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<?php
// common code used by the poller, the manual-run from the Cacti UI, and from the command-line manual-run.
// this is the easiest way to keep it all consistent!
function weathermap_memory_check($note="MEM")
{
if(function_exists("memory_get_usage"))
{
$mem_used = nice_bandwidth(memory_get_usage());
$mem_allowed = ini_get("memory_limit");
debug("$note: memory_get_usage() says ".$mem_used."Bytes used. Limit is ".$mem_allowed."\n");
}
}
function weathermap_cron_part($value,$checkstring)
{
// XXX - this should really handle a few more crontab niceties like */5 or 3,5-9 but this will do for now
if($checkstring == '*') return(true);
if($checkstring == sprintf("%s",$value) ) return(true);
if( preg_match("/\*\/(\d+)/",$checkstring, $matches))
{
$mod = $matches[1];
if( ($value % $mod ) == 0) return true;
}
return (false);
}
function weathermap_check_cron($time,$string)
{
if($string == '') return(true);
if($string == '*') return(true);
$lt = localtime($time, true);
list($minute,$hour,$wday,$day,$month) = preg_split('/\s+/',$string);
$matched = true;
$matched = $matched && weathermap_cron_part($lt['tm_min'],$minute);
$matched = $matched && weathermap_cron_part($lt['tm_hour'],$hour);
$matched = $matched && weathermap_cron_part($lt['tm_wday'],$wday);
$matched = $matched && weathermap_cron_part($lt['tm_mday'],$day);
$matched = $matched && weathermap_cron_part($lt['tm_mon']+1,$month);
return($matched);
}
function weathermap_run_maps($mydir) {
global $config;
global $weathermap_debugging, $WEATHERMAP_VERSION;
global $weathermap_map;
global $weathermap_warncount;
global $weathermap_poller_start_time;
include_once($mydir.DIRECTORY_SEPARATOR."HTML_ImageMap.class.php");
include_once($mydir.DIRECTORY_SEPARATOR."Weathermap.class.php");
$total_warnings = 0;
$start_time = time();
if($weathermap_poller_start_time==0) $weathermap_poller_start_time = $start_time;
$outdir = $mydir.DIRECTORY_SEPARATOR.'output';
$confdir = $mydir.DIRECTORY_SEPARATOR.'configs';
$mapcount = 0;
// take our debugging cue from the poller - turn on Poller debugging to get weathermap debugging
if (read_config_option("log_verbosity") >= POLLER_VERBOSITY_DEBUG)
{
$weathermap_debugging = TRUE;
$mode_message = "DEBUG mode is on";
}
else
{
$mode_message = "Normal logging mode. Turn on DEBUG in Cacti for more information";
}
$quietlogging = read_config_option("weathermap_quiet_logging");
// moved this outside the module_checks, so there should always be something in the logs!
if($quietlogging==0) cacti_log("Weathermap $WEATHERMAP_VERSION starting - $mode_message\n",true,"WEATHERMAP");
if(module_checks())
{
weathermap_memory_check("MEM Initial");
// move to the weathermap folder so all those relatives paths don't *have* to be absolute
$orig_cwd = getcwd();
chdir($mydir);
db_execute("replace into settings values('weathermap_last_start_time','".mysql_escape_string(time())."')");
// first, see if the output directory even exists
if(is_dir($outdir))
{
// next, make sure that we stand a chance of writing files
//// $testfile = realpath($outdir."weathermap.permissions.test");
$testfile = $outdir.DIRECTORY_SEPARATOR."weathermap.permissions.test";
$testfd = fopen($testfile, 'w');
if($testfd)
{
fclose($testfd);
unlink($testfile);
$queryrows = db_fetch_assoc("select m.*, g.name as groupname from weathermap_maps m,weathermap_groups g where m.group_id=g.id and active='on' order by sortorder,id");
if( is_array($queryrows) )
{
debug("Iterating all maps.");
$imageformat = strtolower(read_config_option("weathermap_output_format"));
$rrdtool_path = read_config_option("path_rrdtool");
foreach ($queryrows as $map) {
// reset the warning counter
$weathermap_warncount=0;
// this is what will prefix log entries for this map
$weathermap_map = "[Map ".$map['id']."] ".$map['configfile'];
debug("FIRST TOUCH\n");
if(weathermap_check_cron($weathermap_poller_start_time,$map['schedule']))
{
$mapfile = $confdir.DIRECTORY_SEPARATOR.$map['configfile'];
$htmlfile = $outdir.DIRECTORY_SEPARATOR.$map['filehash'].".html";
$imagefile = $outdir.DIRECTORY_SEPARATOR.$map['filehash'].".".$imageformat;
$thumbimagefile = $outdir.DIRECTORY_SEPARATOR.$map['filehash'].".thumb.".$imageformat;
if(file_exists($mapfile))
{
if($quietlogging==0) warn("Map: $mapfile -> $htmlfile & $imagefile\n",TRUE);
db_execute("replace into settings values('weathermap_last_started_file','".mysql_escape_string($weathermap_map)."')");
$map_start = time();
weathermap_memory_check("MEM starting $mapcount");
$wmap = new Weathermap;
$wmap->context = "cacti";
// we can grab the rrdtool path from Cacti's config, in this case
$wmap->rrdtool = $rrdtool_path;
$wmap->ReadConfig($mapfile);
$wmap->add_hint("mapgroup",$map['groupname']);
$wmap->add_hint("mapgroupextra",($map['group_id'] ==1 ? "" : $map['groupname'] ));
# in the order of precedence - global extras, group extras, and finally map extras
$queries = array();
$queries[] = "select * from weathermap_settings where mapid=0 and groupid=0";
$queries[] = "select * from weathermap_settings where mapid=0 and groupid=".intval($map['group_id']);
$queries[] = "select * from weathermap_settings where mapid=".intval($map['id']);
foreach ($queries as $sql)
{
$settingrows = db_fetch_assoc($sql);
if( is_array($settingrows) && count($settingrows) > 0 )
{
foreach ($settingrows as $setting)
{
if($setting['mapid']==0 && $setting['groupid']==0)
{
debug("Setting additional (all maps) option: ".$setting['optname']." to '".$setting['optvalue']."'\n");
$wmap->add_hint($setting['optname'],$setting['optvalue']);
}
elseif($setting['groupid']!=0)
{
debug("Setting additional (all maps in group) option: ".$setting['optname']." to '".$setting['optvalue']."'\n");
$wmap->add_hint($setting['optname'],$setting['optvalue']);
}
else
{ debug("Setting additional map-global option: ".$setting['optname']." to '".$setting['optvalue']."'\n");
$wmap->add_hint($setting['optname'],$setting['optvalue']);
}
}
}
}
weathermap_memory_check("MEM postread $mapcount");
$wmap->ReadData();
weathermap_memory_check("MEM postdata $mapcount");
// why did I change this before? It's useful...
// $wmap->imageuri = $config['url_path'].'/plugins/weathermap/output/weathermap_'.$map['id'].".".$imageformat;
$wmap->imageuri = 'weathermap-cacti-plugin.php?action=viewimage&id='.$map['filehash']."&time=".time();
if($quietlogging==0) warn("About to write image file. If this is the last message in your log, increase memory_limit in php.ini [WMPOLL01]\n",TRUE);
weathermap_memory_check("MEM pre-render $mapcount");
$wmap->DrawMap($imagefile,$thumbimagefile,read_config_option("weathermap_thumbsize"));
if($quietlogging==0) warn("Wrote map to $imagefile and $thumbimagefile\n",TRUE);
$fd = @fopen($htmlfile, 'w');
if($fd != FALSE)
{
fwrite($fd, $wmap->MakeHTML('weathermap_'.$map['filehash'].'_imap'));
fclose($fd);
debug("Wrote HTML to $htmlfile");
}
else
{
if(file_exists($htmlfile))
{
warn("Failed to overwrite $htmlfile - permissions of existing file are wrong? [WMPOLL02]\n");
}
else
{
warn("Failed to create $htmlfile - permissions of output directory are wrong? [WMPOLL03]\n");
}
}
$processed_title = $wmap->ProcessString($wmap->title,$wmap);
db_execute("update weathermap_maps set titlecache='".mysql_real_escape_string($processed_title)."' where id=".intval($map['id']));
if(intval($wmap->thumb_width) > 0)
{
db_execute("update weathermap_maps set thumb_width=".intval($wmap->thumb_width).", thumb_height=".intval($wmap->thumb_height)." where id=".intval($map['id']));
}
unset($wmap);
$map_duration = time() - $map_start;
debug("TIME: $mapfile took $map_duration seconds.\n");
weathermap_memory_check("MEM after $mapcount");
$mapcount++;
db_execute("replace into settings values('weathermap_last_finished_file','".mysql_escape_string($weathermap_map)."')");
}
else
{
warn("Mapfile $mapfile is not readable or doesn't exist [WMPOLL04]\n");
}
db_execute("update weathermap_maps set warncount=".intval($weathermap_warncount)." where id=".intval($map['id']));
$total_warnings += $weathermap_warncount;
$weathermap_warncount = 0;
$weathermap_map="";
}
else
{
debug("Skipping ".$map['id']." (".$map['configfile'].") due to schedule.\n");
}
}
debug("Iterated all $mapcount maps.\n");
}
else
{
if($quietlogging==0) warn("No activated maps found. [WMPOLL05]\n");
}
}
else
{
warn("Output directory ($outdir) isn't writable (tried to create '$testfile'). No maps created. You probably need to make it writable by the poller process (like you did with the RRA directory) [WMPOLL06]\n");
}
}
else
{
warn("Output directory ($outdir) doesn't exist!. No maps created. You probably need to create that directory, and make it writable by the poller process (like you did with the RRA directory) [WMPOLL07]\n");
}
weathermap_memory_check("MEM Final");
chdir($orig_cwd);
$duration = time() - $start_time;
$stats_string = date(DATE_RFC822) . ": $mapcount maps were run in $duration seconds with $total_warnings warnings.";
if($quietlogging==0) warn("STATS: Weathermap $WEATHERMAP_VERSION run complete - $stats_string\n", TRUE);
db_execute("replace into settings values('weathermap_last_stats','".mysql_escape_string($stats_string)."')");
db_execute("replace into settings values('weathermap_last_finish_time','".mysql_escape_string(time())."')");
}
else
{
warn("Required modules for PHP Weathermap $WEATHERMAP_VERSION were not present. Not running. [WMPOLL08]\n");
}
}
// vim:ts=4:sw=4:
?>