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#537 close sessions on receiving an ESTABLISH packet to allow for retries

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This commit is contained in:
Mikayla Fischler
2024-08-24 14:46:58 -04:00
parent 0ab2d57b66
commit b3be2d4bfc
14 changed files with 134 additions and 112 deletions
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coordinator/coordinator.lua
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@@ -520,7 +520,7 @@ function coordinator.comms(version, nic, sv_watchdog)
if self.sv_r_seq_num == nil then
self.sv_r_seq_num = packet.scada_frame.seq_num() + 1
elseif self.sv_r_seq_num ~= packet.scada_frame.seq_num() then
log.warning("sequence out-of-order: last = " .. self.sv_r_seq_num .. ", new = " .. packet.scada_frame.seq_num())
log.warning("sequence out-of-order: next = " .. self.sv_r_seq_num .. ", new = " .. packet.scada_frame.seq_num())
return false
elseif self.sv_linked and src_addr ~= self.sv_addr then
log.debug("received packet from unknown computer " .. src_addr .. " while linked; channel in use by another system?")