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1 | #ifndef BABELTRACE_GRAPH_QUERY_EXECUTOR_H |
2 | #define BABELTRACE_GRAPH_QUERY_EXECUTOR_H | |
3 | ||
4 | /* | |
5 | * BabelTrace - Babeltrace Component Connection Interface | |
6 | * | |
7 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | #include <babeltrace/types.h> | |
29 | ||
30 | #ifdef __cplusplus | |
31 | extern "C" { | |
32 | #endif | |
33 | ||
34 | struct bt_value; | |
35 | struct bt_query_executor; | |
36 | struct bt_component_class; | |
37 | ||
38 | enum bt_query_status { | |
39 | BT_QUERY_STATUS_OK = 0, | |
40 | BT_QUERY_STATUS_AGAIN = 11, | |
41 | BT_QUERY_STATUS_EXECUTOR_CANCELED = 125, | |
42 | BT_QUERY_STATUS_ERROR = -1, | |
43 | BT_QUERY_STATUS_INVALID = -22, | |
44 | BT_QUERY_STATUS_INVALID_OBJECT = -23, | |
45 | BT_QUERY_STATUS_INVALID_PARAMS = -24, | |
46 | BT_QUERY_STATUS_NOMEM = -12, | |
47 | }; | |
48 | ||
49 | extern | |
50 | struct bt_query_executor *bt_query_executor_create(void); | |
51 | ||
52 | extern | |
53 | enum bt_query_status bt_query_executor_query( | |
54 | struct bt_query_executor *query_executor, | |
55 | struct bt_component_class *component_class, | |
56 | const char *object, struct bt_value *params, | |
57 | struct bt_value **result); | |
58 | ||
59 | extern | |
60 | enum bt_query_status bt_query_executor_cancel( | |
61 | struct bt_query_executor *query_executor); | |
62 | ||
63 | extern | |
64 | bt_bool bt_query_executor_is_canceled(struct bt_query_executor *query_executor); | |
65 | ||
66 | #ifdef __cplusplus | |
67 | } | |
68 | #endif | |
69 | ||
70 | #endif /* BABELTRACE_GRAPH_QUERY_EXECUTOR_H */ |