static bool cache_ipv6_valid[2];
static int cache_ipv6_slot;
+static mac_t cache_mac_address[2];
+static subnet_t *cache_mac_subnet[2];
+static bool cache_mac_valid[2];
+static int cache_mac_slot;
+
void subnet_cache_flush() {
cache_ipv4_valid[0] = cache_ipv4_valid[1] = false;
cache_ipv6_valid[0] = cache_ipv6_valid[1] = false;
+ cache_mac_valid[0] = cache_mac_valid[1] = false;
}
/* Subnet comparison */
case SUBNET_IPV6:
return subnet_compare_ipv6(a, b);
default:
- logger(LOG_ERR, _("subnet_compare() was called with unknown subnet type %d, exitting!"),
+ logger(LOG_ERR, "subnet_compare() was called with unknown subnet type %d, exitting!",
a->type);
- cp_trace();
exit(0);
}
/* Initialising trees */
void init_subnets(void) {
- cp();
-
subnet_tree = avl_alloc_tree((avl_compare_t) subnet_compare, (avl_action_t) free_subnet);
subnet_cache_flush();
}
void exit_subnets(void) {
- cp();
-
avl_delete_tree(subnet_tree);
}
avl_tree_t *new_subnet_tree(void) {
- cp();
-
return avl_alloc_tree((avl_compare_t) subnet_compare, NULL);
}
void free_subnet_tree(avl_tree_t *subnet_tree) {
- cp();
-
avl_delete_tree(subnet_tree);
}
/* Allocating and freeing space for subnets */
subnet_t *new_subnet(void) {
- cp();
-
return xmalloc_and_zero(sizeof(subnet_t));
}
void free_subnet(subnet_t *subnet) {
- cp();
-
free(subnet);
}
/* Adding and removing subnets */
void subnet_add(node_t *n, subnet_t *subnet) {
- cp();
-
subnet->owner = n;
avl_insert(subnet_tree, subnet);
}
void subnet_del(node_t *n, subnet_t *subnet) {
- cp();
-
avl_delete(n->subnet_tree, subnet);
avl_delete(subnet_tree, subnet);
uint16_t x[8];
int weight = 10;
- cp();
-
if(sscanf(subnetstr, "%hu.%hu.%hu.%hu/%d#%d",
&x[0], &x[1], &x[2], &x[3], &l, &weight) >= 5) {
if(l < 0 || l > 32)
}
bool net2str(char *netstr, int len, const subnet_t *subnet) {
- cp();
-
if(!netstr || !subnet) {
- logger(LOG_ERR, _("net2str() was called with netstr=%p, subnet=%p!\n"), netstr, subnet);
+ logger(LOG_ERR, "net2str() was called with netstr=%p, subnet=%p!\n", netstr, subnet);
return false;
}
default:
logger(LOG_ERR,
- _("net2str() was called with unknown subnet type %d, exiting!"),
+ "net2str() was called with unknown subnet type %d, exiting!",
subnet->type);
- cp_trace();
exit(0);
}
/* Subnet lookup routines */
subnet_t *lookup_subnet(const node_t *owner, const subnet_t *subnet) {
- cp();
-
return avl_search(owner->subnet_tree, subnet);
}
-subnet_t *lookup_subnet_mac(const mac_t *address) {
- subnet_t *p, subnet = {0};
+subnet_t *lookup_subnet_mac(const node_t *owner, const mac_t *address) {
+ subnet_t *p, *r = NULL;
+ avl_node_t *n;
+ int i;
- cp();
+ // Check if this address is cached
- subnet.type = SUBNET_MAC;
- subnet.net.mac.address = *address;
- subnet.owner = NULL;
+ for(i = 0; i < 2; i++) {
+ if(!cache_mac_valid[i])
+ continue;
+ if(owner && cache_mac_subnet[i] && cache_mac_subnet[i]->owner != owner)
+ continue;
+ if(!memcmp(address, &cache_mac_address[i], sizeof *address))
+ return cache_mac_subnet[i];
+ }
- p = avl_search(subnet_tree, &subnet);
+ // Search all subnets for a matching one
- return p;
+ for(n = owner ? owner->subnet_tree->head : subnet_tree->head; n; n = n->next) {
+ p = n->data;
+
+ if(!p || p->type != SUBNET_MAC)
+ continue;
+
+ if(!memcmp(address, &p->net.mac.address, sizeof *address)) {
+ r = p;
+ if(p->owner->status.reachable)
+ break;
+ }
+ }
+
+ // Cache the result
+
+ cache_mac_slot = !cache_mac_slot;
+ memcpy(&cache_mac_address[cache_mac_slot], address, sizeof *address);
+ cache_mac_subnet[cache_mac_slot] = r;
+ cache_mac_valid[cache_mac_slot] = true;
+
+ return r;
}
subnet_t *lookup_subnet_ipv4(const ipv4_t *address) {
- subnet_t *p, *r = NULL, subnet = {0};
+ subnet_t *p, *r = NULL;
avl_node_t *n;
int i;
- cp();
-
// Check if this address is cached
for(i = 0; i < 2; i++) {
// Search all subnets for a matching one
- subnet.type = SUBNET_IPV4;
- subnet.net.ipv4.address = *address;
- subnet.net.ipv4.prefixlength = 32;
- subnet.owner = NULL;
-
for(n = subnet_tree->head; n; n = n->next) {
p = n->data;
- if(!p || p->type != subnet.type)
+ if(!p || p->type != SUBNET_IPV4)
continue;
if(!maskcmp(address, &p->net.ipv4.address, p->net.ipv4.prefixlength)) {
}
subnet_t *lookup_subnet_ipv6(const ipv6_t *address) {
- subnet_t *p, *r = NULL, subnet = {0};
+ subnet_t *p, *r = NULL;
avl_node_t *n;
int i;
- cp();
-
// Check if this address is cached
for(i = 0; i < 2; i++) {
// Search all subnets for a matching one
- subnet.type = SUBNET_IPV6;
- subnet.net.ipv6.address = *address;
- subnet.net.ipv6.prefixlength = 128;
- subnet.owner = NULL;
-
for(n = subnet_tree->head; n; n = n->next) {
p = n->data;
- if(!p || p->type != subnet.type)
+ if(!p || p->type != SUBNET_IPV6)
continue;
if(!maskcmp(address, &p->net.ipv6.address, p->net.ipv6.prefixlength)) {
subnet_t *subnet;
avl_node_t *node;
- cp();
-
- logger(LOG_DEBUG, _("Subnet list:"));
+ logger(LOG_DEBUG, "Subnet list:");
for(node = subnet_tree->head; node; node = node->next) {
subnet = node->data;
if(!net2str(netstr, sizeof netstr, subnet))
continue;
- logger(LOG_DEBUG, _(" %s owner %s"), netstr, subnet->owner->name);
+ logger(LOG_DEBUG, " %s owner %s", netstr, subnet->owner->name);
}
- logger(LOG_DEBUG, _("End of subnet list."));
+ logger(LOG_DEBUG, "End of subnet list.");
}
projects / oweals / tinc.git / blobdiff