usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.h

   1 /*
   2  * Copyright (c) 2001-2003
   3  *      Fraunhofer Institute for Open Communication Systems (FhG Fokus).
   4  *      All rights reserved.
   5  *
   6  * Author: Harti Brandt <harti@freebsd.org>
   7  *
   8  * Redistribution of this software and documentation and use in source and
   9  * binary forms, with or without modification, are permitted provided that
  10  * the following conditions are met:
  11  *
  12  * 1. Redistributions of source code or documentation must retain the above
  13  *    copyright 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 AND DOCUMENTATION IS PROVIDED BY FRAUNHOFER FOKUS
  19  * AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  20  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  21  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  22  * FRAUNHOFER FOKUS OR ITS CONTRIBUTORS  BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  25  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  26  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * $FreeBSD$
  31  *
  32  * Netgraph interface for SNMPd. Exported stuff.
  33  */
  34 #ifndef SNMP_NETGRAPH_H_
  35 #define SNMP_NETGRAPH_H_
  36
  37 #include <netgraph/ng_message.h>
  38
  39 extern ng_ID_t  snmp_node;
  40 extern u_char *snmp_nodename;
  41
  42 typedef void ng_cookie_f(const struct ng_mesg *, const char *, ng_ID_t, void *);
  43 typedef void ng_hook_f(const char *, const u_char *, size_t, void *);
  44
  45 void *ng_register_cookie(const struct lmodule *, u_int32_t cookie,
  46     ng_ID_t, ng_cookie_f *, void *);
  47 void ng_unregister_cookie(void *reg);
  48
  49 void *ng_register_hook(const struct lmodule *, const char *,
  50     ng_hook_f *, void *);
  51 void ng_unregister_hook(void *reg);
  52
  53 void ng_unregister_module(const struct lmodule *);
  54
  55 int ng_output(const char *path, u_int cookie, u_int opcode,
  56     const void *arg, size_t arglen);
  57 int ng_output_node(const char *node, u_int cookie, u_int opcode,
  58     const void *arg, size_t arglen);
  59 int ng_output_id(ng_ID_t node, u_int cookie, u_int opcode,
  60     const void *arg, size_t arglen);
  61
  62 struct ng_mesg *ng_dialog(const char *path, u_int cookie, u_int opcode,
  63     const void *arg, size_t arglen);
  64 struct ng_mesg *ng_dialog_node(const char *node, u_int cookie, u_int opcode,
  65     const void *arg, size_t arglen);
  66 struct ng_mesg *ng_dialog_id(ng_ID_t id, u_int cookie, u_int opcode,
  67     const void *arg, size_t arglen);
  68
  69 int ng_send_data(const char *hook, const void *sndbuf, size_t sndlen);
  70
  71 ng_ID_t ng_mkpeer_id(ng_ID_t, const char *name, const char *type,
  72     const char *hook, const char *peerhook);
  73 int ng_connect_node(const char *node, const char *ourhook, const char *peerhook);
  74 int ng_connect_id(ng_ID_t id, const char *ourhook, const char *peerhook);
  75 int ng_connect2_id(ng_ID_t id, ng_ID_t peer, const char *ourhook,
  76     const char *peerhook);
  77 int ng_connect2_tee_id(ng_ID_t id, ng_ID_t peer, const char *ourhook,
  78     const char *peerhook);
  79 int ng_rmhook(const char *ourhook);
  80 int ng_rmhook_id(ng_ID_t, const char *);
  81 int ng_rmhook_tee_id(ng_ID_t, const char *);
  82 int ng_shutdown_id(ng_ID_t);
  83
  84 ng_ID_t ng_next_node_id(ng_ID_t node, const char *type, const char *hook);
  85 ng_ID_t ng_node_id(const char *path);
  86 ng_ID_t ng_node_id_node(const char *node);
  87 ng_ID_t ng_node_name(ng_ID_t, char *);
  88 ng_ID_t ng_node_type(ng_ID_t, char *);
  89 int ng_peer_hook_id(ng_ID_t, const char *, char *);
  90
  91 #endif