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Abstract from shutdown initiation mechanism:

Browse source 
(shutdown_initiate): New.
(shut): Use it.  Shutdown in zero minutes no longer cancels the
shutdown, it just works.  Use negative argument to cancel.  Logging is
less detailed.
(shutdown_sequence): Internal linkage.

(pr_wall): All callers prefix text it with the same header.  Move it
into the function.
This commit is contained in:
Markus Armbruster 2007-01-20 20:40:52 +00:00
parent 516f42e063
commit 84cfd670ce
5 changed files with 70 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

68
src/server/shutdown.c
View file

@ -42,46 +42,66 @@
int shutdown_pending;
void
static void shutdown_sequence(void *unused);
int
shutdown_initiate(int mins_from_now)
{
int old_pending = shutdown_pending;
if (mins_from_now < 0) {
if (shutdown_pending) {
shutdown_pending = 0;
pr_wall("The server shutdown has been cancelled!\n");
}
return old_pending;
}
shutdown_pending = mins_from_now + 1;
if (old_pending) {
pr_wall("The shutdown time has been changed to %d minutes!\n",
mins_from_now);
/* FIXME wake up shutdown_sequence() */
} else {
if (!empth_create(PP_SHUTDOWN, shutdown_sequence, 50 * 1024,
0, "shutdownSeq", "Counts down server shutdown",
NULL))
return -1;
}
return old_pending;
}
static void
shutdown_sequence(void *unused)
{
struct natstr *god;
struct tm *tm;
time_t now;
char header[100];
if (shutdown_pending <= 0) {
shutdown_pending = 0;
logerror("shutdown called with 0 shutdown_pending");
empth_exit();
return;
}
god = getnatp(0);
pr_wall("The server will shut down in %d minutes!\n",
shutdown_pending - 1);
while (shutdown_pending > 0) {
--shutdown_pending;
time(&now);
if (shutdown_pending <= 1440) { /* one day */
tm = localtime(&now);
sprintf(header, "BROADCAST from %s @ %02d:%02d: ",
god->nat_cnam, tm->tm_hour, tm->tm_min);
if (!shutdown_pending) {
pr_wall("%sServer shutting down NOW!\n", header);
if (shutdown_pending == 0) {
shutdwn(0);
} else if (shutdown_pending == 1) {
pr_wall("%sServer shutting down in 1 minute!\n", header);
pr_wall("Server shutting down in 1 minute!\n");
} else if (shutdown_pending <= 5) {
pr_wall("%sServer shutting down in %d minutes!\n",
header, shutdown_pending);
pr_wall("Server shutting down in %d minutes!\n",
shutdown_pending);
} else if (shutdown_pending <= 60
&& shutdown_pending % 10 == 0) {
pr_wall("%sThe server will be shutting down in %d minutes!\n",
header, shutdown_pending);
pr_wall("The server will be shutting down in %d minutes!\n",
shutdown_pending);
} else if (shutdown_pending % 60 == 0) {
pr_wall("%sThe server will be shutting down %d hours from now.\n",
header, shutdown_pending / 60);
pr_wall("The server will be shutting down %d hours from now.\n",
shutdown_pending / 60);
}
}
/* FIXME error due to late wakeup accumulates */
empth_sleep(now + 60);
}
empth_exit();
}