2 This file is part of GNUnet.
3 (C) 2010,2011 Christian Grothoff (and other contributing authors)
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22 * @file transport/gnunet-service-transport_neighbours.h
23 * @brief neighbour management API
24 * @author Christian Grothoff
26 #ifndef GNUNET_SERVICE_TRANSPORT_NEIGHBOURS_H
27 #define GNUNET_SERVICE_TRANSPORT_NEIGHBOURS_H
29 #include "gnunet_statistics_service.h"
30 #include "gnunet_transport_service.h"
31 #include "gnunet_util_lib.h"
34 // - ATS and similar info is a bit lacking in the API right now...
39 * Initialize the neighbours subsystem.
41 * @param cls closure for callbacks
42 * @param connect_cb function to call if we connect to a peer
43 * @param disconnect_cb function to call if we disconnect from a peer
46 GST_neighbours_start (void *cls,
47 GNUNET_TRANSPORT_NotifyConnect connect_cb,
48 GNUNET_TRANSPORT_NotifyDisconnect disconnect_cb);
52 * Cleanup the neighbours subsystem.
55 GST_neighbours_stop (void);
59 * Try to create a connection to the given target (eventually).
61 * @param target peer to try to connect to
64 GST_neighbours_try_connect (const struct GNUNET_PeerIdentity *target);
68 * Test if we're connected to the given peer.
70 * @param target peer to test
71 * @return GNUNET_YES if we are connected, GNUNET_NO if not
74 GST_neighbours_test_connected (const struct GNUNET_PeerIdentity *target);
78 * Function called after the transmission is done.
81 * @param success GNUNET_OK on success, GNUNET_NO on failure
83 typedef void (*GST_NeighbourSendContinuation)(void *cls,
88 * Transmit a message to the given target using the active connection.
90 * @param target destination
91 * @param msg message to send
92 * @param cont function to call when done
93 * @param cont_cls closure for 'cont'
96 GST_neighbours_send (const struct GNUNET_PeerIdentity *target,
97 const struct GNUNET_MessageHeader *msg,
98 GST_NeighbourSendContinuation cont,
102 * Change the quota for the given peer.
103 * FIXME: inbound or outbound quota?
105 * @param neighbour identity of peer to change qutoa for
106 * @param quota new quota FIXME: fix type!
109 GST_neighbours_set_quota (const struct GNUNET_PeerIdentity *neighbour,
114 * If we have an active connection to the given target, it must be shutdown.
116 * @param target peer to disconnect from
119 GST_neighbours_force_disconnect (const struct GNUNET_PeerIdentity *target);
123 * Function called for each connected neighbour.
126 * @param neighbour identity of the neighbour
127 * @param ats performance data
128 * @param ats_count number of entries in ats (excluding 0-termination)
130 typedef void (*GST_NeighbourIterator)(void *cls,
131 const struct GNUNET_PeerIdentity *neighbour,
132 const struct GNUNET_TRANSPORT_ATS_Information *ats,
137 * Iterate over all connected neighbours.
139 * @param cb function to call
140 * @param cb_cls closure for cb
143 GST_neighbours_iterate (GST_NeighbourIterator cb,
148 * We have received a PONG. Update lifeness of the neighbour.
150 * @param sender peer sending the PONG
151 * @param hdr the PONG message (presumably)
152 * @param plugin_name name of transport that delivered the PONG
153 * @param sender_address address of the other peer, NULL if other peer
155 * @param sender_address_len number of bytes in sender_address
156 * @return GNUNET_OK if the message was well-formed, GNUNET_SYSERR if not
159 GST_neighbours_handle_pong (const struct GNUNET_PeerIdentity *sender,
160 const struct GNUNET_MessageHeader *hdr,
161 const char *plugin_name,
162 const void *sender_address,
163 size_t sender_address_len);
167 * We have received a CONNECT. Set the peer to connected.
169 * @param sender peer sending the PONG
170 * @param hdr the PONG message (presumably)
171 * @param plugin_name name of transport that delivered the PONG
172 * @param sender_address address of the other peer, NULL if other peer
174 * @param sender_address_len number of bytes in sender_address
175 * @return GNUNET_OK if the message was well-formed, GNUNET_SYSERR if not
178 GST_neighbours_handle_connect (const struct GNUNET_PeerIdentity *sender,
179 const struct GNUNET_MessageHeader *hdr,
180 const char *plugin_name,
181 const void *sender_address,
182 size_t sender_address_len);
186 * We have received a DISCONNECT. Set the peer to disconnected.
188 * @param sender peer sending the PONG
189 * @param hdr the PONG message (presumably)
190 * @param plugin_name name of transport that delivered the PONG
191 * @param sender_address address of the other peer, NULL if other peer
193 * @param sender_address_len number of bytes in sender_address
194 * @return GNUNET_OK if the message was well-formed, GNUNET_SYSERR if not
197 GST_neighbours_handle_disconnect (const struct GNUNET_PeerIdentity *sender,
198 const struct GNUNET_MessageHeader *hdr,
199 const char *plugin_name,
200 const void *sender_address,
201 size_t sender_address_len);
205 /* end of file gnunet-service-transport_neighbours.h */