mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
388 lines
13 KiB
Lua
388 lines
13 KiB
Lua
--
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-- Nuclear Generation Facility SCADA Coordinator
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--
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require("/initenv").init_env()
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local comms = require("scada-common.comms")
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local crash = require("scada-common.crash")
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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 configure = require("coordinator.configure")
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local coordinator = require("coordinator.coordinator")
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local iocontrol = require("coordinator.iocontrol")
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local renderer = require("coordinator.renderer")
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local sounder = require("coordinator.sounder")
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local apisessions = require("coordinator.session.apisessions")
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local COORDINATOR_VERSION = "v1.2.1"
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local println = util.println
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local println_ts = util.println_ts
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local log_graphics = coordinator.log_graphics
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local log_sys = coordinator.log_sys
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local log_boot = coordinator.log_boot
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local log_comms = coordinator.log_comms
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local log_crypto = coordinator.log_crypto
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----------------------------------------
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-- get configuration
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----------------------------------------
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-- mount connected devices (required for monitor setup)
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ppm.mount_all()
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local loaded, monitors = coordinator.load_config()
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if loaded ~= 0 then
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-- try to reconfigure (user action)
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local success, error = configure.configure(loaded, monitors)
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if success then
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loaded, monitors = coordinator.load_config()
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assert(loaded == 0, util.trinary(loaded == 1, "failed to load valid configuration", "monitor configuration invalid"))
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else
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assert(success, "coordinator configuration error: " .. error)
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end
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end
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-- passed checks, good now
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---@cast monitors monitors_struct
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local config = coordinator.config
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----------------------------------------
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-- log init
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----------------------------------------
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log.init(config.LogPath, config.LogMode, config.LogDebug)
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log.info("========================================")
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log.info("BOOTING coordinator.startup " .. COORDINATOR_VERSION)
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log.info("========================================")
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println(">> SCADA Coordinator " .. COORDINATOR_VERSION .. " <<")
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crash.set_env("coordinator", COORDINATOR_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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-- system startup
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----------------------------------------
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-- re-mount devices now that logging is ready
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ppm.mount_all()
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-- report versions/init fp PSIL
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iocontrol.init_fp(COORDINATOR_VERSION, comms.version)
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-- init renderer
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renderer.legacy_disable_flow_view(config.DisableFlowView)
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renderer.set_displays(monitors)
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renderer.init_displays()
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renderer.init_dmesg()
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-- lets get started!
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log.info("monitors ready, dmesg output incoming...")
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log_graphics("displays connected and reset")
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log_sys("system start on " .. os.date("%c"))
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log_boot("starting " .. COORDINATOR_VERSION)
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----------------------------------------
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-- setup alarm sounder subsystem
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----------------------------------------
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local speaker = ppm.get_device("speaker")
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if speaker == nil then
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log_boot("annunciator alarm speaker not found")
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println("startup> speaker not found")
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log.fatal("no annunciator alarm speaker found")
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return
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else
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local sounder_start = util.time_ms()
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log_boot("annunciator alarm speaker connected")
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sounder.init(speaker, config.SpeakerVolume)
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log_boot("tone generation took " .. (util.time_ms() - sounder_start) .. "ms")
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log_sys("annunciator alarm configured")
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iocontrol.fp_has_speaker(true)
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end
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----------------------------------------
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-- setup communications
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----------------------------------------
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-- message authentication init
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if type(config.AuthKey) == "string" and string.len(config.AuthKey) > 0 then
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local init_time = network.init_mac(config.AuthKey)
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log_crypto("HMAC init took " .. init_time .. "ms")
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end
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-- get the communications modem
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local modem = ppm.get_wireless_modem()
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if modem == nil then
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log_comms("wireless modem not found")
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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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else
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log_comms("wireless modem connected")
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iocontrol.fp_has_modem(true)
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end
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-- create connection watchdog
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local conn_watchdog = util.new_watchdog(config.SVR_Timeout)
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conn_watchdog.cancel()
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log.debug("startup> conn watchdog created")
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-- create network interface then setup comms
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local nic = network.nic(modem)
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local coord_comms = coordinator.comms(COORDINATOR_VERSION, nic, conn_watchdog)
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log.debug("startup> comms init")
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log_comms("comms initialized")
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-- base loop clock (2Hz, 10 ticks)
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local MAIN_CLOCK = 0.5
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local loop_clock = util.new_clock(MAIN_CLOCK)
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----------------------------------------
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-- start front panel & UI start function
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----------------------------------------
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log_graphics("starting front panel UI...")
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local fp_ok, fp_message = renderer.try_start_fp()
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if not fp_ok then
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log_graphics(util.c("front panel UI error: ", fp_message))
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println_ts("front panel UI creation failed")
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log.fatal(util.c("front panel GUI render failed with error ", fp_message))
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return
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else log_graphics("front panel ready") end
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-- start up the main UI
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---@return boolean ui_ok started ok
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local function start_main_ui()
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log_graphics("starting main UI...")
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local draw_start = util.time_ms()
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local ui_ok, ui_message = renderer.try_start_ui()
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if not ui_ok then
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log_graphics(util.c("main UI error: ", ui_message))
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log.fatal(util.c("main GUI render failed with error ", ui_message))
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else
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log_graphics("main UI draw took " .. (util.time_ms() - draw_start) .. "ms")
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end
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return ui_ok
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end
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----------------------------------------
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-- main event loop
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----------------------------------------
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local link_failed = false
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local ui_ok = true
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local date_format = util.trinary(config.Time24Hour, "%X \x04 %A, %B %d %Y", "%r \x04 %A, %B %d %Y")
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-- start clock
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loop_clock.start()
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log_sys("system started successfully")
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-- main 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 really care if this is our wireless modem
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-- if it is another modem, handle other peripheral losses separately
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if nic.is_modem(device) then
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nic.disconnect()
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log_sys("comms modem disconnected")
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local other_modem = ppm.get_wireless_modem()
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if other_modem then
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log_sys("found another wireless modem, using it for comms")
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nic.connect(other_modem)
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else
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-- close out main UI
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renderer.close_ui()
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-- alert user to status
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log_sys("awaiting comms modem reconnect...")
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iocontrol.fp_has_modem(false)
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end
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else
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log_sys("non-comms modem disconnected")
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end
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elseif type == "monitor" then
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if renderer.handle_disconnect(device) then
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log_sys("lost a configured monitor")
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else
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log_sys("lost an unused monitor")
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end
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elseif type == "speaker" then
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log_sys("lost alarm sounder speaker")
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iocontrol.fp_has_speaker(false)
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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.is_connected() then
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-- reconnected modem
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log_sys("comms modem reconnected")
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nic.connect(device)
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iocontrol.fp_has_modem(true)
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elseif device.isWireless() then
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log.info("unused wireless modem reconnected")
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else
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log_sys("wired modem reconnected")
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end
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elseif type == "monitor" then
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if renderer.handle_reconnect(param1, device) then
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log_sys(util.c("configured monitor ", param1, " reconnected"))
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else
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log_sys(util.c("unused monitor ", param1, " connected"))
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end
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elseif type == "speaker" then
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log_sys("alarm sounder speaker reconnected")
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sounder.reconnect(device)
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iocontrol.fp_has_speaker(true)
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end
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end
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elseif event == "timer" then
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if loop_clock.is_clock(param1) then
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-- main loop tick
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-- toggle heartbeat
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iocontrol.heartbeat()
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-- maintain connection
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if nic.is_connected() then
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local ok, start_ui = coord_comms.try_connect()
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if not ok then
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link_failed = true
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log_sys("supervisor connection failed, shutting down...")
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log.fatal("failed to connect to supervisor")
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break
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elseif start_ui then
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log_sys("supervisor connected, proceeding to main UI start")
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ui_ok = start_main_ui()
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if not ui_ok then break end
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end
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end
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-- iterate sessions
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apisessions.iterate_all()
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-- free any closed sessions
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apisessions.free_all_closed()
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-- update date and time string for main display
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if coord_comms.is_linked() then
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iocontrol.get_db().facility.ps.publish("date_time", os.date(date_format))
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end
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loop_clock.start()
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elseif conn_watchdog.is_timer(param1) then
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-- supervisor watchdog timeout
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log_comms("supervisor server timeout")
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-- close connection, main UI, and stop sounder
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coord_comms.close()
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renderer.close_ui()
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sounder.stop()
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else
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-- a non-clock/main watchdog timer event
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-- check API watchdogs
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apisessions.check_all_watchdogs(param1)
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-- notify timer callback dispatcher
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tcd.handle(param1)
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end
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elseif event == "modem_message" then
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-- got a packet
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local packet = coord_comms.parse_packet(param1, param2, param3, param4, param5)
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-- handle then check if it was a disconnect
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if coord_comms.handle_packet(packet) then
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log_comms("supervisor closed connection")
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-- close connection, main UI, and stop sounder
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coord_comms.close()
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renderer.close_ui()
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sounder.stop()
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end
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elseif event == "monitor_touch" or event == "mouse_click" or event == "mouse_up" or
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event == "mouse_drag" or event == "mouse_scroll" or event == "double_click" 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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elseif event == "speaker_audio_empty" then
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-- handle speaker buffer emptied
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sounder.continue()
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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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-- handle supervisor connection
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coord_comms.try_connect(true)
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if coord_comms.is_linked() then
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log_comms("terminate requested, closing supervisor connection...")
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else link_failed = true end
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coord_comms.close()
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log_comms("supervisor connection closed")
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-- handle API sessions
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log_comms("closing api sessions...")
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apisessions.close_all()
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log_comms("api 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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renderer.close_fp()
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sounder.stop()
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log_sys("system shutdown")
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if link_failed then println_ts("failed to connect to supervisor") end
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if not ui_ok then println_ts("main UI creation failed") end
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-- close on error exit (such as UI error)
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if coord_comms.is_linked() then coord_comms.close() end
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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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pcall(renderer.close_fp)
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pcall(sounder.stop)
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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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