static void
teamd_process_watch_cb (GPid pid, gint status, gpointer user_data)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (user_data);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
NMDevice *device = NM_DEVICE (self);
NMDeviceState state = nm_device_get_state (device);
g_return_if_fail (priv->teamd_process_watch);
_LOGD (LOGD_TEAM, "teamd died with status %d", status);
priv->teamd_pid = 0;
priv->teamd_process_watch = 0;
/* If teamd quit within 5 seconds of starting, it's probably hosed
* and will just die again, so fail the activation.
*/
if (priv->teamd_timeout &&
(state >= NM_DEVICE_STATE_PREPARE) &&
(state <= NM_DEVICE_STATE_ACTIVATED)) {
_LOGW (LOGD_TEAM, "teamd process quit unexpectedly; failing activation");
teamd_cleanup (device, TRUE);
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED);
}
}
static void
get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
NMDeviceTeam *device = NM_DEVICE_TEAM (object);
_nm_object_ensure_inited (NM_OBJECT (object));
switch (prop_id) {
case PROP_HW_ADDRESS:
g_value_set_string (value, nm_device_team_get_hw_address (device));
break;
case PROP_CARRIER:
g_value_set_boolean (value, nm_device_team_get_carrier (device));
break;
case PROP_SLAVES:
g_value_set_boxed (value, nm_device_team_get_slaves (device));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
release_slave (NMDevice *device,
NMDevice *slave,
gboolean configure)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
gboolean success, no_firmware = FALSE;
if (configure) {
success = nm_platform_link_release (NM_PLATFORM_GET,
nm_device_get_ip_ifindex (device),
nm_device_get_ip_ifindex (slave));
if (success)
_LOGI (LOGD_TEAM, "released team port %s", nm_device_get_ip_iface (slave));
else
_LOGW (LOGD_TEAM, "failed to release team port %s", nm_device_get_ip_iface (slave));
/* Kernel team code "closes" the port when releasing it, (which clears
* IFF_UP), so we must bring it back up here to ensure carrier changes and
* other state is noticed by the now-released port.
*/
if (!nm_device_bring_up (slave, TRUE, &no_firmware))
_LOGW (LOGD_TEAM, "released team port %s could not be brought up",
nm_device_get_ip_iface (slave));
} else
_LOGI (LOGD_TEAM, "team port %s was released", nm_device_get_ip_iface (slave));
}
static void
update_connection (NMDevice *device, NMConnection *connection)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMSettingTeam *s_team = nm_connection_get_setting_team (connection);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
if (!s_team) {
s_team = (NMSettingTeam *) nm_setting_team_new ();
nm_connection_add_setting (connection, (NMSetting *) s_team);
}
g_object_set (G_OBJECT (s_team), NM_SETTING_TEAM_CONFIG, NULL, NULL);
if (priv->tdc) {
const char *config = NULL;
int err;
err = teamdctl_config_get_raw_direct (NM_DEVICE_TEAM_GET_PRIVATE (device)->tdc,
(char **)&config);
if (err == 0)
g_object_set (G_OBJECT (s_team), NM_SETTING_TEAM_CONFIG, config, NULL);
else
_LOGE (LOGD_TEAM, "failed to read teamd config (err=%d)", err);
}
}
static void
teamd_dbus_vanished (GDBusConnection *dbus_connection,
const gchar *name,
gpointer user_data)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (user_data);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
NMDevice *device = NM_DEVICE (self);
NMDeviceState state = nm_device_get_state (device);
g_return_if_fail (priv->teamd_dbus_watch);
if (!priv->tdc) {
/* g_bus_watch_name will always raise an initial signal, to indicate whether the
* name exists/not exists initially. Do not take this as a failure if it hadn't
* previously appeared.
*/
_LOGD (LOGD_TEAM, "teamd not on D-Bus (ignored)");
return;
}
_LOGI (LOGD_TEAM, "teamd vanished from D-Bus");
teamd_cleanup (device, TRUE);
/* Attempt to respawn teamd */
if (state >= NM_DEVICE_STATE_PREPARE && state <= NM_DEVICE_STATE_ACTIVATED) {
NMConnection *connection = nm_device_get_applied_connection (device);
g_assert (connection);
if (!teamd_start (device, nm_connection_get_setting_team (connection)))
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED);
}
}
static gboolean
enslave_slave (NMDevice *device,
NMDevice *slave,
NMConnection *connection,
gboolean configure)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (device);
gboolean success = TRUE, no_firmware = FALSE;
const char *slave_iface = nm_device_get_ip_iface (slave);
NMSettingTeamPort *s_team_port;
nm_device_master_check_slave_physical_port (device, slave, LOGD_TEAM);
if (configure) {
nm_device_take_down (slave, TRUE);
s_team_port = nm_connection_get_setting_team_port (connection);
if (s_team_port) {
const char *config = nm_setting_team_port_get_config (s_team_port);
if (config) {
if (!priv->tdc) {
_LOGW (LOGD_TEAM, "enslaved team port %s config not changed, not connected to teamd",
slave_iface);
} else {
int err;
char *sanitized_config;
sanitized_config = g_strdelimit (g_strdup (config), "\r\n", ' ');
err = teamdctl_port_config_update_raw (priv->tdc, slave_iface, sanitized_config);
g_free (sanitized_config);
if (err != 0) {
_LOGE (LOGD_TEAM, "failed to update config for port %s (err=%d)",
slave_iface, err);
return FALSE;
}
}
}
}
success = nm_platform_link_enslave (NM_PLATFORM_GET,
nm_device_get_ip_ifindex (device),
nm_device_get_ip_ifindex (slave));
nm_device_bring_up (slave, TRUE, &no_firmware);
if (!success)
return FALSE;
_LOGI (LOGD_TEAM, "enslaved team port %s", slave_iface);
} else
_LOGI (LOGD_TEAM, "team port %s was enslaved", slave_iface);
g_object_notify (G_OBJECT (device), NM_DEVICE_TEAM_SLAVES);
return TRUE;
}
static void
constructed (GObject *object)
{
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (object);
G_OBJECT_CLASS (nm_device_team_parent_class)->constructed (object);
priv->proxy = _nm_object_new_proxy (NM_OBJECT (object), NULL, NM_DBUS_INTERFACE_DEVICE_TEAM);
register_properties (NM_DEVICE_TEAM (object));
}
static void
teamd_dbus_appeared (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (user_data);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
NMDevice *device = NM_DEVICE (self);
gboolean success;
g_return_if_fail (priv->teamd_dbus_watch);
_LOGI (LOGD_TEAM, "teamd appeared on D-Bus");
nm_device_queue_recheck_assume (device);
/* If another teamd grabbed the bus name while our teamd was starting,
* just ignore the death of our teamd and run with the existing one.
*/
if (priv->teamd_process_watch) {
gs_unref_variant GVariant *ret = NULL;
guint32 pid;
ret = g_dbus_connection_call_sync (connection,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"GetConnectionUnixProcessID",
g_variant_new ("(s)", name_owner),
NULL,
G_DBUS_CALL_FLAGS_NO_AUTO_START,
2000,
NULL,
NULL);
g_variant_get (ret, "(u)", &pid);
if (pid != priv->teamd_pid)
teamd_cleanup (device, FALSE);
}
/* Grab a teamd control handle even if we aren't going to use it
* immediately. But if we are, and grabbing it failed, fail the
* device activation.
*/
success = ensure_teamd_connection (device);
if (nm_device_get_state (device) == NM_DEVICE_STATE_PREPARE) {
if (success)
nm_device_activate_schedule_stage2_device_config (device);
else if (!nm_device_uses_assumed_connection (device))
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED);
}
}
static void
deactivate (NMDevice *device)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
if (priv->teamd_pid || priv->tdc)
_LOGI (LOGD_TEAM, "deactivation: stopping teamd...");
if (!priv->teamd_pid)
teamd_kill (self, NULL, NULL);
teamd_cleanup (device, TRUE);
}
static NMActStageReturn
act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
gs_free_error GError *error = NULL;
NMConnection *connection;
NMSettingTeam *s_team;
const char *cfg;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_team_parent_class)->act_stage1_prepare (device, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
connection = nm_device_get_applied_connection (device);
g_assert (connection);
s_team = nm_connection_get_setting_team (connection);
g_assert (s_team);
if (priv->tdc) {
/* If the existing teamd config is the same as we're about to use,
* then we can proceed. If it's not the same, and we have a PID,
* kill it so we can respawn it with the right config. If we don't
* have a PID, then we must fail.
*/
cfg = teamdctl_config_get_raw (priv->tdc);
if (cfg && strcmp (cfg, nm_setting_team_get_config (s_team)) == 0) {
_LOGD (LOGD_TEAM, "using existing matching teamd config");
return NM_ACT_STAGE_RETURN_SUCCESS;
}
if (!priv->teamd_pid) {
_LOGD (LOGD_TEAM, "existing teamd config mismatch; killing existing via teamdctl");
if (!teamd_kill (self, NULL, &error)) {
_LOGW (LOGD_TEAM, "existing teamd config mismatch; failed to kill existing teamd: %s", error->message);
*reason = NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
}
_LOGD (LOGD_TEAM, "existing teamd config mismatch; respawning...");
teamd_cleanup (device, TRUE);
}
return teamd_start (device, s_team) ?
NM_ACT_STAGE_RETURN_POSTPONE : NM_ACT_STAGE_RETURN_FAILURE;
}
static gboolean
teamd_timeout_cb (gpointer user_data)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (user_data);
NMDevice *device = NM_DEVICE (self);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (device);
g_return_val_if_fail (priv->teamd_timeout, FALSE);
priv->teamd_timeout = 0;
if (priv->teamd_pid && !priv->tdc) {
/* Timed out launching our own teamd process */
_LOGW (LOGD_TEAM, "teamd timed out.");
teamd_cleanup (device, TRUE);
g_warn_if_fail (nm_device_is_activating (device));
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED);
}
return G_SOURCE_REMOVE;
}
static gboolean
ensure_teamd_connection (NMDevice *device)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
int err;
if (priv->tdc)
return TRUE;
priv->tdc = teamdctl_alloc ();
g_assert (priv->tdc);
err = teamdctl_connect (priv->tdc, nm_device_get_iface (device), NULL, NULL);
if (err != 0) {
_LOGE (LOGD_TEAM, "failed to connect to teamd (err=%d)", err);
teamdctl_free (priv->tdc);
priv->tdc = NULL;
}
return !!priv->tdc;
}
static const char *
get_hw_address (NMDevice *device)
{
return nm_device_team_get_hw_address (NM_DEVICE_TEAM (device));
}
static gboolean
teamd_start (NMDevice *device, NMSettingTeam *s_team)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
const char *iface = nm_device_get_ip_iface (device);
gs_unref_ptrarray GPtrArray *argv = NULL;
gs_free_error GError *error = NULL;
gs_free char *tmp_str = NULL;
const char *teamd_binary;
const char *config;
teamd_binary = nm_utils_find_helper ("teamd", NULL, NULL);
if (!teamd_binary) {
_LOGW (LOGD_TEAM, "Activation: (team) failed to start teamd: teamd binary not found");
return FALSE;
}
if (priv->teamd_process_watch || priv->teamd_pid > 0 || priv->tdc) {
g_warn_if_reached ();
if (!priv->teamd_pid)
teamd_kill (self, teamd_binary, NULL);
teamd_cleanup (device, TRUE);
}
/* Start teamd now */
argv = g_ptr_array_new ();
g_ptr_array_add (argv, (gpointer) teamd_binary);
g_ptr_array_add (argv, (gpointer) "-o");
g_ptr_array_add (argv, (gpointer) "-n");
g_ptr_array_add (argv, (gpointer) "-U");
g_ptr_array_add (argv, (gpointer) "-D");
g_ptr_array_add (argv, (gpointer) "-N");
g_ptr_array_add (argv, (gpointer) "-t");
g_ptr_array_add (argv, (gpointer) iface);
config = nm_setting_team_get_config(s_team);
if (config) {
g_ptr_array_add (argv, (gpointer) "-c");
g_ptr_array_add (argv, (gpointer) config);
}
if (nm_logging_enabled (LOGL_DEBUG, LOGD_TEAM))
g_ptr_array_add (argv, (gpointer) "-gg");
g_ptr_array_add (argv, NULL);
_LOGD (LOGD_TEAM, "running: %s", (tmp_str = g_strjoinv (" ", (gchar **) argv->pdata)));
if (!g_spawn_async ("/", (char **) argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
nm_utils_setpgid, NULL, &priv->teamd_pid, &error)) {
_LOGW (LOGD_TEAM, "Activation: (team) failed to start teamd: %s", error->message);
teamd_cleanup (device, TRUE);
return FALSE;
}
/* Start a timeout for teamd to appear at D-Bus */
if (!priv->teamd_timeout)
priv->teamd_timeout = g_timeout_add_seconds (5, teamd_timeout_cb, device);
/* Monitor the child process so we know when it dies */
priv->teamd_process_watch = g_child_watch_add (priv->teamd_pid,
teamd_process_watch_cb,
device);
_LOGI (LOGD_TEAM, "Activation: (team) started teamd [pid %u]...", (guint) priv->teamd_pid);
return TRUE;
}
