technic/technic/machines/switching_station_globalste...

123 lines
2.6 KiB
Lua

local has_monitoring_mod = minetest.get_modpath("monitoring")
local switches = {} -- pos_hash -> { time = time_us }
local function get_switch_data(pos)
local hash = minetest.hash_node_position(pos)
local switch = switches[hash]
if not switch then
switch = {
time = 0,
skip = 0
}
switches[hash] = switch
end
return switch
end
local active_switching_stations_metric, switching_stations_usage_metric
if has_monitoring_mod then
active_switching_stations_metric = monitoring.gauge(
"technic_active_switching_stations",
"Number of active switching stations"
)
switching_stations_usage_metric = monitoring.counter(
"technic_switching_stations_usage",
"usage in microseconds cpu time"
)
end
minetest.register_abm({
nodenames = {"technic:switching_station"},
label = "Switching Station",
interval = 1,
chance = 1,
action = function(pos)
local switch = get_switch_data(pos)
switch.time = minetest.get_us_time()
end
})
local off_delay_seconds = 60
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer < 1.0 then
return
end
timer = 0
local now = minetest.get_us_time()
local off_delay_micros = off_delay_seconds*1000*1000
local active_switches = 0
for hash, switch in pairs(switches) do
local pos = minetest.get_position_from_hash(hash)
local diff = now - switch.time
minetest.get_voxel_manip(pos, pos)
local node = minetest.get_node(pos)
if node.name ~= "technic:switching_station" then
-- station vanished
switches[hash] = nil
elseif diff < off_delay_micros then
-- station active
active_switches = active_switches + 1
if switch.skip < 1 then
local start = minetest.get_us_time()
technic.switching_station_run(pos)
local switch_diff = minetest.get_us_time() - start
local meta = minetest.get_meta(pos)
-- overload detection
if switch_diff > 250000 then
switch.skip = 30
elseif switch_diff > 100000 then
switch.skip = 20
elseif switch_diff > 50000 then
switch.skip = 10
elseif switch_diff > 25000 then
switch.skip = 2
end
if switch.skip > 0 then
local efficiency = math.floor(1/switch.skip*100)
meta:set_string("infotext", "Polyfuse triggered, current efficiency: " ..
efficiency .. "% generated lag : " .. math.floor(switch_diff/1000) .. " ms")
end
else
switch.skip = math.max(switch.skip - 1, 0)
end
else
-- station timed out
switches[hash] = nil
end
end
local time_usage = minetest.get_us_time() - now
if has_monitoring_mod then
active_switching_stations_metric.set(active_switches)
switching_stations_usage_metric.inc(time_usage)
end
end)