babeltrace(1): print value with colors
[babeltrace.git] / lib / trace-handle.c
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.
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
30 #include <stdint.h>
31 #include <stdlib.h>
32 #include <babeltrace/babeltrace.h>
33 #include <babeltrace/context.h>
34 #include <babeltrace/context-internal.h>
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
42 if (!ctx)
43 return NULL;
44
45 th = g_new0(struct bt_trace_handle, 1);
46 th->id = ctx->last_trace_handle_id++;
47 return th;
48 }
49
50 void bt_trace_handle_destroy(struct bt_trace_handle *th)
51 {
52 g_free(th);
53 }
54
55 const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id)
56 {
57 struct bt_trace_handle *handle;
58
59 if (!ctx)
60 return NULL;
61
62 handle = g_hash_table_lookup(ctx->trace_handles,
63 GUINT_TO_POINTER(handle_id));
64 if (!handle)
65 return NULL;
66 return handle->path;
67 }
68
69 int bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
70 int handle_id, enum bt_clock_type type,
71 int64_t *timestamp)
72 {
73 struct bt_trace_handle *handle;
74 int ret = 0;
75
76 if (!ctx || !timestamp)
77 return -1;
78
79 handle = g_hash_table_lookup(ctx->trace_handles,
80 GUINT_TO_POINTER(handle_id));
81 if (!handle) {
82 ret = -1;
83 goto end;
84 }
85 if (type == BT_CLOCK_REAL) {
86 *timestamp = handle->real_timestamp_begin;
87 } else if (type == BT_CLOCK_CYCLES) {
88 *timestamp = handle->cycles_timestamp_begin;
89 } else {
90 ret = -1;
91 }
92
93 end:
94 return ret;
95 }
96
97 int bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
98 int handle_id, enum bt_clock_type type,
99 int64_t *timestamp)
100 {
101 struct bt_trace_handle *handle;
102 int ret = 0;
103
104 if (!ctx || !timestamp)
105 return -1;
106
107 handle = g_hash_table_lookup(ctx->trace_handles,
108 GUINT_TO_POINTER(handle_id));
109 if (!handle) {
110 ret = -1;
111 goto end;
112 }
113 if (type == BT_CLOCK_REAL) {
114 *timestamp = handle->real_timestamp_end;
115 } else if (type == BT_CLOCK_CYCLES) {
116 *timestamp = handle->cycles_timestamp_end;
117 } else {
118 ret = -1;
119 }
120
121 end:
122 return ret;
123 }
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