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 <[email protected]> 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 169