dpif-linux: Don't allow arbitrary internal ports to identify a datapath.

[openvswitch] / lib / rconn.c

diff --git a/lib/rconn.c b/lib/rconn.c
index ead8d2d6aa4cb1b014b651cc55225ec800b63212..b18a2e59e918c3d4373b3a4e19a0bcf55b6e6af6 100644 (file)
--- a/lib/rconn.c
+++ b/lib/rconn.c
@@ -1,17 +1,17 @@
 /*
  * Copyright (c) 2008, 2009 Nicira Networks.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #include <config.h>
@@ -698,6 +698,15 @@ rconn_get_last_connection(const struct rconn *rc)
     return rc->last_connected;
 }
 
+/* Returns the time at which the last OpenFlow message was received by 'rc'.
+ * If no packets have been received on 'rc', returns the time at which 'rc'
+ * was created. */
+time_t
+rconn_get_last_received(const struct rconn *rc)
+{
+    return rc->last_received;
+}
+
 /* Returns the time at which 'rc' was created. */
 time_t
 rconn_get_creation_time(const struct rconn *rc)