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3 Copyright (C) 2014, 2017 GNUnet e.V.
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7 by the Free Software Foundation, either version 3 of the License,
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * @file cadet/gnunet-service-cadet_hello.c
17 * @brief spread knowledge about how to contact other peers from PEERINFO
18 * @author Bartlomiej Polot
19 * @author Christian Grothoff
22 * - is most of this necessary/helpful?
23 * - should we not simply restrict this to OUR hello?
26 #include "gnunet_util_lib.h"
28 #include "gnunet_statistics_service.h"
29 #include "gnunet_peerinfo_service.h"
30 #include "cadet_protocol.h"
31 #include "gnunet-service-cadet.h"
32 #include "gnunet-service-cadet_dht.h"
33 #include "gnunet-service-cadet_hello.h"
34 #include "gnunet-service-cadet_peer.h"
36 #define LOG(level, ...) GNUNET_log_from(level,"cadet-hll",__VA_ARGS__)
39 * Hello message of local peer.
41 static struct GNUNET_HELLO_Message *mine;
44 * Handle to peerinfo service.
46 static struct GNUNET_PEERINFO_Handle *peerinfo;
51 static struct GNUNET_PEERINFO_NotifyContext *nc;
55 * Process each hello message received from peerinfo.
57 * @param cls Closure (unused).
58 * @param peer Identity of the peer.
59 * @param hello Hello of the peer.
60 * @param err_msg Error message.
64 const struct GNUNET_PeerIdentity *id,
65 const struct GNUNET_HELLO_Message *hello,
68 struct CadetPeer *peer;
75 sizeof (struct GNUNET_PeerIdentity)))
77 GNUNET_free_non_null (mine);
78 mine = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (&hello->header);
83 LOG (GNUNET_ERROR_TYPE_DEBUG,
84 "Hello for %s (%d bytes), expires on %s\n",
86 GNUNET_HELLO_size (hello),
87 GNUNET_STRINGS_absolute_time_to_string (GNUNET_HELLO_get_last_expiration (hello)));
96 * Initialize the hello subsystem.
98 * @param c Configuration.
101 GCH_init (const struct GNUNET_CONFIGURATION_Handle *c)
103 GNUNET_assert (NULL == nc);
104 peerinfo = GNUNET_PEERINFO_connect (c);
105 nc = GNUNET_PEERINFO_notify (c,
113 * Shut down the hello subsystem.
120 GNUNET_PEERINFO_notify_cancel (nc);
123 if (NULL != peerinfo)
125 GNUNET_PEERINFO_disconnect (peerinfo);
137 * Get own hello message.
139 * @return Own hello message.
141 const struct GNUNET_HELLO_Message *
147 /* end of gnunet-service-cadet-new_hello.c */