RevSock2Rb.cc

//+
// File : RevSock2Rb.cc
// Description : Receive events from Socket and place them in Rbuf
//
// Author : Ryosuke Itoh, IPNS, KEK
// Date : 26 - Apr - 2012
//-
 
#include "daq/rfarm/event/RevSock2Rb.h"
 
#include <unistd.h>
 
using namespace std;
using namespace Belle2;
 
RevSock2Rb::RevSock2Rb(string rbuf, string src, int port, string shmname, int id)
{
  //  m_rbuf = new RingBuffer(rbuf.c_str(), RBUFSIZE);
  m_rbuf = new RingBuffer(rbuf.c_str());
  m_sock = new REvtSocketRecv(src, port);
  m_evtbuf = new char[MAXEVTSIZE];
  m_flow = new RFFlowStat((char*)shmname.c_str(), id, m_rbuf);
 
}
 
RevSock2Rb::~RevSock2Rb(void)
{
  delete m_sock;
  delete m_rbuf;
}
 
int RevSock2Rb::ReceiveEvent(void)
{
  // Get a record from socket
  EvtMessage* msg = m_sock->recv();
  if (msg == NULL) {
    return 0;
  }
  //  B2INFO ( "Rx: got an event from Socket, size=" << msg->size()  );
  if (msg->type() == MSG_TERMINATE) {
    return 0;
    // Flag End Of File !!!!!
    //    return msg->type(); // EOF
  }
  m_flow->log(msg->size());
 
  // Put the message in ring buffer
  int stat = 0;
  for (;;) {
    stat = m_rbuf->insq((int*)msg->buffer(), msg->paddedSize());
    if (stat >= 0) break;
    //    usleep(100);
    usleep(20);
  }
  delete msg;
  return stat;
}
 
int RevSock2Rb::Reconnect(int ntimes)
{
  return (m_sock->sock())->reconnect(ntimes);
}