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#213 strict sequence verification

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Mikayla
2023-04-21 21:10:15 +00:00
parent c75f08a9f7
commit 783c4936cc
15 changed files with 16 additions and 16 deletions
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2
rtu/rtu.lua
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@@ -331,7 +331,7 @@ function rtu.comms(version, modem, local_port, server_port, range, conn_watchdog
-- check sequence number
if self.r_seq_num == nil then
self.r_seq_num = packet.scada_frame.seq_num()
elseif rtu_state.linked and self.r_seq_num >= packet.scada_frame.seq_num() then
elseif rtu_state.linked and ((self.r_seq_num + 1) ~= packet.scada_frame.seq_num()) then
log.warning("sequence out-of-order: last = " .. self.r_seq_num .. ", new = " .. packet.scada_frame.seq_num())
return
else