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policy: remove "invalid mark" for failed connections after 5 mins

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If there is a temporary connection failure (e.g. due to unavailable DHCP), the
connection is marked as invalid after several retries. Reset the flag after
5 mins to allow next auto-reconnection.
This commit is contained in:
Jiří Klimeš 2011-06-17 12:43:28 +02:00
parent a5850e82bc
commit fdfbe00aac
1 changed files with 45 additions and 2 deletions
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47
src/nm-policy.c
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@ -66,12 +66,16 @@ struct NMPolicy {
HostnameThread *lookup;
gint reset_retries_id; /* idle handler for resetting the retries count */
char *orig_hostname; /* hostname at NM start time */
char *cur_hostname; /* hostname we want to assign */
};
#define RETRIES_TAG "autoconnect-retries"
#define RETRIES_DEFAULT 4
#define RESET_RETRIES_TIMESTAMP_TAG "reset-retries-timestamp-tag"
#define RESET_RETRIES_TIMER 300
static NMDevice *
get_best_ip4_device (NMManager *manager, NMActRequest **out_req)
@ -870,6 +874,37 @@ schedule_activate_check (NMPolicy *policy, NMDevice *device, guint delay_seconds
}
}
static gboolean
reset_connections_retries (gpointer user_data)
{
NMPolicy *policy = (NMPolicy *) user_data;
GSList *connections, *iter;
time_t con_stamp, min_stamp, now;
policy->reset_retries_id = 0;
min_stamp = now = time (NULL);
connections = nm_settings_get_connections (policy->settings);
for (iter = connections; iter; iter = g_slist_next (iter)) {
con_stamp = GPOINTER_TO_SIZE (g_object_get_data (G_OBJECT (iter->data), RESET_RETRIES_TIMESTAMP_TAG));
if (con_stamp == 0)
continue;
if (con_stamp + RESET_RETRIES_TIMER <= now) {
set_connection_auto_retries (NM_CONNECTION (iter->data), RETRIES_DEFAULT);
g_object_set_data (G_OBJECT (iter->data), RESET_RETRIES_TIMESTAMP_TAG, GSIZE_TO_POINTER (0));
continue;
}
if (con_stamp < min_stamp)
min_stamp = con_stamp;
}
g_slist_free (connections);
/* Schedule the handler again if there are some stamps left */
if (min_stamp != now)
policy->reset_retries_id = g_timeout_add_seconds (RESET_RETRIES_TIMER - (now - min_stamp), reset_connections_retries, policy);
return FALSE;
}
static NMConnection *
get_device_connection (NMDevice *device)
{
@ -914,8 +949,13 @@ device_state_changed (NMDevice *device,
set_connection_auto_retries (connection, tries - 1);
}
if (get_connection_auto_retries (connection) == 0)
if (get_connection_auto_retries (connection) == 0) {
nm_log_info (LOGD_DEVICE, "Marking connection '%s' invalid.", nm_connection_get_id (connection));
/* Schedule a handler to reset retries count */
g_object_set_data (G_OBJECT (connection), RESET_RETRIES_TIMESTAMP_TAG, GSIZE_TO_POINTER ((gsize) time (NULL)));
if (!policy->reset_retries_id)
policy->reset_retries_id = g_timeout_add_seconds (RESET_RETRIES_TIMER, reset_connections_retries, policy);
}
nm_connection_clear_secrets (connection);
}
schedule_activate_check (policy, device, 3);
@ -938,7 +978,7 @@ device_state_changed (NMDevice *device,
update_routing_and_dns (policy, FALSE);
break;
case NM_DEVICE_STATE_DISCONNECTED:
/* Clear INVALID_TAG when carrier on. If cable was unplugged
/* Reset RETRIES_TAG when carrier on. If cable was unplugged
* and plugged again, we should try to reconnect */
if (reason == NM_DEVICE_STATE_REASON_CARRIER && old_state == NM_DEVICE_STATE_UNAVAILABLE)
reset_retries_all (policy->settings, device);
@ -1246,6 +1286,9 @@ nm_policy_destroy (NMPolicy *policy)
}
g_slist_free (policy->dev_ids);
if (policy->reset_retries_id)
g_source_remove (policy->reset_retries_id);
g_free (policy->orig_hostname);
g_free (policy->cur_hostname);