babeltrace(1): print value with colors
[babeltrace.git] / lib / trace-handle.c
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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.
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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.
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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>
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35#include <babeltrace/trace-handle.h>
36#include <babeltrace/trace-handle-internal.h>
37
38struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx)
39{
40 struct bt_trace_handle *th;
41
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42 if (!ctx)
43 return NULL;
44
6cba487f 45 th = g_new0(struct bt_trace_handle, 1);
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46 th->id = ctx->last_trace_handle_id++;
47 return th;
48}
49
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50void bt_trace_handle_destroy(struct bt_trace_handle *th)
51{
52 g_free(th);
53}
54
e3d12cf9 55const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id)
842c2b97 56{
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57 struct bt_trace_handle *handle;
58
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59 if (!ctx)
60 return NULL;
61
e3d12cf9 62 handle = g_hash_table_lookup(ctx->trace_handles,
5b44aff2 63 GUINT_TO_POINTER(handle_id));
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64 if (!handle)
65 return NULL;
e3d12cf9 66 return handle->path;
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67}
68
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69int bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
70 int handle_id, enum bt_clock_type type,
71 int64_t *timestamp)
842c2b97 72{
e3d12cf9 73 struct bt_trace_handle *handle;
61cf588b 74 int ret = 0;
e3d12cf9 75
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76 if (!ctx || !timestamp)
77 return -1;
7f89ddce 78
e3d12cf9 79 handle = g_hash_table_lookup(ctx->trace_handles,
5b44aff2 80 GUINT_TO_POINTER(handle_id));
03798a93 81 if (!handle) {
61cf588b 82 ret = -1;
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83 goto end;
84 }
85 if (type == BT_CLOCK_REAL) {
61cf588b 86 *timestamp = handle->real_timestamp_begin;
03798a93 87 } else if (type == BT_CLOCK_CYCLES) {
61cf588b 88 *timestamp = handle->cycles_timestamp_begin;
03798a93 89 } else {
61cf588b 90 ret = -1;
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91 }
92
93end:
94 return ret;
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95}
96
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97int bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
98 int handle_id, enum bt_clock_type type,
99 int64_t *timestamp)
842c2b97 100{
e3d12cf9 101 struct bt_trace_handle *handle;
61cf588b 102 int ret = 0;
e3d12cf9 103
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104 if (!ctx || !timestamp)
105 return -1;
7f89ddce 106
e3d12cf9 107 handle = g_hash_table_lookup(ctx->trace_handles,
5b44aff2 108 GUINT_TO_POINTER(handle_id));
03798a93 109 if (!handle) {
61cf588b 110 ret = -1;
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111 goto end;
112 }
113 if (type == BT_CLOCK_REAL) {
61cf588b 114 *timestamp = handle->real_timestamp_end;
03798a93 115 } else if (type == BT_CLOCK_CYCLES) {
61cf588b 116 *timestamp = handle->cycles_timestamp_end;
03798a93 117 } else {
61cf588b 118 ret = -1;
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119 }
120
121end:
122 return ret;
842c2b97 123}
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