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318 lines
11 KiB
Perl
Executable File
318 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Munin plugin for MythTV
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# This plugin can graph:- Encoder Status, Days Remaining in Schedule, Job schedule, Recording Schedule, Recorded Programes, Recorded hours
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#
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# Create a symbolic link to mythtv_status_{GraphType}
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# Where {GraphType} can be encoder, epg, job, schedule, recorded
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# for example mythtv_status_encoder
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#
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# NOTE: This plugin needs to run as root so add the following to your munin-node config file
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# [mythtv_status*]
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# user=root
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# The http/xml status page must be enabled in the mythtv backend.
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#
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# $Log$
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# Revision 0.1 2008/03/27 idobson
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# Code for all options except recorded implemented
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#
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# Revision 0.2 2008/03/28 idobson
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# Tidied up the code abit/removed dead functions
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#
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# Revision 0.3 2008/03/28 idobson
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# Added first attempt at getting the number of programs recorded using an sql query
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#
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# Revision 0.4 2008/03/29 idobson
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# Fixed the SQL query for the recorded programs/added the number of hours recorded
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#
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# Revision 0.5 2008/03/29 idobson
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# Added upcomming recordings SQL query to the schedule code
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#
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# Revision 0.6 2008/04/1 idobson
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# Added a "watched recordings" to the recorded list. This is only available in MythTV ver.21
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# Added code to read the Myth parameters (Host,SQL server,SQL user, SQL password) from the mysql.txt file
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#
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# Revision 0.7 2008/04/3 idobson
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# Now using SQL to read the number of days in the EPG
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# Changed recordings symlink to schedule, makes more sense
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#
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# Revision 0.8 2008/04/6 idobson
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# Tidied up the SQL code abit, moved it into a function.
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#
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# Revision 0.9 2008/04/12 idobson
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# Added a check that we got the XML data before trying to parse it.
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#
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# Revision 1.0 2008/04/15 idobson
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# Fixed undef returned from SQL query, it now returns 0,
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# added error handler to SQL sub. It just dies with an error text.
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#
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# Revision 1.1 2008/05/03 idobson
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# Changed unwatched to watched & changed the SQL code
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#
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# Revision 1.2 2008/06/13 idobson
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# Split the EPG data up per video source
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# Fixed afew spelling mistakes
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#
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# Revision 1.3 2008/06/27 idobson
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# Tidied up the code abit. Config option only calls XMLparse and SQLsetup when required
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# Removed unnecessary libs
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# This should reduce the load on the munin server abit
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#
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# Magic markers (optional - used by munin-config and installation scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf
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use LWP::Simple;
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#use XML::Parser;
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use DBI;
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# Parameters for Backend xml feed
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my $backendHostname = "192.168.0.2";
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my $backendStatusPort = "6544";
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# SQL parameters are read from mysql.txt
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# There should be no need to change anything after this point
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my $SQLServer = "";
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my $SQLUser = "";
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my $SQLPassword = "";
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my $SQLDBName = "";
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my $ScheduleDays=0;
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my $Recordings=0;
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my $GraphOption="";
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my $Recorded=0;
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my $RecHours=0;
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my $RecHoursLiveTV=0;
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my $result="";
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my $gata="";
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my $VideoInput=1;
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$GraphOption=`basename $0 | sed 's/^mythtv_status_//g' | tr '_' '-'` ;
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chomp $GraphOption;
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#Auto config options
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if ($ARGV[0] and $ARGV[0] eq "autoconf" ) {
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print "yes\n";
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exit 0;
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}
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#Config Options
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##Configuration for encoder, no config data needs to read from anywhere
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if ($ARGV[0] and $ARGV[0] eq "config"){
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if ($GraphOption eq "encoder") {
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print "graph_scale off\n";
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print "graph_title MythTV Encoders\n";
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print "graph_args --base 1000\n";
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print "graph_category MythTV\n";
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print "graph_vlabel Encoders\n";
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print "ActiveEncoders.draw AREA\n";
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print "FreeEncoders.draw STACK\n";
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print "ActiveEncoders.label Active encoders\n";
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print "FreeEncoders.label Inactive encoders\n";
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}
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##Configuration for EPG, information read from SQL database
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if ($GraphOption eq "epg") {
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print "graph_scale off\n";
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print "graph_title MythTV EPG days/Programs\n";
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print "graph_args -l 0 --base 1000\n";
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print "graph_category MythTV\n";
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print "graph_vlabel Days\/Programs\n";
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PrepSQLRead();
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@result=SQLQuery("SELECT DISTINCT `listingsource` FROM `program`");
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$VideoInput = 1;
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foreach $gata (@result) {
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print "EPGDays$VideoInput.label EPG Data (days) for input $VideoInput\n";
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print "EPGDays$VideoInput.info Electronic Program Guide number of days stored\n";
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print "EPGPrograms$VideoInput.label Programs in EPG (1000's) for input $VideoInput\n";
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print "EPGPrograms$VideoInput.info Number of programs stored in the Electronic Program Guide (in 1000's)\n";
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print "EPGDays$VideoInput.min 0\n";
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print "EPGPrograms$VideoInput.min 0\n";
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$VideoInput++;
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}
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}
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##Configuration for jobs, no config data needs to read from anywhere
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if ($GraphOption eq "job") {
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print "graph_scale off\n";
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print "graph_title MythTV Jobs\n";
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print "graph_args --base 1000\n";
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print "graph_category MythTV\n";
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print "graph_vlabel Jobs\n";
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print "Jobs.label Outstanding jobs\n";
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}
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##Configuration for jobs, no config data needs to read from anywhere
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if ($GraphOption eq "schedule") {
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print "graph_scale off\n";
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print "graph_title MythTV Schedule\n";
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print "graph_args -l 0 --base 1000\n";
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print "graph_category MythTV\n";
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print "graph_vlabel Programs\n";
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print "Recording.min 0\n";
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print "Upcomming.min 0\n";
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print "Recording.label Scheduled recordings\n";
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print "Upcomming.label Upcomming recordings\n";
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print "Recording.info Number of schedules defined (Series only counts as one item)\n";
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print "Upcomming.info Number of programes that are set to be recorded\n";
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}
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##Configuration for recorded, only needs the mythtv backend version from the XML status page
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if ($GraphOption eq "recorded") {
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print "graph_scale off\n";
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print "graph_title MythTV Recorded\n";
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print "graph_args -l 0 --base 1000\n";
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print "graph_category MythTV\n";
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print "graph_vlabel Programs/Hours\n";
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print "RecHoursLiveTV.min 0\n";
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print "RecHoursLiveTV.draw AREA\n";
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print "RecHoursLiveTV.label Hours recorded (Live TV)\n";
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print "RecHoursLiveTV.colour 0000FF\n";
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print "RecHoursLiveTV.info Hours recorded - Live TV\n";
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print "RecHours.min 0\n";
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print "RecHours.draw STACK\n";
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print "RecHours.label Hours recorded\n";
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print "RecHours.colour 00FF00\n";
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print "RecHours.info Hours recorded - schedule\n";
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print "Recorded.min 0\n";
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print "Recorded.draw LINE2\n";
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print "Recorded.label Programs recorded\n";
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print "Recorded.colour FF0000\n";
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print "Recorded.info Number of programs recorded (Scheduled)\n";
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#Process XML data
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print "Watched.draw LINE2\n";
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print "Watched.label Programs already watched\n";
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print "Watched.colour 000000\n";
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print "Watched.info Programes that have been watched atleast once\n";
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}
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exit 0;
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}
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#Setup SQL access
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PrepSQLRead();
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#Actually dump data to Munin
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if ($GraphOption eq "encoder") {
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@result=SQLQuery("SELECT count(*) FROM `capturecard` ");
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my $Recorders=$result[0];
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@result=SQLQuery("SELECT count(*) FROM `inuseprograms` WHERE `recusage` = 'recorder' ");
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my $FreeEncoders= $Recorders - $result[0] ;
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print "ActiveEncoders.value $result[0]\n";
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print "FreeEncoders.value $FreeEncoders\n";
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}
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#Get number of days of EPG per video source
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if ($GraphOption eq "epg") {
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@result=SQLQuery("SELECT (UNIX_TIMESTAMP( MAX( starttime ) ) - UNIX_TIMESTAMP( NOW( ) ) ) /86400 FROM program GROUP BY `listingsource` ");
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$VideoInput = 1;
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foreach $gata (@result) {
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print "EPGDays$VideoInput.value $gata\n";
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$VideoInput++;
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}
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#Get number of programs in EPG per video source
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$VideoInput = 1;
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@result1=SQLQuery("SELECT count(*)/1000 FROM `program` GROUP BY `listingsource` ");
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foreach $gata (@result1) {
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print "EPGPrograms$VideoInput.value $gata\n";
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$VideoInput++;
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}
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}
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if ($GraphOption eq "job") {
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@result=SQLQuery("SELECT count(*) FROM `inuseprograms` WHERE `recusage` = 'recorder' ");
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print "Jobs.value $result[0]\n";
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}
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if ($GraphOption eq "schedule") {
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@result=SQLQuery("SELECT COUNT(recordmatch.recordid) FROM `recordmatch` where UNIX_TIMESTAMP(recordmatch.starttime) > UNIX_TIMESTAMP(NOW())");
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print "Upcomming.value $result[0]\n";
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@result=SQLQuery("SELECT count( * ) FROM `record`");
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print "Recording.value $result[0]\n";
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}
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if ($GraphOption eq "recorded") {
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@result=SQLQuery("select sum(UNIX_TIMESTAMP(recorded.endtime) - UNIX_TIMESTAMP(recorded.starttime))/3600 from recorded where recorded.recgroup = 'LiveTV' ");
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print "RecHoursLiveTV.value $result[0]\n";
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@result=SQLQuery("select sum(UNIX_TIMESTAMP(recorded.endtime) - UNIX_TIMESTAMP(recorded.starttime))/3600 from recorded where recorded.recgroup != 'LiveTV' ");
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print "RecHours.value $result[0]\n";
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@result=SQLQuery("SELECT count( recorded.chanid ) FROM recorded");
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print "Recorded.value $result[0]\n";
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@result=SQLQuery("SELECT count(*) FROM `recorded` WHERE recorded.watched != 0");
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print "Watched.value $result[0]\n";
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}
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exit 0;
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#Try and read MythTV configuration parameters from mysql.txt (This could be in several places)
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sub PrepSQLRead {
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my $hostname = `hostname`;
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chomp($hostname);
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# Read the mysql.txt file in use by MythTV. Could be in a couple places, so try the usual suspects
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my $found = 0;
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my @mysql = ('/usr/local/share/mythtv/mysql.txt',
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'/usr/share/mythtv/mysql.txt',
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'/etc/mythtv/mysql.txt',
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'/usr/local/etc/mythtv/mysql.txt',
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"$ENV{HOME}/.mythtv/mysql.txt",
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'mysql.txt'
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);
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foreach my $file (@mysql) {
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next unless (-e $file);
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$found = 1;
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open(CONF, $file) or die "Unable to open $file: $!\n\n";
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while (my $line = <CONF>) {
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# Cleanup
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next if ($line =~ /^\s*#/);
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$line =~ s/^str //;
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chomp($line);
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# Split off the var=val pairs
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my ($var, $val) = split(/\=/, $line, 2);
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next unless ($var && $var =~ /\w/);
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if ($var eq 'DBHostName') {
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$SQLServer = $val;
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}
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elsif ($var eq 'DBUserName') {
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$SQLUser = $val;
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}
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elsif ($var eq 'DBName') {
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$SQLDBName = $val;
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}
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elsif ($var eq 'DBPassword') {
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$SQLPassword = $val;
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}
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# Hostname override
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elsif ($var eq 'LocalHostName') {
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$hostname = $val;
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}
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}
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close CONF;
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}
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die "Unable to locate mysql.txt: $!\n\n" unless ($found && $SQLServer);
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return 0;
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}
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#Perform SQL query
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sub SQLQuery {
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my ($QUERY) = @_;
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my @data;
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my $dbh = DBI->connect("DBI:mysql:$SQLDBName:$SQLServer", $SQLUser, $SQLPassword)
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or die "Couldn't connect to database: " . DBI->errstr;
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my $table_data = $dbh->prepare($QUERY) or die "Couldn't prepare statement: " . $dbh->errstr;
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$table_data->execute or die "Couldn't execute statement: " . $table_data->errstr;
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while ( $ref = $table_data->fetchrow_arrayref() ) {
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push (@data,@{$ref})
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}
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if ($data[0]) {
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return @data;
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} else {
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return 0;
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}
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}
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