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/*
* pgpool: a language independent connection pool server for PostgreSQL
* written by Tatsuo Ishii
*
* Copyright (c) 2003-2024 PgPool Global Development Group
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that copyright notice and this permission
* notice appear in supporting documentation, and that the name of the
* author not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. The author makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* fe_port.c
*
*/
#ifndef POOL_PRIVATE
#error "This file is not expected to be compiled for pgpool utilities only"
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
#include "utils/fe_ports.h"
int _fe_error_level = 0;
const char *_filename;
const char *_funcname;
int _lineno;
int _print_timestamp = 0;
static const char *error_severity(int elevel);
static char *nowsec(void);
#define MAXSTRFTIME 128
/*
* ignore errdetail() in frontend
*/
int
errdetail(const char *fmt,...)
{
return 0;
}
/*
* ignore errhint() in frontend
*/
int
errhint(const char *fmt,...)
{
return 0;
}
void
errfinish(int dummy,...)
{
}
void
errmsg(const char *fmt,...)
{
va_list ap;
#ifdef HAVE_ASPRINTF
char *fmt2;
int len;
#endif
#ifdef HAVE_ASPRINTF
if (_print_timestamp)
len = asprintf(&fmt2, "%s %s: pid %d: %s\n", nowsec(), error_severity(_fe_error_level), (int) getpid(), fmt);
else
len = asprintf(&fmt2, "%s: pid %d: %s\n", error_severity(_fe_error_level), (int) getpid(), fmt);
if (len >= 0 && fmt2)
{
va_start(ap, fmt);
vfprintf(stderr, fmt2, ap);
va_end(ap);
fflush(stderr);
free(fmt2);
}
#else
if (_print_timestamp)
fprintf(stderr, "%s %s: pid %d: ", nowsec(), error_severity(_fe_error_level), (int) getpid());
else
fprintf(stderr, "%s: pid %d: ", error_severity(_fe_error_level), (int) getpid());
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
#endif
}
/*
* error_severity --- get localized string representing elevel
*/
static const char *
error_severity(int elevel)
{
const char *prefix;
switch (elevel)
{
case DEBUG1:
case DEBUG2:
case DEBUG3:
case DEBUG4:
case DEBUG5:
case FRONTEND_DEBUG:
prefix = "DEBUG";
break;
case LOG:
case COMMERROR:
case FRONTEND_LOG:
prefix = "LOG";
break;
case INFO:
prefix = "INFO";
break;
case NOTICE:
prefix = "NOTICE";
break;
case WARNING:
prefix = "WARNING";
break;
case ERROR:
prefix = "ERROR";
break;
case FATAL:
prefix = "FATAL";
break;
case PANIC:
prefix = "PANIC";
break;
default:
prefix = "???";
break;
}
return prefix;
}
static char *
nowsec(void)
{
static char strbuf[MAXSTRFTIME];
time_t now = time(NULL);
strftime(strbuf, MAXSTRFTIME, "%Y-%m-%d %H:%M:%S", localtime(&now));
return strbuf;
}
bool errstart(int elevel, const char *filename, int lineno,
const char *funcname, const char *domain)
{
_fe_error_level = elevel;
/*
* This is a basic version and for now we just suppress all messages below
* WARNING for frontend
*/
if (_fe_error_level < WARNING)
return 0;
_filename = filename;
_lineno = lineno;
_funcname = funcname;
return 1;
}
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