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Code Issues Releases Wiki Activity

Rearrange startup code so as to print everything before daemonizing; Don't spew copyright message if quiet is set.

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This commit is contained in:
Ted Lemon 1997-10-20 21:38:03 +00:00
parent 126965a98f
commit deb0cb72ec
1 changed files with 41 additions and 33 deletions
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74
server/dhcpd.c
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@ -42,7 +42,7 @@
#ifndef lint
static char ocopyright[] =
"$Id: dhcpd.c,v 1.43 1997/06/03 01:41:31 mellon Exp $ Copyright 1995, 1996 The Internet Software Consortium.";
"$Id: dhcpd.c,v 1.44 1997/10/20 21:38:03 mellon Exp $ Copyright 1995, 1996 The Internet Software Consortium.";
#endif
static char copyright[] =
@ -73,6 +73,7 @@ int log_perror = -1;
#else
int log_perror = 1;
#endif
int quiet_startup;
char *path_dhcpd_conf = _PATH_DHCPD_CONF;
char *path_dhcpd_db = _PATH_DHCPD_DB;
@ -108,9 +109,6 @@ int main (argc, argv, envp)
#endif
#endif
#endif
note (message);
note (copyright);
note (arr);
for (i = 1; i < argc; i++) {
if (!strcmp (argv [i], "-p")) {
@ -151,6 +149,8 @@ int main (argc, argv, envp)
#endif
cftest = 1;
log_perror = -1;
} else if (!strcmp (argv [i], "-q")) {
quiet_startup = 1;
} else if (argv [i][0] == '-') {
usage ();
} else {
@ -168,37 +168,12 @@ int main (argc, argv, envp)
}
}
#ifndef DEBUG
if (daemon) {
/* First part of becoming a daemon... */
if ((pid = fork ()) < 0)
error ("Can't fork daemon: %m");
else if (pid)
exit (0);
if (!quiet_startup) {
note (message);
note (copyright);
note (arr);
}
/* Read previous pid file. */
if ((i = open (path_dhcpd_pid, O_RDONLY)) >= 0) {
status = read (i, pbuf, (sizeof pbuf) - 1);
close (i);
pbuf [status] = 0;
pid = atoi (pbuf);
/* If the previous server process is not still running,
write a new pid file immediately. */
if (pid && kill (pid, 0) < 0) {
unlink (path_dhcpd_pid);
if ((i = open (path_dhcpd_pid,
O_WRONLY | O_CREAT, 0640)) >= 0) {
sprintf (pbuf, "%d\n", (int)getpid ());
write (i, pbuf, strlen (pbuf));
close (i);
pidfilewritten = 1;
}
}
}
#endif /* !DEBUG */
/* Default to the DHCP/BOOTP port. */
if (!local_port)
{
@ -238,6 +213,35 @@ int main (argc, argv, envp)
icmp_startup (1, lease_pinged);
#ifndef DEBUG
if (daemon) {
/* First part of becoming a daemon... */
if ((pid = fork ()) < 0)
error ("Can't fork daemon: %m");
else if (pid)
exit (0);
}
/* Read previous pid file. */
if ((i = open (path_dhcpd_pid, O_RDONLY)) >= 0) {
status = read (i, pbuf, (sizeof pbuf) - 1);
close (i);
pbuf [status] = 0;
pid = atoi (pbuf);
/* If the previous server process is not still running,
write a new pid file immediately. */
if (pid && kill (pid, 0) < 0) {
unlink (path_dhcpd_pid);
if ((i = open (path_dhcpd_pid,
O_WRONLY | O_CREAT, 0640)) >= 0) {
sprintf (pbuf, "%d\n", (int)getpid ());
write (i, pbuf, strlen (pbuf));
close (i);
pidfilewritten = 1;
}
}
}
/* If we were requested to log to stdout on the command line,
keep doing so; otherwise, stop. */
if (log_perror == -1)
@ -283,6 +287,10 @@ int main (argc, argv, envp)
static void usage ()
{
note (message);
note (copyright);
note (arr);
error ("Usage: dhcpd [-p <UDP port #>] [-d] [-f] [-cf config-file]%s",
"\n [-lf lease-file] [if0 [...ifN]]");
}