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#300 comms cleanup

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This commit is contained in:
Mikayla
2023-08-30 20:45:48 +00:00
parent f7766d8cba
commit cfc6479dd5
17 changed files with 194 additions and 345 deletions
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30
coordinator/session/pocket.lua
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@@ -8,8 +8,8 @@ local iocontrol = require("coordinator.iocontrol")
local pocket = {}
local PROTOCOL = comms.PROTOCOL
-- local CAPI_TYPE = comms.CAPI_TYPE
local SCADA_MGMT_TYPE = comms.SCADA_MGMT_TYPE
-- local CRDN_TYPE = comms.CRDN_TYPE
local MGMT_TYPE = comms.MGMT_TYPE
-- retry time constants in ms
-- local INITIAL_WAIT = 1500
@@ -72,22 +72,22 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
iocontrol.fp_pkt_disconnected(id)
end
-- send a CAPI packet
-----@param msg_type CAPI_TYPE
-- send a CRDN packet
-----@param msg_type CRDN_TYPE
-----@param msg table
-- local function _send(msg_type, msg)
-- local s_pkt = comms.scada_packet()
-- local c_pkt = comms.capi_packet()
-- local c_pkt = comms.crdn_packet()
-- c_pkt.make(msg_type, msg)
-- s_pkt.make(self.seq_num, PROTOCOL.COORD_API, c_pkt.raw_sendable())
-- s_pkt.make(self.seq_num, PROTOCOL.SCADA_CRDN, c_pkt.raw_sendable())
-- out_queue.push_packet(s_pkt)
-- self.seq_num = self.seq_num + 1
-- end
-- send a SCADA management packet
---@param msg_type SCADA_MGMT_TYPE
---@param msg_type MGMT_TYPE
---@param msg table
local function _send_mgmt(msg_type, msg)
local s_pkt = comms.scada_packet()
@@ -101,7 +101,7 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
end
-- handle a packet
---@param pkt mgmt_frame|capi_frame
---@param pkt mgmt_frame|crdn_frame
local function _handle_packet(pkt)
-- check sequence number
if self.r_seq_num == nil then
@@ -117,17 +117,17 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
self.conn_watchdog.feed()
-- process packet
if pkt.scada_frame.protocol() == PROTOCOL.COORD_API then
---@cast pkt capi_frame
if pkt.scada_frame.protocol() == PROTOCOL.SCADA_CRDN then
---@cast pkt crdn_frame
-- handle packet by type
if pkt.type == nil then
else
log.debug(log_header .. "handler received unsupported CAPI packet type " .. pkt.type)
log.debug(log_header .. "handler received unsupported CRDN packet type " .. pkt.type)
end
elseif pkt.scada_frame.protocol() == PROTOCOL.SCADA_MGMT then
---@cast pkt mgmt_frame
if pkt.type == SCADA_MGMT_TYPE.KEEP_ALIVE then
if pkt.type == MGMT_TYPE.KEEP_ALIVE then
-- keep alive reply
if pkt.length == 2 then
local srv_start = pkt.data[1]
@@ -146,7 +146,7 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
else
log.debug(log_header .. "SCADA keep alive packet length mismatch")
end
elseif pkt.type == SCADA_MGMT_TYPE.CLOSE then
elseif pkt.type == MGMT_TYPE.CLOSE then
-- close the session
_close()
else
@@ -174,7 +174,7 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
-- close the connection
function public.close()
_close()
_send_mgmt(SCADA_MGMT_TYPE.CLOSE, {})
_send_mgmt(MGMT_TYPE.CLOSE, {})
log.info(log_header .. "session closed by server")
end
@@ -229,7 +229,7 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
periodics.keep_alive = periodics.keep_alive + elapsed
if periodics.keep_alive >= PERIODICS.KEEP_ALIVE then
_send_mgmt(SCADA_MGMT_TYPE.KEEP_ALIVE, { util.time() })
_send_mgmt(MGMT_TYPE.KEEP_ALIVE, { util.time() })
periodics.keep_alive = 0
end