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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. | |
20 | */ | |
21 | ||
22 | #include <stdint.h> | |
23 | #include <stdlib.h> | |
24 | #include <babeltrace/babeltrace.h> | |
25 | #include <babeltrace/context.h> | |
08c22d05 | 26 | #include <babeltrace/context-internal.h> |
842c2b97 JD |
27 | #include <babeltrace/trace-handle.h> |
28 | #include <babeltrace/trace-handle-internal.h> | |
29 | ||
30 | struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx) | |
31 | { | |
32 | struct bt_trace_handle *th; | |
33 | ||
6cba487f | 34 | th = g_new0(struct bt_trace_handle, 1); |
842c2b97 JD |
35 | th->id = ctx->last_trace_handle_id++; |
36 | return th; | |
37 | } | |
38 | ||
6cba487f MD |
39 | void bt_trace_handle_destroy(struct bt_trace_handle *th) |
40 | { | |
41 | g_free(th); | |
42 | } | |
43 | ||
44 | int bt_trace_handle_get_id(struct bt_trace_handle *th) | |
842c2b97 | 45 | { |
6cba487f | 46 | return th->id; |
842c2b97 JD |
47 | } |
48 | ||
e3d12cf9 | 49 | const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id) |
842c2b97 | 50 | { |
e3d12cf9 JD |
51 | struct bt_trace_handle *handle; |
52 | ||
53 | handle = g_hash_table_lookup(ctx->trace_handles, | |
54 | (gpointer) (unsigned long) handle_id); | |
5d95b2db JD |
55 | if (!handle) |
56 | return NULL; | |
e3d12cf9 | 57 | return handle->path; |
842c2b97 JD |
58 | } |
59 | ||
03798a93 JD |
60 | uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, |
61 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 62 | { |
e3d12cf9 | 63 | struct bt_trace_handle *handle; |
03798a93 | 64 | uint64_t ret; |
e3d12cf9 JD |
65 | |
66 | handle = g_hash_table_lookup(ctx->trace_handles, | |
67 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
68 | if (!handle) { |
69 | ret = -1ULL; | |
70 | goto end; | |
71 | } | |
72 | if (type == BT_CLOCK_REAL) { | |
73 | ret = handle->real_timestamp_begin; | |
74 | } else if (type == BT_CLOCK_CYCLES) { | |
75 | ret = handle->cycles_timestamp_begin; | |
76 | } else { | |
77 | ret = -1ULL; | |
78 | } | |
79 | ||
80 | end: | |
81 | return ret; | |
842c2b97 JD |
82 | } |
83 | ||
03798a93 JD |
84 | uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, |
85 | int handle_id, enum bt_clock_type type) | |
842c2b97 | 86 | { |
e3d12cf9 | 87 | struct bt_trace_handle *handle; |
03798a93 | 88 | uint64_t ret; |
e3d12cf9 JD |
89 | |
90 | handle = g_hash_table_lookup(ctx->trace_handles, | |
91 | (gpointer) (unsigned long) handle_id); | |
03798a93 JD |
92 | if (!handle) { |
93 | ret = -1ULL; | |
94 | goto end; | |
95 | } | |
96 | if (type == BT_CLOCK_REAL) { | |
97 | ret = handle->real_timestamp_end; | |
98 | } else if (type == BT_CLOCK_CYCLES) { | |
99 | ret = handle->cycles_timestamp_end; | |
100 | } else { | |
101 | ret = -1ULL; | |
102 | } | |
103 | ||
104 | end: | |
105 | return ret; | |
842c2b97 | 106 | } |