[PATCH 2/8] lib: add status return to _notmuch_message_ensure_metadata
David Bremner
david at tethera.net
Sat Feb 18 06:45:45 PST 2017
This is currently silently ignored everywhere, but that's not much
worse than crashing with an uncaught (and maybe uncatchable)
exception.
---
lib/message.cc | 135 ++++++++++++++++++++++++++++++---------------------------
1 file changed, 72 insertions(+), 63 deletions(-)
diff --git a/lib/message.cc b/lib/message.cc
index 9455b11d..916dd441 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -310,7 +310,7 @@ _notmuch_message_get_term (notmuch_message_t *message,
return value;
}
-static void
+static notmuch_private_status_t
_notmuch_message_ensure_metadata (notmuch_message_t *message)
{
Xapian::TermIterator i, end;
@@ -328,72 +328,81 @@ _notmuch_message_ensure_metadata (notmuch_message_t *message)
* one field of the message object is actually used, it's a huge
* win as more fields are used. */
- i = message->doc.termlist_begin ();
- end = message->doc.termlist_end ();
-
- /* Get thread */
- if (!message->thread_id)
- message->thread_id =
- _notmuch_message_get_term (message, i, end, thread_prefix);
-
- /* Get tags */
- assert (strcmp (thread_prefix, tag_prefix) < 0);
- if (!message->tag_list) {
- message->tag_list =
- _notmuch_database_get_terms_with_prefix (message, i, end,
- tag_prefix);
- _notmuch_string_list_sort (message->tag_list);
- }
+ try {
+ i = message->doc.termlist_begin ();
+ end = message->doc.termlist_end ();
+
+ /* Get thread */
+ if (!message->thread_id)
+ message->thread_id =
+ _notmuch_message_get_term (message, i, end, thread_prefix);
+
+ /* Get tags */
+ assert (strcmp (thread_prefix, tag_prefix) < 0);
+ if (!message->tag_list) {
+ message->tag_list =
+ _notmuch_database_get_terms_with_prefix (message, i, end,
+ tag_prefix);
+ _notmuch_string_list_sort (message->tag_list);
+ }
- /* Get id */
- assert (strcmp (tag_prefix, id_prefix) < 0);
- if (!message->message_id)
- message->message_id =
- _notmuch_message_get_term (message, i, end, id_prefix);
-
- /* Get document type */
- assert (strcmp (id_prefix, type_prefix) < 0);
- if (! NOTMUCH_TEST_BIT (message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST)) {
- i.skip_to (type_prefix);
- /* "T" is the prefix "type" fields. See
+ /* Get id */
+ assert (strcmp (tag_prefix, id_prefix) < 0);
+ if (!message->message_id)
+ message->message_id =
+ _notmuch_message_get_term (message, i, end, id_prefix);
+
+ /* Get document type */
+ assert (strcmp (id_prefix, type_prefix) < 0);
+ if (! NOTMUCH_TEST_BIT (message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST)) {
+ i.skip_to (type_prefix);
+ /* "T" is the prefix "type" fields. See
* BOOLEAN_PREFIX_INTERNAL. */
- if (*i == "Tmail")
- NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
- else if (*i == "Tghost")
- NOTMUCH_SET_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
- else
- INTERNAL_ERROR ("Message without type term");
- NOTMUCH_SET_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST);
- }
-
- /* Get filename list. Here we get only the terms. We lazily
- * expand them to full file names when needed in
- * _notmuch_message_ensure_filename_list. */
- assert (strcmp (type_prefix, filename_prefix) < 0);
- if (!message->filename_term_list && !message->filename_list)
- message->filename_term_list =
- _notmuch_database_get_terms_with_prefix (message, i, end,
- filename_prefix);
-
-
- /* Get property terms. Mimic the setup with filenames above */
- assert (strcmp (filename_prefix, property_prefix) < 0);
- if (!message->property_map && !message->property_term_list)
- message->property_term_list =
- _notmuch_database_get_terms_with_prefix (message, i, end,
- property_prefix);
-
- /* Get reply to */
- assert (strcmp (property_prefix, replyto_prefix) < 0);
- if (!message->in_reply_to)
- message->in_reply_to =
- _notmuch_message_get_term (message, i, end, replyto_prefix);
+ if (*i == "Tmail")
+ NOTMUCH_CLEAR_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
+ else if (*i == "Tghost")
+ NOTMUCH_SET_BIT (&message->flags, NOTMUCH_MESSAGE_FLAG_GHOST);
+ else
+ INTERNAL_ERROR ("Message without type term");
+ NOTMUCH_SET_BIT (&message->lazy_flags, NOTMUCH_MESSAGE_FLAG_GHOST);
+ }
+ /* Get filename list. Here we get only the terms. We lazily
+ * expand them to full file names when needed in
+ * _notmuch_message_ensure_filename_list. */
+ assert (strcmp (type_prefix, filename_prefix) < 0);
+ if (!message->filename_term_list && !message->filename_list)
+ message->filename_term_list =
+ _notmuch_database_get_terms_with_prefix (message, i, end,
+ filename_prefix);
+
+
+ /* Get property terms. Mimic the setup with filenames above */
+ assert (strcmp (filename_prefix, property_prefix) < 0);
+ if (!message->property_map && !message->property_term_list)
+ message->property_term_list =
+ _notmuch_database_get_terms_with_prefix (message, i, end,
+ property_prefix);
+
+ /* Get reply to */
+ assert (strcmp (property_prefix, replyto_prefix) < 0);
+ if (!message->in_reply_to)
+ message->in_reply_to =
+ _notmuch_message_get_term (message, i, end, replyto_prefix);
+
+
+ /* It's perfectly valid for a message to have no In-Reply-To
+ * header. For these cases, we return an empty string. */
+ if (!message->in_reply_to)
+ message->in_reply_to = talloc_strdup (message, "");
+ } catch (const Xapian::Error &error) {
+ _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred fetching message metadata\n",
+ error.get_msg().c_str());
+ message->notmuch->exception_reported = TRUE;
+ return NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
+ }
- /* It's perfectly valid for a message to have no In-Reply-To
- * header. For these cases, we return an empty string. */
- if (!message->in_reply_to)
- message->in_reply_to = talloc_strdup (message, "");
+ return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
void
--
2.11.0
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