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authorThomas Haller <thaller@redhat.com>2016-03-11 16:18:13 +0100
committerThomas Haller <thaller@redhat.com>2016-03-14 17:02:19 +0100
commit0513ea4e3fc42c2d495ae47d83815ce09d2274b2 (patch)
tree914b4a38e8a2bdda8fac95bf132882f5982b963b /src/libsystemd-network
parentca9bc74bd0c80492af1f1b59f34094eddbea3c33 (diff)
lldp: fix starting ttl timer for lldp neighbor
lldp_start_timer() was only called during sd_lldp_get_neighbors(). Ensure that the timer is (re-)started when a new neighbor appears. Otherwise, the timer is not started when relying on the events alone. Fixes: 34437b4f9c9c51b0a6f93788bdb9a105b8e46b66
Diffstat (limited to 'src/libsystemd-network')
-rw-r--r--src/libsystemd-network/sd-lldp.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/libsystemd-network/sd-lldp.c b/src/libsystemd-network/sd-lldp.c
index d0743cf3e2..9d4587c80e 100644
--- a/src/libsystemd-network/sd-lldp.c
+++ b/src/libsystemd-network/sd-lldp.c
@@ -112,6 +112,8 @@ static bool lldp_keep_neighbor(sd_lldp *lldp, sd_lldp_neighbor *n) {
return true;
}
+static int lldp_start_timer(sd_lldp *lldp, sd_lldp_neighbor *neighbor);
+
static int lldp_add_neighbor(sd_lldp *lldp, sd_lldp_neighbor *n) {
_cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *old = NULL;
bool keep;
@@ -136,7 +138,7 @@ static int lldp_add_neighbor(sd_lldp *lldp, sd_lldp_neighbor *n) {
if (lldp_neighbor_equal(n, old)) {
/* Is this equal, then restart the TTL counter, but don't do anyting else. */
- lldp_neighbor_start_ttl(old);
+ lldp_start_timer(lldp, old);
lldp_callback(lldp, SD_LLDP_EVENT_REFRESHED, old);
return 0;
}
@@ -162,7 +164,7 @@ static int lldp_add_neighbor(sd_lldp *lldp, sd_lldp_neighbor *n) {
n->lldp = lldp;
- lldp_neighbor_start_ttl(n);
+ lldp_start_timer(lldp, n);
lldp_callback(lldp, old ? SD_LLDP_EVENT_UPDATED : SD_LLDP_EVENT_ADDED, n);
return 1;
@@ -368,8 +370,6 @@ static int neighbor_compare_func(const void *a, const void *b) {
return lldp_neighbor_id_hash_ops.compare(&(*x)->id, &(*y)->id);
}
-static int lldp_start_timer(sd_lldp *lldp);
-
static int on_timer_event(sd_event_source *s, uint64_t usec, void *userdata) {
sd_lldp *lldp = userdata;
int r, q;
@@ -378,19 +378,22 @@ static int on_timer_event(sd_event_source *s, uint64_t usec, void *userdata) {
if (r < 0)
return log_lldp_errno(r, "Failed to make space: %m");
- q = lldp_start_timer(lldp);
+ q = lldp_start_timer(lldp, NULL);
if (q < 0)
return log_lldp_errno(q, "Failed to restart timer: %m");
return 0;
}
-static int lldp_start_timer(sd_lldp *lldp) {
+static int lldp_start_timer(sd_lldp *lldp, sd_lldp_neighbor *neighbor) {
sd_lldp_neighbor *n;
int r;
assert(lldp);
+ if (neighbor)
+ lldp_neighbor_start_ttl(neighbor);
+
n = prioq_peek(lldp->neighbor_by_expiry);
if (!n) {
@@ -440,7 +443,7 @@ _public_ int sd_lldp_get_neighbors(sd_lldp *lldp, sd_lldp_neighbor ***ret) {
if (!l)
return -ENOMEM;
- r = lldp_start_timer(lldp);
+ r = lldp_start_timer(lldp, NULL);
if (r < 0) {
free(l);
return r;