1 #ifndef BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
2 #define BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H
5 * BabelTrace - Component Graph Internal
7 * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <babeltrace/graph/graph.h>
31 #include <babeltrace/graph/component-status.h>
32 #include <babeltrace/babeltrace-internal.h>
33 #include <babeltrace/object-internal.h>
42 * A component graph contains components and point-to-point connection
43 * between these components.
45 * In terms of ownership:
46 * 1) The graph is the components' parent,
47 * 2) The graph is the connnections' parent,
48 * 3) Components share the ownership of their connections,
49 * 4) A connection holds weak references to its two component endpoints.
51 struct bt_object base
;
53 /* Array of pointers to bt_connection. */
54 GPtrArray
*connections
;
55 /* Array of pointers to bt_component. */
56 GPtrArray
*components
;
57 /* Queue of pointers (weak references) to sink bt_components. */
58 GQueue
*sinks_to_consume
;
65 GArray
*ports_connected
;
66 GArray
*ports_disconnected
;
71 void bt_graph_notify_port_added(struct bt_graph
*graph
, struct bt_port
*port
);
74 void bt_graph_notify_port_removed(struct bt_graph
*graph
,
75 struct bt_component
*comp
, struct bt_port
*port
);
78 void bt_graph_notify_ports_connected(struct bt_graph
*graph
,
79 struct bt_port
*upstream_port
, struct bt_port
*downstream_port
);
82 void bt_graph_notify_ports_disconnected(struct bt_graph
*graph
,
83 struct bt_component
*upstream_comp
,
84 struct bt_component
*downstream_comp
,
85 struct bt_port
*upstream_port
,
86 struct bt_port
*downstream_port
);
89 void bt_graph_remove_connection(struct bt_graph
*graph
,
90 struct bt_connection
*connection
);
93 const char *bt_graph_status_string(enum bt_graph_status status
)
96 case BT_GRAPH_STATUS_CANCELED
:
97 return "BT_GRAPH_STATUS_CANCELED";
98 case BT_GRAPH_STATUS_AGAIN
:
99 return "BT_GRAPH_STATUS_AGAIN";
100 case BT_GRAPH_STATUS_END
:
101 return "BT_GRAPH_STATUS_END";
102 case BT_GRAPH_STATUS_OK
:
103 return "BT_GRAPH_STATUS_OK";
104 case BT_GRAPH_STATUS_INVALID
:
105 return "BT_GRAPH_STATUS_INVALID";
106 case BT_GRAPH_STATUS_NO_SINK
:
107 return "BT_GRAPH_STATUS_NO_SINK";
108 case BT_GRAPH_STATUS_ERROR
:
109 return "BT_GRAPH_STATUS_ERROR";
110 case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION
:
111 return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION";
112 case BT_GRAPH_STATUS_NOMEM
:
113 return "BT_GRAPH_STATUS_NOMEM";
120 enum bt_graph_status
bt_graph_status_from_component_status(
121 enum bt_component_status comp_status
)
123 switch (comp_status
) {
124 case BT_COMPONENT_STATUS_OK
:
125 return BT_GRAPH_STATUS_OK
;
126 case BT_COMPONENT_STATUS_END
:
127 return BT_GRAPH_STATUS_END
;
128 case BT_COMPONENT_STATUS_AGAIN
:
129 return BT_GRAPH_STATUS_AGAIN
;
130 case BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION
:
131 return BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION
;
132 case BT_COMPONENT_STATUS_ERROR
:
133 return BT_GRAPH_STATUS_ERROR
;
134 case BT_COMPONENT_STATUS_UNSUPPORTED
:
135 return BT_GRAPH_STATUS_ERROR
;
136 case BT_COMPONENT_STATUS_INVALID
:
137 return BT_GRAPH_STATUS_INVALID
;
138 case BT_COMPONENT_STATUS_NOMEM
:
139 return BT_GRAPH_STATUS_NOMEM
;
140 case BT_COMPONENT_STATUS_NOT_FOUND
:
141 return BT_GRAPH_STATUS_ERROR
;
144 BT_LOGF("Unknown component status: status=%d", comp_status
);
150 #endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */