1121934Sharti# 2121934Sharti# Copyright (c) 2001-2003 3121934Sharti# Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4121934Sharti# All rights reserved. 5121934Sharti# 6121934Sharti# Redistribution and use in source and binary forms, with or without 7121934Sharti# modification, are permitted provided that the following conditions 8121934Sharti# are met: 9121934Sharti# 1. Redistributions of source code must retain the above copyright 10121934Sharti# notice, this list of conditions and the following disclaimer. 11121934Sharti# 2. Redistributions in binary form must reproduce the above copyright 12121934Sharti# notice, this list of conditions and the following disclaimer in the 13121934Sharti# documentation and/or other materials provided with the distribution. 14121934Sharti# 15121934Sharti# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16121934Sharti# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17121934Sharti# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18121934Sharti# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19121934Sharti# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20121934Sharti# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21121934Sharti# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22121934Sharti# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23121934Sharti# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24121934Sharti# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25121934Sharti# SUCH DAMAGE. 26121934Sharti# 27121934Sharti# Author: Hartmut Brandt <harti@freebsd.org> 28121934Sharti# 29131826Sharti# $Begemot: libunimsg/netnatm/msg/genmsgc.awk,v 1.6 2004/07/08 08:22:04 brandt Exp $ 30121934Sharti# 31121934Sharti# Generate message functions. 32121934Sharti# 33121934Shartifunction begin() { 34121934Sharti} 35121934Sharti 36121934Shartifunction first_entry() { 37121934Sharti print "/* This file was created automatically" 38121934Sharti print " * Source file: " id 39121934Sharti print " */" 40121934Sharti print "" 41121934Sharti print "#include <sys/types.h>" 42121934Sharti print "#include <sys/param.h>" 43121934Sharti print "" 44121934Sharti print "#ifdef _KERNEL" 45121934Sharti print "#include <sys/libkern.h>" 46121934Sharti print "#else" 47121934Sharti print "#include <string.h>" 48121934Sharti print "#endif" 49121934Sharti print "#include <netnatm/unimsg.h>" 50121934Sharti print "#include <netnatm/msg/unistruct.h>" 51121934Sharti print "#include <netnatm/msg/unimsglib.h>" 52121934Sharti print "#include <netnatm/msg/priv.h>" 53121934Sharti print "#include <netnatm/msg/privmsg.c>" 54121934Sharti} 55121934Sharti 56121934Shartifunction end() { 57121934Sharti print "" 58121934Sharti print "const struct msgdecl *uni_msgtable[256] = {" 59121934Sharti for(i = 0; i < 256; i++) { 60121934Sharti if(decl[i] == "") { 61121934Sharti printf "\t&decl_unknown," 62121934Sharti } else { 63121934Sharti printf "\t&%s,", decl[i] 64121934Sharti } 65121934Sharti printf "\t/* 0x%02x */\n", i 66121934Sharti } 67121934Sharti print "};" 68121934Sharti} 69121934Sharti 70121934Shartifunction start_message() { 71121934Sharti} 72121934Sharti 73121934Shartifunction end_message() { 74121934Sharti gen_print() 75121934Sharti gen_check() 76121934Sharti gen_encode() 77121934Sharti gen_decode() 78121934Sharti gen_reg() 79121934Sharti} 80121934Sharti 81121934Shartifunction gen_print() { 82121934Sharti print "" 83121934Sharti print "static void" 84121934Sharti print "print_" msg "(struct uni_" msg " *msg, struct unicx *cx)" 85121934Sharti print "{" 86121934Sharti if(msgrep) { 87121934Sharti print "\tu_int i;" 88121934Sharti print "" 89121934Sharti } 90121934Sharti for(i = 0; i < cnt; i++) { 91121934Sharti ie = iename[i] 92121934Sharti uie = toupper(iename[i]) 93121934Sharti if(ierep[i]) { 94121934Sharti print "\tif(msg->" ie "_repeat.h.present & UNI_IE_PRESENT)" 95121934Sharti print "\t\tuni_print_ie_internal(UNI_IE_REPEAT, (union uni_ieall *)&msg->" ie "_repeat, cx);" 96121934Sharti } 97121934Sharti if(ienum[i] == "-") { 98121934Sharti print "\tif(msg->" ie ".h.present & UNI_IE_PRESENT)" 99121934Sharti print "\t\tuni_print_ie_internal(UNI_IE_" uie ", (union uni_ieall *)&msg->" ie ", cx);" 100121934Sharti } else { 101121934Sharti print "\tfor(i = 0; i < " ienum[i] "; i++)" 102121934Sharti print "\t\tif(msg->" ie "[i].h.present & UNI_IE_PRESENT)" 103121934Sharti print "\t\t\tuni_print_ie_internal(UNI_IE_" uie ", (union uni_ieall *)&msg->" ie "[i], cx);" 104121934Sharti } 105121934Sharti } 106121934Sharti print "}" 107121934Sharti} 108121934Sharti 109121934Shartifunction gen_check() { 110121934Sharti print "" 111121934Sharti print "static int" 112121934Sharti print "check_" msg "(struct uni_" msg " *m, struct unicx *cx)" 113121934Sharti print "{" 114121934Sharti print "\tint ret = 0;" 115121934Sharti if(msgrep) { 116121934Sharti print "\tu_int i;" 117121934Sharti } 118121934Sharti print "" 119121934Sharti for(i = 0; i < cnt; i++) { 120121934Sharti ie = iename[i] 121121934Sharti if(ierep[i]) { 122121934Sharti if(iecond[i] == "1") { 123121934Sharti print "\tret |= uni_check_ie(UNI_IE_REPEAT, (union uni_ieall *)&m->" ie "_repeat, cx);" 124121934Sharti } else { 125121934Sharti print "\tif(!(" iecond[i] "))" 126121934Sharti print "\t\tret |= IE_ISPRESENT(m->" ie "_repeat);" 127121934Sharti print "\telse" 128121934Sharti print "\t\tret |= uni_check_ie(UNI_IE_REPEAT, (union uni_ieall *)&m->" ie "_repeat, cx);" 129121934Sharti } 130121934Sharti } 131121934Sharti if(ienum[i] == "-") { 132121934Sharti if(iecond[i] == "1") { 133121934Sharti print "\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie ", cx);" 134121934Sharti } else { 135121934Sharti print "\tif(!(" iecond[i] "))" 136121934Sharti print "\t\tret |= IE_ISPRESENT(m->" ie ");" 137121934Sharti print "\telse" 138121934Sharti print "\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie ", cx);" 139121934Sharti } 140121934Sharti } else { 141121934Sharti print "\tfor(i = 0; i < " ienum[i]" ; i++) {" 142121934Sharti if(iecond[i] == "1") { 143121934Sharti print "\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie "[i], cx);" 144121934Sharti } else { 145121934Sharti print "\t\tif(!(" iecond[i] "))" 146121934Sharti print "\t\t\tret |= IE_ISPRESENT(m->" ie "[i]);" 147121934Sharti print "\t\telse" 148121934Sharti print "\t\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie "[i], cx);" 149121934Sharti } 150121934Sharti print "\t}" 151121934Sharti } 152121934Sharti } 153121934Sharti print "" 154121934Sharti print "\treturn ret;" 155121934Sharti print "}" 156121934Sharti} 157121934Sharti 158121934Shartifunction gen_encode() { 159121934Sharti print "" 160121934Sharti print "static int" 161121934Sharti print "encode_" msg "(struct uni_msg *msg, struct uni_" msg " *p, struct unicx *cx)" 162121934Sharti print "{" 163121934Sharti print "\tu_int mlen;" 164121934Sharti if(msgrep) { 165121934Sharti print "\tu_int i;" 166121934Sharti } 167121934Sharti print "" 168121934Sharti print "\tif(uni_encode_msg_hdr(msg, &p->hdr, UNI_" toupper(msg) ", cx, &mlen))" 169121934Sharti print "\t\treturn (-2);" 170121934Sharti print "" 171121934Sharti for(i = 0; i < cnt; i++) { 172121934Sharti ie = iename[i] 173121934Sharti if(ierep[i]) { 174121934Sharti print "\tif((p->" ie "_repeat.h.present & UNI_IE_PRESENT) &&" 175121934Sharti print "\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie "_repeat, cx))" 176121934Sharti print "\t\treturn (0x10000000 + UNI_IE_" toupper(ie) ");" 177121934Sharti } 178121934Sharti if(ienum[i] == "-") { 179121934Sharti print "\tif((p->" ie ".h.present & UNI_IE_PRESENT) &&" 180121934Sharti print "\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie ", cx))" 181121934Sharti print "\t\treturn (UNI_IE_" toupper(ie) ");" 182121934Sharti } else { 183121934Sharti print "\tfor(i = 0; i < " ienum[i] "; i++)" 184121934Sharti print "\t\tif((p->" ie "[i].h.present & UNI_IE_PRESENT) &&" 185121934Sharti print "\t\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie "[i], cx))" 186121934Sharti print "\t\treturn ((i << 16) + UNI_IE_" toupper(ie) ");" 187121934Sharti } 188121934Sharti } 189121934Sharti print "" 190121934Sharti print "\tmsg->b_buf[mlen+0] = ((msg->b_wptr-msg->b_rptr)-mlen-2) >> 8;" 191121934Sharti print "\tmsg->b_buf[mlen+1] = ((msg->b_wptr-msg->b_rptr)-mlen-2) >> 0;" 192121934Sharti print "" 193121934Sharti print "\treturn (0);" 194121934Sharti print "}" 195121934Sharti} 196121934Sharti 197121934Shartifunction gen_decode() { 198121934Sharti print "" 199121934Sharti print "static int" 200121934Sharti print "decode_" msg "(struct uni_" msg " *out, struct uni_msg *msg," 201121934Sharti print " enum uni_ietype ie, struct uni_iehdr *hdr, u_int ielen," 202121934Sharti print " struct unicx *cx)" 203121934Sharti print "{" 204121934Sharti if (msgrep) { 205121934Sharti print " u_int i;" 206121934Sharti print "" 207121934Sharti } 208121934Sharti print " switch (ie) {" 209121934Sharti 210121934Sharti rep=0 211121934Sharti for (i = 0; i < cnt; i++) { 212121934Sharti ie = iename[i] 213121934Sharti print "" 214121934Sharti print " case UNI_IE_" toupper(ie) ":" 215121934Sharti if (iecond[i] != "1") { 216121934Sharti print " if (!(" iecond[i] "))" 217121934Sharti print " return (DEC_ILL);" 218121934Sharti } 219121934Sharti if (ierep[i]) { 220121934Sharti rep=1 221121934Sharti print " if (IE_ISPRESENT(cx->repeat))" 222121934Sharti print " out->" ie "_repeat = cx->repeat;" 223121934Sharti } 224121934Sharti if (ienum[i] == "-") { 225121934Sharti print " out->" ie ".h = *hdr;" 226121934Sharti print " if (hdr->present & UNI_IE_ERROR)" 227121934Sharti print " return (DEC_ERR);" 228121934Sharti print " if(uni_decode_ie_body(UNI_IE_"toupper(ie)", (union uni_ieall *)&out->"ie", msg, ielen, cx))" 229121934Sharti print " return (DEC_ERR);" 230121934Sharti 231121934Sharti } else { 232121934Sharti print " for(i = 0; i < " ienum[i] "; i++)" 233121934Sharti print " if (!IE_ISPRESENT(out->" ie "[i])) {" 234121934Sharti print " out->" ie "[i].h = *hdr;" 235121934Sharti print " if (hdr->present & UNI_IE_ERROR)" 236121934Sharti print " return (DEC_ERR);" 237121934Sharti print " if(uni_decode_ie_body(UNI_IE_"toupper(ie)", (union uni_ieall *)&out->"ie"[i], msg, ielen, cx))" 238121934Sharti print " return (DEC_ERR);" 239121934Sharti print " break;" 240121934Sharti print " }" 241121934Sharti } 242121934Sharti print " break;" 243121934Sharti } 244121934Sharti if(rep) { 245121934Sharti print "" 246121934Sharti print " case UNI_IE_REPEAT:" 247121934Sharti print " cx->repeat.h = *hdr;" 248121934Sharti print " if (hdr->present & UNI_IE_ERROR)" 249121934Sharti print " return (DEC_ERR);" 250121934Sharti print " if (uni_decode_ie_body(UNI_IE_REPEAT, (union uni_ieall *)&cx->repeat, msg, ielen, cx))" 251121934Sharti print " return (DEC_ERR);" 252121934Sharti print " break;" 253121934Sharti } 254121934Sharti 255121934Sharti print "" 256121934Sharti print " default:" 257121934Sharti print " return (DEC_ILL);" 258121934Sharti print " }" 259121934Sharti print " return (DEC_OK);" 260121934Sharti print "}" 261121934Sharti} 262121934Sharti 263121934Shartifunction gen_reg() { 264121934Sharti print "" 265121934Sharti print "static const struct msgdecl decl_" msg " = {" 266121934Sharti print "\t0," 267121934Sharti print "\t\"" msg "\"," 268121934Sharti print "\t(uni_msg_print_f)print_" msg "," 269121934Sharti print "\t(uni_msg_check_f)check_" msg "," 270121934Sharti print "\t(uni_msg_encode_f)encode_" msg "," 271121934Sharti print "\t(uni_msg_decode_f)decode_" msg 272121934Sharti print "};" 273121934Sharti decl[code] = "decl_" msg 274121934Sharti} 275