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62 lines
2.1 KiB
Lua
62 lines
2.1 KiB
Lua
--
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-- (C) 2019-21 - ntop.org
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--
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-- ##############################################
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local alert_keys = require "alert_keys"
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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-- Import the classes library.
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local classes = require "classes"
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-- Make sure to import the Superclass!
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local alert = require "alert"
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-- ##############################################
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local alert_too_many_drops = classes.class(alert)
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-- ##############################################
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alert_too_many_drops.meta = {
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alert_key = alert_keys.ntopng.alert_too_many_drops,
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i18n_title = "alerts_dashboard.too_many_drops",
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icon = "fas fa-tint",
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}
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-- ##############################################
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-- @brief Prepare an alert table used to generate the alert
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-- @param drops The number of dropped packets
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-- @param drop_perc The percentage of dropped packets with reference to the total number of packets (recevied + dropped)
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-- @param threshold A number indicating the threshold compared with `drop_perc`
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-- @return A table with the alert built
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function alert_too_many_drops:init(drops, drop_perc, threshold)
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-- Call the parent constructor
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self.super:init()
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self.alert_type_params = {
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drops = drops,
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drop_perc = drop_perc,
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edge = threshold,
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}
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end
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-- #######################################################
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-- @brief Format an alert into a human-readable string
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-- @param ifid The integer interface id of the generated alert
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-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
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-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
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-- @return A human-readable string
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function alert_too_many_drops.format(ifid, alert, alert_type_params)
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local alert_consts = require("alert_consts")
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local entity = alert_consts.formatAlertEntity(ifid, alert_consts.alertEntityRaw(alert["alert_entity"]), alert["alert_entity_val"])
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local max_drop_perc = alert_type_params.threshold or 0
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return(i18n("alert_messages.too_many_drops", {iface = entity, max_drops = max_drop_perc}))
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end
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-- #######################################################
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return alert_too_many_drops
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