show error messages when log files are missing

--HG--
branch : HEAD

diff --git a/src/lib-index/mail-transaction-log-view.c b/src/lib-index/mail-transaction-log-view.c
index 9bdb7e8df42c4cc36e5b1cb7910a311c54b02d15..8e6327f655c06e4814b0d46c2fbd312d502b8581 100644 (file)
--- a/src/lib-index/mail-transaction-log-view.c
+++ b/src/lib-index/mail-transaction-log-view.c
@@ -124,20 +124,35 @@ mail_transaction_log_view_set(struct mail_transaction_log_view *view,
        end_offset = min_file_seq == max_file_seq ?
                max_file_offset : (uoff_t)-1;
        ret = mail_transaction_log_file_map(file, min_file_offset, end_offset);
-       if (ret <= 0)
+       if (ret <= 0) {
+               if (ret == 0) {
+                       mail_index_set_error(view->log->index,
+                               "Lost transaction log file %s seq %u",
+                               file->filepath, file->hdr.file_seq);
+               }
                return -1;
+       }
        first = file;
 
        for (seq = min_file_seq+1; seq <= max_file_seq; seq++) {
                file = file->next;
-               if (file == NULL || file->hdr.file_seq != seq) 
+               if (file == NULL || file->hdr.file_seq != seq)  {
+                       mail_index_set_error(view->log->index,
+                               "Lost transaction log file %s seq %u",
+                               file->filepath, seq);
                        return -1;
+               }
 
                end_offset = file->hdr.file_seq == max_file_seq ?
                        max_file_offset : (uoff_t)-1;
                ret = mail_transaction_log_file_map(file,
                        sizeof(struct mail_transaction_log_header),
                        end_offset);
+               if (ret == 0) {
+                       mail_index_set_error(view->log->index,
+                               "Lost transaction log file %s seq %u",
+                               file->filepath, file->hdr.file_seq);
+               }
                if (ret <= 0)
                        return -1;
        }