/*
This file is part of GNUnet
- (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
+ (C) 2004-2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
#include "gnunet_statistics_service.h"
#include "datastore.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "datastore-api",__VA_ARGS__)
+
+/**
+ * Collect an instane number of statistics? May cause excessive IPC.
+ */
+#define INSANE_STATISTICS GNUNET_NO
+
/**
* If a client stopped asking for more results, how many more do
* we receive from the DB before killing the connection? Trade-off
- * between re-doing TCP handshakes and (needlessly) receiving
+ * between re-doing TCP handshakes and (needlessly) receiving
* useless results.
*/
#define MAX_EXCESS_RESULTS 8
/**
* Has this message been transmitted to the service?
* Only ever GNUNET_YES for the head of the queue.
- * Note that the overall struct should end at a
+ * Note that the overall struct should end at a
* multiple of 64 bits.
*/
int was_transmitted;
};
/**
- * Handle to the datastore service.
+ * Handle to the datastore service.
*/
struct GNUNET_DATASTORE_Handle
{
}
+/**
+ * Task used by 'transmit_drop' to disconnect the datastore.
+ *
+ * @param cls the datastore handle
+ * @param tc scheduler context
+ */
+static void
+disconnect_after_drop (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_DATASTORE_Handle *h = cls;
+
+ GNUNET_DATASTORE_disconnect (h, GNUNET_NO);
+}
+
+
/**
* Transmit DROP message to datastore service.
*
- * @param cls the 'struct GNUNET_DATASTORE_Handle'
- * @param size number of bytes that can be copied to buf
+ * @param cls the `struct GNUNET_DATASTORE_Handle`
+ * @param size number of bytes that can be copied to @a buf
* @param buf where to copy the drop message
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
transmit_drop (void *cls, size_t size, void *buf)
if (buf == NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to transmit request to drop database.\n"));
- GNUNET_DATASTORE_disconnect (h, GNUNET_NO);
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to transmit request to drop database.\n"));
+ GNUNET_SCHEDULER_add_continuation (&disconnect_after_drop, h,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
return 0;
}
GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
hdr = buf;
hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
hdr->type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_DROP);
- GNUNET_DATASTORE_disconnect (h, GNUNET_NO);
+ GNUNET_SCHEDULER_add_continuation (&disconnect_after_drop, h,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
return sizeof (struct GNUNET_MessageHeader);
}
* associated resources).
*
* @param h handle to the datastore
- * @param drop set to GNUNET_YES to delete all data in datastore (!)
+ * @param drop set to #GNUNET_YES to delete all data in datastore (!)
*/
void
GNUNET_DATASTORE_disconnect (struct GNUNET_DATASTORE_Handle *h, int drop)
{
struct GNUNET_DATASTORE_QueueEntry *qe;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Datastore disconnect\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Datastore disconnect\n");
if (NULL != h->th)
{
GNUNET_CLIENT_notify_transmit_ready_cancel (h->th);
}
if (h->client != NULL)
{
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
}
if (h->reconnect_task != GNUNET_SCHEDULER_NO_TASK)
GNUNET_TIME_UNIT_MINUTES,
GNUNET_YES, &transmit_drop, h))
return;
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
}
GNUNET_break (0);
/**
* A request has timed out (before being transmitted to the service).
*
- * @param cls the 'struct GNUNET_DATASTORE_QueueEntry'
+ * @param cls the `struct GNUNET_DATASTORE_QueueEntry`
* @param tc scheduler context
*/
static void
timeout_queue_entry (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_DATASTORE_QueueEntry *qe = cls;
+ struct GNUNET_DATASTORE_Handle *h = qe->h;
- GNUNET_STATISTICS_update (qe->h->stats,
- gettext_noop ("# queue entry timeouts"),
- 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (h->stats,
+ gettext_noop ("# queue entry timeouts"), 1,
+ GNUNET_NO);
qe->task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_assert (qe->was_transmitted == GNUNET_NO);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Timeout of request in datastore queue\n");
-#endif
+ GNUNET_assert (GNUNET_NO == qe->was_transmitted);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Timeout of request in datastore queue\n");
+ /* response_proc's expect request at the head of the queue! */
+ GNUNET_CONTAINER_DLL_remove (h->queue_head, h->queue_tail, qe);
+ GNUNET_CONTAINER_DLL_insert (h->queue_head, h->queue_tail, qe);
+ GNUNET_assert (h->queue_head == qe);
qe->response_proc (qe->h, NULL);
}
* (if other requests of higher priority are in the queue)
* @param timeout timeout for the operation
* @param response_proc function to call with replies (can be NULL)
- * @param qc client context (NOT a closure for response_proc)
- * @return NULL if the queue is full
+ * @param qc client context (NOT a closure for @a response_proc)
+ * @return NULL if the queue is full
*/
static struct GNUNET_DATASTORE_QueueEntry *
-make_queue_entry (struct GNUNET_DATASTORE_Handle *h,
- size_t msize,
- unsigned int queue_priority,
- unsigned int max_queue_size,
+make_queue_entry (struct GNUNET_DATASTORE_Handle *h, size_t msize,
+ unsigned int queue_priority, unsigned int max_queue_size,
struct GNUNET_TIME_Relative timeout,
GNUNET_CLIENT_MessageHandler response_proc,
const union QueueContext *qc)
c = 0;
pos = h->queue_head;
- while ((pos != NULL) &&
- (c < max_queue_size) && (pos->priority >= queue_priority))
+ while ((pos != NULL) && (c < max_queue_size) &&
+ (pos->priority >= queue_priority))
{
c++;
pos = pos->next;
}
if (c >= max_queue_size)
{
- GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# queue overflows"), 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# queue overflows"), 1,
+ GNUNET_NO);
return NULL;
}
ret = GNUNET_malloc (sizeof (struct GNUNET_DATASTORE_QueueEntry) + msize);
pos = h->queue_head;
}
c++;
- GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# queue entries created"),
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# queue entries created"),
1, GNUNET_NO);
+#endif
GNUNET_CONTAINER_DLL_insert_after (h->queue_head, h->queue_tail, pos, ret);
h->queue_size++;
ret->task = GNUNET_SCHEDULER_add_delayed (timeout, &timeout_queue_entry, ret);
- pos = ret->next;
- while (pos != NULL)
+ for (pos = ret->next; NULL != pos; pos = pos->next)
{
if ((pos->max_queue < h->queue_size) && (pos->was_transmitted == GNUNET_NO))
{
- GNUNET_assert (pos->response_proc != NULL);
- /* move 'pos' element to head so that it will be
+ GNUNET_assert (NULL != pos->response_proc);
+ /* move 'pos' element to head so that it will be
* killed on 'NULL' call below */
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Dropping request from datastore queue\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Dropping request from datastore queue\n");
+ /* response_proc's expect request at the head of the queue! */
GNUNET_CONTAINER_DLL_remove (h->queue_head, h->queue_tail, pos);
GNUNET_CONTAINER_DLL_insert (h->queue_head, h->queue_tail, pos);
GNUNET_STATISTICS_update (h->stats,
pos->response_proc (h, NULL);
break;
}
- pos = pos->next;
}
return ret;
}
/**
* Process entries in the queue (or do nothing if we are already
* doing so).
- *
+ *
* @param h handle to the datastore
*/
-static void process_queue (struct GNUNET_DATASTORE_Handle *h);
+static void
+process_queue (struct GNUNET_DATASTORE_Handle *h);
/**
* Try reconnecting to the datastore service.
*
- * @param cls the 'struct GNUNET_DATASTORE_Handle'
+ * @param cls the `struct GNUNET_DATASTORE_Handle`
* @param tc scheduler context
*/
static void
{
struct GNUNET_DATASTORE_Handle *h = cls;
- if (h->retry_time.rel_value < GNUNET_CONSTANTS_SERVICE_RETRY.rel_value)
- h->retry_time = GNUNET_CONSTANTS_SERVICE_RETRY;
- else
- h->retry_time = GNUNET_TIME_relative_multiply (h->retry_time, 2);
- if (h->retry_time.rel_value > GNUNET_CONSTANTS_SERVICE_TIMEOUT.rel_value)
- h->retry_time = GNUNET_CONSTANTS_SERVICE_TIMEOUT;
+ h->retry_time = GNUNET_TIME_STD_BACKOFF (h->retry_time);
h->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
h->client = GNUNET_CLIENT_connect ("datastore", h->cfg);
if (h->client == NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "DATASTORE reconnect failed (fatally)\n");
+ LOG (GNUNET_ERROR_TYPE_ERROR, "DATASTORE reconnect failed (fatally)\n");
return;
}
GNUNET_STATISTICS_update (h->stats,
gettext_noop
("# datastore connections (re)created"), 1,
GNUNET_NO);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Reconnected to DATASTORE\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Reconnected to DATASTORE\n");
process_queue (h);
}
{
if (h->client == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "client NULL in disconnect, will not try to reconnect\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "client NULL in disconnect, will not try to reconnect\n");
return;
}
-#if 0
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# reconnected to DATASTORE"),
- 1, GNUNET_NO);
-#endif
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->skip_next_messages = 0;
h->client = NULL;
- h->reconnect_task = GNUNET_SCHEDULER_add_delayed (h->retry_time,
- &try_reconnect, h);
+ h->reconnect_task =
+ GNUNET_SCHEDULER_add_delayed (h->retry_time, &try_reconnect, h);
}
struct GNUNET_DATASTORE_QueueEntry *qe;
h->in_receive = GNUNET_NO;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receiving reply from datastore\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Receiving reply from datastore\n");
if (h->skip_next_messages > 0)
{
h->skip_next_messages--;
/**
* Transmit request from queue to datastore service.
*
- * @param cls the 'struct GNUNET_DATASTORE_Handle'
- * @param size number of bytes that can be copied to buf
+ * @param cls the `struct GNUNET_DATASTORE_Handle`
+ * @param size number of bytes that can be copied to @a buf
* @param buf where to copy the drop message
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
transmit_request (void *cls, size_t size, void *buf)
return 0; /* no entry in queue */
if (buf == NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to transmit request to DATASTORE.\n"));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Failed to transmit request to DATASTORE.\n");
GNUNET_STATISTICS_update (h->stats,
gettext_noop ("# transmission request failures"),
1, GNUNET_NO);
process_queue (h);
return 0;
}
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting %u byte request to DATASTORE\n", msize);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Transmitting %u byte request to DATASTORE\n",
+ msize);
memcpy (buf, &qe[1], msize);
qe->was_transmitted = GNUNET_YES;
GNUNET_SCHEDULER_cancel (qe->task);
qe->task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_assert (GNUNET_NO == h->in_receive);
h->in_receive = GNUNET_YES;
- GNUNET_CLIENT_receive (h->client,
- &receive_cb,
- h, GNUNET_TIME_absolute_get_remaining (qe->timeout));
+ GNUNET_CLIENT_receive (h->client, &receive_cb, h,
+ GNUNET_TIME_absolute_get_remaining (qe->timeout));
+#if INSANE_STATISTICS
GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# bytes sent to datastore"),
- 1, GNUNET_NO);
+ gettext_noop ("# bytes sent to datastore"), 1,
+ GNUNET_NO);
+#endif
return msize;
}
/**
* Process entries in the queue (or do nothing if we are already
* doing so).
- *
+ *
* @param h handle to the datastore
*/
static void
if (NULL == (qe = h->queue_head))
{
-#if DEBUG_DATASTORE > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Queue empty\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Queue empty\n");
return; /* no entry in queue */
}
if (qe->was_transmitted == GNUNET_YES)
{
-#if DEBUG_DATASTORE > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Head request already transmitted\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Head request already transmitted\n");
return; /* waiting for replies */
}
if (h->th != NULL)
{
-#if DEBUG_DATASTORE > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Pending transmission request\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Pending transmission request\n");
return; /* request pending */
}
if (h->client == NULL)
{
-#if DEBUG_DATASTORE > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Not connected\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Not connected\n");
return; /* waiting for reconnect */
}
if (GNUNET_YES == h->in_receive)
/* wait for response to previous query */
return;
}
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Queueing %u byte request to DATASTORE\n", qe->message_size);
-#endif
- h->th = GNUNET_CLIENT_notify_transmit_ready (h->client,
- qe->message_size,
- GNUNET_TIME_absolute_get_remaining
- (qe->timeout), GNUNET_YES,
- &transmit_request, h);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Queueing %u byte request to DATASTORE\n",
+ qe->message_size);
+ h->th =
+ GNUNET_CLIENT_notify_transmit_ready (h->client, qe->message_size,
+ GNUNET_TIME_absolute_get_remaining
+ (qe->timeout), GNUNET_YES,
+ &transmit_request, h);
GNUNET_assert (GNUNET_NO == h->in_receive);
GNUNET_break (NULL != h->th);
}
* Dummy continuation used to do nothing (but be non-zero).
*
* @param cls closure
- * @param result result
+ * @param result result
+ * @param min_expiration expiration time
* @param emsg error message
*/
static void
-drop_status_cont (void *cls, int32_t result, const char *emsg)
+drop_status_cont (void *cls, int32_t result,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *emsg)
{
/* do nothing */
}
* Free a queue entry. Removes the given entry from the
* queue and releases associated resources. Does NOT
* call the callback.
- *
+ *
* @param qe entry to free.
*/
static void
else
process_queue (h);
if (rc.cont != NULL)
- rc.cont (rc.cont_cls,
- GNUNET_SYSERR,
+ rc.cont (rc.cont_cls, GNUNET_SYSERR,
+ GNUNET_TIME_UNIT_ZERO_ABS,
_("Failed to receive status response from database."));
return;
}
h->retry_time = GNUNET_TIME_UNIT_ZERO;
do_disconnect (h);
if (rc.cont != NULL)
- rc.cont (rc.cont_cls,
- GNUNET_SYSERR,
+ rc.cont (rc.cont_cls, GNUNET_SYSERR,
+ GNUNET_TIME_UNIT_ZERO_ABS,
_("Error reading response from datastore service"));
return;
}
GNUNET_break (0);
emsg = _("Invalid error message received from datastore service");
}
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received status %d/%s\n", (int) status, emsg);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Received status %d/%s\n", (int) status, emsg);
GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# status messages received"),
- 1, GNUNET_NO);
- h->retry_time.rel_value = 0;
+ gettext_noop ("# status messages received"), 1,
+ GNUNET_NO);
+ h->retry_time = GNUNET_TIME_UNIT_ZERO;
process_queue (h);
if (rc.cont != NULL)
- rc.cont (rc.cont_cls, status, emsg);
+ rc.cont (rc.cont_cls, status,
+ GNUNET_TIME_absolute_ntoh (sm->min_expiration),
+ emsg);
}
* (if other requests of higher priority are in the queue)
* @param timeout timeout for the operation
* @param cont continuation to call when done
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel; note that even if NULL is returned, the callback will be invoked
* (or rather, will already have been invoked)
*/
struct GNUNET_DATASTORE_QueueEntry *
-GNUNET_DATASTORE_put (struct GNUNET_DATASTORE_Handle *h,
- uint32_t rid,
- const GNUNET_HashCode * key,
- size_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
+GNUNET_DATASTORE_put (struct GNUNET_DATASTORE_Handle *h, uint32_t rid,
+ const struct GNUNET_HashCode * key, size_t size,
+ const void *data, enum GNUNET_BLOCK_Type type,
+ uint32_t priority, uint32_t anonymity,
uint32_t replication,
struct GNUNET_TIME_Absolute expiration,
- unsigned int queue_priority,
- unsigned int max_queue_size,
+ unsigned int queue_priority, unsigned int max_queue_size,
struct GNUNET_TIME_Relative timeout,
GNUNET_DATASTORE_ContinuationWithStatus cont,
void *cont_cls)
size_t msize;
union QueueContext qc;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to put %u bytes of data under key `%s' for %llu ms\n",
- size,
- GNUNET_h2s (key),
- GNUNET_TIME_absolute_get_remaining (expiration).rel_value);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to put %u bytes of data under key `%s' for %s\n", size,
+ GNUNET_h2s (key),
+ GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_remaining (expiration),
+ GNUNET_YES));
msize = sizeof (struct DataMessage) + size;
GNUNET_assert (msize < GNUNET_SERVER_MAX_MESSAGE_SIZE);
qc.sc.cont = cont;
qc.sc.cont_cls = cont_cls;
- qe = make_queue_entry (h, msize,
- queue_priority, max_queue_size, timeout,
+ qe = make_queue_entry (h, msize, queue_priority, max_queue_size, timeout,
&process_status_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry for PUT\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Could not create queue entry for PUT\n");
return NULL;
}
- GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# PUT requests executed"),
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# PUT requests executed"),
1, GNUNET_NO);
dm = (struct DataMessage *) &qe[1];
dm->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_PUT);
* @param timeout how long to wait at most for a response (or before dying in queue)
* @param cont continuation to call when done; "success" will be set to
* a positive reservation value if space could be reserved.
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel; note that even if NULL is returned, the callback will be invoked
* (or rather, will already have been invoked)
*/
struct GNUNET_DATASTORE_QueueEntry *
-GNUNET_DATASTORE_reserve (struct GNUNET_DATASTORE_Handle *h,
- uint64_t amount,
- uint32_t entries,
- unsigned int queue_priority,
+GNUNET_DATASTORE_reserve (struct GNUNET_DATASTORE_Handle *h, uint64_t amount,
+ uint32_t entries, unsigned int queue_priority,
unsigned int max_queue_size,
struct GNUNET_TIME_Relative timeout,
GNUNET_DATASTORE_ContinuationWithStatus cont,
if (cont == NULL)
cont = &drop_status_cont;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to reserve %llu bytes of data and %u entries\n",
- (unsigned long long) amount, (unsigned int) entries);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to reserve %llu bytes of data and %u entries\n",
+ (unsigned long long) amount, (unsigned int) entries);
qc.sc.cont = cont;
qc.sc.cont_cls = cont_cls;
- qe = make_queue_entry (h, sizeof (struct ReserveMessage),
- queue_priority, max_queue_size, timeout,
- &process_status_message, &qc);
+ qe = make_queue_entry (h, sizeof (struct ReserveMessage), queue_priority,
+ max_queue_size, timeout, &process_status_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry to reserve\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Could not create queue entry to reserve\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# RESERVE requests executed"),
- 1, GNUNET_NO);
+ gettext_noop ("# RESERVE requests executed"), 1,
+ GNUNET_NO);
rm = (struct ReserveMessage *) &qe[1];
rm->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_RESERVE);
rm->header.size = htons (sizeof (struct ReserveMessage));
* (if other requests of higher priority are in the queue)
* @param timeout how long to wait at most for a response
* @param cont continuation to call when done
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel; note that even if NULL is returned, the callback will be invoked
* (or rather, will already have been invoked)
*/
struct GNUNET_DATASTORE_QueueEntry *
GNUNET_DATASTORE_release_reserve (struct GNUNET_DATASTORE_Handle *h,
- uint32_t rid,
- unsigned int queue_priority,
+ uint32_t rid, unsigned int queue_priority,
unsigned int max_queue_size,
struct GNUNET_TIME_Relative timeout,
GNUNET_DATASTORE_ContinuationWithStatus cont,
if (cont == NULL)
cont = &drop_status_cont;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asked to release reserve %d\n", rid);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Asked to release reserve %d\n", rid);
qc.sc.cont = cont;
qc.sc.cont_cls = cont_cls;
qe = make_queue_entry (h, sizeof (struct ReleaseReserveMessage),
&process_status_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry to release reserve\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Could not create queue entry to release reserve\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
* (if other requests of higher priority are in the queue)
* @param timeout how long to wait at most for a response
* @param cont continuation to call when done
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel; note that even if NULL is returned, the callback will be invoked
* (or rather, will already have been invoked)
*/
struct GNUNET_DATASTORE_QueueEntry *
-GNUNET_DATASTORE_update (struct GNUNET_DATASTORE_Handle *h,
- uint64_t uid,
+GNUNET_DATASTORE_update (struct GNUNET_DATASTORE_Handle *h, uint64_t uid,
uint32_t priority,
struct GNUNET_TIME_Absolute expiration,
unsigned int queue_priority,
if (cont == NULL)
cont = &drop_status_cont;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to update entry %llu raising priority by %u and expiration to %llu\n",
- uid,
- (unsigned int) priority,
- (unsigned long long) expiration.abs_value);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to update entry %llu raising priority by %u and expiration to %s\n",
+ uid,
+ (unsigned int) priority,
+ GNUNET_STRINGS_absolute_time_to_string (expiration));
qc.sc.cont = cont;
qc.sc.cont_cls = cont_cls;
- qe = make_queue_entry (h, sizeof (struct UpdateMessage),
- queue_priority, max_queue_size, timeout,
- &process_status_message, &qc);
+ qe = make_queue_entry (h, sizeof (struct UpdateMessage), queue_priority,
+ max_queue_size, timeout, &process_status_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry for UPDATE\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Could not create queue entry for UPDATE\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# UPDATE requests executed"),
- 1, GNUNET_NO);
+ gettext_noop ("# UPDATE requests executed"), 1,
+ GNUNET_NO);
um = (struct UpdateMessage *) &qe[1];
um->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_UPDATE);
um->header.size = htons (sizeof (struct UpdateMessage));
/**
* Explicitly remove some content from the database.
- * The "cont"inuation will be called with status
- * "GNUNET_OK" if content was removed, "GNUNET_NO"
- * if no matching entry was found and "GNUNET_SYSERR"
+ * The @a cont continuation will be called with `status`
+ * #GNUNET_OK" if content was removed, #GNUNET_NO
+ * if no matching entry was found and #GNUNET_SYSERR
* on all other types of errors.
*
* @param h handle to the datastore
* (if other requests of higher priority are in the queue)
* @param timeout how long to wait at most for a response
* @param cont continuation to call when done
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel; note that even if NULL is returned, the callback will be invoked
* (or rather, will already have been invoked)
*/
struct GNUNET_DATASTORE_QueueEntry *
GNUNET_DATASTORE_remove (struct GNUNET_DATASTORE_Handle *h,
- const GNUNET_HashCode * key,
- size_t size,
- const void *data,
- unsigned int queue_priority,
+ const struct GNUNET_HashCode * key, size_t size,
+ const void *data, unsigned int queue_priority,
unsigned int max_queue_size,
struct GNUNET_TIME_Relative timeout,
GNUNET_DATASTORE_ContinuationWithStatus cont,
if (cont == NULL)
cont = &drop_status_cont;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to remove %u bytes under key `%s'\n",
- size, GNUNET_h2s (key));
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Asked to remove %u bytes under key `%s'\n",
+ size, GNUNET_h2s (key));
qc.sc.cont = cont;
qc.sc.cont_cls = cont_cls;
msize = sizeof (struct DataMessage) + size;
GNUNET_assert (msize < GNUNET_SERVER_MAX_MESSAGE_SIZE);
- qe = make_queue_entry (h, msize,
- queue_priority, max_queue_size, timeout,
+ qe = make_queue_entry (h, msize, queue_priority, max_queue_size, timeout,
&process_status_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry for REMOVE\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Could not create queue entry for REMOVE\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# REMOVE requests executed"),
- 1, GNUNET_NO);
+ gettext_noop ("# REMOVE requests executed"), 1,
+ GNUNET_NO);
dm = (struct DataMessage *) &qe[1];
dm->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_REMOVE);
dm->header.size = htons (msize);
* Type of a function to call when we receive a message
* from the service.
*
- * @param cls closure
+ * @param cls closure with the `struct GNUNET_DATASTORE_Handle *`
* @param msg message received, NULL on timeout or fatal error
*/
static void
const struct DataMessage *dm;
int was_transmitted;
- if (msg == NULL)
+ if (NULL == msg)
{
qe = h->queue_head;
GNUNET_assert (NULL != qe);
rc = qe->qc.rc;
was_transmitted = qe->was_transmitted;
free_queue_entry (qe);
- if (was_transmitted == GNUNET_YES)
+ if (GNUNET_YES == was_transmitted)
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to receive response from database.\n"));
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to receive response from database.\n"));
do_disconnect (h);
}
else
{
process_queue (h);
}
- if (rc.proc != NULL)
- rc.proc (rc.proc_cls,
- NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
+ if (NULL != rc.proc)
+ rc.proc (rc.proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS,
+ 0);
return;
}
if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_DATASTORE_DATA_END)
rc = qe->qc.rc;
GNUNET_assert (GNUNET_YES == qe->was_transmitted);
free_queue_entry (qe);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received end of result set, new queue size is %u\n",
- h->queue_size);
-#endif
- if (rc.proc != NULL)
- rc.proc (rc.proc_cls,
- NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
- h->retry_time.rel_value = 0;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received end of result set, new queue size is %u\n", h->queue_size);
+ h->retry_time = GNUNET_TIME_UNIT_ZERO;
h->result_count = 0;
process_queue (h);
+ if (NULL != rc.proc)
+ rc.proc (rc.proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS,
+ 0);
return;
}
qe = h->queue_head;
h->retry_time = GNUNET_TIME_UNIT_ZERO;
do_disconnect (h);
if (rc.proc != NULL)
- rc.proc (rc.proc_cls,
- NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
+ rc.proc (rc.proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS,
+ 0);
return;
}
if ((ntohs (msg->size) < sizeof (struct DataMessage)) ||
h->retry_time = GNUNET_TIME_UNIT_ZERO;
do_disconnect (h);
if (rc.proc != NULL)
- rc.proc (rc.proc_cls,
- NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
+ rc.proc (rc.proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS,
+ 0);
return;
}
- GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# Results received"), 1, GNUNET_NO);
- dm = (const struct DataMessage *) msg;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received result %llu with type %u and size %u with key %s\n",
- (unsigned long long) GNUNET_ntohll (dm->uid),
- ntohl (dm->type), ntohl (dm->size), GNUNET_h2s (&dm->key));
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# Results received"), 1,
+ GNUNET_NO);
#endif
+ dm = (const struct DataMessage *) msg;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received result %llu with type %u and size %u with key %s\n",
+ (unsigned long long) GNUNET_ntohll (dm->uid), ntohl (dm->type),
+ ntohl (dm->size), GNUNET_h2s (&dm->key));
free_queue_entry (qe);
- h->retry_time.rel_value = 0;
+ h->retry_time = GNUNET_TIME_UNIT_ZERO;
process_queue (h);
if (rc.proc != NULL)
- rc.proc (rc.proc_cls,
- &dm->key,
- ntohl (dm->size),
- &dm[1],
- ntohl (dm->type),
- ntohl (dm->priority),
- ntohl (dm->anonymity),
+ rc.proc (rc.proc_cls, &dm->key, ntohl (dm->size), &dm[1], ntohl (dm->type),
+ ntohl (dm->priority), ntohl (dm->anonymity),
GNUNET_TIME_absolute_ntoh (dm->expiration),
GNUNET_ntohll (dm->uid));
}
* @param proc function to call on a random value; it
* will be called once with a value (if available)
* and always once with a value of NULL.
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel
*/
union QueueContext qc;
GNUNET_assert (NULL != proc);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to get replication entry in %llu ms\n",
- (unsigned long long) timeout.rel_value);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to get replication entry in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (timeout, GNUNET_YES));
qc.rc.proc = proc;
qc.rc.proc_cls = proc_cls;
qe = make_queue_entry (h, sizeof (struct GNUNET_MessageHeader),
queue_priority, max_queue_size, timeout,
&process_result_message, &qc);
- if (qe == NULL)
+ if (NULL == qe)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry for GET REPLICATION\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Could not create queue entry for GET REPLICATION\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
* @param proc function to call on a random value; it
* will be called once with a value (if available)
* or with NULL if none value exists.
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel
*/
GNUNET_assert (NULL != proc);
GNUNET_assert (type != GNUNET_BLOCK_TYPE_ANY);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to get %llu-th zero-anonymity entry of type %d in %llu ms\n",
- (unsigned long long) offset,
- type, (unsigned long long) timeout.rel_value);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to get %llu-th zero-anonymity entry of type %d in %s\n",
+ (unsigned long long) offset, type,
+ GNUNET_STRINGS_relative_time_to_string (timeout, GNUNET_YES));
qc.rc.proc = proc;
qc.rc.proc_cls = proc_cls;
qe = make_queue_entry (h, sizeof (struct GetZeroAnonymityMessage),
queue_priority, max_queue_size, timeout,
&process_result_message, &qc);
- if (qe == NULL)
+ if (NULL == qe)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not create queue entry for zero-anonymity procation\n");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Could not create queue entry for zero-anonymity procation\n");
return NULL;
}
GNUNET_STATISTICS_update (h->stats,
* @param timeout how long to wait at most for a response
* @param proc function to call on each matching value;
* will be called once with a NULL value at the end
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
* @return NULL if the entry was not queued, otherwise a handle that can be used to
* cancel
*/
struct GNUNET_DATASTORE_QueueEntry *
-GNUNET_DATASTORE_get_key (struct GNUNET_DATASTORE_Handle *h,
- uint64_t offset,
- const GNUNET_HashCode * key,
+GNUNET_DATASTORE_get_key (struct GNUNET_DATASTORE_Handle *h, uint64_t offset,
+ const struct GNUNET_HashCode * key,
enum GNUNET_BLOCK_Type type,
unsigned int queue_priority,
unsigned int max_queue_size,
union QueueContext qc;
GNUNET_assert (NULL != proc);
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Asked to look for data of type %u under key `%s'\n",
- (unsigned int) type, GNUNET_h2s (key));
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to look for data of type %u under key `%s'\n",
+ (unsigned int) type, GNUNET_h2s (key));
qc.rc.proc = proc;
qc.rc.proc_cls = proc_cls;
- qe = make_queue_entry (h, sizeof (struct GetMessage),
- queue_priority, max_queue_size, timeout,
- &process_result_message, &qc);
+ qe = make_queue_entry (h, sizeof (struct GetMessage), queue_priority,
+ max_queue_size, timeout, &process_result_message, &qc);
if (qe == NULL)
{
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Could not queue request for `%s'\n", GNUNET_h2s (key));
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Could not queue request for `%s'\n",
+ GNUNET_h2s (key));
return NULL;
}
- GNUNET_STATISTICS_update (h->stats,
- gettext_noop ("# GET requests executed"),
+#if INSANE_STATISTICS
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# GET requests executed"),
1, GNUNET_NO);
+#endif
gm = (struct GetMessage *) &qe[1];
gm->header.type = htons (GNUNET_MESSAGE_TYPE_DATASTORE_GET);
gm->type = htonl (type);
else
{
gm->header.size =
- htons (sizeof (struct GetMessage) - sizeof (GNUNET_HashCode));
+ htons (sizeof (struct GetMessage) - sizeof (struct GNUNET_HashCode));
}
process_queue (h);
return qe;
/**
* Cancel a datastore operation. The final callback from the
* operation must not have been done yet.
- *
+ *
* @param qe operation to cancel
*/
void
GNUNET_assert (GNUNET_SYSERR != qe->was_transmitted);
h = qe->h;
-#if DEBUG_DATASTORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Pending DATASTORE request %p cancelled (%d, %d)\n",
- qe, qe->was_transmitted, h->queue_head == qe);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Pending DATASTORE request %p cancelled (%d, %d)\n", qe,
+ qe->was_transmitted, h->queue_head == qe);
if (GNUNET_YES == qe->was_transmitted)
{
free_queue_entry (qe);