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Add check for possibly nil value

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This commit is contained in:
emanuele-f 2019-01-11 10:41:44 +01:00
parent 40d8c36656
commit fccb39f676
1 changed files with 2 additions and 2 deletions
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4
scripts/lua/modules/timeseries/drivers/rrd.lua
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@ -111,7 +111,7 @@ end
function find_schema(rrdFile, rrdfname, tags, ts_utils)
-- try to guess additional tags
local v = string.split(rrdfname, "%.rrd")
if #v == 2 then
if((v ~= nil) and (#v == 2)) then
local app = v[1]
if interface.getnDPIProtoId(app) ~= -1 then
@ -466,7 +466,7 @@ local function _listSeries(schema, tags_filter, wildcard_tags, start_time)
local v = string.split(f, "%.rrd")
local fpath = base .. "/" .. f
if #v == 2 then
if((v ~= nil) and (#v == 2)) then
local last_update = ntop.rrd_lastupdate(fpath)
if last_update ~= nil and last_update >= start_time then