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-rw-r--r--program/lib/Roundcube/rcube_imap.php10
-rw-r--r--program/lib/Roundcube/rcube_imap_search.php169
-rw-r--r--program/lib/Roundcube/rcube_result_index.php2
-rw-r--r--program/lib/Roundcube/rcube_result_multifolder.php52
-rw-r--r--program/lib/Roundcube/rcube_result_thread.php2
5 files changed, 98 insertions, 137 deletions
diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index f2ade9545..2038b94d8 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -1513,6 +1513,16 @@ class rcube_imap extends rcube_storage
$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,
diff --git a/program/lib/Roundcube/rcube_imap_search.php b/program/lib/Roundcube/rcube_imap_search.php
index 926a75d76..0c44daf1b 100644
--- a/program/lib/Roundcube/rcube_imap_search.php
+++ b/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 @@ class rcube_imap_search
{
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 $conn;
/**
* Default constructor
@@ -63,28 +54,32 @@ class rcube_imap_search
*/
public function exec($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 @@ class rcube_imap_search
}
/**
- * 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 @@ class rcube_imap_search
/**
* 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 @@ class rcube_imap_search_job extends Stackable
$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 @@ class rcube_imap_search_job extends Stackable
*/
protected function search_index()
{
- $pthreads = defined('PTHREADS_INHERIT_ALL');
$criteria = $this->search;
$charset = $this->charset;
@@ -193,10 +158,10 @@ class rcube_imap_search_job extends Stackable
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);
}
}
@@ -220,10 +185,6 @@ class rcube_imap_search_job extends Stackable
rcube_imap::convert_criteria($criteria, $charset), true, 'US-ASCII');
}
- // close IMAP connection again
- if ($pthreads)
- $imap->closeConnection();
-
return $threads;
}
@@ -249,10 +210,6 @@ class rcube_imap_search_job extends Stackable
}
}
- // close IMAP connection again
- if ($pthreads)
- $imap->closeConnection();
-
return $messages;
}
@@ -271,67 +228,7 @@ class rcube_imap_search_job extends Stackable
{
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();
- }
- }
}
+
diff --git a/program/lib/Roundcube/rcube_result_index.php b/program/lib/Roundcube/rcube_result_index.php
index 058f25c6f..ffc1ad78a 100644
--- a/program/lib/Roundcube/rcube_result_index.php
+++ b/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();
diff --git a/program/lib/Roundcube/rcube_result_multifolder.php b/program/lib/Roundcube/rcube_result_multifolder.php
index b5473b841..e5abead51 100644
--- a/program/lib/Roundcube/rcube_result_multifolder.php
+++ b/program/lib/Roundcube/rcube_result_multifolder.php
@@ -28,6 +28,7 @@ class rcube_result_multifolder
{
public $multi = true;
public $sets = array();
+ public $incomplete = false;
public $folder;
protected $meta = array();
@@ -54,8 +55,9 @@ class rcube_result_multifolder
*/
public function add($result)
{
+ $this->sets[] = $result;
+
if ($count = $result->count()) {
- $this->sets[] = $result;
$this->meta['count'] += $count;
// append UIDs to global index
@@ -63,6 +65,9 @@ class rcube_result_multifolder
$index = array_map(function($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 @@ class rcube_result_multifolder
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 @@ class rcube_result_multifolder
{
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;
+ }
+ }
+ }
+
}
diff --git a/program/lib/Roundcube/rcube_result_thread.php b/program/lib/Roundcube/rcube_result_thread.php
index ceaaf59a6..168761696 100644
--- a/program/lib/Roundcube/rcube_result_thread.php
+++ b/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();