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weathermap

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[/] [lib/] [poller-common.php] - Blame information for rev 3

 

Line No. Rev Author Line
11simandl<?
2// common code used by the poller, the manual-run from the Cacti UI, and from the command-line manual-run.
3// this is the easiest way to keep it all consistent!
4 
5function weathermap_run_maps($mydir) {
6 global $config;
7 global $weathermap_debugging, $WEATHERMAP_VERSION;
8 
9 include_once($mydir.DIRECTORY_SEPARATOR."HTML_ImageMap.class.php");
10 include_once($mydir.DIRECTORY_SEPARATOR."Weathermap.class.php");
11 
12 $outdir = $mydir.DIRECTORY_SEPARATOR.'output';
13 $confdir = $mydir.DIRECTORY_SEPARATOR.'configs';
14 
15 $mapcount = 0;
16 
17 // take our debugging cue from the poller - turn on Poller debugging to get weathermap debugging
18 if (read_config_option("log_verbosity") >= POLLER_VERBOSITY_DEBUG)
19 {
20 $weathermap_debugging = TRUE;
21 $mode_message = "DEBUG mode is on";
22 }
23 else
24 {
25 $mode_message = "Normal logging mode. Turn on DEBUG in Cacti for more information";
26 }
27 $quietlogging = read_config_option("weathermap_quiet_logging");
28 // moved this outside the module_checks, so there should always be something in the logs!
29 if($quietlogging==0) cacti_log("Weathermap $WEATHERMAP_VERSION starting - $mode_message",true,"WEATHERMAP");
30 
31 if(module_checks())
32 {
33 
34 // move to the weathermap folder so all those relatives paths don't *have* to be absolute
35 $orig_cwd = getcwd();
36 chdir($mydir);
37 
38 // first, see if the output directory even exists
39 if(is_dir($outdir))
40 {
41 // next, make sure that we stand a chance of writing files
42 //// $testfile = realpath($outdir."weathermap.permissions.test");
43 $testfile = $outdir.DIRECTORY_SEPARATOR."weathermap.permissions.test";
44 $testfd = fopen($testfile, 'w');
45 if($testfd)
46 {
47 fclose($testfd);
48 unlink($testfile);
49 
50 $queryrows = db_fetch_assoc("select * from weathermap_maps where active='on' order by sortorder,id");
51 
52 if( is_array($queryrows) )
53 {
54 debug("Iterating all maps.");
55 
56 $imageformat = strtolower(read_config_option("weathermap_output_format"));
57 
58 foreach ($queryrows as $map) {
59 $mapfile = $confdir.DIRECTORY_SEPARATOR.$map['configfile'];
60 $htmlfile = $outdir.DIRECTORY_SEPARATOR."weathermap_".$map['id'].".html";
61 $imagefile = $outdir.DIRECTORY_SEPARATOR."weathermap_".$map['id'].".".$imageformat;
62 $thumbimagefile = $outdir.DIRECTORY_SEPARATOR."weathermap_thumb_".$map['id'].".".$imageformat;
63 
64 if(file_exists($mapfile))
65 {
66 if($quietlogging==0) warn("Map: $mapfile -> $htmlfile & $imagefile");
67 
68 $wmap = new Weathermap;
69 $wmap->context = "cacti";
70 
71 // we can grab the rrdtool path from Cacti's config, in this case
72 $wmap->rrdtool = read_config_option("path_rrdtool");
73 
74 $wmap->ReadConfig($mapfile);
75 $wmap->ReadData();
76 
77 // $wmap->imageuri = $config['url_path'].'/plugins/weathermap/output/weathermap_'.$map['id'].".".$imageformat;
78 $wmap->imageuri = 'output/weathermap_'.$map['id'].".".$imageformat;
79 
80 if($quietlogging==0) warn("About to write image file. If this is the last message in your log, increase memory_limit in php.ini");
81 if(function_exists("memory_get_usage"))
82 {
83 $mem_used = nice_bandwidth(memory_get_usage());
84 $mem_allowed = ini_get("memory_limit");
85 debug("memory_get_usage() says ".$mem_used."Bytes used. Limit is ".$mem_allowed."\n");
86 }
87 
88 
89 $wmap->DrawMap($imagefile,$thumbimagefile,read_config_option("weathermap_thumbsize"));
90 
91 if($quietlogging==0) warn("Wrote map to $imagefile and $thumbimagefile");
92 $fd = @fopen($htmlfile, 'w');
93 if($fd != FALSE)
94 {
95 fwrite($fd, $wmap->MakeHTML('weathermap_'.$map['id'].'_imap'));
96 fclose($fd);
97 debug("Wrote HTML to $htmlfile");
98 }
99 else
100 {
101 if(file_exists($htmlfile))
102 {
103 warn("Failed to overwrite $htmlfile - permissions of existing file are wrong?\n");
104 }
105 else
106 {
107 warn("Failed to create $htmlfile - permissions of output directory are wrong?\n");
108 }
109 }
110 
111 db_execute("update weathermap_maps set titlecache='".mysql_real_escape_string($wmap->title)."' where id=".$map['id']);
112 $mapcount++;
113 }
114 else
115 {
116 warn("Mapfile $mapfile is not readable or doesn't exist");
117 }
118 }
119 debug("Iterated all $mapcount maps.");
120 }
121 else
122 {
123 if($quietlogging==0) warn("No activated maps found.");
124 }
125 }
126 else
127 {
128 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)");
129 }
130 }
131 else
132 {
133 warn("Output directory ($outdir) doesn't exist!. No maps created. You probably need to create that directory, and make it writable by the poller process (like you did with the RRA directory)");
134 }
135 chdir($orig_cwd);
136 if($quietlogging==0) warn("Weathermap $WEATHERMAP_VERSION run complete - $mapcount maps were run");
137 }
138 else
139 {
140 warn("Required modules for PHP Weathermap $WEATHERMAP_VERSION were not present. Not running.");
141 }
142}
143 
144 
145// vim:ts=4:sw=4:
146?>

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