*/
#define MIN_EXPIRE_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
-
-#define QUOTA_STAT_NAME gettext_noop ("# bytes used in file-sharing datastore")
+/**
+ * Name under which we store current space consumption.
+ */
+static char *quota_stat_name;
/**
* After how many payload-changing operations
*/
static int do_drop;
+/**
+ * Name of our plugin.
+ */
+static char *plugin_name;
+
/**
* How much space are we using for the cache? (space available for
* insertions that will be instantly reclaimed by discarding less
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
+/**
+ * Minimum time that content should have to not be discarded instantly
+ * (time stamp of any content that we've been discarding recently to
+ * stay below the quota). FOREVER if we had to expire content with
+ * non-zero priority.
+ */
+static struct GNUNET_TIME_Absolute min_expiration;
/**
* Handle for reporting statistics.
/**
- * Synchronize our utilization statistics with the
+ * Synchronize our utilization statistics with the
* statistics service.
*/
static void
sync_stats ()
{
- GNUNET_STATISTICS_set (stats, QUOTA_STAT_NAME, payload, GNUNET_YES);
+ GNUNET_STATISTICS_set (stats, quota_stat_name, payload, GNUNET_YES);
+ GNUNET_STATISTICS_set (stats, "# utilization by current datastore", payload, GNUNET_NO);
lastSync = 0;
}
* GNUNET_NO to delete the item and continue (if supported)
*/
static int
-expired_processor (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
+expired_processor (void *cls, const GNUNET_HashCode * key, uint32_t size,
+ const void *data, enum GNUNET_BLOCK_Type type,
+ uint32_t priority, uint32_t anonymity,
struct GNUNET_TIME_Absolute expiration, uint64_t uid)
{
struct GNUNET_TIME_Absolute now;
if (key == NULL)
{
- expired_kill_task
- = GNUNET_SCHEDULER_add_delayed (MAX_EXPIRE_DELAY,
- &delete_expired, NULL);
+ expired_kill_task =
+ GNUNET_SCHEDULER_add_delayed_with_priority (MAX_EXPIRE_DELAY,
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &delete_expired, NULL);
return GNUNET_SYSERR;
}
now = GNUNET_TIME_absolute_get ();
if (expiration.abs_value > now.abs_value)
{
/* finished processing */
- expired_kill_task
- = GNUNET_SCHEDULER_add_delayed (MAX_EXPIRE_DELAY,
- &delete_expired, NULL);
+ expired_kill_task =
+ GNUNET_SCHEDULER_add_delayed_with_priority (MAX_EXPIRE_DELAY,
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &delete_expired, NULL);
return GNUNET_SYSERR;
}
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Deleting content `%s' of type %u that expired %llu ms ago\n",
- GNUNET_h2s (key),
- type,
+ GNUNET_h2s (key), type,
(unsigned long long) (now.abs_value - expiration.abs_value));
#endif
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# bytes expired"), size, GNUNET_YES);
+ min_expiration = now;
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# bytes expired"), size,
+ GNUNET_YES);
GNUNET_CONTAINER_bloomfilter_remove (filter, key);
- expired_kill_task
- = GNUNET_SCHEDULER_add_delayed (MIN_EXPIRE_DELAY, &delete_expired, NULL);
+ expired_kill_task =
+ GNUNET_SCHEDULER_add_delayed_with_priority (MIN_EXPIRE_DELAY,
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &delete_expired, NULL);
return GNUNET_NO;
}
* GNUNET_NO to delete the item and continue (if supported)
*/
static int
-quota_processor (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
+quota_processor (void *cls, const GNUNET_HashCode * key, uint32_t size,
+ const void *data, enum GNUNET_BLOCK_Type type,
+ uint32_t priority, uint32_t anonymity,
struct GNUNET_TIME_Absolute expiration, uint64_t uid)
{
unsigned long long *need = cls;
return GNUNET_SYSERR;
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Deleting %llu bytes of low-priority content `%s' of type %u (still trying to free another %llu bytes)\n",
+ "Deleting %llu bytes of low-priority (%u) content `%s' of type %u at %llu ms prior to expiration (still trying to free another %llu bytes)\n",
(unsigned long long) (size + GNUNET_DATASTORE_ENTRY_OVERHEAD),
- GNUNET_h2s (key), type, *need);
+ (unsigned int) priority,
+ GNUNET_h2s (key), type,
+ (unsigned long long) GNUNET_TIME_absolute_get_remaining (expiration).rel_value,
+ *need);
#endif
if (size + GNUNET_DATASTORE_ENTRY_OVERHEAD > *need)
*need = 0;
else
*need -= size + GNUNET_DATASTORE_ENTRY_OVERHEAD;
+ if (priority > 0)
+ min_expiration = GNUNET_TIME_UNIT_FOREVER_ABS;
+ else
+ min_expiration = expiration;
GNUNET_STATISTICS_update (stats,
gettext_noop ("# bytes purged (low-priority)"),
size, GNUNET_YES);
tcc->msg = msg;
tcc->client = client;
if (NULL ==
- (tcc->th = GNUNET_SERVER_notify_transmit_ready (client,
- ntohs (msg->size),
- GNUNET_TIME_UNIT_FOREVER_REL,
- &transmit_callback, tcc)))
+ (tcc->th =
+ GNUNET_SERVER_notify_transmit_ready (client, ntohs (msg->size),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &transmit_callback, tcc)))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
sm->header.size = htons (sizeof (struct StatusMessage) + slen);
sm->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_STATUS);
sm->status = htonl (code);
+ sm->min_expiration = GNUNET_TIME_absolute_hton (min_expiration);
if (slen > 0)
memcpy (&sm[1], msg, slen);
transmit (client, &sm->header);
* GNUNET_NO to delete the item and continue (if supported)
*/
static int
-transmit_item (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
- struct GNUNET_TIME_Absolute expiration, uint64_t uid)
+transmit_item (void *cls, const GNUNET_HashCode * key, uint32_t size,
+ const void *data, enum GNUNET_BLOCK_Type type, uint32_t priority,
+ uint32_t anonymity, struct GNUNET_TIME_Absolute expiration,
+ uint64_t uid)
{
struct GNUNET_SERVER_Client *client = cls;
struct GNUNET_MessageHeader *end;
{
/* transmit 'DATA_END' */
#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting `%s' message\n", "DATA_END");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmitting `%s' message\n",
+ "DATA_END");
#endif
end = GNUNET_malloc (sizeof (struct GNUNET_MessageHeader));
end->size = htons (sizeof (struct GNUNET_MessageHeader));
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Transmitting `%s' message for `%s' of type %u with expiration %llu (now: %llu)\n",
- "DATA",
- GNUNET_h2s (key),
- type,
+ "DATA", GNUNET_h2s (key), type,
(unsigned long long) expiration.abs_value,
(unsigned long long) GNUNET_TIME_absolute_get ().abs_value);
#endif
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# results found"), 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# results found"), 1,
+ GNUNET_NO);
transmit (client, &dm->header);
GNUNET_SERVER_client_drop (client);
return GNUNET_OK;
* @param message the actual message
*/
static void
-handle_reserve (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_reserve (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
/**
return;
}
reserved += req;
- GNUNET_STATISTICS_set (stats,
- gettext_noop ("# reserved"), reserved, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, gettext_noop ("# reserved"), reserved,
+ GNUNET_NO);
e = GNUNET_malloc (sizeof (struct ReservationList));
e->next = reservations;
reservations = e;
* @param message the actual message
*/
static void
-handle_release_reserve (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_release_reserve (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct ReleaseReserveMessage *msg =
unsigned long long rem;
#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request\n", "RELEASE_RESERVE");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing `%s' request\n",
+ "RELEASE_RESERVE");
#endif
next = reservations;
prev = NULL;
((unsigned long long) GNUNET_DATASTORE_ENTRY_OVERHEAD) * pos->entries;
GNUNET_assert (reserved >= rem);
reserved -= rem;
- GNUNET_STATISTICS_set (stats,
- gettext_noop ("# reserved"), reserved, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, gettext_noop ("# reserved"), reserved,
+ GNUNET_NO);
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Returning %llu remaining reserved bytes to storage pool\n",
/**
* Actually put the data message.
+ *
+ * @param client sender of the message
+ * @param dm message with the data to store
*/
static void
execute_put (struct GNUNET_SERVER_Client *client, const struct DataMessage *dm)
size = ntohl (dm->size);
msg = NULL;
- ret = plugin->api->put (plugin->api->cls,
- &dm->key,
- size,
- &dm[1],
- ntohl (dm->type),
- ntohl (dm->priority),
- ntohl (dm->anonymity),
- ntohl (dm->replication),
- GNUNET_TIME_absolute_ntoh (dm->expiration), &msg);
+ ret =
+ plugin->api->put (plugin->api->cls, &dm->key, size, &dm[1],
+ ntohl (dm->type), ntohl (dm->priority),
+ ntohl (dm->anonymity), ntohl (dm->replication),
+ GNUNET_TIME_absolute_ntoh (dm->expiration), &msg);
if (GNUNET_OK == ret)
{
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# bytes stored"),
- size, GNUNET_YES);
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# bytes stored"), size,
+ GNUNET_YES);
GNUNET_CONTAINER_bloomfilter_add (filter, &dm->key);
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
* maybe 0 if no unique identifier is available
*
* @return GNUNET_OK usually
- * GNUNET_NO to delete the item
+ * GNUNET_NO to delete the item
*/
static int
-check_present (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
- struct GNUNET_TIME_Absolute expiration, uint64_t uid)
+check_present (void *cls, const GNUNET_HashCode * key, uint32_t size,
+ const void *data, enum GNUNET_BLOCK_Type type, uint32_t priority,
+ uint32_t anonymity, struct GNUNET_TIME_Absolute expiration,
+ uint64_t uid)
{
struct PutContext *pc = cls;
const struct DataMessage *dm;
return GNUNET_OK;
}
if ((GNUNET_BLOCK_TYPE_FS_DBLOCK == type) ||
- (GNUNET_BLOCK_TYPE_FS_IBLOCK == type) ||
- ((size == ntohl (dm->size)) && (0 == memcmp (&dm[1], data, size))))
+ (GNUNET_BLOCK_TYPE_FS_IBLOCK == type) || ((size == ntohl (dm->size)) &&
+ (0 ==
+ memcmp (&dm[1], data, size))))
{
#if DEBUG_MYSQL
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
if ((ntohl (dm->priority) > 0) ||
(GNUNET_TIME_absolute_ntoh (dm->expiration).abs_value >
expiration.abs_value))
- plugin->api->update (plugin->api->cls,
- uid,
+ plugin->api->update (plugin->api->cls, uid,
(int32_t) ntohl (dm->priority),
GNUNET_TIME_absolute_ntoh (dm->expiration), NULL);
transmit_status (pc->client, GNUNET_NO, NULL);
* @param message the actual message
*/
static void
-handle_put (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_put (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct DataMessage *dm = check_data (message);
}
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request for `%s' of type %u\n",
- "PUT", GNUNET_h2s (&dm->key), ntohl (dm->type));
+ "Processing `%s' request for `%s' of type %u\n", "PUT",
+ GNUNET_h2s (&dm->key), ntohl (dm->type));
#endif
rid = ntohl (dm->rid);
size = ntohl (dm->size);
pos->entries--;
pos->amount -= size;
reserved -= (size + GNUNET_DATASTORE_ENTRY_OVERHEAD);
- GNUNET_STATISTICS_set (stats,
- gettext_noop ("# reserved"), reserved, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, gettext_noop ("# reserved"), reserved,
+ GNUNET_NO);
}
}
if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (filter, &dm->key))
pc->client = client;
GNUNET_SERVER_client_keep (client);
memcpy (&pc[1], dm, size + sizeof (struct DataMessage));
- plugin->api->get_key (plugin->api->cls,
- 0,
- &dm->key,
- &vhash, ntohl (dm->type), &check_present, pc);
+ plugin->api->get_key (plugin->api->cls, 0, &dm->key, &vhash,
+ ntohl (dm->type), &check_present, pc);
return;
}
execute_put (client, dm);
* @param message the actual message
*/
static void
-handle_get (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_get (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct GetMessage *msg;
msg = (const struct GetMessage *) message;
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request for `%s' of type %u\n",
- "GET", GNUNET_h2s (&msg->key), ntohl (msg->type));
+ "Processing `%s' request for `%s' of type %u\n", "GET",
+ GNUNET_h2s (&msg->key), ntohl (msg->type));
#endif
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# GET requests received"),
- 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# GET requests received"), 1,
+ GNUNET_NO);
GNUNET_SERVER_client_keep (client);
if ((size == sizeof (struct GetMessage)) &&
(GNUNET_YES != GNUNET_CONTAINER_bloomfilter_test (filter, &msg->key)))
0);
return;
}
- plugin->api->get_key (plugin->api->cls,
- GNUNET_ntohll (msg->offset),
+ plugin->api->get_key (plugin->api->cls, GNUNET_ntohll (msg->offset),
((size ==
sizeof (struct GetMessage)) ? &msg->key : NULL), NULL,
ntohl (msg->type), &transmit_item, client);
* @param message the actual message
*/
static void
-handle_update (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_update (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct UpdateMessage *msg;
int ret;
char *emsg;
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# UPDATE requests received"),
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# UPDATE requests received"),
1, GNUNET_NO);
msg = (const struct UpdateMessage *) message;
emsg = NULL;
#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request for %llu\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing `%s' request for %llu\n",
"UPDATE", (unsigned long long) GNUNET_ntohll (msg->uid));
#endif
- ret = plugin->api->update (plugin->api->cls,
- GNUNET_ntohll (msg->uid),
- (int32_t) ntohl (msg->priority),
- GNUNET_TIME_absolute_ntoh (msg->expiration),
- &emsg);
+ ret =
+ plugin->api->update (plugin->api->cls, GNUNET_ntohll (msg->uid),
+ (int32_t) ntohl (msg->priority),
+ GNUNET_TIME_absolute_ntoh (msg->expiration), &emsg);
transmit_status (client, ret, emsg);
GNUNET_free_non_null (emsg);
}
* @param message the actual message
*/
static void
-handle_get_replication (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_get_replication (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request\n", "GET_REPLICATION");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing `%s' request\n",
+ "GET_REPLICATION");
#endif
GNUNET_STATISTICS_update (stats,
gettext_noop
* @param message the actual message
*/
static void
-handle_get_zero_anonymity (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_get_zero_anonymity (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct GetZeroAnonymityMessage *msg =
return;
}
#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request\n", "GET_ZERO_ANONYMITY");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing `%s' request\n",
+ "GET_ZERO_ANONYMITY");
#endif
GNUNET_STATISTICS_update (stats,
gettext_noop
GNUNET_NO);
GNUNET_SERVER_client_keep (client);
plugin->api->get_zero_anonymity (plugin->api->cls,
- GNUNET_ntohll (msg->offset),
- type, &transmit_item, client);
+ GNUNET_ntohll (msg->offset), type,
+ &transmit_item, client);
}
* in to be deleted (by returning GNUNET_NO).
*/
static int
-remove_callback (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
+remove_callback (void *cls, const GNUNET_HashCode * key, uint32_t size,
+ const void *data, enum GNUNET_BLOCK_Type type,
+ uint32_t priority, uint32_t anonymity,
struct GNUNET_TIME_Absolute expiration, uint64_t uid)
{
struct GNUNET_SERVER_Client *client = cls;
* @param message the actual message
*/
static void
-handle_remove (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_remove (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct DataMessage *dm = check_data (message);
}
#if DEBUG_DATASTORE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Processing `%s' request for `%s' of type %u\n",
- "REMOVE", GNUNET_h2s (&dm->key), ntohl (dm->type));
+ "Processing `%s' request for `%s' of type %u\n", "REMOVE",
+ GNUNET_h2s (&dm->key), ntohl (dm->type));
#endif
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# REMOVE requests received"),
+ GNUNET_STATISTICS_update (stats, gettext_noop ("# REMOVE requests received"),
1, GNUNET_NO);
GNUNET_SERVER_client_keep (client);
GNUNET_CRYPTO_hash (&dm[1], ntohl (dm->size), &vhash);
- plugin->api->get_key (plugin->api->cls,
- 0,
- &dm->key,
- &vhash,
+ plugin->api->get_key (plugin->api->cls, 0, &dm->key, &vhash,
(enum GNUNET_BLOCK_Type) ntohl (dm->type),
&remove_callback, client);
}
* @param message the actual message
*/
static void
-handle_drop (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_drop (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
#if DEBUG_DATASTORE
* change in their disk utilization.
*
* @param cls closure (NULL)
- * @param delta change in disk utilization,
+ * @param delta change in disk utilization,
* 0 for "reset to empty"
*/
static void
* @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
*/
static int
-process_stat_in (void *cls,
- const char *subsystem,
- const char *name, uint64_t value, int is_persistent)
+process_stat_in (void *cls, const char *subsystem, const char *name,
+ uint64_t value, int is_persistent)
{
GNUNET_assert (stats_worked == GNUNET_NO);
stats_worked = GNUNET_YES;
{
struct DatastorePlugin *ret;
char *libname;
- char *name;
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_string (cfg,
- "DATASTORE", "DATABASE", &name))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No `%s' specified for `%s' in configuration!\n"),
- "DATABASE", "DATASTORE");
- return NULL;
- }
ret = GNUNET_malloc (sizeof (struct DatastorePlugin));
ret->env.cfg = cfg;
ret->env.duc = &disk_utilization_change_cb;
ret->env.cls = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Loading `%s' datastore plugin\n"), name);
- GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
- ret->short_name = name;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Loading `%s' datastore plugin\n"),
+ plugin_name);
+ GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", plugin_name);
+ ret->short_name = GNUNET_strdup (plugin_name);
ret->lib_name = libname;
ret->api = GNUNET_PLUGIN_load (libname, &ret->env);
if (ret->api == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to load datastore plugin for `%s'\n"), name);
+ _("Failed to load datastore plugin for `%s'\n"), plugin_name);
GNUNET_free (ret->short_name);
GNUNET_free (libname);
GNUNET_free (ret);
GNUNET_free (plug->lib_name);
GNUNET_free (plug->short_name);
GNUNET_free (plug);
+ GNUNET_free (quota_stat_name);
+ quota_stat_name = NULL;
}
static void
unload_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ if (lastSync > 0)
+ sync_stats ();
if (GNUNET_YES == do_drop)
plugin->api->drop (plugin->api->cls);
unload_plugin (plugin);
GNUNET_CONTAINER_bloomfilter_free (filter);
filter = NULL;
}
- if (lastSync > 0)
- sync_stats ();
if (stat_get != NULL)
{
GNUNET_STATISTICS_get_cancel (stat_get);
GNUNET_STATISTICS_destroy (stats, GNUNET_YES);
stats = NULL;
}
+ GNUNET_free_non_null (plugin_name);
+ plugin_name = NULL;
}
GNUNET_SCHEDULER_cancel (expired_kill_task);
expired_kill_task = GNUNET_SCHEDULER_NO_TASK;
}
- GNUNET_SCHEDULER_add_continuation (&unload_task,
- NULL, GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ GNUNET_SCHEDULER_add_continuation (&unload_task, NULL,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
}
}
pos = next;
}
- GNUNET_STATISTICS_set (stats,
- gettext_noop ("# reserved"), reserved, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, gettext_noop ("# reserved"), reserved,
+ GNUNET_NO);
+}
+
+
+/**
+ * Adds a given key to the bloomfilter 'count' times.
+ *
+ * @param cls the bloomfilter
+ * @param key key to add
+ * @param count number of times to add key
+ */
+static void
+add_key_to_bloomfilter (void *cls,
+ const GNUNET_HashCode *key,
+ unsigned int count)
+{
+ struct GNUNET_CONTAINER_BloomFilter *bf = cls;
+ while (0 < count--)
+ GNUNET_CONTAINER_bloomfilter_add (bf, key);
}
* @param c configuration to use
*/
static void
-run (void *cls,
- struct GNUNET_SERVER_Handle *server,
+run (void *cls, struct GNUNET_SERVER_Handle *server,
const struct GNUNET_CONFIGURATION_Handle *c)
{
static const struct GNUNET_SERVER_MessageHandler handlers[] = {
sizeof (struct GNUNET_MessageHeader)},
{NULL, NULL, 0, 0}
};
- char *fn;
+ char *fn;
+ char *pfn;
unsigned int bf_size;
+ int refresh_bf;
cfg = c;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "DATASTORE", "QUOTA", "a))
+ GNUNET_CONFIGURATION_get_value_string (cfg, "DATASTORE", "DATABASE",
+ &plugin_name))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No `%s' specified for `%s' in configuration!\n"), "DATABASE",
+ "DATASTORE");
+ return;
+ }
+ GNUNET_asprintf ("a_stat_name,
+ _("# bytes used in file-sharing datastore `%s'"),
+ plugin_name);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_size (cfg, "DATASTORE", "QUOTA", "a))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No `%s' specified for `%s' in configuration!\n"),
- "QUOTA", "DATASTORE");
+ _("No `%s' specified for `%s' in configuration!\n"), "QUOTA",
+ "DATASTORE");
return;
}
stats = GNUNET_STATISTICS_create ("datastore", cfg);
GNUNET_STATISTICS_set (stats, gettext_noop ("# quota"), quota, GNUNET_NO);
cache_size = quota / 8; /* Or should we make this an option? */
- GNUNET_STATISTICS_set (stats,
- gettext_noop ("# cache size"), cache_size, GNUNET_NO);
- bf_size = quota / 32; /* 8 bit per entry, 1 bit per 32 kb in DB */
+ GNUNET_STATISTICS_set (stats, gettext_noop ("# cache size"), cache_size,
+ GNUNET_NO);
+ if (quota / (32 * 1024LL) > (1 << 31))
+ bf_size = (1 << 31); /* absolute limit: ~2 GB, beyond that BF just won't help anyway */
+ else
+ bf_size = quota / (32 * 1024LL); /* 8 bit per entry, 1 bit per 32 kb in DB */
fn = NULL;
if ((GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "DATASTORE",
- "BLOOMFILTER",
+ GNUNET_CONFIGURATION_get_value_filename (cfg, "DATASTORE", "BLOOMFILTER",
&fn)) ||
(GNUNET_OK != GNUNET_DISK_directory_create_for_file (fn)))
{
fn = NULL;
}
if (fn != NULL)
- filter = GNUNET_CONTAINER_bloomfilter_load (fn, bf_size, 5); /* approx. 3% false positives at max use */
+ {
+ GNUNET_asprintf (&pfn, "%s.%s", fn, plugin_name);
+ if (GNUNET_YES == GNUNET_DISK_file_test (pfn))
+ {
+ filter = GNUNET_CONTAINER_bloomfilter_load (pfn, bf_size, 5); /* approx. 3% false positives at max use */
+ if (NULL == filter)
+ {
+ /* file exists but not valid, remove and try again, but refresh */
+ if (0 != UNLINK (pfn))
+ {
+ /* failed to remove, run without file */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to remove bogus bloomfilter file `%s'\n"),
+ pfn);
+ GNUNET_free (pfn);
+ pfn = NULL;
+ filter = GNUNET_CONTAINER_bloomfilter_load (NULL, bf_size, 5); /* approx. 3% false positives at max use */
+ refresh_bf = GNUNET_YES;
+ }
+ else
+ {
+ /* try again after remove */
+ filter = GNUNET_CONTAINER_bloomfilter_load (pfn, bf_size, 5); /* approx. 3% false positives at max use */
+ refresh_bf = GNUNET_YES;
+ if (NULL == filter)
+ {
+ /* failed yet again, give up on using file */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to remove bogus bloomfilter file `%s'\n"),
+ pfn);
+ GNUNET_free (pfn);
+ pfn = NULL;
+ filter = GNUNET_CONTAINER_bloomfilter_load (NULL, bf_size, 5); /* approx. 3% false positives at max use */
+ }
+ }
+ }
+ else
+ {
+ /* normal case: have an existing valid bf file, no need to refresh */
+ refresh_bf = GNUNET_NO;
+ }
+ }
+ else
+ {
+ filter = GNUNET_CONTAINER_bloomfilter_load (pfn, bf_size, 5); /* approx. 3% false positives at max use */
+ refresh_bf = GNUNET_YES;
+ }
+ GNUNET_free (pfn);
+ }
else
+ {
filter = GNUNET_CONTAINER_bloomfilter_init (NULL, bf_size, 5); /* approx. 3% false positives at max use */
+ refresh_bf = GNUNET_YES;
+ }
GNUNET_free_non_null (fn);
if (filter == NULL)
{
}
return;
}
- stat_get = GNUNET_STATISTICS_get (stats,
- "datastore",
- QUOTA_STAT_NAME,
- GNUNET_TIME_UNIT_SECONDS,
- &process_stat_done,
- &process_stat_in, plugin);
+ stat_get =
+ GNUNET_STATISTICS_get (stats, "datastore", quota_stat_name,
+ GNUNET_TIME_UNIT_SECONDS, &process_stat_done,
+ &process_stat_in, plugin);
GNUNET_SERVER_disconnect_notify (server, &cleanup_reservations, NULL);
GNUNET_SERVER_add_handlers (server, handlers);
- expired_kill_task
- = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
- &delete_expired, NULL);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &cleaning_task, NULL);
+ if (GNUNET_YES == refresh_bf)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Rebuilding bloomfilter. Please be patient.\n"));
+ if (NULL != plugin->api->get_keys)
+ plugin->api->get_keys (plugin->api->cls, &add_key_to_bloomfilter, filter);
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Plugin does not support get_keys function. Please fix!\n"));
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Bloomfilter construction complete.\n"));
+ }
+ expired_kill_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &delete_expired, NULL);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleaning_task,
+ NULL);
}
{
int ret;
- ret = (GNUNET_OK ==
- GNUNET_SERVICE_run (argc,
- argv,
- "datastore",
- GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
+ ret =
+ (GNUNET_OK ==
+ GNUNET_SERVICE_run (argc, argv, "datastore", GNUNET_SERVICE_OPTION_NONE,
+ &run, NULL)) ? 0 : 1;
return ret;
}