Make LUA works

- Added LUA library at link
- Make app-template crash build if a checked file fails
- Fix old defined variable CONTROL_LUA_PATH to a default
one in the binding data directory
- Add an example with unit conversion made in LUA

Change-Id: I1b4712bde32a38044ad6b14ebd38b6782fd01fe9
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 47 insertions, 0 deletions

diff --git a/conf.d/project/lua.d/init-daemon-01-init.lua b/conf.d/project/lua.d/init-daemon-01-init.lua
new file mode 100644
index 0000000..0b8a923
--- /dev/null
+++ b/conf.d/project/lua.d/init-daemon-01-init.lua
@@ -0,0 +1,47 @@
+--[[
+  Copyright (C) 2016 "IoT.bzh"
+  Author Fulup Ar Foll <fulup@iot.bzh>
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+--]]
+
+-- Global variable SHOULD start with _
+_Global_Context={}
+
+--[[
+   This function is call during controller init phase as describe in onload-daemon-sample.json
+   It receives two argument 1st one is the source (here on load) second one is the arguments
+   as expose in config file.
+
+   In this sample we create an event that take the name of args["zzzz"], the resulting handle
+   is save into _Global_Context for further use.
+
+   Note: init functions are not call from a client and thus do not receive query
+--]]
+
+function _Sample_Controller_Init(source, control)
+
+    printf ("[-- Sample_Controller_Init --] source=%d control=%s", source, Dump_Table(control))
+
+    -- if no argument return now
+    if (control==nil or control["zzzz"]==nil) then
+        printf ("[-- Sample_Controller_Init --]  no event name given")
+        return
+    end
+
+    -- set a count to make more visible each call
+    _Global_Context["counter"]=0
+
+    -- just for fun create an event
+    _Global_Context["event"]=AFB:evtmake(control["zzzz"])
+end