sbin/hastd/proto_impl.h

   1 /*-
   2  * Copyright (c) 2009-2010 The FreeBSD Foundation
   3  * All rights reserved.
   4  *
   5  * This software was developed by Pawel Jakub Dawidek under sponsorship from
   6  * the FreeBSD Foundation.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD$
  30  */
  31
  32 #ifndef _PROTO_IMPL_H_
  33 #define _PROTO_IMPL_H_
  34
  35 #include <sys/queue.h>
  36
  37 #include <stdbool.h>    /* bool */
  38 #include <stdlib.h>     /* size_t */
  39
  40 #define __constructor   __attribute__((constructor))
  41
  42 typedef int prt_client_t(const char *, const char *, void **);
  43 typedef int prt_connect_t(void *, int);
  44 typedef int prt_connect_wait_t(void *, int);
  45 typedef int prt_server_t(const char *, void **);
  46 typedef int prt_accept_t(void *, void **);
  47 typedef int prt_wrap_t(int, bool, void **);
  48 typedef int prt_send_t(void *, const unsigned char *, size_t, int);
  49 typedef int prt_recv_t(void *, unsigned char *, size_t, int *);
  50 typedef int prt_descriptor_t(const void *);
  51 typedef bool prt_address_match_t(const void *, const char *);
  52 typedef void prt_local_address_t(const void *, char *, size_t);
  53 typedef void prt_remote_address_t(const void *, char *, size_t);
  54 typedef void prt_close_t(void *);
  55
  56 struct proto {
  57         const char              *prt_name;
  58         prt_client_t            *prt_client;
  59         prt_connect_t           *prt_connect;
  60         prt_connect_wait_t      *prt_connect_wait;
  61         prt_server_t            *prt_server;
  62         prt_accept_t            *prt_accept;
  63         prt_wrap_t              *prt_wrap;
  64         prt_send_t              *prt_send;
  65         prt_recv_t              *prt_recv;
  66         prt_descriptor_t        *prt_descriptor;
  67         prt_address_match_t     *prt_address_match;
  68         prt_local_address_t     *prt_local_address;
  69         prt_remote_address_t    *prt_remote_address;
  70         prt_close_t             *prt_close;
  71         TAILQ_ENTRY(proto)       prt_next;
  72 };
  73
  74 void proto_register(struct proto *proto, bool isdefault);
  75
  76 int proto_common_send(int sock, const unsigned char *data, size_t size, int fd);
  77 int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp);
  78
  79 #endif  /* !_PROTO_IMPL_H_ */