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21 * @file cadet/gnunet-service-cadet-new_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-new.h"
37 #include "gnunet-service-cadet-new_hello.h"
38 #include "gnunet-service-cadet-new_peer.h"
40 #define LOG(level, ...) GNUNET_log_from(level,"cadet-hll",__VA_ARGS__)
43 * Hello message of local peer.
45 static struct GNUNET_HELLO_Message *mine;
48 * Handle to peerinfo service.
50 static struct GNUNET_PEERINFO_Handle *peerinfo;
55 static struct GNUNET_PEERINFO_NotifyContext *nc;
59 * Process each hello message received from peerinfo.
61 * @param cls Closure (unused).
62 * @param peer Identity of the peer.
63 * @param hello Hello of the peer.
64 * @param err_msg Error message.
68 const struct GNUNET_PeerIdentity *id,
69 const struct GNUNET_HELLO_Message *hello,
72 struct CadetPeer *peer;
79 sizeof (struct GNUNET_PeerIdentity)))
81 GNUNET_free_non_null (mine);
82 mine = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (&hello->header);
86 LOG (GNUNET_ERROR_TYPE_DEBUG,
87 "Hello for %s (%d bytes), expires on %s\n",
89 GNUNET_HELLO_size (hello),
90 GNUNET_STRINGS_absolute_time_to_string (GNUNET_HELLO_get_last_expiration (hello)));
99 * Initialize the hello subsystem.
101 * @param c Configuration.
104 GCH_init (const struct GNUNET_CONFIGURATION_Handle *c)
106 GNUNET_assert (NULL == nc);
107 peerinfo = GNUNET_PEERINFO_connect (c);
108 nc = GNUNET_PEERINFO_notify (c,
116 * Shut down the hello subsystem.
123 GNUNET_PEERINFO_notify_cancel (nc);
126 if (NULL != peerinfo)
128 GNUNET_PEERINFO_disconnect (peerinfo);
140 * Get own hello message.
142 * @return Own hello message.
144 const struct GNUNET_HELLO_Message *
150 /* end of gnunet-service-cadet-new_hello.c */