openflow: Use spaces for indentation

[openvswitch] / lib / rconn.c

diff --git a/lib/rconn.c b/lib/rconn.c
index 56a7e19764069d28f6a849a375f7f4f045beaad2..2ddfc69ada40304ca30906a1c7526cd75cba0892 100644 (file)
--- a/lib/rconn.c
+++ b/lib/rconn.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -560,9 +560,8 @@ rconn_recv_wait(struct rconn *rc)
     }
 }
 
-/* Sends 'b' on 'rc'.  Returns 0 if successful (in which case 'b' is
- * destroyed), or ENOTCONN if 'rc' is not currently connected (in which case
- * the caller retains ownership of 'b').
+/* Sends 'b' on 'rc'.  Returns 0 if successful, or ENOTCONN if 'rc' is not
+ * currently connected.  Takes ownership of 'b'.
  *
  * If 'counter' is non-null, then 'counter' will be incremented while the
  * packet is in flight, then decremented when it has been sent (or discarded
@@ -595,6 +594,7 @@ rconn_send(struct rconn *rc, struct ofpbuf *b,
         }
         return 0;
     } else {
+        ofpbuf_delete(b);
         return ENOTCONN;
     }
 }
@@ -619,7 +619,6 @@ rconn_send_with_limit(struct rconn *rc, struct ofpbuf *b,
     retval = counter->n >= queue_limit ? EAGAIN : rconn_send(rc, b, counter);
     if (retval) {
         COVERAGE_INC(rconn_overflow);
-        ofpbuf_delete(b);
     }
     return retval;
 }
@@ -856,6 +855,13 @@ rconn_get_last_error(const struct rconn *rc)
 {
     return rc->last_error;
 }
+
+/* Returns the number of messages queued for transmission on 'rc'. */
+unsigned int
+rconn_count_txqlen(const struct rconn *rc)
+{
+    return list_size(&rc->txq);
+}
 \f
 struct rconn_packet_counter *
 rconn_packet_counter_create(void)