* Rewrote and optimized ffluci.model.uci

* Use optimized UCI code for ffluci.cbi and ffluci.controller.admin.index if possible

4 files changed, 135 insertions, 94 deletions

diff --git a/core/src/ffluci/cbi.lua b/core/src/ffluci/cbi.lua
index 99d742b993..4d6d25c396 100644
--- a/core/src/ffluci/cbi.lua
+++ b/core/src/ffluci/cbi.lua
@@ -119,12 +119,19 @@ function Map.__init__(self, config, ...)
 	self.config = config
 	self.template = "cbi/map"
 	self.uci = ffluci.model.uci.Session()
-	self.ucidata = self.uci:sections(self.config)
-	if not self.ucidata then
+	self.ucidata, self.uciorder = self.uci:sections(self.config)
+	if not self.ucidata or not self.uciorder then
 		error("Unable to read UCI data: " .. self.config)
 	end
 end
 
+-- Use optimized UCI writing
+function Map.parse(self, ...)
+	self.uci:t_load(self.config)
+	Node.parse(self, ...)
+	self.uci:t_save(self.config)
+end
+
 -- Creates a child section
 function Map.section(self, class, ...)
 	if instanceof(class, AbstractSection) then
@@ -138,21 +145,20 @@ end
 
 -- UCI add
 function Map.add(self, sectiontype)
-	local name = self.uci:add(self.config, sectiontype)
+	local name = self.uci:t_add(self.config, sectiontype)
 	if name then
 		self.ucidata[name] = {}
 		self.ucidata[name][".type"] = sectiontype
-		self.ucidata[".order"] = self.ucidata[".order"] or {}
-		table.insert(self.ucidata[".order"], name)
+		table.insert(self.uciorder, name)
 	end
 	return name
 end
 
 -- UCI set
 function Map.set(self, section, option, value)
-	local stat = self.uci:set(self.config, section, option, value)
+	local stat = self.uci:t_set(self.config, section, option, value)
 	if stat then
-		local val = self.uci:get(self.config, section, option)
+		local val = self.uci:t_get(self.config, section, option)
 		if option then
 			self.ucidata[section][option] = val
 		else
@@ -160,8 +166,7 @@ function Map.set(self, section, option, value)
 				self.ucidata[section] = {}
 			end
 			self.ucidata[section][".type"] = val
-			self.ucidata[".order"] = self.ucidata[".order"] or {}
-			table.insert(self.ucidata[".order"], section)
+			table.insert(self.uciorder, section)
 		end
 	end
 	return stat
@@ -169,15 +174,15 @@ end
 
 -- UCI del
 function Map.del(self, section, option)
-	local stat = self.uci:del(self.config, section, option)
+	local stat = self.uci:t_del(self.config, section, option)
 	if stat then
 		if option then
 			self.ucidata[section][option] = nil
 		else
 			self.ucidata[section] = nil
-			for i, k in ipairs(self.ucidata[".order"]) do
+			for i, k in ipairs(self.uciorder) do
 				if section == k then
-					table.remove(self.ucidata[".order"], i)
+					table.remove(self.uciorder, i)
 				end
 			end
 		end
@@ -188,7 +193,7 @@ end
 -- UCI get (cached)
 function Map.get(self, section, option)
 	if not section then
-		return self.ucidata
+		return self.ucidata, self.uciorder
 	elseif option and self.ucidata[section] then
 		return self.ucidata[section][option]
 	else
@@ -362,19 +367,16 @@ end
 -- Return all matching UCI sections for this TypedSection
 function TypedSection.cfgsections(self)
 	local sections = {}
+	local map, order = self.map:get()
 	
-	local map = self.map:get()
-	if not map[".order"] then
-		return sections
-	end
-	
-	for i, k in pairs(map[".order"]) do
+	for i, k in ipairs(order) do
 		if map[k][".type"] == self.sectiontype then
 			if self:checkscope(k) then
 				table.insert(sections, k)
 			end
 		end
 	end
+	
 	return sections	
 end
 
diff --git a/core/src/ffluci/model/uci.lua b/core/src/ffluci/model/uci.lua
index 511c97433d..ca5b232eb3 100644
--- a/core/src/ffluci/model/uci.lua
+++ b/core/src/ffluci/model/uci.lua
@@ -25,6 +25,9 @@ limitations under the License.
 ]]--
 module("ffluci.model.uci", package.seeall)
 
+-- Default savedir
+savedir = "/tmp/.uci"
+
 -- Test whether to load libuci-Wrapper or /sbin/uci-Wrapper
 if pcall(require, "uci") then
 	Session = require("ffluci.model.uci.libuci").Session
@@ -53,7 +56,6 @@ function changes(...)
 	return default:changes(...)
 end
 
-
 -- Wrapper for "uci commit"
 function commit(...)
 	return default:commit(...)
diff --git a/core/src/ffluci/model/uci/libuci.lua b/core/src/ffluci/model/uci/libuci.lua
index 8414fadc42..b160dc10a3 100644
--- a/core/src/ffluci/model/uci/libuci.lua
+++ b/core/src/ffluci/model/uci/libuci.lua
@@ -26,24 +26,17 @@ limitations under the License.
 
 module("ffluci.model.uci.libuci", package.seeall)
 
+require("uci")
 require("ffluci.util")
-require("ffluci.fs")
 require("ffluci.sys")
 
--- The OS uci command
-ucicmd = "uci"
-
 -- Session class
 Session = ffluci.util.class()
 
 -- Session constructor
-function Session.__init__(self, path, uci)
-	uci = uci or ucicmd
-	if path then
-		self.ucicmd = uci .. " -P " .. path 
-	else
-		self.ucicmd = uci
-	end
+function Session.__init__(self, savedir)
+	self.ucicmd  = savedir and "uci -P " .. savedir or "uci"
+	self.savedir = savedir or ffluci.model.uci.savedir
 end
 
 function Session.add(self, config, section_type)
@@ -55,7 +48,8 @@ function Session.changes(self, config)
 end
 
 function Session.commit(self, config)
-	return self:_uci2("commit " .. _path(config))
+	self:t_load(config)
+	return self:t_commit(config)
 end
 
 function Session.del(self, config, section, option)
@@ -63,31 +57,96 @@ function Session.del(self, config, section, option)
 end
 
 function Session.get(self, config, section, option)
-	return self:_uci("get " .. _path(config, section, option))
+	self:t_load(config)
+	return self:t_get(config, section, option)
 end
 
 function Session.revert(self, config)
-	return self:_uci2("revert " .. _path(config))
+	self:t_load(config)
+	return self:t_revert(config)
 end
 
-function Session.sections(self, config)	
-	if not config then
-		return nil
-	end
-	
-	local r1, r2 = self:_uci3("show " .. _path(config))
-	if type(r1) == "table" then
-		return r1[config]
+function Session.sections(self, config)
+	self:t_load(config)
+	return self:t_sections(config)
+end
+
+function Session.set(self, config, section, option, value)
+	self:t_load(config)
+	return self:t_set(config, section, option, value) and self:t_save(config)
+end
+
+function Session.synchronize(self)
+	return uci.set_savedir(self.savedir)
+end
+
+
+-- UCI-Transactions
+
+function Session.t_load(self, config)
+	return self:synchronize() and uci.load(config)
+end
+
+function Session.t_save(self, config)
+	return uci.save(config)
+end
+
+function Session.t_add(self, config, type)
+	self:t_save(config)
+	local r = self:add(config, type)
+	self:t_load(config)
+	return r
+end
+
+function Session.t_commit(self, config)
+	return uci.commit(config)
+end
+
+function Session.t_del(self, config, section, option)
+	self:t_save(config)
+	local r = self:del(config, section, option)
+	self:t_load(config)
+	return r
+end
+
+function Session.t_get(self, config, section, option)
+	if option then
+		return uci.get(config, section, option)
 	else
-		return nil, r2
+		return uci.get(config, section)
 	end
 end
 
-function Session.set(self, config, section, option, value)
-	return self:_uci2("set " .. _path(config, section, option, value))
+function Session.t_revert(self, config)
+	return uci.revert(config)
 end
 
+function Session.t_sections(self, config)
+	local raw = uci.get_all(config)
+	if not raw then
+		return nil
+	end
+		
+	local s = {}
+	local o = {}
+	
+	for i, sec in ipairs(raw) do 
+		table.insert(o, sec.name)
+		
+		s[sec.name] = sec.options
+		s[sec.name][".type"] = sec.type
+	end
+	
+	return s, o
+end
 
+function Session.t_set(self, config, section, option, value)
+	if option then
+		return uci.set(config.."."..section.."."..option.."="..value)
+	else
+		return uci.set(config.."."..section.."="..value)
+	end
+end
 
 -- Internal functions --
 
@@ -112,34 +171,6 @@ function Session._uci2(self, cmd)
 	end	
 end
 
-function Session._uci3(self, cmd)
-	local res = ffluci.sys.execl(self.ucicmd .. " 2>&1 " .. cmd)
-	if res[1] and res[1]:sub(1, self.ucicmd:len()+1) == self.ucicmd..":" then
-		return nil, res[1]
-	end
-
-	tbl = {}
-
-	for k,line in pairs(res) do
-		c, s, t = line:match("^([^.]-)%.([^.]-)=(.-)$")
-		if c then
-			tbl[c] = tbl[c] or {}
-			tbl[c][".order"] = tbl[c][".order"] or {}
-			
-			tbl[c][s] = {}
-			table.insert(tbl[c][".order"], s)
-			tbl[c][s][".type"] = t
-		end
-	
-		c, s, o, v = line:match("^([^.]-)%.([^.]-)%.([^.]-)=(.-)$")
-		if c then
-			tbl[c][s][o] = v
-		end
-	end
-	
-	return tbl
-end
-
 -- Build path (config.section.option=value) and prevent command injection
 function _path(...)
 	local result = ""
diff --git a/core/src/ffluci/model/uci/wrapper.lua b/core/src/ffluci/model/uci/wrapper.lua
index 142e71958d..3aa3b5fd1d 100644
--- a/core/src/ffluci/model/uci/wrapper.lua
+++ b/core/src/ffluci/model/uci/wrapper.lua
@@ -30,23 +30,14 @@ limitations under the License.
 module("ffluci.model.uci.wrapper", package.seeall)
 
 require("ffluci.util")
-require("ffluci.fs")
 require("ffluci.sys")
 
--- The OS uci command
-ucicmd = "uci"
-
 -- Session class
 Session = ffluci.util.class()
 
 -- Session constructor
-function Session.__init__(self, path, uci)
-	uci = uci or ucicmd
-	if path then
-		self.ucicmd = uci .. " -P " .. path 
-	else
-		self.ucicmd = uci
-	end
+function Session.__init__(self, savedir)
+	self.ucicmd = savedir and "uci -P " .. savedir or "uci"
 end
 
 function Session.add(self, config, section_type)
@@ -80,7 +71,7 @@ function Session.sections(self, config)
 	
 	local r1, r2 = self:_uci3("show " .. _path(config))
 	if type(r1) == "table" then
-		return r1[config]
+		return r1, r2
 	else
 		return nil, r2
 	end
@@ -90,6 +81,23 @@ function Session.set(self, config, section, option, value)
 	return self:_uci2("set " .. _path(config, section, option, value))
 end
 
+function Session.synchronize(self) end
+
+-- Dummy transaction functions
+
+function Session.t_load(self) end
+function Session.t_save(self) end
+
+Session.t_add = Session.add
+Session.t_commit = Session.commit
+Session.t_del = Session.del
+Session.t_get = Session.get
+Session.t_revert = Session.revert
+Session.t_sections = Session.sections
+Session.t_set = Session.set
+
+
+
 
 
 -- Internal functions --
@@ -121,26 +129,24 @@ function Session._uci3(self, cmd)
 		return nil, res[1]
 	end
 
-	tbl = {}
+	local tbl = {}
+	local ord = {}
 
 	for k,line in pairs(res) do
 		c, s, t = line:match("^([^.]-)%.([^.]-)=(.-)$")
 		if c then
-			tbl[c] = tbl[c] or {}
-			tbl[c][".order"] = tbl[c][".order"] or {}
-			
-			tbl[c][s] = {}
-			table.insert(tbl[c][".order"], s)
-			tbl[c][s][".type"] = t
+			tbl[s] = {}
+			table.insert(ord, s)
+			tbl[s][".type"] = t
 		end
 	
 		c, s, o, v = line:match("^([^.]-)%.([^.]-)%.([^.]-)=(.-)$")
 		if c then
-			tbl[c][s][o] = v
+			tbl[s][o] = v
 		end
 	end
 	
-	return tbl
+	return tbl, ord
 end
 
 -- Build path (config.section.option=value) and prevent command injection