+++ /dev/null
-/*
- * clock.c
- *
- * Babeltrace CTF Writer
- *
- * Copyright 2013 EfficiOS Inc.
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/ctf-writer/clock.h>
-#include <babeltrace/ctf-ir/clock-internal.h>
-#include <babeltrace/ctf-writer/writer-internal.h>
-#include <babeltrace/compiler.h>
-#include <inttypes.h>
-
-static
-void bt_ctf_clock_destroy(struct bt_ctf_ref *ref);
-
-struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
-{
- struct bt_ctf_clock *clock = NULL;
-
- if (validate_identifier(name)) {
- goto error;
- }
-
- clock = g_new0(struct bt_ctf_clock, 1);
- if (!clock) {
- goto error;
- }
-
- clock->name = g_string_new(name);
- if (!clock->name) {
- goto error_destroy;
- }
-
- clock->description = g_string_new(NULL);
- if (!clock->description) {
- goto error_destroy;
- }
-
- clock->precision = 1;
- clock->frequency = 1000000000;
- uuid_generate(clock->uuid);
- bt_ctf_ref_init(&clock->ref_count);
- return clock;
-error_destroy:
- bt_ctf_clock_destroy(&clock->ref_count);
-error:
- clock = NULL;
- return clock;
-}
-
-int bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc)
-{
- int ret = 0;
-
- if (!clock || !desc || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->description = g_string_assign(clock->description, desc);
- ret = clock->description ? 0 : -1;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq)
-{
- int ret = 0;
-
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->frequency = freq;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision)
-{
- int ret = 0;
-
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->precision = precision;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, uint64_t offset_s)
-{
- int ret = 0;
-
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->offset_s = offset_s;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, uint64_t offset)
-{
- int ret = 0;
-
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->offset = offset;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
-{
- int ret = 0;
-
- if (!clock || clock->frozen) {
- ret = -1;
- goto end;
- }
-
- clock->absolute = !!is_absolute;
-end:
- return ret;
-}
-
-int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time)
-{
- int ret = 0;
-
- /* Timestamps are strictly monotonic */
- if (!clock || time < clock->time) {
- ret = -1;
- goto end;
- }
-
- clock->time = time;
-end:
- return ret;
-}
-
-void bt_ctf_clock_get(struct bt_ctf_clock *clock)
-{
- if (!clock) {
- return;
- }
-
- bt_ctf_ref_get(&clock->ref_count);
-}
-
-void bt_ctf_clock_put(struct bt_ctf_clock *clock)
-{
- if (!clock) {
- return;
- }
-
- bt_ctf_ref_put(&clock->ref_count, bt_ctf_clock_destroy);
-}
-
-BT_HIDDEN
-void bt_ctf_clock_freeze(struct bt_ctf_clock *clock)
-{
- if (!clock) {
- return;
- }
-
- clock->frozen = 1;
-}
-
-BT_HIDDEN
-void bt_ctf_clock_serialize(struct bt_ctf_clock *clock,
- struct metadata_context *context)
-{
- unsigned char *uuid;
-
- if (!clock || !context) {
- return;
- }
-
- uuid = clock->uuid;
- g_string_append(context->string, "clock {\n");
- g_string_append_printf(context->string, "\tname = %s;\n",
- clock->name->str);
- g_string_append_printf(context->string,
- "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
- uuid[0], uuid[1], uuid[2], uuid[3],
- uuid[4], uuid[5], uuid[6], uuid[7],
- uuid[8], uuid[9], uuid[10], uuid[11],
- uuid[12], uuid[13], uuid[14], uuid[15]);
- if (clock->description->len) {
- g_string_append_printf(context->string, "\tdescription = \"%s\";\n",
- clock->description->str);
- }
-
- g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n",
- clock->frequency);
- g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n",
- clock->precision);
- g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n",
- clock->offset_s);
- g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n",
- clock->offset);
- g_string_append_printf(context->string, "\tabsolute = %s;\n",
- clock->absolute ? "TRUE" : "FALSE");
- g_string_append(context->string, "};\n\n");
-}
-
-BT_HIDDEN
-uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock *clock)
-{
- return clock ? clock->time : 0;
-}
-
-static
-void bt_ctf_clock_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_ctf_clock *clock;
-
- if (!ref) {
- return;
- }
-
- clock = container_of(ref, struct bt_ctf_clock, ref_count);
- if (clock->name) {
- g_string_free(clock->name, TRUE);
- }
-
- if (clock->description) {
- g_string_free(clock->description, TRUE);
- }
-
- g_free(clock);
-}
projects / babeltrace.git / blobdiff