include/snmp_client.h

   1 /*
   2  * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_SNMP_CLIENT_H
  10 #define SQUID_SNMP_CLIENT_H
  11
  12 /***********************************************************
  13     Copyright 1988, 1989 by Carnegie Mellon University
  14
  15                       All Rights Reserved
  16
  17 Permission to use, copy, modify, and distribute this software and its
  18 documentation for any purpose and without fee is hereby granted,
  19 provided that the above copyright notice appear in all copies and that
  20 both that copyright notice and this permission notice appear in
  21 supporting documentation, and that the name of CMU not be
  22 used in advertising or publicity pertaining to distribution of the
  23 software without specific, written prior permission.
  24
  25 CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  26 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  27 CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  28 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  29 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  30 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  31 SOFTWARE.
  32 ******************************************************************/
  33 struct synch_state {
  34     int waiting;
  35     int status;
  36     /* status codes */
  37 #define STAT_SUCCESS    0
  38 #define STAT_ERROR  1
  39 #define STAT_TIMEOUT 2
  40     int reqid;
  41     struct snmp_pdu *pdu;
  42 };
  43
  44 #ifdef __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 extern struct synch_state snmp_synch_state;
  49
  50 /* Synchronize Input with Agent */
  51 int snmp_synch_input(int, struct snmp_session *, int,
  52                      struct snmp_pdu *, void *);
  53
  54 /* Synchronize Response with Agent */
  55 int snmp_synch_response(struct snmp_session *, struct snmp_pdu *,
  56                         struct snmp_pdu **);
  57
  58 /* Synchronize Setup */
  59 void snmp_synch_setup(struct snmp_session *);
  60
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64
  65 #endif              /* SQUID_SNMP_CLIENT_H */
  66