From: Giuseppe Lettieri <g.lettieri@iet.unipi.it>
Date: Thu, 21 Jun 2012 10:35:44 +0000 (+0200)
Subject: added drain method to netdev-tunnel's
X-Git-Tag: sliver-openvswitch-0.1-1~11
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=03e7973c8bac680c113cbdc64266e7b19b9cf464;p=sliver-openvswitch.git

added drain method to netdev-tunnel's
---

diff --git a/lib/netdev-tunnel.c b/lib/netdev-tunnel.c
index d9c54c3a7..6bbf2cba8 100644
--- a/lib/netdev-tunnel.c
+++ b/lib/netdev-tunnel.c
@@ -299,7 +299,22 @@ netdev_tunnel_send_wait(struct netdev *netdev_)
 static int
 netdev_tunnel_drain(struct netdev *netdev_)
 {
-    struct netdev_tunnel *netdev = netdev_tunnel_cast(netdev_);
+    struct netdev_dev_tunnel *dev = 
+    	netdev_dev_tunnel_cast(netdev_get_dev(netdev_));
+    char buffer[128];
+    int error;
+
+    if (!dev->connected)
+    	return 0;
+    for (;;) {
+    	error = recv(dev->sockfd, buffer, 128, MSG_TRUNC);
+	if (error) {
+            if (error == -EAGAIN)
+	        break;
+            else if (error != -EMSGSIZE)
+	        return error;
+	}
+    }
     return 0;
 }