+++ /dev/null
-#ifndef BABELTRACE_GRAPH_MESSAGE_ITERATOR_INTERNAL_H
-#define BABELTRACE_GRAPH_MESSAGE_ITERATOR_INTERNAL_H
-
-/*
- * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
- * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/graph/connection-const.h>
-#include <babeltrace/graph/message-const.h>
-#include <babeltrace/graph/message-iterator-const.h>
-#include <babeltrace/types.h>
-#include <babeltrace/assert-internal.h>
-#include <stdbool.h>
-
-struct bt_port;
-struct bt_graph;
-
-enum bt_message_iterator_type {
- BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT,
- BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT,
-};
-
-enum bt_self_component_port_input_message_iterator_state {
- /* Iterator is not initialized */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED,
-
- /* Iterator is active, not at the end yet, and not finalized */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE,
-
- /*
- * Iterator is ended, not finalized yet: the "next" method
- * returns BT_MESSAGE_ITERATOR_STATUS_END.
- */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED,
-
- /* Iterator is currently being finalized */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING,
-
- /* Iterator is finalized */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED,
-
- /* Iterator is seeking */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING,
-
- /* Iterator did seek, but returned `BT_MESSAGE_ITERATOR_STATUS_AGAIN` */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN,
-
- /* Iterator did seek, but returned error status */
- BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR,
-};
-
-struct bt_message_iterator {
- struct bt_object base;
- enum bt_message_iterator_type type;
- GPtrArray *msgs;
-};
-
-typedef enum bt_self_message_iterator_status
-(*bt_self_component_port_input_message_iterator_next_method)(
- void *, bt_message_array_const, uint64_t, uint64_t *);
-
-typedef enum bt_self_message_iterator_status
-(*bt_self_component_port_input_message_iterator_seek_ns_from_origin_method)(
- void *, int64_t);
-
-typedef enum bt_self_message_iterator_status
-(*bt_self_component_port_input_message_iterator_seek_beginning_method)(
- void *);
-
-typedef bt_bool
-(*bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method)(
- void *, int64_t);
-
-typedef bt_bool
-(*bt_self_component_port_input_message_iterator_can_seek_beginning_method)(
- void *);
-
-struct bt_self_component_port_input_message_iterator {
- struct bt_message_iterator base;
- struct bt_component *upstream_component; /* Weak */
- struct bt_port *upstream_port; /* Weak */
- struct bt_connection *connection; /* Weak */
- struct bt_graph *graph; /* Weak */
-
- struct {
- bt_self_component_port_input_message_iterator_next_method next;
- bt_self_component_port_input_message_iterator_seek_ns_from_origin_method seek_ns_from_origin;
- bt_self_component_port_input_message_iterator_seek_beginning_method seek_beginning;
- bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method can_seek_ns_from_origin;
- bt_self_component_port_input_message_iterator_can_seek_beginning_method can_seek_beginning;
- } methods;
-
- enum bt_self_component_port_input_message_iterator_state state;
- GQueue *auto_seek_msgs;
- void *user_data;
-};
-
-struct bt_port_output_message_iterator {
- struct bt_message_iterator base;
- struct bt_graph *graph; /* Owned by this */
- struct bt_component_sink *colander; /* Owned by this */
-
- /*
- * Only used temporarily as a bridge between a colander sink and
- * the user.
- */
- uint64_t count;
-};
-
-BT_HIDDEN
-void bt_self_component_port_input_message_iterator_try_finalize(
- struct bt_self_component_port_input_message_iterator *iterator);
-
-BT_HIDDEN
-void bt_self_component_port_input_message_iterator_set_connection(
- struct bt_self_component_port_input_message_iterator *iterator,
- struct bt_connection *connection);
-
-static inline
-const char *bt_message_iterator_status_string(
- enum bt_message_iterator_status status)
-{
- switch (status) {
- case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
- return "BT_MESSAGE_ITERATOR_STATUS_AGAIN";
- case BT_MESSAGE_ITERATOR_STATUS_END:
- return "BT_MESSAGE_ITERATOR_STATUS_END";
- case BT_MESSAGE_ITERATOR_STATUS_OK:
- return "BT_MESSAGE_ITERATOR_STATUS_OK";
- case BT_MESSAGE_ITERATOR_STATUS_ERROR:
- return "BT_MESSAGE_ITERATOR_STATUS_ERROR";
- case BT_MESSAGE_ITERATOR_STATUS_NOMEM:
- return "BT_MESSAGE_ITERATOR_STATUS_NOMEM";
- default:
- return "(unknown)";
- }
-};
-
-static inline
-const char *bt_self_component_port_input_message_iterator_state_string(
- enum bt_self_component_port_input_message_iterator_state state)
-{
- switch (state) {
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN";
- case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR";
- default:
- return "(unknown)";
- }
-};
-
-#endif /* BABELTRACE_GRAPH_MESSAGE_ITERATOR_INTERNAL_H */
projects / babeltrace.git / blobdiff