analyzer.php

<?php
// Dependency
require_once(dirname(__FILE__) . '/includes/functions.php');


// Generate file selection from logs directory
$target_dir = dirname(__FILE__) . '/logs';
$file_selection = scandir($target_dir);


// Filenames to exclude
$exclude_names = array('.', '..', '.DS_Store');
$valid_names = array();
foreach($file_selection as $name) {

  if(!in_array($name, $exclude_names))
    $valid_names[$name] = $target_dir . '/' . $name;

}


// Query
$line_no = @(int)$_GET['line_no'] ? (int)$_GET['line_no'] : false;
$search_term = @!empty($_GET['search_term']) ? $_GET['search_term'] : false;


// Open requested file
$target_file = array_key_exists(@$_GET['f'], $valid_names) ? $valid_names[$_GET['f']] : false;
$target_name = $target_file ? basename($target_file) : false;

$f = new LogAnalyzer($target_file);


// Benchmarks
$l_start = benchmark_start();
$line = $f->stream_file_get_line($line_no);
$l_benchmark = benchmark($l_start);

$c_start = benchmark_start();
$data = $f->stream_file_search($search_term);
$c_benchmark = benchmark($c_start);

$fields = Aggregator::line_to_fields_array($line, Aggregator::$FIELDS, Aggregator::$FIELDS_REGEX);

// Aggregation
if($data) {

  $a_start = benchmark_start();
  $agg = Aggregator::aggregate_data($data);
  $agg['user_agent'] = aggregate_user_agents($data);
  $a_benchmark = benchmark($a_start);

}
?>

<style type="text/css">

  .clear {
    clear: both;
  }

  .error {
    color: #e00;
  }

  .left-col {
    width: 422px;
    float: left;
  }

  .right-col {
    width: 600px;
    float: right;
  }

  #file-selection {
    height: 140px;
    width: 400px;
    overflow: auto;
    border: 1px solid #eee;
    padding: 10px;
    margin: 0;
  }

</style>

<h1>Log Analyzer</h1>

<?php if($f->error) : ?>
  <div class="error"><?php echo $f->error; ?></div>
<?php endif; ?>

<div class="left-col">
  <h2>File Selection</h2>
  <p>Found <?php echo count($valid_names); ?> files in <?php echo $target_dir; ?>:</p>
  <ul id="file-selection">
    <?php foreach($valid_names as $name => $file_path) : ?>
      <li><a href="?f=<?php echo $name; ?>"><?php echo $name; ?></a></li>
    <?php endforeach; ?>
  </ul>

  <?php if($target_name): ?>
    <form action="" method="get">
      <p>
        Get line no.: <input type="text" name="line_no" size="5" value="<?php echo @$_GET['line_no']; ?>" />
        <input type="hidden" name="f" value="<?php echo $target_name; ?>" />
        <input type="Submit" />
      </p>
    </form>
  <?php endif; ?>

  <?php if($line) : ?>

    <h3>stream_file_get_line(<?php echo $line_no; ?>)</h3>
    <p><pre><?php print_r($fields); ?></pre></p>
    <p>Finished in <?php echo $l_benchmark ?> seconds</p>

  <?php endif; ?>
</div>

<div class="right-col">
  <?php if($target_name): ?>
    <form action="" method="get">
      <p>
        Search term:<br /><input type="text" name="search_term" value="<?php echo @$_GET['search_term']; ?>" />
        <small>(Limit <?php echo number_format($f::$SEARCH_LIMIT, 0, '', ','); ?> results)</small>
      </p>
      <p>
        <input type="hidden" name="f" value="<?php echo $target_name; ?>" />
        <input type="Submit" />
      </p>
    </form>
  <?php endif; ?>


  <?php if($data) : ?>

    <h3>stream_file_search("<?php echo $search_term; ?>")</h3>

    <p>
      <?php echo number_format($f->results_found, 0, '', ','); ?> results <?php echo "in {$c_benchmark} seconds" ?><br />
      Aggregated user agents in <?php echo $a_benchmark; ?> seconds
    </p>

    <table class="results" border="1" width="95%">
      <?php foreach($agg as $section => $data) : ?>
        <tr>
          <th colspan="2"><?php echo $section; ?></th>
        </tr>
        <?php foreach($data as $field => $score) : ?>
        <tr>
          <td width="50%"><?php echo $field; ?></td>
          <td>
            <?php if(is_array($score)) : ?>
              <?php foreach($score as $k => $v) : ?>
                <?php echo $k; ?> (<?php echo $v; ?>)<br />
              <?php endforeach; ?>
            <?php else : ?>
            <?php echo $score; ?>
            <?php endif; ?>
          </td>
        </tr>
      <?php endforeach; ?>
    <?php endforeach; ?>
    </table>

  <?php endif; ?>
</div>

<div class="clear"></div>