/**
* Generates a graph file at $graph_file using $options
* Opens its own rrdtool pipe.
*
* @return integer
* @param string graph_file
* @param string options
*/
function rrdtool_graph($graph_file, $options)
{
global $config, $debug;
rrdtool_pipe_open($rrd_process, $rrd_pipes);
if (is_resource($rrd_process)) {
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
if ($config['rrdcached']) {
fwrite($rrd_pipes[0], "graph --daemon " . $config['rrdcached'] . " {$graph_file} {$options}");
} else {
fwrite($rrd_pipes[0], "graph {$graph_file} {$options}");
}
fclose($rrd_pipes[0]);
while (strlen($line) < 1) {
$line = fgets($rrd_pipes[1], 1024);
$data .= $line;
}
$return_value = rrdtool_pipe_close($rrd_process, $rrd_pipes);
if ($debug) {
echo "<p>";
if ($debug) {
echo "graph {$graph_file} {$options}";
}
echo "</p><p>";
echo "command returned {$return_value} ({$data})\n";
echo "</p>";
}
return $data;
} else {
return 0;
}
}
) temp
WHERE MOD(temp.rownum, ' . $options['i'] . ') = ?;';
$doing = $options['n'] . "/" . $options['i'];
$params[] = $options['n'];
//print_vars($query);
//print_vars($params);
}
if (!$where) {
print_message("%n\nUSAGE:\n{$scriptname} [-drqV] [-i instances] [-n number] [-m module] [-h device]\n\nEXAMPLE:\n-h <device id> | <device hostname wildcard> Poll single device\n-h odd Poll odd numbered devices (same as -i 2 -n 0)\n-h even Poll even numbered devices (same as -i 2 -n 1)\n-h all Poll all devices\n-h new Poll all devices that have not had a discovery run before\n\n-i <instances> -n <id/number> Poll as instance <id/number> of <instances>\n Instance numbers start at 0. 0-3 for -i 4\n Example:\n -i 4 -n 0\n -i 4 -n 1\n -i 4 -n 2\n -i 4 -n 3\n\nOPTIONS:\n -h Device hostname, id or key odd/even/all/new.\n -i Poll instances count.\n -n Instance id (number), must start from 0 and to be less than instances count.\n -q Quiet output.\n -M Show globally enabled/disabled modules and exit.\n -V Show version and exit.\n\nDEBUGGING OPTIONS:\n -r Do not create or update RRDs\n -d Enable debugging output.\n -dd More verbose debugging output.\n -m Specify module(s) (separated by commas) to be run.\n\n%rInvalid arguments!%n", 'color', FALSE);
exit;
}
if (isset($options['r'])) {
$config['norrd'] = TRUE;
}
$cache['maint'] = cache_alert_maintenance();
rrdtool_pipe_open($rrd_process, $rrd_pipes);
print_cli_heading("%WStarting polling run at " . date("Y-m-d H:i:s"), 0);
$polled_devices = 0;
if (!isset($query)) {
$query = "SELECT `device_id` FROM `devices` WHERE `disabled` = 0 {$where} ORDER BY `device_id` ASC";
}
foreach (dbFetch($query, $params) as $device) {
$device = dbFetchRow("SELECT * FROM `devices` WHERE `device_id` = ?", array($device['device_id']));
poll_device($device, $options);
$polled_devices++;
}
$poller_end = utime();
$poller_run = $poller_end - $poller_start;
$poller_time = substr($poller_run, 0, 5);
if ($polled_devices) {
dbInsert(array('type' => 'poll', 'doing' => $doing, 'start' => $poller_start, 'duration' => $poller_time, 'devices' => $polled_devices), 'perf_times');
function rrdtool_graph($graph_file, $options)
{
global $config;
// Note, always use pipes, because standard command line has limits!
if ($config['rrdcached']) {
$cmd = 'graph --daemon ' . $config['rrdcached'] . " {$graph_file} {$options}";
} else {
$cmd = "graph {$graph_file} {$options}";
}
$GLOBALS['rrd_status'] = FALSE;
$GLOBALS['exec_status'] = array('command' => $config['rrdtool'] . ' ' . $cmd, 'stdout' => '', 'exitcode' => -1);
$start = microtime(TRUE);
rrdtool_pipe_open($rrd_process, $rrd_pipes);
if (is_resource($rrd_process)) {
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
fwrite($rrd_pipes[0], $cmd);
fclose($rrd_pipes[0]);
$iter = 0;
while (strlen($line) < 1 && $iter < 1000) {
// wait for 10 milliseconds to loosen loop
usleep(10000);
$line = fgets($rrd_pipes[1], 1024);
$stdout .= $line;
$iter++;
}
$stdout = preg_replace('/(?:\\n|\\r\\n|\\r)$/D', '', $stdout);
// remove last (only) eol
unset($iter);
$runtime = microtime(TRUE) - $start;
// Check rrdtool's output for the command.
if (preg_match('/\\d+x\\d+/', $stdout)) {
$GLOBALS['rrd_status'] = TRUE;
} else {
$stderr = trim(stream_get_contents($rrd_pipes[2]));
if (isset($config['rrd']['debug']) && $config['rrd']['debug']) {
logfile('rrd.log', "RRD {$stderr}, CMD: " . $GLOBALS['exec_status']['command']);
}
}
$exitcode = rrdtool_pipe_close($rrd_process, $rrd_pipes);
$GLOBALS['exec_status']['exitcode'] = $exitcode;
$GLOBALS['exec_status']['stdout'] = $stdout;
$GLOBALS['exec_status']['stderr'] = $stderr;
} else {
$runtime = microtime(TRUE) - $start;
$stdout = NULL;
}
$GLOBALS['exec_status']['runtime'] = $runtime;
// Add some data to global array $graph_return
$GLOBALS['graph_return']['status'] = $GLOBALS['rrd_status'];
$GLOBALS['graph_return']['command'] = $GLOBALS['exec_status']['command'];
$GLOBALS['graph_return']['filename'] = $graph_file;
$GLOBALS['graph_return']['output'] = $stdout;
$GLOBALS['graph_return']['runtime'] = $GLOBALS['exec_status']['runtime'];
if (OBS_DEBUG) {
print_message(PHP_EOL . 'RRD CMD[%y' . $cmd . '%n]', 'console', FALSE);
$debug_msg = 'RRD RUNTIME[' . ($runtime > 0.1 ? '%r' : '%g') . round($runtime, 4) . 's%n]' . PHP_EOL;
$debug_msg .= 'RRD STDOUT[' . ($GLOBALS['rrd_status'] ? '%g' : '%r') . $stdout . '%n]' . PHP_EOL;
if ($stderr) {
$debug_msg .= 'RRD STDERR[%r' . $stderr . '%n]' . PHP_EOL;
}
$debug_msg .= 'RRD_STATUS[' . ($GLOBALS['rrd_status'] ? '%gTRUE' : '%rFALSE') . '%n]';
print_message($debug_msg . PHP_EOL, 'console');
}
return $stdout;
}
function rrdtool_graph_xport($options)
{
global $config;
$debug = 1;
header('Content-type: text/html');
if (substr_count($options, '--alt-autoscale-max') > 1) {
$options = substr($options, strripos($options, '--alt-autoscale-max'));
}
$options = str_replace(array('--alt-autoscale-max ', '--rigid ', '-E'), '', $options);
$options = preg_replace(array('/--(width|height)\\s[\\d]+/', '/-c\\s[^\\s]+/', '/--font\\s[^\\s]+/', '/--font-render-mode\\s[^\\s]+/', '/-R\\s[^\\s]+/'), '', $options);
$xport = "";
if (preg_match_all("/(?<=\\s)DEF:[\\s]?([a-zA-Z]+)(?==)/", $options, $matches)) {
$def = $matches[1];
foreach ($def as $d) {
$xport .= "XPORT:" . $d . ":" . "\"" . str_replace(":", "", $d) . "\" ";
}
}
rrdtool_pipe_open($rrd_process, $rrd_pipes);
if (is_resource($rrd_process)) {
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
fwrite($rrd_pipes[0], "xport {$graph_file} {$options} {$xport}");
fclose($rrd_pipes[0]);
while (strlen($line) < 1) {
// wait for 10 milliseconds to loosen loop
usleep(10000);
$line = fgets($rrd_pipes[1], 1024);
$data .= $line;
}
$return_value = rrdtool_pipe_close($rrd_process, $rrd_pipes);
return $data;
} else {
return 0;
}
}
