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+#
+# Copyright (c) 2001-2003
+# 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/atm/msg/genmsgc.awk,v 1.3 2003/09/19 11:58:15 hbb Exp $
+#
+# Generate message functions.
+#
+function begin() {
+}
+
+function first_entry() {
+ print "/* This file was created automatically"
+ print " * Source file: " id
+ print " */"
+ print ""
+ print "#include <sys/types.h>"
+ print "#include <sys/param.h>"
+ print ""
+ print "#ifdef _KERNEL"
+ print "#include <sys/libkern.h>"
+ print "#else"
+ print "#include <string.h>"
+ print "#endif"
+ print "#include <netnatm/unimsg.h>"
+ print "#include <netnatm/msg/unistruct.h>"
+ print "#include <netnatm/msg/unimsglib.h>"
+ print "#include <netnatm/msg/priv.h>"
+ print "#include <netnatm/msg/privmsg.c>"
+}
+
+function end() {
+ print ""
+ print "const struct msgdecl *uni_msgtable[256] = {"
+ for(i = 0; i < 256; i++) {
+ if(decl[i] == "") {
+ printf "\t&decl_unknown,"
+ } else {
+ printf "\t&%s,", decl[i]
+ }
+ printf "\t/* 0x%02x */\n", i
+ }
+ print "};"
+}
+
+function start_message() {
+}
+
+function end_message() {
+ gen_print()
+ gen_check()
+ gen_encode()
+ gen_decode()
+ gen_reg()
+}
+
+function gen_print() {
+ print ""
+ print "static void"
+ print "print_" msg "(struct uni_" msg " *msg, struct unicx *cx)"
+ print "{"
+ if(msgrep) {
+ print "\tu_int i;"
+ print ""
+ }
+ for(i = 0; i < cnt; i++) {
+ ie = iename[i]
+ uie = toupper(iename[i])
+ if(ierep[i]) {
+ print "\tif(msg->" ie "_repeat.h.present & UNI_IE_PRESENT)"
+ print "\t\tuni_print_ie_internal(UNI_IE_REPEAT, (union uni_ieall *)&msg->" ie "_repeat, cx);"
+ }
+ if(ienum[i] == "-") {
+ print "\tif(msg->" ie ".h.present & UNI_IE_PRESENT)"
+ print "\t\tuni_print_ie_internal(UNI_IE_" uie ", (union uni_ieall *)&msg->" ie ", cx);"
+ } else {
+ print "\tfor(i = 0; i < " ienum[i] "; i++)"
+ print "\t\tif(msg->" ie "[i].h.present & UNI_IE_PRESENT)"
+ print "\t\t\tuni_print_ie_internal(UNI_IE_" uie ", (union uni_ieall *)&msg->" ie "[i], cx);"
+ }
+ }
+ print "}"
+}
+
+function gen_check() {
+ print ""
+ print "static int"
+ print "check_" msg "(struct uni_" msg " *m, struct unicx *cx)"
+ print "{"
+ print "\tint ret = 0;"
+ if(msgrep) {
+ print "\tu_int i;"
+ }
+ print ""
+ for(i = 0; i < cnt; i++) {
+ ie = iename[i]
+ if(ierep[i]) {
+ if(iecond[i] == "1") {
+ print "\tret |= uni_check_ie(UNI_IE_REPEAT, (union uni_ieall *)&m->" ie "_repeat, cx);"
+ } else {
+ print "\tif(!(" iecond[i] "))"
+ print "\t\tret |= IE_ISPRESENT(m->" ie "_repeat);"
+ print "\telse"
+ print "\t\tret |= uni_check_ie(UNI_IE_REPEAT, (union uni_ieall *)&m->" ie "_repeat, cx);"
+ }
+ }
+ if(ienum[i] == "-") {
+ if(iecond[i] == "1") {
+ print "\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie ", cx);"
+ } else {
+ print "\tif(!(" iecond[i] "))"
+ print "\t\tret |= IE_ISPRESENT(m->" ie ");"
+ print "\telse"
+ print "\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie ", cx);"
+ }
+ } else {
+ print "\tfor(i = 0; i < " ienum[i]" ; i++) {"
+ if(iecond[i] == "1") {
+ print "\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie "[i], cx);"
+ } else {
+ print "\t\tif(!(" iecond[i] "))"
+ print "\t\t\tret |= IE_ISPRESENT(m->" ie "[i]);"
+ print "\t\telse"
+ print "\t\t\tret |= uni_check_ie(UNI_IE_" toupper(ie) ", (union uni_ieall *)&m->" ie "[i], cx);"
+ }
+ print "\t}"
+ }
+ }
+ print ""
+ print "\treturn ret;"
+ print "}"
+}
+
+function gen_encode() {
+ print ""
+ print "static int"
+ print "encode_" msg "(struct uni_msg *msg, struct uni_" msg " *p, struct unicx *cx)"
+ print "{"
+ print "\tu_int mlen;"
+ if(msgrep) {
+ print "\tu_int i;"
+ }
+ print ""
+ print "\tif(uni_encode_msg_hdr(msg, &p->hdr, UNI_" toupper(msg) ", cx, &mlen))"
+ print "\t\treturn (-2);"
+ print ""
+ for(i = 0; i < cnt; i++) {
+ ie = iename[i]
+ if(ierep[i]) {
+ print "\tif((p->" ie "_repeat.h.present & UNI_IE_PRESENT) &&"
+ print "\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie "_repeat, cx))"
+ print "\t\treturn (0x10000000 + UNI_IE_" toupper(ie) ");"
+ }
+ if(ienum[i] == "-") {
+ print "\tif((p->" ie ".h.present & UNI_IE_PRESENT) &&"
+ print "\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie ", cx))"
+ print "\t\treturn (UNI_IE_" toupper(ie) ");"
+ } else {
+ print "\tfor(i = 0; i < " ienum[i] "; i++)"
+ print "\t\tif((p->" ie "[i].h.present & UNI_IE_PRESENT) &&"
+ print "\t\t uni_encode_ie(UNI_IE_" toupper(ie) ", msg, (union uni_ieall *)&p->" ie "[i], cx))"
+ print "\t\treturn ((i << 16) + UNI_IE_" toupper(ie) ");"
+ }
+ }
+ print ""
+ print "\tmsg->b_buf[mlen+0] = ((msg->b_wptr-msg->b_rptr)-mlen-2) >> 8;"
+ print "\tmsg->b_buf[mlen+1] = ((msg->b_wptr-msg->b_rptr)-mlen-2) >> 0;"
+ print ""
+ print "\treturn (0);"
+ print "}"
+}
+
+function gen_decode() {
+ print ""
+ print "static int"
+ print "decode_" msg "(struct uni_" msg " *out, struct uni_msg *msg,"
+ print " enum uni_ietype ie, struct uni_iehdr *hdr, u_int ielen,"
+ print " struct unicx *cx)"
+ print "{"
+ if (msgrep) {
+ print " u_int i;"
+ print ""
+ }
+ print " switch (ie) {"
+
+ rep=0
+ for (i = 0; i < cnt; i++) {
+ ie = iename[i]
+ print ""
+ print " case UNI_IE_" toupper(ie) ":"
+ if (iecond[i] != "1") {
+ print " if (!(" iecond[i] "))"
+ print " return (DEC_ILL);"
+ }
+ if (ierep[i]) {
+ rep=1
+ print " if (IE_ISPRESENT(cx->repeat))"
+ print " out->" ie "_repeat = cx->repeat;"
+ }
+ if (ienum[i] == "-") {
+ print " out->" ie ".h = *hdr;"
+ print " if (hdr->present & UNI_IE_ERROR)"
+ print " return (DEC_ERR);"
+ print " if(uni_decode_ie_body(UNI_IE_"toupper(ie)", (union uni_ieall *)&out->"ie", msg, ielen, cx))"
+ print " return (DEC_ERR);"
+
+ } else {
+ print " for(i = 0; i < " ienum[i] "; i++)"
+ print " if (!IE_ISPRESENT(out->" ie "[i])) {"
+ print " out->" ie "[i].h = *hdr;"
+ print " if (hdr->present & UNI_IE_ERROR)"
+ print " return (DEC_ERR);"
+ print " if(uni_decode_ie_body(UNI_IE_"toupper(ie)", (union uni_ieall *)&out->"ie"[i], msg, ielen, cx))"
+ print " return (DEC_ERR);"
+ print " break;"
+ print " }"
+ }
+ print " break;"
+ }
+ if(rep) {
+ print ""
+ print " case UNI_IE_REPEAT:"
+ print " cx->repeat.h = *hdr;"
+ print " if (hdr->present & UNI_IE_ERROR)"
+ print " return (DEC_ERR);"
+ print " if (uni_decode_ie_body(UNI_IE_REPEAT, (union uni_ieall *)&cx->repeat, msg, ielen, cx))"
+ print " return (DEC_ERR);"
+ print " break;"
+ }
+
+ print ""
+ print " default:"
+ print " return (DEC_ILL);"
+ print " }"
+ print " return (DEC_OK);"
+ print "}"
+}
+
+function gen_reg() {
+ print ""
+ print "static const struct msgdecl decl_" msg " = {"
+ print "\t0,"
+ print "\t\"" msg "\","
+ print "\t(uni_msg_print_f)print_" msg ","
+ print "\t(uni_msg_check_f)check_" msg ","
+ print "\t(uni_msg_encode_f)encode_" msg ","
+ print "\t(uni_msg_decode_f)decode_" msg
+ print "};"
+ decl[code] = "decl_" msg
+}
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