lsquic_eng_hist.c revision 50aadb33
150aadb33SDmitri Tikhonov/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */ 250aadb33SDmitri Tikhonov#include <time.h> 350aadb33SDmitri Tikhonov 450aadb33SDmitri Tikhonov#include "lsquic_eng_hist.h" 550aadb33SDmitri Tikhonov 650aadb33SDmitri Tikhonov#if ENG_HIST_ENABLED 750aadb33SDmitri Tikhonov 850aadb33SDmitri Tikhonov#define LSQUIC_LOGGER_MODULE LSQLM_ENG_HIST 950aadb33SDmitri Tikhonov#include "lsquic_logger.h" 1050aadb33SDmitri Tikhonov 1150aadb33SDmitri Tikhonov 1250aadb33SDmitri Tikhonovstatic void 1350aadb33SDmitri Tikhonovlog_hist_slice (const struct hist_slice *slice, time_t t) 1450aadb33SDmitri Tikhonov{ 1550aadb33SDmitri Tikhonov size_t strftime(char *s, size_t max, const char *format, 1650aadb33SDmitri Tikhonov const struct tm *tm); 1750aadb33SDmitri Tikhonov if (slice->sl_packets_in == 0 && 1850aadb33SDmitri Tikhonov slice->sl_packets_out == 0 && 1950aadb33SDmitri Tikhonov slice->sl_del_mini_conns == 0 && 2050aadb33SDmitri Tikhonov slice->sl_del_full_conns == 0) 2150aadb33SDmitri Tikhonov return; 2250aadb33SDmitri Tikhonov 2350aadb33SDmitri Tikhonov struct tm tm; 2450aadb33SDmitri Tikhonov char timestr[sizeof("12:00:00")]; 2550aadb33SDmitri Tikhonov 2650aadb33SDmitri Tikhonov localtime_r(&t, &tm); 2750aadb33SDmitri Tikhonov strftime(timestr, sizeof(timestr), "%T", &tm); 2850aadb33SDmitri Tikhonov 2950aadb33SDmitri Tikhonov LSQ_DEBUG("%s: pi: %u; po: %u; +mc: %u; -mc: %u; +fc: %u; -fc: %u", 3050aadb33SDmitri Tikhonov timestr, 3150aadb33SDmitri Tikhonov slice->sl_packets_in, 3250aadb33SDmitri Tikhonov slice->sl_packets_out, 3350aadb33SDmitri Tikhonov slice->sl_new_mini_conns, 3450aadb33SDmitri Tikhonov slice->sl_del_mini_conns, 3550aadb33SDmitri Tikhonov slice->sl_new_full_conns, 3650aadb33SDmitri Tikhonov slice->sl_del_full_conns); 3750aadb33SDmitri Tikhonov} 3850aadb33SDmitri Tikhonov 3950aadb33SDmitri Tikhonov 4050aadb33SDmitri Tikhonovvoid 4150aadb33SDmitri Tikhonoveng_hist_log (const struct eng_hist *hist) 4250aadb33SDmitri Tikhonov{ 4350aadb33SDmitri Tikhonov unsigned i, idx; 4450aadb33SDmitri Tikhonov time_t t0 = time(NULL) - ENG_HIST_NELEMS + 1; 4550aadb33SDmitri Tikhonov for (i = 0; i < ENG_HIST_NELEMS; ++i) 4650aadb33SDmitri Tikhonov { 4750aadb33SDmitri Tikhonov idx = (hist->eh_prev_idx + i + 1) & (ENG_HIST_NELEMS - 1); 4850aadb33SDmitri Tikhonov if (i >= ENG_HIST_NELEMS - ENG_HIST_N_TO_PRINT) 4950aadb33SDmitri Tikhonov log_hist_slice(&hist->eh_slices[idx], t0 + i); 5050aadb33SDmitri Tikhonov } 5150aadb33SDmitri Tikhonov} 5250aadb33SDmitri Tikhonov 5350aadb33SDmitri Tikhonov#endif 54