Fix behavior when system date is negative.

Previously we set a few timers to expire at a time_t of 0, i.e.
immediately.  But if the system date is set incorrectly to a date
before 1970, then these timers will essentially never expire.
Set them to expire at TIME_MIN instead.

diff --git a/lib/learning-switch.c b/lib/learning-switch.c
index 79858f4f6957da2d8d6e040960a8ad5fbb790684..3b432d3b288351e7e260a32bd01ba8201598fd38 100644 (file)
--- a/lib/learning-switch.c
+++ b/lib/learning-switch.c
@@ -87,7 +87,7 @@ lswitch_create(struct rconn *rconn, bool learn_macs, int max_idle)
     memset(sw, 0, sizeof *sw);
     sw->max_idle = max_idle;
     sw->datapath_id = 0;
-    sw->last_features_request = 0;
+    sw->last_features_request = time(0) - 1;
     sw->ml = learn_macs ? mac_learning_create() : NULL;
     send_features_request(sw, rconn);
     return sw;

diff --git a/lib/rconn.c b/lib/rconn.c
index a6613ffe60c7fd9f7f638c87e455f50fdb1e0099..8292401ae1f23828f7576988fb9cb5fa91006cc6 100644 (file)
--- a/lib/rconn.c
+++ b/lib/rconn.c
@@ -345,7 +345,7 @@ create_rconn(const char *name, int txq_limit, int probe_interval,
     rc->vconn = vconn;
     queue_init(&rc->txq);
     rc->txq_limit = txq_limit;
-    rc->backoff_deadline = 0;
+    rc->backoff_deadline = time(0);
     rc->backoff = 0;
     rc->last_connected = time(0);
     rc->probe_interval = (probe_interval