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- more performance improvements of caching

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This commit is contained in:
alecpl
2009-06-24 11:49:49 +00:00
parent ac622998f9
commit 4e92534105
1 changed files with 23 additions and 17 deletions
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40
program/include/rcube_imap.php
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@@ -794,7 +794,8 @@ class rcube_imap
*/
// add message to cache
if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid)
$this->add_message_cache($cache_key, $headers->id, $headers);
$this->add_message_cache($cache_key, $headers->id, $headers, NULL,
!in_array((string)$headers->uid, $cache_index, true));
$a_msg_headers[$headers->uid] = $headers;
}
@@ -912,7 +913,7 @@ class rcube_imap
// message in cache but in wrong position
if (in_array((string)$uid, $cache_index, TRUE))
{
unset($cache_index[$id]);
unset($cache_index[$id]);
}
// other message at this position
@@ -936,7 +937,8 @@ class rcube_imap
if (!empty($for_update)) {
if ($headers = iil_C_FetchHeader($this->conn, $mailbox, join(',', $for_update), false, $this->fetch_add_headers))
foreach ($headers as $header)
$this->add_message_cache($cache_key, $header->id, $header);
$this->add_message_cache($cache_key, $header->id, $header, NULL,
in_array((string)$header->uid, $for_remove, true));
}
}
@@ -1085,7 +1087,7 @@ class rcube_imap
if ($headers->uid && $headers->id)
$this->uid_id_map[$mailbox][$headers->uid] = $headers->id;
$this->add_message_cache($mailbox.'.msg', $headers->id, $headers);
$this->add_message_cache($mailbox.'.msg', $headers->id, $headers, NULL, true);
}
return $headers;
@@ -1103,7 +1105,7 @@ class rcube_imap
function &get_structure($uid, $structure_str='')
{
$cache_key = $this->mailbox.'.msg';
$headers = &$this->get_cached_message($cache_key, $uid, true);
$headers = &$this->get_cached_message($cache_key, $uid);
// return cached message structure
if (is_object($headers) && is_object($headers->structure)) {
@@ -2200,7 +2202,7 @@ class rcube_imap
* @param string Internal cache key
* @return int -3 = off, -2 = incomplete, -1 = dirty
*/
function check_cache_status($mailbox, $cache_key)
private function check_cache_status($mailbox, $cache_key)
{
if (!$this->caching_enabled)
return -3;
@@ -2246,7 +2248,7 @@ class rcube_imap
/**
* @access private
*/
function get_message_cache($key, $from, $to, $sort_field, $sort_order)
private function get_message_cache($key, $from, $to, $sort_field, $sort_order)
{
$cache_key = "$key:$from:$to:$sort_field:$sort_order";
$db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size');
@@ -2285,16 +2287,15 @@ class rcube_imap
/**
* @access private
*/
function &get_cached_message($key, $uid, $struct=false)
private function &get_cached_message($key, $uid)
{
$internal_key = '__single_msg';
if ($this->caching_enabled && (!isset($this->cache[$internal_key][$uid]) ||
($struct && empty($this->cache[$internal_key][$uid]->structure))))
{
$sql_select = "idx, uid, headers" . ($struct ? ", structure" : '');
$sql_result = $this->db->query(
"SELECT $sql_select
"SELECT idx, headers, structure
FROM ".get_table_name('messages')."
WHERE user_id=?
AND cache_key=?
@@ -2302,8 +2303,10 @@ class rcube_imap
$_SESSION['user_id'],
$key,
$uid);
if ($sql_arr = $this->db->fetch_assoc($sql_result))
{
$this->uid_id_map[preg_replace('/\.msg$/', '', $key)][$uid] = $sql_arr['idx'];
$this->cache[$internal_key][$uid] = $this->db->decode(unserialize($sql_arr['headers']));
if (is_object($this->cache[$internal_key][$uid]) && !empty($sql_arr['structure']))
$this->cache[$internal_key][$uid]->structure = $this->db->decode(unserialize($sql_arr['structure']));
@@ -2316,7 +2319,7 @@ class rcube_imap
/**
* @access private
*/
function get_message_cache_index($key, $force=FALSE, $sort_field='idx', $sort_order='ASC')
private function get_message_cache_index($key, $force=FALSE, $sort_field='idx', $sort_order='ASC')
{
static $sa_message_index = array();
@@ -2346,13 +2349,13 @@ class rcube_imap
/**
* @access private
*/
private function add_message_cache($key, $index, $headers, $struct=null)
private function add_message_cache($key, $index, $headers, $struct=null, $force=false)
{
if (empty($key) || !is_object($headers) || empty($headers->uid))
return;
// add to internal (fast) cache
$this->cache['__single_msg'][$headers->uid] = $headers;
$this->cache['__single_msg'][$headers->uid] = clone $headers;
$this->cache['__single_msg'][$headers->uid]->structure = $struct;
// no further caching
@@ -2360,7 +2363,8 @@ class rcube_imap
return;
// check for an existing record (probly headers are cached but structure not)
$sql_result = $this->db->query(
if (!$force) {
$sql_result = $this->db->query(
"SELECT message_id
FROM ".get_table_name('messages')."
WHERE user_id=?
@@ -2370,9 +2374,12 @@ class rcube_imap
$_SESSION['user_id'],
$key,
$headers->uid);
if ($sql_arr = $this->db->fetch_assoc($sql_result))
$message_id = $sql_arr['message_id'];
}
// update cache record
if ($sql_arr = $this->db->fetch_assoc($sql_result))
if ($message_id)
{
$this->db->query(
"UPDATE ".get_table_name('messages')."
@@ -2381,7 +2388,7 @@ class rcube_imap
$index,
serialize($this->db->encode(clone $headers)),
is_object($struct) ? serialize($this->db->encode(clone $struct)) : NULL,
$sql_arr['message_id']
$message_id
);
}
else // insert new record
@@ -2394,7 +2401,6 @@ class rcube_imap
$key,
$index,
$headers->uid,
(string)rc_substr($this->db->encode($this->decode_header($headers->subject, TRUE)), 0, 128),
(string)rc_substr($this->db->encode($this->decode_header($headers->from, TRUE)), 0, 128),
(string)rc_substr($this->db->encode($this->decode_header($headers->to, TRUE)), 0, 128),