bk commit into 5.1 tree (jonas:1.2186) BUG#34005

[jonas]

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ChangeSet@stripped, 2008-01-23 13:24:50+01:00, jonas@stripped +1 -0
  ndb - bug#34005
      make sure whole send buffer is flushed, even when wrapping around end

  storage/ndb/src/common/transporter/TCP_Transporter.cpp@stripped, 2008-01-23 13:24:49+01:00,
jonas@stripped +16 -6
    ndb - bug#34005
        make sure whole send buffer is flushed, even when wrapping around end

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/drop6

--- 1.14/storage/ndb/src/common/transporter/TCP_Transporter.cpp	2008-01-23 13:24:52 +01:00
+++ 1.15/storage/ndb/src/common/transporter/TCP_Transporter.cpp	2008-01-23 13:24:52 +01:00
@@ -363,22 +363,32 @@
 
   // Empty the SendBuffers
   
-  const char * const sendPtr = m_sendBuffer.sendPtr;
-  const Uint32 sizeToSend    = m_sendBuffer.sendDataSize;
-  if (sizeToSend > 0){
+  bool sent_any = true;
+  while (m_sendBuffer.dataSize > 0)
+  {
+    const char * const sendPtr = m_sendBuffer.sendPtr;
+    const Uint32 sizeToSend    = m_sendBuffer.sendDataSize;
     const int nBytesSent = inet_send(theSocket, sendPtr, sizeToSend, 0);
     
-    if (nBytesSent > 0) {
+    if (nBytesSent > 0) 
+    {
+      sent_any = true;
       m_sendBuffer.bytesSent(nBytesSent);
       
       sendCount ++;
       sendSize  += nBytesSent;
-      if(sendCount == reportFreq){
+      if(sendCount == reportFreq)
+      {
 	reportSendLen(get_callback_obj(), remoteNodeId, sendCount, sendSize);
 	sendCount = 0;
 	sendSize  = 0;
       }
-    } else {
+    } 
+    else 
+    {
+      if (nBytesSent < 0 && InetErrno == EAGAIN && sent_any)
+        break;
+
       // Send failed
 #if defined DEBUG_TRANSPORTER
       ndbout_c("Send Failure(disconnect==%d) to node = %d nBytesSent = %d "