*/
struct GNUNET_PEERINFO_Handle *
GNUNET_PEERINFO_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
-
/**
/**
- * Add a host to the persistent list. This method operates in
+ * Continuation called with a status result.
+ *
+ * @param cls closure
+ * @param emsg error message, NULL on success
+ */
+typedef void (*GNUNET_PEERINFO_Continuation)(void *cls,
+ const char *emsg);
+
+
+/**
+ * Opaque handle to cancel 'add' operation.
+ */
+struct GNUNET_PEERINFO_AddContext;
+
+
+/**
+ * Add a host to the persistent list. This method operates in
* semi-reliable mode: if the transmission is not completed by
* the time 'GNUNET_PEERINFO_disconnect' is called, it will be
* aborted. Furthermore, if a second HELLO is added for the
*
* @param h handle to the peerinfo service
* @param hello the verified (!) HELLO message
+ * @param cont continuation to call when done, NULL is allowed
+ * @param cont_cls closure for 'cont'
+ * @return handle to cancel add operation; all pending
+ * 'add' operations will be cancelled automatically
+ * on disconnect, so it is not necessary to keep this
+ * handle (unless 'cont' is NULL and at some point
+ * calling 'cont' must be prevented)
*/
-void
+struct GNUNET_PEERINFO_AddContext *
GNUNET_PEERINFO_add_peer (struct GNUNET_PEERINFO_Handle *h,
- const struct GNUNET_HELLO_Message *hello);
+ const struct GNUNET_HELLO_Message *hello,
+ GNUNET_PEERINFO_Continuation cont,
+ void *cont_cls);
+
+
+/**
+ * Cancel pending 'add' operation. Must only be called before
+ * either 'cont' or 'GNUNET_PEERINFO_disconnect' are invoked.
+ *
+ * @param ac handle for the add operation to cancel
+ */
+void
+GNUNET_PEERINFO_add_peer_cancel (struct GNUNET_PEERINFO_AddContext *ac);
/**
* @param cls closure
* @param peer id of the peer, NULL for last call
* @param hello hello message for the peer (can be NULL)
+ * @param error message
*/
-typedef void
- (*GNUNET_PEERINFO_Processor) (void *cls,
- const struct GNUNET_PeerIdentity * peer,
- const struct GNUNET_HELLO_Message * hello);
+typedef void (*GNUNET_PEERINFO_Processor) (void *cls,
+ const struct GNUNET_PeerIdentity *
+ peer,
+ const struct GNUNET_HELLO_Message *
+ hello, const char *err_msg);
/**
/**
- * Call a method for each known matching host and change its trust
- * value. The callback method will be invoked once for each matching
+ * Call a method for each known matching host to get its HELLO.
+ * The callback method will be invoked once for each matching
* host and then finally once with a NULL pointer. After that final
* invocation, the iterator context must no longer be used.
*
- * Instead of calling this function with 'peer == NULL'
+ * Instead of calling this function with 'peer == NULL'
* it is often better to use 'GNUNET_PEERINFO_notify'.
- *
+ *
* @param h handle to the peerinfo service
* @param peer restrict iteration to this peer only (can be NULL)
* @param timeout how long to wait until timing out
* @param callback the method to call for each peer
* @param callback_cls closure for callback
- * @return NULL on error (in this case, 'callback' is never called!),
+ * @return NULL on error (in this case, 'callback' is never called!),
* otherwise an iterator context
*/
struct GNUNET_PEERINFO_IteratorContext *
GNUNET_PEERINFO_iterate (struct GNUNET_PEERINFO_Handle *h,
- const struct GNUNET_PeerIdentity *peer,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_PEERINFO_Processor callback,
- void *callback_cls);
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_TIME_Relative timeout,
+ GNUNET_PEERINFO_Processor callback,
+ void *callback_cls);
*/
struct GNUNET_PEERINFO_NotifyContext *
GNUNET_PEERINFO_notify (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_PEERINFO_Processor callback,
- void *callback_cls);
+ GNUNET_PEERINFO_Processor callback, void *callback_cls);
/**