Thomas Bruederli
2014-04-23 31aa080609f6ea8a561182eb5b3da46733bef313
Further refine cross-folder searching:
- Store incomplete search results in session and re-send search requests
to the server if returned before complete (this should avoid hitting request timeouts).
- Display full folder path on mouseover in message list
- Remove pthreads implementation stuff as this wasn't really working
9 files modified
280 ■■■■ changed files
program/js/app.js 16 ●●●●● patch | view | raw | blame | history
program/lib/Roundcube/rcube_imap.php 10 ●●●●● patch | view | raw | blame | history
program/lib/Roundcube/rcube_imap_search.php 169 ●●●● patch | view | raw | blame | history
program/lib/Roundcube/rcube_result_index.php 2 ●●●●● patch | view | raw | blame | history
program/lib/Roundcube/rcube_result_multifolder.php 52 ●●●●● patch | view | raw | blame | history
program/lib/Roundcube/rcube_result_thread.php 2 ●●●●● patch | view | raw | blame | history
program/localization/en_US/messages.inc 1 ●●●● patch | view | raw | blame | history
program/steps/mail/func.inc 2 ●●● patch | view | raw | blame | history
program/steps/mail/search.inc 26 ●●●● patch | view | raw | blame | history
program/js/app.js
@@ -1992,6 +1992,9 @@
        else
          html = ' ';
      }
      else if (c == 'folder') {
        html = '<span onmouseover="rcube_webmail.long_subject_title(this)">' + cols[c] + '<span>';
      }
      else
        html = cols[c];
@@ -4212,6 +4215,17 @@
    }
    return false;
  };
  this.continue_search = function(request_id)
  {
    var lock = ref.set_busy(true, 'stillsearching');
    setTimeout(function(){
      var url = ref.search_params();
      url._continue = request_id;
      ref.env.qsearch = { lock: lock, request: ref.http_request('search', url, lock) };
    }, 100);
  };
  // build URL params for search
@@ -7870,7 +7884,7 @@
{
  if (!elem.title) {
    var $elem = $(elem);
    if ($elem.width() + indent * 15 > $elem.parent().width())
    if ($elem.width() + (indent || 0) * 15 > $elem.parent().width())
      elem.title = $elem.text();
  }
};
program/lib/Roundcube/rcube_imap.php
@@ -1513,6 +1513,16 @@
            $this->threading = false;
            $searcher = new rcube_imap_search($this->options, $this->conn);
            // set limit to not exceed the client's request timeout
            $searcher->set_timelimit(60);
            // continue existing incomplete search
            if (!empty($this->search_set) && $this->search_set->incomplete && $str == $this->search_string) {
                $searcher->set_results($this->search_set);
            }
            // execute the search
            $results = $searcher->exec(
                $folder,
                $str,
program/lib/Roundcube/rcube_imap_search.php
@@ -5,7 +5,7 @@
 | This file is part of the Roundcube Webmail client                     |
 |                                                                       |
 | Copyright (C) 2013, The Roundcube Dev Team                            |
 | Copyright (C) 2013, Kolab Systems AG                                  |
 | Copyright (C) 2014, Kolab Systems AG                                  |
 |                                                                       |
 | Licensed under the GNU General Public License version 3 or            |
 | any later version with exceptions for skins & plugins.                |
@@ -18,15 +18,8 @@
 +-----------------------------------------------------------------------+
*/
// create classes defined by the pthreads module if that isn't installed
if (!defined('PTHREADS_INHERIT_ALL')) {
    class Worker { }
    class Stackable { }
}
/**
 * Class to control search jobs on multiple IMAP folders.
 * This implement a simple threads pool using the pthreads extension.
 *
 * @package    Framework
 * @subpackage Storage
@@ -36,12 +29,10 @@
{
    public $options = array();
    private $size = 10;
    private $next = 0;
    private $workers = array();
    private $states = array();
    private $jobs = array();
    private $conn;
    protected $jobs = array();
    protected $timelimit = 0;
    protected $results;
    protected $conn;
    /**
     * Default constructor
@@ -63,28 +54,32 @@
     */
    public function exec($folders, $str, $charset = null, $sort_field = null, $threading=null)
    {
        $pthreads = defined('PTHREADS_INHERIT_ALL');
        $start = floor(microtime(true));
        $results = new rcube_result_multifolder($folders);
        // start a search job for every folder to search in
        foreach ($folders as $folder) {
            $job = new rcube_imap_search_job($folder, $str, $charset, $sort_field, $threading);
            if ($pthreads && $this->submit($job)) {
                $this->jobs[] = $job;
            // a complete result for this folder already exists
            $result = $this->results ? $this->results->get_set($folder) : false;
            if ($result && !$result->incomplete) {
                $results->add($result);
            }
            else {
                $job = new rcube_imap_search_job($folder, $str, $charset, $sort_field, $threading);
                $job->worker = $this;
                $job->run();
                $this->jobs[] = $job;
            }
        }
        // wait for all workers to be done
        $this->shutdown();
        // gather results
        // execute jobs and gather results
        foreach ($this->jobs as $job) {
            // only run search if within the configured time limit
            // TODO: try to estimate the required time based on folder size and previous search performance
            if (!$this->timelimit || floor(microtime(true)) - $start < $this->timelimit) {
                $job->run();
            }
            // add result (may have ->incomplete flag set)
            $results->add($job->get_result());
        }
@@ -92,51 +87,21 @@
    }
    /**
     * Assign the given job object to one of the worker threads for execution
     * Setter for timelimt property
     */
    public function submit(Stackable $job)
    public function set_timelimit($seconds)
    {
        if (count($this->workers) < $this->size) {
            $id = count($this->workers);
            $this->workers[$id] = new rcube_imap_search_worker($id, $this->options);
            $this->workers[$id]->start(PTHREADS_INHERIT_ALL);
            if ($this->workers[$id]->stack($job)) {
                return $job;
            }
            else {
                // trigger_error(sprintf("Failed to push Stackable onto %s", $id), E_USER_WARNING);
            }
        }
        if (($worker = $this->workers[$this->next])) {
            $this->next = ($this->next+1) % $this->size;
            if ($worker->stack($job)) {
                return $job;
            }
            else {
                // trigger_error(sprintf("Failed to stack onto selected worker %s", $worker->id), E_USER_WARNING);
            }
        }
        else {
            // trigger_error(sprintf("Failed to select a worker for Stackable"), E_USER_WARNING);
        }
        return false;
        $this->timelimit = $seconds;
    }
    /**
     * Shutdown the pool of threads cleanly, retaining exit status locally
     * Setter for previous (potentially incomplete) search results
     */
    public function shutdown()
    public function set_results($res)
    {
        foreach ($this->workers as $worker) {
            $this->states[$worker->getThreadId()] = $worker->shutdown();
            $worker->close();
        }
        # console('shutdown', $this->states);
        $this->results = $res;
    }
    /**
     * Get connection to the IMAP server
     * (used for single-thread mode)
@@ -151,7 +116,7 @@
/**
 * Stackable item to run the search on a specific IMAP folder
 */
class rcube_imap_search_job extends Stackable
class rcube_imap_search_job /* extends Stackable */
{
    private $folder;
    private $search;
@@ -169,13 +134,14 @@
        $this->charset = $charset;
        $this->sort_field = $sort_field;
        $this->threading = $threading;
        $this->result = new rcube_result_index($folder);
        $this->result->incomplete = true;
    }
    public function run()
    {
        // trigger_error("Start search $this->folder", E_USER_NOTICE);
        $this->result = $this->search_index();
        // trigger_error("End search $this->folder: " . $this->result->count(), E_USER_NOTICE);
    }
    /**
@@ -183,7 +149,6 @@
     */
    protected function search_index()
    {
        $pthreads = defined('PTHREADS_INHERIT_ALL');
        $criteria = $this->search;
        $charset = $this->charset;
@@ -193,10 +158,10 @@
            trigger_error("No IMAP connection for $this->folder", E_USER_WARNING);
            if ($this->threading) {
                return new rcube_result_thread();
                return new rcube_result_thread($this->folder);
            }
            else {
                return new rcube_result_index();
                return new rcube_result_index($this->folder);
            }
        }
@@ -219,10 +184,6 @@
                $threads = $imap->thread($this->folder, $this->threading,
                    rcube_imap::convert_criteria($criteria, $charset), true, 'US-ASCII');
            }
            // close IMAP connection again
            if ($pthreads)
                $imap->closeConnection();
            return $threads;
        }
@@ -249,10 +210,6 @@
            }
        }
        // close IMAP connection again
        if ($pthreads)
            $imap->closeConnection();
        return $messages;
    }
@@ -271,67 +228,7 @@
    {
        return $this->result;
    }
}
/**
 * Worker thread to run search jobs while maintaining a common context
 */
class rcube_imap_search_worker extends Worker
{
    public $id;
    public $options;
    private $conn;
    private $counts = 0;
    /**
     * Default constructor
     */
    public function __construct($id, $options)
    {
        $this->id = $id;
        $this->options = $options;
    }
    /**
     * Get a dedicated connection to the IMAP server
     */
    public function get_imap()
    {
        // TODO: make this connection persistent for several jobs
        // This doesn't seem to work. Socket connections don't survive serialization which is used in pthreads
        $conn = new rcube_imap_generic();
        # $conn->setDebug(true, function($conn, $message){ trigger_error($message, E_USER_NOTICE); });
        if ($this->options['user'] && $this->options['password']) {
            $this->options['ident']['command'] = 'search-' . $this->id . 't' . ++$this->counts;
            $conn->connect($this->options['host'], $this->options['user'], $this->options['password'], $this->options);
        }
        if ($conn->error)
            trigger_error($conn->error, E_USER_WARNING);
        return $conn;
    }
    /**
     * @override
     */
    public function run()
    {
    }
    /**
     * Close IMAP connection
     */
    public function close()
    {
        if ($this->conn) {
            $this->conn->close();
        }
    }
}
program/lib/Roundcube/rcube_result_index.php
@@ -26,6 +26,8 @@
 */
class rcube_result_index
{
    public $incomplete = false;
    protected $raw_data;
    protected $mailbox;
    protected $meta = array();
program/lib/Roundcube/rcube_result_multifolder.php
@@ -28,6 +28,7 @@
{
    public $multi = true;
    public $sets = array();
    public $incomplete = false;
    public $folder;
    protected $meta = array();
@@ -54,14 +55,18 @@
     */
    public function add($result)
    {
        $this->sets[] = $result;
        if ($count = $result->count()) {
            $this->sets[] = $result;
            $this->meta['count'] += $count;
            // append UIDs to global index
            $folder = $result->get_parameters('MAILBOX');
            $index = array_map(function($uid) use ($folder) { return $uid . '-' . $folder; }, $result->get());
            $this->index = array_merge($this->index, $index);
        }
        else if ($result->incomplete) {
            $this->incomplete = true;
        }
    }
@@ -266,6 +271,22 @@
        return $params;
    }
    /**
     * Returns the stored result object for a particular folder
     *
     * @param string $folder  Folder name
     * @return false|obejct rcube_result_* instance of false if none found
     */
    public function get_set($folder)
    {
        foreach ($this->sets as $set) {
            if ($set->get_parameters('MAILBOX') == $folder) {
                return $set;
            }
        }
        return false;
    }
    /**
     * Returns length of internal data representation
@@ -276,4 +297,33 @@
    {
        return $this->count();
    }
    /* Serialize magic methods */
    public function __sleep()
    {
        return array('sets','folders','sorting','order');
    }
    public function __wakeup()
    {
        // restore index from saved result sets
        $this->meta = array('count' => 0);
        foreach ($this->sets as $result) {
            if ($count = $result->count()) {
                $this->meta['count'] += $count;
                // append UIDs to global index
                $folder = $result->get_parameters('MAILBOX');
                $index = array_map(function($uid) use ($folder) { return $uid . '-' . $folder; }, $result->get());
                $this->index = array_merge($this->index, $index);
            }
            else if ($result->incomplete) {
                $this->incomplete = true;
            }
        }
    }
}
program/lib/Roundcube/rcube_result_thread.php
@@ -26,6 +26,8 @@
 */
class rcube_result_thread
{
    public $incomplete = false;
    protected $raw_data;
    protected $mailbox;
    protected $meta = array();
program/localization/en_US/messages.inc
@@ -95,6 +95,7 @@
$messages['searchnomatch'] = 'Search returned no matches.';
$messages['searching'] = 'Searching...';
$messages['checking'] = 'Checking...';
$messages['stillsearching'] = 'Still searching...';
$messages['nospellerrors'] = 'No spelling errors found.';
$messages['folderdeleted'] = 'Folder successfully deleted.';
$messages['foldersubscribed'] = 'Folder successfully subscribed.';
program/steps/mail/func.inc
@@ -142,7 +142,7 @@
    if (!$OUTPUT->ajax_call) {
        $OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
            'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
            'copy', 'move', 'quota', 'replyall', 'replylist');
            'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching');
    }
    $pagetitle = $RCMAIL->localize_foldername($mbox_name, true);
program/steps/mail/search.inc
@@ -38,6 +38,7 @@
$filter  = rcube_utils::get_input_value('_filter', rcube_utils::INPUT_GET);
$headers = rcube_utils::get_input_value('_headers', rcube_utils::INPUT_GET);
$scope   = rcube_utils::get_input_value('_scope', rcube_utils::INPUT_GET);
$continue = rcube_utils::get_input_value('_continue', rcube_utils::INPUT_GET);
$subject = array();
$filter         = trim($filter);
@@ -110,6 +111,12 @@
$search_str  = trim($search_str);
$sort_column = rcmail_sort_column();
// set message set for already stored (but incomplete) search request
if (!empty($continue) && isset($_SESSION['search']) && $_SESSION['search_request'] == $continue) {
    $RCMAIL->storage->set_search_set($_SESSION['search']);
    $search_str = $_SESSION['search'][0];
}
// execute IMAP search
if ($search_str) {
    // search all, current or subfolders folders
@@ -126,10 +133,6 @@
    $result = $RCMAIL->storage->search($mboxes, $search_str, $imap_charset, $sort_column);
}
// Get the headers
$result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
$count    = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
// save search results in session
if (!is_array($_SESSION['search'])) {
    $_SESSION['search'] = array();
@@ -141,6 +144,13 @@
}
$_SESSION['search_request'] = $search_request;
$_SESSION['search_scope'] = $scope;
// Get the headers
if (!$result->incomplete) {
    $result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
    $count    = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
}
// Make sure we got the headers
if (!empty($result_h)) {
@@ -157,9 +167,15 @@
    }
}
// handle IMAP errors (e.g. #1486905)
else  if ($err_code = $RCMAIL->storage->get_error_code()) {
else if ($err_code = $RCMAIL->storage->get_error_code()) {
    $RCMAIL->display_server_error();
}
// advice the client to re-send the (cross-folder) search request
else if ($result->incomplete) {
    $count = 0;  // keep UI locked
    $OUTPUT->command('continue_search', $search_request);
    console('search incomplete', strlen(serialize($result)));
}
else {
    $OUTPUT->show_message('searchnomatch', 'notice');
    $OUTPUT->set_env('multifolder_listing', (bool)$result->multi);