mirrors/bgpq4
1
0
Fork 0
mirror of https://github.com/bgp/bgpq4 synced 2025-02-28 08:53:11 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Huawei XPL format support (#45)

Browse Source 
Add Huawei XPL format support
This commit is contained in:
Stefan Marti
2021-09-02 22:45:45 +02:00
committed by GitHub
parent d285db3c81
commit 2aed3f9e67
5 changed files with 147 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

131
printer.c
View File

@@ -406,6 +406,43 @@ bgpq4_print_huawei_aspath(FILE *f, struct bgpq_expander *b)
fprintf(f, ")$\n");
}
static void
bgpq4_print_huawei_xpl_aspath(FILE *f, struct bgpq_expander *b)
{
int nc = 0, comma = 1;
struct asn_entry *asne, find, *res;
fprintf(f, "xpl as-path-list %s", b->name);
find.asn = b->asnumber;
if ((res = RB_FIND(asn_tree, &b->asnlist, &find)) != NULL) {
fprintf(f, "\n regular ^%u(_%u)*$", res->asn, res->asn);
RB_REMOVE(asn_tree, &b->asnlist, res);
}
RB_FOREACH(asne, asn_tree, &b->asnlist) {
if (!nc) {
fprintf(f, "%s\n regular ^%u(_[0-9]+)*_(%u",
comma ? "," : "",
b->asnumber,
asne->asn);
comma = 1;
} else
fprintf(f, "|%u", asne->asn);
nc++;
if (nc == b->aswidth) {
fprintf(f, ")$");
nc = 0;
}
}
if (nc)
fprintf(f, ")$");
fprintf(f, "\nend-list\n");
}
static void
bgpq4_print_huawei_oaspath(FILE *f, struct bgpq_expander *b)
{
@@ -445,6 +482,42 @@ bgpq4_print_huawei_oaspath(FILE *f, struct bgpq_expander *b)
fprintf(f, ")$\n");
}
static void
bgpq4_print_huawei_xpl_oaspath(FILE *f, struct bgpq_expander *b)
{
int nc = 0, comma = 0;
struct asn_entry *asne, find, *res;
fprintf(f, "xpl as-path-list %s", b->name);
find.asn = b->asnumber;
if ((res = RB_FIND(asn_tree, &b->asnlist, &find)) != NULL) {
fprintf(f, "\n regular ^(_%u)*$", res->asn);
RB_REMOVE(asn_tree, &b->asnlist, res);
comma = 1;
}
RB_FOREACH(asne, asn_tree, &b->asnlist) {
if (!nc) {
fprintf(f,"%s\n regular ^(_[0-9]+)*_(%u",
comma ? "," : "", asne->asn);
comma = 1;
} else
fprintf(f,"|%u",asne->asn);
nc++;
if (nc == b->aswidth) {
fprintf(f,")$");
nc = 0;
}
}
if (nc)
fprintf(f,")$");
fprintf(f,"\nend-list\n");
}
static void
bgpq4_print_nokia_oaspath(FILE *f, struct bgpq_expander *b)
{
@@ -763,6 +836,9 @@ bgpq4_print_aspath(FILE *f, struct bgpq_expander *b)
case V_HUAWEI:
bgpq4_print_huawei_aspath(f, b);
break;
case V_HUAWEI_XPL:
bgpq4_print_huawei_xpl_aspath(f, b);
break;
default:
sx_report(SX_FATAL,"Unknown vendor %i\n", b->vendor);
}
@@ -794,6 +870,9 @@ bgpq4_print_oaspath(FILE *f, struct bgpq_expander *b)
case V_HUAWEI:
bgpq4_print_huawei_oaspath(f, b);
break;
case V_HUAWEI_XPL:
bgpq4_print_huawei_xpl_oaspath(f, b);
break;
default:
sx_report(SX_FATAL,"Unknown vendor %i\n", b->vendor);
}
@@ -973,6 +1052,43 @@ checkSon:
bgpq4_print_hprefix(n->son, ff);
}
static void
bgpq4_print_hprefixxpl(struct sx_radix_node* n, void* ff)
{
char prefix[128];
FILE* f = (FILE*)ff;
if (!f)
f = stdout;
if (n->isGlue)
goto checkSon;
sx_prefix_snprintf_sep(n->prefix, prefix, sizeof(prefix), " ");
if (n->isAggregate) {
if (n->aggregateLow>n->prefix->masklen) {
fprintf(f,"%s %s ge %u le %u",
needscomma ? ",\n " : " ",
prefix, n->aggregateLow, n->aggregateHi);
} else {
fprintf(f,"%s %s le %u",
needscomma ? ",\n " : " ",
prefix, n->aggregateHi);
}
} else {
fprintf(f, "%s %s",
needscomma ? ",\n " : " ",
prefix);
}
needscomma = 1;
checkSon:
if (n->son)
bgpq4_print_hprefixxpl(n->son, ff);
}
static void
bgpq4_print_eprefix(struct sx_radix_node *n, void *ff)
{
@@ -1369,6 +1485,18 @@ bgpq4_print_huawei_prefixlist(FILE *f, struct bgpq_expander *b)
}
}
static void
bgpq4_print_huawei_xpl_prefixlist(FILE* f, struct bgpq_expander* b)
{
bname = b->name ? b->name : "NN";
fprintf(f, "no xpl %s-prefix-list %s\nxpl %s-prefix-list %s\n", b->family==AF_INET ? "ip" : "ipv6", bname, b->family==AF_INET ? "ip" : "ipv6", bname);
sx_radix_tree_foreach(b->tree, bgpq4_print_hprefixxpl, f);
fprintf(f, "\nend-list\n");
}
static void
bgpq4_print_arista_prefixlist(FILE *f, struct bgpq_expander *b)
{
@@ -1615,6 +1743,9 @@ bgpq4_print_prefixlist(FILE *f, struct bgpq_expander *b)
case V_HUAWEI:
bgpq4_print_huawei_prefixlist(f, b);
break;
case V_HUAWEI_XPL:
bgpq4_print_huawei_xpl_prefixlist(f, b);
break;
case V_MIKROTIK:
bgpq4_print_mikrotik_prefixlist(f, b);
break;