XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua,bindings,"Lua Bindings");
#define TASK_MODULE_NAME "simgrid.Task"
+#define HOST_MODULE_NAME "simgrid.Host"
/* ********************************************************************************* */
/* helper functions */
}
/** @brief leaves a new userdata on top of the stack, sets its metatable, and sets the Task pointer inside the userdata */
-static m_task_t *pushTask (lua_State *L,m_task_t tk) {
+/*static m_task_t *pushTask (lua_State *L,m_task_t tk) {
m_task_t *pi = NULL;
pi = (m_task_t*)lua_newuserdata(L,sizeof(m_task_t));
lua_setmetatable(L,-2);
return pi;
-}
+}*/
/* ********************************************************************************* */
/* wrapper functions */
/* ********************************************************************************* */
+/**
+ * Task
+ */
+
static int Task_new(lua_State* L) {
const char *name=luaL_checkstring(L,1);
int comp_size = luaL_checkint(L,2);
int msg_size = luaL_checkint(L,3);
INFO0("Creating task");
-
m_task_t msg_task = MSG_task_create(name,comp_size,msg_size,NULL);
-
lua_newtable (L); /* create a table, put the userdata on top of it */
-
m_task_t *lua_task = (m_task_t*)lua_newuserdata(L,sizeof(m_task_t));
*lua_task = msg_task;
-
luaL_getmetatable(L,TASK_MODULE_NAME);
lua_setmetatable(L,-2);
-
lua_setfield (L, -2, "__simgrid_task"); /* put the userdata as field of the table */
/* remove the args from the stack */
lua_remove(L,1);
}
static int Task_computation_duration(lua_State *L){
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
lua_pushnumber(L,MSG_task_get_compute_duration (tk));
return 1;
}
static int Task_execute(lua_State *L){
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
int res = MSG_task_execute(tk);
lua_pushnumber(L,res);
return 1;
{0,0}
};
static int Task_gc(lua_State *L) {
- m_task_t tk=checkTask(L,1);
+ m_task_t tk=checkTask(L,-1);
if (tk) MSG_task_destroy(tk);
- //printf("GoodBye Task(%p)\n",lua_touserdata(L,1));
return 0;
}
return 1;
}
-
static const luaL_reg Task_meta[] = {
{"__gc", Task_gc},
{"__tostring", Task_tostring},
{0,0}
};
+/**
+ * Host
+ */
+static m_host_t checkHost (lua_State *L,int index) {
+ m_host_t *pi,ht;
+ luaL_checktype(L,index,LUA_TTABLE);
+ lua_getfield(L,index,"__simgrid_host");
+ pi = (m_host_t*)luaL_checkudata(L,-1,HOST_MODULE_NAME);
+ if(pi == NULL)
+ luaL_typerror(L,index,HOST_MODULE_NAME);
+ ht = *pi;
+ if(!ht)
+ luaL_error(L,"null Host");
+ lua_pop(L,1);
+ return ht;
+}
+
+
+static int Host_get_by_name(lua_State *L)
+{
+ const char *name=luaL_checkstring(L,1);
+ DEBUG0("Getting Host from name...");
+ m_host_t msg_host = MSG_get_host_by_name(name);
+ if (!msg_host)
+ {
+ //ERROR1("MSG_get_host_by_name(%s) failled",name);
+ luaL_error(L,"null Host : MSG_get_host_by_name failled");
+ //return -1;
+ }
+ lua_newtable (L); /* create a table, put the userdata on top of it */
+ m_host_t *lua_host = (m_host_t*)lua_newuserdata(L,sizeof(m_host_t));
+ *lua_host = msg_host;
+ luaL_getmetatable(L,HOST_MODULE_NAME);
+ lua_setmetatable(L,-2);
+ lua_setfield (L, -2, "__simgrid_host"); /* put the userdata as field of the table */
+ /* remove the args from the stack */
+ lua_remove(L,1);
+ return 1;
+}
+
+
+static int Host_get_name(lua_State *L) {
+ m_host_t ht = checkHost(L,-1);
+ lua_pushstring(L,MSG_host_get_name(ht));
+ return 1;
+}
+
+static int Host_number(lua_State *L) {
+ lua_pushnumber(L,MSG_get_host_number());
+ return 1;
+}
+
+static int Host_table(lua_State *L)
+{
+ // FIXME
+ int nb = MSG_get_host_number();
+ m_host_t *msg_hosts = MSG_get_host_table();
+ m_host_t *lua_hosts = (m_host_t*)lua_newuserdata(L,sizeof(m_host_t)*nb);
+ *lua_hosts = msg_hosts;
+
+ lua_newtable (L);
+ // TODO : fill the table <ith hosts
+ return 1;
+}
+
+static const luaL_reg Host_methods[] = {
+ {"getByName", Host_get_by_name},
+ {"name", Host_get_name},
+ {"number", Host_number},
+ {"list", Host_table},
+ {0,0}
+};
+
+static int Host_gc(lua_State *L)
+{
+ m_host_t ht = checkHost(L,-1);
+ if (ht) ht = NULL;
+ return 0;
+}
+
+static int Host_tostring(lua_State *L)
+{
+ lua_pushfstring(L,"Host :%p",lua_touserdata(L,1));
+ return 1;
+}
+
+static const luaL_reg Host_meta[] = {
+ {"__gc", Host_gc},
+ {"__tostring", Host_tostring},
+ {0,0}
+};
+
/*
* Environment related
*/
/* register the core C functions to lua */
luaL_register(L, "simgrid", simgrid_funcs);
- /* register the tasks to lua */
+ /* register the task methods to lua */
luaL_openlib(L,TASK_MODULE_NAME,Task_methods,0); //create methods table,add it to the globals
luaL_newmetatable(L,TASK_MODULE_NAME); //create metatable for Task,add it to the Lua registry
luaL_openlib(L,0,Task_meta,0);// fill metatable
lua_rawset(L,-3); //hide metatable:metatable.__metatable = methods
lua_pop(L,1); //drop metatable
+ /* register the hosts methods to lua*/
+ luaL_openlib(L,HOST_MODULE_NAME,Host_methods,0);
+ luaL_newmetatable(L,HOST_MODULE_NAME);
+ luaL_openlib(L,0,Host_meta,0);
+ lua_pushliteral(L,"__index");
+ lua_pushvalue(L,-3);
+ lua_rawset(L,-3);
+ lua_pushliteral(L,"__metatable");
+ lua_pushvalue(L,-3);
+ lua_rawset(L,-3);
+ lua_pop(L,1);
+
/* Keep the context mechanism informed of our lua world today */
simgrid_lua_state = L;
