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Move services check at startup

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This commit is contained in:
emanuele-f 2018-11-26 12:04:45 +01:00
parent 919436037c
commit 6ca5e38587
4 changed files with 32 additions and 14 deletions
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19
scripts/lua/modules/recording_utils.lua
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@ -14,6 +14,7 @@ local extraction_queue_key = "ntopng.traffic_recording.extraction_queue"
local extraction_stop_queue_key = "ntopng.traffic_recording.extraction_stop_queue"
local extraction_seqnum_key = "ntopng.traffic_recording.extraction_seqnum"
local extraction_jobs_key = "ntopng.traffic_recording.extraction_jobs"
local IS_AVAILABLE_KEY = "ntopng.cache.traffic_recording_available"
local recording_utils = {}
@ -72,13 +73,23 @@ function recording_utils.isSupportedInterface(ifid)
return false
end
-- only called during boot
function recording_utils.checkAvailable()
local is_available = false
if(not ntop.isWindows())
and (not ntop.isnEdge())
and os_utils.hasService("n2disk", getInterfaceName(getFirstInterfaceId())) then
is_available = true
end
ntop.setCache(IS_AVAILABLE_KEY, ternary(is_available, "1", "0"))
end
--! @brief Check if traffic recording is available and allowed for the current user on an interface
--! @return true if recording is available, false otherwise
function recording_utils.isAvailable()
if isAdministrator() and
not ntop.isWindows() and
not ntop.isnEdge()
and os_utils.hasService("n2disk", getInterfaceName(getFirstInterfaceId())) then
if isAdministrator() and (ntop.getCache(IS_AVAILABLE_KEY) == "1") then
return true
end
return false