20 lines
482 B
C
20 lines
482 B
C
#ifndef PING_STATS_H
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#define PING_STATS_H
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#include <stdint.h>
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#include <stddef.h>
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struct ping_stats {
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int64_t min_ns;
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int64_t max_ns;
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int64_t sum_ns;
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int64_t sum_sq_ns; /* sum of (rtt_ns / 1000)^2 in us^2, to avoid overflow */
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size_t count;
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};
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void ping_stats_init(struct ping_stats *s);
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void ping_stats_update(struct ping_stats *s, int64_t rtt_ns);
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void ping_stats_get(const struct ping_stats *s, double *min_ms, double *max_ms,
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double *avg_ms, double *mdev_ms);
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#endif
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