GNUNET_PeerIdentity * peer,
const struct
GNUNET_MessageHeader *
- message,
- const struct
- GNUNET_ATS_Information * ats,
- uint32_t ats_count);
+ message);
/**
*/
typedef void (*GNUNET_TRANSPORT_NotifyConnect) (void *cls,
const struct GNUNET_PeerIdentity
- * peer,
- const struct
- GNUNET_ATS_Information * ats,
- uint32_t ats_count);
+ * peer);
/**
* Function called to notify transport users that another
GNUNET_PeerIdentity * peer);
+/**
+ * Function to call with result of the try connect request.
+ *
+ *
+ * @param cls closure
+ * @param result GNUNET_OK if message was transmitted to transport service
+ * GNUNET_SYSERR if message was not transmitted to transport service
+ */
+typedef void (*GNUNET_TRANSPORT_TryConnectCallback) (void *cls,
+ const int result);
+
+
/**
* Function to call with a textual representation of an address.
* This function will be called several times with different possible
* @param self our own identity (API should check that it matches
* the identity found by transport), or NULL (no check)
* @param cls closure for the callbacks
- * @param rec receive function to call
- * @param nc function to call on connect events
- * @param nd function to call on disconnect events
+ * @param rec receive function to call, or NULL
+ * @param nc function to call on connect events, or NULL
+ * @param nd function to call on disconnect events, or NULL
* @return NULL on error
*/
struct GNUNET_TRANSPORT_Handle *
GNUNET_TRANSPORT_disconnect (struct GNUNET_TRANSPORT_Handle *handle);
+/**
+ * Opaque handle for a transmission-ready request.
+ */
+struct GNUNET_TRANSPORT_TryConnectHandle;
+
+
/**
* Ask the transport service to establish a connection to
* the given peer.
*
* @param handle connection to transport service
* @param target who we should try to connect to
- * @return GNUNET_OK if request can be scheduled
- * GNUNET_NO please retry later because we are reconnecting
- * GNUNET_SYSERR on failure
+ * @param cb callback to be called when request was transmitted to transport
+ * service
+ * @param cb_cls closure for the callback
+ * @return a GNUNET_TRANSPORT_TryConnectHandle handle or
+ * NULL on failure (cb will not be called)
*/
-int
+struct GNUNET_TRANSPORT_TryConnectHandle *
GNUNET_TRANSPORT_try_connect (struct GNUNET_TRANSPORT_Handle *handle,
- const struct GNUNET_PeerIdentity *target);
+ const struct GNUNET_PeerIdentity *target,
+ GNUNET_TRANSPORT_TryConnectCallback cb,
+ void *cb_cls);
+
+
+/**
+ * Cancel the request to transport to try a connect
+ * Callback will not be called
+ *
+ * @param tch GNUNET_TRANSPORT_TryConnectHandle handle to cancel
+ */
+void
+GNUNET_TRANSPORT_try_connect_cancel (struct GNUNET_TRANSPORT_TryConnectHandle *tch);
/**
/**
- * Obtain updates on changes to the HELLO message for this peer.
+ * Checks if a neighbour is connected
+ *
+ * @param handle connection to transport service
+ * @param peer the peer to check
+ * @return GNUNET_YES or GNUNET_NO
+ *
+ */
+int
+GNUNET_TRANSPORT_check_neighbour_connected (struct GNUNET_TRANSPORT_Handle *handle,
+ const struct GNUNET_PeerIdentity *peer);
+
+
+/**
+ * Set transport metrics for a peer and a direction
+ *
+ * @param handle transport handle
+ * @param peer the peer to set the metric for
+ * @param inbound set inbound direction (GNUNET_YES or GNUNET_NO)
+ * @param outbound set outbound direction (GNUNET_YES or GNUNET_NO)
+ * @param ats the metric as ATS information
+ * @param ats_count the number of metrics
+ *
+ * Supported ATS values:
+ * GNUNET_ATS_QUALITY_NET_DELAY (value in ms)
+ * GNUNET_ATS_QUALITY_NET_DISTANCE (value in count(hops))
+ *
+ * Example
+ * To enforce a delay of 10 ms for peer p1 in sending direction use:
+ *
+ * struct GNUNET_ATS_Information ats;
+ * ats.type = ntohl (GNUNET_ATS_QUALITY_NET_DELAY);
+ * ats.value = ntohl (10);
+ * GNUNET_TRANSPORT_set_traffic_metric (th, p1, TM_SEND, &ats, 1);
+ *
+ * Note:
+ * Delay restrictions in receiving direction will be enforced with
+ * 1 message delay.
+ */
+void
+GNUNET_TRANSPORT_set_traffic_metric (struct GNUNET_TRANSPORT_Handle *handle,
+ const struct GNUNET_PeerIdentity *peer,
+ int inbound,
+ int outbound,
+ const struct GNUNET_ATS_Information *ats,
+ size_t ats_count);
+
+
+/**
+ * Obtain updates on changes to the HELLO message for this peer. The callback
+ * given in this function is never called synchronously.
*
* @param handle connection to transport service
* @param rec function to call with the HELLO
/**
* Stop receiving updates about changes to our HELLO message.
*
- * @param ghh handle returned from 'GNUNET_TRANSPORT_get_hello')
+ * @param ghh handle to cancel
*/
void
GNUNET_TRANSPORT_get_hello_cancel (struct GNUNET_TRANSPORT_GetHelloHandle *ghh);
*
* @param handle connection to transport service
* @param hello the hello message
- * @param cont continuation to call when HELLO has been sent
+ * @param cont continuation to call when HELLO has been sent,
+ * tc reason GNUNET_SCHEDULER_REASON_TIMEOUT for fail
+ * tc reasong GNUNET_SCHEDULER_REASON_READ_READY for success
* @param cls closure for continuation
+ * @return a GNUNET_TRANSPORT_OfferHelloHandle handle or NULL on failure,
+ * in case of failure cont will not be called
+ *
*/
-void
+struct GNUNET_TRANSPORT_OfferHelloHandle *
GNUNET_TRANSPORT_offer_hello (struct GNUNET_TRANSPORT_Handle *handle,
const struct GNUNET_MessageHeader *hello,
GNUNET_SCHEDULER_Task cont, void *cls);
+/**
+ * Cancel the request to transport to offer the HELLO message
+ *
+ * @param ohh the GNUNET_TRANSPORT_OfferHelloHandle to cancel
+ */
+void
+GNUNET_TRANSPORT_offer_hello_cancel (struct GNUNET_TRANSPORT_OfferHelloHandle *ohh);
+
+
/**
* Handle to cancel a pending address lookup.
*/