example.
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