Commit | Line | Data |
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842c2b97 JD |
1 | /* |
2 | * trace_handle.c | |
3 | * | |
4 | * Babeltrace Library | |
5 | * | |
6 | * Copyright 2012 EfficiOS Inc. and Linux Foundation | |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
9 | * Julien Desfossez <julien.desfossez@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. | |
c462e188 MD |
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. | |
842c2b97 JD |
28 | */ |
29 | ||
30 | #include <stdint.h> | |
31 | #include <stdlib.h> | |
32 | #include <babeltrace/babeltrace.h> | |
33 | #include <babeltrace/context.h> | |
08c22d05 | 34 | #include <babeltrace/context-internal.h> |
842c2b97 JD |
35 | #include <babeltrace/trace-handle.h> |
36 | #include <babeltrace/trace-handle-internal.h> | |
37 | ||
38 | struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx) | |
39 | { | |
40 | struct bt_trace_handle *th; | |
41 | ||
7f89ddce MD |
42 | if (!ctx) |
43 | return NULL; | |
44 | ||
6cba487f | 45 | th = g_new0(struct bt_trace_handle, 1); |
842c2b97 JD |
46 | th->id = ctx->last_trace_handle_id++; |
47 | return th; | |
48 | } | |
49 | ||
6cba487f MD |
50 | void bt_trace_handle_destroy(struct bt_trace_handle *th) |
51 | { | |
52 | g_free(th); | |
53 | } | |
54 | ||
55 | int bt_trace_handle_get_id(struct bt_trace_handle *th) | |
842c2b97 | 56 | { |
7f89ddce MD |
57 | if (!th) |
58 | return -1; | |
59 | ||
6cba487f | 60 | return th->id; |
842c2b97 JD |
61 | } |
62 | ||
e3d12cf9 | 63 | const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id) |
842c2b97 | 64 | { |
e3d12cf9 JD |
65 | struct bt_trace_handle *handle; |
66 | ||
7f89ddce MD |
67 | if (!ctx) |
68 | return NULL; | |
69 | ||
e3d12cf9 JD |
70 | handle = g_hash_table_lookup(ctx->trace_handles, |
71 | (gpointer) (unsigned long) handle_id); | |
5d95b2db JD |
72 | if (!handle) |
73 | return NULL; | |
e3d12cf9 | 74 | return handle->path; |
842c2b97 JD |
75 | } |
76 | ||
03798a93 JD |
77 | uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, |
78 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 79 | { |
e3d12cf9 | 80 | struct bt_trace_handle *handle; |
03798a93 | 81 | uint64_t ret; |
e3d12cf9 | 82 | |
7f89ddce MD |
83 | if (!ctx) |
84 | return -1ULL; | |
85 | ||
e3d12cf9 JD |
86 | handle = g_hash_table_lookup(ctx->trace_handles, |
87 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
88 | if (!handle) { |
89 | ret = -1ULL; | |
90 | goto end; | |
91 | } | |
92 | if (type == BT_CLOCK_REAL) { | |
93 | ret = handle->real_timestamp_begin; | |
94 | } else if (type == BT_CLOCK_CYCLES) { | |
95 | ret = handle->cycles_timestamp_begin; | |
96 | } else { | |
97 | ret = -1ULL; | |
98 | } | |
99 | ||
100 | end: | |
101 | return ret; | |
842c2b97 JD |
102 | } |
103 | ||
03798a93 JD |
104 | uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, |
105 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 106 | { |
e3d12cf9 | 107 | struct bt_trace_handle *handle; |
03798a93 | 108 | uint64_t ret; |
e3d12cf9 | 109 | |
7f89ddce MD |
110 | if (!ctx) |
111 | return -1ULL; | |
112 | ||
e3d12cf9 JD |
113 | handle = g_hash_table_lookup(ctx->trace_handles, |
114 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
115 | if (!handle) { |
116 | ret = -1ULL; | |
117 | goto end; | |
118 | } | |
119 | if (type == BT_CLOCK_REAL) { | |
120 | ret = handle->real_timestamp_end; | |
121 | } else if (type == BT_CLOCK_CYCLES) { | |
122 | ret = handle->cycles_timestamp_end; | |
123 | } else { | |
124 | ret = -1ULL; | |
125 | } | |
126 | ||
127 | end: | |
128 | return ret; | |
842c2b97 | 129 | } |