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52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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/*
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* BIRD -- The Resource Public Key Infrastructure (RPKI) to Router Protocol
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*
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* (c) 2015 CZ.NIC
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*
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* This file was a part of RTRlib: http://rpki.realmv6.org/
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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/*
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* The RPKI transport sockets implement the communication channel
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* (e.g., SSH, TCP, TCP-AO) between an RPKI server and client.
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*
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* Before using the transport socket, a tr_socket must be
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* initialized based on a protocol-dependent init function (e.g.,
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* rpki_tr_tcp_init()).
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*
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* The rpki_tr_* functions call the corresponding function pointers, which are
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* passed in the rpki_tr_sock struct, and forward the remaining arguments.
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*/
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#ifndef _BIRD_RPKI_TRANSPORT_H_
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#define _BIRD_RPKI_TRANSPORT_H_
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#include <time.h>
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/* The return values for tr_ functions */
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enum tr_rtvals {
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TR_SUCCESS = 0, /* Operation was successfull */
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TR_ERROR = -1, /* Error occured */
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TR_WOULDBLOCK = -2, /* No data is available on the socket */
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TR_INTR = -3, /* Call was interrupted from a signal */
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TR_CLOSED = -4 /* Connection closed */
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};
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/* A transport socket datastructure */
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struct rpki_tr_sock {
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void *data; /* Technology specific data */
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sock *sk; /* Standard BIRD socket */
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struct rpki_cache *cache; /* Cache server */
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int (*open_fp)(struct rpki_tr_sock *); /* Pointer to a function that establishes the socket connection */
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void (*close_fp)(struct rpki_tr_sock *); /* Pointer to a function that close and frees all memory allocated with this socket */
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const char *(*ident_fp)(struct rpki_tr_sock *); /* Pointer to a function that returns an identifier for the socket endpoint */
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};
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int rpki_tr_open(struct rpki_tr_sock *tr);
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void rpki_tr_close(struct rpki_tr_sock *tr);
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const char *rpki_tr_ident(struct rpki_tr_sock *tr);
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#endif
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