Commit 76678a48 authored by unknown's avatar unknown
Browse files

BUG#24793 Add SO_KEEPALIVE socket option to avoid cluster nodes keeping dead connections forever. 


ndb/src/common/transporter/TCP_Transporter.cpp:
  Add SO_KEEPALIVE socket option
parent 3a6ee28e

ndb/src/common/transporter/TCP_Transporter.cpp

+7 −0
Original line number Diff line number Diff line
@@ -155,6 +155,8 @@ TCP_Transporter::initTransporter() { 


void

TCP_Transporter::setSocketOptions(){

  int sockOptKeepAlive  = 1;



  if (setsockopt(theSocket, SOL_SOCKET, SO_RCVBUF,

                 (char*)&sockOptRcvBufSize, sizeof(sockOptRcvBufSize)) < 0) {

#ifdef DEBUG_TRANSPORTER
@@ -169,6 +171,11 @@ TCP_Transporter::setSocketOptions(){ 
#endif

  }//if

  

  if (setsockopt(theSocket, SOL_SOCKET, SO_KEEPALIVE,

                 (char*)&sockOptKeepAlive, sizeof(sockOptKeepAlive)) < 0) {

    ndbout_c("The setsockopt SO_KEEPALIVE error code = %d", InetErrno);

  }//if



  //-----------------------------------------------

  // Set the TCP_NODELAY option so also small packets are sent

  // as soon as possible