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devices: when disconnecting master, propagate reason to the slaves

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When disconnecting a master device, propagate its NMDeviceStateReason
to the slaves. That way, if the reason is USER_REQUESTED, then the
slaves will be blocked from re-autoconnecting as well.
This commit is contained in:
Dan Winship 2013-12-05 09:13:26 -05:00
parent 26cfe9f5ce
commit e2ab0eaf75
1 changed files with 30 additions and 28 deletions
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58
src/devices/nm-device.c
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@ -365,7 +365,7 @@ static void update_ip_config (NMDevice *self, gboolean initial);
static void device_ip_changed (NMPlatform *platform, int ifindex, gpointer platform_object, NMPlatformReason reason, gpointer user_data);
static void nm_device_slave_notify_enslave (NMDevice *dev, gboolean success);
static void nm_device_slave_notify_release (NMDevice *dev, gboolean master_failed);
static void nm_device_slave_notify_release (NMDevice *dev, NMDeviceStateReason reason);
static void addrconf6_start_with_link_ready (NMDevice *self);
@ -1007,7 +1007,6 @@ nm_device_enslave_slave (NMDevice *dev, NMDevice *slave, NMConnection *connectio
* nm_device_release_one_slave:
* @dev: the master device
* @slave: the slave device to release
* @master_failed: %TRUE if the release was unexpected, ie the master failed
*
* If @dev is capable of enslaving other devices (ie it's a bridge, bond, team,
* etc) then this function releases the previously enslaved @slave.
@ -1016,11 +1015,12 @@ nm_device_enslave_slave (NMDevice *dev, NMDevice *slave, NMConnection *connectio
* other devices, or if @slave was never enslaved.
*/
static gboolean
nm_device_release_one_slave (NMDevice *dev, NMDevice *slave, gboolean master_failed)
nm_device_release_one_slave (NMDevice *dev, NMDevice *slave)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (dev);
SlaveInfo *info;
gboolean success = FALSE;
NMDeviceStateReason reason;
g_return_val_if_fail (slave != NULL, FALSE);
g_return_val_if_fail (NM_DEVICE_GET_CLASS (dev)->release_slave != NULL, FALSE);
@ -1033,7 +1033,12 @@ nm_device_release_one_slave (NMDevice *dev, NMDevice *slave, gboolean master_fai
success = NM_DEVICE_GET_CLASS (dev)->release_slave (dev, slave);
g_warn_if_fail (success);
}
nm_device_slave_notify_release (info->slave, master_failed);
if (priv->state == NM_DEVICE_STATE_FAILED)
reason = NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED;
else
reason = priv->state_reason;
nm_device_slave_notify_release (info->slave, reason);
priv->slaves = g_slist_remove (priv->slaves, info);
free_slave_info (info);
@ -1263,7 +1268,7 @@ slave_state_changed (NMDevice *slave,
}
if (release) {
nm_device_release_one_slave (self, slave, FALSE);
nm_device_release_one_slave (self, slave);
/* Bridge/bond/team interfaces are left up until manually deactivated */
if (priv->slaves == NULL && priv->state == NM_DEVICE_STATE_ACTIVATED) {
nm_log_dbg (LOGD_DEVICE, "(%s): last slave removed; remaining activated",
@ -1405,14 +1410,14 @@ nm_device_is_master (NMDevice *dev)
/* release all slaves */
static void
nm_device_master_release_slaves (NMDevice *self, gboolean failed)
nm_device_master_release_slaves (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
while (priv->slaves) {
SlaveInfo *info = priv->slaves->data;
nm_device_release_one_slave (self, info->slave, failed);
nm_device_release_one_slave (self, info->slave);
}
}
@ -1481,40 +1486,37 @@ nm_device_slave_notify_enslave (NMDevice *dev, gboolean success)
/**
* nm_device_slave_notify_release:
* @dev: the slave device
* @master_failed: indicates whether the release was unexpected,
* ie the master device failed.
* @reason: the reason associated with the state change
*
* Notifies a slave that it has been released, and whether this was expected
* or not.
* Notifies a slave that it has been released, and why.
*/
static void
nm_device_slave_notify_release (NMDevice *dev, gboolean master_failed)
nm_device_slave_notify_release (NMDevice *dev, NMDeviceStateReason reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (dev);
NMConnection *connection = nm_device_get_connection (dev);
NMDeviceState new_state;
NMDeviceStateReason reason;
const char *master_status;
if ( priv->state > NM_DEVICE_STATE_DISCONNECTED
&& priv->state <= NM_DEVICE_STATE_ACTIVATED) {
if (master_failed) {
if (reason == NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED) {
new_state = NM_DEVICE_STATE_FAILED;
reason = NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED;
nm_log_warn (LOGD_DEVICE,
"Activation (%s) connection '%s' master failed",
nm_device_get_iface (dev),
nm_connection_get_id (connection));
master_status = "failed";
} else if (reason == NM_DEVICE_STATE_REASON_USER_REQUESTED) {
new_state = NM_DEVICE_STATE_DEACTIVATING;
master_status = "deactivated by user request";
} else {
new_state = NM_DEVICE_STATE_DISCONNECTED;
reason = NM_DEVICE_STATE_REASON_NONE;
nm_log_dbg (LOGD_DEVICE,
"Activation (%s) connection '%s' master deactivated",
nm_device_get_iface (dev),
nm_connection_get_id (connection));
master_status = "deactivated";
}
nm_log_dbg (LOGD_DEVICE,
"Activation (%s) connection '%s' master %s",
nm_device_get_iface (dev),
nm_connection_get_id (connection),
master_status);
nm_device_queue_state (dev, new_state, reason);
}
@ -4574,7 +4576,7 @@ nm_device_deactivate (NMDevice *self, NMDeviceStateReason reason)
NM_DEVICE_GET_CLASS (self)->deactivate (self);
/* master: release slaves */
nm_device_master_release_slaves (self, FALSE);
nm_device_master_release_slaves (self);
/* slave: mark no longer enslaved */
g_clear_object (&priv->master);
@ -6357,7 +6359,7 @@ nm_device_state_changed (NMDevice *device,
connection ? nm_connection_get_id (connection) : "<unknown>");
/* Notify any slaves of the unexpected failure */
nm_device_master_release_slaves (device, TRUE);
nm_device_master_release_slaves (device);
/* If the connection doesn't yet have a timestamp, set it to zero so that
* we can distinguish between connections we've tried to activate and have