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function for duplicate session search code

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Mikayla Fischler 2022-05-21 12:30:14 -04:00
parent 3f4fb63029
commit 940ddf0d00
1 changed files with 17 additions and 32 deletions
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49
supervisor/session/svsessions.lua
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@ -106,6 +106,17 @@ local function _free_closed(sessions)
util.filter_table(sessions, f, on_delete)
end
-- find a session by remote port
---@param list table
---@param port integer
---@return plc_session_struct|rtu_session_struct|nil
local function _find_session(list, port)
for i = 1, #list do
if list[i].r_port == port then return list[i] end
end
return nil
end
-- PUBLIC FUNCTIONS --
-- link the modem
@ -119,13 +130,7 @@ end
---@return rtu_session_struct|nil
svsessions.find_rtu_session = function (remote_port)
-- check RTU sessions
for i = 1, #self.rtu_sessions do
if self.rtu_sessions[i].r_port == remote_port then
return self.rtu_sessions[i]
end
end
return nil
return _find_session(self.rtu_sessions, remote_port)
end
-- find a PLC session by the remote port
@ -133,13 +138,7 @@ end
---@return plc_session_struct|nil
svsessions.find_plc_session = function (remote_port)
-- check PLC sessions
for i = 1, #self.plc_sessions do
if self.plc_sessions[i].r_port == remote_port then
return self.plc_sessions[i]
end
end
return nil
return _find_session(self.plc_sessions, remote_port)
end
-- find a PLC/RTU session by the remote port
@ -147,20 +146,12 @@ end
---@return plc_session_struct|rtu_session_struct|nil
svsessions.find_device_session = function (remote_port)
-- check RTU sessions
for i = 1, #self.rtu_sessions do
if self.rtu_sessions[i].r_port == remote_port then
return self.rtu_sessions[i]
end
end
local s = _find_session(self.rtu_sessions, remote_port)
-- check PLC sessions
for i = 1, #self.plc_sessions do
if self.plc_sessions[i].r_port == remote_port then
return self.plc_sessions[i]
end
end
if s == nil then s = _find_session(self.plc_sessions, remote_port) end
return nil
return s
end
-- find a coordinator session by the remote port
@ -168,13 +159,7 @@ end
---@return nil
svsessions.find_coord_session = function (remote_port)
-- check coordinator sessions
for i = 1, #self.coord_sessions do
if self.coord_sessions[i].r_port == remote_port then
return self.coord_sessions[i]
end
end
return nil
return _find_session(self.coord_sessions, remote_port)
end
-- get a session by reactor ID