*/
/**
- * @file datastore/datastore.hc
+ * @file datastore/datastore.h
* @brief structs for communication between datastore service and API
* @author Christian Grothoff
*/
#ifndef DATASTORE_H
#define DATASTORE_H
+#define DEBUG_DATASTORE GNUNET_EXTRA_LOGGING
+
#include "gnunet_util_lib.h"
+GNUNET_NETWORK_STRUCT_BEGIN
+
/**
* Message from datastore service informing client about
* the current size of the datastore.
struct GNUNET_MessageHeader header;
/**
- * Always zero.
+ * Number of items to reserve.
*/
- uint32_t reserved GNUNET_PACKED;
+ uint32_t entries GNUNET_PACKED;
/**
* Number of bytes to reserve.
*/
- uint64_t size GNUNET_PACKED;
-
- /**
- * Number of items to reserve.
- */
- uint64_t items GNUNET_PACKED;
+ uint64_t amount GNUNET_PACKED;
};
struct GNUNET_MessageHeader header;
/**
- * Status code.
+ * Status code, -1 for errors.
*/
int32_t status GNUNET_PACKED;
+ /**
+ * Minimum expiration time required for content to be stored
+ * by the datacache at this time, zero for unknown or no limit.
+ */
+ struct GNUNET_TIME_AbsoluteNBO min_expiration;
+
};
{
/**
* Type is GNUNET_MESSAGE_TYPE_DATASTORE_GET. Size
- * can either be "sizeof(struct GetMessage)" or
+ * can either be "sizeof(struct GetMessage)" or
* "sizeof(struct GetMessage) - sizeof(GNUNET_HashCode)"!
*/
struct GNUNET_MessageHeader header;
/**
- * Desired content type.
+ * Desired content type. (actually an enum GNUNET_BLOCK_Type)
*/
uint32_t type GNUNET_PACKED;
+ /**
+ * Offset of the result.
+ */
+ uint64_t offset GNUNET_PACKED;
+
/**
* Desired key (optional). Check the "size" of the
* header to see if the key is actually present.
*/
- GNUNET_HashCode key GNUNET_PACKED;
+ GNUNET_HashCode key;
+
+};
+
+
+/**
+ * Message to the datastore service asking about zero
+ * anonymity content.
+ */
+struct GetZeroAnonymityMessage
+{
+ /**
+ * Type is GNUNET_MESSAGE_TYPE_DATASTORE_GET_ZERO_ANONYMITY.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Desired content type (actually an enum GNUNET_BLOCK_Type)
+ */
+ uint32_t type GNUNET_PACKED;
+
+ /**
+ * Offset of the result.
+ */
+ uint64_t offset GNUNET_PACKED;
};
uint32_t size GNUNET_PACKED;
/**
- * Type of the item (NBO), zero for remove.
+ * Type of the item (NBO), zero for remove, (actually an enum GNUNET_BLOCK_Type)
*/
uint32_t type GNUNET_PACKED;
* Priority of the item (NBO), zero for remove.
*/
uint32_t priority GNUNET_PACKED;
-
+
/**
* Desired anonymity level (NBO), zero for remove.
*/
uint32_t anonymity GNUNET_PACKED;
/**
- * Unique ID for the content (can be used for UPDATE).
+ * Desired replication level. 0 from service to API.
+ */
+ uint32_t replication GNUNET_PACKED;
+
+ /**
+ * For alignment.
+ */
+ uint32_t reserved GNUNET_PACKED;
+
+ /**
+ * Unique ID for the content (can be used for UPDATE);
+ * can be zero for remove (which indicates that
+ * the datastore should use whatever UID matches
+ * the key and content).
*/
uint64_t uid;
-
+
/**
* Expiration time (NBO); zero for remove.
*/
/**
* Key under which the item can be found.
*/
- GNUNET_HashCode key GNUNET_PACKED;
+ GNUNET_HashCode key;
};
-
+GNUNET_NETWORK_STRUCT_END