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/*-------------------------------------------------------------------------
*
* logtofile_string_format.c
* Functions to format data as strings
*
* Copyright (c) 2020-2025, Francisco Miguel Biete Banon
*
* This code is released under the PostgreSQL licence, as given at
* http://www.postgresql.org/about/licence/
*-------------------------------------------------------------------------
*/
#include "logtofile_string_format.h"
#include "logtofile_autoclose.h"
#include "logtofile_guc.h"
#include "logtofile_shmem.h"
#include "logtofile_vars.h"
#include <access/xact.h>
#include <lib/stringinfo.h>
#include <libpq/libpq-be.h>
#include <miscadmin.h>
#include <pgtime.h>
#include <port/atomics.h>
#include <postmaster/syslogger.h>
#include <storage/fd.h>
#include <storage/ipc.h>
#include <storage/lwlock.h>
#include <storage/pg_shmem.h>
#include <storage/proc.h>
#include <tcop/tcopprot.h>
#include <utils/ps_status.h>
#include <pthread.h>
#include <time.h>
#include <sys/stat.h>
#define FORMATTED_TS_LEN 128
/**
* @brief Formats the session start time
* @param void
* @return void
*/
char *PgAuditLogToFile_format_now_timestamp(void)
{
char *formatted_start_time;
formatted_start_time = palloc(FORMATTED_TS_LEN * sizeof(char));
/*
* Note: we expect that guc.c will ensure that log_timezone is set up (at
* least with a minimal GMT value) before Log_line_prefix can become
* nonempty or CSV mode can be selected.
*/
pg_strftime(formatted_start_time, FORMATTED_TS_LEN, "%Y-%m-%d %H:%M:%S %Z",
pg_localtime((pg_time_t *)&MyStartTime, log_timezone));
return formatted_start_time;
}
/**
* @brief Formats the record time
* @param void
* @return void
*/
char *PgAuditLogToFile_format_now_timestamp_millis(void)
{
char *formatted_log_time;
struct timeval tv;
char msbuf[5];
formatted_log_time = palloc(FORMATTED_TS_LEN * sizeof(char));
gettimeofday(&tv, NULL);
/*
* Note: we expect that guc.c will ensure that log_timezone is set up (at
* least with a minimal GMT value) before Log_line_prefix can become
* nonempty or CSV mode can be selected.
*/
pg_strftime(formatted_log_time, FORMATTED_TS_LEN,
/* leave room for milliseconds... */
"%Y-%m-%d %H:%M:%S %Z",
pg_localtime((pg_time_t *)&(tv.tv_sec), log_timezone));
/* 'paste' milliseconds into place... */
sprintf(msbuf, ".%03d", (int)(tv.tv_usec / 1000));
memcpy(formatted_log_time + 19, msbuf, 4);
return formatted_log_time;
}
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