476 lines
16 KiB
Perl
476 lines
16 KiB
Perl
#!/usr/bin/perl -wT
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use strict;
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use bytes;
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# ==========================================================================
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#
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# These are the elements you can edit to suit your installation
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#
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# ==========================================================================
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use constant RECOVER_TAG => '(r)'; # Tag to append to event name when recovered
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use constant RECOVER_TEXT => 'Recovered.'; # Text to append to event notes when recovered
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# ==========================================================================
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#
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# You shouldn't need to change anything from here downwards
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#
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# ==========================================================================
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@EXTRA_PERL_LIB@
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use ZoneMinder;
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use DBI;
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use POSIX;
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use File::Find;
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use Time::HiRes qw/gettimeofday/;
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use Getopt::Long;
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use Date::Format;
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use autouse 'Pod::Usage'=>qw(pod2usage);
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use constant ZM_RECOVER_PID => '@ZM_RUNDIR@/zmrecover.pid';
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$ENV{PATH} = '/bin:/usr/bin:/usr/local/bin';
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$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
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delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
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my $report = 0;
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my $interactive = 1;
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my $monitor_id = 0;
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my $version;
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my $force = 0;
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my $server_id = undef;
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my $storage_id = undef;
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logInit();
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GetOptions(
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force =>\$force,
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interactive =>\$interactive,
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'monitor_id=i' =>\$monitor_id,
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report =>\$report,
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'server_id=i' =>\$server_id,
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'storage_id=i' =>\$storage_id,
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version =>\$version
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) or pod2usage(-exitstatus => -1);
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if ( $version ) {
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print( ZoneMinder::Base::ZM_VERSION . "\n");
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exit(0);
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}
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if ( ($report + $interactive) > 1 ) {
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print( STDERR "Error, only one option may be specified\n" );
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pod2usage(-exitstatus => -1);
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}
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if ( -e ZM_RECOVER_PID ) {
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local $/ = undef;
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open FILE, ZM_RECOVER_PID or die "Couldn't open file: $!";
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binmode FILE;
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my $pid = <FILE>;
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close FILE;
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if ( $force ) {
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Error("zmrecover.pl appears to already be running at pid $pid. Continuing." );
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} else {
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Fatal("zmrecover.pl appears to already be running at pid $pid. If not, please delete " .
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ZM_RECOVER_PID . " or use the --force command line option." );
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}
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} # end if ZM_RECOVER_PID exists
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if ( open(my $PID, '>', ZM_RECOVER_PID) ) {
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print($PID $$);
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close($PID);
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} else {
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Error( "Can't open pid file at " . ZM_PID );
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}
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sub HupHandler {
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Info('Received HUP, reloading');
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&ZoneMinder::Logger::logHupHandler();
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}
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sub TermHandler {
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Info('Received TERM, exiting');
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Term();
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}
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sub Term {
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unlink ZM_RECOVER_PID;
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exit(0);
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}
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$SIG{HUP} = \&HupHandler;
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$SIG{TERM} = \&TermHandler;
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$SIG{INT} = \&TermHandler;
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my $dbh = zmDbConnect();
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if ( ! $dbh ) {
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Error('Unable to connect to database');
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Term();
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} # end if
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$| = 1;
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require ZoneMinder::Monitor;
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require ZoneMinder::Storage;
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require ZoneMinder::Event;
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my @Storage_Areas;
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if ( defined $storage_id ) {
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@Storage_Areas = ZoneMinder::Storage->find( Id=>$storage_id );
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if ( !@Storage_Areas ) {
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Error("No Storage Area found with Id $storage_id");
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Term();
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}
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Info("Auditing Storage Area $Storage_Areas[0]{Id} $Storage_Areas[0]{Name} at $Storage_Areas[0]{Path}");
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} elsif ( $server_id ) {
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@Storage_Areas = ZoneMinder::Storage->find( ServerId => $server_id );
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if ( ! @Storage_Areas ) {
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Error("No Storage Area found with ServerId =" . $server_id);
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Term();
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}
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foreach my $Storage ( @Storage_Areas ) {
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Info('Auditing ' . $Storage->Name() . ' at ' . $Storage->Path() . ' on ' . $Storage->Server()->Name() );
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}
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} else {
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@Storage_Areas = ZoneMinder::Storage->find();
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Info("Auditing All Storage Areas");
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}
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my @Monitors = ZoneMinder::Monitor->find();
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Debug("@Monitors");
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foreach my $Monitor ( @Monitors ) {
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Debug("Monitor " . $Monitor->to_string() )
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}
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my %Monitors = map { $$_{Id} => $_ } @Monitors;
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#ZoneMinder::Monitor->find(
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# ($monitor_id ? ( Id=>$monitor_id ) : () ),
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#);
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Debug("Found " . (keys %Monitors) . " monitors");
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foreach my $id ( keys %Monitors ) {
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Debug("Monitor $id $Monitors{$id}{Name}");
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}
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foreach my $Storage ( @Storage_Areas ) {
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Debug('Checking events in ' . $Storage->Path() );
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if ( ! chdir($Storage->Path()) ) {
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Error('Unable to change dir to ' . $Storage->Path());
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next;
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} # end if
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# Please note that this glob will take all files beginning with a digit.
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foreach my $monitor ( glob('[0-9]*') ) {
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if ( $monitor =~ /\D/ ) {
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Debug("Weird non digit characters in $monitor");
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next;
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}
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# De-taint
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( my $monitor_dir ) = ( $monitor =~ /^(\d+)$/ );
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if ( $monitor_id and ( $monitor_id != $monitor_dir ) ) {
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Debug("Skipping monitor $monitor_dir because we are only interested in monitor $monitor_id");
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next;
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}
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if ( ! $Monitors{$monitor_dir} ) {
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Warning("There is no monitor in the database for $$Storage{Path}/$monitor_dir. Skipping it.");
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next;
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}
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my $Monitor = $Monitors{$monitor_dir};
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Debug("Found filesystem monitor '$monitor_dir'");
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{
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my @day_dirs = glob("$monitor_dir/[0-9][0-9]/[0-9][0-9]/[0-9][0-9]");
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Debug(qq`Checking for Deep Events under $$Storage{Path} using glob("$monitor_dir/[0-9][0-9]/[0-9][0-9]/[0-9][0-9]") returned `. scalar @day_dirs . ' days with events');
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foreach my $day_dir ( @day_dirs ) {
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Debug("Checking day dir $day_dir");
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( $day_dir ) = ( $day_dir =~ /^(.*)$/ ); # De-taint
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if ( !chdir($day_dir) ) {
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Error("Can't chdir to '$$Storage{Path}/$day_dir': $!");
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next;
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}
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if ( ! opendir(DIR, '.') ) {
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Error("Can't open directory '$$Storage{Path}/$day_dir': $!");
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next;
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}
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my %event_ids_by_path;
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my @event_links = sort { $b <=> $a } grep { -l $_ } readdir( DIR );
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Debug('Have ' . (scalar @event_links) . ' event links');
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closedir(DIR);
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my $count = 0;
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foreach my $event_link ( @event_links ) {
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# Event links start with a period and consist of the digits of the event id.
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# Anything else is not an event link
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my ($event_id) = $event_link =~ /^\.(\d+)$/;
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if ( !$event_id ) {
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Warning("Non-event link found $event_link in $day_dir, skipping");
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next;
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}
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Debug("Checking link $event_link");
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#Event path is hour/minute/sec
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my $event_path = readlink($event_link);
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if ( !($event_path and -e $event_path) ) {
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Warning("Event link $day_dir/$event_link does not point to valid target at $event_path");
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next;
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}
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if ( ! ZoneMinder::Event->find_one(Id=>$event_id) ) {
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Info("Event not found in db for event data found at $$Storage{Path}/$day_dir/$event_path with Id=$event_id");
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if ( confirm() ) {
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my $Event = new ZoneMinder::Event();
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$$Event{Id} = $event_id;
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$$Event{Path} = join('/', $Storage->Path(), $day_dir, $event_path);
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$$Event{RelativePath} = join('/', $day_dir, $event_path);
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$$Event{Scheme} = 'Deep';
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$$Event{Name} = "Event $event_id recovered";
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$Event->MonitorId( $monitor_dir );
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$Event->StorageId( $Storage->Id() );
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$Event->DiskSpace( undef );
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$Event->Width( $Monitor->Width() );
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$Event->Height( $Monitor->Height() );
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$Event->Orientation( $Monitor->Orientation() );
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$Event->recover_timestamps();
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$Event->save({}, 1);
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Debug("Event resurrected as " . $Event->to_string() );
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next;
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} # end if resurrection
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} # event path exists
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} # end foreach event_link
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# Now check for events that have lost their link. We can determine event Id from .mp4
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my @time_dirs = glob('[0-9][0-9]/[0-9][0-9]/[0-9][0-9]');
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foreach my $event_dir ( @time_dirs ) {
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Debug("Checking time dir $event_dir");
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( $event_dir ) = ( $event_dir =~ /^(.*)$/ ); # De-taint
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my $event_id = undef;
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if ( ! opendir(DIR, $event_dir) ) {
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Error("Can't open directory '$$Storage{Path}/$day_dir': $!");
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next;
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}
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my @contents = readdir( DIR );
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Debug('Have ' . @contents . " files in $day_dir/$event_dir");
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closedir(DIR);
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my @mp4_files = grep( /^\d+\-video.mp4$/, @contents);
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foreach my $mp4_file ( @mp4_files ) {
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my ( $id ) = $mp4_file =~ /^([0-9]+)\-video\.mp4$/;
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if ( $id ) {
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$event_id = $id;
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Debug("Got event id from mp4 file $mp4_file => $event_id");
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last;
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}
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} # end foreach mp4
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if ( ! $event_id ) {
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# Look for .id file
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my @hidden_files = grep( /^\.\d+$/, @contents);
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Debug('Have ' . @hidden_files . ' hidden files');
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if ( @hidden_files ) {
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( $event_id ) = $hidden_files[0] =~ /^.(\d+)$/;
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}
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}
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if ( $event_id and ! ZoneMinder::Event->find_one(Id=>$event_id) ) {
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Info("Event not found in db for event data found at $$Storage{Path}/$monitor_dir/$day_dir/$event_dir");
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if ( confirm() ) {
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my $Event = new ZoneMinder::Event();
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$$Event{Id} = $event_id;
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$$Event{Path} = join('/', $Storage->Path(), $day_dir, $event_dir);
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$$Event{RelativePath} = join('/', $day_dir, $event_dir);
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$$Event{Scheme} = 'Deep';
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$$Event{Name} = "Event $event_id recovered";
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$Event->MonitorId( $monitor_dir );
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$Event->Width( $Monitor->Width() );
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$Event->Height( $Monitor->Height() );
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$Event->Orientation( $Monitor->Orientation() );
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$Event->StorageId( $Storage->Id() );
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$Event->DiskSpace( undef );
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$Event->recover_timestamps();
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$Event->save({}, 1);
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Debug("Event resurrected as " . $Event->to_string() );
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next;
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}
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} # end if event found
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# Search in db for given timestamp?
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my ( undef, $year, $month, $day ) = split('/', $day_dir);
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$year += 2000;
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my ( $hour, $minute, $second ) = split('/', $event_dir);
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my $StartTime =sprintf('%.4d-%.2d-%.2d %.2d:%.2d:%.2d', $year, $month, $day, $hour, $minute, $second);
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my $Event = ZoneMinder::Event->find_one(
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MonitorId=>$monitor_dir,
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StartTime=>$StartTime,
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);
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if ( $Event ) {
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Debug("Found event matching starttime on monitor $monitor_dir at $StartTime: " . $Event->to_string());
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next;
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}
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} # end foreach event_dir without link
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chdir( $Storage->Path() );
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} # end foreach day dir
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}
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Debug("Checking for Medium Scheme Events under $$Storage{Path}/$monitor_dir");
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{
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my @event_dirs = glob("$monitor_dir/[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]/*");
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Debug(qq`glob("$monitor_dir/[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]/*") returned ` . scalar @event_dirs . " entries." );
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foreach my $event_dir ( @event_dirs ) {
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if ( ! -d $event_dir ) {
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Debug("$event_dir is not a dir. Skipping");
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next;
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}
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my ( $date, $event_id ) = $event_dir =~ /^$monitor_dir\/(\d{4}\-\d{2}\-\d{2})\/(\d+)$/;
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if ( !$event_id ) {
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Debug("Unable to parse date/event_id from $event_dir");
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next;
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}
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my $Event = ZoneMinder::Event->find_one(Id=>$event_id);
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if ( $Event ) {
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Debug('Found event in the db, moving on.');
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next;
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}
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$Event = new ZoneMinder::Event();
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$$Event{Id} = $event_id;
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$$Event{Path} = join('/', $Storage->Path(), $event_dir );
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Debug("Have event $$Event{Id} at $$Event{Path}");
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$$Event{Scheme} = 'Medium';
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$$Event{RelativePath} = $event_dir;
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$$Event{Name} = "Event $event_id recovered";
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$Event->MonitorId( $monitor_dir );
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$Event->Width( $Monitor->Width() );
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$Event->Height( $Monitor->Height() );
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$Event->Orientation( $Monitor->Orientation() );
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$Event->StorageId( $Storage->Id() );
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$Event->recover_timestamps();
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if ( confirm() ) {
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$Event->save({}, 1);
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Debug("Event resurrected as " . $Event->to_string() );
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}
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} # end foreach event
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} # end search for Medium
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# Shallow
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Debug("Checking for ShallowScheme Events under $$Storage{Path}/$monitor_dir");
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if ( ! chdir($monitor_dir) ) {
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Error("Can't chdir directory '$$Storage{Path}/$monitor_dir': $!");
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next;
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}
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if ( ! opendir(DIR, '.') ) {
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Error("Can't open directory '$$Storage{Path}/$monitor_dir': $!");
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next;
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}
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my @temp_events = sort { $b <=> $a } grep { -d $_ && $_ =~ /^\d+$/ } readdir( DIR );
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closedir(DIR);
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foreach my $event ( @temp_events ) {
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my $Event = ZoneMinder::Event->find_one(Id=>$event);
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if ( $Event ) {
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Debug("Found an event in db for $event");
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next;
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}
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$$Event{Id} = $event;
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$$Event{Path} = join('/', $Storage->Path(), $event );
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Debug("Have event $$Event{Id} at $$Event{Path}");
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$$Event{Scheme} = 'Shallow';
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$$Event{Name} = "Event $event recovered";
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#$$Event{Path} = $event_path;
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$Event->MonitorId( $monitor_dir );
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$Event->Width( $Monitor->Width() );
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$Event->Height( $Monitor->Height() );
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$Event->Orientation( $Monitor->Orientation() );
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$Event->StorageId( $Storage->Id() );
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$Event->recover_timestamps();
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$Event->save({}, 1);
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Debug("Event resurrected as " . $Event->to_string() );
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} # end foreach event
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chdir( $Storage->Path() );
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} # end foreach monitor
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} # end foreach Storage Area
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Term();
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sub confirm {
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my $prompt = shift || 'resurrect';
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my $action = shift || 'resurrecting';
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my $yesno = 0;
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if ( $report ) {
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print( "\n" );
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} elsif ( $interactive ) {
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print(", $prompt Y/n/q: ");
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my $char = <>;
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chomp( $char );
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if ( $char eq 'q' ) {
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Term();
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}
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if ( !$char ) {
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$char = 'y';
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}
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$yesno = ( $char =~ /[yY]/ );
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} else {
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Info($action);
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$yesno = 1;
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}
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return $yesno;
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}
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1;
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__END__
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=head1 NAME
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zmrecover.pl - ZoneMinder event file system and database recovery checker
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=head1 SYNOPSIS
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zmrecover.pl [-r,-report|-i,-interactive]
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=head1 DESCRIPTION
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This script checks for consistency between the event filesystem and
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the database. If events are found in one and not the other they are
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deleted (optionally). Additionally any monitor event directories that
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do not correspond to a database monitor are similarly disposed of.
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However monitors in the database that don't have a directory are left
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alone as this is valid if they are newly created and have no events
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yet.
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=head1 OPTIONS
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-i, --interactive - Ask before applying any changes
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-m, --monitor_id - Only consider the given monitor
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-r, --report - Just report don't actually do anything
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-s, --storage_id - Specify a storage area to recover instead of all
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-v, --version - Print the installed version of ZoneMinder
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=head1 COPYRIGHT
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ZoneMinder Recover Script
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Copyright (C) 2018 ZoneMinder LLC
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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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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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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=cut
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