mirror of
https://github.com/VDR4Arch/vdr.git
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530 lines
21 KiB
C
530 lines
21 KiB
C
/*
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* vdr.c: Video Disk Recorder main program
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*
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* Copyright (C) 2000 Klaus Schmidinger
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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* The author can be reached at kls@cadsoft.de
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*
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* The project's page is at http://www.cadsoft.de/people/kls/vdr
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*
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* $Id: vdr.c 1.97 2002/02/24 12:55:10 kls Exp $
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*/
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#include <getopt.h>
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#include <locale.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "config.h"
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#include "dvbapi.h"
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#include "eit.h"
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#include "i18n.h"
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#include "interface.h"
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#include "menu.h"
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#include "recording.h"
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#include "tools.h"
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#include "videodir.h"
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#ifdef REMOTE_KBD
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#define KEYS_CONF "keys-pc.conf"
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#else
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#define KEYS_CONF "keys.conf"
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#endif
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#define ACTIVITYTIMEOUT 60 // seconds before starting housekeeping
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#define SHUTDOWNWAIT 300 // seconds to wait in user prompt before automatic shutdown
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#define MANUALSTART 600 // seconds the next timer must be in the future to assume manual start
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#define VOLUMEDELTA 5 // used to increase/decrease the volume
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static int Interrupted = 0;
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static void SignalHandler(int signum)
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{
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if (signum != SIGPIPE) {
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Interrupted = signum;
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Interface->Interrupt();
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}
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signal(signum, SignalHandler);
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}
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static void Watchdog(int signum)
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{
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// Something terrible must have happened that prevented the 'alarm()' from
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// being called in time, so let's get out of here:
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esyslog(LOG_ERR, "PANIC: watchdog timer expired - exiting!");
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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// Initiate locale:
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setlocale(LC_ALL, "");
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// Command line options:
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#define DEFAULTSVDRPPORT 2001
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#define DEFAULTWATCHDOG 0 // seconds
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int SVDRPport = DEFAULTSVDRPPORT;
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const char *ConfigDirectory = NULL;
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bool DaemonMode = false;
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int WatchdogTimeout = DEFAULTWATCHDOG;
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const char *Terminal = NULL;
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const char *Shutdown = NULL;
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static struct option long_options[] = {
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{ "audio", required_argument, NULL, 'a' },
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{ "config", required_argument, NULL, 'c' },
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{ "daemon", no_argument, NULL, 'd' },
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{ "device", required_argument, NULL, 'D' },
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{ "epgfile", required_argument, NULL, 'E' },
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{ "help", no_argument, NULL, 'h' },
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{ "log", required_argument, NULL, 'l' },
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{ "port", required_argument, NULL, 'p' },
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{ "record", required_argument, NULL, 'r' },
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{ "shutdown", required_argument, NULL, 's' },
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{ "terminal", required_argument, NULL, 't' },
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{ "video", required_argument, NULL, 'v' },
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{ "watchdog", required_argument, NULL, 'w' },
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{ NULL }
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};
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int c;
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int option_index = 0;
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while ((c = getopt_long(argc, argv, "a:c:dD:E:hl:p:r:s:t:v:w:", long_options, &option_index)) != -1) {
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switch (c) {
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case 'a': cDvbApi::SetAudioCommand(optarg);
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break;
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case 'c': ConfigDirectory = optarg;
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break;
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case 'd': DaemonMode = true; break;
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case 'D': if (isnumber(optarg)) {
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int n = atoi(optarg);
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if (0 <= n && n < MAXDVBAPI) {
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cDvbApi::SetUseDvbApi(n);
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break;
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}
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}
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fprintf(stderr, "vdr: invalid DVB device number: %s\n", optarg);
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return 2;
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break;
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case 'E': cSIProcessor::SetEpgDataFileName(*optarg != '-' ? optarg : NULL);
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break;
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case 'h': printf("Usage: vdr [OPTION]\n\n" // for easier orientation, this is column 80|
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" -a CMD, --audio=CMD send Dolby Digital audio to stdin of command CMD\n"
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" -c DIR, --config=DIR read config files from DIR (default is to read them\n"
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" from the video directory)\n"
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" -d, --daemon run in daemon mode\n"
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" -D NUM, --device=NUM use only the given DVB device (NUM = 0, 1, 2...)\n"
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" there may be several -D options (default: all DVB\n"
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" devices will be used)\n"
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" -E FILE --epgfile=FILE write the EPG data into the given FILE (default is\n"
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" %s); use '-E-' to disable this\n"
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" if FILE is a directory, the default EPG file will be\n"
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" created in that directory\n"
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" -h, --help display this help and exit\n"
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" -l LEVEL, --log=LEVEL set log level (default: 3)\n"
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" 0 = no logging, 1 = errors only,\n"
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" 2 = errors and info, 3 = errors, info and debug\n"
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" -p PORT, --port=PORT use PORT for SVDRP (default: %d)\n"
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" 0 turns off SVDRP\n"
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" -r CMD, --record=CMD call CMD before and after a recording\n"
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" -s CMD, --shutdown=CMD call CMD to shutdown the computer\n"
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" -t TTY, --terminal=TTY controlling tty\n"
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" -v DIR, --video=DIR use DIR as video directory (default: %s)\n"
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" -w SEC, --watchdog=SEC activate the watchdog timer with a timeout of SEC\n"
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" seconds (default: %d); '0' disables the watchdog\n"
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"\n"
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"Report bugs to <vdr-bugs@cadsoft.de>\n",
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cSIProcessor::GetEpgDataFileName() ? cSIProcessor::GetEpgDataFileName() : "'-'",
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DEFAULTSVDRPPORT,
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VideoDirectory,
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DEFAULTWATCHDOG
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);
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return 0;
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break;
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case 'l': if (isnumber(optarg)) {
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int l = atoi(optarg);
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if (0 <= l && l <= 3) {
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SysLogLevel = l;
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break;
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}
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}
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fprintf(stderr, "vdr: invalid log level: %s\n", optarg);
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return 2;
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break;
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case 'p': if (isnumber(optarg))
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SVDRPport = atoi(optarg);
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else {
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fprintf(stderr, "vdr: invalid port number: %s\n", optarg);
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return 2;
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}
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break;
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case 'r': cRecordingUserCommand::SetCommand(optarg);
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break;
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case 's': Shutdown = optarg;
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break;
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case 't': Terminal = optarg;
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break;
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case 'v': VideoDirectory = optarg;
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while (optarg && *optarg && optarg[strlen(optarg) - 1] == '/')
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optarg[strlen(optarg) - 1] = 0;
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break;
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case 'w': if (isnumber(optarg)) {
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int t = atoi(optarg);
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if (t >= 0) {
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WatchdogTimeout = t;
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break;
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}
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}
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fprintf(stderr, "vdr: invalid watchdog timeout: %s\n", optarg);
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return 2;
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break;
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default: return 2;
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}
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}
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// Log file:
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if (SysLogLevel > 0)
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openlog("vdr", LOG_PID | LOG_CONS, LOG_USER);
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// Check the video directory:
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if (!DirectoryOk(VideoDirectory, true)) {
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fprintf(stderr, "vdr: can't access video directory %s\n", VideoDirectory);
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return 2;
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}
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// Daemon mode:
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if (DaemonMode) {
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#if !defined(DEBUG_OSD) && !defined(REMOTE_KBD)
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pid_t pid = fork();
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if (pid < 0) {
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fprintf(stderr, "%m\n");
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esyslog(LOG_ERR, "ERROR: %m");
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return 2;
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}
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if (pid != 0)
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return 0; // initial program immediately returns
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fclose(stdin);
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fclose(stdout);
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fclose(stderr);
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#else
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fprintf(stderr, "vdr: can't run in daemon mode with DEBUG_OSD or REMOTE_KBD on!\n");
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return 2;
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#endif
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}
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else if (Terminal) {
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// Claim new controlling terminal
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stdin = freopen(Terminal, "r", stdin);
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stdout = freopen(Terminal, "w", stdout);
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stderr = freopen(Terminal, "w", stderr);
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}
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isyslog(LOG_INFO, "VDR version %s started", VDRVERSION);
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// Configuration data:
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if (!ConfigDirectory)
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ConfigDirectory = VideoDirectory;
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Setup.Load(AddDirectory(ConfigDirectory, "setup.conf"));
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Channels.Load(AddDirectory(ConfigDirectory, "channels.conf"));
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Timers.Load(AddDirectory(ConfigDirectory, "timers.conf"));
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Commands.Load(AddDirectory(ConfigDirectory, "commands.conf"));
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SVDRPhosts.Load(AddDirectory(ConfigDirectory, "svdrphosts.conf"), true);
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#if defined(REMOTE_LIRC)
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Keys.SetDummyValues();
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#elif !defined(REMOTE_NONE)
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bool KeysLoaded = Keys.Load(AddDirectory(ConfigDirectory, KEYS_CONF));
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#endif
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// DVB interfaces:
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if (!cDvbApi::Init())
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return 2;
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cDvbApi::SetPrimaryDvbApi(Setup.PrimaryDVB);
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cSIProcessor::Read();
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Channels.SwitchTo(Setup.CurrentChannel);
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cDvbApi::PrimaryDvbApi->SetVolume(Setup.CurrentVolume, true);
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cEITScanner EITScanner;
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// User interface:
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Interface = new cInterface(SVDRPport);
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#if !defined(REMOTE_LIRC) && !defined(REMOTE_NONE)
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if (!KeysLoaded)
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Interface->LearnKeys();
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#endif
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// Signal handlers:
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if (signal(SIGHUP, SignalHandler) == SIG_IGN) signal(SIGHUP, SIG_IGN);
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if (signal(SIGINT, SignalHandler) == SIG_IGN) signal(SIGINT, SIG_IGN);
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if (signal(SIGTERM, SignalHandler) == SIG_IGN) signal(SIGTERM, SIG_IGN);
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if (signal(SIGPIPE, SignalHandler) == SIG_IGN) signal(SIGPIPE, SIG_IGN);
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if (WatchdogTimeout > 0)
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if (signal(SIGALRM, Watchdog) == SIG_IGN) signal(SIGALRM, SIG_IGN);
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// Main program loop:
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cOsdBase *Menu = NULL;
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cReplayControl *ReplayControl = NULL;
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int LastChannel = -1;
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int PreviousChannel = cDvbApi::CurrentChannel();
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time_t LastActivity = 0;
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int MaxLatencyTime = 0;
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bool ForceShutdown = false;
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if (WatchdogTimeout > 0) {
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dsyslog(LOG_INFO, "setting watchdog timer to %d seconds", WatchdogTimeout);
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alarm(WatchdogTimeout); // Initial watchdog timer start
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}
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while (!Interrupted) {
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// Handle emergency exits:
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if (cThread::EmergencyExit()) {
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esyslog(LOG_ERR, "emergency exit requested - shutting down");
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break;
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}
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// Restart the Watchdog timer:
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if (WatchdogTimeout > 0) {
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int LatencyTime = WatchdogTimeout - alarm(WatchdogTimeout);
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if (LatencyTime > MaxLatencyTime) {
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MaxLatencyTime = LatencyTime;
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dsyslog(LOG_INFO, "max. latency time %d seconds", MaxLatencyTime);
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}
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}
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// Channel display:
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if (!EITScanner.Active() && cDvbApi::CurrentChannel() != LastChannel) {
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if (!Menu)
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Menu = new cDisplayChannel(cDvbApi::CurrentChannel(), LastChannel > 0);
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if (LastChannel > 0)
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PreviousChannel = LastChannel;
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LastChannel = cDvbApi::CurrentChannel();
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}
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// Timers and Recordings:
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if (!Menu) {
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time_t Now = time(NULL); // must do both following calls with the exact same time!
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cRecordControls::Process(Now);
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cTimer *Timer = Timers.GetMatch(Now);
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if (Timer) {
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if (!cRecordControls::Start(Timer))
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Timer->SetPending(true);
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}
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}
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// User Input:
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cOsdBase **Interact = Menu ? &Menu : (cOsdBase **)&ReplayControl;
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eKeys key = Interface->GetKey(!*Interact || !(*Interact)->NeedsFastResponse());
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if (NORMALKEY(key) != kNone) {
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EITScanner.Activity();
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LastActivity = time(NULL);
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}
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// Keys that must work independent of any interactive mode:
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switch (key) {
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// Volume Control:
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case kVolUp|k_Repeat:
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case kVolUp:
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case kVolDn|k_Repeat:
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case kVolDn:
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cDvbApi::PrimaryDvbApi->SetVolume(NORMALKEY(key) == kVolDn ? -VOLUMEDELTA : VOLUMEDELTA);
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break;
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case kMute:
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cDvbApi::PrimaryDvbApi->ToggleMute();
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break;
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// Power off:
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case kPower: isyslog(LOG_INFO, "Power button pressed");
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DELETENULL(*Interact);
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if (!Shutdown) {
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Interface->Error(tr("Can't shutdown - option '-s' not given!"));
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break;
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}
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if (cRecordControls::Active()) {
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if (Interface->Confirm(tr("Recording - shut down anyway?")))
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ForceShutdown = true;
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}
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LastActivity = 1; // not 0, see below!
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break;
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default:
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if (*Interact) {
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switch ((*Interact)->ProcessKey(key)) {
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case osMenu: DELETENULL(Menu);
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Menu = new cMenuMain(ReplayControl);
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break;
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case osRecord: DELETENULL(Menu);
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if (!cRecordControls::Start())
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Interface->Error(tr("No free DVB device to record!"));
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break;
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case osRecordings:
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DELETENULL(Menu);
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DELETENULL(ReplayControl);
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Menu = new cMenuMain(ReplayControl, osRecordings);
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break;
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case osReplay: DELETENULL(Menu);
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DELETENULL(ReplayControl);
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ReplayControl = new cReplayControl;
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break;
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case osStopReplay:
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DELETENULL(*Interact);
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DELETENULL(ReplayControl);
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break;
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case osSwitchDvb:
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DELETENULL(*Interact);
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Interface->Info(tr("Switching primary DVB..."));
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cDvbApi::SetPrimaryDvbApi(Setup.PrimaryDVB);
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break;
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case osBack:
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case osEnd: DELETENULL(*Interact);
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break;
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default: ;
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}
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}
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else {
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// Key functions in "normal" viewing mode:
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switch (key) {
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// Toggle channels:
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case k0: {
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int CurrentChannel = cDvbApi::CurrentChannel();
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Channels.SwitchTo(PreviousChannel);
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PreviousChannel = CurrentChannel;
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break;
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}
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// Direct Channel Select:
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case k1 ... k9:
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Menu = new cDisplayChannel(key);
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break;
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// Left/Right rotates trough channel groups:
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case kLeft|k_Repeat:
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case kLeft:
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case kRight|k_Repeat:
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case kRight:
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Menu = new cDisplayChannel(NORMALKEY(key));
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break;
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// Up/Down Channel Select:
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case kUp|k_Repeat:
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case kUp:
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case kDown|k_Repeat:
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case kDown: {
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int n = cDvbApi::CurrentChannel() + (NORMALKEY(key) == kUp ? 1 : -1);
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cChannel *channel = Channels.GetByNumber(n);
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if (channel)
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channel->Switch();
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break;
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}
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// Menu Control:
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case kMenu: Menu = new cMenuMain(ReplayControl); break;
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// Viewing Control:
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case kOk: LastChannel = -1; break; // forces channel display
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default: break;
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}
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}
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}
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if (!Menu) {
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EITScanner.Process();
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if (!cVideoCutter::Active() && cVideoCutter::Ended()) {
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if (cVideoCutter::Error())
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Interface->Error(tr("Editing process failed!"));
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else
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Interface->Info(tr("Editing process finished"));
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}
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}
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if (!*Interact && (!cRecordControls::Active() || ForceShutdown)) {
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time_t Now = time(NULL);
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if (Now - LastActivity > ACTIVITYTIMEOUT) {
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// Shutdown:
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if (Shutdown && (Setup.MinUserInactivity || LastActivity == 1) && Now - LastActivity > Setup.MinUserInactivity * 60) {
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cTimer *timer = Timers.GetNextActiveTimer();
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time_t Next = timer ? timer->StartTime() : 0;
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time_t Delta = timer ? Next - Now : 0;
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if (!LastActivity) {
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if (!timer || Delta > MANUALSTART) {
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// Apparently the user started VDR manually
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dsyslog(LOG_INFO, "assuming manual start of VDR");
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LastActivity = Now;
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continue; // don't run into the actual shutdown procedure below
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}
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else
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LastActivity = 1;
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}
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bool UserShutdown = key == kPower;
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if (UserShutdown && Next && Delta <= Setup.MinEventTimeout * 60 && !ForceShutdown) {
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char *buf;
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asprintf(&buf, tr("Recording in %d minutes, shut down anyway?"), Delta / 60);
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if (Interface->Confirm(buf))
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ForceShutdown = true;
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delete buf;
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}
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if (!Next || Delta > Setup.MinEventTimeout * 60 || ForceShutdown) {
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ForceShutdown = false;
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if (timer)
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dsyslog(LOG_INFO, "next timer event at %s", ctime(&Next));
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if (WatchdogTimeout > 0)
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signal(SIGALRM, SIG_IGN);
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if (Interface->Confirm(tr("Press any key to cancel shutdown"), UserShutdown ? 5 : SHUTDOWNWAIT, true)) {
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int Channel = timer ? timer->channel : 0;
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const char *File = timer ? timer->file : "";
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char *cmd;
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asprintf(&cmd, "%s %ld %ld %d \"%s\" %d", Shutdown, Next, Delta, Channel, strescape(File, "\"$"), UserShutdown);
|
|
isyslog(LOG_INFO, "executing '%s'", cmd);
|
|
SystemExec(cmd);
|
|
delete cmd;
|
|
}
|
|
else if (WatchdogTimeout > 0) {
|
|
alarm(WatchdogTimeout);
|
|
if (signal(SIGALRM, Watchdog) == SIG_IGN)
|
|
signal(SIGALRM, SIG_IGN);
|
|
}
|
|
LastActivity = time(NULL); // don't try again too soon
|
|
continue; // skip the rest of the housekeeping for now
|
|
}
|
|
}
|
|
// Disk housekeeping:
|
|
RemoveDeletedRecordings();
|
|
}
|
|
}
|
|
}
|
|
if (Interrupted)
|
|
isyslog(LOG_INFO, "caught signal %d", Interrupted);
|
|
Setup.CurrentChannel = cDvbApi::CurrentChannel();
|
|
Setup.CurrentVolume = cDvbApi::CurrentVolume();
|
|
Setup.Save();
|
|
cVideoCutter::Stop();
|
|
delete Menu;
|
|
delete ReplayControl;
|
|
delete Interface;
|
|
cDvbApi::Cleanup();
|
|
if (WatchdogTimeout > 0)
|
|
dsyslog(LOG_INFO, "max. latency time %d seconds", MaxLatencyTime);
|
|
isyslog(LOG_INFO, "exiting");
|
|
if (SysLogLevel > 0)
|
|
closelog();
|
|
if (cThread::EmergencyExit()) {
|
|
esyslog(LOG_ERR, "emergency exit!");
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|