doc/api/libbabeltrace2/DoxygenLayout.xml: use `topics` tab
[babeltrace.git] / src / lib / trace-ir / clock-class.c
index 8a3640bcac56fc8592ced72f615782b33c9c0cc0..886501ec3b0944888cdea1ea5ce769bd965cf312 100644 (file)
@@ -1,30 +1,14 @@
 /*
+ * SPDX-License-Identifier: MIT
+ *
  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright 2013, 2014 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.
  */
 
 #define BT_LOG_TAG "LIB/CLOCK-CLASS"
 #include "lib/logging.h"
 
-#include "lib/assert-pre.h"
+#include "lib/assert-cond.h"
 #include "common/uuid.h"
 #include <babeltrace2/trace-ir/clock-class.h>
 #include "clock-class.h"
@@ -32,7 +16,6 @@
 #include "utils.h"
 #include "compat/compiler.h"
 #include <babeltrace2/types.h>
-#include "compat/string.h"
 #include <inttypes.h>
 #include <stdbool.h>
 #include "lib/object.h"
@@ -40,8 +23,9 @@
 #include "lib/func-status.h"
 #include "lib/value.h"
 
-#define BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(_cc) \
-       BT_ASSERT_PRE_DEV_HOT((_cc), "Clock class", ": %!+K", (_cc))
+#define BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(_cc)                         \
+       BT_ASSERT_PRE_DEV_HOT("clock-class", (_cc), "Clock class",      \
+               ": %!+K", (_cc))
 
 static
 void destroy_clock_class(struct bt_object *obj)
@@ -51,25 +35,15 @@ void destroy_clock_class(struct bt_object *obj)
        BT_LIB_LOGD("Destroying clock class: %!+K", clock_class);
        BT_OBJECT_PUT_REF_AND_RESET(clock_class->user_attributes);
 
-       if (clock_class->name.str) {
-               g_string_free(clock_class->name.str, TRUE);
-               clock_class->name.str = NULL;
-               clock_class->name.value = NULL;
-       }
-
-       if (clock_class->description.str) {
-               g_string_free(clock_class->description.str, TRUE);
-               clock_class->description.str = NULL;
-               clock_class->description.value = NULL;
-       }
-
+       g_free(clock_class->name);
+       g_free(clock_class->description);
        bt_object_pool_finalize(&clock_class->cs_pool);
        g_free(clock_class);
 }
 
 static
 void free_clock_snapshot(struct bt_clock_snapshot *clock_snapshot,
-               struct bt_clock_class *clock_class)
+               struct bt_clock_class *clock_class __attribute__((unused)))
 {
        bt_clock_snapshot_destroy(clock_snapshot);
 }
@@ -82,13 +56,14 @@ void set_base_offset(struct bt_clock_class *clock_class)
                clock_class->frequency, &clock_class->base_offset.value_ns);
 }
 
+BT_EXPORT
 struct bt_clock_class *bt_clock_class_create(bt_self_component *self_comp)
 {
        int ret;
        struct bt_clock_class *clock_class = NULL;
 
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(self_comp, "Self component");
+       BT_ASSERT_PRE_COMP_NON_NULL(self_comp);
        BT_LOGD_STR("Creating default clock class object");
 
        clock_class = g_new0(struct bt_clock_class, 1);
@@ -106,18 +81,6 @@ struct bt_clock_class *bt_clock_class_create(bt_self_component *self_comp)
                goto error;
        }
 
-       clock_class->name.str = g_string_new(NULL);
-       if (!clock_class->name.str) {
-               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString.");
-               goto error;
-       }
-
-       clock_class->description.str = g_string_new(NULL);
-       if (!clock_class->description.str) {
-               BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString.");
-               goto error;
-       }
-
        clock_class->frequency = UINT64_C(1000000000);
        clock_class->origin_is_unix_epoch = BT_TRUE;
        set_base_offset(clock_class);
@@ -143,61 +106,69 @@ end:
        return clock_class;
 }
 
+BT_EXPORT
 const char *bt_clock_class_get_name(const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
-       return clock_class->name.value;
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
+       return clock_class->name;
 }
 
+BT_EXPORT
 enum bt_clock_class_set_name_status bt_clock_class_set_name(
                struct bt_clock_class *clock_class, const char *name)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_NON_NULL(name, "Name");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_NAME_NON_NULL(name);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
-       g_string_assign(clock_class->name.str, name);
-       clock_class->name.value = clock_class->name.str->str;
+       g_free(clock_class->name);
+       clock_class->name = g_strdup(name);
        BT_LIB_LOGD("Set clock class's name: %!+K", clock_class);
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 const char *bt_clock_class_get_description(
                const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
-       return clock_class->description.value;
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
+       return clock_class->description;
 }
 
+BT_EXPORT
 enum bt_clock_class_set_description_status bt_clock_class_set_description(
                struct bt_clock_class *clock_class, const char *descr)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_NON_NULL(descr, "Description");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_DESCR_NON_NULL(descr);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
-       g_string_assign(clock_class->description.str, descr);
-       clock_class->description.value = clock_class->description.str->str;
+       g_free(clock_class->description);
+       clock_class->description = g_strdup(descr);
        BT_LIB_LOGD("Set clock class's description: %!+K",
                clock_class);
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 uint64_t bt_clock_class_get_frequency(const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
        return clock_class->frequency;
 }
 
+BT_EXPORT
 void bt_clock_class_set_frequency(struct bt_clock_class *clock_class,
                uint64_t frequency)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
-       BT_ASSERT_PRE(frequency != UINT64_C(-1) && frequency != 0,
+       BT_ASSERT_PRE("valid-frequency",
+               frequency != UINT64_C(-1) && frequency != 0,
                "Invalid frequency: %![cc-]+K, new-freq=%" PRIu64,
                clock_class, frequency);
-       BT_ASSERT_PRE(clock_class->offset_cycles < frequency,
+       BT_ASSERT_PRE("offset-cycles-lt-frequency",
+               clock_class->offset_cycles < frequency,
                "Offset (cycles) is greater than clock class's frequency: "
                "%![cc-]+K, new-freq=%" PRIu64, clock_class, frequency);
        clock_class->frequency = frequency;
@@ -205,40 +176,46 @@ void bt_clock_class_set_frequency(struct bt_clock_class *clock_class,
        BT_LIB_LOGD("Set clock class's frequency: %!+K", clock_class);
 }
 
+BT_EXPORT
 uint64_t bt_clock_class_get_precision(const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
        return clock_class->precision;
 }
 
+BT_EXPORT
 void bt_clock_class_set_precision(struct bt_clock_class *clock_class,
                uint64_t precision)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
-       BT_ASSERT_PRE(precision != UINT64_C(-1),
+       BT_ASSERT_PRE("valid-precision", precision != UINT64_C(-1),
                "Invalid precision: %![cc-]+K, new-precision=%" PRIu64,
                clock_class, precision);
        clock_class->precision = precision;
        BT_LIB_LOGD("Set clock class's precision: %!+K", clock_class);
 }
 
+BT_EXPORT
 void bt_clock_class_get_offset(const struct bt_clock_class *clock_class,
                int64_t *seconds, uint64_t *cycles)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_DEV_NON_NULL(seconds, "Seconds (output)");
-       BT_ASSERT_PRE_DEV_NON_NULL(cycles, "Cycles (output)");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_DEV_NON_NULL("seconds-output", seconds,
+               "Seconds (output)");
+       BT_ASSERT_PRE_DEV_NON_NULL("cycles-output", cycles, "Cycles (output)");
        *seconds = clock_class->offset_seconds;
        *cycles = clock_class->offset_cycles;
 }
 
+BT_EXPORT
 void bt_clock_class_set_offset(struct bt_clock_class *clock_class,
                int64_t seconds, uint64_t cycles)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
-       BT_ASSERT_PRE(cycles < clock_class->frequency,
+       BT_ASSERT_PRE("offset-cycles-lt-frequency",
+               cycles < clock_class->frequency,
                "Offset (cycles) is greater than clock class's frequency: "
                "%![cc-]+K, new-offset-cycles=%" PRIu64, clock_class, cycles);
        clock_class->offset_seconds = seconds;
@@ -247,40 +224,43 @@ void bt_clock_class_set_offset(struct bt_clock_class *clock_class,
        BT_LIB_LOGD("Set clock class's offset: %!+K", clock_class);
 }
 
+BT_EXPORT
 bt_bool bt_clock_class_origin_is_unix_epoch(const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
        return (bool) clock_class->origin_is_unix_epoch;
 }
 
+BT_EXPORT
 void bt_clock_class_set_origin_is_unix_epoch(struct bt_clock_class *clock_class,
                bt_bool origin_is_unix_epoch)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
        clock_class->origin_is_unix_epoch = (bool) origin_is_unix_epoch;
        BT_LIB_LOGD("Set clock class's origin is Unix epoch property: %!+K",
                clock_class);
 }
 
+BT_EXPORT
 bt_uuid bt_clock_class_get_uuid(const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
        return clock_class->uuid.value;
 }
 
+BT_EXPORT
 void bt_clock_class_set_uuid(struct bt_clock_class *clock_class,
                bt_uuid uuid)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_NON_NULL(uuid, "UUID");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_UUID_NON_NULL(uuid);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
        bt_uuid_copy(clock_class->uuid.uuid, uuid);
        clock_class->uuid.value = clock_class->uuid.uuid;
        BT_LIB_LOGD("Set clock class's UUID: %!+K", clock_class);
 }
 
-BT_HIDDEN
 void _bt_clock_class_freeze(const struct bt_clock_class *clock_class)
 {
        BT_ASSERT(clock_class);
@@ -296,6 +276,7 @@ void _bt_clock_class_freeze(const struct bt_clock_class *clock_class)
        ((struct bt_clock_class *) clock_class)->frozen = 1;
 }
 
+BT_EXPORT
 enum bt_clock_class_cycles_to_ns_from_origin_status
 bt_clock_class_cycles_to_ns_from_origin(
                const struct bt_clock_class *clock_class,
@@ -304,8 +285,9 @@ bt_clock_class_cycles_to_ns_from_origin(
        int ret;
 
        BT_ASSERT_PRE_DEV_NO_ERROR();
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_DEV_NON_NULL(ns, "Nanoseconds (output)");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_DEV_NON_NULL("nanoseconds-output", ns,
+               "Nanoseconds (output)");
        ret = bt_util_ns_from_origin_clock_class(clock_class, cycles, ns);
        if (ret) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot convert cycles to nanoseconds "
@@ -319,13 +301,15 @@ bt_clock_class_cycles_to_ns_from_origin(
        return ret;
 }
 
+BT_EXPORT
 const struct bt_value *bt_clock_class_borrow_user_attributes_const(
                const struct bt_clock_class *clock_class)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(clock_class, "Clock class");
+       BT_ASSERT_PRE_DEV_CLK_CLS_NON_NULL(clock_class);
        return clock_class->user_attributes;
 }
 
+BT_EXPORT
 struct bt_value *bt_clock_class_borrow_user_attributes(
                struct bt_clock_class *clock_class)
 {
@@ -333,25 +317,27 @@ struct bt_value *bt_clock_class_borrow_user_attributes(
                (void *) clock_class);
 }
 
+BT_EXPORT
 void bt_clock_class_set_user_attributes(
                struct bt_clock_class *clock_class,
                const struct bt_value *user_attributes)
 {
-       BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
-       BT_ASSERT_PRE_NON_NULL(user_attributes, "User attributes");
-       BT_ASSERT_PRE(user_attributes->type == BT_VALUE_TYPE_MAP,
-               "User attributes object is not a map value object.");
+       BT_ASSERT_PRE_CLK_CLS_NON_NULL(clock_class);
+       BT_ASSERT_PRE_USER_ATTRS_NON_NULL(user_attributes);
+       BT_ASSERT_PRE_USER_ATTRS_IS_MAP(user_attributes);
        BT_ASSERT_PRE_DEV_CLOCK_CLASS_HOT(clock_class);
        bt_object_put_ref_no_null_check(clock_class->user_attributes);
        clock_class->user_attributes = (void *) user_attributes;
        bt_object_get_ref_no_null_check(clock_class->user_attributes);
 }
 
+BT_EXPORT
 void bt_clock_class_get_ref(const struct bt_clock_class *clock_class)
 {
        bt_object_get_ref(clock_class);
 }
 
+BT_EXPORT
 void bt_clock_class_put_ref(const struct bt_clock_class *clock_class)
 {
        bt_object_put_ref(clock_class);
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