Example #1
0
int host(int argc, char *argv[])
{
  msg_file_t file = NULL;
  sg_size_t write;

  // First open
  XBT_INFO("\tOpen file '%s'",FILENAME1);
  file = MSG_file_open(FILENAME1, NULL);

  // Unlink the file
  XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file));
  MSG_file_unlink(file);

  // Re Open the file wich is in fact created
  XBT_INFO("\tOpen file '%s'",FILENAME1);
  file = MSG_file_open(FILENAME1, NULL);

  // Write into the new file
  write = MSG_file_write(file,100000);  // Write for 100Ko
  XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file));

  // Write into the new file
  write = MSG_file_write(file,100000);  // Write for 100Ko
  XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file));

  // Close the file
  XBT_INFO("\tClose file '%s'",MSG_file_get_name(file));
  MSG_file_close(file);

  return 0;
}
Example #2
0
int host(int argc, char *argv[]){
  msg_file_t file = NULL;
  const char* filename;
  sg_size_t read, write;

  file = MSG_file_open(argv[1], NULL);
  filename = MSG_file_get_name(file);
  XBT_INFO("Opened file '%s'",filename);
  MSG_file_dump(file);

  XBT_INFO("Try to read %llu from '%s'",MSG_file_get_size(file),filename);
  read = MSG_file_read(file, MSG_file_get_size(file));
  XBT_INFO("Have read %llu from '%s'. Offset is now at: %llu",read,filename,
      MSG_file_tell(file));
  XBT_INFO("Seek back to the begining of the stream...");
  MSG_file_seek(file, 0, SEEK_SET);
  XBT_INFO("Offset is now at: %llu", MSG_file_tell(file));

  MSG_file_close(file);

  if (argc > 5){
    file = MSG_file_open(argv[2], NULL);
    filename = MSG_file_get_name(file);
    XBT_INFO("Opened file '%s'",filename);
    XBT_INFO("Try to write %llu MiB to '%s'",
        MSG_file_get_size(file)/1024,
        filename);
    write = MSG_file_write(file, MSG_file_get_size(file)*1024);
    XBT_INFO("Have written %llu bytes to '%s'.",write,filename);

    msg_host_t src, dest;
    src= MSG_host_self();
    dest = MSG_get_host_by_name(argv[3]);
    if (atoi(argv[5])){
      XBT_INFO("Move '%s' (of size %llu) from '%s' to '%s'", filename,
           MSG_file_get_size(file), MSG_host_get_name(src),
           argv[3]);
      MSG_file_rmove(file, dest, argv[4]);
    } else {
      XBT_INFO("Copy '%s' (of size %llu) from '%s' to '%s'", filename,
           MSG_file_get_size(file), MSG_host_get_name(src),
           argv[3]);
      MSG_file_rcopy(file, dest, argv[4]);
      MSG_file_close(file);
    }
  }

  return 0;
}
Example #3
0
static int host(int argc, char *argv[])
{
  char name[2048];
  int id = MSG_process_self_PID();
  snprintf(name,2048,"%s%i", FILENAME1, id);
  msg_file_t file = MSG_file_open(name, NULL);
  XBT_INFO("process %d is writing!", id);
  MSG_file_write(file, 3000000);
  XBT_INFO("process %d goes to sleep for %d seconds", id, id);
  MSG_process_sleep(id);
  XBT_INFO("process %d is writing again!", id);
  MSG_file_write(file, 3000000);
  XBT_INFO("process %d goes to sleep for %d seconds", id, 6 - id);
  MSG_process_sleep(6-id);
  XBT_INFO("process %d is reading!", id);
  MSG_file_seek(file, 0, SEEK_SET);
  MSG_file_read(file, 3000000);
  XBT_INFO("process %d goes to sleep for %d seconds", id, id);
  MSG_process_sleep(id);
  XBT_INFO("process %d is reading again!", id);
  MSG_file_seek(file, 0, SEEK_SET);
  MSG_file_read(file, 3000000);

  XBT_INFO("process %d => Size of %s: %llu", id, MSG_file_get_name(file), MSG_file_get_size(file));
  MSG_file_close(file);

  return 0;
}
Example #4
0
int host(int argc, char *argv[])
{
  msg_file_t file = NULL;
  sg_size_t read,write;
  msg_storage_t st;
  const char* st_name;

  if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){
    file = MSG_file_open(FILENAME1, NULL);
    MSG_file_dump(file);
    st_name = "Disk4";
  } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1")) {
    file = MSG_file_open(FILENAME2, NULL);
    st_name = "Disk2";
  } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2")){
    file = MSG_file_open(FILENAME3, NULL);
    st_name = "Disk3";
  } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3")){
    file = MSG_file_open(FILENAME4, NULL);
    st_name = "Disk1";
  }
  else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));

  const char* filename = MSG_file_get_name(file);
  XBT_INFO("\tOpen file '%s'",filename);
  st = MSG_storage_get_by_name(st_name);

  XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
            filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));

  /* Try to read for 10MB */
  read = MSG_file_read(file, 10000000);
  XBT_INFO("\tHave read %llu from '%s'",read,filename);

  /* Write 100KB in file from the current position, i.e, end of file or 10MB */
  write = MSG_file_write(file, 100000);
  XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu",write,filename,
           MSG_file_get_size(file));


  XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
            filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));

  /* rewind to the beginning of the file */
  XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
           filename);
  MSG_file_seek(file, 0, SEEK_SET);

  /* Try to read 110KB */
  read = MSG_file_read(file, 110000);
  XBT_INFO("\tHave read %llu from '%s' (of size %llu)",read,filename,
      MSG_file_get_size(file));

  /* rewind once again to the beginning of the file */
  XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
           filename);
  MSG_file_seek(file, 0, SEEK_SET);

  /* Write 110KB in file from the current position, i.e, end of file or 10MB */
  write = MSG_file_write(file, 110000);
  XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write,filename,
      MSG_file_get_size(file));

  XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
            filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));

  XBT_INFO("\tClose file '%s'",filename);
  MSG_file_close(file);


  return 0;
}