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@@ -0,0 +1,187 @@
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+# $Id$
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+#
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+# Scan a file of route-type definitions (see eg route_types.txt) and
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+# generate a corresponding header file with:
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+#
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+# - enum of Zserv route-types
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+# - redistribute strings for the various Quagga daemons
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+#
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+# See route_types.txt for the format.
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+#
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+#
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+
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+BEGIN {
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+ FS="[,]";
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+
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+ # globals
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+ exitret = 0;
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+ tcount = 0;
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+
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+ # 'bare' redistribute specifier, <1-255>, help string.
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+ redist_bare_help = "Numeric Zserv route type";
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+
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+ # formats for output
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+ redist_def_fmt = "#define QUAGGA_REDIST_STR_%s \\\n";
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+ redist_str_fmt = "\"(%s<1-255>)\"\n";
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+ redist_help_def_fmt = "#define QUAGGA_REDIST_HELP_STR_%s";
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+ redist_help_str_fmt = " \\\n \"%s\\n\"";
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+
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+ # header
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+ header = "/* Auto-generated from route_types.txt by " ARGV[0] ". */\n";
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+ header = header "/* Do not edit! */\n";
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+ header = header "\n#ifndef _QUAGGA_ROUTE_TYPES_H\n";
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+ header = header "#define _QUAGGA_ROUTE_TYPES_H\n";
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+ footer = "#endif /* _QUAGGA_ROUTE_TYPES_H */\n";
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+ printf ("%s\n", header);
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+}
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+
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+# Chomp comment lines
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+($0 ~ /^#/) {
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+ next;
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+}
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+
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+# get rid of the commas, leading/trailling whitespace and
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+# quotes
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+{
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+ for (i = 1; i <= NF; i++) {
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+ #print "before:" $i;
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+ $i = gensub(/^[[:blank:]]*(.*)[,]*.*/, "\\1", "g",$i);
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+ $i = gensub(/^["](.*)["]$/, "\\1", "g", $i);
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+ #print "after :" $i;
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+ }
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+}
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+
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+# 7 field format:
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+# type cname daemon C 4 6 short help
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+(NF >= 7) {
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+ #print "7", $1, $0;
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+
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+ if ($1 in types) {
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+ print "error: attempt to redefine", $1;
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+ exitret = 1;
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+ exit exitret;
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+ }
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+
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+ typesbynum[tcount] = $1;
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+ types[$1,"num"] = tcount++;
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+ types[$1,"cname"] = $2;
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+ types[$1,"daemon"] = $3;
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+ types[$1,"C"] = $4;
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+ types[$1,"4"] = strtonum($5);
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+ types[$1,"6"] = strtonum($6);
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+ types[$1,"shelp"] = $7;
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+
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+ #print "num :", types[$1,"num"]
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+ #print "cname :", types[$1,"cname"]
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+ #print "daemon:", types[$1,"daemon"];
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+ #print "char :", types[$1,"C"];
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+};
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+
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+# 2 field: type "long description"
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+(NF == 2) {
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+ #print "2", $1, $2;
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+
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+ if (!(($1 SUBSEP "num") in types)) {
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+ print "error: type", $1, "must be defined before help str";
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+ exitret = 2;
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+ exit exitret;
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+ }
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+
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+ types[$1,"lhelp"] = $2;
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+}
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+
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+END {
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+ if (exitret)
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+ exit exitret;
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+
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+ # The enums
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+ # not yet...
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+ #printf("enum\n{\n");
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+ #for (i = 0; i < tcount; i++) {
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+ # type = typesbynum[i];
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+ # if (type != "" && types[type,"num"] == i)
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+ # printf (" %s,\n", type);
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+ #}
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+ #printf (" ZEBRA_ROUTE_MAX,\n};\n\n");
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+
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+ # the redistribute defines
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+ for (i = 0; i < tcount; i++) {
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+ type = typesbynum[i];
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+
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+ # must be a type, and must cross-check against recorded type
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+ if (type == "" || types[type,"num"] != i)
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+ continue;
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+
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+ # ignore route types that can't be redistributed
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+ if (!(types[type,"4"] || types[type,"6"]))
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+ continue;
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+
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+ # must have a daemon name
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+ if (!((type SUBSEP "daemon") in types))
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+ continue;
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+ if (!(daemon = types[type,"daemon"]))
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+ continue;
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+
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+ # might have done this daemon already?
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+ if (daemon in seen_daemons)
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+ continue;
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+
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+ cname = types[type,"cname"];
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+ all = all "|" cname;
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+ rstr = "";
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+ hstr = "";
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+
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+ # add it to the others
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+ for (j = 0; j < tcount; j++) {
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+ # ignore self
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+ if (i == j)
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+ continue;
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+
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+ type2 = typesbynum[j];
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+
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+ # type2 must be valid, and self-check.
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+ if (type2 == "" || types[type2,"num"] != j)
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+ continue;
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+
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+ # ignore different route types for the same daemon
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+ # (eg system/kernel/connected)
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+ if (types[type2,"daemon"] == daemon)
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+ continue;
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+
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+ if ((types[type2,"4"] && types[type,"4"]) \
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+ || (types[type2,"6"] && types[type,"6"])) {
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+
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+ rstr = rstr types[type2,"cname"] "|";
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+
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+ if ((type2 SUBSEP "lhelp") in types)
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+ hstr2 = types[type2,"lhelp"];
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+ else if ((type2 SUBSEP "shelp") in types)
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+ hstr2 = types[type2,"shelp"];
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+ else
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+ hstr2 = types[type2,"cname"];
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+
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+ hstr = hstr sprintf(redist_help_str_fmt, hstr2);
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+ }
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+ }
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+
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+ # dont double-process daemons.
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+ seen_daemons[daemon] = 1;
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+
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+ printf("/* %s */\n", daemon);
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+ printf(redist_def_fmt, toupper(daemon));
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+ printf(redist_str_fmt, rstr);
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+ printf(redist_help_def_fmt, toupper(daemon));
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+ printf("%s", hstr);
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+ printf(redist_help_str_fmt, redist_bare_help);
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+ print("\n");
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+
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+ }
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+
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+ #printf("#define QUAGGA_REDIST_STR_ALL %s\n",all);
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+
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+# for (i = 0; i < lcount; i++) {
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+# if (mlists[i] != "")
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+# printf (mlistformat "\n", mlists[i]);
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+# }
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+ printf (footer);
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+}
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Paul Jakma