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--
-- (C) 2013-22 - ntop.org
--
require "lua_utils"
local sys_utils = require "sys_utils"
local rest_utils = require("rest_utils")
local conf_utils = {}
local dirs = ntop.getDirs()
local dir = dirs.bindir.."/ntopng-config"
local redis_key = "increased_max_num_host_or_flows"
-- ################################################################
function conf_utils.increase_num_host_num_flows(incr_num_hosts, incr_num_flows)
local exit_status = ""
-- Double the value of the hosts or of the flows
if incr_num_hosts then
exit_status = sys_utils.execShellCmd(dir .. " -x x2")
elseif incr_num_flows then
exit_status = sys_utils.execShellCmd(dir .. " -X x2")
end
local res = {
exit_status = exit_status
}
if string.find(exit_status, "succesfully changed") then
-- Set the redis key for the restart
ntop.setCache(redis_key, true)
rest_utils.answer(rest_utils.consts.success.ok, res)
return
end
rest_utils.answer(rest_utils.consts.err.internal_error, res)
end
-- #################################
function conf_utils.restart_required()
if ntop.getCache(redis_key) == '' then
return false
end
return true
end
-- #################################
function conf_utils.reset()
if ntop.getCache(redis_key) ~= '' then
ntop.delCache(redis_key)
end
end
-- #################################
return conf_utils
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