mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
395 lines
13 KiB
Lua
395 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 crash = require("scada-common.crash")
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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 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("coordinator.config")
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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 = "v0.16.0"
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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_comms_connecting = coordinator.log_comms_connecting
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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.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.SV_TIMEOUT)
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cfv.assert_min(config.SV_TIMEOUT, 2)
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cfv.assert_type_num(config.API_TIMEOUT)
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cfv.assert_min(config.API_TIMEOUT, 2)
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cfv.assert_type_int(config.NUM_UNITS)
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cfv.assert_type_num(config.SOUNDER_VOLUME)
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cfv.assert_type_bool(config.TIME_24_HOUR)
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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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----------------------------------------
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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 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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-- mount connected devices
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ppm.mount_all()
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-- setup monitors
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local configured, monitors = coordinator.configure_monitors(config.NUM_UNITS)
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if not configured or monitors == nil then
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println("startup> monitor setup failed")
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log.fatal("monitor configuration failed")
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return
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end
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-- init renderer
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renderer.set_displays(monitors)
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renderer.init_displays()
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if not renderer.validate_main_display_width() then
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println("startup> main display must be 8 blocks wide")
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log.fatal("main display not wide enough")
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return
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elseif not renderer.validate_unit_display_sizes() then
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println("startup> one or more unit display dimensions incorrect; they must be 4x4 blocks")
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log.fatal("unit display dimensions incorrect")
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return
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end
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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.SOUNDER_VOLUME)
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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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end
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----------------------------------------
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-- setup communications
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----------------------------------------
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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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end
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-- create connection watchdog
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local conn_watchdog = util.new_watchdog(config.SV_TIMEOUT)
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conn_watchdog.cancel()
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log.debug("startup> conn watchdog created")
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-- start comms, open all channels
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local coord_comms = coordinator.comms(COORDINATOR_VERSION, modem, config.CRD_CHANNEL, config.SVR_CHANNEL,
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config.PKT_CHANNEL, config.TRUSTED_RANGE, 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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-- connect to the supervisor
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----------------------------------------
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-- attempt to connect to the supervisor or exit
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local function init_connect_sv()
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local tick_waiting, task_done = log_comms_connecting("attempting to connect to configured supervisor on channel " .. config.SVR_CHANNEL)
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-- attempt to establish a connection with the supervisory computer
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if not coord_comms.sv_connect(60, tick_waiting, task_done) then
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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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return false
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end
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return true
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end
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if not init_connect_sv() then
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println("startup> failed to connect to supervisor")
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log_sys("system shutdown")
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return
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else
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log_sys("supervisor connected, proceeding to UI start")
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end
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----------------------------------------
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-- start the UI
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----------------------------------------
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-- start up the UI
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---@return boolean ui_ok started ok
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local function init_start_ui()
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log_graphics("starting UI...")
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local draw_start = util.time_ms()
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local ui_ok, message = pcall(renderer.start_ui)
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if not ui_ok then
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renderer.close_ui()
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log_graphics(util.c("UI crashed: ", message))
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println_ts("UI crashed")
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log.fatal(util.c("GUI crashed with error ", message))
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else
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log_graphics("first UI draw took " .. (util.time_ms() - draw_start) .. "ms")
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-- start clock
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loop_clock.start()
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end
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return ui_ok
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end
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local ui_ok = init_start_ui()
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----------------------------------------
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-- main event loop
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----------------------------------------
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local date_format = util.trinary(config.TIME_24_HOUR, "%X \x04 %A, %B %d %Y", "%r \x04 %A, %B %d %Y")
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local no_modem = false
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if ui_ok then
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-- start connection watchdog
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conn_watchdog.feed()
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log.debug("startup> conn watchdog started")
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log_sys("system started successfully")
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end
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-- main event loop
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while ui_ok 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 device == modem then
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no_modem = true
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log_sys("comms modem disconnected")
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println_ts("wireless modem disconnected!")
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-- close out 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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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.is_monitor_used(device) then
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-- "halt and catch fire" style handling
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local msg = "lost a configured monitor, system will now exit"
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println_ts(msg)
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log_sys(msg)
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break
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else
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log_sys("lost unused monitor, ignoring")
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end
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elseif type == "speaker" then
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local msg = "lost alarm sounder speaker"
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println_ts(msg)
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log_sys(msg)
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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() then
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-- reconnected modem
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no_modem = false
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modem = device
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coord_comms.reconnect_modem(modem)
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log_sys("comms modem reconnected")
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println_ts("wireless modem reconnected.")
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-- re-init system
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if not init_connect_sv() then break end
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ui_ok = init_start_ui()
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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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-- not supported, system will exit on loss of in-use monitors
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elseif type == "speaker" then
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local msg = "alarm sounder speaker reconnected"
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println_ts(msg)
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log_sys(msg)
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sounder.reconnect(device)
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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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-- 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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iocontrol.get_db().facility.ps.publish("date_time", os.date(date_format))
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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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local msg = "supervisor server timeout"
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log_comms(msg)
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println_ts(msg)
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-- close connection, 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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if not no_modem then
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-- try to re-connect to the supervisor
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if not init_connect_sv() then break end
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ui_ok = init_start_ui()
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end
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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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coord_comms.handle_packet(packet)
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-- check if it was a disconnect
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if not coord_comms.is_linked() then
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log_comms("supervisor closed connection")
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-- close connection, 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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if not no_modem then
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-- try to re-connect to the supervisor
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if not init_connect_sv() then break end
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ui_ok = init_start_ui()
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end
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end
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elseif event == "monitor_touch" then
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-- handle a monitor touch 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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println_ts("terminate requested, closing connections...")
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log_comms("terminate requested, closing supervisor connection...")
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coord_comms.close()
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log_comms("supervisor connection closed")
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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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sounder.stop()
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log_sys("system shutdown")
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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(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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