void check_the_q(int next_customer){
int i, flag_hot_seat = OCCUPIED, flag_wait_seat = OCCUPIED, max ;
flag_hot_seat = check_if_free() ;
if( flag_hot_seat == FREE ){
flag_wait_seat = check_customer_q();
if( flag_wait_seat == OCCUPIED ){
pos = get_position();
sleep(2);
if( customer[pos].value != 0 )
printf("\n\t\t\t\t\t^^^^^customer %d removed from queue and put in hot seat, cutting time = %d^^^^\n", customer[pos].pos, customer[pos].value);
wake_up_barber(customer[pos].value);
customer[pos].time = 0;
customer[pos].value = 0;
customer[pos].pos = 0;
}
if( next_customer != 0 && flag_hot_seat == FREE ){
flag_wait_seat = check_customer_q();
if( flag_wait_seat == FREE )
wake_up_barber(next_customer);
else{
pos = get_free_position();
if( pos >= 0 ){
sleep(2);
if( next_customer != 0 )
printf("\t\t----customer %d moved to queue , cutting time = %d----\n", timer, next_customer);
customer[pos].value = next_customer;
customer[pos].time = 1 ;
customer[pos].pos = timer;
}
}
}
}
else if( flag_hot_seat != FREE ){
pos = get_free_position();
if( pos >= 0 ){
sleep(2);
if( next_customer != 0 )
printf("\t\t----customer %d moved to queue , cutting time = %d----\n", timer, next_customer);
customer[pos].value = next_customer;
customer[pos].time = 1 ;
customer[pos].pos = timer;
}
}
else{
sleep(2);
printf("\n\t\t--------->customer %d left, cutting time = %d\n",timer,next_customer);
}
}
int start_loading(struct opt_s *opt, struct buffer_entity *be,
struct sender_tracking *st)
{
long nuf;
int err;
skip_missing(opt, st, SKIP_LOADED);
D("Packets loaded is %lu, packet probed %ld", st->packets_loaded,
st->n_packets_probed);
if (st->files_loaded == st->n_files_probed)
{
D("Loaded up to n_files!");
return DONTRYLOADNOMORE;
}
err = afi_start_loading(opt->fi, st->files_loaded, st->files_in_loading > 0);
if (err)
{
if (err == 1)
{
return DONTRYLOADNOMORE;
}
return err;
}
afi_update_metadata(opt->fi, &st->n_files_probed,
&st->n_packets_probed, &st->status_probed);
nuf =
MIN((st->n_packets_probed - st->packets_loaded),
((unsigned long)opt->buf_num_elems));
if (nuf == 0)
{
E("Metadata error on recording %s. Cant load 0 packets", opt->filename);
return DONTRYLOADNOMORE;
}
/* TODO: Not checking if FH_ONDISK is set */
D("Requested a load start on file %lu", st->files_loaded);
if (be == NULL)
{
if (check_if_free(opt->membranch) != 0)
{
D("No more free buffers");
if (st->files_in_loading != 0)
{
D("wont loadup since no more free buffers and we have files in loading");
return DONTRYLOADNOMORE;
}
}
be =
get_free(opt->membranch, opt, (void *)(&(st->files_loaded)), NULL, 1);
st->allocated_to_load--;
}
/* Reacquiring just updates the file number we want */
else
{
be->acquire((void *)be, opt, &(st->files_loaded));
}
CHECK_AND_EXIT(be);
st->files_in_loading++;
D("Setting seqnum %lu to load %lu packets", st->files_loaded, nuf);
LOCK(be->headlock);
unsigned long *inc;
be->simple_get_writebuf(be, &inc);
*inc = nuf * (opt->packet_size);
be->set_ready(be, 1);
pthread_cond_signal(be->iosignal);
UNLOCK(be->headlock);
D("Loading request complete for id %lu", st->files_loaded);
st->packets_loaded += nuf;
st->files_loaded++;
return 0;
}
