dovecot-2.2: push-notification: Cache the metadata lookup in OX ...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/7cbb955a3d44
changeset: 19266:7cbb955a3d44
user:      Timo Sirainen <tss at iki.fi>
date:      Thu Oct 01 12:49:25 2015 +0300
description:
push-notification: Cache the metadata lookup in OX driver.

diffstat:

 src/plugins/push-notification/push-notification-driver-ox.c |  7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diffs (38 lines):

diff -r a67e667f38a9 -r 7cbb955a3d44 src/plugins/push-notification/push-notification-driver-ox.c
--- a/src/plugins/push-notification/push-notification-driver-ox.c	Thu Oct 01 12:34:43 2015 +0300
+++ b/src/plugins/push-notification/push-notification-driver-ox.c	Thu Oct 01 12:49:25 2015 +0300
@@ -37,6 +37,7 @@
 /* This is data specific to an OX driver. */
 struct push_notification_driver_ox_config {
     struct http_url *http_url;
+    const char *cached_ox_metadata;
 };
 
 /* This is data specific to an OX driver transaction. */
@@ -97,6 +98,7 @@
 static const char *push_notification_driver_ox_get_metadata
 (struct push_notification_driver_txn *dtxn)
 {
+    struct push_notification_driver_ox_config *dconfig = dtxn->duser->context;
     struct mail_attribute_value attr;
     struct mailbox *inbox;
     struct mailbox_transaction_context *mctx = NULL;
@@ -104,6 +106,9 @@
     bool success = FALSE, use_existing_txn = FALSE;
     int ret;
 
+    if (dconfig->cached_ox_metadata != NULL)
+        return dconfig->cached_ox_metadata;
+
     /* Get canonical INBOX, where private server-level metadata is stored.
      * See imap/cmd-getmetadata.c */
     if ((dtxn->ptxn->t != NULL) && dtxn->ptxn->mbox->inbox_user) {
@@ -146,6 +151,8 @@
         mailbox_free(&inbox);
     }
 
+    dconfig->cached_ox_metadata =
+        p_strdup(dtxn->ptxn->puser->driverlist->pool, attr.value);
     return (success == TRUE) ? attr.value : NULL;
 }