From: David Bremner <david@tethera.net>
To: David Bremner <david@tethera.net>,
Gaute Hope <eg@gaute.vetsj.com>,
notmuch@notmuchmail.org
Subject: [RFC patch 1/2] lib: add notmuch_database_reopen
Date: Thu, 23 Feb 2017 22:00:47 -0400 [thread overview]
Message-ID: <20170224020048.10718-1-david@tethera.net> (raw)
In-Reply-To: <87y3wx2k3s.fsf@tethera.net>
The main expected use is to recover from a Xapian::DatabaseChanged
exception.
---
lib/database.cc | 19 +++++++++++++++++++
lib/notmuch.h | 12 ++++++++++++
2 files changed, 31 insertions(+)
diff --git a/lib/database.cc b/lib/database.cc
index 386dcd17..9c4be516 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -1133,6 +1133,25 @@ notmuch_database_close (notmuch_database_t *notmuch)
return status;
}
+notmuch_status_t
+notmuch_database_reopen (notmuch_database_t *notmuch)
+{
+ if (notmuch->mode != NOTMUCH_DATABASE_MODE_READ_ONLY)
+ return NOTMUCH_STATUS_UNSUPPORTED_OPERATION;
+
+ try {
+ notmuch->xapian_db->reopen ();
+ } catch (const Xapian::Error &error) {
+ if (! notmuch->exception_reported) {
+ _notmuch_database_log (notmuch, "Error: A Xapian exception reopening database: %s\n",
+ error.get_msg ().c_str ());
+ notmuch->exception_reported = TRUE;
+ return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
+ }
+ }
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
static int
unlink_cb (const char *path,
unused (const struct stat *sb),
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 16da8be9..e9ed01dd 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -363,6 +363,18 @@ notmuch_status_t
notmuch_database_close (notmuch_database_t *database);
/**
+ * Reopen a (read-only) database, synching the database view with that
+ * on disk.
+ *
+ * @returns
+ * - NOTMUCH_STATUS_UNSUPPORTED_OPERATION: database is not read only
+ * - NOTMUCH_STATUS_XAPIAN_EXCEPTION: a Xapian exception occured trying to
+ * re-open the database.
+ */
+notmuch_status_t
+notmuch_database_reopen (notmuch_database_t *database);
+
+/**
* A callback invoked by notmuch_database_compact to notify the user
* of the progress of the compaction process.
*/
--
2.11.0
next prev parent reply other threads:[~2017-02-24 2:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-18 14:45 add status value to _notmuch_message_ensure_metadata David Bremner
2017-02-18 14:45 ` [PATCH 1/8] lib: make _notmuch_message_ensure_metadata static David Bremner
2017-02-23 12:59 ` David Bremner
2017-02-18 14:45 ` [PATCH 2/8] lib: add status return to _notmuch_message_ensure_metadata David Bremner
2017-02-18 14:45 ` [PATCH 3/8] lib: propagate error return from some calls to _n_m_e_metadata David Bremner
2017-02-18 14:45 ` [PATCH 4/8] lib: push error from nme_metadata through nme_filename_list David Bremner
2017-02-18 14:45 ` [PATCH 5/8] lib: make _notmuch_message_ensure_property_map static David Bremner
2017-02-18 14:45 ` [PATCH 6/8] lib: propagate errors from nme_metadata through properties API David Bremner
2017-02-18 14:45 ` [PATCH 7/8] lib: add notmuch_message_get_database to public API David Bremner
2017-02-18 14:45 ` [PATCH 8/8] lib: add status return to notmuch_message_get_flag David Bremner
2017-02-20 9:27 ` add status value to _notmuch_message_ensure_metadata Gaute Hope
2017-02-20 9:44 ` Gaute Hope
2017-02-23 0:58 ` David Bremner
2017-02-23 7:46 ` Gaute Hope
2017-02-23 11:59 ` David Bremner
2017-02-24 2:00 ` David Bremner [this message]
2017-02-24 2:00 ` [RFC patch 2/2] lib: handle DatabaseModifiedError in _n_message_ensure_metadata David Bremner
2017-02-24 2:49 ` David Bremner
2017-02-24 10:21 ` Gaute Hope
2017-02-24 11:40 ` David Bremner
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