From 0add09088e7652465bdf5d19281a7a1fc535082c Mon Sep 17 00:00:00 2001
From: Raj Bhattacharjea <raj.b@gatech.edu>
Date: Mon, 12 May 2008 15:12:26 -0400
Subject: [PATCH] Use the correct semantics for sendcallback

---
 examples/tcp-large-transfer.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/tcp-large-transfer.cc b/examples/tcp-large-transfer.cc
index 8c7b16c5d..76c57f642 100644
--- a/examples/tcp-large-transfer.cc
+++ b/examples/tcp-large-transfer.cc
@@ -206,7 +206,12 @@ void WriteUntilBufferFull (Ptr<Socket> localSocket, uint32_t nBytes)
       char m = toascii (97 + i % 26);
       data[i] = m;
     }
-    localSocket->Send (data, curSize);
+    uint32_t amountSent = localSocket->Send (data, curSize);
+    if(amountSent < curSize)
+      {
+        std::cout << "Socket blocking, returning" << std::endl;
+        return;
+      }
     nBytes -= curSize;
   }
 }