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authorFulup Ar Foll <fulup@iot.bzh>2017-08-16 10:49:51 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-08-16 10:49:51 +0200
commit4ca8fd4015479fa758a789d137a693c30fec8cae (patch)
tree45cac25de622ded5802f69f71ce958d3633ab22a /Controler-afb/ctl-lua.c
parent716d28f99637d6f2b8eb2758c2da41da67b8027c (diff)
Moved FileConfigScan to AudioCommon and Documentation
Diffstat (limited to 'Controler-afb/ctl-lua.c')
-rw-r--r--Controler-afb/ctl-lua.c117
1 files changed, 79 insertions, 38 deletions
diff --git a/Controler-afb/ctl-lua.c b/Controler-afb/ctl-lua.c
index 919230d..bf02a31 100644
--- a/Controler-afb/ctl-lua.c
+++ b/Controler-afb/ctl-lua.c
@@ -33,6 +33,7 @@
#define LUA_FIST_ARG 2 // when using luaL_newlib calllback receive libtable as 1st arg
#define LUA_MSG_MAX_LENGTH 255
+#define JSON_ERROR (json_object*)-1
static lua_State* luaState;
@@ -107,7 +108,7 @@ STATIC void LuaCtxFree (LuaAfbContextT *afbContext) {
// Push a json structure on the stack as a LUA table
STATIC int LuaPushArgument (json_object *argsJ) {
- AFB_NOTICE("LuaPushArgument argsJ=%s", json_object_get_string(argsJ));
+ //AFB_NOTICE("LuaPushArgument argsJ=%s", json_object_get_string(argsJ));
json_type jtype= json_object_get_type(argsJ);
switch (jtype) {
@@ -156,6 +157,7 @@ STATIC int LuaPushArgument (json_object *argsJ) {
}
STATIC json_object *PopOneArg (lua_State* luaState, int idx);
+
STATIC json_object *LuaTableToJson (lua_State* luaState, int index) {
int idx;
@@ -171,8 +173,8 @@ STATIC json_object *LuaTableToJson (lua_State* luaState, int index) {
snprintf(number, sizeof(number),"%d", idx);
key=number;
}
-
- json_object_object_add(tableJ, key, PopOneArg(luaState, -1));
+ json_object *argJ= PopOneArg(luaState, -1);
+ json_object_object_add(tableJ, key, argJ);
lua_pop(luaState, 1); // removes 'value'; keeps 'key' for next iteration
}
@@ -189,9 +191,16 @@ STATIC json_object *PopOneArg (lua_State* luaState, int idx) {
int luaType = lua_type(luaState, idx);
switch(luaType) {
- case LUA_TNUMBER:
- value= json_object_new_double(lua_tonumber(luaState, idx));
+ case LUA_TNUMBER: {
+ lua_Number number= lua_tonumber(luaState, idx);;
+ int nombre = (int)number; // evil trick to determine wether n fits in an integer. (stolen from ltcl.c)
+ if (number == nombre) {
+ value= json_object_new_int((int)number);
+ } else {
+ value= json_object_new_double(number);
+ }
break;
+ }
case LUA_TBOOLEAN:
value= json_object_new_boolean(lua_toboolean(luaState, idx));
break;
@@ -199,15 +208,23 @@ STATIC json_object *PopOneArg (lua_State* luaState, int idx) {
value= json_object_new_string(lua_tostring(luaState, idx));
break;
case LUA_TTABLE: {
- value= LuaTableToJson(luaState, idx);
+ if (idx > 0) {
+ value= LuaTableToJson(luaState, idx);
+ } else {
+ value= json_object_new_string("UNSUPPORTED_Lua_Nested_Table");
+ }
break;
}
+ case LUA_TNIL:
+ value=json_object_new_string("nil") ;
+ break;
+
default:
AFB_NOTICE ("PopOneArg: script returned Unknown/Unsupported idx=%d type:%d/%s", idx, luaType, lua_typename(luaState, luaType));
value=NULL;
}
- return value;
+ return value;
}
static json_object *LuaPopArgs (lua_State* luaState, int start) {
@@ -223,24 +240,28 @@ static json_object *LuaPopArgs (lua_State* luaState, int start) {
// loop on remaining return arguments
responseJ= json_object_new_array();
for (int idx=start; idx <= stop; idx++) {
- json_object_array_add(responseJ, PopOneArg (luaState, idx));
+ json_object *argJ=PopOneArg (luaState, idx);
+ if (!argJ) goto OnErrorExit;
+ json_object_array_add(responseJ, argJ);
}
}
return responseJ;
-}
+
+ OnErrorExit:
+ return NULL;
+}
-STATIC void LuaFormatMessage(lua_State* luaState, LuaAfbMessageT action) {
+
+STATIC int LuaFormatMessage(lua_State* luaState, LuaAfbMessageT action) {
char *message;
json_object *responseJ= LuaPopArgs(luaState, LUA_FIST_ARG);
+
if (!responseJ) {
- message="-- Empty Message ???";
- goto PrintMessage;
+ luaL_error(luaState,"LuaFormatMessage empty message");
+ goto OnErrorExit;
}
-
- //AFB_NOTICE("**** responseJ=%s", json_object_get_string(responseJ));
-
// if we have only on argument just return the value.
if (json_object_get_type(responseJ)!=json_type_array || json_object_array_length(responseJ) <2) {
@@ -290,6 +311,7 @@ STATIC void LuaFormatMessage(lua_State* luaState, LuaAfbMessageT action) {
message[targetIdx++] = format[idx];
}
}
+ message[targetIdx]='\0';
PrintMessage:
switch (action) {
@@ -309,31 +331,35 @@ PrintMessage:
default:
AFB_ERROR (message);
}
+ return 0; // nothing return to lua
+
+ OnErrorExit: // on argument to return (the error message)
+ return 1;
}
STATIC int LuaPrintInfo(lua_State* luaState) {
- LuaFormatMessage (luaState, AFB_MSG_INFO);
- return 0; // no value return
+ int err=LuaFormatMessage (luaState, AFB_MSG_INFO);
+ return err;
}
STATIC int LuaPrintError(lua_State* luaState) {
- LuaFormatMessage (luaState, AFB_MSG_ERROR);
- return 0; // no value return
+ int err=LuaFormatMessage (luaState, AFB_MSG_ERROR);
+ return err; // no value return
}
STATIC int LuaPrintWarning(lua_State* luaState) {
- LuaFormatMessage (luaState, AFB_MSG_WARNING);
- return 0; // no value return
+ int err=LuaFormatMessage (luaState, AFB_MSG_WARNING);
+ return err;
}
STATIC int LuaPrintNotice(lua_State* luaState) {
- LuaFormatMessage (luaState, AFB_MSG_NOTICE);
- return 0; // no value return
+ int err=LuaFormatMessage (luaState, AFB_MSG_NOTICE);
+ return err;
}
STATIC int LuaPrintDebug(lua_State* luaState) {
- LuaFormatMessage (luaState, AFB_MSG_DEBUG);
- return 0; // no value return
+ int err=LuaFormatMessage (luaState, AFB_MSG_DEBUG);
+ return err;
}
STATIC int LuaAfbSuccess(lua_State* luaState) {
@@ -342,6 +368,7 @@ STATIC int LuaAfbSuccess(lua_State* luaState) {
// ignore context argument
json_object *responseJ= LuaPopArgs(luaState, LUA_FIST_ARG+1);
+ if (responseJ == JSON_ERROR) return 1;
afb_req_success(afbContext->request, responseJ, NULL);
@@ -358,6 +385,7 @@ STATIC int LuaAfbFail(lua_State* luaState) {
if (!afbContext) goto OnErrorExit;
json_object *responseJ= LuaPopArgs(luaState, LUA_FIST_ARG+1);
+ if (responseJ == JSON_ERROR) return 1;
afb_req_fail(afbContext->request, afbContext->info, json_object_get_string(responseJ));
@@ -400,6 +428,7 @@ STATIC int LuaAfbService(lua_State* luaState) {
const char *api = lua_tostring(luaState,2);
const char *verb= lua_tostring(luaState,3);
json_object *queryJ= LuaTableToJson(luaState, 4);
+ if (queryJ == JSON_ERROR) return 1;
LuaCallServiceT *contextCB = calloc (1, sizeof(LuaCallServiceT));
contextCB->callback= lua_tostring(luaState, 5);
@@ -597,7 +626,6 @@ STATIC void LuaDoAction (LuaDoActionT action, afb_req request) {
lua_pushnil(luaState);
count++;
} else {
- AFB_NOTICE("***** args=%s", json_object_get_string(argsJ));
count+= LuaPushArgument (argsJ);
}
@@ -606,15 +634,17 @@ STATIC void LuaDoAction (LuaDoActionT action, afb_req request) {
case LUA_DOSCRIPT: { // Fulup need to fix argument passing
const char *script;
+ char*func;
+ char *filename; char*fullpath;
char luaScriptPath[CONTROL_MAXPATH_LEN];
- json_object *args;
+ json_object *argsJ;
int index;
// scan luascript search path once
static json_object *luaScriptPathJ =NULL;
if (!luaScriptPathJ) luaScriptPathJ= ScanForConfig(CONTROL_LUA_PATH , CTL_SCAN_RECURSIVE, CONTROL_DOSCRIPT_PRE, "lua");
- err= wrap_json_unpack (queryJ, "{s:s, s?o s?o !}", "script", &script,"args", &args, "arg", &args);
+ err= wrap_json_unpack (queryJ, "{s:s, s?s s?o s?o !}", "script", &script,"func", &func, "arg", &argsJ);
if (err) {
AFB_ERROR ("LUA-DOSCRIPT-SYNTAX:missing script|(args,arg) query=%s", json_object_get_string(queryJ));
goto OnErrorExit;
@@ -623,7 +653,6 @@ STATIC void LuaDoAction (LuaDoActionT action, afb_req request) {
// search for filename=script in CONTROL_LUA_PATH
for (index=0; index < json_object_array_length(luaScriptPathJ); index++) {
json_object *entryJ=json_object_array_get_idx(luaScriptPathJ, index);
- char *filename; char*fullpath;
err= wrap_json_unpack (entryJ, "{s:s, s:s !}", "fullpath", &fullpath,"filename", &filename);
if (err) {
@@ -649,15 +678,27 @@ STATIC void LuaDoAction (LuaDoActionT action, afb_req request) {
goto OnErrorExit;
}
- // push query on the stack
- if (json_object_get_type(args) != json_type_array) {
- count= LuaPushArgument (args);
- } else {
- for (int idx=0; idx<json_object_array_length(args); idx++) {
- count += LuaPushArgument (json_object_array_get_idx(args, idx));
- if (err) break;
- }
- }
+ // if no func name given try to deduct from filename
+ if (!func) func= (char*)GetMidleName(filename);
+ if (!func) {
+ AFB_ERROR ("LUA-DOSCRIPT:FAIL to deduct funcname from %s", filename);
+ goto OnErrorExit;
+ }
+
+ // load function (should exist in CONTROL_PATH_LUA
+ lua_getglobal(luaState, func);
+
+ // Push AFB client context on the stack
+ LuaAfbContextT *afbContext= LuaCtxPush(luaState, request, func);
+ if (!afbContext) goto OnErrorExit;
+
+ // push function arguments
+ if (!argsJ) {
+ lua_pushnil(luaState);
+ count++;
+ } else {
+ count+= LuaPushArgument (argsJ);
+ }
break;
}