Commit | Line | Data |
---|---|---|
33b34c43 PP |
1 | #ifndef BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H |
2 | #define BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H | |
c0418dd9 JG |
3 | |
4 | /* | |
5 | * BabelTrace - Component Graph Internal | |
6 | * | |
f60c8b34 | 7 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
c0418dd9 JG |
8 | * |
9 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
10 | * | |
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: | |
17 | * | |
18 | * The above copyright notice and this permission notice shall be included in | |
19 | * all copies or substantial portions of the Software. | |
20 | * | |
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 | |
27 | * SOFTWARE. | |
28 | */ | |
29 | ||
b2e0c907 | 30 | #include <babeltrace/graph/graph.h> |
a256a42d | 31 | #include <babeltrace/graph/component-status.h> |
c0418dd9 JG |
32 | #include <babeltrace/babeltrace-internal.h> |
33 | #include <babeltrace/object-internal.h> | |
a256a42d | 34 | #include <stdlib.h> |
c0418dd9 JG |
35 | #include <glib.h> |
36 | ||
1bf957a0 PP |
37 | struct bt_component; |
38 | struct bt_port; | |
39 | ||
f60c8b34 JG |
40 | struct bt_graph { |
41 | /** | |
42 | * A component graph contains components and point-to-point connection | |
43 | * between these components. | |
c0418dd9 | 44 | * |
f60c8b34 JG |
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. | |
c0418dd9 | 50 | */ |
f60c8b34 JG |
51 | struct bt_object base; |
52 | ||
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; | |
1bf957a0 | 59 | |
202a3a13 PP |
60 | bt_bool canceled; |
61 | ||
1bf957a0 PP |
62 | struct { |
63 | GArray *port_added; | |
64 | GArray *port_removed; | |
f345f8bb PP |
65 | GArray *ports_connected; |
66 | GArray *ports_disconnected; | |
1bf957a0 | 67 | } listeners; |
c0418dd9 JG |
68 | }; |
69 | ||
1bf957a0 PP |
70 | BT_HIDDEN |
71 | void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port); | |
72 | ||
73 | BT_HIDDEN | |
74 | void bt_graph_notify_port_removed(struct bt_graph *graph, | |
75 | struct bt_component *comp, struct bt_port *port); | |
76 | ||
77 | BT_HIDDEN | |
f345f8bb PP |
78 | void bt_graph_notify_ports_connected(struct bt_graph *graph, |
79 | struct bt_port *upstream_port, struct bt_port *downstream_port); | |
1bf957a0 PP |
80 | |
81 | BT_HIDDEN | |
f345f8bb PP |
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); | |
1bf957a0 | 87 | |
f167d3c0 PP |
88 | BT_HIDDEN |
89 | void bt_graph_remove_connection(struct bt_graph *graph, | |
90 | struct bt_connection *connection); | |
91 | ||
262e5473 PP |
92 | static inline |
93 | const char *bt_graph_status_string(enum bt_graph_status status) | |
94 | { | |
95 | switch (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_ALREADY_IN_A_GRAPH: | |
105 | return "BT_GRAPH_STATUS_ALREADY_IN_A_GRAPH"; | |
106 | case BT_GRAPH_STATUS_INVALID: | |
107 | return "BT_GRAPH_STATUS_INVALID"; | |
108 | case BT_GRAPH_STATUS_NO_SINK: | |
109 | return "BT_GRAPH_STATUS_NO_SINK"; | |
110 | case BT_GRAPH_STATUS_ERROR: | |
111 | return "BT_GRAPH_STATUS_ERROR"; | |
a256a42d PP |
112 | case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION: |
113 | return "BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION"; | |
114 | case BT_GRAPH_STATUS_NOMEM: | |
115 | return "BT_GRAPH_STATUS_NOMEM"; | |
262e5473 PP |
116 | default: |
117 | return "(unknown)"; | |
118 | } | |
119 | } | |
120 | ||
a256a42d PP |
121 | static inline |
122 | enum bt_graph_status bt_graph_status_from_component_status( | |
123 | enum bt_component_status comp_status) | |
124 | { | |
125 | switch (comp_status) { | |
126 | case BT_COMPONENT_STATUS_OK: | |
127 | return BT_GRAPH_STATUS_OK; | |
128 | case BT_COMPONENT_STATUS_END: | |
129 | return BT_GRAPH_STATUS_END; | |
130 | case BT_COMPONENT_STATUS_AGAIN: | |
131 | return BT_GRAPH_STATUS_AGAIN; | |
132 | case BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION: | |
133 | return BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION; | |
134 | case BT_COMPONENT_STATUS_ERROR: | |
135 | return BT_GRAPH_STATUS_ERROR; | |
136 | case BT_COMPONENT_STATUS_UNSUPPORTED: | |
137 | return BT_GRAPH_STATUS_ERROR; | |
138 | case BT_COMPONENT_STATUS_INVALID: | |
139 | return BT_GRAPH_STATUS_INVALID; | |
140 | case BT_COMPONENT_STATUS_NOMEM: | |
141 | return BT_GRAPH_STATUS_NOMEM; | |
142 | case BT_COMPONENT_STATUS_NOT_FOUND: | |
143 | return BT_GRAPH_STATUS_ERROR; | |
144 | default: | |
145 | #ifdef BT_LOGF | |
146 | BT_LOGF("Unknown component status: status=%d", comp_status); | |
147 | #endif | |
148 | abort(); | |
149 | } | |
150 | } | |
151 | ||
33b34c43 | 152 | #endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */ |