88 lines
2.3 KiB
Lua
88 lines
2.3 KiB
Lua
local serial = require "serialization"
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local rc = {}
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rc.paths = "/boot/service\n/pkg/service"
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rc.pids = {}
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local service = {}
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local cfg = {}
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cfg.enabled = {"getty","minitel","fsmanager"}
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local function loadConfig()
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local f = io.open("/boot/cfg/rc.cfg","rb")
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if not f then return false end
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cfg = serial.unserialize(f:read("*a")) or {}
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f:close()
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cfg.enabled = cfg.enabled or {}
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return true
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end
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local function saveConfig()
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local f = io.open("/boot/cfg/rc.cfg","wb")
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if not f then return false end
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f:write(serial.serialize(cfg))
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f:close()
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return true
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end
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function rc.load(name,force) -- string boolean -- table -- Attempts to load service *name*, and if *force* is true, replaces the current instance.
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if not service[name] or force then
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for d in rc.paths:gmatch("[^\n]+") do
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if fs.exists(d.."/"..name..".lua") then
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service[name] = runfile(d.."/"..name..".lua")
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end
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end
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end
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if service[name] then
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return service[name]
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end
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return false, "unable to load service "..name
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end
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function rc.stop(name,...) -- string -- boolean string -- Stops service *name*, supplying *...* to the stop function. Returns false and a reason if this fails.
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if not service[name] then return false, "service not found" end
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if service[name].stop then
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service[name].stop(...)
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coroutine.yield()
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end
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if rc.pids[name] then
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os.kill(rc.pids[name])
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end
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rc.pids[name] = nil
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end
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function rc.start(name,...) -- string -- boolean string -- Stops service *name*, supplying *...* to the stop function. Returns false and a reason if this fails.
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rc.load(name)
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if not service[name] then return false, "service not found" end
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local rv = {service[name].start(...)}
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if type(rv[1]) == "number" then
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rc.pids[name] = rv[1]
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end
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end
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function rc.restart(name) -- string -- -- Restarts service *name* using rc.stop and rc.start.
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rc.stop(name)
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rc.start(name)
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end
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function rc.enable(name) -- string -- -- Enables service *name* being started on startup.
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for k,v in pairs(cfg.enabled) do
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if v == name then return false end
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end
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cfg.enabled[#cfg.enabled+1] = name
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saveConfig()
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end
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function rc.disable(name) -- string -- -- Disables service *name* being started on startup.
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local disabled = false
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for k,v in pairs(cfg.enabled) do
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if v == name then table.remove(cfg.enabled,k) disabled = true break end
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end
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saveConfig()
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return disabled
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end
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loadConfig()
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_G.service = service
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rc.cfg = cfg
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return rc
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