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Code Issues Releases Wiki Activity

Better uci error handling

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This commit is contained in:
peteruithoven 2013-12-23 14:35:03 +01:00
parent 1668cd446a
commit bd1409b6a6
3 changed files with 107 additions and 27 deletions
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6
src/main.lua
View File

@ -124,6 +124,12 @@ local function setupLogger()
else logTargetError = msg
end
end
else
-- if uci config not available, fallback to /tmp/wifibox.log
local f,msg = io.open('/tmp/wifibox.log', 'a+')
if f then logStream = f
else logTargetError = msg
end
end
if type(logLevelSetting) == 'string' and logLevelSetting:len() > 0 then

38
src/rest/api/api_config.lua
View File

@ -40,8 +40,12 @@ function M._global_GET(request, response)
for k,v in pairs(request:getAll()) do
local r,m = settings.get(k)
if r ~= nil then response:addData(k, r)
else response:addData(k, "could not read key ('" .. m .. "')")
if r ~= nil then
response:addData(k, r)
else
response:addData(k, "could not read key ('" .. m .. "')")
response:setError(m)
return false;
end
end
end
@ -59,12 +63,13 @@ function M._global_POST(request, response)
local r,m = settings.set(k, v)
if r then
--response:addData(k, "ok")
validation[k] = "ok"
else
--response:addData(k, "could not save setting ('" .. m .. "')")
elseif r == false then
validation[k] = "could not save setting ('" .. m .. "')"
log:info(" m: "..utils.dump(m))
elseif r == nil then
response:setError(m)
return false;
end
end
response:addData("validation",validation)
@ -82,10 +87,16 @@ function M._global_POST(request, response)
end
function M.all_GET(request, response)
local allSettings, msg = settings.getAll();
if allSettings then
response:setSuccess()
for k,v in pairs(settings.getAll()) do
response:addData(k,v)
end
else
response:setError(msg)
return false;
end
end
--- Reset specific setting to default value
@ -102,8 +113,13 @@ function M.reset_POST(request, response)
for k,v in pairs(request:getAll()) do
--log:info(" "..k..": "..v);
local r,m = settings.reset(k);
if r ~= nil then response:addData(k, "ok")
else response:addData(k, "could not reset key ('" .. m .. "')") end
if r ~= nil then
response:addData(k, "ok")
else
response:addData(k, "could not reset key ('" .. m .. "')")
response:setError(m)
return false;
end
end
end
@ -111,7 +127,13 @@ end
function M.resetall_POST(request, response)
if not operationsAccessOrFail(request, response) then return end
response:setSuccess()
settings.resetAll()
local rv, msg = settings.resetAll()
if(rv == nil) then
response:setError(msg)
return false
end
for k,v in pairs(settings.getAll()) do
response:addData(k,v)

82
src/util/settings.lua
View File

@ -161,7 +161,14 @@ function M.get(key)
section = M.get(base.subSection)
end
local uciV = fromUciValue(uci:get(UCI_CONFIG_NAME, section, key), base.type)
local uciV,msg = uci:get(UCI_CONFIG_NAME, section, key)
if not uciV and msg ~= nil then
local errorMSG = "Issue reading setting '"..utils.dump(key).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
local uciV = fromUciValue(uciV, base.type)
if uciV ~= nil then
-- returning value from uci
return uciV
@ -183,7 +190,12 @@ function M.getAll()
for k,_ in pairs(baseconfig) do
if not k:match('^[A-Z_]*$') then --TEMP: skip 'constants', which should be moved anyway
local key = replaceUnderscores(k)
result[key] = M.get(key)
local v, msg = M.get(key)
if not uciV and msg ~= nil then
return nil, msg
else
result[key] = v
end
end
end
return result
@ -213,17 +225,22 @@ end
--- Sets a key to a new value or reverts it to the default value.
-- @string key The key to set.
-- @p[opt=nil] value The value or set, or nil to revert key to its default value.
-- @treturn bool|nil True if everything went well, nil in case of error.
-- @treturn bool|nil True if everything went well, false if validation error, nil in case of error.
-- @treturn ?string Error message in case first return value is nil (invalid key).
function M.set(key, value)
log:info("settings:set: "..utils.dump(key).." to: "..utils.dump(value))
key = replaceDots(key)
local r = utils.create(UCI_CONFIG_FILE)
uci:set(UCI_CONFIG_NAME, UCI_CONFIG_SECTION, UCI_CONFIG_TYPE)
local rv, msg = uci:set(UCI_CONFIG_NAME, UCI_CONFIG_SECTION, UCI_CONFIG_TYPE)
if not rv and msg ~= nil then
local errorMSG = "Issue creating section '"..utils.dump(UCI_CONFIG_SECTION).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
local base = getBaseKeyTable(key)
if not base then return nil,ERR_NO_SUCH_KEY end
if not base then return false,ERR_NO_SUCH_KEY end
--log:info(" base.type: "..utils.dump(base.type))
if base.type == 'bool' then
@ -235,26 +252,41 @@ function M.set(key, value)
elseif base.type == 'int' or base.type == 'float' then
value = tonumber(value)
if(value == nil) then
return nil,"Value isn't a valid int or float"
return false,"Value isn't a valid int or float"
end
end
local valid,m = isValid(value, base)
if not valid then
return nil,m
return false,m
end
local section = UCI_CONFIG_SECTION;
if base.subSection ~= nil then
section = M.get(base.subSection)
uci:set(UCI_CONFIG_NAME, section, UCI_CONFIG_TYPE)
local rv, msg = uci:set(UCI_CONFIG_NAME, section, UCI_CONFIG_TYPE)
if not rv and msg ~= nil then
local errorMSG = "Issue creating subsection '"..utils.dump(section).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
end
if value ~= nil then
uci:set(UCI_CONFIG_NAME, section, key, toUciValue(value, base.type))
local rv, msg = uci:set(UCI_CONFIG_NAME, section, key, toUciValue(value, base.type))
if not rv and msg ~= nil then
local errorMSG = "Issue setting setting '"..utils.dump(key).."' in section '"..utils.dump(section).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
else
uci:delete(UCI_CONFIG_NAME, section, key)
local rv, msg = uci:delete(UCI_CONFIG_NAME, section, key)
if not rv and msg ~= nil then
local errorMSG = "Issue deleting setting '"..utils.dump(key).."' in section '"..utils.dump(section).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
end
uci:commit(UCI_CONFIG_NAME)
@ -268,11 +300,21 @@ function M.resetAll()
log:info("settings:resetAll")
-- delete all uci sections but system
local allSections = uci:get_all(UCI_CONFIG_NAME)
local allSections, msg = uci:get_all(UCI_CONFIG_NAME)
if not allSections and msg ~= nil then
local errorMSG = "Issue reading all settings: "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
for key,value in pairs(allSections) do
if key ~= "system" and not key:match('^[A-Z_]*$') then --TEMP: skip 'constants', which should be moved anyway
uci:delete(UCI_CONFIG_NAME,key)
local rv, msg = uci:delete(UCI_CONFIG_NAME,key)
if not rv and msg ~= nil then
local errorMSG = "Issue deleting setting '"..utils.dump(key).."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
end
end
@ -302,7 +344,12 @@ function M.reset(key)
if base.subSection ~= nil then
section = M.get(base.subSection)
end
uci:delete(UCI_CONFIG_NAME, section, key)
local rv, msg = uci:delete(UCI_CONFIG_NAME, section, key)
if not rv and msg ~= nil then
local errorMSG = "Issue deleting setting '"..utils.dump(key).."' in section '"..section.."': "..utils.dump(msg);
log:info(errorMSG)
return nil, errorMSG;
end
-- reuse get logic to retrieve default and set it.
M.set(key,M.get(key))
@ -317,7 +364,12 @@ end
-- @return Requested value or false if it does not exist or nil on invalid key.
function M.getSystemKey(key)
if type(key) ~= 'string' or key:len() == 0 then return nil end
local v = uci:get(UCI_CONFIG_NAME, UCI_CONFIG_SYSTEM_SECTION, key)
local v,msg = uci:get(UCI_CONFIG_NAME, UCI_CONFIG_SYSTEM_SECTION, key)
if not v and msg ~= nil then
local errorMSG = "Issue getting system setting '"..utils.dump(key).."' in section '"..UCI_CONFIG_SYSTEM_SECTION.."': "..utils.dump(msg);
return nil, errorMSG;
end
return v or false
end