/*
 * Append ildg-data-lfn record to LIME configuration file
 *
 * dp (20051216)
 */

#include <lime.h>
#include <stdio.h>
#include <string.h>

int main(int argc, char* argv[])
{
  n_uint64_t nbytes, len;
  LimeWriter *writer;
  LimeRecordHeader *hdr;
  char *limefile, *datalfn;
  FILE *fp;

  if (argc != 3) {
    fprintf(stderr, "Usage: addlfn <file> <LFN>\n");
    return 1;
  }

  limefile = argv[1];
  datalfn = argv[2];

  /* Open file and create LIME writer */
  fp = fopen(limefile, "a");
  if (fp == NULL) {
    fprintf(stderr, "Unable to open \"%s\"\n", limefile);  
  }

  writer = limeCreateWriter(fp);
  if (writer == (LimeWriter *)NULL) { 
    fprintf(stderr, "Unable to initialise LIME\n");
    return 1;
  }

  /* Generate and write LIME record */
  len = strlen(datalfn);
  hdr = limeCreateHeader(1, 1, "ildg-data-lfn", len);

  limeWriteRecordHeader(hdr, writer);
  limeWriteRecordData(datalfn, &nbytes, writer);

  if (nbytes != len) {
    fprintf(stderr, "Failed to write %lld bytes\n", len);
    return 1;
  }

  /* Close file and destroy LIME writer */
  limeDestroyWriter(writer);
  fclose(fp);

  return 0;
}