Flush socket before checking buffer

There might be stuff lingering in the buffer simply because flush()
hasn't been called in a while, rather than because the transport is
congested.

diff --git a/common/rfb/VNCSConnectionST.cxx b/common/rfb/VNCSConnectionST.cxx
index 3a072ef04424cd8927b7ec4e410f68cd9731dc29..97f7d2867dd3e1916ed0e5f9b4abb9de0dd8f644 100644 (file)
--- a/common/rfb/VNCSConnectionST.cxx
+++ b/common/rfb/VNCSConnectionST.cxx
@@ -832,6 +832,7 @@ bool VNCSConnectionST::isCongested()
   int offset;
 
   // Stuff still waiting in the send buffer?
+  sock->outStream().flush();
   if (sock->outStream().bufferUsage() > 0)
     return true;