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sm: handle reload event

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Signed-off-by: Jonas Johansson <jonas.johansson@westermo.se>
This commit is contained in:
Jonas Johansson committed 2016-05-18 10:40:01 +02:00
1 parent 60df2043ac
commit 29315090f9
3 files changed
+66 -36
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sm.c
+55 -4
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@@ -26,6 +26,7 @@
#include <sys/types.h>
#include "finit.h"
#include "cond.h"
#include "conf.h"
#include "helpers.h"
#include "private.h"
@@ -38,6 +39,7 @@ void sm_init(sm_t *sm)
{
sm->state = SM_BOOTSTRAP_STATE;
sm->newlevel = -1;
sm->reload = 0;
}
void sm_set_runlevel(sm_t *sm, int newlevel)
@@ -45,6 +47,11 @@ void sm_set_runlevel(sm_t *sm, int newlevel)
sm->newlevel = newlevel;
}
void sm_set_reload(sm_t *sm)
{
sm->reload = 1;
}
char *sm_status(sm_t *sm)
{
switch (sm->state) {
@@ -54,8 +61,12 @@ char *sm_status(sm_t *sm)
return "running";
case SM_RUNLEVEL_CHANGE_STATE:
return "runlevel/change";
case SM_RUNLEVEL_WAIT_STOP_STATE:
case SM_RUNLEVEL_WAIT_STATE:
return "runlevel/wait";
case SM_RELOAD_CHANGE_STATE:
return "reload/change";
case SM_RELOAD_WAIT_STATE:
return "reload/wait";
default:
return "unknown";
}
@@ -70,7 +81,7 @@ restart:
_d("state: %s", sm_status(sm));
switch(sm->state) {
switch (sm->state) {
case SM_BOOTSTRAP_STATE:
_d("Bootstrapping all services in runlevel S from %s", FINIT_CONF);
service_step_all(SVC_TYPE_RUN | SVC_TYPE_TASK | SVC_TYPE_SERVICE);
@@ -87,6 +98,12 @@ restart:
sm->state = SM_RUNLEVEL_CHANGE_STATE;
break;
}
/* reload ? */
if (sm->reload) {
sm->reload = 0;
sm->state = SM_RELOAD_CHANGE_STATE;
}
break;
case SM_RUNLEVEL_CHANGE_STATE:
prevlevel = runlevel;
@@ -102,10 +119,10 @@ restart:
_d("Stopping services services not allowed in new runlevel ...");
service_step_all(SVC_TYPE_ANY);
sm->state = SM_RUNLEVEL_WAIT_STOP_STATE;
sm->state = SM_RUNLEVEL_WAIT_STATE;
break;
case SM_RUNLEVEL_WAIT_STOP_STATE:
case SM_RUNLEVEL_WAIT_STATE:
/* Need to wait for any services to stop? If so, exit early
* and perform second stage from service_monitor later. */
if (!service_stop_is_done())
@@ -143,6 +160,40 @@ restart:
sm->state = SM_RUNNING_STATE;
break;
case SM_RELOAD_CHANGE_STATE:
/* First reload all *.conf in /etc/finit.d/ */
conf_reload_dynamic();
/* Then, mark all affected service conditions as in-flux and
* let all affected services move to WAITING/HALTED */
_d("Stopping services services not allowed after reconf ...");
cond_reload();
service_step_all(SVC_TYPE_SERVICE | SVC_TYPE_INETD);
sm->state = SM_RELOAD_WAIT_STATE;
break;
case SM_RELOAD_WAIT_STATE:
/* Need to wait for any services to stop? If so, exit early
* and perform second stage from service_monitor later. */
if (!service_stop_is_done())
break;
/* Cleanup stale services */
svc_clean_dynamic(service_unregister);
_d("Starting services after reconf ...");
service_step_all(SVC_TYPE_SERVICE | SVC_TYPE_INETD);
_d("Calling reconf hooks ...");
plugin_run_hooks(HOOK_SVC_RECONF);
service_step_all(SVC_TYPE_SERVICE | SVC_TYPE_INETD);
_d("Reconfiguration done");
sm->state = SM_RUNNING_STATE;
break;
}
if (sm->state != old_state) {