327 lines
8.1 KiB
C++
327 lines
8.1 KiB
C++
//
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// ZoneMinder Capture Daemon, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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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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//
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#include <getopt.h>
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#include <signal.h>
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#if defined(__FreeBSD__)
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#include <limits.h>
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#else
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#include <values.h>
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#endif
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#if !defined(MAXINT)
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#define MAXINT INT_MAX
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#endif
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#include "zm.h"
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#include "zm_db.h"
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#include "zm_time.h"
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#include "zm_signal.h"
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#include "zm_monitor.h"
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void Usage()
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{
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fprintf( stderr, "zmc -d <device_path> or -r <proto> -H <host> -P <port> -p <path> or -f <file_path> or -m <monitor_id>\n" );
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fprintf( stderr, "Options:\n" );
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#if defined(BSD)
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fprintf( stderr, " -d, --device <device_path> : For local cameras, device to access. E.g /dev/bktr0 etc\n" );
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#else
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fprintf( stderr, " -d, --device <device_path> : For local cameras, device to access. E.g /dev/video0 etc\n" );
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#endif
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fprintf( stderr, " -r <proto> -H <host> -P <port> -p <path> : For remote cameras\n" );
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fprintf( stderr, " -f, --file <file_path> : For local images, jpg file to access.\n" );
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fprintf( stderr, " -m, --monitor <monitor_id> : For sources associated with a single monitor\n" );
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fprintf( stderr, " -h, --help : This screen\n" );
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fprintf( stderr, " -v, --version : Report the installed version of ZoneMinder\n" );
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exit( 0 );
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}
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int main( int argc, char *argv[] )
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{
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self = argv[0];
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srand( getpid() * time( 0 ) );
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const char *device = "";
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const char *protocol = "";
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const char *host = "";
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const char *port = "";
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const char *path = "";
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const char *file = "";
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int monitor_id = -1;
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static struct option long_options[] = {
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{"device", 1, 0, 'd'},
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{"protocol", 1, 0, 'r'},
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{"host", 1, 0, 'H'},
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{"port", 1, 0, 'P'},
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{"path", 1, 0, 'p'},
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{"file", 1, 0, 'f'},
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{"monitor", 1, 0, 'm'},
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{"help", 0, 0, 'h'},
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{"version", 0, 0, 'v'},
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{0, 0, 0, 0}
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};
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while (1)
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{
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int option_index = 0;
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int c = getopt_long (argc, argv, "d:H:P:p:f:m:h:v", long_options, &option_index);
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if (c == -1)
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{
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break;
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}
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switch (c)
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{
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case 'd':
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device = optarg;
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break;
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case 'H':
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host = optarg;
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break;
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case 'P':
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port = optarg;
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break;
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case 'p':
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path = optarg;
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break;
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case 'f':
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file = optarg;
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break;
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case 'm':
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monitor_id = atoi(optarg);
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break;
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case 'h':
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case '?':
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Usage();
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break;
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case 'v':
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cout << ZM_VERSION << "\n";
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exit(0);
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default:
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//fprintf( stderr, "?? getopt returned character code 0%o ??\n", c );
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break;
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}
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}
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if (optind < argc)
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{
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fprintf( stderr, "Extraneous options, " );
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while (optind < argc)
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printf ("%s ", argv[optind++]);
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printf ("\n");
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Usage();
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}
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int modes = ( device[0]?1:0 + host[0]?1:0 + file[0]?1:0 + (monitor_id>0?1:0) );
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if ( modes > 1 )
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{
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fprintf( stderr, "Only one of device, host/port/path, file or monitor id allowed\n" );
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Usage();
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exit( 0 );
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}
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if ( modes < 1 )
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{
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fprintf( stderr, "One of device, host/port/path, file or monitor id must be specified\n" );
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Usage();
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exit( 0 );
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}
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char log_id_string[32] = "";
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if ( device[0] )
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{
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const char *slash_ptr = strrchr( device, '/' );
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snprintf( log_id_string, sizeof(log_id_string), "zmc_d%s", slash_ptr?slash_ptr+1:device );
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}
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else if ( host[0] )
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{
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snprintf( log_id_string, sizeof(log_id_string), "zmc_h%s", host );
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}
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else if ( file[0] )
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{
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const char *slash_ptr = strrchr( file, '/' );
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snprintf( log_id_string, sizeof(log_id_string), "zmc_f%s", slash_ptr?slash_ptr+1:file );
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}
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else
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{
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snprintf( log_id_string, sizeof(log_id_string), "zmc_m%d", monitor_id );
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}
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zmLoadConfig();
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logInit( log_id_string );
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ssedetect();
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Monitor **monitors = 0;
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int n_monitors = 0;
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#if ZM_HAS_V4L
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if ( device[0] )
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{
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n_monitors = Monitor::LoadLocalMonitors( device, monitors, Monitor::CAPTURE );
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}
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else
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#endif // ZM_HAS_V4L
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if ( host[0] )
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{
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if ( !port )
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port = "80";
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n_monitors = Monitor::LoadRemoteMonitors( protocol, host, port, path, monitors, Monitor::CAPTURE );
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}
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else if ( file[0] )
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{
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n_monitors = Monitor::LoadFileMonitors( file, monitors, Monitor::CAPTURE );
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}
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else
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{
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Monitor *monitor = Monitor::Load( monitor_id, true, Monitor::CAPTURE );
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if ( monitor )
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{
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monitors = new Monitor *[1];
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monitors[0] = monitor;
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n_monitors = 1;
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}
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}
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if ( !n_monitors )
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{
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Error( "No monitors found" );
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exit ( -1 );
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}
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Info( "Starting Capture" );
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zmSetDefaultTermHandler();
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zmSetDefaultDieHandler();
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sigset_t block_set;
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sigemptyset( &block_set );
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sigaddset( &block_set, SIGUSR1 );
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sigaddset( &block_set, SIGUSR2 );
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if ( monitors[0]->PrimeCapture() < 0 )
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{
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Error( "Failed to prime capture of initial monitor" );
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exit( -1 );
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}
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long *capture_delays = new long[n_monitors];
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long *alarm_capture_delays = new long[n_monitors];
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long *next_delays = new long[n_monitors];
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struct timeval * last_capture_times = new struct timeval[n_monitors];
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for ( int i = 0; i < n_monitors; i++ )
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{
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last_capture_times[i].tv_sec = last_capture_times[i].tv_usec = 0;
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capture_delays[i] = monitors[i]->GetCaptureDelay();
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alarm_capture_delays[i] = monitors[i]->GetAlarmCaptureDelay();
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}
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int result = 0;
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struct timeval now;
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struct DeltaTimeval delta_time;
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while( !zm_terminate )
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{
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sigprocmask( SIG_BLOCK, &block_set, 0 );
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for ( int i = 0; i < n_monitors; i++ )
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{
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long min_delay = MAXINT;
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gettimeofday( &now, NULL );
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for ( int j = 0; j < n_monitors; j++ )
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{
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if ( last_capture_times[j].tv_sec )
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{
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DELTA_TIMEVAL( delta_time, now, last_capture_times[j], DT_PREC_3 );
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if ( monitors[i]->GetState() == Monitor::ALARM )
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next_delays[j] = alarm_capture_delays[j]-delta_time.delta;
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else
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next_delays[j] = capture_delays[j]-delta_time.delta;
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if ( next_delays[j] < 0 )
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next_delays[j] = 0;
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}
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else
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{
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next_delays[j] = 0;
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}
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if ( next_delays[j] <= min_delay )
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{
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min_delay = next_delays[j];
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}
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}
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if ( next_delays[i] <= min_delay || next_delays[i] <= 0 )
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{
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if ( monitors[i]->PreCapture() < 0 )
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{
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Error( "Failed to pre-capture monitor %d %d (%d/%d)", monitors[i]->Id(), monitors[i]->Name(), i+1, n_monitors );
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zm_terminate = true;
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result = -1;
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break;
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}
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if ( monitors[i]->Capture() < 0 )
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{
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Error( "Failed to capture image from monitor %d %s (%d/%d)", monitors[i]->Id(), monitors[i]->Name(), i+1, n_monitors );
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zm_terminate = true;
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result = -1;
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break;
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}
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if ( monitors[i]->PostCapture() < 0 )
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{
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Error( "Failed to post-capture monitor %d %s (%d/%d)", monitors[i]->Id(), monitors[i]->Name(), i+1, n_monitors );
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zm_terminate = true;
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result = -1;
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break;
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}
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if ( next_delays[i] > 0 )
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{
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gettimeofday( &now, NULL );
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DELTA_TIMEVAL( delta_time, now, last_capture_times[i], DT_PREC_3 );
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long sleep_time = next_delays[i]-delta_time.delta;
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if ( sleep_time > 0 )
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{
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usleep( sleep_time*(DT_MAXGRAN/DT_PREC_3) );
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}
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}
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gettimeofday( &(last_capture_times[i]), NULL );
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}
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}
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sigprocmask( SIG_UNBLOCK, &block_set, 0 );
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}
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for ( int i = 0; i < n_monitors; i++ )
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{
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delete monitors[i];
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}
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delete [] monitors;
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delete [] alarm_capture_delays;
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delete [] capture_delays;
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delete [] next_delays;
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delete [] last_capture_times;
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logTerm();
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zmDbClose();
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return( result );
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}
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