#634 reactor PLC backplane and front panel updates
This commit is contained in:
Mikayla
@@ -7,9 +7,6 @@ local network = require("scada-common.network")
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local ppm = require("scada-common.ppm")
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local util = require("scada-common.util")
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local databus = require("reactor-plc.databus")
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local plc = require("reactor-plc.plc")
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local println = util.println
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---@class plc_backplane
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@@ -22,7 +19,6 @@ local _bp = {
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lan_iface = "",
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act_nic = nil, ---@type nic
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wl_act = true,
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wd_nic = nil, ---@type nic|nil
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wl_nic = nil ---@type nic|nil
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}
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@@ -44,32 +40,33 @@ function backplane.init(config, __shared_memory)
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if _bp.smem.networked then
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-- init wired NIC
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if type(config.WiredModem) == "string" then
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local modem = ppm.get_modem(_bp.lan_iface)
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_bp.wd_nic = network.nic(modem)
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local modem = ppm.get_modem(_bp.lan_iface)
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local wd_nic = network.nic(modem)
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log.info("BKPLN: WIRED PHY_" .. util.trinary(modem, "UP ", "DOWN ") .. _bp.lan_iface)
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plc_state.wd_modem = _bp.wd_nic.is_connected()
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plc_state.wd_modem = wd_nic.is_connected()
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-- set this as active for now
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_bp.wl_act = false
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_bp.act_nic = _bp.wd_nic
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_bp.act_nic = wd_nic
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_bp.wd_nic = wd_nic
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end
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-- init wireless NIC(s)
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if config.WirelessModem then
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local modem, iface = ppm.get_wireless_modem()
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_bp.wl_nic = network.nic(modem)
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local wl_nic = network.nic(modem)
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log.info("BKPLN: WIRELESS PHY_" .. util.trinary(modem, "UP ", "DOWN ") .. iface)
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plc_state.wl_modem = _bp.wl_nic.is_connected()
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plc_state.wl_modem = wl_nic.is_connected()
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-- set this as active if connected or if both modems are disconnected and this is preferred
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if (modem and _bp.wlan_pref) or not (_bp.act_nic and _bp.act_nic.is_connected()) then
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_bp.wl_act = true
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_bp.act_nic = _bp.wl_nic
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_bp.act_nic = wl_nic
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end
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_bp.wl_nic = wl_nic
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end
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-- comms modem is required if networked
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@@ -123,6 +120,8 @@ function backplane.active_nic() return _bp.act_nic end
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function backplane.attach(iface, type, device, print_no_fp)
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local MQ__RPS_CMD = _bp.smem.q_cmds.MQ__RPS_CMD
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local wl_nic, wd_nic = _bp.wl_nic, _bp.wd_nic
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local networked = _bp.smem.networked
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local state = _bp.smem.plc_state
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local dev = _bp.smem.plc_dev
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@@ -163,52 +162,39 @@ function backplane.attach(iface, type, device, print_no_fp)
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log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_ATTACH ", iface))
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local is_wd = _bp.wd_nic and (_bp.lan_iface == iface)
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local is_wl = _bp.wl_nic and (not _bp.wl_nic.is_connected()) and m_is_wl
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if is_wd then
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if wd_nic and (_bp.lan_iface == iface) then
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-- connect this as the wired NIC
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_bp.wd_nic.connect(device)
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wd_nic.connect(device)
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log.info("BKPLN: WIRED PHY_UP " .. iface)
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print_no_fp("wired comms modem reconnected")
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state.wd_modem = true
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if _bp.act_nic == _bp.wd_nic then
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-- set as active
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_bp.wl_act = false
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_bp.act_nic = _bp.wd_nic
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elseif _bp.wl_act and not _bp.wlan_pref then
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if (_bp.act_nic ~= wd_nic) and not _bp.wlan_pref then
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-- switch back to preferred wired
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_bp.wl_act = false
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_bp.act_nic = _bp.wd_nic
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_bp.act_nic = wd_nic
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sys.plc_comms.switch_nic(_bp.act_nic)
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log.info("BKPLN: switched comms to wired modem (preferred)")
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end
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elseif is_wl then
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elseif wl_nic and (not wl_nic.is_connected()) and m_is_wl then
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-- connect this as the wireless NIC
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_bp.wl_nic.connect(device)
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wl_nic.connect(device)
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log.info("BKPLN: WIRELESS PHY_UP " .. iface)
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print_no_fp("wireless comms modem reconnected")
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state.wl_modem = true
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if _bp.act_nic == _bp.wl_nic then
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-- set as active
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_bp.wl_act = true
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_bp.act_nic = _bp.wl_nic
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elseif (not _bp.wl_act) and _bp.wlan_pref then
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if (_bp.act_nic ~= wl_nic) and _bp.wlan_pref then
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-- switch back to preferred wireless
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_bp.wl_act = true
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_bp.act_nic = _bp.wl_nic
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_bp.act_nic = wl_nic
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sys.plc_comms.switch_nic(_bp.act_nic)
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log.info("BKPLN: switched comms to wireless modem (preferred)")
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end
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elseif _bp.wl_nic and m_is_wl then
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elseif wl_nic and m_is_wl then
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-- the wireless NIC already has a modem
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print_no_fp("standby wireless modem connected")
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log.info("BKPLN: standby wireless modem connected")
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@@ -231,6 +217,85 @@ end
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---@param device table
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---@param print_no_fp function
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function backplane.detach(iface, type, device, print_no_fp)
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local MQ__RPS_CMD = _bp.smem.q_cmds.MQ__RPS_CMD
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local wl_nic, wd_nic = _bp.wl_nic, _bp.wd_nic
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local state = _bp.smem.plc_state
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local dev = _bp.smem.plc_dev
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local sys = _bp.smem.plc_sys
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if device == dev.reactor then
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print_no_fp("reactor disconnected")
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log.warning("BKPLN: reactor disconnected")
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state.no_reactor = true
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state.degraded = true
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elseif _bp.smem.networked and type == "modem" then
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---@cast device Modem
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local m_is_wl = device.isWireless()
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log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_DETACH ", iface))
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if wd_nic and wd_nic.is_modem(device) then
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wd_nic.disconnect()
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log.info("BKPLN: WIRED PHY_DOWN " .. iface)
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state.wd_modem = false
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elseif wl_nic and wl_nic.is_modem(device) then
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wl_nic.disconnect()
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log.info("BKPLN: WIRELESS PHY_DOWN " .. iface)
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state.wl_modem = false
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end
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-- we only care if this is our active comms modem
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if _bp.act_nic.is_modem(device) then
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print_no_fp("active comms modem disconnected")
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log.warning("BKPLN: active comms modem disconnected")
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-- failover and try to find a new comms modem
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if _bp.act_nic == wl_nic then
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-- wireless active disconnected
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-- try to find another wireless modem, otherwise switch to wired
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local modem, m_iface = ppm.get_wireless_modem()
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if wl_nic and modem then
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log.info("BKPLN: found another wireless modem, using it for comms")
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wl_nic.connect(modem)
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log.info("BKPLN: WIRELESS PHY_UP " .. m_iface)
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elseif wd_nic and wd_nic.is_connected() then
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_bp.act_nic = wd_nic
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sys.plc_comms.switch_nic(_bp.act_nic)
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log.info("BKPLN: switched comms to wired modem")
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else
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-- no other wireless modems, wired unavailable
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state.degraded = true
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_bp.smem.q.mq_rps.push_command(MQ__RPS_CMD.DEGRADED_SCRAM)
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end
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elseif wl_nic and wl_nic.is_connected() then
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-- wired active disconnected, wireless available
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_bp.act_nic = wl_nic
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sys.plc_comms.switch_nic(_bp.act_nic)
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log.info("BKPLN: switched comms to wireless modem")
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else
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-- wired active disconnected, wireless unavailable
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state.degraded = true
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_bp.smem.q.mq_rps.push_command(MQ__RPS_CMD.DEGRADED_SCRAM)
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end
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elseif wl_nic and m_is_wl then
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-- wireless, but not active
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print_no_fp("standby wireless modem disconnected")
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log.info("BKPLN: standby wireless modem disconnected")
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else
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print_no_fp("unassigned modem disconnected")
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log.warning("BKPLN: unassigned modem disconnected")
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end
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end
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end
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return backplane
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