/**
* get a field from the result-set
*
*/
static int proxy_resultset_fields_get(lua_State *L) {
GRef *ref = *(GRef **)luaL_checkself(L);
proxy_resultset_t *res = ref->udata;
GPtrArray *fields = res->fields;
MYSQL_FIELD *field;
MYSQL_FIELD **field_p;
lua_Integer ndx = luaL_checkinteger(L, 2);
/* protect the compare */
if (fields->len > G_MAXINT) {
return 0;
}
if (ndx < 1 || ndx > (lua_Integer)fields->len) {
lua_pushnil(L);
return 1;
}
field = fields->pdata[ndx - 1]; /** lua starts at 1, C at 0 */
field_p = lua_newuserdata(L, sizeof(field));
*field_p = field;
proxy_getmetatable(L, methods_proxy_resultset_fields_field);
lua_setmetatable(L, -2);
return 1;
}
int sql_tokenizer_lua_token_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", proxy_tokenize_token_get },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
int lua_mysqld_column_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", lua_mysqld_column_get },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
int network_socket_lua_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", proxy_socket_get },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
int network_clientip_vec_lua_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{"__index", proxy_clientip_get },
{"__len", proxy_clientip_vec_len },
{NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
static int sql_tokenizer_lua_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", proxy_tokenize_get },
{ "__newindex", proxy_tokenize_set },
{ "__len", proxy_tokenize_len },
{ "__gc", proxy_tokenize_gc },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
int network_backends_lua_getmetatable(lua_State *L) {
static const struct luaL_reg methods[] = {
{ "__index", proxy_backends_get },
{ "__newindex", proxy_backends_set },
{ "__len", proxy_backends_len },
{ NULL, NULL },
};
return proxy_getmetatable(L, methods);
}
static int proxy_resultset_lua_push_ref(lua_State *L, GRef *ref) {
GRef **ref_p;
g_ref_ref(ref);
ref_p = lua_newuserdata(L, sizeof(GRef *));
*ref_p = ref;
proxy_getmetatable(L, methods_proxy_resultset);
lua_setmetatable(L, -2);
return 1;
}
static int proxy_resultset_lua_push(lua_State *L, proxy_resultset_t *_res) {
GRef **ref_p;
GRef *ref;
ref = g_ref_new();
g_ref_set(ref, _res, (GDestroyNotify)proxy_resultset_free);
ref_p = lua_newuserdata(L, sizeof(GRef *));
*ref_p = ref;
proxy_getmetatable(L, methods_proxy_resultset);
lua_setmetatable(L, -2);
return 1;
}
/**
* Push a metatable onto the Lua stack containing methods to
* access the resultsets.
*/
void proxy_getinjectionmetatable(lua_State *L) {
proxy_getmetatable(L, methods_proxy_injection);
}
/**
* Push a metatable onto the Lua stack containing methods to
* handle the query injection queue.
*/
void proxy_getqueuemetatable(lua_State *L) {
proxy_getmetatable(L, methods_proxy_queue);
}