int t3pio_readStripes(MPI_Comm comm, int myProc, const char * fn)
{
int count = 0;
int stripes = 4;
int ierr;
#ifdef HAVE_LUSTRE
const char* dir = path2dir(fn);
if (myProc == 0 && t3pio_usingLustreFS(dir))
{
FILE* fp;
char line[MAXLINE];
sprintf(&line[0],"lfs getstripe -q %s",fn);
if ( (fp = popen(line, "r")) == NULL)
{
fprintf(stderr,"unable to popen\n");
abort();
}
while (fgets(line, MAXLINE, fp) != NULL)
{
size_t k = strspn(&line[0], " \t");
if (isdigit(line[k]))
count++;
}
stripes = count;
}
ierr = MPI_Bcast(&stripes, 1, MPI_INTEGER, 0, comm);
#endif
return stripes;
}
int t3pio_asklustre(MPI_Comm comm, int myProc, const char* path)
{
int ierr;
int stripes = 1;
#ifdef HAVE_LUSTRE
const char * dir = path2dir(path);
if (myProc == 0 && t3pio_usingLustreFS(dir))
{
char line[MAXLINE];
int stripe_size = 0;
int stripe_offset = -1;
int stripe_pattern = 0;
int stripes_max = -1;
int flags = (O_WRONLY | O_CREAT | O_EXCL);
// Create a Lustre Striped Test File
char fn[MAXLINE];
sprintf(&fn[0], "%s/foo_%d.bar", dir, getpid());
int rc = llapi_file_create(fn, stripe_size, stripe_offset, stripes_max,
stripe_pattern);
if (rc == 0)
{
flags |= O_LOV_DELAY_CREATE;
flags &= ~O_EXCL;
int fd = open(fn, flags, RW_USER);
FILE* fp = fdopen(fd,"w");
fprintf(fp, "foo.bar\n");
fclose(fp);
sprintf(&line[0],"lfs getstripe -q %s",fn);
if ( (fp = popen(line, "r")) == NULL)
{
fprintf(stderr,"unable to popen\n");
abort();
}
int count = 0;
while (fgets(line, MAXLINE, fp) != NULL)
{
size_t k = strspn(&line[0], " \t");
if (isdigit(line[k]))
count++;
}
stripes = count;
fclose(fp);
}
unlink(fn);
}
ierr = MPI_Bcast(&stripes, 1, MPI_INTEGER, 0, comm);
#endif
return stripes;
}
void MyMainWindow::playByIndex(int idx)
{
if((unsigned)idx >= (unsigned)m_mediaList.scrollArea().count())
return;
ListMenuItem *itm = (ListMenuItem*)m_mediaList.scrollArea().widgetItem(idx);
m_currentPlayedItem->setIcon( &resource_manager->image("music_small") );
itm->setIcon( &resource_manager->image("played") );
m_currentPlayedItem = itm;
m_mediaList.scrollArea().setItem(idx);
//m_mediaList.scrollArea().fixupViewPosition();
m_player->play( path2dir(m_playFile) + itm->text() );
m_headText.setText(itm->text());
}
int sys_get_startupdir( char * path, int max_len )
{
sys_get_path( path, MAX_PATH );
path2dir( path );
}
