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/*-*- Mode: C; c-basic-offset: 8 -*-*/
/***
This file is part of RealtimeKit.
Copyright 2009 Lennart Poettering
RealtimeKit is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RealtimeKit is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with RealtimeKit. If not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <getopt.h>
#include <stdio.h>
#include "rtkit.h"
static char* get_file_name(const char *p) {
char *e;
if ((e = strrchr(p, '/')))
return e + 1;
else
return (char*) p;
}
static void show_help(const char *exe) {
printf("%s [options]\n\n"
" -h, --help Show this help\n"
" --version Show version\n\n"
" --reset-known Reset real-time status of known threads\n"
" --reset-all Reset real-time status of all threads\n"
" --start Start RealtimeKit if it is not running already\n"
" -k, --exit Terminate running RealtimeKit daemon\n",
exe);
}
int main (int argc, char*argv[]) {
enum {
ARG_HELP = 256,
ARG_VERSION,
ARG_START,
ARG_EXIT,
ARG_RESET_KNOWN,
ARG_RESET_ALL,
};
static const struct option long_options[] = {
{ "help", no_argument, 0, ARG_HELP },
{ "version", no_argument, 0, ARG_VERSION },
{ "start", no_argument, 0, ARG_START },
{ "exit", no_argument, 0, ARG_EXIT },
{ "reset-known", no_argument, 0, ARG_RESET_KNOWN },
{ "reset-all", no_argument, 0, ARG_RESET_ALL },
{ NULL, 0, 0, 0}
};
enum {
OPERATION_START,
OPERATION_EXIT,
OPERATION_RESET_KNOWN,
OPERATION_RESET_ALL,
_OPERATION_MAX
};
static const char *method[_OPERATION_MAX] = {
[OPERATION_START] = "StartServiceByName",
[OPERATION_EXIT] = "Exit",
[OPERATION_RESET_KNOWN] = "ResetKnown",
[OPERATION_RESET_ALL] = "ResetAll"
};
DBusError error;
DBusConnection *bus = NULL;
int operation = -1;
int ret = 1;
DBusMessage *m = NULL, *r = NULL;
int c;
dbus_error_init(&error);
while ((c = getopt_long(argc, argv, "hk", long_options, NULL)) >= 0) {
switch (c) {
case 'h':
case ARG_HELP:
show_help(get_file_name(argv[0]));
ret = 0;
goto finish;
case ARG_VERSION:
printf("%s " PACKAGE_VERSION "\n", get_file_name(argv[0]));
ret = 0;
goto finish;
case ARG_START:
operation = OPERATION_START;
break;
case 'k':
case ARG_EXIT:
operation = OPERATION_EXIT;
break;
case ARG_RESET_KNOWN:
operation = OPERATION_RESET_KNOWN;
break;
case ARG_RESET_ALL:
operation = OPERATION_RESET_ALL;
break;
case '?':
default:
fprintf(stderr, "Unknown command.\n");
goto finish;
}
}
if (optind < argc) {
fprintf(stderr, "Too many arguments.\n");
goto finish;
}
if (operation < 0) {
fprintf(stderr, "Need to specify operation.\n");
goto finish;
}
if (!(bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
fprintf(stderr, "Failed to connect to system bus: %s\n", error.message);
goto finish;
}
if (operation == OPERATION_START) {
const char *service = RTKIT_SERVICE_NAME;
dbus_uint32_t flags = 0;
if (!(m = dbus_message_new_method_call(
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
method[operation]))) {
fprintf(stderr, "Failed to allocated message.\n");
goto finish;
}
if (!(dbus_message_append_args(
m,
DBUS_TYPE_STRING, &service,
DBUS_TYPE_UINT32, &flags,
DBUS_TYPE_INVALID))) {
fprintf(stderr, "Failed to append to message.\n");
goto finish;
}
} else {
if (!(m = dbus_message_new_method_call(
RTKIT_SERVICE_NAME,
RTKIT_OBJECT_PATH,
"org.freedesktop.RealtimeKit1",
method[operation]))) {
fprintf(stderr, "Failed to allocated message.\n");
goto finish;
}
}
if (!(r = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
fprintf(stderr, "Failed to send %s request: %s\n", method[operation], error.message);
goto finish;
}
if (dbus_set_error_from_message(&error, r)) {
fprintf(stderr, "%s request failed: %s\n", method[operation], error.message);
goto finish;
}
ret = 0;
finish:
if (m)
dbus_message_unref(m);
if (r)
dbus_message_unref(r);
if (bus)
dbus_connection_unref(bus);
return ret;
}
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