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keepalived/bz1232073-revert-fix-notify-upon-reload.patch

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From bde088a433219ff8f966f53f1a4cb5a504f24fd5 Mon Sep 17 00:00:00 2001
From: Ryan O'Hara <rohara@redhat.com>
Date: Wed, 17 Jun 2015 20:58:31 -0500
Subject: [PATCH 1/2] Revert "Fix notify upon reload"
This reverts commit 89f910217097c1201ff15922a52facc668aa4ab4.
---
keepalived/include/vrrp.h | 8 -----
keepalived/include/vrrp_notify.h | 1 -
keepalived/vrrp/vrrp.c | 9 -----
keepalived/vrrp/vrrp_data.c | 8 ++---
keepalived/vrrp/vrrp_notify.c | 71 ----------------------------------------
keepalived/vrrp/vrrp_scheduler.c | 3 +-
6 files changed, 5 insertions(+), 95 deletions(-)
diff --git a/keepalived/include/vrrp.h b/keepalived/include/vrrp.h
index 12f44e1..8c8b3f3 100644
--- a/keepalived/include/vrrp.h
+++ b/keepalived/include/vrrp.h
@@ -230,14 +230,6 @@ typedef struct _vrrp_t {
/* IPSEC AH counter def (only valid for VRRPv2) --rfc2402.3.3.2 */
seq_counter_t *ipsecah_counter;
list script;
- list pscript[2]; /*
- * previous scripts:
- * [0] contains pointer to list of scripts
- * configured before reload.
- * [1] contains pointer to list of scripts
- * configured two reloads ago. The list
- * pointed to here gets freed during reload.
- */
} vrrp_t;
/* VRRP state machine -- rfc2338.6.4 */
diff --git a/keepalived/include/vrrp_notify.h b/keepalived/include/vrrp_notify.h
index fa0770f..692f10f 100644
--- a/keepalived/include/vrrp_notify.h
+++ b/keepalived/include/vrrp_notify.h
@@ -28,7 +28,6 @@
#include "vrrp.h"
extern int notify_instance_exec(vrrp_t *, int);
-extern int notify_instance_exec_init(vrrp_t *, int);
extern int notify_group_exec(vrrp_sgroup_t *, int);
extern void alloc_notify_script(list, vector_t *);
extern void dump_notify_script(void *);
diff --git a/keepalived/vrrp/vrrp.c b/keepalived/vrrp/vrrp.c
index 8020302..e0715be 100644
--- a/keepalived/vrrp/vrrp.c
+++ b/keepalived/vrrp/vrrp.c
@@ -1758,14 +1758,6 @@ clear_diff_vrrp(void)
netlink_link_del_vmac(vrrp);
}
- /* Obtain reference to list of scripts used before reload
- * to enable a comparison later on to avoid making redundant
- * notifications.
- */
- new_vrrp->pscript[1] = vrrp->pscript[0];
- new_vrrp->pscript[0] = vrrp->script;
- vrrp->script = NULL;
-
/* reset the state */
reset_vrrp_state(vrrp);
}
@@ -1795,4 +1787,3 @@ clear_diff_script(void)
}
}
}
-
diff --git a/keepalived/vrrp/vrrp_data.c b/keepalived/vrrp/vrrp_data.c
index 78d3fdb..42d7af0 100644
--- a/keepalived/vrrp/vrrp_data.c
+++ b/keepalived/vrrp/vrrp_data.c
@@ -213,10 +213,10 @@ free_vrrp(void *data)
FREE(ELEMENT_DATA(e));
free_list(vrrp->track_script);
- if (!LIST_ISEMPTY(vrrp->pscript[1]))
- for (e = LIST_HEAD(vrrp->pscript[1]); e; ELEMENT_NEXT(e))
- FREE(ELEMENT_DATA(e));
- free_list(vrrp->pscript[1]);
+ if (!LIST_ISEMPTY(vrrp->script))
+ for (e = LIST_HEAD(vrrp->script); e; ELEMENT_NEXT(e))
+ FREE(ELEMENT_DATA(e));
+ free_list(vrrp->script);
free_list(vrrp->unicast_peer);
free_list(vrrp->vip);
diff --git a/keepalived/vrrp/vrrp_notify.c b/keepalived/vrrp/vrrp_notify.c
index 935f726..f830341 100644
--- a/keepalived/vrrp/vrrp_notify.c
+++ b/keepalived/vrrp/vrrp_notify.c
@@ -22,7 +22,6 @@
/* system include */
#include <ctype.h>
-#include <stdbool.h>
/* local include */
#include "vrrp_notify.h"
@@ -160,76 +159,6 @@ notify_script_exec(char* script, char *type, int state_num, char* name, int prio
return 1;
}
-/* This function acts as a proxy, temporarily changing each VRRP's notify
- * list. It should be called when we are in the init state. We get to this
- * stage if our daemon has just been initialized, or if we perform a reload
- * on the daemon. In the latter situation, this causes us to leave and then
- * re-enter the state we just left. We do not want to notify when we go
- * from, for example, master->master.
- *
- * This function prevents the above from happening by comparing our current
- * configured notify script list with the previous scripts we had configured.
- * We create a new list that contains scripts that are in our current
- * configuration AND were not in our configuration before reload.
- * We then update our vrrp instance to point to this list temporarily before
- * calling notify_instance_exec(...). After this call has returned, we then
- * update our vrrp reference to point back to the original, currently configured
- * list.
- */
-int
-notify_instance_exec_init(vrrp_t * vrrp, int state)
-{
- bool match = false;
- char *cur_script, *prev_script;
- element e_cur, e_prev = NULL;
- int ret;
- list l_temp = alloc_list(NULL, dump_notify_script);
- list l_orig = vrrp->script;
- notify_sc_t *nsc_cur, *nsc_prev = NULL;
-
- /* The algorithm here is essentially:
- * for each element in our currently configured list
- * if this element did not exist in our previous configuration
- * add this element to our temporary list
- *
- * NOTE: this loop can be optimised if scripts are stored in an
- * alphabetical order. The inner loop can be exited early if
- * strcmp returns > 0.
- */
- if (!LIST_ISEMPTY(vrrp->script) && !LIST_ISEMPTY(vrrp->pscript[0])) {
- for (e_cur = LIST_HEAD(vrrp->script); e_cur; ELEMENT_NEXT(e_cur)) {
- nsc_cur = e_cur->data;
- cur_script = nsc_cur->sname;
- for (e_prev = LIST_HEAD(vrrp->pscript[0]); e_prev; ELEMENT_NEXT(e_prev)) {
- nsc_prev = e_prev->data;
- prev_script = nsc_prev->sname;
- if (strcmp(cur_script, prev_script) == 0) {
- match = true;
- break;
- }
- }
- if (match == false)
- list_add(l_temp, nsc_cur);
- match = false;
- }
- /* Change our reference to temp list. This means the call to
- * notify_instance_exec(...) will only invoke the scripts that we
- * have not previously been configured with.
- */
- vrrp->script = l_temp;
- }
- ret = notify_instance_exec(vrrp, state);
-
- /* Reset our reference back to our original list containing all our
- * configured scripts. This means subsequent state changes will cause
- * all of our configured scripts to be executed
- */
- vrrp->script = l_orig;
-
- free_list(l_temp);
- return ret;
-}
-
int
notify_instance_exec(vrrp_t * vrrp, int state)
{
diff --git a/keepalived/vrrp/vrrp_scheduler.c b/keepalived/vrrp/vrrp_scheduler.c
index b87a93c..7f31032 100644
--- a/keepalived/vrrp/vrrp_scheduler.c
+++ b/keepalived/vrrp/vrrp_scheduler.c
@@ -240,7 +240,6 @@ vrrp_init_state(list l)
vrrp->vrid);
#endif
vrrp->state = VRRP_STATE_GOTO_MASTER;
- notify_instance_exec_init(vrrp, VRRP_STATE_MAST);
} else {
vrrp->ms_down_timer = 3 * vrrp->adver_int
+ VRRP_TIMER_SKEW(vrrp);
@@ -258,7 +257,7 @@ vrrp_init_state(list l)
vrrp_restore_interface(vrrp, 0);
vrrp->state = VRRP_STATE_BACK;
vrrp_smtp_notifier(vrrp);
- notify_instance_exec_init(vrrp, VRRP_STATE_BACK);
+ notify_instance_exec(vrrp, VRRP_STATE_BACK);
#ifdef _WITH_SNMP_
vrrp_snmp_instance_trap(vrrp);
#endif
--
1.9.3
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