FUShmServer_t.cc File Reference

#include "EventFilter/ShmBuffer/interface/FUShmBuffer.h"
#include "EventFilter/ShmBuffer/bin/FUShmServer.h"
#include <iostream>
#include <cstdlib>
#include <sstream>

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 23 of file FUShmServer_t.cc.

References gather_cfg::cout, data, i, rand(), getRunRegistry::server, tmp, and evf::FUShmServer::writeNext().

{
  bool         segmentationMode=false;
  unsigned int nCells          =32;
  unsigned int nFed            = 4;
  unsigned int bytesPerFed     =10;
  unsigned int cellBufferSize  =nFed*bytesPerFed;
  
  if (argc>1) { stringstream ss; ss<<argv[1]; ss>>segmentationMode; }
  
  cout<<" FUShmServer_t:"
      <<" segmentationMode="<<segmentationMode
      <<" nCells="<<nCells
      <<" nFed="<<nFed
      <<" bytesPerFed="<<bytesPerFed
      <<" cellBufferSize="<<cellBufferSize<<endl<<endl;
  
  FUShmBuffer* buffer=FUShmBuffer::createShmBuffer(segmentationMode,
                           nCells,0,0,
                           cellBufferSize,0,0);
  if (0==buffer) return 1;
  FUShmServer* server=new FUShmServer(buffer);
  
  
  // the fake data written to shared memory
  unsigned char* data         =new unsigned char[cellBufferSize];
  unsigned int*  fedSize      =new unsigned int[nFed];
  for (unsigned int i=0;i<nFed;i++) fedSize[i]=bytesPerFed;
  
  
  // server loop
  while(1) {
    
    // generate data
    for (unsigned int i=0;i<cellBufferSize;i++) {
      unsigned int rnd=rand();
      double tmp=rnd/(double)RAND_MAX*255;
      rnd=(unsigned int)tmp;
      data[i]=(unsigned char)rnd;
    }
    
    unsigned int iCell=server->writeNext(data,nFed,fedSize);
    cout<<"WROTE at index "<<iCell<<endl;
  }
  
  return 0;
}