postgresql/contrib/pg_logger/pg_logger.c
2001-11-05 17:46:40 +00:00

107 lines
1.9 KiB
C

/* pg_logger: stdin-to-syslog gateway for postgresql.
*
* Copyright 2001 by Nathan Myers <ncm@nospam.cantrip.org>
* This software is distributed free of charge with no warranty of any kind.
* You have permission to make copies for any purpose, provided that (1)
* this copyright notice is retained unchanged, and (2) you agree to
* absolve the author of all responsibility for all consequences arising
* from any use.
*/
#include <stdio.h>
#include <stddef.h>
#include <syslog.h>
#include <string.h>
struct
{
const char *tag;
int size;
int priority;
} tags[] =
{
{
"", 0, LOG_NOTICE
},
{
"emerg:", sizeof("emerg"), LOG_EMERG
},
{
"alert:", sizeof("alert"), LOG_ALERT
},
{
"crit:", sizeof("crit"), LOG_CRIT
},
{
"err:", sizeof("err"), LOG_ERR
},
{
"error:", sizeof("error"), LOG_ERR
},
{
"warning:", sizeof("warning"), LOG_WARNING
},
{
"notice:", sizeof("notice"), LOG_NOTICE
},
{
"info:", sizeof("info"), LOG_INFO
},
{
"debug:", sizeof("debug"), LOG_DEBUG
}
};
int
main()
{
char buf[301];
int c;
char *pos = buf;
const char *colon = 0;
#ifndef DEBUG
openlog("postgresql", LOG_CONS, LOG_LOCAL1);
#endif
while ((c = getchar()) != EOF)
{
if (c == '\r')
continue;
if (c == '\n')
{
int level = sizeof(tags) / sizeof(*tags);
char *bol;
if (colon == 0 || (size_t) (colon - buf) > sizeof("warning"))
level = 1;
*pos = 0;
while (--level)
{
if (pos - buf >= tags[level].size
&& strncmp(buf, tags[level].tag, tags[level].size) == 0)
break;
}
bol = buf + tags[level].size;
if (bol > buf && *bol == ' ')
++bol;
if (pos - bol > 0)
{
#ifndef DEBUG
syslog(tags[level].priority, "%s", bol);
#else
printf("%d/%s\n", tags[level].priority, bol);
#endif
}
pos = buf;
colon = (char const *) 0;
continue;
}
if (c == ':' && !colon)
colon = pos;
if ((size_t) (pos - buf) < sizeof(buf) - 1)
*pos++ = c;
}
return 0;
}