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20 * @file transport/gnunet-service-transport_validation.h
21 * @brief address validation API
22 * @author Christian Grothoff
24 #ifndef GNUNET_SERVICE_TRANSPORT_VALIDATION_H
25 #define GNUNET_SERVICE_TRANSPORT_VALIDATION_H
27 #include "gnunet_statistics_service.h"
28 #include "gnunet_transport_plugin.h"
29 #include "gnunet_util_lib.h"
30 #include "gnunet_hello_lib.h"
33 * Start the validation subsystem.
35 * @param max_fds maximum number of fds to use
38 GST_validation_start (unsigned int max_fds);
42 * Stop the validation subsystem.
45 GST_validation_stop (void);
49 * Update if we are using an address for a connection actively right now.
50 * Based on this, the validation module will measure latency for the
51 * address more or less often.
53 * @param address the address that we are now using (or not)
54 * @param in_use #GNUNET_YES if we are now using the address for a connection,
55 * #GNUNET_NO if we are no longer using the address for a connection
58 GST_validation_set_address_use (const struct GNUNET_HELLO_Address *address,
63 * We've received a PING. If appropriate, generate a PONG.
65 * @param sender peer sending the PING
67 * @param sender_address address of the sender, NULL if we did not initiate
68 * @param session session we got the PING from
69 * @return #GNUNET_OK if the message was fine, #GNUNET_SYSERR on serious error
72 GST_validation_handle_ping (const struct GNUNET_PeerIdentity *sender,
73 const struct GNUNET_MessageHeader *hdr,
74 const struct GNUNET_HELLO_Address *sender_address,
75 struct GNUNET_ATS_Session *session);
79 * We've received a PONG. Check if it matches a pending PING and
80 * mark the respective address as confirmed.
82 * @param sender peer sending the PONG
84 * @return #GNUNET_OK if the message was fine, #GNUNET_SYSERR on serious error
87 GST_validation_handle_pong (const struct GNUNET_PeerIdentity *sender,
88 const struct GNUNET_MessageHeader *hdr);
92 * We've received a HELLO, check which addresses are new and trigger
95 * @param hello the HELLO we received
96 * @return #GNUNET_OK if the message was fine, #GNUNET_SYSERR on serious error
99 GST_validation_handle_hello (const struct GNUNET_MessageHeader *hello);
103 * Validate an individual address.
105 * @param address address we should try to validate
108 GST_validation_handle_address (const struct GNUNET_HELLO_Address *address);
112 * Function called for each address (or address status change) that
113 * the validation module is aware of (for the given target).
116 * @param public_key public key for the peer, never NULL
117 * @param valid_until is ZERO if we never validated the address,
118 * otherwise a time up to when we consider it (or was) valid
119 * @param validation_block is FOREVER if the address is for an unsupported plugin (from PEERINFO)
120 * is ZERO if the address is considered valid (no validation needed)
121 * otherwise a time in the future if we're currently denying re-validation
122 * @param address the address
125 (*GST_ValidationAddressCallback) (void *cls,
126 struct GNUNET_TIME_Absolute valid_until,
127 struct GNUNET_TIME_Absolute validation_block,
128 const struct GNUNET_HELLO_Address *address);
132 * Call the given function for each address for the given target.
134 * @param target peer information is requested for
135 * @param cb function to call; will not be called after this function returns
136 * @param cb_cls closure for @a cb
139 GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
140 GST_ValidationAddressCallback cb, void *cb_cls);
144 /* end of file gnunet-service-transport_validation.h */