--[[
-LuCI - UCI mpdel
+LuCI - UCI model
Description:
Generalized UCI model
limitations under the License.
]]--
-local uci = require "uci2"
+local os = require "os"
+local uci = require "uci"
local util = require "luci.util"
local table = require "table"
+
local setmetatable, rawget, rawset = setmetatable, rawget, rawset
local error, pairs, ipairs, tostring = error, pairs, ipairs, tostring
-local require, getmetatable = require, getmetatable
+local require, getmetatable, type = require, getmetatable, type
--- LuCI UCI model library.
-module("luci.model.uci")
+-- @cstyle instance
+module "luci.model.uci"
+--- Create a new UCI-Cursor.
+-- @class function
+-- @name cursor
+-- @return UCI-Cursor
cursor = uci.cursor
+
APIVERSION = uci.APIVERSION
---- Creates a new statevalue cursor
+--- Create a new Cursor initialized to the state directory.
-- @return UCI cursor
function cursor_state()
return cursor(nil, "/var/state")
end
---- UCI-Cursor
+
local Cursor = getmetatable(cursor())
---- Applies the new config
--- @param config UCI config
-function Cursor.apply(self, config)
- local conf = require "luci.config"
- return conf.uci_oncommit[config] and os.execute(conf.uci_oncommit[config])
+--- Applies UCI configuration changes
+-- @param configlist List of UCI configurations
+-- @param command Don't apply only return the command
+function Cursor.apply(self, configlist, command)
+ configlist = self:_affected(configlist)
+ local reloadcmd = "/sbin/luci-reload " .. table.concat(configlist, " ")
+
+ return command and reloadcmd or os.execute(reloadcmd .. " >/dev/null 2>&1")
end
+
--- Delete all sections of a given type that match certain criteria.
-- @param config UCI config
-- @param type UCI section type
-- @param comparator Function that will be called for each section and
-- returns a boolean whether to delete the current section (optional)
-function Cursor.delete_all(self, config, type, comparator)
+function Cursor.delete_all(self, config, stype, comparator)
local del = {}
+
+ if type(comparator) == "table" then
+ local tbl = comparator
+ comparator = function(section)
+ for k, v in pairs(tbl) do
+ if not section[k] == v then
+ return false
+ end
+ end
+ return true
+ end
+ end
+
local function helper (section)
+
if not comparator or comparator(section) then
table.insert(del, section[".name"])
end
end
- self:foreach(config, type, helper)
+ self:foreach(config, stype, helper)
for i, j in ipairs(del) do
self:delete(config, j)
end
+Cursor._changes = Cursor.changes
+function Cursor.changes(self, config)
+ if config then
+ return Cursor._changes(self, config)
+ else
+ local changes = Cursor._changes(self)
+ util.copcall(function()
+ for k,v in pairs(require "luci.fs".dir(self:get_savedir())) do
+ if v ~= "." and v ~= ".." then
+ util.update(changes, Cursor._changes(self, v))
+ end
+ end
+ end)
+ return changes
+ end
+end
+
+
+-- Return a list of initscripts affected by configuration changes.
+function Cursor._affected(self, configlist)
+ configlist = type(configlist) == "table" and configlist or {configlist}
+
+ local c = cursor()
+ c:load("ucitrack")
+
+ -- Resolve dependencies
+ local reloadlist = {}
+
+ local function _resolve_deps(name)
+ local reload = {name}
+ local deps = {}
+
+ c:foreach("ucitrack", name,
+ function(section)
+ if section.affects then
+ for i, aff in ipairs(section.affects) do
+ table.insert(deps, aff)
+ end
+ end
+ end)
+
+ for i, dep in ipairs(deps) do
+ for j, add in ipairs(_resolve_deps(dep)) do
+ table.insert(reload, add)
+ end
+ end
+
+ return reload
+ end
+
+ -- Collect initscripts
+ for j, config in ipairs(configlist) do
+ for i, e in ipairs(_resolve_deps(config)) do
+ if not util.contains(reloadlist, e) then
+ table.insert(reloadlist, e)
+ end
+ end
+ end
+
+ return reloadlist
+end
+
+
--- Add an anonymous section.
-- @class function
-- @name Cursor.add
-- @name Cursor.commit
-- @param config UCI config
-- @return Boolean whether operation succeeded
--- @see revert
+-- @see Cursor.revert
--- Deletes a section or an option.
-- @class function
-- @return Table of UCI sections or table of UCI values
--- Manually load a config.
--- Warning: This function is unsave! You should use load_config or load_state if possible.
-- @class function
-- @name Cursor.load
-- @param config UCI config
-- @return Boolean whether operation succeeded
--- @see load_config
--- @see load_state
--- @see save
--- @see unload
+-- @see Cursor.save
+-- @see Cursor.unload
--- Revert unsaved changes.
-- @class function
-- @name Cursor.revert
-- @param config UCI config
-- @return Boolean whether operation succeeded
--- @see commit
+-- @see Cursor.commit
--- Saves changes made to a config to make them committable.
-- @class function
-- @name Cursor.save
-- @param config UCI config
-- @return Boolean whether operation succeeded
--- @see load
--- @see unload
+-- @see Cursor.load
+-- @see Cursor.unload
--- Set a value or create a named section.
-- @class function
-- @name Cursor.unload
-- @param config UCI config
-- @return Boolean whether operation succeeded
--- @see load
--- @see save
+-- @see Cursor.load
+-- @see Cursor.save