Add support for linked connections with bufferevent_pair.

Also, set directory connections (linked and otherwise) to use bufferevents.

Also, stop using outbuf_flushlen anywhere except for OR connections.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/or/connection.h b/src/or/connection.h
index 4d269d649a..adf79f1391 100644
--- a/src/or/connection.h
+++ b/src/or/connection.h
@@ -100,7 +100,7 @@ connection_get_inbuf_len(connection_t *conn)
   IF_HAS_BUFFEREVENT(conn, {
     return evbuffer_get_length(bufferevent_get_input(conn->bufev));
   }) ELSE_IF_NO_BUFFEREVENT {
-    return buf_datalen(conn->inbuf);
+    return conn->inbuf ? buf_datalen(conn->inbuf) : 0;
   }
 }
 
@@ -110,7 +110,7 @@ connection_get_outbuf_len(connection_t *conn)
   IF_HAS_BUFFEREVENT(conn, {
     return evbuffer_get_length(bufferevent_get_output(conn->bufev));
   }) ELSE_IF_NO_BUFFEREVENT {
-    return buf_datalen(conn->outbuf);
+    return conn->outbuf ? buf_datalen(conn->outbuf) : 0;
   }
 }