lib/libcasper/libcasper/libcasper_impl.h

   1 /*-
   2  * Copyright (c) 2013 The FreeBSD Foundation
   3  * Copyright (c) 2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
   4  * All rights reserved.
   5  *
   6  * This software was developed by Pawel Jakub Dawidek under sponsorship from
   7  * the FreeBSD Foundation.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * $FreeBSD$
  31  */
  32
  33 #ifndef _LIBCASPER_IMPL_H_
  34 #define _LIBCASPER_IMPL_H_
  35
  36 #include <stdbool.h>
  37
  38 #include "libcasper.h"
  39 #include "libcasper_service.h"
  40
  41 struct service;
  42 struct service_connection;
  43
  44 bool fd_is_valid(int fd);
  45
  46 /* Private service functions. */
  47 struct service  *service_alloc(const char *name,
  48                     service_limit_func_t *limitfunc,
  49                     service_command_func_t *commandfunc, uint64_t flags);
  50 void             service_free(struct service *service);
  51 void             service_message(struct service *service,
  52                     struct service_connection *sconn);
  53 void             service_start(struct service *service, int sock, int procfd);
  54 const char      *service_name(struct service *service);
  55
  56 /* Private service connection functions. */
  57 struct service_connection       *service_connection_add(struct service *service,
  58                                     int sock, const nvlist_t *limits);
  59 void                             service_connection_remove(
  60                                     struct service *service,
  61                                     struct service_connection *sconn);
  62 int                              service_connection_clone(
  63                                     struct service *service,
  64                                     struct service_connection *sconn);
  65 struct service_connection       *service_connection_first(
  66                                     struct service *service);
  67 struct service_connection       *service_connection_next(
  68                                     struct service_connection *sconn);
  69 cap_channel_t                   *service_connection_get_chan(
  70                                     const struct service_connection *sconn);
  71 int                              service_connection_get_sock(
  72                                     const struct service_connection *sconn);
  73 const nvlist_t                  *service_connection_get_limits(
  74                                     const struct service_connection *sconn);
  75 void                             service_connection_set_limits(
  76                                     struct service_connection *sconn,
  77                                     nvlist_t *limits);
  78
  79 /* Private libcasper functions. */
  80 void    casper_main_loop(int fd);
  81
  82 #endif  /* !_LIBCASPER_IMPL_H_ */