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-rwxr-xr-xpackage/uci/trigger/apply_config54
-rw-r--r--package/uci/trigger/lib/trigger.lua419
-rw-r--r--package/uci/trigger/modules/base.lua63
3 files changed, 0 insertions, 536 deletions
diff --git a/package/uci/trigger/apply_config b/package/uci/trigger/apply_config
deleted file mode 100755
index 2ad6c99..0000000
--- a/package/uci/trigger/apply_config
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/usr/bin/lua
-require("uci")
-require("uci.trigger")
-
-function usage()
- print("Usage: " .. arg[0] .. " [options]")
- print("Options:")
- print(" -a: apply the config changes")
- print(" -t: show matching UCI triggers")
- print(" -s: show information about tasks to be executed")
- print(" -r: reset all triggers")
- print(" -C <trigger> [<section>]: force clear a trigger")
- print(" -S <trigger> [<section>]: force set a trigger")
- print("")
-end
-
-if arg[1] == "-s" then
- local triggers = uci.trigger.get_active()
- if #triggers > 0 then
- print("Tasks:")
- for i, a in ipairs(triggers) do
- local trigger = a[1]
- local sections = a[2]
- print(" - " .. uci.trigger.get_description(trigger, sections))
- end
- else
- print "Nothing to do"
- end
-elseif arg[1] == "-t" then
- local triggers = uci.trigger.get_active()
- for i, a in ipairs(triggers) do
- local trigger = a[1]
- local sections = a[2]
- if trigger.section_only then
- print(trigger.id .. " " .. table.concat(sections, " "))
- else
- print(trigger.id)
- end
- end
-elseif arg[1] == "-a" then
- uci.trigger.run()
-elseif arg[1] == "-r" then
- uci.trigger.reset_state()
-elseif arg[1] == "-S" then
- local trigger = arg[2]
- local section = arg[3]
- uci.trigger.set_active(trigger, section)
-elseif arg[1] == "-C" then
- local trigger = arg[2]
- local section = arg[3]
- uci.trigger.clear_active(trigger, section)
-else
- usage()
-end
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
diff --git a/package/uci/trigger/modules/base.lua b/package/uci/trigger/modules/base.lua
deleted file mode 100644
index 3ab6bba..0000000
--- a/package/uci/trigger/modules/base.lua
+++ /dev/null
@@ -1,63 +0,0 @@
-module("trigger.base", package.seeall)
-require("uci.trigger")
-
-uci.trigger.add {
- {
- id = "dnsmasq_restart",
- title = "Restart dnsmasq",
- package = "dhcp",
- action = uci.trigger.service_restart("dnsmasq"),
- },
- {
- id = "dropbear_restart",
- title = "Restart dropbear",
- package = "dropbear",
- action = uci.trigger.service_restart("dropbear"),
- },
- {
- id = "fstab_restart",
- title = "Remount filesystems",
- package = "fstab",
- action = uci.trigger.service_restart("fstab"),
- },
- {
- id = "firewall_restart",
- title = "Reload firewall rules",
- package = "firewall",
- action = uci.trigger.service_restart("firewall"),
- },
- {
- id = "httpd_restart",
- title = "Restart the http server",
- package = "httpd",
- action = uci.trigger.service_restart("httpd")
- },
- {
- id = "led_restart",
- title = "Reload LED settings",
- package = "system",
- section = "led",
- action = uci.trigger.service_restart("led")
- },
- {
- id = "network_restart",
- title = "Restart networking and wireless",
- package = "network",
- action = uci.trigger.service_restart("network")
- },
- {
- id = "qos_restart",
- title = "Reload Quality of Service rules",
- package = "qos",
- action = uci.trigger.service_restart("qos"),
- },
- {
- id = "wireless_restart",
- title = "Restart all wireless interfaces",
- package = "wireless",
- section = { "wifi-device", "wifi-iface" },
- action = uci.trigger.system_command("wifi"),
- belongs_to = "network_restart"
- },
-}
-