#endif
#endif
+/**
+ * Options for storing values in PEERSTORE
+ */
+enum GNUNET_PEERSTORE_StoreOption
+{
+
+ /**
+ * Possibly store multiple values under given key.
+ */
+ GNUNET_PEERSTORE_STOREOPTION_MULTIPLE,
+
+ /**
+ * Delete any previous values for the given key before
+ * storing the given value.
+ */
+ GNUNET_PEERSTORE_STOREOPTION_REPLACE,
+
+};
+
/**
* Handle to the peerstore service.
*/
struct GNUNET_PEERSTORE_Handle;
/**
- * Context for add requests
+ * Context for a store request
*/
-struct GNUNET_PEERSTORE_AddContext;
+struct GNUNET_PEERSTORE_StoreContext;
+
+/**
+ * Single PEERSTORE record
+ */
+struct GNUNET_PEERSTORE_Record
+{
+
+ /**
+ * Responsible sub system string
+ */
+ char *sub_system;
+
+ /**
+ * Peer Identity
+ */
+ struct GNUNET_PeerIdentity *peer;
+
+ /**
+ * Record key string
+ */
+ char *key;
+
+ /**
+ * Record value BLOB
+ */
+ void *value;
+
+ /**
+ * Size of 'value' BLOB
+ */
+ size_t value_size;
+
+ /**
+ * Expiry time of entry
+ */
+ struct GNUNET_TIME_Absolute *expiry;
+
+};
/**
* Continuation called with a status result.
*
* @param cls closure
- * @param emsg error message, NULL on success
+ * @param success #GNUNET_OK or #GNUNET_SYSERR
*/
-typedef void (*GNUNET_PEERSTORE_Continuation)(void *cls,
- const char *emsg);
+typedef void (*GNUNET_PEERSTORE_Continuation)(void *cls, int success);
/**
- * Continuation called after an Add is completed
+ * Function called by for each matching record.
*
* @param cls closure
- * @param success #GNUNET_YES / #GNUNET_NO
+ * @param record peerstore record information
+ * @param emsg error message, or NULL if no errors
+ * @return #GNUNET_YES to continue iterating, #GNUNET_NO to stop
+ */
+typedef int (*GNUNET_PEERSTORE_Processor) (void *cls,
+ struct GNUNET_PEERSTORE_Record *record,
+ char *emsg);
+
+/**
+ * Connect to the PEERSTORE service.
+ *
+ * @return NULL on error
+ */
+struct GNUNET_PEERSTORE_Handle *
+GNUNET_PEERSTORE_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+/**
+ * Disconnect from the PEERSTORE service
+ *
+ * @param h handle to disconnect
+ */
+void
+GNUNET_PEERSTORE_disconnect(struct GNUNET_PEERSTORE_Handle *h);
+
+/**
+ * Store a new entry in the PEERSTORE
+ *
+ * @param h Handle to the PEERSTORE service
+ * @param sub_system name of the sub system
+ * @param peer Peer Identity
+ * @param key entry key
+ * @param value entry value BLOB
+ * @param size size of 'value'
+ * @param expiry absolute time after which the entry is (possibly) deleted
+ * @param options store operation option
+ * @param cont Continuation function after the store request is processed
+ * @param cont_cls Closure for 'cont'
+ */
+struct GNUNET_PEERSTORE_StoreContext *
+GNUNET_PEERSTORE_store (struct GNUNET_PEERSTORE_Handle *h,
+ const char *sub_system,
+ const struct GNUNET_PeerIdentity *peer,
+ const char *key,
+ const void *value,
+ size_t size,
+ struct GNUNET_TIME_Absolute expiry,
+ enum GNUNET_PEERSTORE_StoreOption options,
+ GNUNET_PEERSTORE_Continuation cont,
+ void *cont_cls);
+
+/**
+ * Cancel a store request
+ *
+ * @param sc Store request context
+ */
+void
+GNUNET_PEERSTORE_store_cancel (struct GNUNET_PEERSTORE_StoreContext *sc);
+
+/**
+ * Iterate over records matching supplied key information
+ *
+ * @param h handle to the PEERSTORE service
+ * @param sub_system name of sub system
+ * @param peer Peer identity (can be NULL)
+ * @param key entry key string (can be NULL)
+ * @param timeout time after which the iterate request is canceled
+ * @param callback function called with each matching record, all NULL's on end
+ * @param callback_cls closure for @a callback
+ */
+struct GNUNET_PEERSTORE_IterateContext *
+GNUNET_PEERSTORE_iterate (struct GNUNET_PEERSTORE_Handle *h,
+ const char *sub_system,
+ const struct GNUNET_PeerIdentity *peer,
+ const char *key,
+ struct GNUNET_TIME_Relative timeout,
+ GNUNET_PEERSTORE_Processor callback, void *callback_cls);
+
+/**
+ * Cancel an iterate request
+ * Please do not call after the iterate request is done
+ *
+ * @param ic Iterate request context as returned by GNUNET_PEERSTORE_iterate()
+ */
+void
+GNUNET_PEERSTORE_iterate_cancel (struct GNUNET_PEERSTORE_IterateContext *ic);
+
+/**
+ * Request watching a given key
+ * User will be notified with any new values added to key
+ *
+ * @param h handle to the PEERSTORE service
+ * @param sub_system name of sub system
+ * @param peer Peer identity
+ * @param key entry key string
+ * @param callback function called with each new value
+ * @param callback_cls closure for @a callback
+ * @return Handle to watch request
+ */
+struct GNUNET_PEERSTORE_WatchContext *
+GNUNET_PEERSTORE_watch (struct GNUNET_PEERSTORE_Handle *h,
+ const char *sub_system,
+ const struct GNUNET_PeerIdentity *peer,
+ const char *key,
+ GNUNET_PEERSTORE_Processor callback, void *callback_cls);
+
+/**
+ * Cancel a watch request
+ *
+ * @wc handle to the watch request
*/
-typedef void (*GNUNET_PEERSTORE_AddContinuation)(void *cls, int success);
+void
+GNUNET_PEERSTORE_watch_cancel(struct GNUNET_PEERSTORE_WatchContext *wc);
#if 0 /* keep Emacsens' auto-indent happy */
{