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74 lines
2.3 KiB
Lua
74 lines
2.3 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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local json = require "dkjson"
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local format_utils = require "format_utils"
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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_iec104_error = classes.class(alert)
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-- ##############################################
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alert_iec104_error.meta = {
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alert_key = alert_keys.ntopng.alert_iec104_error,
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i18n_title = "alerts_dashboard.iec104_error",
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icon = "fas fa-subway",
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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 last_error A string with the lastest influxdb error
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-- @return A table with the alert built
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function alert_iec104_error:init(last_error)
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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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error_msg = last_error
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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_iec104_error.format(ifid, alert, alert_type_params)
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local msg = json.decode(alert_type_params.error_msg)
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local vlanId = alert.vlanId or 0
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local client = ip2label(msg.client.ip, msg.vlanId)
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local server = ip2label(msg.server.ip, msg.vlanId)
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local rsp = format_utils.formatEpoch(msg.timestamp)..": " ..
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"<A HREF=\""..hostinfo2detailsurl(client) .."\">".. msg.client.ip .."</A>"..
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" <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\" data-original-title=\"\" title=\"\"></i>" ..
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"<A HREF=\""..hostinfo2detailsurl(server) .."\">".. msg.server.ip .."</A>"..
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" [CauseTX: "..msg.cause_tx.."][TypeId: "..msg.type_id.."][ASDU: ".. msg.asdu.."][Negative: "
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if(msg.negatiive == false) then
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rsp = rsp .. "True]"
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else
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rsp = rsp .. "False]"
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end
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-- tprint(rsp)
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return(rsp)
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end
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-- #######################################################
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return alert_iec104_error
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