/*
This file is part of GNUnet.
- (C) 2001-2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001-2014 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 Tem ple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Boston, MA 02110-1301, USA.
*/
/**
* @file fs/fs_search.c
* @return #GNUNET_OK
*/
static int
-get_result_present (void *cls, const struct GNUNET_HashCode * key, void *value)
+get_result_present (void *cls,
+ const struct GNUNET_HashCode *key,
+ void *value)
{
struct GetResultContext *grc = cls;
struct GNUNET_FS_SearchResult *sr = value;
* Handle the case where we have failed to receive a response for our probe.
*
* @param cls our `struct GNUNET_FS_SearchResult *`
- * @param tc scheduler context
*/
static void
-probe_failure_handler (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+probe_failure_handler (void *cls)
{
struct GNUNET_FS_SearchResult *sr = cls;
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
sr->availability_trials++;
GNUNET_FS_download_stop (sr->probe_ctx, GNUNET_YES);
sr->probe_ctx = NULL;
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_ping_task)
- {
- GNUNET_SCHEDULER_cancel (sr->probe_ping_task);
- sr->probe_ping_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ GNUNET_FS_stop_probe_ping_task_ (sr);
GNUNET_FS_search_result_sync_ (sr);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Probe #%u for search result %p failed\n",
* Handle the case where we have gotten a response for our probe.
*
* @param cls our `struct GNUNET_FS_SearchResult *`
- * @param tc scheduler context
*/
static void
-probe_success_handler (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+probe_success_handler (void *cls)
{
struct GNUNET_FS_SearchResult *sr = cls;
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
sr->availability_trials++;
sr->availability_success++;
GNUNET_FS_download_stop (sr->probe_ctx, GNUNET_YES);
sr->probe_ctx = NULL;
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_ping_task)
- {
- GNUNET_SCHEDULER_cancel (sr->probe_ping_task);
- sr->probe_ping_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ GNUNET_FS_stop_probe_ping_task_ (sr);
GNUNET_FS_search_result_sync_ (sr);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Probe #%u for search result %p succeeded\n",
/* ignore */
break;
case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
sr->probe_cancel_task =
GNUNET_SCHEDULER_add_delayed (sr->remaining_probe_time,
&probe_failure_handler, sr);
break;
case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
sr->probe_cancel_task =
GNUNET_SCHEDULER_add_now (&probe_success_handler, sr);
break;
case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
sr = NULL;
break;
case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
- if (GNUNET_SCHEDULER_NO_TASK == sr->probe_cancel_task)
+ if (NULL == sr->probe_cancel_task)
{
sr->probe_active_time = GNUNET_TIME_absolute_get ();
sr->probe_cancel_task =
}
break;
case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
dur = GNUNET_TIME_absolute_get_duration (sr->probe_active_time);
sr->remaining_probe_time =
/**
* Task run periodically to remind clients that a probe is active.
*
- * @param cls the 'struct GNUNET_FS_SearchResult' that we are probing for
- * @param tc scheduler context
+ * @param cls the `struct GNUNET_FS_SearchResult` that we are probing for
*/
static void
-probe_ping_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+probe_ping_task_cb (void *cls)
{
- struct GNUNET_FS_SearchResult *sr = cls;
+ struct GNUNET_FS_Handle *h = cls;
+ struct GNUNET_FS_SearchResult *sr;
- signal_probe_result (sr);
- sr->probe_ping_task
+ for (sr = h->probes_head; NULL != sr; sr = sr->next)
+ if (NULL != sr->probe_ctx->client)
+ signal_probe_result (sr);
+ h->probe_ping_task
= GNUNET_SCHEDULER_add_delayed (GNUNET_FS_PROBE_UPDATE_FREQUENCY,
- &probe_ping_task,
- sr);
+ &probe_ping_task_cb,
+ h);
+}
+
+
+/**
+ * Start the ping task for this search result.
+ *
+ * @param sr result to start pinging for.
+ */
+static void
+start_probe_ping_task (struct GNUNET_FS_SearchResult *sr)
+{
+ struct GNUNET_FS_Handle *h = sr->h;
+
+ GNUNET_CONTAINER_DLL_insert (h->probes_head,
+ h->probes_tail,
+ sr);
+ if (NULL == h->probe_ping_task)
+ h->probe_ping_task
+ = GNUNET_SCHEDULER_add_now (&probe_ping_task_cb,
+ h);
+}
+
+
+/**
+ * Stop the ping task for this search result.
+ *
+ * @param sr result to start pinging for.
+ */
+void
+GNUNET_FS_stop_probe_ping_task_ (struct GNUNET_FS_SearchResult *sr)
+{
+ struct GNUNET_FS_Handle *h = sr->h;
+
+ GNUNET_CONTAINER_DLL_remove (h->probes_head,
+ h->probes_tail,
+ sr);
+ if (NULL == h->probes_head)
+ {
+ GNUNET_SCHEDULER_cancel (h->probe_ping_task);
+ h->probe_ping_task = NULL;
+ }
}
len, sr->anonymity,
GNUNET_FS_DOWNLOAD_NO_TEMPORARIES |
GNUNET_FS_DOWNLOAD_IS_PROBE, sr, NULL);
- sr->probe_ping_task
- = GNUNET_SCHEDULER_add_now (&probe_ping_task,
- sr);
+ start_probe_ping_task (sr);
}
{
GNUNET_FS_download_stop (sr->probe_ctx, GNUNET_YES);
sr->probe_ctx = NULL;
+ GNUNET_FS_stop_probe_ping_task_ (sr);
}
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_ping_task)
- {
- GNUNET_SCHEDULER_cancel (sr->probe_ping_task);
- sr->probe_ping_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
}
sm->query = sc->requests[sc->keyword_offset].uquery;
GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
&build_result_set, &mbc);
- GNUNET_assert (0 == mbc->put_cnt);
+ GNUNET_assert (0 == mbc.put_cnt);
GNUNET_assert (total_seen_results >= sc->search_request_map_offset);
if (total_seen_results != sc->search_request_map_offset)
{
* our queries NOW.
*
* @param cls our search context
- * @param tc unused
*/
static void
-do_reconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_reconnect (void *cls)
{
struct GNUNET_FS_SearchContext *sc = cls;
struct GNUNET_CLIENT_Connection *client;
- sc->task = GNUNET_SCHEDULER_NO_TASK;
+ sc->task = NULL;
client = GNUNET_CLIENT_connect ("fs", sc->h->cfg);
if (NULL == client)
{
{
GNUNET_FS_download_stop (sr->probe_ctx, GNUNET_YES);
sr->probe_ctx = NULL;
+ GNUNET_FS_stop_probe_ping_task_ (sr);
}
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_ping_task)
- {
- GNUNET_SCHEDULER_cancel (sr->probe_ping_task);
- sr->probe_ping_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (GNUNET_SCHEDULER_NO_TASK != sr->probe_cancel_task)
+ if (NULL != sr->probe_cancel_task)
{
GNUNET_SCHEDULER_cancel (sr->probe_cancel_task);
- sr->probe_cancel_task = GNUNET_SCHEDULER_NO_TASK;
+ sr->probe_cancel_task = NULL;
}
if (NULL != sr->update_search)
GNUNET_FS_search_pause (sr->update_search);
pi.status = GNUNET_FS_STATUS_SEARCH_SUSPEND;
sc->client_info = GNUNET_FS_search_make_status_ (&pi, sc->h, sc);
GNUNET_break (NULL == sc->client_info);
- if (sc->task != GNUNET_SCHEDULER_NO_TASK)
+ if (sc->task != NULL)
{
GNUNET_SCHEDULER_cancel (sc->task);
- sc->task = GNUNET_SCHEDULER_NO_TASK;
+ sc->task = NULL;
}
if (NULL != sc->client)
{
{
struct GNUNET_FS_ProgressInfo pi;
- if (GNUNET_SCHEDULER_NO_TASK != sc->task)
+ if (NULL != sc->task)
{
GNUNET_SCHEDULER_cancel (sc->task);
- sc->task = GNUNET_SCHEDULER_NO_TASK;
+ sc->task = NULL;
}
if (NULL != sc->client)
GNUNET_CLIENT_disconnect (sc->client);
struct GNUNET_FS_ProgressInfo pi;
GNUNET_assert (NULL == sc->client);
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sc->task);
- do_reconnect (sc, NULL);
+ GNUNET_assert (NULL == sc->task);
+ do_reconnect (sc);
GNUNET_FS_search_sync_ (sc);
pi.status = GNUNET_FS_STATUS_SEARCH_CONTINUED;
sc->client_info = GNUNET_FS_search_make_status_ (&pi, sc->h, sc);
GNUNET_assert (NULL == sr->update_search);
}
GNUNET_break (NULL == sr->probe_ctx);
- GNUNET_break (GNUNET_SCHEDULER_NO_TASK == sr->probe_cancel_task);
- GNUNET_break (GNUNET_SCHEDULER_NO_TASK == sr->probe_ping_task);
+ GNUNET_break (NULL == sr->probe_cancel_task);
GNUNET_break (NULL == sr->client_info);
GNUNET_free_non_null (sr->serialization);
GNUNET_FS_uri_destroy (sr->uri);
pi.status = GNUNET_FS_STATUS_SEARCH_STOPPED;
sc->client_info = GNUNET_FS_search_make_status_ (&pi, sc->h, sc);
GNUNET_break (NULL == sc->client_info);
- if (GNUNET_SCHEDULER_NO_TASK != sc->task)
+ if (NULL != sc->task)
GNUNET_SCHEDULER_cancel (sc->task);
if (NULL != sc->client)
GNUNET_CLIENT_disconnect (sc->client);
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