mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
111 lines
3.3 KiB
Lua
111 lines
3.3 KiB
Lua
--
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-- Nuclear Generation Facility SCADA Supervisor
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--
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local log = require("scada-common.log")
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local ppm = require("scada-common.ppm")
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local util = require("scada-common.util")
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local coordinator = require("session.coordinator")
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local plc = require("session.plc")
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local rtu = require("session.rtu")
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local svsessions = require("session.svsessions")
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local config = require("config")
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local supervisor = require("supervisor")
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local SUPERVISOR_VERSION = "alpha-v0.3.1"
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local print = util.print
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local println = util.println
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local print_ts = util.print_ts
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local println_ts = util.println_ts
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log.init(config.LOG_PATH, config.LOG_MODE)
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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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-- mount connected devices
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ppm.mount_all()
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local modem = ppm.get_wireless_modem()
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if modem == nil then
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println("boot> wireless modem not found")
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log.warning("no wireless modem on startup")
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return
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end
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-- start comms, open all channels
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local superv_comms = supervisor.comms(config.NUM_REACTORS, modem, config.SCADA_DEV_LISTEN, config.SCADA_SV_LISTEN)
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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 = os.startTimer(MAIN_CLOCK)
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-- event loop
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while true do
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local event, param1, param2, param3, param4, param5 = os.pullEventRaw()
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-- handle event
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if event == "peripheral_detach" then
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local device = ppm.handle_unmount(param1)
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if device.type == "modem" then
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-- we only care if this is our wireless modem
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if device.dev == modem then
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println_ts("wireless modem disconnected!")
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log.error("comms modem disconnected!")
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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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elseif event == "peripheral" then
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local type, device = ppm.mount(param1)
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if type == "modem" then
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if device.isWireless() then
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-- reconnected modem
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modem = device
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superv_comms.reconnect_modem(modem)
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println_ts("wireless modem reconnected.")
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log.info("comms modem reconnected.")
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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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elseif event == "timer" and param1 == loop_clock then
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-- main loop tick
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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 = os.startTimer(MAIN_CLOCK)
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elseif event == "timer" then
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-- another timer event, check watchdogs
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svsessions.check_all_watchdogs(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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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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println_ts("exited")
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log.info("exited")
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