コード例 #1
0
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);
	}
}
コード例 #2
0
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);
	}
}
コード例 #3
0
static void
dispose (GObject *object)
{
	teamd_cleanup (NM_DEVICE (object), FALSE);

	G_OBJECT_CLASS (nm_device_team_parent_class)->dispose (object);
}
コード例 #4
0
static void
teamd_dbus_vanished (GDBusConnection *connection,
                     const gchar *name,
                     gpointer user_data)
{
	NMDevice *dev = NM_DEVICE (user_data);
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (dev);

	g_return_if_fail (priv->teamd_dbus_watch);

	if (priv->teamd_timeout) {
		/* 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, until the
		 * startup timeout is over.
		 *
		 * Note that g_bus_watch_name is guaranteed to alternate vanished/appeared signals,
		 * so we won't hit this condition again (because the next signal is either 'appeared'
		 * or 'timeout'). */
		nm_log_dbg (LOGD_TEAM, "(%s): teamd vanished from D-Bus (ignored)", nm_device_get_iface (dev));
		return;
	}

	nm_log_info (LOGD_TEAM, "(%s): teamd vanished from D-Bus", nm_device_get_iface (dev));
	teamd_cleanup (dev, TRUE);
}
コード例 #5
0
static void
teamd_stop (NMDevice *dev, NMDeviceTeamPrivate *priv)
{
	if (priv->teamd_pid > 0) {
		nm_log_info (LOGD_TEAM, "Deactivation (%s) stopping teamd...",
		             nm_device_get_ip_iface (dev));
	} else {
		nm_log_dbg (LOGD_TEAM, "Deactivation (%s) stopping teamd (not started)...",
		            nm_device_get_ip_iface (dev));
	}
	teamd_cleanup (dev, FALSE);
}
コード例 #6
0
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);
	}
}
コード例 #7
0
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);
}
コード例 #8
0
static void
teamd_process_watch_cb (GPid pid, gint status, gpointer user_data)
{
	NMDevice *dev = NM_DEVICE (user_data);
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (dev);

	g_return_if_fail (priv->teamd_process_watch);

	nm_log_info (LOGD_TEAM, "(%s): teamd died", nm_device_get_iface (dev));
	priv->teamd_process_watch = 0;
	priv->teamd_pid = 0;
	teamd_cleanup (dev, TRUE);
}
コード例 #9
0
static gboolean
teamd_timeout_cb (gpointer user_data)
{
	NMDevice *dev = NM_DEVICE (user_data);
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (dev);

	g_return_val_if_fail (priv->teamd_timeout, FALSE);

	nm_log_info (LOGD_TEAM, "(%s): teamd timed out.", nm_device_get_iface (dev));
	teamd_cleanup (dev, TRUE);

	return FALSE;
}
コード例 #10
0
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;
}
コード例 #11
0
static void
dispose (GObject *object)
{
	NMDevice *device = NM_DEVICE (object);
	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (object);

	if (priv->teamd_dbus_watch) {
		g_bus_unwatch_name (priv->teamd_dbus_watch);
		priv->teamd_dbus_watch = 0;
	}

	teamd_cleanup (device, TRUE);

	G_OBJECT_CLASS (nm_device_team_parent_class)->dispose (object);
}
コード例 #12
0
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;
}
コード例 #13
0
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;
}
コード例 #14
0
static gboolean
teamd_start (NMDevice *dev, NMSettingTeam *s_team, NMDeviceTeamPrivate *priv)
{
	const char *iface = nm_device_get_ip_iface (dev);
	char *tmp_str;
	const char *config;
	const char **teamd_binary = NULL;
	static const char *teamd_paths[] = {
		"/usr/bin/teamd",
		"/usr/local/bin/teamd",
		NULL
	};
	GPtrArray *argv;
	GError *error = NULL;
	gboolean ret;
	int status;

	if (priv->teamd_dbus_watch ||
	    priv->teamd_process_watch ||
	    priv->teamd_pid > 0 ||
#if WITH_TEAMDCTL
	    priv->tdc ||
#endif
	    priv->teamd_timeout)
	{
		/* FIXME g_assert that this never hits. For now, be more reluctant, and try to recover. */
		g_warn_if_reached ();
		teamd_cleanup (dev, FALSE);
	}

	teamd_binary = teamd_paths;
	while (*teamd_binary != NULL) {
		if (g_file_test (*teamd_binary, G_FILE_TEST_EXISTS))
			break;
		teamd_binary++;
	}

	if (!*teamd_binary) {
		nm_log_warn (LOGD_TEAM,
		             "Activation (%s) failed to start teamd: teamd binary not found",
		             iface);
		return FALSE;
	}

	/* Kill teamd for same named device first if it is there */
	argv = g_ptr_array_new ();
	g_ptr_array_add (argv, (gpointer) *teamd_binary);
	g_ptr_array_add (argv, (gpointer) "-k");
	g_ptr_array_add (argv, (gpointer) "-t");
	g_ptr_array_add (argv, (gpointer) iface);
	g_ptr_array_add (argv, NULL);

	tmp_str = g_strjoinv (" ", (gchar **) argv->pdata);
	nm_log_dbg (LOGD_TEAM, "running: %s", tmp_str);
	g_free (tmp_str);

	ret = g_spawn_sync ("/", (char **) argv->pdata, NULL, 0, nm_unblock_posix_signals, NULL, NULL, NULL, &status, &error);
	g_ptr_array_free (argv, 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) "-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);

	tmp_str = g_strjoinv (" ", (gchar **) argv->pdata);
	nm_log_dbg (LOGD_TEAM, "running: %s", tmp_str);
	g_free (tmp_str);

	/* Start a timeout for teamd to appear at D-Bus */
	priv->teamd_timeout = g_timeout_add_seconds (5, teamd_timeout_cb, dev);

	/* Register D-Bus name watcher */
	tmp_str = g_strdup_printf ("org.libteam.teamd.%s", iface);
	priv->teamd_dbus_watch = g_bus_watch_name (G_BUS_TYPE_SYSTEM,
	                                           tmp_str,
	                                           G_BUS_NAME_WATCHER_FLAGS_NONE,
	                                           teamd_dbus_appeared,
	                                           teamd_dbus_vanished,
	                                           dev,
	                                           NULL);
	g_free (tmp_str);

	ret = g_spawn_async ("/", (char **) argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
	                    &teamd_child_setup, NULL, &priv->teamd_pid, &error);
	g_ptr_array_free (argv, TRUE);
	if (!ret) {
		nm_log_warn (LOGD_TEAM,
		             "Activation (%s) failed to start teamd: %s",
		             iface, error->message);
		g_clear_error (&error);
		teamd_cleanup (dev, FALSE);
		return FALSE;
	}

	/* 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,
	                                               dev);

	nm_log_info (LOGD_TEAM,
	             "Activation (%s) started teamd...", iface);
	return TRUE;
}