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46 lines
1.7 KiB
Lua
46 lines
1.7 KiB
Lua
--
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-- (C) 2013-20 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local discover_utils = require "discover_utils"
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local callback_utils = require "callback_utils"
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local ifnames = interface.getIfNames()
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local periodic_discovery_condition = function(ifId)
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return discover_utils.interfaceNetworkDiscoveryEnabled(ifId)
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end
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local oneshot_discovery_condition = function(ifId)
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return discover_utils.networkDiscoveryRequested(ifId)
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end
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local discovery_function = function(ifname, ifstats)
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if interface.isDiscoverableInterface() then
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traceError(TRACE_INFO,TRACE_CONSOLE, "[Discover] Started periodic discovery on interface "..ifname)
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local res = discover_utils.discover2table(ifname, true --[[ recache --]])
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traceError(TRACE_INFO,TRACE_CONSOLE, "[Discover] Completed periodic discovery on interface "..ifname)
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discover_utils.clearNetworkDiscovery(ifstats.id)
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end
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end
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-- periodic discovery enabled
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local discovery_enabled = (ntop.getPref("ntopng.prefs.is_periodic_network_discovery_enabled") == "1")
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if discovery_enabled then
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local discovery_interval = ntop.getPref("ntopng.prefs.network_discovery_interval")
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if isEmptyString(discovery_interval) then discovery_interval = 15 * 60 --[[ 15 minutes --]] end
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local now = os.time()
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local diff = now % tonumber(discovery_interval)
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if diff < 5 then
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callback_utils.foreachInterface(ifnames, periodic_discovery_condition, discovery_function)
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end
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end
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-- discovery requests performed by the user from the GUI
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callback_utils.foreachInterface(ifnames, oneshot_discovery_condition, discovery_function)
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