RevRb2Sock.cc

//+
// File : RevRb2Sock.cc
// Description : Send events in RingBuffer to Socket
//               Reverse Direction
//
// Author : Ryosuke Itoh, IPNS, KEK
// Date : 25 - Jul - 2013
//-
 
#include "daq/rfarm/event/RevRb2Sock.h"
 
#include <unistd.h>
 
using namespace std;
using namespace Belle2;
 
RevRb2Sock::RevRb2Sock(string rbuf, int port, string shmname, int id)
{
  //  m_rbuf = new RingBuffer((char*)rbuf.c_str(), RBUFSIZE);
  m_rbuf = new RingBuffer((char*)rbuf.c_str());
  m_sock = new REvtSocketSend(port);
  m_evtbuf = new char[MAXEVTSIZE];
  m_flow = new RFFlowStat((char*)shmname.c_str(), id, m_rbuf);
 
}
 
RevRb2Sock::~RevRb2Sock(void)
{
  delete m_sock;
  delete m_rbuf;
}
 
int RevRb2Sock::SendEvent(void)
{
  // Get a record from ringbuf
  int size;
  while ((size = m_rbuf->remq((int*)m_evtbuf)) == 0) {
    //    printf ( "Rx : evtbuf is not available yet....\n" );
    //    usleep(100);
    usleep(20);
  }
  m_flow->log(size * 4);
 
  EvtMessage* msg = new EvtMessage(m_evtbuf);    // Ptr copy, no overhead
 
  if (msg->type() == MSG_TERMINATE) {
    printf("EoF found. Exitting.....\n");
    m_sock->send(msg);
    delete msg;
    return -1;
  } else {
    int is = m_sock->send(msg);
    delete msg;
    return is;
    //    return msg->size();
  }
}