375 lines
11 KiB
C++
375 lines
11 KiB
C++
/*
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2005-2019 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <getopt.h>
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#include <cstdio>
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#include <iostream>
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#include "build.h"
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#include "config.h"
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#include "conky.h"
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#include "lua-config.hh"
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#ifdef BUILD_X11
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#include "x11.h"
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#endif /* BUILD_X11 */
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#ifdef BUILD_CURL
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#include "ccurl_thread.h"
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#endif /* BUILD_CURL */
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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#include "freebsd.h"
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#endif /* FreeBSD */
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#ifdef BUILD_BUILTIN_CONFIG
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#include "defconfig.h"
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#ifdef BUILD_OLD_CONFIG
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#include "convertconf.h"
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#endif /* BUILD_OLD_CONFIG */
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#endif /* BUILD_BUILTIN_CONFIG */
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static void print_version() {
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std::cout << _(PACKAGE_NAME " " VERSION " compiled " BUILD_DATE
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" for " BUILD_ARCH
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"\n"
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"\nCompiled in features:\n\n"
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"System config file: " SYSTEM_CONFIG_FILE
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"\n"
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"Package library path: " PACKAGE_LIBDIR "\n\n")
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<< _("\n General:\n")
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#ifdef HAVE_OPENMP
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<< _(" * OpenMP\n")
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#endif /* HAVE_OPENMP */
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#ifdef BUILD_MATH
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<< _(" * math\n")
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#endif /* BUILD_MATH */
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#ifdef BUILD_HDDTEMP
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<< _(" * hddtemp\n")
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#endif /* BUILD_HDDTEMP */
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#ifdef BUILD_PORT_MONITORS
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<< _(" * portmon\n")
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#endif /* BUILD_PORT_MONITORS */
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#ifdef BUILD_HTTP
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<< _(" * HTTP\n")
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#endif /* BUILD_HTTP */
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#ifdef BUILD_IPV6
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<< _(" * IPv6\n")
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#endif /* BUILD_IPV6 */
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#ifdef BUILD_IRC
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<< _(" * IRC\n")
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#endif
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#ifdef BUILD_CURL
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<< _(" * Curl\n")
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#endif /* BUILD_CURL */
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#ifdef BUILD_RSS
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<< _(" * RSS\n")
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#endif /* BUILD_RSS */
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#ifdef BUILD_ICAL
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<< _(" * ICal\n")
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#endif /* BUILD_ICAL */
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#ifdef BUILD_ICONV
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<< _(" * iconv\n")
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#endif /* BUILD_ICONV */
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#ifdef BUILD_MYSQL
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<< _(" * MySQL\n")
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#endif /* BUILD_MYSQL */
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#ifdef BUILD_WEATHER_METAR
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<< _(" * Weather (METAR)\n")
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#endif /* BUILD_WEATHER_METAR */
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#ifdef BUILD_WLAN
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<< _(" * wireless\n")
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#endif /* BUILD_WLAN */
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#ifdef BUILD_IBM
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<< _(" * support for IBM/Lenovo notebooks\n")
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#endif /* BUILD_IBM */
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#ifdef BUILD_NVIDIA
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<< _(" * nvidia\n")
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#endif /* BUILD_NVIDIA */
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#ifdef BUILD_BUILTIN_CONFIG
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<< _(" * builtin default configuration\n")
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#endif /* BUILD_BUILTIN_CONFIG */
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#ifdef BUILD_OLD_CONFIG
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<< _(" * old configuration syntax\n")
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#endif /* BUILD_OLD_CONFIG */
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#ifdef BUILD_IMLIB2
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<< _(" * Imlib2\n")
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#endif /* BUILD_IMLIB2 */
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#ifdef HAVE_SOME_SOUNDCARD_H
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<< _(" * OSS mixer support\n")
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#endif /* HAVE_SOME_SOUNDCARD_H */
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#ifdef BUILD_MIXER_ALSA
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<< _(" * ALSA mixer support\n")
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#endif /* BUILD_MIXER_ALSA */
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#ifdef BUILD_APCUPSD
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<< _(" * apcupsd\n")
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#endif /* BUILD_APCUPSD */
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#ifdef BUILD_IOSTATS
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<< _(" * iostats\n")
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#endif /* BUILD_IOSTATS */
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#ifdef BUILD_NCURSES
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<< _(" * ncurses\n")
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#endif /* BUILD_NCURSES */
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#ifdef BUILD_I18N
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<< _(" * Internationalization support\n")
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#endif
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#ifdef BUILD_PULSEAUDIO
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<< _(" * PulseAudio\n")
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#endif /* BUIL_PULSEAUDIO */
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#ifdef DEBUG
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<< _(" * Debugging extensions\n")
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#endif
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#if defined BUILD_LUA_CAIRO || defined BUILD_LUA_IMLIB2 || BUILD_LUA_RSVG
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<< _("\n Lua bindings:\n")
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#endif
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#ifdef BUILD_LUA_CAIRO
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<< _(" * Cairo\n")
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#endif /* BUILD_LUA_CAIRO */
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#ifdef BUILD_LUA_IMLIB2
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<< _(" * Imlib2\n")
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#endif /* BUILD_LUA_IMLIB2 */
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#ifdef BUILD_LUA_RSVG
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<< _(" * RSVG\n")
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#endif /* BUILD_LUA_RSVG */
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#ifdef BUILD_X11
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<< _(" X11:\n")
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#ifdef BUILD_XDAMAGE
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<< _(" * Xdamage extension\n")
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#endif /* BUILD_XDAMAGE */
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#ifdef BUILD_XINERAMA
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<< _(" * Xinerama extension (virtual display)\n")
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#endif /* BUILD_XINERAMA */
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#ifdef BUILD_XSHAPE
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<< _(" * Xshape extension (click through)\n")
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#endif /* BUILD_XSHAPE */
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#ifdef BUILD_XDBE
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<< _(" * XDBE (double buffer extension)\n")
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#endif /* BUILD_XDBE */
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#ifdef BUILD_XFT
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<< _(" * Xft\n")
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#endif /* BUILD_XFT */
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#ifdef BUILD_ARGB
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<< _(" * ARGB visual\n")
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#endif /* BUILD_ARGB */
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#ifdef OWN_WINDOW
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<< _(" * Own window\n")
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#endif
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#endif /* BUILD_X11 */
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#if defined BUILD_AUDACIOUS || defined BUILD_CMUS || defined BUILD_MPD || \
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defined BUILD_MOC || defined BUILD_XMMS2
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<< _("\n Music detection:\n")
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#endif
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#ifdef BUILD_AUDACIOUS
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<< _(" * Audacious\n")
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#endif /* BUILD_AUDACIOUS */
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#ifdef BUILD_CMUS
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<< _(" * CMUS\n")
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#endif /* BUILD_CMUS */
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#ifdef BUILD_MPD
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<< _(" * MPD\n")
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#endif /* BUILD_MPD */
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#ifdef BUILD_MOC
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<< _(" * MOC\n")
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#endif /* BUILD_MOC */
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#ifdef BUILD_XMMS2
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<< _(" * XMMS2\n")
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#endif /* BUILD_XMMS2 */
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<< _("\n Default values:\n") << " * Netdevice: " DEFAULTNETDEV "\n"
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<< " * Local configfile: " CONFIG_FILE "\n"
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#ifdef BUILD_I18N
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<< " * Localedir: " LOCALE_DIR "\n"
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#endif /* BUILD_I18N */
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#ifdef BUILD_HTTP
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<< " * HTTP-port: " << HTTPPORT << "\n"
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#endif /* BUILD_HTTP */
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<< " * Maximum netdevices: " << MAX_NET_INTERFACES << "\n"
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<< " * Maximum text size: " << MAX_USER_TEXT_DEFAULT << "\n"
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<< " * Size text buffer: " << DEFAULT_TEXT_BUFFER_SIZE << "\n";
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}
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static void print_help(const char *prog_name) {
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printf("Usage: %s [OPTION]...\n" PACKAGE_NAME
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" is a system monitor that renders text on desktop or to own "
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"transparent\n"
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"window. Command line options will override configurations defined in "
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"config\n"
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"file.\n"
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" -v, --version version\n"
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" -q, --quiet quiet mode\n"
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" -D, --debug increase debugging output, ie. -DD for "
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"more debugging\n"
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" -c, --config=FILE config file to load\n"
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#ifdef BUILD_BUILTIN_CONFIG
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" -C, --print-config print the builtin default config to "
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"stdout\n"
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" e.g. 'conky -C > ~/.conkyrc' will "
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"create a new default config\n"
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#endif
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" -d, --daemonize daemonize, fork to background\n"
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" -h, --help help\n"
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#ifdef BUILD_X11
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" -a, --alignment=ALIGNMENT text alignment on screen, "
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"{top,bottom,middle}_{left,right,middle}\n"
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" -X, --display=DISPLAY X11 display to use\n"
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" -m, --xinerama-head=N Xinerama monitor index (0=first)\n"
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" -f, --font=FONT font to use\n"
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#ifdef OWN_WINDOW
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" -o, --own-window create own window to draw\n"
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#endif
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" -b, --double-buffer double buffer (prevents flickering)\n"
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" -w, --window-id=WIN_ID window id to draw\n"
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" -x X x position\n"
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" -y Y y position\n"
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#endif /* BUILD_X11 */
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" -t, --text=TEXT text to render, remember single quotes, "
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"like -t '$uptime'\n"
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" -u, --interval=SECS update interval\n"
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" -i COUNT number of times to update " PACKAGE_NAME
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" (and quit)\n"
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" -p, --pause=SECS pause for SECS seconds at startup "
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"before doing anything\n",
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prog_name);
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}
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inline void reset_optind() {
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
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defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
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optind = optreset = 1;
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#else
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optind = 0;
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#endif
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}
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int main(int argc, char **argv) {
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#ifdef BUILD_I18N
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE_NAME, LOCALE_DIR);
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textdomain(PACKAGE_NAME);
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#endif
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argc_copy = argc;
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argv_copy = argv;
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g_sigterm_pending = 0;
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g_sighup_pending = 0;
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g_sigusr2_pending = 0;
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#ifdef BUILD_CURL
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struct curl_global_initializer {
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curl_global_initializer() {
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if (curl_global_init(CURL_GLOBAL_ALL))
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NORM_ERR(
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"curl_global_init() failed, you may not be able to use curl "
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"variables");
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}
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~curl_global_initializer() { curl_global_cleanup(); }
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};
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curl_global_initializer curl_global;
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#endif
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/* handle command line parameters that don't change configs */
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#ifdef BUILD_X11
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if (!setlocale(LC_CTYPE, "")) {
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NORM_ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL.");
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}
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#endif /* BUILD_X11 */
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while (1) {
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int c = getopt_long(argc, argv, getopt_string, longopts, nullptr);
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if (c == -1) { break; }
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switch (c) {
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case 'D':
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global_debug_level++;
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break;
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case 'v':
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case 'V':
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print_version();
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return EXIT_SUCCESS;
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case 'c':
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current_config = optarg;
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break;
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case 'q':
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if (freopen("/dev/null", "w", stderr) == nullptr)
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CRIT_ERR(nullptr, nullptr, "could not open /dev/null as stderr!");
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break;
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case 'h':
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print_help(argv[0]);
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return 0;
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#ifdef BUILD_BUILTIN_CONFIG
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case 'C':
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std::cout << defconfig;
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return 0;
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#endif
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#ifdef BUILD_X11
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case 'w':
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window.window = strtol(optarg, nullptr, 0);
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break;
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#endif /* BUILD_X11 */
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case '?':
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return EXIT_FAILURE;
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}
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}
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try {
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set_current_config();
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state = std::make_unique<lua::state>();
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conky::export_symbols(*state);
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setup_inotify();
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initialisation(argc, argv);
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first_pass = 0; /* don't ever call fork() again */
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main_loop();
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} catch (fork_throw &e) {
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return EXIT_SUCCESS;
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} catch (unknown_arg_throw &e) {
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return EXIT_FAILURE;
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} catch (obj_create_error &e) {
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std::cerr << e.what() << std::endl;
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clean_up(nullptr, nullptr);
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return EXIT_FAILURE;
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} catch (std::exception &e) {
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std::cerr << PACKAGE_NAME ": " << e.what() << std::endl;
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return EXIT_FAILURE;
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}
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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kvm_close(kd);
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#endif
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#ifdef LEAKFREE_NCURSES
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_nc_free_and_exit(0); // hide false memleaks
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#endif
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return 0;
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}
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