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cc-mek-scada/coordinator/startup.lua
Mikayla Fischler 2ed28cf74d #324 fixed alarm sounder lag
2023-08-26 19:01:22 -04:00

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--
-- 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 network = require("scada-common.network")
local ppm = require("scada-common.ppm")
local tcd = require("scada-common.tcd")
local util = require("scada-common.util")
local core = require("graphics.core")
local config = require("coordinator.config")
local coordinator = require("coordinator.coordinator")
local iocontrol = require("coordinator.iocontrol")
local renderer = require("coordinator.renderer")
local sounder = require("coordinator.sounder")
local apisessions = require("coordinator.session.apisessions")
local COORDINATOR_VERSION = "v1.0.9"
local println = util.println
local println_ts = util.println_ts
local log_graphics = coordinator.log_graphics
local log_sys = coordinator.log_sys
local log_boot = coordinator.log_boot
local log_comms = coordinator.log_comms
local log_crypto = coordinator.log_crypto
----------------------------------------
-- config validation
----------------------------------------
local cfv = util.new_validator()
cfv.assert_channel(config.SVR_CHANNEL)
cfv.assert_channel(config.CRD_CHANNEL)
cfv.assert_channel(config.PKT_CHANNEL)
cfv.assert_type_int(config.TRUSTED_RANGE)
cfv.assert_type_num(config.SV_TIMEOUT)
cfv.assert_min(config.SV_TIMEOUT, 2)
cfv.assert_type_num(config.API_TIMEOUT)
cfv.assert_min(config.API_TIMEOUT, 2)
cfv.assert_type_int(config.NUM_UNITS)
cfv.assert_type_num(config.SOUNDER_VOLUME)
cfv.assert_type_bool(config.TIME_24_HOUR)
cfv.assert_type_str(config.LOG_PATH)
cfv.assert_type_int(config.LOG_MODE)
assert(cfv.valid(), "bad config file: missing/invalid fields")
----------------------------------------
-- log init
----------------------------------------
log.init(config.LOG_PATH, config.LOG_MODE, config.LOG_DEBUG == true)
log.info("========================================")
log.info("BOOTING coordinator.startup " .. COORDINATOR_VERSION)
log.info("========================================")
println(">> SCADA Coordinator " .. COORDINATOR_VERSION .. " <<")
crash.set_env("coordinator", COORDINATOR_VERSION)
----------------------------------------
-- main application
----------------------------------------
local function main()
----------------------------------------
-- system startup
----------------------------------------
-- mount connected devices
ppm.mount_all()
-- report versions/init fp PSIL
iocontrol.init_fp(COORDINATOR_VERSION, comms.version)
-- setup monitors
local configured, monitors = coordinator.configure_monitors(config.NUM_UNITS, config.DISABLE_FLOW_VIEW == true)
if not configured or monitors == nil then
println("startup> monitor setup failed")
log.fatal("monitor configuration failed")
return
end
-- init renderer
renderer.legacy_disable_flow_view(config.DISABLE_FLOW_VIEW == true)
renderer.set_displays(monitors)
renderer.init_displays()
if not renderer.validate_main_display_width() then
println("startup> main display must be 8 blocks wide")
log.fatal("main display not wide enough")
return
elseif (config.DISABLE_FLOW_VIEW ~= true) and not renderer.validate_flow_display_width() then
println("startup> flow display must be 8 blocks wide")
log.fatal("flow display not wide enough")
return
elseif not renderer.validate_unit_display_sizes() then
println("startup> one or more unit display dimensions incorrect; they must be 4x4 blocks")
log.fatal("unit display dimensions incorrect")
return
end
renderer.init_dmesg()
-- lets get started!
log.info("monitors ready, dmesg output incoming...")
log_graphics("displays connected and reset")
log_sys("system start on " .. os.date("%c"))
log_boot("starting " .. COORDINATOR_VERSION)
----------------------------------------
-- setup alarm sounder subsystem
----------------------------------------
local speaker = ppm.get_device("speaker")
if 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(speaker, config.SOUNDER_VOLUME)
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.AUTH_KEY) == "string" then
local init_time = network.init_mac(config.AUTH_KEY)
log_crypto("HMAC init took " .. init_time .. "ms")
end
-- get the communications modem
local modem = ppm.get_wireless_modem()
if 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
local conn_watchdog = util.new_watchdog(config.SV_TIMEOUT)
conn_watchdog.cancel()
log.debug("startup> conn watchdog created")
-- create network interface then setup comms
local nic = network.nic(modem)
local coord_comms = coordinator.comms(COORDINATOR_VERSION, nic, config.NUM_UNITS, config.CRD_CHANNEL,
config.SVR_CHANNEL, config.PKT_CHANNEL, config.TRUSTED_RANGE, conn_watchdog)
log.debug("startup> comms init")
log_comms("comms initialized")
-- base loop clock (2Hz, 10 ticks)
local MAIN_CLOCK = 0.5
local loop_clock = util.new_clock(MAIN_CLOCK)
----------------------------------------
-- start front panel & UI start function
----------------------------------------
log_graphics("starting front panel UI...")
local fp_ok, fp_message = pcall(renderer.start_fp)
if not fp_ok then
renderer.close_fp()
log_graphics(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_graphics("front panel ready") end
-- start up the main UI
---@return boolean ui_ok started ok
local function start_main_ui()
log_graphics("starting main UI...")
local draw_start = util.time_ms()
local ui_ok, ui_message = pcall(renderer.start_ui)
if not ui_ok then
renderer.close_ui()
log_graphics(util.c("main UI error: ", ui_message))
log.fatal(util.c("main GUI render failed with error ", ui_message))
else
log_graphics("main UI draw took " .. (util.time_ms() - draw_start) .. "ms")
end
return ui_ok
end
----------------------------------------
-- main event loop
----------------------------------------
local link_failed = false
local ui_ok = true
local date_format = util.trinary(config.TIME_24_HOUR, "%X \x04 %A, %B %d %Y", "%r \x04 %A, %B %d %Y")
-- start clock
loop_clock.start()
log_sys("system started successfully")
-- main event loop
while true do
local event, param1, param2, param3, param4, param5 = util.pull_event()
-- handle event
if event == "peripheral_detach" then
local type, device = ppm.handle_unmount(param1)
if type ~= nil and device ~= nil then
if type == "modem" then
-- we only really care if this is our wireless modem
-- if it is another modem, handle other peripheral losses separately
if nic.is_modem(device) then
nic.disconnect()
log_sys("comms modem disconnected")
local other_modem = ppm.get_wireless_modem()
if other_modem then
log_sys("found another wireless modem, using it for comms")
nic.connect(other_modem)
else
-- close out main UI
renderer.close_ui()
-- alert user to status
log_sys("awaiting comms modem reconnect...")
iocontrol.fp_has_modem(false)
end
else
log_sys("non-comms modem disconnected")
end
elseif type == "monitor" then
if renderer.handle_disconnect(device) then
log_sys("lost a configured monitor")
else
log_sys("lost an unused monitor")
end
elseif type == "speaker" then
log_sys("lost alarm sounder speaker")
iocontrol.fp_has_speaker(false)
end
end
elseif event == "peripheral" then
local type, device = ppm.mount(param1)
if type ~= nil and device ~= nil then
if type == "modem" then
if device.isWireless() and not nic.is_connected() then
-- reconnected modem
log_sys("comms modem reconnected")
nic.connect(device)
iocontrol.fp_has_modem(true)
elseif device.isWireless() then
log.info("unused wireless modem reconnected")
else
log_sys("wired modem reconnected")
end
elseif type == "monitor" then
if renderer.handle_reconnect(param1, device) then
log_sys(util.c("configured monitor ", param1, " reconnected"))
else
log_sys(util.c("unused monitor ", param1, " connected"))
end
elseif type == "speaker" then
log_sys("alarm sounder speaker reconnected")
sounder.reconnect(device)
iocontrol.fp_has_speaker(true)
end
end
elseif event == "timer" then
if loop_clock.is_clock(param1) then
-- main loop tick
-- toggle heartbeat
iocontrol.heartbeat()
-- maintain connection
if nic.is_connected() then
local ok, start_ui = coord_comms.try_connect()
if not ok then
link_failed = true
log_sys("supervisor connection failed, shutting down...")
log.fatal("failed to connect to supervisor")
break
elseif start_ui then
log_sys("supervisor connected, proceeding to main UI start")
ui_ok = start_main_ui()
if not ui_ok then break end
end
end
-- iterate sessions
apisessions.iterate_all()
-- free any closed sessions
apisessions.free_all_closed()
-- update date and time string for main display
if coord_comms.is_linked() then
iocontrol.get_db().facility.ps.publish("date_time", os.date(date_format))
end
loop_clock.start()
elseif conn_watchdog.is_timer(param1) then
-- supervisor watchdog timeout
log_comms("supervisor server timeout")
-- close connection, main UI, and stop sounder
coord_comms.close()
renderer.close_ui()
sounder.stop()
else
-- a non-clock/main watchdog timer event
-- check API watchdogs
apisessions.check_all_watchdogs(param1)
-- notify timer callback dispatcher
tcd.handle(param1)
end
elseif event == "modem_message" then
-- got a packet
local packet = coord_comms.parse_packet(param1, param2, param3, param4, param5)
-- handle then check if it was a disconnect
if coord_comms.handle_packet(packet) then
log_comms("supervisor closed connection")
-- close connection, main UI, and stop sounder
coord_comms.close()
renderer.close_ui()
sounder.stop()
end
elseif event == "monitor_touch" or event == "mouse_click" or event == "mouse_up" or
event == "mouse_drag" or event == "mouse_scroll" then
-- handle a mouse event
renderer.handle_mouse(core.events.new_mouse_event(event, param1, param2, param3))
elseif event == "speaker_audio_empty" then
-- handle speaker buffer emptied
sounder.continue()
end
-- check for termination request
if event == "terminate" or ppm.should_terminate() then
-- handle supervisor connection
coord_comms.try_connect(true)
if coord_comms.is_linked() then
log_comms("terminate requested, closing supervisor connection...")
else link_failed = true end
coord_comms.close()
log_comms("supervisor connection closed")
-- handle API sessions
log_comms("closing api sessions...")
apisessions.close_all()
log_comms("api sessions closed")
break
end
end
renderer.close_ui()
renderer.close_fp()
sounder.stop()
log_sys("system shutdown")
if link_failed then println_ts("failed to connect to supervisor") end
if not ui_ok then println_ts("main UI creation failed") end
-- close on error exit (such as UI error)
if coord_comms.is_linked() then 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
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