2 This file is part of GNUnet.
3 (C) 2010,2011 Christian Grothoff (and other contributing authors)
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13 General Public License for more details.
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22 * @file transport/gnunet-service-transport_validation.h
23 * @brief address validation API
24 * @author Christian Grothoff
26 #ifndef GNUNET_SERVICE_TRANSPORT_VALIDATION_H
27 #define GNUNET_SERVICE_TRANSPORT_VALIDATION_H
29 #include "gnunet_statistics_service.h"
30 #include "gnunet_transport_plugin.h"
31 #include "gnunet_util_lib.h"
32 #include "gnunet_hello_lib.h"
36 * Start the validation subsystem.
39 GST_validation_start (void);
43 * Stop the validation subsystem.
46 GST_validation_stop (void);
50 * Update if we are using an address for a connection actively right now.
51 * Based on this, the validation module will measure latency for the
52 * address more or less often.
54 * @param address the address
55 * @param session the session
56 * @param in_use GNUNET_YES if we are now using the address for a connection,
57 * GNUNET_NO if we are no longer using the address for a connection
58 * @param line line of caller just for DEBUGGING!
61 GST_validation_set_address_use (const struct GNUNET_HELLO_Address *address,
62 struct Session *session,
68 * Query validation about the latest observed latency on a given
72 * @param address the address
73 * @param session session
74 * @return observed latency of the address, FOREVER if the address was
75 * never successfully validated
77 struct GNUNET_TIME_Relative
78 GST_validation_get_address_latency (const struct GNUNET_PeerIdentity *sender,
79 const struct GNUNET_HELLO_Address *address,
80 struct Session *session);
84 * We've received a PING. If appropriate, generate a PONG.
86 * @param sender peer sending the PING
88 * @param sender_address address of the sender, NULL if we did not initiate
89 * @param session session we got the PING from
92 GST_validation_handle_ping (const struct GNUNET_PeerIdentity *sender,
93 const struct GNUNET_MessageHeader *hdr,
94 const struct GNUNET_HELLO_Address *sender_address,
95 struct Session *session);
99 * We've received a PONG. Check if it matches a pending PING and
100 * mark the respective address as confirmed.
102 * @param sender peer sending the PONG
103 * @param hdr the PONG
106 GST_validation_handle_pong (const struct GNUNET_PeerIdentity *sender,
107 const struct GNUNET_MessageHeader *hdr);
111 * We've received a HELLO, check which addresses are new and trigger
114 * @param hello the HELLO we received
117 GST_validation_handle_hello (const struct GNUNET_MessageHeader *hello);
121 * Function called for each address (or address status change) that
122 * the validation module is aware of (for the given target).
125 * @param public_key public key for the peer, never NULL
126 * @param valid_until is ZERO if we never validated the address,
127 * otherwise a time up to when we consider it (or was) valid
128 * @param validation_block is FOREVER if the address is for an unsupported plugin (from PEERINFO)
129 * is ZERO if the address is considered valid (no validation needed)
130 * otherwise a time in the future if we're currently denying re-validation
131 * @param address the address
133 typedef void (*GST_ValidationAddressCallback) (void *cls,
135 GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded
137 struct GNUNET_TIME_Absolute
139 struct GNUNET_TIME_Absolute
141 const struct GNUNET_HELLO_Address
146 * Call the given function for each address for the given target.
148 * @param target peer information is requested for
149 * @param cb function to call; will not be called after this function returns
150 * @param cb_cls closure for 'cb'
153 GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
154 GST_ValidationAddressCallback cb, void *cb_cls);
158 /* end of file gnunet-service-transport_validation.h */