freebsd-dev/sys/contrib/ngatm/netnatm/msg/unimsglib.h
2004-07-08 16:39:03 +00:00

169 lines
5.3 KiB
C

/*
* Copyright (c) 1996-2003
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/netnatm/msg/unimsglib.h,v 1.6 2004/07/08 08:22:07 brandt Exp $
*/
#ifndef _NETNATM_MSG_UNIMSGLIB_H_
#define _NETNATM_MSG_UNIMSGLIB_H_
#include <netnatm/msg/uni_config.h>
struct uni_msg;
enum uni_ierr_type {
UNI_IERR_UNK, /* unknown IE */
UNI_IERR_LEN, /* length error */
UNI_IERR_BAD, /* content error */
UNI_IERR_ACC, /* access element content error */
UNI_IERR_MIS, /* mandatory IE missing (not used here) */
};
struct uni_ierr {
enum uni_ierr_type err; /* what error */
enum uni_ieact act; /* the action indicator */
u_int ie:8; /* the ie type */
u_int man:1; /* mandatory flag */
u_int epref:1;/* Q.2971 9.5.3.2.1 low-pri epref */
};
/*
* Context buffer. Needed to reduce number of arguments to routines.
*/
struct unicx {
/*
* globals for error handling
*/
u_int errcnt; /* number of bad IEs */
struct uni_ierr err[UNI_MAX_ERRIE]; /* the errors */
int q2932; /* Enable GFP */
int pnni; /* Enable PNNI */
int git_hard; /* do hard check on GIT IE */
int bearer_hard; /* do hard check on BEARER IE */
int cause_hard; /* do hard check on cause */
int multiline; /* printing mode */
u_int tabsiz; /* tabulation size */
/*
* Internal context of library -- don't touch
*/
struct uni_ie_repeat repeat; /* repeat IE during decoding */
enum uni_ietype ielast; /* last IE seen for repeat handling */
const char *prefix[20];
u_int nprefix;
int doindent;
char *buf;
size_t bufsiz;
u_int indent; /* indentation */
int dont_init;
};
/*
* Functions for all messages
*/
void uni_print_cref(char *, size_t, const struct uni_cref *, struct unicx *);
void uni_print_msghdr(char *, size_t, const struct uni_msghdr *, struct unicx *);
void uni_print(char *, size_t, const struct uni_all *, struct unicx *);
void uni_print_msg(char *, size_t, u_int _mtype, const union uni_msgall *,
struct unicx *);
int uni_encode(struct uni_msg *, struct uni_all *, struct unicx *);
int uni_decode(struct uni_msg *, struct uni_all *, struct unicx *);
int uni_decode_head(struct uni_msg *, struct uni_all *, struct unicx *);
int uni_decode_body(struct uni_msg *, struct uni_all *, struct unicx *);
int uni_encode_msg_hdr(struct uni_msg *, struct uni_msghdr *, enum uni_msgtype,
struct unicx *, int *);
/*
* Functions for all information elements
*/
void uni_print_ie(char *, size_t, enum uni_ietype, const union uni_ieall *,
struct unicx *);
int uni_check_ie(enum uni_ietype, union uni_ieall *, struct unicx *);
int uni_encode_ie(enum uni_ietype, struct uni_msg *, union uni_ieall *,
struct unicx *);
int uni_decode_ie_hdr(enum uni_ietype *, struct uni_iehdr *, struct uni_msg *,
struct unicx *, u_int *);
int uni_encode_ie_hdr(struct uni_msg *, enum uni_ietype, struct uni_iehdr *,
u_int, struct unicx *);
int uni_decode_ie_body(enum uni_ietype, union uni_ieall *, struct uni_msg *,
u_int, struct unicx *);
/*
* Context handling
*/
void uni_initcx(struct unicx *);
void uni_print_cx(char *, size_t, struct unicx *);
#define UNI_SAVE_IERR(CX, IETYPE, ACT, ERRCODE) \
(((CX)->errcnt < UNI_MAX_ERRIE) ? \
((CX)->err[(CX)->errcnt].ie = (IETYPE), \
(CX)->err[(CX)->errcnt].act = (ACT), \
(CX)->err[(CX)->errcnt].err = (ERRCODE), \
(CX)->err[(CX)->errcnt].man = 0, \
(CX)->errcnt++, \
1) : 0)
/*
* Traffic classification
*/
enum uni_traffic_class {
UNI_TRAFFIC_CBR1,
UNI_TRAFFIC_CBR2,
UNI_TRAFFIC_CBR3,
UNI_TRAFFIC_rtVBR1,
UNI_TRAFFIC_rtVBR2,
UNI_TRAFFIC_rtVBR3,
UNI_TRAFFIC_rtVBR4,
UNI_TRAFFIC_rtVBR5,
UNI_TRAFFIC_rtVBR6,
UNI_TRAFFIC_nrtVBR1,
UNI_TRAFFIC_nrtVBR2,
UNI_TRAFFIC_nrtVBR3,
UNI_TRAFFIC_nrtVBR4,
UNI_TRAFFIC_nrtVBR5,
UNI_TRAFFIC_nrtVBR6,
UNI_TRAFFIC_ABR,
UNI_TRAFFIC_UBR1,
UNI_TRAFFIC_UBR2,
};
/* classify traffic */
int uni_classify_traffic(const struct uni_ie_bearer *,
const struct uni_ie_traffic *,
enum uni_traffic_class *, enum uni_traffic_class *,
char *, size_t);
#endif