cc-mek-scada/coordinator/startup.lua
2024-06-29 15:08:11 -04:00

277 lines
8.7 KiB
Lua

--
-- Nuclear Generation Facility SCADA Coordinator
--
require("/initenv").init_env()
local comms = require("scada-common.comms")
local crash = require("scada-common.crash")
local log = require("scada-common.log")
local mqueue = require("scada-common.mqueue")
local network = require("scada-common.network")
local ppm = require("scada-common.ppm")
local util = require("scada-common.util")
local configure = require("coordinator.configure")
local coordinator = require("coordinator.coordinator")
local iocontrol = require("coordinator.iocontrol")
local renderer = require("coordinator.renderer")
local sounder = require("coordinator.sounder")
local threads = require("coordinator.threads")
local COORDINATOR_VERSION = "v1.5.1"
local CHUNK_LOAD_DELAY_S = 30.0
local println = util.println
local println_ts = util.println_ts
local log_render = coordinator.log_render
local log_sys = coordinator.log_sys
local log_boot = coordinator.log_boot
local log_comms = coordinator.log_comms
local log_crypto = coordinator.log_crypto
----------------------------------------
-- get configuration
----------------------------------------
-- mount connected devices (required for monitor setup)
ppm.mount_all()
local wait_on_load = true
local loaded, monitors = coordinator.load_config()
-- if the computer just started, its chunk may have just loaded (...or the user rebooted)
-- if monitor config failed, maybe an adjacent chunk containing all or part of a monitor has not loaded yet, so keep trying
while wait_on_load and loaded == 2 and os.clock() < CHUNK_LOAD_DELAY_S do
term.clear()
term.setCursorPos(1, 1)
println("There was a monitor configuration problem at boot.\n")
println("Startup will keep trying every 2s in case of chunk load delays.\n")
println(util.sprintf("The configurator will be started in %ds if all attempts fail.\n", math.max(0, CHUNK_LOAD_DELAY_S - os.clock())))
println("(click to skip to the configurator)")
local timer_id = util.start_timer(2)
while true do
local event, param1 = util.pull_event()
if event == "timer" and param1 == timer_id then
-- remount and re-attempt
ppm.mount_all()
loaded, monitors = coordinator.load_config()
break
elseif event == "mouse_click" or event == "terminate" then
wait_on_load = false
break
end
end
end
if loaded ~= 0 then
-- try to reconfigure (user action)
local success, error = configure.configure(loaded, monitors)
if success then
loaded, monitors = coordinator.load_config()
if loaded ~= 0 then
println(util.trinary(loaded == 2, "monitor configuration invalid", "failed to load a valid configuration") .. ", please reconfigure")
return
end
else
println("configuration error: " .. error)
return
end
end
-- passed checks, good now
---@cast monitors monitors_struct
local config = coordinator.config
----------------------------------------
-- log init
----------------------------------------
log.init(config.LogPath, config.LogMode, config.LogDebug)
log.info("========================================")
log.info("BOOTING coordinator.startup " .. COORDINATOR_VERSION)
log.info("========================================")
println(">> SCADA Coordinator " .. COORDINATOR_VERSION .. " <<")
crash.set_env("coordinator", COORDINATOR_VERSION)
crash.dbg_log_env()
----------------------------------------
-- main application
----------------------------------------
local function main()
----------------------------------------
-- system startup
----------------------------------------
-- log mounts now since mounting was done before logging was ready
ppm.log_mounts()
-- report versions/init fp PSIL
iocontrol.init_fp(COORDINATOR_VERSION, comms.version)
-- init renderer
renderer.configure(config)
renderer.set_displays(monitors)
renderer.init_displays()
renderer.init_dmesg()
-- lets get started!
log.info("monitors ready, dmesg output incoming...")
log_render("displays connected and reset")
log_sys("system start on " .. os.date("%c"))
log_boot("starting " .. COORDINATOR_VERSION)
----------------------------------------
-- memory allocation
----------------------------------------
-- shared memory across threads
---@class crd_shared_memory
local __shared_memory = {
-- time and date format for display
date_format = util.trinary(config.Time24Hour, "%X \x04 %A, %B %d %Y", "%r \x04 %A, %B %d %Y"),
-- coordinator system state flags
---@class crd_state
crd_state = {
fp_ok = false,
ui_ok = true, -- default true, used to abort on fail
link_fail = false,
shutdown = false
},
-- core coordinator devices
crd_dev = {
modem = ppm.get_wireless_modem(),
speaker = ppm.get_device("speaker")
},
-- system objects
crd_sys = {
nic = nil, ---@type nic
coord_comms = nil, ---@type coord_comms
conn_watchdog = nil ---@type watchdog
},
-- message queues
q = {
mq_render = mqueue.new()
}
}
local smem_dev = __shared_memory.crd_dev
local smem_sys = __shared_memory.crd_sys
local crd_state = __shared_memory.crd_state
----------------------------------------
-- setup alarm sounder subsystem
----------------------------------------
if smem_dev.speaker == nil then
log_boot("annunciator alarm speaker not found")
println("startup> speaker not found")
log.fatal("no annunciator alarm speaker found")
return
else
local sounder_start = util.time_ms()
log_boot("annunciator alarm speaker connected")
sounder.init(smem_dev.speaker, config.SpeakerVolume)
log_boot("tone generation took " .. (util.time_ms() - sounder_start) .. "ms")
log_sys("annunciator alarm configured")
iocontrol.fp_has_speaker(true)
end
----------------------------------------
-- setup communications
----------------------------------------
-- message authentication init
if type(config.AuthKey) == "string" and string.len(config.AuthKey) > 0 then
local init_time = network.init_mac(config.AuthKey)
log_crypto("HMAC init took " .. init_time .. "ms")
end
-- get the communications modem
if smem_dev.modem == nil then
log_comms("wireless modem not found")
println("startup> wireless modem not found")
log.fatal("no wireless modem on startup")
return
else
log_comms("wireless modem connected")
iocontrol.fp_has_modem(true)
end
-- create connection watchdog
smem_sys.conn_watchdog = util.new_watchdog(config.SVR_Timeout)
smem_sys.conn_watchdog.cancel()
log.debug("startup> conn watchdog created")
-- create network interface then setup comms
smem_sys.nic = network.nic(smem_dev.modem)
smem_sys.coord_comms = coordinator.comms(COORDINATOR_VERSION, smem_sys.nic, smem_sys.conn_watchdog)
log.debug("startup> comms init")
log_comms("comms initialized")
----------------------------------------
-- start front panel
----------------------------------------
log_render("starting front panel UI...")
local fp_message
crd_state.fp_ok, fp_message = renderer.try_start_fp()
if not crd_state.fp_ok then
log_render(util.c("front panel UI error: ", fp_message))
println_ts("front panel UI creation failed")
log.fatal(util.c("front panel GUI render failed with error ", fp_message))
return
else log_render("front panel ready") end
----------------------------------------
-- start system
----------------------------------------
-- init threads
local main_thread = threads.thread__main(__shared_memory)
local render_thread = threads.thread__render(__shared_memory)
log.info("startup> completed")
-- run threads
parallel.waitForAll(main_thread.p_exec, render_thread.p_exec)
renderer.close_ui()
renderer.close_fp()
sounder.stop()
log_sys("system shutdown")
if crd_state.link_fail then println_ts("failed to connect to supervisor") end
if not crd_state.ui_ok then println_ts("main UI creation failed") end
-- close on error exit (such as UI error)
if smem_sys.coord_comms.is_linked() then smem_sys.coord_comms.close() end
println_ts("exited")
log.info("exited")
end
if not xpcall(main, crash.handler) then
pcall(renderer.close_ui)
pcall(renderer.close_fp)
pcall(sounder.stop)
crash.exit()
else
log.close()
end