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-rw-r--r--src/systemctl/systemctl-clean-or-freeze.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-clean-or-freeze.c b/src/systemctl/systemctl-clean-or-freeze.c
new file mode 100644
index 0000000..5c15a9f
--- /dev/null
+++ b/src/systemctl/systemctl-clean-or-freeze.c
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-wait-for-units.h"
+#include "systemctl-clean-or-freeze.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+
+int verb_clean_or_freeze(int argc, char *argv[], void *userdata) {
+ _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
+ _cleanup_strv_free_ char **names = NULL;
+ int r, ret = EXIT_SUCCESS;
+ const char *method;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ polkit_agent_open_maybe();
+
+ if (!arg_clean_what) {
+ arg_clean_what = strv_new("cache", "runtime");
+ if (!arg_clean_what)
+ return log_oom();
+ }
+
+ r = expand_unit_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ if (!arg_no_block) {
+ r = bus_wait_for_units_new(bus, &w);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate unit waiter: %m");
+ }
+
+ if (streq(argv[0], "clean"))
+ method = "CleanUnit";
+ else if (streq(argv[0], "freeze"))
+ method = "FreezeUnit";
+ else if (streq(argv[0], "thaw"))
+ method = "ThawUnit";
+ else
+ assert_not_reached();
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+
+ if (w) {
+ /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
+ r = bus_call_method(bus, bus_systemd_mgr, "RefUnit", &error, NULL, "s", *name);
+ if (r < 0) {
+ log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
+ if (ret == EXIT_SUCCESS)
+ ret = r;
+ continue;
+ }
+ }
+
+ r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "s", *name);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (streq(method, "CleanUnit")) {
+ r = sd_bus_message_append_strv(m, arg_clean_what);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0) {
+ log_error_errno(r, "Failed to %s unit %s: %s", argv[0], *name, bus_error_message(&error, r));
+ if (ret == EXIT_SUCCESS) {
+ ret = r;
+ continue;
+ }
+ }
+
+ if (w) {
+ r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to watch unit %s: %m", *name);
+ }
+ }
+
+ r = bus_wait_for_units_run(w);
+ if (r < 0)
+ return log_error_errno(r, "Failed to wait for units: %m");
+ if (r == BUS_WAIT_FAILURE)
+ ret = EXIT_FAILURE;
+
+ return ret;
+}