diff options
Diffstat (limited to 'src/analyze')
| -rw-r--r-- | src/analyze/systemd-analyze.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/analyze/systemd-analyze.c b/src/analyze/systemd-analyze.c index 2748b3afc9..27d063c548 100644 --- a/src/analyze/systemd-analyze.c +++ b/src/analyze/systemd-analyze.c @@ -1184,6 +1184,11 @@ static int dump(DBusConnection *bus, char **args) { dbus_error_init(&error); + if (!strv_isempty(args)) { + log_error("Too many arguments."); + return -E2BIG; + } + pager_open_if_enabled(); r = bus_method_call_with_reply( @@ -1210,6 +1215,54 @@ static int dump(DBusConnection *bus, char **args) { return 0; } +static int set_log_level(DBusConnection *bus, char **args) { + _cleanup_dbus_error_free_ DBusError error; + _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL; + DBusMessageIter iter, sub; + const char* property = "LogLevel"; + const char* interface = "org.freedesktop.systemd1.Manager"; + const char* value; + + assert(bus); + assert(args); + + if (strv_length(args) != 1) { + log_error("This command expects one argument only."); + return -E2BIG; + } + + value = args[0]; + dbus_error_init(&error); + + m = dbus_message_new_method_call("org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.DBus.Properties", + "Set"); + if (!m) + return log_oom(); + + dbus_message_iter_init_append(m, &iter); + + if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &interface) || + !dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property) || + !dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, "s", &sub)) + return log_oom(); + + if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &value)) + return log_oom(); + + if (!dbus_message_iter_close_container(&iter, &sub)) + return log_oom(); + + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + log_error("Failed to issue method call: %s", bus_error_message(&error)); + return -EIO; + } + + return 0; +} + static void analyze_help(void) { pager_open_if_enabled(); @@ -1236,6 +1289,7 @@ static void analyze_help(void) { " critical-chain Print a tree of the time critical chain of units\n" " plot Output SVG graphic showing service initialization\n" " dot Output dependency graph in dot(1) format\n" + " set-log-level LEVEL Set logging threshold for systemd\n" " dump Output state serialization of service manager\n", program_invocation_short_name); @@ -1368,6 +1422,8 @@ int main(int argc, char *argv[]) { r = dot(bus, argv+optind+1); else if (streq(argv[optind], "dump")) r = dump(bus, argv+optind+1); + else if (streq(argv[optind], "set-log-level")) + r = set_log_level(bus, argv+optind+1); else log_error("Unknown operation '%s'.", argv[optind]); |