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path: root/program/lib/Roundcube/rcube_imap_cache.php
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Diffstat (limited to 'program/lib/Roundcube/rcube_imap_cache.php')
-rw-r--r--program/lib/Roundcube/rcube_imap_cache.php74
1 files changed, 47 insertions, 27 deletions
diff --git a/program/lib/Roundcube/rcube_imap_cache.php b/program/lib/Roundcube/rcube_imap_cache.php
index 403137f2d..e2fd2a98b 100644
--- a/program/lib/Roundcube/rcube_imap_cache.php
+++ b/program/lib/Roundcube/rcube_imap_cache.php
@@ -49,6 +49,13 @@ class rcube_imap_cache
private $userid;
/**
+ * Expiration time in seconds
+ *
+ * @var int
+ */
+ private $ttl;
+
+ /**
* Internal (in-memory) cache
*
* @var array
@@ -83,13 +90,25 @@ class rcube_imap_cache
/**
* Object constructor.
+ *
+ * @param rcube_db $db DB handler
+ * @param rcube_imap $imap IMAP handler
+ * @param int $userid User identifier
+ * @param bool $skip_deleted skip_deleted flag
+ * @param string $ttl Expiration time of memcache/apc items
+ *
*/
- function __construct($db, $imap, $userid, $skip_deleted)
+ function __construct($db, $imap, $userid, $skip_deleted, $ttl=0)
{
+ // convert ttl string to seconds
+ $ttl = get_offset_sec($ttl);
+ if ($ttl > 2592000) $ttl = 2592000;
+
$this->db = $db;
$this->imap = $imap;
$this->userid = $userid;
$this->skip_deleted = $skip_deleted;
+ $this->ttl = $ttl;
}
@@ -426,7 +445,7 @@ class rcube_imap_cache
if (!$force) {
$res = $this->db->query(
"UPDATE ".$this->db->table_name('cache_messages')
- ." SET flags = ?, data = ?, changed = ".$this->db->now()
+ ." SET flags = ?, data = ?, expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
." WHERE user_id = ?"
." AND mailbox = ?"
." AND uid = ?",
@@ -442,8 +461,8 @@ class rcube_imap_cache
// insert new record
$res = $this->db->query(
"INSERT INTO ".$this->db->table_name('cache_messages')
- ." (user_id, mailbox, uid, flags, changed, data)"
- ." VALUES (?, ?, ?, ?, ".$this->db->now().", ?)",
+ ." (user_id, mailbox, uid, flags, expires, data)"
+ ." VALUES (?, ?, ?, ?, ". ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", ?)",
$this->userid, $mailbox, (int) $message->uid, $flags, $msg);
// race-condition, insert failed so try update (#1489146)
@@ -451,7 +470,8 @@ class rcube_imap_cache
if ($force && !$res && !$this->db->is_error($res)) {
$this->db->query(
"UPDATE ".$this->db->table_name('cache_messages')
- ." SET flags = ?, data = ?, changed = ".$this->db->now()
+ ." SET expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
+ .", flags = ?, data = ?"
." WHERE user_id = ?"
." AND mailbox = ?"
." AND uid = ?",
@@ -499,7 +519,7 @@ class rcube_imap_cache
$this->db->query(
"UPDATE ".$this->db->table_name('cache_messages')
- ." SET changed = ".$this->db->now()
+ ." SET expires = ". ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
.", flags = flags ".($enabled ? "+ $idx" : "- $idx")
." WHERE user_id = ?"
." AND mailbox = ?"
@@ -622,23 +642,21 @@ class rcube_imap_cache
/**
- * Delete cache entries older than TTL
- *
- * @param string $ttl Lifetime of message cache entries
+ * Delete expired cache entries
*/
- function expunge($ttl)
+ static function gc()
{
- // get expiration timestamp
- $ts = get_offset_time($ttl, -1);
+ $rcube = rcube::get_instance();
+ $db = $rcube->get_dbh();
- $this->db->query("DELETE FROM ".$this->db->table_name('cache_messages')
- ." WHERE changed < " . $this->db->fromunixtime($ts));
+ $db->query("DELETE FROM ".$db->table_name('cache_messages')
+ ." WHERE expired < " . $db->now());
- $this->db->query("DELETE FROM ".$this->db->table_name('cache_index')
- ." WHERE changed < " . $this->db->fromunixtime($ts));
+ $db->query("DELETE FROM ".$db->table_name('cache_index')
+ ." WHERE expired < " . $db->now());
- $this->db->query("DELETE FROM ".$this->db->table_name('cache_thread')
- ." WHERE changed < " . $this->db->fromunixtime($ts));
+ $db->query("DELETE FROM ".$db->table_name('cache_thread')
+ ." WHERE expired < " . $db->now());
}
@@ -732,7 +750,7 @@ class rcube_imap_cache
if ($exists) {
$res = $this->db->query(
"UPDATE ".$this->db->table_name('cache_index')
- ." SET data = ?, valid = 1, changed = ".$this->db->now()
+ ." SET data = ?, valid = 1, expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
." WHERE user_id = ?"
." AND mailbox = ?",
$data, $this->userid, $mailbox);
@@ -746,8 +764,8 @@ class rcube_imap_cache
$res = $this->db->query(
"INSERT INTO ".$this->db->table_name('cache_index')
- ." (user_id, mailbox, data, valid, changed)"
- ." VALUES (?, ?, ?, 1, ".$this->db->now().")",
+ ." (user_id, mailbox, valid, expires, data)"
+ ." VALUES (?, ?, 1, ". ($this->ttl ? $this->db->now($this->ttl) : 'NULL') .", ?)",
$this->userid, $mailbox, $data);
// race-condition, insert failed so try update (#1489146)
@@ -755,7 +773,7 @@ class rcube_imap_cache
if (!$exists && !$res && !$this->db->is_error($res)) {
$res = $this->db->query(
"UPDATE ".$this->db->table_name('cache_index')
- ." SET data = ?, valid = 1, changed = ".$this->db->now()
+ ." SET data = ?, valid = 1, expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
." WHERE user_id = ?"
." AND mailbox = ?",
$data, $this->userid, $mailbox);
@@ -778,10 +796,12 @@ class rcube_imap_cache
);
$data = implode('@', $data);
+ $expires = ($this->ttl ? $this->db->now($this->ttl) : 'NULL');
+
if ($exists) {
$res = $this->db->query(
"UPDATE ".$this->db->table_name('cache_thread')
- ." SET data = ?, changed = ".$this->db->now()
+ ." SET data = ?, expires = $expires"
." WHERE user_id = ?"
." AND mailbox = ?",
$data, $this->userid, $mailbox);
@@ -795,8 +815,8 @@ class rcube_imap_cache
$res = $this->db->query(
"INSERT INTO ".$this->db->table_name('cache_thread')
- ." (user_id, mailbox, data, changed)"
- ." VALUES (?, ?, ?, ".$this->db->now().")",
+ ." (user_id, mailbox, expires, data)"
+ ." VALUES (?, ?, $expires, ?)",
$this->userid, $mailbox, $data);
// race-condition, insert failed so try update (#1489146)
@@ -804,7 +824,7 @@ class rcube_imap_cache
if (!$exists && !$res && !$this->db->is_error($res)) {
$this->db->query(
"UPDATE ".$this->db->table_name('cache_thread')
- ." SET data = ?, changed = ".$this->db->now()
+ ." SET expires = $expires, data = ?"
." WHERE user_id = ?"
." AND mailbox = ?",
$data, $this->userid, $mailbox);
@@ -1058,7 +1078,7 @@ class rcube_imap_cache
$this->db->query(
"UPDATE ".$this->db->table_name('cache_messages')
- ." SET flags = ?, changed = ".$this->db->now()
+ ." SET flags = ?, expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL')
." WHERE user_id = ?"
." AND mailbox = ?"
." AND uid = ?"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 17:34:56 +0000