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Make use of time source type for throttling logs #183

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Oct 21, 2019
Merged

Make use of time source type for throttling logs #183

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77d0072
Make use of time source type for throttling logs
BMarchi Oct 1, 2019
e1b4344
Change macro parameter name
BMarchi Oct 2, 2019
82f76c1
Change time_source signature and add method to reconstruct feature co…
BMarchi Oct 4, 2019
62ab5e2
Revert changes
BMarchi Oct 4, 2019
bbe16af
Remove extra tab
BMarchi Oct 7, 2019
0815d74
Add link to function in macro
BMarchi Oct 7, 2019
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2 changes: 2 additions & 0 deletions include/rcutils/time.h
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,8 @@ extern "C"
#define RCUTILS_NS_TO_MS(nanoseconds) (nanoseconds / (1000LL * 1000LL))
/// Convenience macro to convert nanoseconds to microseconds.
#define RCUTILS_NS_TO_US(nanoseconds) (nanoseconds / 1000LL)
/// Convenience macro for rcutils_steady_time_now(rcutils_time_point_value_t *).
#define RCUTILS_STEADY_TIME rcutils_steady_time_now
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/// A single point in time, measured in nanoseconds since the Unix epoch.
typedef int64_t rcutils_time_point_value_t;
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5 changes: 3 additions & 2 deletions rcutils/logging.py
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Expand Up @@ -54,11 +54,12 @@
skipfirst_doc_lines = [
'The first log call is being ignored but all subsequent calls are being processed.']
throttle_params = OrderedDict((
('time_source_type', 'The time source type of the time to be used'),
('get_time_point_value', 'Function that returns rcutils_ret_t and expects a '
'rcutils_time_point_value_t pointer.'),
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@BMarchi nit: I wonder if time_source makes more sense than time_source_type. @dirk-thomas thoughts?

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Well, "time source" has a very specific meaning in rclcpp and since this is not the same I would avoid using the same term for it. See my other comment for a suggestion.

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@BMarchi BMarchi Oct 3, 2019 •
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So should I call it then get_time_point_value?

('duration', 'The duration of the throttle interval'),
))
throttle_args = {
'condition_before': 'RCUTILS_LOG_CONDITION_THROTTLE_BEFORE(time_source_type, duration)',
'condition_before': 'RCUTILS_LOG_CONDITION_THROTTLE_BEFORE(get_time_point_value, duration)',
'condition_after': 'RCUTILS_LOG_CONDITION_THROTTLE_AFTER'}
throttle_doc_lines = [
'Log calls are being ignored if the last logged message is not longer ago than the specified '
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4 changes: 2 additions & 2 deletions resource/logging_macros.h.em
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Expand Up @@ -173,12 +173,12 @@ typedef bool (* RclLogFilter)();
* \def RCUTILS_LOG_CONDITION_THROTTLE_BEFORE
* A macro initializing and checking the `throttle` condition.
*/
#define RCUTILS_LOG_CONDITION_THROTTLE_BEFORE(time_source_type, duration) { \
#define RCUTILS_LOG_CONDITION_THROTTLE_BEFORE(get_time_point_value, duration) { \
static rcutils_duration_value_t __rcutils_logging_duration = RCUTILS_MS_TO_NS((rcutils_duration_value_t)duration); \
static rcutils_time_point_value_t __rcutils_logging_last_logged = 0; \
rcutils_time_point_value_t __rcutils_logging_now = 0; \
bool __rcutils_logging_condition = true; \
if (rcutils_steady_time_now(&__rcutils_logging_now) != RCUTILS_RET_OK) { \
if (get_time_point_value(&__rcutils_logging_now) != RCUTILS_RET_OK) { \
rcutils_log( \
&__rcutils_logging_location, RCUTILS_LOG_SEVERITY_ERROR, "", \
"%s() at %s:%d getting current steady time failed\n", \
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