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4 Copyright (C) 2001-2017 GNUnet e.V.
6 GNUnet is free software; you can redistribute it and/or modify
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14 General Public License for more details.
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23 * @file cadet/gnunet-service-cadet-new_connection.h
25 * @author Bartlomiej Polot
26 * @author Christian Grothoff
28 #ifndef GNUNET_SERVICE_CADET_CONNECTION_H
29 #define GNUNET_SERVICE_CADET_CONNECTION_H
31 #include "gnunet_util_lib.h"
32 #include "gnunet-service-cadet-new.h"
33 #include "gnunet-service-cadet-new_peer.h"
37 * Is the given connection currently ready for transmission?
39 * @param cc connection to transmit on
40 * @return #GNUNET_YES if we could transmit
43 GCC_is_ready (struct CadetConnection *cc);
47 * Destroy a connection.
49 * @param cc connection to destroy
52 GCC_destroy (struct CadetConnection *cc);
56 * Create a connection to @a destination via @a path and
57 * notify @a cb whenever we are ready for more data.
59 * @param destination where to go
60 * @param path which path to take (may not be the full path)
61 * @param ready_cb function to call when ready to transmit
62 * @param ready_cb_cls closure for @a cb
64 struct CadetConnection *
65 GCC_create (struct CadetPeer *destination,
66 struct CadetPeerPath *path,
67 GNUNET_SCHEDULER_TaskCallback ready_cb,
72 * Transmit message @a msg via connection @a cc. Must only be called
73 * (once) after the connection has signalled that it is ready via the
74 * `ready_cb`. Clients can also use #GCC_is_ready() to check if the
75 * connection is right now ready for transmission.
77 * @param cc connection identification
78 * @param msg message to transmit
81 GCC_transmit (struct CadetConnection *cc,
82 const struct GNUNET_MessageHeader *msg);
86 * Obtain the path used by this connection.
88 * @param cc connection
89 * @return path to @a cc
91 struct CadetPeerPath *
92 GCC_get_path (struct CadetConnection *cc);
96 * Obtain unique ID for the connection.
98 * @param cc connection.
99 * @return unique number of the connection
101 const struct GNUNET_CADET_ConnectionTunnelIdentifier *
102 GCC_get_id (struct CadetConnection *cc);
106 * Log connection info.
108 * @param cc connection
109 * @param level Debug level to use.
112 GCC_debug (struct CadetConnection *cc,
113 enum GNUNET_ErrorType level);