54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */
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#include <time.h>
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#include "lsquic_eng_hist.h"
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#if ENG_HIST_ENABLED
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#define LSQUIC_LOGGER_MODULE LSQLM_ENG_HIST
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#include "lsquic_logger.h"
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static void
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log_hist_slice (const struct hist_slice *slice, time_t t)
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{
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size_t strftime(char *s, size_t max, const char *format,
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const struct tm *tm);
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if (slice->sl_packets_in == 0 &&
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slice->sl_packets_out == 0 &&
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slice->sl_del_mini_conns == 0 &&
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slice->sl_del_full_conns == 0)
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return;
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struct tm tm;
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char timestr[sizeof("12:00:00")];
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localtime_r(&t, &tm);
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strftime(timestr, sizeof(timestr), "%T", &tm);
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LSQ_DEBUG("%s: pi: %u; po: %u; +mc: %u; -mc: %u; +fc: %u; -fc: %u",
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timestr,
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slice->sl_packets_in,
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slice->sl_packets_out,
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slice->sl_new_mini_conns,
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slice->sl_del_mini_conns,
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slice->sl_new_full_conns,
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slice->sl_del_full_conns);
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}
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void
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eng_hist_log (const struct eng_hist *hist)
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{
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unsigned i, idx;
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time_t t0 = time(NULL) - ENG_HIST_NELEMS + 1;
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for (i = 0; i < ENG_HIST_NELEMS; ++i)
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{
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idx = (hist->eh_prev_idx + i + 1) & (ENG_HIST_NELEMS - 1);
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if (i >= ENG_HIST_NELEMS - ENG_HIST_N_TO_PRINT)
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log_hist_slice(&hist->eh_slices[idx], t0 + i);
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}
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}
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#endif
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