mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
510 lines
20 KiB
Lua
510 lines
20 KiB
Lua
--
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-- RTU: Remote Terminal Unit
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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 mqueue = require("scada-common.mqueue")
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local ppm = require("scada-common.ppm")
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local rsio = require("scada-common.rsio")
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local types = require("scada-common.types")
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local util = require("scada-common.util")
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local config = require("rtu.config")
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local databus = require("rtu.databus")
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local modbus = require("rtu.modbus")
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local renderer = require("rtu.renderer")
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local rtu = require("rtu.rtu")
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local threads = require("rtu.threads")
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local boilerv_rtu = require("rtu.dev.boilerv_rtu")
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local envd_rtu = require("rtu.dev.envd_rtu")
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local imatrix_rtu = require("rtu.dev.imatrix_rtu")
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local redstone_rtu = require("rtu.dev.redstone_rtu")
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local sna_rtu = require("rtu.dev.sna_rtu")
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local sps_rtu = require("rtu.dev.sps_rtu")
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local turbinev_rtu = require("rtu.dev.turbinev_rtu")
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local RTU_VERSION = "v1.3.7"
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local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
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local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE
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local println = util.println
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local println_ts = util.println_ts
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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.RTU_CHANNEL)
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cfv.assert_type_int(config.TRUSTED_RANGE)
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cfv.assert_type_num(config.COMMS_TIMEOUT)
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cfv.assert_min(config.COMMS_TIMEOUT, 2)
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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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cfv.assert_type_table(config.RTU_DEVICES)
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cfv.assert_type_table(config.RTU_REDSTONE)
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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 rtu.startup " .. RTU_VERSION)
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log.info("========================================")
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println(">> RTU GATEWAY " .. RTU_VERSION .. " <<")
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crash.set_env("rtu", RTU_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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-- startup
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----------------------------------------
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-- record firmware versions and ID
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databus.tx_versions(RTU_VERSION, comms.version)
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-- mount connected devices
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ppm.mount_all()
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---@class rtu_shared_memory
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local __shared_memory = {
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-- RTU system state flags
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---@class rtu_state
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rtu_state = {
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fp_ok = false,
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linked = false,
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shutdown = false
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},
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-- core RTU devices
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rtu_dev = {
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modem = ppm.get_wireless_modem()
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},
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-- system objects
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rtu_sys = {
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rtu_comms = nil, ---@type rtu_comms
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conn_watchdog = nil, ---@type watchdog
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units = {} ---@type table
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},
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-- message queues
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q = {
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mq_comms = mqueue.new()
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}
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}
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local smem_dev = __shared_memory.rtu_dev
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local smem_sys = __shared_memory.rtu_sys
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-- get modem
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if smem_dev.modem == nil then
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println("boot> wireless modem not found")
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log.fatal("no wireless modem on startup")
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return
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end
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databus.tx_hw_modem(true)
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----------------------------------------
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-- interpret config and init units
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----------------------------------------
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local units = __shared_memory.rtu_sys.units
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local rtu_redstone = config.RTU_REDSTONE
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local rtu_devices = config.RTU_DEVICES
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-- configure RTU gateway based on config file definitions
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local function configure()
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-- redstone interfaces
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for entry_idx = 1, #rtu_redstone do
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local rs_rtu = redstone_rtu.new()
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local io_table = rtu_redstone[entry_idx].io ---@type table
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local io_reactor = rtu_redstone[entry_idx].for_reactor ---@type integer
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-- CHECK: reactor ID must be >= to 1
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if (not util.is_int(io_reactor)) or (io_reactor < 0) then
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local message = util.c("configure> redstone entry #", entry_idx, " : ", io_reactor, " isn't an integer >= 0")
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println(message)
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log.fatal(message)
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return false
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end
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-- CHECK: io table exists
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if type(io_table) ~= "table" then
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local message = util.c("configure> redstone entry #", entry_idx, " no IO table found")
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println(message)
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log.fatal(message)
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return false
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end
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local capabilities = {}
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log.debug(util.c("configure> starting redstone RTU I/O linking for reactor ", io_reactor, "..."))
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local continue = true
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-- CHECK: no duplicate entries
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for i = 1, #units do
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local unit = units[i] ---@type rtu_unit_registry_entry
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if unit.reactor == io_reactor and unit.type == RTU_UNIT_TYPE.REDSTONE then
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-- duplicate entry
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local message = util.c("configure> skipping definition block #", entry_idx, " for reactor ", io_reactor,
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" with already defined redstone I/O")
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println(message)
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log.warning(message)
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continue = false
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break
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end
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end
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-- not a duplicate
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if continue then
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for i = 1, #io_table do
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local valid = false
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local conf = io_table[i]
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-- verify configuration
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if rsio.is_valid_port(conf.port) and rsio.is_valid_side(conf.side) then
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if conf.bundled_color then
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valid = rsio.is_color(conf.bundled_color)
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else
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valid = true
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end
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end
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if not valid then
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local message = util.c("configure> invalid redstone definition at index ", i, " in definition block #", entry_idx,
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" (for reactor ", io_reactor, ")")
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println(message)
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log.fatal(message)
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return false
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else
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-- link redstone in RTU
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local mode = rsio.get_io_mode(conf.port)
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if mode == rsio.IO_MODE.DIGITAL_IN then
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-- can't have duplicate inputs
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if util.table_contains(capabilities, conf.port) then
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local message = util.c("configure> skipping duplicate input for port ", rsio.to_string(conf.port), " on side ", conf.side)
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println(message)
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log.warning(message)
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else
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rs_rtu.link_di(conf.side, conf.bundled_color)
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end
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elseif mode == rsio.IO_MODE.DIGITAL_OUT then
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rs_rtu.link_do(conf.side, conf.bundled_color)
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elseif mode == rsio.IO_MODE.ANALOG_IN then
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-- can't have duplicate inputs
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if util.table_contains(capabilities, conf.port) then
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local message = util.c("configure> skipping duplicate input for port ", rsio.to_string(conf.port), " on side ", conf.side)
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println(message)
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log.warning(message)
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else
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rs_rtu.link_ai(conf.side)
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end
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elseif mode == rsio.IO_MODE.ANALOG_OUT then
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rs_rtu.link_ao(conf.side)
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else
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-- should be unreachable code, we already validated ports
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log.error("configure> fell through if chain attempting to identify IO mode", true)
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println("configure> encountered a software error, check logs")
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return false
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end
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table.insert(capabilities, conf.port)
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log.debug(util.c("configure> linked redstone ", #capabilities, ": ", rsio.to_string(conf.port),
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" (", conf.side, ") for reactor ", io_reactor))
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end
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end
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---@class rtu_unit_registry_entry
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local unit = {
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uid = 0, ---@type integer
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name = "redstone_io", ---@type string
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type = RTU_UNIT_TYPE.REDSTONE, ---@type RTU_UNIT_TYPE
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index = entry_idx, ---@type integer
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reactor = io_reactor, ---@type integer
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device = capabilities, ---@type table use device field for redstone ports
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is_multiblock = false, ---@type boolean
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formed = nil, ---@type boolean|nil
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hw_state = RTU_UNIT_HW_STATE.OK, ---@type RTU_UNIT_HW_STATE
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rtu = rs_rtu, ---@type rtu_device|rtu_rs_device
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modbus_io = modbus.new(rs_rtu, false),
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pkt_queue = nil, ---@type mqueue|nil
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thread = nil ---@type parallel_thread|nil
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}
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table.insert(units, unit)
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local for_message = "facility"
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if io_reactor > 0 then
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for_message = util.c("reactor ", io_reactor)
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end
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log.info(util.c("configure> initialized RTU unit #", #units, ": redstone_io (redstone) [1] for ", for_message))
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unit.uid = #units
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databus.tx_unit_hw_status(unit.uid, unit.hw_state)
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end
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end
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-- mounted peripherals
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for i = 1, #rtu_devices do
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local name = rtu_devices[i].name
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local index = rtu_devices[i].index
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local for_reactor = rtu_devices[i].for_reactor
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-- CHECK: name is a string
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if type(name) ~= "string" then
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local message = util.c("configure> device entry #", i, ": device ", name, " isn't a string")
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println(message)
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log.fatal(message)
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return false
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end
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-- CHECK: index is an integer >= 1
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if (not util.is_int(index)) or (index <= 0) then
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local message = util.c("configure> device entry #", i, ": index ", index, " isn't an integer >= 1")
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println(message)
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log.fatal(message)
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return false
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end
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-- CHECK: reactor is an integer >= 0
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if (not util.is_int(for_reactor)) or (for_reactor < 0) then
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local message = util.c("configure> device entry #", i, ": reactor ", for_reactor, " isn't an integer >= 0")
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println(message)
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log.fatal(message)
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return false
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end
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local device = ppm.get_periph(name)
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local type ---@type string|nil
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local rtu_iface ---@type rtu_device
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local rtu_type ---@type RTU_UNIT_TYPE
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local is_multiblock = false ---@type boolean
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local formed = nil ---@type boolean|nil
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local faulted = nil ---@type boolean|nil
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if device == nil then
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local message = util.c("configure> '", name, "' not found, using placeholder")
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println(message)
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log.warning(message)
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-- mount a virtual (placeholder) device
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type, device = ppm.mount_virtual()
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else
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type = ppm.get_type(name)
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end
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if type == "boilerValve" then
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-- boiler multiblock
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rtu_type = RTU_UNIT_TYPE.BOILER_VALVE
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rtu_iface, faulted = boilerv_rtu.new(device)
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is_multiblock = true
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formed = device.isFormed()
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if formed == ppm.UNDEFINED_FIELD or formed == ppm.ACCESS_FAULT then
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println_ts(util.c("configure> failed to check if '", name, "' is formed"))
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log.fatal(util.c("configure> failed to check if '", name, "' is a formed boiler multiblock"))
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return false
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end
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elseif type == "turbineValve" then
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-- turbine multiblock
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rtu_type = RTU_UNIT_TYPE.TURBINE_VALVE
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rtu_iface, faulted = turbinev_rtu.new(device)
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is_multiblock = true
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formed = device.isFormed()
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if formed == ppm.UNDEFINED_FIELD or formed == ppm.ACCESS_FAULT then
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println_ts(util.c("configure> failed to check if '", name, "' is formed"))
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log.fatal(util.c("configure> failed to check if '", name, "' is a formed turbine multiblock"))
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return false
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end
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elseif type == "inductionPort" then
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-- induction matrix multiblock
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rtu_type = RTU_UNIT_TYPE.IMATRIX
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rtu_iface, faulted = imatrix_rtu.new(device)
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is_multiblock = true
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formed = device.isFormed()
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if formed == ppm.UNDEFINED_FIELD or formed == ppm.ACCESS_FAULT then
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println_ts(util.c("configure> failed to check if '", name, "' is formed"))
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log.fatal(util.c("configure> failed to check if '", name, "' is a formed induction matrix multiblock"))
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return false
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end
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elseif type == "spsPort" then
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-- SPS multiblock
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rtu_type = RTU_UNIT_TYPE.SPS
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rtu_iface, faulted = sps_rtu.new(device)
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is_multiblock = true
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formed = device.isFormed()
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if formed == ppm.UNDEFINED_FIELD or formed == ppm.ACCESS_FAULT then
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println_ts(util.c("configure> failed to check if '", name, "' is formed"))
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log.fatal(util.c("configure> failed to check if '", name, "' is a formed SPS multiblock"))
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return false
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end
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elseif type == "solarNeutronActivator" then
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-- SNA
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rtu_type = RTU_UNIT_TYPE.SNA
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rtu_iface, faulted = sna_rtu.new(device)
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elseif type == "environmentDetector" then
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-- advanced peripherals environment detector
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rtu_type = RTU_UNIT_TYPE.ENV_DETECTOR
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rtu_iface, faulted = envd_rtu.new(device)
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elseif type == ppm.VIRTUAL_DEVICE_TYPE then
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-- placeholder device
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rtu_type = RTU_UNIT_TYPE.VIRTUAL
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rtu_iface = rtu.init_unit().interface()
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else
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local message = util.c("configure> device '", name, "' is not a known type (", type, ")")
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println_ts(message)
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log.fatal(message)
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return false
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end
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if is_multiblock then
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if not formed then
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log.info(util.c("configure> device '", name, "' is not formed"))
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elseif faulted then
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-- sometimes there is a race condition on server boot where it reports formed, but
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-- the other functions are not yet defined (that's the theory at least). mark as unformed to attempt connection later
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formed = false
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log.warning(util.c("configure> device '", name, "' is formed, but initialization had one or more faults: marked as unformed"))
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end
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end
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---@class rtu_unit_registry_entry
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local rtu_unit = {
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uid = 0, ---@type integer
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name = name, ---@type string
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type = rtu_type, ---@type RTU_UNIT_TYPE
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index = index, ---@type integer
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reactor = for_reactor, ---@type integer
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device = device, ---@type table
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is_multiblock = is_multiblock, ---@type boolean
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formed = formed, ---@type boolean|nil
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hw_state = RTU_UNIT_HW_STATE.OFFLINE, ---@type RTU_UNIT_HW_STATE
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rtu = rtu_iface, ---@type rtu_device|rtu_rs_device
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modbus_io = modbus.new(rtu_iface, true),
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pkt_queue = mqueue.new(), ---@type mqueue|nil
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thread = nil ---@type parallel_thread|nil
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}
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rtu_unit.thread = threads.thread__unit_comms(__shared_memory, rtu_unit)
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table.insert(units, rtu_unit)
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local for_message = "facility"
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if for_reactor > 0 then
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for_message = util.c("reactor ", for_reactor)
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end
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log.info(util.c("configure> initialized RTU unit #", #units, ": ", name, " (", types.rtu_type_to_string(rtu_type), ") [", index, "] for ", for_message))
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rtu_unit.uid = #units
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-- determine hardware status
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if rtu_unit.type == RTU_UNIT_TYPE.VIRTUAL then
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rtu_unit.hw_state = RTU_UNIT_HW_STATE.OFFLINE
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else
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if rtu_unit.is_multiblock then
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rtu_unit.hw_state = util.trinary(rtu_unit.formed == true, RTU_UNIT_HW_STATE.OK, RTU_UNIT_HW_STATE.UNFORMED)
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elseif faulted then
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rtu_unit.hw_state = RTU_UNIT_HW_STATE.FAULTED
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else
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rtu_unit.hw_state = RTU_UNIT_HW_STATE.OK
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end
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end
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-- report hardware status
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databus.tx_unit_hw_status(rtu_unit.uid, rtu_unit.hw_state)
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end
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-- we made it through all that trusting-user-to-write-a-config-file chaos
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return true
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end
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----------------------------------------
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-- start system
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----------------------------------------
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local rtu_state = __shared_memory.rtu_state
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log.debug("boot> running configure()")
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if configure() then
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-- start UI
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local message
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rtu_state.fp_ok, message = pcall(renderer.start_ui, units)
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if not rtu_state.fp_ok then
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renderer.close_ui()
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println_ts(util.c("UI error: ", message))
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println("startup> running without front panel")
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log.error(util.c("GUI crashed with error ", message))
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log.info("startup> running in headless mode without front panel")
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end
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-- start connection watchdog
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smem_sys.conn_watchdog = util.new_watchdog(config.COMMS_TIMEOUT)
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log.debug("startup> conn watchdog started")
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-- setup comms
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smem_sys.rtu_comms = rtu.comms(RTU_VERSION, smem_dev.modem, config.RTU_CHANNEL, config.SVR_CHANNEL,
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config.TRUSTED_RANGE, smem_sys.conn_watchdog)
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log.debug("startup> comms init")
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-- init threads
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local main_thread = threads.thread__main(__shared_memory)
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local comms_thread = threads.thread__comms(__shared_memory)
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-- assemble thread list
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local _threads = { main_thread.p_exec, comms_thread.p_exec }
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for i = 1, #units do
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if units[i].thread ~= nil then
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table.insert(_threads, units[i].thread.p_exec)
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end
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|
end
|
|
|
|
log.info("startup> completed")
|
|
|
|
-- run threads
|
|
parallel.waitForAll(table.unpack(_threads))
|
|
else
|
|
println("configuration failed, exiting...")
|
|
end
|
|
|
|
renderer.close_ui()
|
|
|
|
println_ts("exited")
|
|
log.info("exited")
|
|
end
|
|
|
|
if not xpcall(main, crash.handler) then
|
|
pcall(renderer.close_ui)
|
|
crash.exit()
|
|
else
|
|
log.close()
|
|
end
|