XBT_DEBUG("Getting Host from name...");
msg_host_t msg_host = MSG_host_by_name(name);
if (!msg_host) {
- luaL_error(L, "null Host : MSG_get_host_by_name failed");
+ XBT_ERROR("MSG_get_host_by_name failed, requested hostname: %s", name);
}
lua_newtable(L); /* create a table, put the userdata on top of it */
msg_host_t *lua_host = (msg_host_t *) lua_newuserdata(L, sizeof(msg_host_t));
lua_getglobal(L, "simgrid"); /* simgrid */
luaL_newlib(L, host_functions); /* simgrid simgrid.host */
lua_setfield(L, -2, "host"); /* simgrid */
+ lua_getfield(L, -1, "host"); /* simgrid simgrid.host */
/* create the metatable for host, add it to the Lua registry */
- luaL_newmetatable(L, HOST_MODULE_NAME); /* simgrid mt */
+ luaL_newmetatable(L, HOST_MODULE_NAME); /* simgrid simgrid.host mt */
/* fill the metatable */
- luaL_setfuncs(L, host_meta, 0); /* simgrid mt */
+ luaL_setfuncs(L, host_meta, 0); /* simgrid simgrid.host mt */
/**
* Copy the table and push it onto the stack.
* Required for the lua_setfield call below.
*/
- lua_getfield(L, -2, "host"); /* simgrid mt simgrid.host */
+ lua_getfield(L, -3, "host"); /* simgrid simgrid.host mt simgrid.host */
/* metatable.__index = simgrid.host
* we put the host functions inside the host userdata itself:
* this allows to write my_host:method(args) for
* simgrid.host.method(my_host, args) */
- lua_setfield(L, -2, "__index"); /* simgrid mt */
+ lua_setfield(L, -2, "__index"); /* simgrid simgrid.host mt */
- lua_setmetatable(L, -2); /* simgrid */
- lua_pop(L, 1);
+ lua_setmetatable(L, -2); /* simgrid simgrid.host */
+ lua_pop(L, 2); /* -- */
}