sessiond: Move trace_ust_clock to a clock_attributes_sample class

[lttng-tools.git] / src / bin / lttng-sessiond / ust-clock.hpp

diff --git a/src/bin/lttng-sessiond/ust-clock.hpp b/src/bin/lttng-sessiond/ust-clock.hpp
index 3807f40a3127c5348c26d6222ed8abfc81264b55..7b9034173b34ba861680104b3d89c8ba8149262e 100644 (file)
--- a/src/bin/lttng-sessiond/ust-clock.hpp
+++ b/src/bin/lttng-sessiond/ust-clock.hpp
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2010 Pierre-Marc Fournier
  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * SPDX-License-Identifier: GPL-2.0-only
  *
@@ -10,93 +11,36 @@
 #define _UST_CLOCK_H
 
 #include <common/compat/time.hpp>
-#include <sys/time.h>
-#include <stdint.h>
+#include <common/uuid.hpp>
+#include <vendor/optional.hpp>
+
+#include <lttng/ust-clock.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
-#include <urcu/system.h>
+#include <string>
+#include <sys/time.h>
 #include <urcu/arch.h>
-#include <lttng/ust-clock.h>
-
-#include <common/uuid.hpp>
-
-static __inline__
-uint64_t trace_clock_read64(void)
-{
-       uint64_t clock_value = 0;
-       lttng_ust_clock_read64_function read64_cb;
-
-       if (lttng_ust_trace_clock_get_read64_cb(&read64_cb)) {
-               goto end;
-       }
-
-       clock_value = read64_cb();
-end:
-       return clock_value;
-}
-
-static __inline__
-uint64_t trace_clock_freq(void)
-{
-       uint64_t frequency = 0;
-       lttng_ust_clock_freq_function get_freq_cb;
-
-       if (lttng_ust_trace_clock_get_freq_cb(&get_freq_cb)) {
-               goto end;
-       }
-
-       frequency = get_freq_cb();
-end:
-       return frequency;
-}
-
-static __inline__
-int trace_clock_uuid(char *uuid)
-{
-       int ret;
-       lttng_ust_clock_uuid_function get_uuid_cb;
-
-       if (lttng_ust_trace_clock_get_uuid_cb(&get_uuid_cb)) {
-               ret = -EINVAL;
-               goto end;
-       }
-
-       ret = get_uuid_cb(uuid);
-end:
-       return ret;
-
-}
-
-static __inline__
-const char *trace_clock_name(void)
-{
-       const char *name;
-       lttng_ust_clock_name_function get_name_cb;
+#include <urcu/system.h>
 
-       if (lttng_ust_trace_clock_get_name_cb(&get_name_cb)) {
-               name = NULL;
-               goto end;
-       }
+namespace lttng {
+namespace ust {
 
-       name = get_name_cb();
-end:
-       return name;
-}
+class clock_attributes_sample {
+public:
+       using cycles_t = uint64_t;
+       using scycles_t = int64_t;
 
-static __inline__
-const char *trace_clock_description(void)
-{
-       const char *description;
-       lttng_ust_clock_description_function get_description_cb;
+       clock_attributes_sample();
 
-       if (lttng_ust_trace_clock_get_description_cb(&get_description_cb)) {
-               description = NULL;
-               goto end;
-       }
+       const std::string _name;
+       const std::string _description;
+       const nonstd::optional<lttng_uuid> _uuid;
+       const scycles_t _offset;
+       const cycles_t _frequency;
+};
 
-       description = get_description_cb();
-end:
-       return description;
-}
+} /* namespace ust */
+} /* namespace lttng */
 
 #endif /* _UST_CLOCK_H */