#include "strv.h"
static const char *arg_type = NULL;
+static const char *arg_property = NULL;
static bool arg_all = false;
static bool arg_replace = false;
static bool arg_session = false;
return r;
}
+typedef struct WaitData {
+ Set *set;
+ bool failed;
+} WaitData;
+
static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
DBusError error;
- Set *s = data;
+ WaitData *d = data;
assert(connection);
assert(message);
- assert(s);
+ assert(d);
dbus_error_init(&error);
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
uint32_t id;
const char *path;
+ dbus_bool_t success = true;
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_UINT32, &id,
DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_BOOLEAN, &success,
DBUS_TYPE_INVALID))
log_error("Failed to parse message: %s", error.message);
else {
char *p;
- if ((p = set_remove(s, (char*) path)))
+ if ((p = set_remove(d->set, (char*) path)))
free(p);
+
+ if (!success)
+ d->failed = true;
}
}
static int wait_for_jobs(DBusConnection *bus, Set *s) {
int r;
+ WaitData d;
assert(bus);
assert(s);
- if (!dbus_connection_add_filter(bus, wait_filter, s, NULL)) {
+ zero(d);
+ d.set = s;
+ d.failed = false;
+
+ if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
log_error("Failed to add filter.");
r = -ENOMEM;
goto finish;
dbus_connection_read_write_dispatch(bus, -1))
;
- r = 0;
+ if (!arg_quiet && d.failed)
+ log_error("Job failed, see logs for details.");
+
+ r = d.failed ? -EIO : 0;
finish:
/* This is slightly dirty, since we don't undo the filter registration. */
if (!arg_quiet)
puts(state);
- if (streq(state, "active") || startswith(state, "active-"))
+ if (streq(state, "active") || startswith(state, "reloading"))
r = 0;
dbus_message_unref(m);
dbus_error_free(&error);
return r;
+}
+
+static int print_property(const char *name, DBusMessageIter *iter) {
+ assert(name);
+ assert(iter);
+
+ if (arg_property && !streq(name, arg_property))
+ return 0;
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_STRING: {
+ const char *s;
+ dbus_message_iter_get_basic(iter, &s);
+
+ if (arg_all || s[0])
+ printf("%s=%s\n", name, s);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_BOOLEAN: {
+ dbus_bool_t b;
+ dbus_message_iter_get_basic(iter, &b);
+ printf("%s=%s\n", name, yes_no(b));
+
+ return 0;
+ }
+
+ case DBUS_TYPE_UINT64: {
+ uint64_t u;
+ dbus_message_iter_get_basic(iter, &u);
+
+ /* Yes, heuristics! But we can change this check
+ * should it turn out to not be sufficient */
+
+ if (strstr(name, "Timestamp") || strstr(name, "Elapse")) {
+ char timestamp[FORMAT_TIMESTAMP_MAX], *t;
+
+ if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all)
+ printf("%s=%s\n", name, strempty(t));
+ } else
+ printf("%s=%llu\n", name, (unsigned long long) u);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_UINT32: {
+ uint32_t u;
+ dbus_message_iter_get_basic(iter, &u);
+
+ if (strstr(name, "UMask") || strstr(name, "Mode"))
+ printf("%s=%04o\n", name, u);
+ else
+ printf("%s=%u\n", name, (unsigned) u);
+
+ return 0;
+ }
+
+ case DBUS_TYPE_INT32: {
+ int32_t i;
+ dbus_message_iter_get_basic(iter, &i);
+
+ printf("%s=%i\n", name, (int) i);
+ return 0;
+ }
+
+ case DBUS_TYPE_STRUCT: {
+ DBusMessageIter sub;
+ dbus_message_iter_recurse(iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
+ uint32_t u;
+
+ dbus_message_iter_get_basic(&sub, &u);
+ if (u)
+ printf("%s=%u\n", name, (unsigned) u);
+ else if (arg_all)
+ printf("%s=\n", name);
+
+ return 0;
+ } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
+ const char *s;
+
+ dbus_message_iter_get_basic(&sub, &s);
+
+ if (arg_all || s[0])
+ printf("%s=%s\n", name, s);
+
+ return 0;
+ }
+
+ break;
+ }
+
+ case DBUS_TYPE_ARRAY:
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub;
+ bool space = false;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ if (arg_all ||
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ printf("%s=", name);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub, &s);
+ printf("%s%s", space ? " " : "", s);
+
+ space = true;
+ dbus_message_iter_next(&sub);
+ }
+
+ puts("");
+ }
+
+ return 0;
+
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
+ DBusMessageIter sub, sub2;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ const char *type, *path;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
+ printf("%s=%s\n", type, path);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
+ DBusMessageIter sub, sub2;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ const char *base;
+ uint64_t value, next_elapse;
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0)
+ printf("%s=%llu\n", base, (unsigned long long) value);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+ }
+
+ break;
+ }
+
+ if (arg_all)
+ printf("%s=[unprintable]\n", name);
+
+ return 0;
+}
+
+static int show_one(DBusConnection *bus, const char *path) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *interface = "";
+ int r;
+ DBusError error;
+ DBusMessageIter iter, sub, sub2, sub3;
+
+ assert(bus);
+ assert(path);
+
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *name;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+
+ if (print_property(name, &sub3) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_next(&sub);
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int show(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ int r;
+ DBusError error;
+ unsigned i;
+
+ assert(bus);
+ assert(args);
+
+ dbus_error_init(&error);
+
+ if (n <= 1) {
+ /* If not argument is specified inspect the manager
+ * itself */
+
+ r = show_one(bus, "/org/freedesktop/systemd1");
+ goto finish;
+ }
+
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+ uint32_t id;
+
+ if (safe_atou32(args[i], &id) < 0) {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "LoadUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ } else {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetJob"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if ((r = show_one(bus, path)) < 0)
+ goto finish;
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
}
static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
return r;
}
+static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ int r;
+ DBusError error;
+ unsigned i;
+
+ assert(bus);
+ assert(args);
+
+ dbus_error_init(&error);
+
+ for (i = 1; i < n; i++) {
+ const char *path = NULL;
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Snapshot",
+ "Remove"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", error.message);
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
"Send control commands to the systemd manager.\n\n"
- " -h --help Show this help\n"
- " -t --type=TYPE List only units of a particular type\n"
- " -a --all Show all units, including dead ones\n"
- " --replace When installing a new job, replace existing conflicting ones\n"
- " --system Connect to system bus\n"
- " --session Connect to session bus\n"
- " -q --quiet Suppress output\n"
- " --no-block Do not wait until operation finished\n"
- " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
+ " -h --help Show this help\n"
+ " -t --type=TYPE List only units of a particular type\n"
+ " -p --property=NAME Show only property by this name\n"
+ " -a --all Show all units/properties, including dead/empty ones\n"
+ " --replace When installing a new job, replace existing conflicting ones\n"
+ " --system Connect to system bus\n"
+ " --session Connect to session bus\n"
+ " -q --quiet Suppress output\n"
+ " --no-block Do not wait until operation finished\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
"Commands:\n"
" list-units List units\n"
- " list-jobs List jobs\n"
- " clear-jobs Cancel all jobs\n"
- " load [NAME...] Load one or more units\n"
- " cancel [JOB...] Cancel one or more jobs\n"
" start [NAME...] Start one or more units\n"
" stop [NAME...] Stop one or more units\n"
" restart [NAME...] Restart one or more units\n"
" reload [NAME...] Reload one or more units\n"
" isolate [NAME] Start one unit and stop all others\n"
" check [NAME...] Check whether any of the passed units are active\n"
+ " show [NAME...|JOB...] Show information about one or more units\n"
+ " load [NAME...] Load one or more units\n"
+ " list-jobs List jobs\n"
+ " cancel [JOB...] Cancel one or more jobs\n"
+ " clear-jobs Cancel all jobs\n"
" monitor Monitor unit/job changes\n"
" dump Dump server status\n"
" snapshot [NAME] Create a snapshot\n"
+ " delete [NAME...] Remove one or more snapshots\n"
" daemon-reload Reload systemd manager configuration\n"
" daemon-reexec Reexecute systemd manager\n"
" daemon-exit Ask the systemd manager to quit\n"
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "type", required_argument, NULL, 't' },
+ { "property", required_argument, NULL, 'p' },
{ "all", no_argument, NULL, 'a' },
{ "replace", no_argument, NULL, ARG_REPLACE },
{ "session", no_argument, NULL, ARG_SESSION },
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "htaq", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "ht:p:aq", options, NULL)) >= 0) {
switch (c) {
arg_type = optarg;
break;
+ case 'p':
+ arg_property = optarg;
+
+ /* If the user asked for a particular
+ * property, show it to him, even if it is
+ * empty. */
+ arg_all = true;
+ break;
+
case 'a':
arg_all = true;
break;
{ "restart", MORE, 2, start_unit },
{ "isolate", EQUAL, 2, start_unit },
{ "check", MORE, 2, check_unit },
+ { "show", MORE, 1, show },
{ "monitor", EQUAL, 1, monitor },
{ "dump", EQUAL, 1, dump },
{ "snapshot", LESS, 2, snapshot },
+ { "delete", MORE, 2, delete_snapshot },
{ "daemon-reload", EQUAL, 1, clear_jobs },
{ "daemon-reexec", EQUAL, 1, clear_jobs },
{ "daemon-exit", EQUAL, 1, clear_jobs },