GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
*/
#include "platform.h"
-#include "plugin_datastore.h"
+#include "gnunet_datastore_plugin.h"
/**
/**
* Get an estimate of how much space the database is
* currently using.
+ *
+ * @param cls our "struct Plugin*"
* @return number of bytes used on disk
*/
static unsigned long long template_plugin_get_size (void *cls)
* @param type type of the content
* @param priority priority of the content
* @param anonymity anonymity-level for the content
+ * @param replication replication-level for the content
* @param expiration expiration time for the content
* @param msg set to error message
* @return GNUNET_OK on success
*/
static int
template_plugin_put (void *cls,
- const GNUNET_HashCode * key,
- uint32_t size,
- const void *data,
- uint32_t type,
- uint32_t priority,
- uint32_t anonymity,
+ const GNUNET_HashCode * key,
+ uint32_t size,
+ const void *data,
+ enum GNUNET_BLOCK_Type type,
+ uint32_t priority,
+ uint32_t anonymity,
+ uint32_t replication,
struct GNUNET_TIME_Absolute expiration,
char **msg)
{
template_plugin_get (void *cls,
const GNUNET_HashCode * key,
const GNUNET_HashCode * vhash,
- uint32_t type,
+ enum GNUNET_BLOCK_Type type,
PluginIterator iter, void *iter_cls)
{
GNUNET_break (0);
}
+
+/**
+ * Get a random item for replication. Returns a single, not expired, random item
+ * from those with the highest replication counters. The item's
+ * replication counter is decremented by one IF it was positive before.
+ * Call 'iter' with all values ZERO or NULL if the datastore is empty.
+ *
+ * @param cls closure
+ * @param iter function to call the value (once only).
+ * @param iter_cls closure for iter
+ */
+static void
+template_plugin_replication_get (void *cls,
+ PluginIterator iter, void *iter_cls)
+{
+ GNUNET_break (0);
+}
+
+
+/**
+ * Get a random item for expiration.
+ * Call 'iter' with all values ZERO or NULL if the datastore is empty.
+ *
+ * @param cls closure
+ * @param iter function to call the value (once only).
+ * @param iter_cls closure for iter
+ */
+static void
+template_plugin_expiration_get (void *cls,
+ PluginIterator iter, void *iter_cls)
+{
+ GNUNET_break (0);
+}
+
+
/**
* Update the priority for a particular key in the datastore. If
* the expiration time in value is different than the time found in
* Note that it is possible for multiple values to match this put.
* In that case, all of the respective values are updated.
*
+ * @param cls our "struct Plugin*"
* @param uid unique identifier of the datum
* @param delta by how much should the priority
* change? If priority + delta < 0 the
* Select a subset of the items in the datastore and call
* the given iterator for each of them.
*
- * @param type entries of which type should be considered?
- * Use 0 for any type.
- * @param iter function to call on each matching value;
- * will be called once with a NULL value at the end
- * @param iter_cls closure for iter
- */
-static void
-template_plugin_iter_low_priority (void *cls,
- uint32_t type,
- PluginIterator iter,
- void *iter_cls)
-{
- GNUNET_break (0);
-}
-
-
-
-/**
- * Select a subset of the items in the datastore and call
- * the given iterator for each of them.
- *
+ * @param cls our "struct Plugin*"
* @param type entries of which type should be considered?
* Use 0 for any type.
* @param iter function to call on each matching value;
*/
static void
template_plugin_iter_zero_anonymity (void *cls,
- uint32_t type,
- PluginIterator iter,
- void *iter_cls)
-{
- GNUNET_break (0);
-}
-
-
-
-/**
- * Select a subset of the items in the datastore and call
- * the given iterator for each of them.
- *
- * @param type entries of which type should be considered?
- * Use 0 for any type.
- * @param iter function to call on each matching value;
- * will be called once with a NULL value at the end
- * @param iter_cls closure for iter
- */
-static void
-template_plugin_iter_ascending_expiration (void *cls,
- uint32_t type,
- PluginIterator iter,
- void *iter_cls)
-{
- GNUNET_break (0);
-}
-
-
-
-/**
- * Select a subset of the items in the datastore and call
- * the given iterator for each of them.
- *
- * @param type entries of which type should be considered?
- * Use 0 for any type.
- * @param iter function to call on each matching value;
- * will be called once with a NULL value at the end
- * @param iter_cls closure for iter
- */
-static void
-template_plugin_iter_migration_order (void *cls,
- uint32_t type,
- PluginIterator iter,
- void *iter_cls)
-{
- GNUNET_break (0);
-}
-
-
-
-/**
- * Select a subset of the items in the datastore and call
- * the given iterator for each of them.
- *
- * @param type entries of which type should be considered?
- * Use 0 for any type.
- * @param iter function to call on each matching value;
- * will be called once with a NULL value at the end
- * @param iter_cls closure for iter
- */
-static void
-template_plugin_iter_all_now (void *cls,
- uint32_t type,
- PluginIterator iter,
- void *iter_cls)
+ enum GNUNET_BLOCK_Type type,
+ PluginIterator iter,
+ void *iter_cls)
{
GNUNET_break (0);
}
/**
* Entry point for the plugin.
+ *
+ * @param cls the "struct GNUNET_DATASTORE_PluginEnvironment*"
+ * @return our "struct Plugin*"
*/
void *
libgnunet_plugin_datastore_template_init (void *cls)
api->put = &template_plugin_put;
api->next_request = &template_plugin_next_request;
api->get = &template_plugin_get;
+ api->replication_get = &template_plugin_replication_get;
+ api->expiration_get = &template_plugin_expiration_get;
api->update = &template_plugin_update;
- api->iter_low_priority = &template_plugin_iter_low_priority;
api->iter_zero_anonymity = &template_plugin_iter_zero_anonymity;
- api->iter_ascending_expiration = &template_plugin_iter_ascending_expiration;
- api->iter_migration_order = &template_plugin_iter_migration_order;
- api->iter_all_now = &template_plugin_iter_all_now;
api->drop = &template_plugin_drop;
GNUNET_log_from (GNUNET_ERROR_TYPE_INFO,
"template", _("Template database running\n"));
/**
* Exit point from the plugin.
+ * @param cls our "struct Plugin*"
+ * @return always NULL
*/
void *
libgnunet_plugin_datastore_template_done (void *cls)
projects / oweals / gnunet.git / blobdiff