* @brief code for managing interactions with clients of core service
* @author Christian Grothoff
*/
-#include "gnunet_util_lib.h"
-#include "gnunet_service_core_clients.h"
-
#ifndef GNUNET_SERVICE_CORE_CLIENTS_H
#define GNUNET_SERVICE_CORE_CLIENTS_H
+#include "gnunet_util_lib.h"
+#include "gnunet-service-core.h"
+#include "gnunet-service-core_typemap.h"
+
/**
- * Notify client about a change to existing connection to one of our neighbours.
+ * Send a message to one of our clients.
*
+ * @param client target for the message
+ * @param msg message to transmit
+ * @param can_drop could this message be dropped if the
+ * client's queue is getting too large?
+ */
+void
+GSC_CLIENTS_send_to_client (struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *msg,
+ int can_drop);
+
+
+/**
+ * Notify a particular client about a change to existing connection to
+ * one of our neighbours (check if the client is interested). Called
+ * from 'GSC_SESSIONS_notify_client_about_sessions'.
+ *
+ * @param client client to notify
* @param neighbour identity of the neighbour that changed status
- * @param tmap updated type map for the neighbour, NULL for disconnect
+ * @param atsi performance information about neighbour
+ * @param atsi_count number of entries in 'ats' array
+ * @param tmap_old previous type map for the neighbour, NULL for disconnect
+ * @param tmap_new updated type map for the neighbour, NULL for disconnect
+ */
+void
+GDS_CLIENTS_notify_client_about_neighbour (struct GSC_Client *client,
+ const struct GNUNET_PeerIdentity *neighbour,
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi,
+ unsigned int atsi_count,
+ const struct GSC_TypeMap *tmap_old,
+ const struct GSC_TypeMap *tmap_new);
+
+
+/**
+ * Notify all clients about a change to existing session.
+ * Called from SESSIONS whenever there is a change in sessions
+ * or types processed by the respective peer.
+ *
+ * @param neighbour identity of the neighbour that changed status
+ * @param atsi performance information about neighbour
+ * @param atsi_count number of entries in 'ats' array
+ * @param tmap_old previous type map for the neighbour, NULL for disconnect
+ * @param tmap_new updated type map for the neighbour, NULL for disconnect
*/
void
GDS_CLIENTS_notify_clients_about_neighbour (const struct GNUNET_PeerIdentity *neighbour,
- const struct GSC_TypeMap *tmap);
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi,
+ unsigned int atsi_count,
+ const struct GSC_TypeMap *tmap_old,
+ const struct GSC_TypeMap *tmap_new);
/**
- * Deliver P2P message to interested clients.
+ * Deliver P2P message to interested clients. Caller must have checked
+ * that the sending peer actually lists the given message type as one
+ * of its types.
*
* @param sender peer who sent us the message
- * @param m the message
+ * @param atsi performance information about neighbour
+ * @param atsi_count number of entries in 'ats' array
+ * @param msg the message
+ * @param msize number of bytes to transmit
+ * @param options options for checking which clients should
+ * receive the message
*/
void
GSC_CLIENTS_deliver_message (const struct GNUNET_PeerIdentity *sender,
- const struct GNUNET_MessageHeader *m);
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi,
+ unsigned int atsi_count,
+ const struct GNUNET_MessageHeader *msg,
+ uint16_t msize,
+ int options);
+
+
+/**
+ * Tell a client that we are ready to receive the message.
+ *
+ * @param car request that is now ready; the responsibility
+ * for the handle remains shared between CLIENTS
+ * and SESSIONS after this call.
+ */
+void
+GSC_CLIENTS_solicit_request (struct GSC_ClientActiveRequest *car);
+
+
+/**
+ * Tell a client that we will never be ready to receive the
+ * given message in time (disconnect or timeout).
+ *
+ * @param car request that now permanently failed; the
+ * responsibility for the handle is now returned
+ * to CLIENTS (SESSIONS is done with it).
+ */
+void
+GSC_CLIENTS_reject_request (struct GSC_ClientActiveRequest *car);
/**