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/* XXX: this program knows quite a bit about tcpto's internals */
#include "substdio.h"
#include "subfd.h"
#include "auto_qmail.h"
#include "fmt.h"
#include "ip.h"
#include "lock.h"
#include "error.h"
#include "exit.h"
#include "datetime.h"
#include "now.h"
void die(n) int n; { substdio_flush(subfdout); _exit(n); }
void warn(s) char *s;
{
char *x;
x = error_str(errno);
substdio_puts(subfdout,s);
substdio_puts(subfdout,": ");
substdio_puts(subfdout,x);
substdio_puts(subfdout,"\n");
}
void die_chdir() { warn("fatal: unable to chdir"); die(111); }
void die_open() { warn("fatal: unable to open tcpto"); die(111); }
void die_lock() { warn("fatal: unable to lock tcpto"); die(111); }
void die_read() { warn("fatal: unable to read tcpto"); die(111); }
char tcpto_buf[1024];
char tmp[FMT_ULONG + IPFMT];
void main()
{
int fdlock;
int fd;
int r;
int i;
char *record;
struct ip_address ip;
datetime_sec when;
datetime_sec start;
if (chdir(auto_qmail) == -1) die_chdir();
if (chdir("queue/lock") == -1) die_chdir();
fdlock = open_write("tcpto");
if (fdlock == -1) die_open();
fd = open_read("tcpto");
if (fd == -1) die_open();
if (lock_ex(fdlock) == -1) die_lock();
r = read(fd,tcpto_buf,sizeof(tcpto_buf));
close(fd);
close(fdlock);
if (r == -1) die_read();
r >>= 4;
start = now();
record = tcpto_buf;
for (i = 0;i < r;++i)
{
if (record[4] >= 1)
{
byte_copy(&ip,4,record);
when = (unsigned long) (unsigned char) record[11];
when = (when << 8) + (unsigned long) (unsigned char) record[10];
when = (when << 8) + (unsigned long) (unsigned char) record[9];
when = (when << 8) + (unsigned long) (unsigned char) record[8];
substdio_put(subfdout,tmp,ip_fmt(tmp,&ip));
substdio_puts(subfdout," timed out ");
substdio_put(subfdout,tmp,fmt_ulong(tmp,(unsigned long) (start - when)));
substdio_puts(subfdout," seconds ago; # recent timeouts: ");
substdio_put(subfdout,tmp,fmt_ulong(tmp,(unsigned long) (unsigned char) record[4]));
substdio_puts(subfdout,"\n");
}
record += 16;
}
die(0);
}
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