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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:09:41 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:09:41 +0000 |
| commit | 3271d1ac389d2ec93db9c5b9ce0991ce478476cf (patch) | |
| tree | 35ff7d180e1ccc061f28535d7435b5ba1789e734 /samplefilt.h | |
| parent | Initial commit. (diff) | |
| download | chrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.tar.xz chrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.zip | |
Adding upstream version 4.3.upstream/4.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'samplefilt.h')
| -rw-r--r-- | samplefilt.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/samplefilt.h b/samplefilt.h new file mode 100644 index 0000000..8d72b85 --- /dev/null +++ b/samplefilt.h @@ -0,0 +1,51 @@ +/* + chronyd/chronyc - Programs for keeping computer clocks accurate. + + ********************************************************************** + * Copyright (C) Miroslav Lichvar 2018 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + ********************************************************************** + + ======================================================================= + + Header file for sample filter. + + */ + +#ifndef GOT_SAMPLEFILT_H +#define GOT_SAMPLEFILT_H + +#include "ntp.h" + +typedef struct SPF_Instance_Record *SPF_Instance; + +extern SPF_Instance SPF_CreateInstance(int min_samples, int max_samples, + double max_dispersion, double combine_ratio); +extern void SPF_DestroyInstance(SPF_Instance filter); + +extern int SPF_AccumulateSample(SPF_Instance filter, NTP_Sample *sample); +extern int SPF_GetLastSample(SPF_Instance filter, NTP_Sample *sample); +extern int SPF_GetNumberOfSamples(SPF_Instance filter); +extern int SPF_GetMaxSamples(SPF_Instance filter); +extern double SPF_GetAvgSampleDispersion(SPF_Instance filter); +extern void SPF_DropSamples(SPF_Instance filter); +extern int SPF_GetFilteredSample(SPF_Instance filter, NTP_Sample *sample); +extern void SPF_SlewSamples(SPF_Instance filter, struct timespec *when, + double dfreq, double doffset); +extern void SPF_CorrectOffset(SPF_Instance filter, double doffset); +extern void SPF_AddDispersion(SPF_Instance filter, double dispersion); + +#endif |