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--
-- (C) 2019-22 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local checks = require("checks")
--
-- This script is used to by the SyslogLuaEngine class to setup syslog collection
-- and handle incoming events via the handleEvent() callback. This script
-- lives on a private Lua VM (see lua_pcall in SyslogLuaEngine::SyslogLuaEngine()M
--
local syslog_modules = nil
local syslog_conf = nil
-- #################################################################
-- The function below ia called once (#pragma once)
function setup()
local ifid = interface.getId()
syslog_modules = checks.load(ifid, checks.script_types.syslog, "syslog")
local configset = checks.getConfigset()
-- Configuration is global, system-wide
syslog_conf = checks.getConfig(configset, "syslog")
end
-- #################################################################
-- The function below is called for each received alert
function handleEvent(name, message, host, priority)
local event_handler = syslog_modules.hooks["handleEvent"][name]
if(event_handler ~= nil) then
event_handler(syslog_conf, message, host, priority)
end
end
-- #################################################################
-- The function below ia called once (#pragma once)
function teardown()
local all_modules = syslog_modules.modules
for mod_name, syslog_module in pairs(syslog_modules) do
local script = all_modules[mod_name]
if syslog_module.teardown ~= nil then
local conf = checks.getTargetHookConfig(syslog_conf, script)
if conf.enabled then
syslog_module.teardown(conf.script_conf)
end
end
end
end
-- #################################################################
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