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21 * @file cadet/gnunet-service-cadet_hello.c
22 * @brief spread knowledge about how to contact other peers from PEERINFO
23 * @author Bartlomiej Polot
24 * @author Christian Grothoff
27 * - is most of this necessary/helpful?
28 * - should we not simply restrict this to OUR hello?
31 #include "gnunet_util_lib.h"
33 #include "gnunet_statistics_service.h"
34 #include "gnunet_peerinfo_service.h"
35 #include "cadet_protocol.h"
36 #include "gnunet-service-cadet.h"
37 #include "gnunet-service-cadet_dht.h"
38 #include "gnunet-service-cadet_hello.h"
39 #include "gnunet-service-cadet_peer.h"
41 #define LOG(level, ...) GNUNET_log_from(level,"cadet-hll",__VA_ARGS__)
44 * Hello message of local peer.
46 static struct GNUNET_HELLO_Message *mine;
49 * Handle to peerinfo service.
51 static struct GNUNET_PEERINFO_Handle *peerinfo;
56 static struct GNUNET_PEERINFO_NotifyContext *nc;
60 * Process each hello message received from peerinfo.
62 * @param cls Closure (unused).
63 * @param peer Identity of the peer.
64 * @param hello Hello of the peer.
65 * @param err_msg Error message.
69 const struct GNUNET_PeerIdentity *id,
70 const struct GNUNET_HELLO_Message *hello,
73 struct CadetPeer *peer;
80 sizeof (struct GNUNET_PeerIdentity)))
82 GNUNET_free_non_null (mine);
83 mine = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (&hello->header);
88 LOG (GNUNET_ERROR_TYPE_DEBUG,
89 "Hello for %s (%d bytes), expires on %s\n",
91 GNUNET_HELLO_size (hello),
92 GNUNET_STRINGS_absolute_time_to_string (GNUNET_HELLO_get_last_expiration (hello)));
101 * Initialize the hello subsystem.
103 * @param c Configuration.
106 GCH_init (const struct GNUNET_CONFIGURATION_Handle *c)
108 GNUNET_assert (NULL == nc);
109 peerinfo = GNUNET_PEERINFO_connect (c);
110 nc = GNUNET_PEERINFO_notify (c,
118 * Shut down the hello subsystem.
125 GNUNET_PEERINFO_notify_cancel (nc);
128 if (NULL != peerinfo)
130 GNUNET_PEERINFO_disconnect (peerinfo);
142 * Get own hello message.
144 * @return Own hello message.
146 const struct GNUNET_HELLO_Message *
152 /* end of gnunet-service-cadet-new_hello.c */