2 This file is part of GNUnet.
3 (C) 2010,2011 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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"
35 * Start the validation subsystem.
38 GST_validation_start (void);
42 * Stop the validation subsystem.
45 GST_validation_stop (void);
49 * We've received a PING. If appropriate, generate a PONG.
51 * @param sender peer sending the PING
53 * @param plugin_name name of plugin that received the PING
54 * @param session session we got the PING from
55 * @param sender_address address of the sender as known to the plugin, NULL
56 * if we did not initiate the connection
57 * @param sender_address_len number of bytes in sender_address
60 GST_validation_handle_ping (const struct GNUNET_PeerIdentity *sender,
61 const struct GNUNET_MessageHeader *hdr,
62 const char *plugin_name, struct Session *session,
63 const void *sender_address,
64 size_t sender_address_len);
68 * We've received a PONG. Check if it matches a pending PING and
69 * mark the respective address as confirmed.
71 * @param sender peer sending the PONG
75 GST_validation_handle_pong (const struct GNUNET_PeerIdentity *sender,
76 const struct GNUNET_MessageHeader *hdr);
80 * We've received a HELLO, check which addresses are new and trigger
83 * @param hello the HELLO we received
86 GST_validation_handle_hello (const struct GNUNET_MessageHeader *hello);
90 * Function called for each address (or address status change) that
91 * the validation module is aware of (for the given target).
94 * @param public_key public key for the peer, never NULL
95 * @param target peer this change is about, never NULL
96 * @param valid_until is ZERO if we never validated the address,
97 * otherwise a time up to when we consider it (or was) valid
98 * @param validation_block is FOREVER if the address is for an unsupported plugin (from PEERINFO)
99 * is ZERO if the address is considered valid (no validation needed)
100 * otherwise a time in the future if we're currently denying re-validation
101 * @param plugin_name name of the plugin
102 * @param plugin_address binary address
103 * @param plugin_address_len length of address
105 typedef void (*GST_ValidationAddressCallback) (void *cls,
107 GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded
109 const struct GNUNET_PeerIdentity
111 struct GNUNET_TIME_Absolute
113 struct GNUNET_TIME_Absolute
115 const char *plugin_name,
116 const void *plugin_address,
117 size_t plugin_address_len);
121 * Call the given function for each address for the given target.
123 * @param target peer information is requested for
124 * @param cb function to call; will not be called after this function returns
125 * @param cb_cls closure for 'cb'
128 GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
129 GST_ValidationAddressCallback cb, void *cb_cls);
133 /* end of file gnunet-service-transport_validation.h */