unimsglib.h

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    1 /*
    2  * Copyright (c) 1996-2003
    3  *      Fraunhofer Institute for Open Communication Systems (FhG Fokus).
    4  *      All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * Author: Hartmut Brandt <harti@freebsd.org>
   28  *
   29  * $Begemot: libunimsg/netnatm/msg/unimsglib.h,v 1.6 2004/07/08 08:22:07 brandt Exp $
   30  */
   31 #ifndef _NETNATM_MSG_UNIMSGLIB_H_
   32 #define _NETNATM_MSG_UNIMSGLIB_H_
   33 
   34 #include <netnatm/msg/uni_config.h>
   35 
   36 struct uni_msg;
   37 
   38 enum uni_ierr_type {
   39         UNI_IERR_UNK,   /* unknown IE */
   40         UNI_IERR_LEN,   /* length error */
   41         UNI_IERR_BAD,   /* content error */
   42         UNI_IERR_ACC,   /* access element content error */
   43         UNI_IERR_MIS,   /* mandatory IE missing (not used here) */
   44 };
   45 
   46 struct uni_ierr {
   47         enum uni_ierr_type      err;    /* what error */
   48         enum uni_ieact          act;    /* the action indicator */
   49         u_int                   ie:8;   /* the ie type */
   50         u_int                   man:1;  /* mandatory flag */
   51         u_int                   epref:1;/* Q.2971 9.5.3.2.1 low-pri epref */
   52 };
   53 
   54 /*
   55  * Context buffer. Needed to reduce number of arguments to routines.
   56  */
   57 struct unicx {
   58         /*
   59          * globals for error handling
   60          */
   61         u_int           errcnt;         /* number of bad IEs */
   62         struct uni_ierr err[UNI_MAX_ERRIE]; /* the errors */
   63 
   64         int             q2932;          /* Enable GFP */
   65         int             pnni;           /* Enable PNNI */
   66 
   67         int             git_hard;       /* do hard check on GIT IE */
   68         int             bearer_hard;    /* do hard check on BEARER IE */
   69         int             cause_hard;     /* do hard check on cause */
   70 
   71         int             multiline;      /* printing mode */
   72         u_int           tabsiz;         /* tabulation size */
   73 
   74         /*
   75          * Internal context of library -- don't touch
   76          */
   77         struct uni_ie_repeat    repeat; /* repeat IE during decoding */
   78         enum uni_ietype         ielast; /* last IE seen for repeat handling */
   79 
   80         const char              *prefix[20];
   81         u_int                   nprefix;
   82         int                     doindent;
   83         char                    *buf;
   84         size_t                  bufsiz;
   85         u_int                   indent;         /* indentation */
   86         int                     dont_init;
   87 };
   88 
   89 /*
   90  * Functions for all messages
   91  */
   92 void uni_print_cref(char *, size_t, const struct uni_cref *, struct unicx *);
   93 void uni_print_msghdr(char *, size_t, const struct uni_msghdr *, struct unicx *);
   94 void uni_print(char *, size_t, const struct uni_all *, struct unicx *);
   95 void uni_print_msg(char *, size_t, u_int _mtype, const union uni_msgall *,
   96     struct unicx *);
   97 int uni_encode(struct uni_msg *, struct uni_all *, struct unicx *);
   98 int uni_decode(struct uni_msg *, struct uni_all *, struct unicx *);
   99 
  100 int uni_decode_head(struct uni_msg *, struct uni_all *, struct unicx *);
  101 int uni_decode_body(struct uni_msg *, struct uni_all *, struct unicx *);
  102 
  103 int uni_encode_msg_hdr(struct uni_msg *, struct uni_msghdr *, enum uni_msgtype,
  104     struct unicx *, int *);
  105 
  106 
  107 /*
  108  * Functions for all information elements
  109  */
  110 void uni_print_ie(char *, size_t, enum uni_ietype, const union uni_ieall *,
  111     struct unicx *);
  112 int uni_check_ie(enum uni_ietype, union uni_ieall *, struct unicx *);
  113 int uni_encode_ie(enum uni_ietype, struct uni_msg *, union uni_ieall *,
  114     struct unicx *);
  115 int uni_decode_ie_hdr(enum uni_ietype *, struct uni_iehdr *, struct uni_msg *,
  116     struct unicx *, u_int *);
  117 int uni_encode_ie_hdr(struct uni_msg *, enum uni_ietype, struct uni_iehdr *,
  118     u_int, struct unicx *);
  119 int uni_decode_ie_body(enum uni_ietype, union uni_ieall *, struct uni_msg *,
  120     u_int, struct unicx *);
  121 
  122 
  123 /*
  124  * Context handling
  125  */
  126 void uni_initcx(struct unicx *);
  127 void uni_print_cx(char *, size_t, struct unicx *);
  128 
  129 #define UNI_SAVE_IERR(CX, IETYPE, ACT, ERRCODE)                         \
  130         (((CX)->errcnt < UNI_MAX_ERRIE) ?                               \
  131          ((CX)->err[(CX)->errcnt].ie = (IETYPE),                        \
  132           (CX)->err[(CX)->errcnt].act = (ACT),                          \
  133           (CX)->err[(CX)->errcnt].err = (ERRCODE),                      \
  134           (CX)->err[(CX)->errcnt].man = 0,                              \
  135           (CX)->errcnt++,                                               \
  136           1) : 0)
  137 
  138 /*
  139  * Traffic classification
  140  */
  141 enum uni_traffic_class {
  142         UNI_TRAFFIC_CBR1,
  143         UNI_TRAFFIC_CBR2,
  144         UNI_TRAFFIC_CBR3,
  145         UNI_TRAFFIC_rtVBR1,
  146         UNI_TRAFFIC_rtVBR2,
  147         UNI_TRAFFIC_rtVBR3,
  148         UNI_TRAFFIC_rtVBR4,
  149         UNI_TRAFFIC_rtVBR5,
  150         UNI_TRAFFIC_rtVBR6,
  151         UNI_TRAFFIC_nrtVBR1,
  152         UNI_TRAFFIC_nrtVBR2,
  153         UNI_TRAFFIC_nrtVBR3,
  154         UNI_TRAFFIC_nrtVBR4,
  155         UNI_TRAFFIC_nrtVBR5,
  156         UNI_TRAFFIC_nrtVBR6,
  157         UNI_TRAFFIC_ABR,
  158         UNI_TRAFFIC_UBR1,
  159         UNI_TRAFFIC_UBR2,
  160 };
  161 
  162 /* classify traffic */
  163 int uni_classify_traffic(const struct uni_ie_bearer *,
  164     const struct uni_ie_traffic *,
  165     enum uni_traffic_class *, enum uni_traffic_class *,
  166     char *, size_t);
  167 
  168 #endif

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sys/contrib/ngatm/netnatm/msg/unimsglib.h