#23 device version reporting
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@@ -20,12 +20,14 @@ local print_ts = util.print_ts
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local println_ts = util.println_ts
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-- supervisory controller communications
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---@param version string
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---@param num_reactors integer
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---@param modem table
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---@param dev_listen integer
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---@param coord_listen integer
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supervisor.comms = function (num_reactors, modem, dev_listen, coord_listen)
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supervisor.comms = function (version, num_reactors, modem, dev_listen, coord_listen)
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local self = {
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version = version,
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num_reactors = num_reactors,
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modem = modem,
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dev_listen = dev_listen,
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@@ -180,16 +182,16 @@ supervisor.comms = function (num_reactors, modem, dev_listen, coord_listen)
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-- unknown session, is this a linking request?
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if packet.type == RPLC_TYPES.LINK_REQ then
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if packet.length == 1 then
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if packet.length == 2 then
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-- this is a linking request
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local plc_id = svsessions.establish_plc_session(l_port, r_port, packet.data[1])
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local plc_id = svsessions.establish_plc_session(l_port, r_port, packet.data[1], packet.data[2])
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if plc_id == false then
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-- reactor already has a PLC assigned
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log.debug("PLC_LNK: assignment collision with reactor " .. packet.data[1])
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_send_plc_linking(next_seq_id, r_port, { RPLC_LINKING.COLLISION })
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else
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-- got an ID; assigned to a reactor successfully
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println("connected to reactor " .. packet.data[1] .. " PLC (port " .. r_port .. ")")
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println("connected to reactor " .. packet.data[1] .. " PLC v " .. packet.data[2] .. " (port " .. r_port .. ")")
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log.debug("PLC_LNK: allowed for device at " .. r_port)
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_send_plc_linking(next_seq_id, r_port, { RPLC_LINKING.ALLOW })
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end
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@@ -210,18 +212,21 @@ supervisor.comms = function (num_reactors, modem, dev_listen, coord_listen)
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if session ~= nil then
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-- pass the packet onto the session handler
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session.in_queue.push_packet(packet)
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else
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-- is this an RTU advertisement?
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if packet.type == SCADA_MGMT_TYPES.RTU_ADVERT then
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local rtu_id = svsessions.establish_rtu_session(l_port, r_port, packet.data)
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elseif packet.type == SCADA_MGMT_TYPES.RTU_ADVERT then
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if packet.length >= 1 then
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-- this is an RTU advertisement for a new session
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println("connected to RTU v " .. packet.data[1] .. " (port " .. r_port .. ")")
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svsessions.establish_rtu_session(l_port, r_port, packet.data)
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println("connected to RTU (port " .. r_port .. ")")
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log.debug("RTU_ADVERT: linked " .. r_port)
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_send_remote_linked(packet.scada_frame.seq_num() + 1, r_port)
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else
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-- any other packet should be session related, discard it
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log.debug("discarding SCADA_MGMT packet without a known session")
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log.debug("RTU_ADVERT: advertisement packet empty")
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end
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else
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-- any other packet should be session related, discard it
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log.debug("discarding SCADA_MGMT packet without a known session")
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end
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else
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log.debug("illegal packet type " .. protocol .. " on device listening channel")
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