*/
typedef void (*GNUNET_CORE_PeerStatusEventHandler) (void *cls,
const struct
- GNUNET_PeerIdentity * peer,
+ GNUNET_PeerIdentity *peer,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_TIME_Absolute timeout,
struct GNUNET_CORE_PeerRequestHandle;
+/**
+ * Type of function called upon completion.
+ *
+ * @param cls closure
+ * @param success GNUNET_OK on success (which for request_connect
+ * ONLY means that we transmitted the connect request to CORE,
+ * it does not mean that we are actually now connected!);
+ * GNUNET_NO on timeout,
+ * GNUNET_SYSERR if core was shut down
+ */
+typedef void (*GNUNET_CORE_ControlContinuation)(void *cls, int success);
+
+
/**
* Request that the core should try to connect to a particular peer.
* Once the request has been transmitted to the core, the continuation
GNUNET_CORE_peer_request_connect (struct GNUNET_CORE_Handle *h,
struct GNUNET_TIME_Relative timeout,
const struct GNUNET_PeerIdentity * peer,
- GNUNET_SCHEDULER_Task cont,
+ GNUNET_CORE_ControlContinuation cont,
void *cont_cls);
* @param bandwidth_out available amount of outbound bandwidth
* @param amount set to the amount that was actually reserved or unreserved;
* either the full requested amount or zero (no partial reservations)
+ * @param res_delay if the reservation could not be satisfied (amount was 0), how
+ * long should the client wait until re-trying?
* @param preference current traffic preference for the given peer
*/
typedef void
(*GNUNET_CORE_PeerConfigurationInfoCallback) (void *cls,
const struct
- GNUNET_PeerIdentity * peer,
+ GNUNET_PeerIdentity *peer,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
- int amount,
+ int32_t amount,
+ struct GNUNET_TIME_Relative res_delay,
uint64_t preference);
* @param timeout after how long should we give up (and call "info" with NULL
* for "peer" to signal an error)?
* @param bw_out set to the current bandwidth limit (sending) for this peer,
- * caller should set "bpm_out" to "-1" to avoid changing
+ * caller should set "bpm_out" to "GNUNET_BANDWIDTH_VALUE_MAX" to avoid changing
* the current value; otherwise "bw_out" will be lowered to
* the specified value; passing a pointer to "0" can be used to force
* us to disconnect from the peer; "bw_out" might not increase
GNUNET_CORE_ConnectEventHandler peer_cb,
void *cb_cls);
+/**
+ * Iterate over all currently connected peers.
+ * Calls peer_cb with each connected peer, and then
+ * once with NULL to indicate that all peers have
+ * been handled.
+ *
+ * @param cfg configuration to use
+ * @param peer the specific peer to check for
+ * @param peer_cb function to call with the peer information
+ * @param cb_cls closure for peer_cb
+ *
+ * @return GNUNET_OK if iterating, GNUNET_SYSERR on error
+ */
+int
+GNUNET_CORE_is_peer_connected (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ struct GNUNET_PeerIdentity *peer,
+ GNUNET_CORE_ConnectEventHandler peer_cb,
+ void *cb_cls);
+
/**
* Handle for a transmission request.
/**
* Ask the core to call "notify" once it is ready to transmit the
- * given number of bytes to the specified "target". If we are not yet
- * connected to the specified peer, a call to this function will cause
- * us to try to establish a connection.
+ * given number of bytes to the specified "target". Must only be
+ * called after a connection to the respective peer has been
+ * established (and the client has been informed about this).
+ *
*
* @param handle connection to core service
+ * @param cork is corking allowed for this transmission?
* @param priority how important is the message?
* @param maxdelay how long can the message wait?
* @param target who should receive the message,
* @param notify function to call when buffer space is available;
* will be called with NULL on timeout or if the overall queue
* for this peer is larger than queue_size and this is currently
- * the message with the lowest priority
+ * the message with the lowest priority; will also be called
+ * with 'NULL' buf if the peer disconnects; since the disconnect
+ * signal will be emmitted even later, clients MUST cancel
+ * all pending transmission requests DURING the disconnect
+ * handler (unless they ensure that 'notify' never calls
+ * 'GNUNET_CORE_notify_transmit_ready').
* @param notify_cls closure for notify
* @return non-NULL if the notify callback was queued,
* NULL if we can not even queue the request (insufficient
GNUNET_CORE_notify_transmit_ready (struct
GNUNET_CORE_Handle
*handle,
+ int cork,
uint32_t priority,
struct
GNUNET_TIME_Relative