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authorOndrej Zajicek (work) <santiago@crfreenet.org>2016-11-08 19:27:58 +0100
committerOndrej Zajicek (work) <santiago@crfreenet.org>2016-11-08 19:27:58 +0100
commit8860e991f6650e47cfe6c1af595fe4fe92a4edfd (patch)
tree18f49bb3a21739a1a596b54d9f65e82cff4fc09f /nest/a-set.c
parentcc5b93f72db80abd1262a0a5e1d8400ceef54385 (diff)
parentc8cafc8ebb5320ac7c6117c17e6460036f0fdf62 (diff)
Merge branch 'master' into int-new
Diffstat (limited to 'nest/a-set.c')
-rw-r--r--nest/a-set.c135
1 files changed, 131 insertions, 4 deletions
diff --git a/nest/a-set.c b/nest/a-set.c
index a6116022..bd244e2e 100644
--- a/nest/a-set.c
+++ b/nest/a-set.c
@@ -116,7 +116,7 @@ int
ec_set_format(struct adata *set, int from, byte *buf, uint size)
{
u32 *z = int_set_get_data(set);
- byte *end = buf + size - 24;
+ byte *end = buf + size - 64;
int from2 = MAX(from, 0);
int to = int_set_get_size(set);
int i;
@@ -142,6 +142,43 @@ ec_set_format(struct adata *set, int from, byte *buf, uint size)
}
int
+lc_format(byte *buf, lcomm lc)
+{
+ return bsprintf(buf, "(%u, %u, %u)", lc.asn, lc.ldp1, lc.ldp2);
+}
+
+int
+lc_set_format(struct adata *set, int from, byte *buf, uint bufsize)
+{
+ u32 *d = (u32 *) set->data;
+ byte *end = buf + bufsize - 64;
+ int from2 = MAX(from, 0);
+ int to = set->length / 4;
+ int i;
+
+ for (i = from2; i < to; i += 3)
+ {
+ if (buf > end)
+ {
+ if (from < 0)
+ strcpy(buf, "...");
+ else
+ buf[-1] = 0;
+ return i;
+ }
+
+ buf += bsprintf(buf, "(%u, %u, %u)", d[i], d[i+1], d[i+2]);
+ *buf++ = ' ';
+ }
+
+ if (i != from2)
+ buf--;
+
+ *buf = 0;
+ return 0;
+}
+
+int
int_set_contains(struct adata *list, u32 val)
{
if (!list)
@@ -177,6 +214,24 @@ ec_set_contains(struct adata *list, u64 val)
return 0;
}
+int
+lc_set_contains(struct adata *list, lcomm val)
+{
+ if (!list)
+ return 0;
+
+ u32 *l = int_set_get_data(list);
+ int len = int_set_get_size(list);
+ int i;
+
+ for (i = 0; i < len; i += 3)
+ if (lc_match(l, i, val))
+ return 1;
+
+ return 0;
+}
+
+
struct adata *
int_set_add(struct linpool *pool, struct adata *list, u32 val)
{
@@ -189,9 +244,13 @@ int_set_add(struct linpool *pool, struct adata *list, u32 val)
len = list ? list->length : 0;
res = lp_alloc(pool, sizeof(struct adata) + len + 4);
res->length = len + 4;
- * (u32 *) res->data = val;
+
if (list)
- memcpy((char *) res->data + 4, list->data, list->length);
+ memcpy(res->data, list->data, list->length);
+
+ u32 *c = (u32 *) (res->data + len);
+ *c = val;
+
return res;
}
@@ -208,13 +267,30 @@ ec_set_add(struct linpool *pool, struct adata *list, u64 val)
if (list)
memcpy(res->data, list->data, list->length);
- u32 *l = (u32 *) (res->data + res->length - 8);
+ u32 *l = (u32 *) (res->data + olen);
l[0] = ec_hi(val);
l[1] = ec_lo(val);
return res;
}
+struct adata *
+lc_set_add(struct linpool *pool, struct adata *list, lcomm val)
+{
+ if (lc_set_contains(list, val))
+ return list;
+
+ int olen = list ? list->length : 0;
+ struct adata *res = lp_alloc(pool, sizeof(struct adata) + olen + LCOMM_LENGTH);
+ res->length = olen + LCOMM_LENGTH;
+
+ if (list)
+ memcpy(res->data, list->data, list->length);
+
+ lc_put((u32 *) (res->data + olen), val);
+
+ return res;
+}
struct adata *
int_set_del(struct linpool *pool, struct adata *list, u32 val)
@@ -265,6 +341,27 @@ ec_set_del(struct linpool *pool, struct adata *list, u64 val)
return res;
}
+struct adata *
+lc_set_del(struct linpool *pool, struct adata *list, lcomm val)
+{
+ if (!lc_set_contains(list, val))
+ return list;
+
+ struct adata *res;
+ res = lp_alloc(pool, sizeof(struct adata) + list->length - LCOMM_LENGTH);
+ res->length = list->length - LCOMM_LENGTH;
+
+ u32 *l = int_set_get_data(list);
+ u32 *k = int_set_get_data(res);
+ int len = int_set_get_size(list);
+ int i;
+
+ for (i=0; i < len; i += 3)
+ if (! lc_match(l, i, val))
+ k = lc_copy(k, l+i);
+
+ return res;
+}
struct adata *
int_set_union(struct linpool *pool, struct adata *l1, struct adata *l2)
@@ -328,3 +425,33 @@ ec_set_union(struct linpool *pool, struct adata *l1, struct adata *l2)
memcpy(res->data + l1->length, tmp, len);
return res;
}
+
+struct adata *
+lc_set_union(struct linpool *pool, struct adata *l1, struct adata *l2)
+{
+ if (!l1)
+ return l2;
+ if (!l2)
+ return l1;
+
+ struct adata *res;
+ int len = int_set_get_size(l2);
+ u32 *l = int_set_get_data(l2);
+ u32 tmp[len];
+ u32 *k = tmp;
+ int i;
+
+ for (i = 0; i < len; i += 3)
+ if (!lc_set_contains(l1, lc_get(l, i)))
+ k = lc_copy(k, l+i);
+
+ if (k == tmp)
+ return l1;
+
+ len = (k - tmp) * 4;
+ res = lp_alloc(pool, sizeof(struct adata) + l1->length + len);
+ res->length = l1->length + len;
+ memcpy(res->data, l1->data, l1->length);
+ memcpy(res->data + l1->length, tmp, len);
+ return res;
+}