Commit | Line | Data |
---|---|---|
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 | { | |
e6d85e38 | 52 | th->format->close_trace(th->td); |
6cba487f MD |
53 | g_free(th); |
54 | } | |
55 | ||
56 | int bt_trace_handle_get_id(struct bt_trace_handle *th) | |
842c2b97 | 57 | { |
7f89ddce MD |
58 | if (!th) |
59 | return -1; | |
60 | ||
6cba487f | 61 | return th->id; |
842c2b97 JD |
62 | } |
63 | ||
e3d12cf9 | 64 | const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id) |
842c2b97 | 65 | { |
e3d12cf9 JD |
66 | struct bt_trace_handle *handle; |
67 | ||
7f89ddce MD |
68 | if (!ctx) |
69 | return NULL; | |
70 | ||
e3d12cf9 JD |
71 | handle = g_hash_table_lookup(ctx->trace_handles, |
72 | (gpointer) (unsigned long) handle_id); | |
5d95b2db JD |
73 | if (!handle) |
74 | return NULL; | |
e3d12cf9 | 75 | return handle->path; |
842c2b97 JD |
76 | } |
77 | ||
03798a93 JD |
78 | uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, |
79 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 80 | { |
e3d12cf9 | 81 | struct bt_trace_handle *handle; |
03798a93 | 82 | uint64_t ret; |
e3d12cf9 | 83 | |
7f89ddce MD |
84 | if (!ctx) |
85 | return -1ULL; | |
86 | ||
e3d12cf9 JD |
87 | handle = g_hash_table_lookup(ctx->trace_handles, |
88 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
89 | if (!handle) { |
90 | ret = -1ULL; | |
91 | goto end; | |
92 | } | |
93 | if (type == BT_CLOCK_REAL) { | |
94 | ret = handle->real_timestamp_begin; | |
95 | } else if (type == BT_CLOCK_CYCLES) { | |
96 | ret = handle->cycles_timestamp_begin; | |
97 | } else { | |
98 | ret = -1ULL; | |
99 | } | |
100 | ||
101 | end: | |
102 | return ret; | |
842c2b97 JD |
103 | } |
104 | ||
03798a93 JD |
105 | uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, |
106 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 107 | { |
e3d12cf9 | 108 | struct bt_trace_handle *handle; |
03798a93 | 109 | uint64_t ret; |
e3d12cf9 | 110 | |
7f89ddce MD |
111 | if (!ctx) |
112 | return -1ULL; | |
113 | ||
e3d12cf9 JD |
114 | handle = g_hash_table_lookup(ctx->trace_handles, |
115 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
116 | if (!handle) { |
117 | ret = -1ULL; | |
118 | goto end; | |
119 | } | |
120 | if (type == BT_CLOCK_REAL) { | |
121 | ret = handle->real_timestamp_end; | |
122 | } else if (type == BT_CLOCK_CYCLES) { | |
123 | ret = handle->cycles_timestamp_end; | |
124 | } else { | |
125 | ret = -1ULL; | |
126 | } | |
127 | ||
128 | end: | |
129 | return ret; | |
842c2b97 | 130 | } |