1 #include <iostream>
   2 #include <fstream>
   3 #include <cstdlib>
   4 
   5 #include "lfc_api.h"
   6 #include "serrno.h"
   7 
   8 int main(int argc, char *argv[])
   9 {
  10     if (argc != 3) {
  11         std::cerr << "Usage: " << argv[0] << " SFNFILE LFNFILE" << std::endl;
  12         return 1;
  13     }
  14 
  15     std::ifstream in(argv[1]);
  16     std::ofstream out(argv[2]);
  17 
  18     if (!in) {
  19         std::cerr << argv[0] << ": " << argv[1] << ": Could not be opened for reading" << std::endl;
  20         return 1;
  21     }
  22     if (!out) {
  23         std::cerr << argv[0] << ": " << argv[2] << ": Could not be opened for writing" << std::endl;
  24         return 1;
  25     }
  26     if (lfc_startsess(getenv("LFC_HOST"), "Looking up links of SFNs")) {
  27         std::cerr << argv[0] << ": " << sstrerror(serrno) << std::endl;
  28         return 1;
  29     }
  30 
  31     std::string sfn;
  32     while (in >> sfn) {
  33         struct lfc_filestatg statbuf;
  34         struct lfc_linkinfo *links;
  35         int numlinks;
  36 
  37         if (lfc_statr(sfn.c_str(), &statbuf) || lfc_getlinks(0, statbuf.guid, &numlinks, &links)) {
  38             std::cerr << argv[0] << ": " << sfn << ": " << sstrerror(serrno) << std::endl;
  39             continue;
  40         }
  41         if (numlinks == 0) {
  42             std::cerr << argv[0] << ": " << sfn << ": No links found" << std::endl;
  43         } else for (int i = 0; i < numlinks; ++i) {
  44             out << "lfn:" << links[i].path;
  45             if (i < numlinks - 1) out << "\t";
  46             else out << std::endl;
  47         }
  48         std::free(links);
  49     }
  50     
  51     lfc_endsess();
  52     out.close();
  53     in.close();
  54 }