From: Pierre Ossman <ossman@cendio.se>
Date: Fri, 29 Apr 2016 13:50:54 +0000 (+0200)
Subject: Flush socket before checking buffer
X-Git-Tag: v1.6.90~27^2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fpull%2F299%2Fhead;p=tigervnc.git

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 3a072ef0..97f7d286 100644
--- 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;