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, 117 insertions, 0 deletions

diff --git a/conf.d/project/lua.d/init-daemon-04-oncall.lua b/conf.d/project/lua.d/init-daemon-04-oncall.lua
new file mode 100644
index 0000000..ae16aa7
--- /dev/null
+++ b/conf.d/project/lua.d/init-daemon-04-oncall.lua
@@ -0,0 +1,117 @@
+--[[
+  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.
+
+
+  Provide sample LUA routines to be used with AGL control "lua_docall" API
+--]]
+
+--global counter to keep track of calls
+_count=0
+
+
+_interval={
+  {"km/h",1}, --the "1" should never really get used but
+  {"mi/h",0.62137119223733},
+  {"m/s",0.27777777777778},
+}
+
+_positions={}
+for i=1,3 do
+  _positions[_interval[i][1]]=i
+end
+
+--function _Unit_Converter(value, sourceunits, targetunits)
+function _Unit_Converter(source, args, event)
+  local value = event["value"]
+  local sourceunits = args["from"]
+  local targetunits = args["to"]
+  local sourcei, targeti = _positions[sourceunits], _positions[targetunits]
+  assert(sourcei and targeti)
+
+  AFB:notice("LUA OnCall Echo Args source=%s args=%s event=%s", source, args, event)
+
+  if sourcei<targeti then
+
+    local base=1
+    for i=sourcei+1,targeti do
+      base=base*_interval[i][2]
+    end
+
+    print("Value in", targetunits, "is", value/base)
+
+  elseif sourcei>targeti then
+
+    local base=1
+    for i=targeti+1,sourcei do
+      base=base*interval[i][2]
+    end
+
+    print("Value in ", targetunits, "is", value*base)
+
+  else
+    print("No conversion")
+  end
+end
+
+-- Display receive arguments and echo them to caller
+function _Simple_Echo_Args (source, args, event)
+    _count=_count+1
+    AFB:notice("LUA OnCall Echo Args count=%d args=%s event=%s", count, args, event)
+
+    print ("--inlua-- source=", Dump_Table(source))
+    print ("--inlua-- args=", Dump_Table(args))
+    print ("--inlua-- event=", Dump_Table(event))
+
+    local response={
+       ["count"]=_count,
+       ["args"]=args,
+    }
+
+    -- fulup Embdeded table ToeDone AFB:success (request, response)
+    -- AFB:success (request, response)
+end
+
+local function Test_Async_CB (request, result, context)
+   response={
+     ["result"]=result,
+     ["context"]=context,
+   }
+
+   AFB:notice ("Test_Async_CB result=%s context=%s", result, context)
+   AFB:success (request, response)
+end
+
+function _Test_Call_Async (request, args)
+   local context={
+     ["value1"]="abcd",
+     ["value2"]=1234
+   }
+
+   AFB:notice ("Test_Call_Async args=%s cb=Test_Async_CB", args)
+   AFB:service("monitor","ping", "Test_Async_CB", context)
+end
+
+function _Simple_Monitor_Call (request, args)
+
+    AFB:notice ("_Simple_Server_Call args=%s", args)
+    local err, result= AFB:servsync ("monitor","get", args)
+    if (err) then
+        AFB:fail ("AFB:service_call_sync fail");
+    else
+        AFB:success (request, result["response"])
+    end
+end
+