/*
This file is part of GNUnet.
- (C) 2001--2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001--2012 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* and stopping others.
*
* @param cls the `struct GNUNET_FS_Handle *`
- * @param tc scheduler context
*/
static void
-process_job_queue (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+process_job_queue (void *cls)
{
struct GNUNET_FS_Handle *h = cls;
struct GNUNET_FS_QueueEntry *qe;
int num_downloads_change;
int block_limit_hit;
- h->queue_job = GNUNET_SCHEDULER_NO_TASK;
+ h->queue_job = NULL;
/* restart_at will be set to the time when it makes sense to
re-evaluate the job queue (unless, of course, jobs complete
or are added, then we'll be triggered immediately */
break;
}
}
+ GNUNET_break (h->active_downloads ==
+ num_downloads_active + num_probes_active);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"PA: %u, PE: %u, PW: %u; DA: %u, DE: %u, DW: %u\n",
num_probes_active,
num_downloads_active,
num_downloads_expired,
num_downloads_waiting);
+ GNUNET_break (h->active_downloads + num_probes_active <=
+ h->max_parallel_downloads);
/* calculate start/stop decisions */
if (h->active_downloads + num_downloads_waiting > h->max_parallel_downloads)
{
/* start all downloads (we can) */
num_downloads_change = num_downloads_waiting;
/* also start probes if there is room, but use a lower cap of (mpd/4) + 1 */
- if (h->max_parallel_downloads / 2 >= (h->active_downloads + num_downloads_change))
+ if (1 + h->max_parallel_downloads / 4 >= (h->active_downloads + num_downloads_change))
num_probes_change = GNUNET_MIN (num_probes_waiting,
(1 + h->max_parallel_downloads / 4) - (h->active_downloads + num_downloads_change));
else
num_probes_change = 0;
}
-
+ GNUNET_break (num_downloads_change <= num_downloads_waiting);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Changing %d probes and %d downloads\n",
+ "Changing %d probes and %d/%u/%u downloads\n",
num_probes_change,
- num_downloads_change);
+ num_downloads_change,
+ (unsigned int) h->active_downloads,
+ (unsigned int) h->max_parallel_downloads);
/* actually stop probes */
next = h->running_head;
while (NULL != (qe = next))
break;
}
}
- GNUNET_break ( (0 == num_downloads_change) || (GNUNET_YES == block_limit_hit) );
+ GNUNET_break ( (0 == num_downloads_change) ||
+ (GNUNET_YES == block_limit_hit) );
GNUNET_break (0 == num_probes_change);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
num_downloads_change,
GNUNET_STRINGS_relative_time_to_string (restart_at, GNUNET_YES));
- /* make sure we run again */
+ /* make sure we run again, callbacks might have
+ already re-scheduled the job, so cancel such
+ an operation (if it exists) */
+ if (NULL != h->queue_job)
+ GNUNET_SCHEDULER_cancel (h->queue_job);
h->queue_job =
GNUNET_SCHEDULER_add_delayed (restart_at, &process_job_queue, h);
}
qe->priority = priority;
GNUNET_CONTAINER_DLL_insert_after (h->pending_head, h->pending_tail,
h->pending_tail, qe);
- if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != h->queue_job)
GNUNET_SCHEDULER_cancel (h->queue_job);
h->queue_job = GNUNET_SCHEDULER_add_now (&process_job_queue, h);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
stop_job (qe);
GNUNET_CONTAINER_DLL_remove (h->pending_head, h->pending_tail, qe);
GNUNET_free (qe);
- if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != h->queue_job)
GNUNET_SCHEDULER_cancel (h->queue_job);
h->queue_job = GNUNET_SCHEDULER_add_now (&process_job_queue, h);
}
/* re-start publishing (if needed)... */
if (GNUNET_YES != pc->all_done)
{
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ GNUNET_assert (NULL == pc->upload_task);
pc->upload_task =
GNUNET_SCHEDULER_add_with_priority
(GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
GNUNET_assert ((GNUNET_YES == GNUNET_FS_uri_test_ksk (sc->uri)) ||
(GNUNET_YES == GNUNET_FS_uri_test_sks (sc->uri)));
uris = GNUNET_FS_uri_to_string (sc->uri);
- in_pause = (sc->task != GNUNET_SCHEDULER_NO_TASK) ? 'r' : '\0';
+ in_pause = (sc->task != NULL) ? 'r' : '\0';
if ((GNUNET_OK != GNUNET_BIO_write_string (wh, uris)) ||
(GNUNET_OK != write_start_time (wh, sc->start_time)) ||
(GNUNET_OK != GNUNET_BIO_write_string (wh, sc->emsg)) ||
* Deserialize informatin about pending operations.
*
* @param master_path which master directory should be scanned
- * @param proc function to call for each entry (will get 'h' for 'cls')
- * @param h the 'struct GNUNET_FS_Handle*'
+ * @param proc function to call for each entry (will get @a h for 'cls')
+ * @param h the `struct GNUNET_FS_Handle *`
*/
static void
-deserialization_master (const char *master_path, GNUNET_FileNameCallback proc,
+deserialization_master (const char *master_path,
+ GNUNET_FileNameCallback proc,
struct GNUNET_FS_Handle *h)
{
char *dn;
/**
* Close our connection with the file-sharing service.
- * The callback given to GNUNET_FS_start will no longer be
+ * The callback given to #GNUNET_FS_start() will no longer be
* called after this function returns.
+ * This function MUST NOT be called from within the
+ * callback itself.
*
* @param h handle that was returned from #GNUNET_FS_start()
*/
void
GNUNET_FS_stop (struct GNUNET_FS_Handle *h)
{
- while (h->top_head != NULL)
+ while (NULL != h->top_head)
h->top_head->ssf (h->top_head->ssf_cls);
- if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
+ if (NULL != h->queue_job)
GNUNET_SCHEDULER_cancel (h->queue_job);
GNUNET_free (h->client_name);
GNUNET_free (h);