#define GNUNET_DHT_SERVICE_H
#include "gnunet_util_lib.h"
+#include "gnunet_hello_lib.h"
#ifdef __cplusplus
extern "C"
*/
struct GNUNET_DHT_Handle;
+/**
+ * Handle to control a route operation.
+ */
+struct GNUNET_DHT_RouteHandle;
+
+/**
+ * Handle to control a get operation.
+ */
+struct GNUNET_DHT_GetHandle;
+
+/**
+ * Handle to control a find peer operation.
+ */
+struct GNUNET_DHT_FindPeerHandle;
+
+
/**
* Iterator called on each result obtained from a generic route
* operation
struct GNUNET_DHT_Handle *
GNUNET_DHT_connect (struct GNUNET_SCHEDULER_Handle *sched,
const struct GNUNET_CONFIGURATION_Handle *cfg,
- unsigned int ht_len);
+ unsigned int ht_len);
/**
void *cont_cls);
-/**
- * Handle to control a GET operation.
- */
-struct GNUNET_DHT_GetHandle;
-
-
/**
* Iterator called on each result obtained for a DHT
* operation that expects a reply
/**
- * Perform an asynchronous GET operation on the DHT identified.
+ * Perform an asynchronous GET operation on the DHT.
*
* @param handle handle to the DHT service
* @param timeout timeout for this request to be sent to the
- * service
- * @param type expected type of the response object
+ * service (this is NOT a timeout for receiving responses)
+ * @param type expected type of the response object (GNUNET_BLOCK_TYPE_*)
* @param key the key to look up
* @param iter function to call on each result
* @param iter_cls closure for iter
- * @param cont continuation to call once message sent
+ * @param cont continuation to call once message sent (and it is now
+ * safe to do another operation on the DHT)
* @param cont_cls closure for continuation
- *
- * @return handle to stop the async get, NULL on error
+ * @return handle to stop the async get, NULL on error (two
+ * concurrent operations scheduled)
*/
-struct GNUNET_DHT_RouteHandle *
+struct GNUNET_DHT_GetHandle *
GNUNET_DHT_get_start (struct GNUNET_DHT_Handle *handle,
struct GNUNET_TIME_Relative timeout,
- uint32_t type,
- const GNUNET_HashCode * key,
- GNUNET_DHT_GetIterator iter,
- void *iter_cls,
- GNUNET_SCHEDULER_Task cont,
- void *cont_cls);
+ uint32_t type,
+ const GNUNET_HashCode * key,
+ GNUNET_DHT_GetIterator iter,
+ void *iter_cls,
+ GNUNET_SCHEDULER_Task cont,
+ void *cont_cls);
+
/**
* Stop async DHT-get. Frees associated resources.
*
* @param get_handle GET operation to stop.
+ * @param cont continuation to call once this message is sent to the service
+ * @param cont_cls closure for the continuation
*/
void
-GNUNET_DHT_get_stop (struct GNUNET_DHT_RouteHandle *get_handle);
-
-
-/**
- * Iterator called on each result obtained from a find peer
- * operation
- *
- * @param cls closure
- * @param reply response
- */
-typedef void (*GNUNET_DHT_FindPeerProcessor)(void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *reply);
-
-
-/**
- * Iterator called on each result obtained from a generic route
- * operation
- */
-typedef void (*GNUNET_DHT_ReplyProcessor)(void *cls,
- const struct GNUNET_MessageHeader *reply);
+GNUNET_DHT_get_stop (struct GNUNET_DHT_GetHandle *get_handle,
+ GNUNET_SCHEDULER_Task cont,
+ void *cont_cls);
/**
GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE = 1
};
+
/**
- * Handle to control a route operation.
+ * Iterator called on each result obtained from a find peer
+ * operation
+ *
+ * @param cls closure
+ * @param peer hello of a target (peer near key)
*/
-struct GNUNET_DHT_RouteHandle;
+typedef void (*GNUNET_DHT_FindPeerProcessor)(void *cls,
+ const struct GNUNET_HELLO_Message *peer);
+
+
+/**
+ * Perform an asynchronous FIND PEER operation on the DHT.
+ *
+ * @param handle handle to the DHT service
+ * @param timeout timeout for this request to be sent to the
+ * service
+ * @param options routing options for this message
+ * @param key the key to look up
+ * @param proc function to call on each result
+ * @param proc_cls closure for proc
+ * @param cont continuation to call once message sent
+ * @param cont_cls closure for continuation
+ * @return handle to stop the async get, NULL on error
+ */
+struct GNUNET_DHT_FindPeerHandle *
+GNUNET_DHT_find_peer_start (struct GNUNET_DHT_Handle *handle,
+ struct GNUNET_TIME_Relative timeout,
+ enum GNUNET_DHT_RouteOption options,
+ const GNUNET_HashCode * key,
+ GNUNET_DHT_FindPeerProcessor proc,
+ void *proc_cls,
+ GNUNET_SCHEDULER_Task cont,
+ void *cont_cls);
+
+
+/**
+ * Stop async find peer. Frees associated resources.
+ *
+ * @param find_peer_handle GET operation to stop.
+ * @param cont continuation to call once this message is sent to the service
+ * @param cont_cls closure for the continuation
+ */
+void
+GNUNET_DHT_find_peer_stop (struct GNUNET_DHT_FindPeerHandle *find_peer_handle,
+ GNUNET_SCHEDULER_Task cont,
+ void *cont_cls);
+
/**
- * Perform an asynchronous FIND_PEER operation on the DHT.
+ * Iterator called on each result obtained from a generic route
+ * operation
+ *
+ * @param cls closure
+ * @param reply response
+ */
+typedef void (*GNUNET_DHT_ReplyProcessor)(void *cls,
+ const struct GNUNET_MessageHeader *reply);
+
+
+/**
+ * Perform an asynchronous ROUTE_START operation on the DHT.
*
* @param handle handle to the DHT service
* @param key the key to look up
* @param enc send the encapsulated message to a peer close to the key
* @param timeout when to abort with an error if we fail to get
* a confirmation for the request (when necessary) or how long
- * to wait for tramission to the service
+ * to wait for transmission to the service
* @param iter function to call on each result, NULL if no replies are expected
* @param iter_cls closure for iter
-
* @param cont continuation to call when done, GNUNET_SYSERR if failed
* GNUNET_OK otherwise
* @param cont_cls closure for cont
GNUNET_SCHEDULER_Task cont,
void *cont_cls);
+
+/**
+ * Stop async route stop. Frees associated resources.
+ *
+ * @param route_handle operation to stop.
+ * @param cont continuation to call once this message is sent to the service
+ * @param cont_cls closure for the continuation
+ */
void
-GNUNET_DHT_route_stop (struct GNUNET_DHT_RouteHandle *fph);
+GNUNET_DHT_route_stop (struct GNUNET_DHT_RouteHandle *route_handle,
+ GNUNET_SCHEDULER_Task cont,
+ void *cont_cls);
#if 0 /* keep Emacsens' auto-indent happy */