mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
230 lines
7.4 KiB
Lua
230 lines
7.4 KiB
Lua
--
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-- Nuclear Generation Facility SCADA Supervisor
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--
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require("/initenv").init_env()
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local crash = require("scada-common.crash")
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local comms = require("scada-common.comms")
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local log = require("scada-common.log")
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local network = require("scada-common.network")
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local ppm = require("scada-common.ppm")
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local tcd = require("scada-common.tcd")
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local util = require("scada-common.util")
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local core = require("graphics.core")
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local config = require("supervisor.config")
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local databus = require("supervisor.databus")
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local renderer = require("supervisor.renderer")
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local supervisor = require("supervisor.supervisor")
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local svsessions = require("supervisor.session.svsessions")
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local SUPERVISOR_VERSION = "v0.19.0"
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local println = util.println
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local println_ts = util.println_ts
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----------------------------------------
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-- config validation
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----------------------------------------
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local cfv = util.new_validator()
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cfv.assert_channel(config.SVR_CHANNEL)
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cfv.assert_channel(config.PLC_CHANNEL)
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cfv.assert_channel(config.RTU_CHANNEL)
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cfv.assert_channel(config.CRD_CHANNEL)
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cfv.assert_channel(config.PKT_CHANNEL)
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cfv.assert_type_int(config.TRUSTED_RANGE)
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cfv.assert_type_num(config.PLC_TIMEOUT)
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cfv.assert_min(config.PLC_TIMEOUT, 2)
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cfv.assert_type_num(config.RTU_TIMEOUT)
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cfv.assert_min(config.RTU_TIMEOUT, 2)
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cfv.assert_type_num(config.CRD_TIMEOUT)
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cfv.assert_min(config.CRD_TIMEOUT, 2)
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cfv.assert_type_num(config.PKT_TIMEOUT)
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cfv.assert_min(config.PKT_TIMEOUT, 2)
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cfv.assert_type_int(config.NUM_REACTORS)
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cfv.assert_type_table(config.REACTOR_COOLING)
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cfv.assert_type_str(config.LOG_PATH)
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cfv.assert_type_int(config.LOG_MODE)
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assert(cfv.valid(), "bad config file: missing/invalid fields")
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cfv.assert_eq(#config.REACTOR_COOLING, config.NUM_REACTORS)
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assert(cfv.valid(), "config: number of cooling configs different than number of units")
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for i = 1, config.NUM_REACTORS do
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cfv.assert_type_table(config.REACTOR_COOLING[i])
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assert(cfv.valid(), "config: missing cooling entry for reactor " .. i)
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cfv.assert_type_int(config.REACTOR_COOLING[i].BOILERS)
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cfv.assert_type_int(config.REACTOR_COOLING[i].TURBINES)
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assert(cfv.valid(), "config: missing boilers/turbines for reactor " .. i)
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cfv.assert_min(config.REACTOR_COOLING[i].BOILERS, 0)
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cfv.assert_min(config.REACTOR_COOLING[i].TURBINES, 1)
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assert(cfv.valid(), "config: bad number of boilers/turbines for reactor " .. i)
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end
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----------------------------------------
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-- log init
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----------------------------------------
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log.init(config.LOG_PATH, config.LOG_MODE, config.LOG_DEBUG == true)
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log.info("========================================")
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log.info("BOOTING supervisor.startup " .. SUPERVISOR_VERSION)
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log.info("========================================")
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println(">> SCADA Supervisor " .. SUPERVISOR_VERSION .. " <<")
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crash.set_env("supervisor", SUPERVISOR_VERSION)
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----------------------------------------
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-- main application
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----------------------------------------
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local function main()
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----------------------------------------
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-- startup
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----------------------------------------
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-- record firmware versions and ID
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databus.tx_versions(SUPERVISOR_VERSION, comms.version)
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-- mount connected devices
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ppm.mount_all()
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-- message authentication init
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if type(config.AUTH_KEY) == "string" then
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network.init_mac(config.AUTH_KEY)
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end
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-- get modem
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local modem = ppm.get_wireless_modem()
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if modem == nil then
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println("startup> wireless modem not found")
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log.fatal("no wireless modem on startup")
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return
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end
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databus.tx_hw_modem(true)
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-- start UI
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local fp_ok, message = pcall(renderer.start_ui)
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if not fp_ok then
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renderer.close_ui()
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println_ts(util.c("UI error: ", message))
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log.error(util.c("GUI crashed with error ", message))
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else
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-- redefine println_ts local to not print as we have the front panel running
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println_ts = function (_) end
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end
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-- create network interface then setup comms
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local nic = network.nic(modem)
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local superv_comms = supervisor.comms(SUPERVISOR_VERSION, nic, fp_ok)
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-- base loop clock (6.67Hz, 3 ticks)
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local MAIN_CLOCK = 0.15
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local loop_clock = util.new_clock(MAIN_CLOCK)
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-- start clock
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loop_clock.start()
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-- halve the rate heartbeat LED flash
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local heartbeat_toggle = true
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-- event loop
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while true do
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local event, param1, param2, param3, param4, param5 = util.pull_event()
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-- handle event
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if event == "peripheral_detach" then
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local type, device = ppm.handle_unmount(param1)
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if type ~= nil and device ~= nil then
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if type == "modem" then
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-- we only care if this is our wireless modem
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if nic.is_modem(device) then
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nic.disconnect()
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println_ts("wireless modem disconnected!")
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log.warning("comms modem disconnected")
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databus.tx_hw_modem(false)
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else
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log.warning("non-comms modem disconnected")
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end
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end
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end
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elseif event == "peripheral" then
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local type, device = ppm.mount(param1)
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if type ~= nil and device ~= nil then
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if type == "modem" then
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if device.isWireless() and not nic.connected() then
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-- reconnected modem
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nic.connect(device)
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println_ts("wireless modem reconnected.")
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log.info("comms modem reconnected")
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databus.tx_hw_modem(true)
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else
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log.info("wired modem reconnected")
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end
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end
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end
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elseif event == "timer" and loop_clock.is_clock(param1) then
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-- main loop tick
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if heartbeat_toggle then databus.heartbeat() end
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heartbeat_toggle = not heartbeat_toggle
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-- iterate sessions
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svsessions.iterate_all()
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-- free any closed sessions
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svsessions.free_all_closed()
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loop_clock.start()
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elseif event == "timer" then
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-- a non-clock timer event, check watchdogs
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svsessions.check_all_watchdogs(param1)
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-- notify timer callback dispatcher
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tcd.handle(param1)
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elseif event == "modem_message" then
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-- got a packet
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local packet = superv_comms.parse_packet(param1, param2, param3, param4, param5)
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superv_comms.handle_packet(packet)
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elseif event == "mouse_click" or event == "mouse_up" or event == "mouse_drag" or event == "mouse_scroll" then
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-- handle a mouse event
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renderer.handle_mouse(core.events.new_mouse_event(event, param1, param2, param3))
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end
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-- check for termination request
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if event == "terminate" or ppm.should_terminate() then
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println_ts("closing sessions...")
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log.info("terminate requested, closing sessions...")
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svsessions.close_all()
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log.info("sessions closed")
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break
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end
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end
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renderer.close_ui()
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util.println_ts("exited")
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log.info("exited")
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end
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if not xpcall(main, crash.handler) then
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pcall(renderer.close_ui)
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crash.exit()
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else
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log.close()
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end
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