From e4c6bc70aad59701358646c38c67b39b257732a4 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 26 Mar 2011 22:25:59 +0000
Subject: remove ucitrigger, it is unused and will be replaced by something
different in the future
SVN-Revision: 26308
---
package/uci/trigger/lib/trigger.lua | 419 ------------------------------------
1 file changed, 419 deletions(-)
delete mode 100644 package/uci/trigger/lib/trigger.lua
(limited to 'package/uci/trigger/lib/trigger.lua')
diff --git a/package/uci/trigger/lib/trigger.lua b/package/uci/trigger/lib/trigger.lua
deleted file mode 100644
index 104d27a..0000000
--- a/package/uci/trigger/lib/trigger.lua
+++ /dev/null
@@ -1,419 +0,0 @@
-module("uci.trigger", package.seeall)
-require("posix")
-require("uci")
-
-local path = "/lib/config/trigger"
-local triggers = nil
-local tmp_cursor = nil
-
-function load_modules()
- if triggers ~= nil then
- return
- end
- triggers = {
- list = {},
- uci = {},
- active = {}
- }
- local modules = posix.glob(path .. "/*.lua")
- if modules == nil then
- return
- end
- local oldpath = package.path
- package.path = path .. "/?.lua"
- for i, v in ipairs(modules) do
- pcall(require(string.gsub(v, path .. "/(%w+)%.lua$", "%1")))
- end
- package.path = oldpath
-end
-
-function check_table(table, name)
- if table[name] == nil then
- table[name] = {}
- end
- return table[name]
-end
-
-function get_table_val(val, vtype)
- if type(val) == (vtype or "string") then
- return { val }
- elseif type(val) == "table" then
- return val
- end
- return nil
-end
-
-function get_name_list(name)
- return get_table_val(name or ".all")
-end
-
-function add_trigger_option(list, t)
- local name = get_name_list(t.option)
- for i, n in ipairs(name) do
- option = check_table(list, n)
- table.insert(option, t)
- end
-end
-
-function add_trigger_section(list, t)
- local name = get_name_list(t.section)
- for i, n in ipairs(name) do
- section = check_table(list, n)
- add_trigger_option(section, t)
- end
-end
-
-function check_insert_triggers(dest, list, tuple)
- if list == nil then
- return
- end
- for i, t in ipairs(list) do
- local add = true
- if type(t.check) == "function" then
- add = t.check(tuple)
- end
- if add then
- dest[t.id] = t
- end
- end
-end
-
-function find_section_triggers(tlist, pos, tuple)
- if pos == nil then
- return
- end
- check_insert_triggers(tlist, pos[".all"], tuple)
- if tuple.option then
- check_insert_triggers(tlist, pos[tuple.option], tuple)
- end
-end
-
-function check_recursion(name, seen)
- if seen == nil then
- seen = {}
- end
- if seen[name] then
- return nil
- end
- seen[name] = true
- return seen
-end
-
-
-function find_recursive_depends(list, name, seen)
- seen = check_recursion(name, seen)
- if not seen then
- return
- end
- local bt = get_table_val(triggers.list[name].belongs_to) or {}
- for i, n in ipairs(bt) do
- table.insert(list, n)
- find_recursive_depends(list, n, seen)
- end
-end
-
-function check_trigger_depth(list, name)
- if name == nil then
- return
- end
-
- local n = list[name]
- if n == nil then
- return
- end
-
- list[name] = nil
- return check_trigger_depth(list, n)
-end
-
-function find_triggers(tuple)
- local pos = triggers.uci[tuple.package]
- if pos == nil then
- return {}
- end
-
- local tlist = {}
- find_section_triggers(tlist, pos[".all"], tuple)
- find_section_triggers(tlist, pos[tuple.section[".type"]], tuple)
-
- for n, t in pairs(tlist) do
- local dep = {}
- find_recursive_depends(dep, t.id)
- for i, depname in ipairs(dep) do
- check_trigger_depth(tlist, depname)
- end
- end
-
- local nlist = {}
- for n, t in pairs(tlist) do
- if t then
- table.insert(nlist, t)
- end
- end
-
- return nlist
-end
-
-function reset_state()
- assert(io.open("/var/run/uci_trigger", "w")):close()
- if tctx then
- tctx:unload("uci_trigger")
- end
-end
-
-function load_state()
- -- make sure the config file exists before we attempt to load it
- -- uci doesn't like loading nonexistent config files
- local f = assert(io.open("/var/run/uci_trigger", "a")):close()
-
- load_modules()
- triggers.active = {}
- if tctx then
- tctx:unload("uci_trigger")
- else
- tctx = uci.cursor()
- end
- assert(tctx:load("/var/run/uci_trigger"))
- tctx:foreach("uci_trigger", "trigger",
- function(section)
- trigger = triggers.list[section[".name"]]
- if trigger == nil then
- return
- end
-
- active = {}
- triggers.active[trigger.id] = active
-
- local s = get_table_val(section["sections"]) or {}
- for i, v in ipairs(s) do
- active[v] = true
- end
- end
- )
-end
-
-function get_names(list)
- local slist = {}
- for name, val in pairs(list) do
- if val then
- table.insert(slist, name)
- end
- end
- return slist
-end
-
-function check_cancel(name, seen)
- local t = triggers.list[name]
- local dep = get_table_val(t.belongs_to)
- seen = check_recursion(name, seen)
-
- if not t or not dep or not seen then
- return false
- end
-
- for i, v in ipairs(dep) do
- -- only cancel triggers for all sections
- -- if both the current and the parent trigger
- -- are per-section
- local section_only = false
- if t.section_only then
- local tdep = triggers.list[v]
- if tdep then
- section_only = tdep.section_only
- end
- end
-
- if check_cancel(v, seen) then
- return true
- end
- if triggers.active[v] then
- if section_only then
- for n, active in pairs(triggers.active[v]) do
- triggers.active[name][n] = false
- end
- else
- return true
- end
- end
- end
- return false
-end
-
--- trigger api functions
-
-function add(ts)
- for i,t in ipairs(ts) do
- triggers.list[t.id] = t
- match = {}
- if t.package then
- local package = check_table(triggers.uci, t.package)
- add_trigger_section(package, t)
- triggers.list[t.id] = t
- end
- end
-end
-
-function save_trigger(name)
- if triggers.active[name] then
- local slist = get_names(triggers.active[name])
- if #slist > 0 then
- tctx:set("uci_trigger", name, "sections", slist)
- end
- else
- tctx:delete("uci_trigger", name)
- end
-end
-
-function set(data, cursor)
- assert(data ~= nil)
- if cursor == nil then
- cursor = tmp_cursor or uci.cursor()
- tmp_cursor = uci.cursor
- end
-
- local tuple = {
- package = data[1],
- section = data[2],
- option = data[3],
- value = data[4]
- }
- assert(cursor:load(tuple.package))
-
- load_state()
- local section = cursor:get_all(tuple.package, tuple.section)
- if (section == nil) then
- if option ~= nil then
- return
- end
- section = {
- [".type"] = value
- }
- if tuple.section == nil then
- tuple.section = ""
- section[".anonymous"] = true
- end
- section[".name"] = tuple.section
- end
- tuple.section = section
-
- local ts = find_triggers(tuple)
- for i, t in ipairs(ts) do
- local active = triggers.active[t.id]
- if not active then
- active = {}
- triggers.active[t.id] = active
- tctx:set("uci_trigger", t.id, "trigger")
- end
- if section[".name"] then
- active[section[".name"]] = true
- end
- save_trigger(t.id)
- end
- tctx:save("uci_trigger")
-end
-
-function get_description(trigger, sections)
- if not trigger.title then
- return trigger.id
- end
- local desc = trigger.title
- if trigger.section_only and sections and #sections > 0 then
- desc = desc .. " (" .. table.concat(sections, ", ") .. ")"
- end
- return desc
-end
-
-function get_active()
- local slist = {}
-
- if triggers == nil then
- load_state()
- end
- for name, val in pairs(triggers.active) do
- if val and not check_cancel(name) then
- local sections = {}
- for name, active in pairs(triggers.active[name]) do
- if active then
- table.insert(sections, name)
- end
- end
- table.insert(slist, { triggers.list[name], sections })
- end
- end
- return slist
-end
-
-function set_active(trigger, sections)
- if triggers == nil then
- load_state()
- end
- if not triggers.list[trigger] then
- return
- end
- if triggers.active[trigger] == nil then
- tctx:set("uci_trigger", trigger, "trigger")
- triggers.active[trigger] = {}
- end
- local active = triggers.active[trigger]
- if triggers.list[trigger].section_only or sections ~= nil then
- for i, t in ipairs(sections) do
- triggers.active[trigger][t] = true
- end
- end
- save_trigger(trigger)
- tctx:save("uci_trigger")
-end
-
-function clear_active(trigger, sections)
- if triggers == nil then
- load_state()
- end
- if triggers.list[trigger] == nil or triggers.active[trigger] == nil then
- return
- end
- local active = triggers.active[trigger]
- if not triggers.list[trigger].section_only or sections == nil then
- triggers.active[trigger] = nil
- else
- for i, t in ipairs(sections) do
- triggers.active[trigger][t] = false
- end
- end
- save_trigger(trigger)
- tctx:save("uci_trigger")
-end
-
-function run(ts)
- if ts == nil then
- ts = get_active()
- end
- for i, t in ipairs(ts) do
- local trigger = t[1]
- local sections = t[2]
- local actions = get_table_val(trigger.action, "function") or {}
- for ai, a in ipairs(actions) do
- if not trigger.section_only then
- sections = { "" }
- end
- for si, s in ipairs(sections) do
- if a(s) then
- tctx:delete("uci_trigger", trigger.id)
- tctx:save("uci_trigger")
- end
- end
- end
- end
-end
-
--- helper functions
-
-function system_command(arg)
- local cmd = arg
- return function(arg)
- return os.execute(cmd:format(arg)) == 0
- end
-end
-
-function service_restart(arg)
- return system_command("/etc/init.d/" .. arg .. " restart")
-end
--
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