gboolean
check_sbd_timeout(const char *value)
{
long st_timeout = value? crm_get_msec(value) : 0;
if (st_timeout <= 0) {
crm_debug("Watchdog may be enabled but stonith-watchdog-timeout is disabled (%s)",
value? value : "default");
} else if (pcmk_locate_sbd() == 0) {
do_crm_log_always(LOG_EMERG,
"Shutting down: stonith-watchdog-timeout configured (%s) but SBD not active",
value);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
} else {
long sbd_timeout = crm_get_sbd_timeout();
if (st_timeout < sbd_timeout) {
do_crm_log_always(LOG_EMERG,
"Shutting down: stonith-watchdog-timeout (%s) too short (must be >%ldms)",
value, sbd_timeout);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
}
crm_info("Watchdog configured with stonith-watchdog-timeout %s and SBD timeout %ldms",
value, sbd_timeout);
}
return TRUE;
}
int
crm_remote_accept(int ssock)
{
int csock = 0;
int rc = 0;
unsigned laddr = 0;
struct sockaddr_storage addr;
char addr_str[INET6_ADDRSTRLEN];
#ifdef TCP_USER_TIMEOUT
int optval;
long sbd_timeout = crm_get_sbd_timeout();
#endif
/* accept the connection */
laddr = sizeof(addr);
memset(&addr, 0, sizeof(addr));
csock = accept(ssock, (struct sockaddr *)&addr, &laddr);
crm_sockaddr2str(&addr, addr_str);
crm_info("New remote connection from %s", addr_str);
if (csock == -1) {
crm_err("accept socket failed");
return -1;
}
rc = crm_set_nonblocking(csock);
if (rc < 0) {
crm_err("Could not set socket non-blocking: %s " CRM_XS " rc=%d",
pcmk_strerror(rc), rc);
close(csock);
return rc;
}
#ifdef TCP_USER_TIMEOUT
if (sbd_timeout > 0) {
optval = sbd_timeout / 2; /* time to fail and retry before watchdog */
rc = setsockopt(csock, SOL_TCP, TCP_USER_TIMEOUT,
&optval, sizeof(optval));
if (rc < 0) {
crm_err("setting TCP_USER_TIMEOUT (%d) on client socket failed",
optval);
close(csock);
return rc;
}
}
#endif
return csock;
}
gboolean
check_sbd_timeout(const char *value)
{
long sbd_timeout = crm_get_sbd_timeout();
long st_timeout = crm_get_msec(value);
if(value == NULL || st_timeout <= 0) {
crm_notice("Watchdog may be enabled but stonith-watchdog-timeout is disabled: %s", value);
} else if(pcmk_locate_sbd() == 0) {
do_crm_log_always(LOG_EMERG, "Shutting down: stonith-watchdog-timeout is configured (%ldms) but SBD is not active", st_timeout);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
} else if(st_timeout < sbd_timeout) {
do_crm_log_always(LOG_EMERG, "Shutting down: stonith-watchdog-timeout (%ldms) is too short (must be greater than %ldms)",
st_timeout, sbd_timeout);
crm_exit(DAEMON_RESPAWN_STOP);
return FALSE;
}
crm_info("Watchdog functionality is consistent: %s delay exceeds timeout of %ldms", value, sbd_timeout);
return TRUE;
}
