-#ifndef BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
-#define BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
+#ifndef BABELTRACE_GRAPH_GRAPH_INTERNAL_H
+#define BABELTRACE_GRAPH_GRAPH_INTERNAL_H
/*
- * BabelTrace - Component Graph Internal
- *
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * Author: 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
*/
#include <babeltrace/graph/graph.h>
-#include <babeltrace/graph/component-status.h>
+#include <babeltrace/graph/connection-internal.h>
+#include <babeltrace/graph/message-const.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/object-internal.h>
+#include <babeltrace/object-pool-internal.h>
+#include <babeltrace/assert-internal.h>
#include <stdlib.h>
#include <glib.h>
/* Queue of pointers (weak references) to sink bt_components. */
GQueue *sinks_to_consume;
- bt_bool canceled;
+ bool canceled;
+ bool in_remove_listener;
+ bool has_sink;
+
+ /*
+ * If this is false, then the public API's consuming
+ * functions (bt_graph_consume() and bt_graph_run()) return
+ * BT_GRAPH_STATUS_CANNOT_CONSUME. The internal "no check"
+ * functions always work.
+ *
+ * In bt_port_output_message_iterator_create(), on success,
+ * this flag is cleared so that the iterator remains the only
+ * consumer for the graph's lifetime.
+ */
+ bool can_consume;
struct {
- GArray *port_added;
- GArray *port_removed;
- GArray *ports_connected;
- GArray *ports_disconnected;
+ GArray *source_output_port_added;
+ GArray *filter_output_port_added;
+ GArray *filter_input_port_added;
+ GArray *sink_input_port_added;
+ GArray *source_output_port_removed;
+ GArray *filter_output_port_removed;
+ GArray *filter_input_port_removed;
+ GArray *sink_input_port_removed;
+ GArray *source_filter_ports_connected;
+ GArray *source_sink_ports_connected;
+ GArray *filter_sink_ports_connected;
+ GArray *source_filter_ports_disconnected;
+ GArray *source_sink_ports_disconnected;
+ GArray *filter_sink_ports_disconnected;
} listeners;
+
+ /* Pool of `struct bt_message_event *` */
+ struct bt_object_pool event_msg_pool;
+
+ /* Pool of `struct bt_message_packet_beginning *` */
+ struct bt_object_pool packet_begin_msg_pool;
+
+ /* Pool of `struct bt_message_packet_end *` */
+ struct bt_object_pool packet_end_msg_pool;
+
+ /*
+ * Array of `struct bt_message *` (weak).
+ *
+ * This is an array of all the messages ever created from
+ * this graph. Some of them can be in one of the pools above,
+ * some of them can be at large. Because each message has a
+ * weak pointer to the graph containing its pool, we need to
+ * notify each message that the graph is gone on graph
+ * destruction.
+ *
+ * TODO: When we support a maximum size for object pools,
+ * add a way for a message to remove itself from this
+ * array (on destruction).
+ */
+ GPtrArray *messages;
};
+static inline
+void _bt_graph_set_can_consume(struct bt_graph *graph, bool can_consume)
+{
+ BT_ASSERT(graph);
+ graph->can_consume = can_consume;
+}
+
+#ifdef BT_DEV_MODE
+# define bt_graph_set_can_consume _bt_graph_set_can_consume
+#else
+# define bt_graph_set_can_consume(_graph, _can_consume)
+#endif
+
+BT_HIDDEN
+enum bt_graph_status bt_graph_consume_sink_no_check(struct bt_graph *graph,
+ struct bt_component_sink *sink);
+
BT_HIDDEN
void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port);
void bt_graph_remove_connection(struct bt_graph *graph,
struct bt_connection *connection);
+/*
+ * This only works with a component which is not connected at this
+ * point.
+ *
+ * Also the reference count of `component` should be 0 when you call
+ * this function, which means only `graph` owns the component, so it
+ * is safe to destroy.
+ */
+BT_HIDDEN
+int bt_graph_remove_unconnected_component(struct bt_graph *graph,
+ struct bt_component *component);
+
+BT_HIDDEN
+void bt_graph_add_message(struct bt_graph *graph,
+ struct bt_message *msg);
+
static inline
const char *bt_graph_status_string(enum bt_graph_status status)
{
return "BT_GRAPH_STATUS_END";
case BT_GRAPH_STATUS_OK:
return "BT_GRAPH_STATUS_OK";
- case BT_GRAPH_STATUS_INVALID:
- return "BT_GRAPH_STATUS_INVALID";
case BT_GRAPH_STATUS_NO_SINK:
return "BT_GRAPH_STATUS_NO_SINK";
case BT_GRAPH_STATUS_ERROR:
}
}
-static inline
-enum bt_graph_status bt_graph_status_from_component_status(
- enum bt_component_status comp_status)
-{
- switch (comp_status) {
- case BT_COMPONENT_STATUS_OK:
- return BT_GRAPH_STATUS_OK;
- case BT_COMPONENT_STATUS_END:
- return BT_GRAPH_STATUS_END;
- case BT_COMPONENT_STATUS_AGAIN:
- return BT_GRAPH_STATUS_AGAIN;
- case BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION:
- return BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION;
- case BT_COMPONENT_STATUS_ERROR:
- return BT_GRAPH_STATUS_ERROR;
- case BT_COMPONENT_STATUS_UNSUPPORTED:
- return BT_GRAPH_STATUS_ERROR;
- case BT_COMPONENT_STATUS_INVALID:
- return BT_GRAPH_STATUS_INVALID;
- case BT_COMPONENT_STATUS_NOMEM:
- return BT_GRAPH_STATUS_NOMEM;
- case BT_COMPONENT_STATUS_NOT_FOUND:
- return BT_GRAPH_STATUS_ERROR;
- default:
-#ifdef BT_LOGF
- BT_LOGF("Unknown component status: status=%d", comp_status);
-#endif
- abort();
- }
-}
-
-#endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */
+#endif /* BABELTRACE_GRAPH_GRAPH_INTERNAL_H */
projects / babeltrace.git / blobdiff