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hashlist: Move get_match() and sorting into a separate class

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The main intention here is that we can change the hashtable_t
implementation without being impeded by the special requirements imposed
by get_match() and sorting the keys/items in buckets.
This commit is contained in:
Tobias Brunner
2020-07-20 13:50:11 +02:00
parent 4334f61284
commit d9944102f5
6 changed files with 386 additions and 224 deletions
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src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c
+20 -29
View File
@@ -330,12 +330,12 @@ struct private_kernel_netlink_net_t {
/**
* Map for IP addresses to iface_entry_t objects (addr_map_entry_t)
*/
hashtable_t *addrs;
hashlist_t *addrs;
/**
* Map for virtual IP addresses to iface_entry_t objects (addr_map_entry_t)
*/
hashtable_t *vips;
hashlist_t *vips;
/**
* netlink rt socket (routing)
@@ -375,7 +375,7 @@ struct private_kernel_netlink_net_t {
/**
* installed routes
*/
hashtable_t *routes;
hashlist_t *routes;
/**
* mutex for routes
@@ -499,7 +499,7 @@ static job_requeue_t reinstall_routes(private_kernel_netlink_net_t *this)
this->net_changes_lock->lock(this->net_changes_lock);
this->routes_lock->lock(this->routes_lock);
enumerator = this->routes->create_enumerator(this->routes);
enumerator = this->routes->ht.create_enumerator(&this->routes->ht);
while (enumerator->enumerate(enumerator, NULL, (void**)&route))
{
net_change_t *change, lookup = {
@@ -617,7 +617,7 @@ static bool is_known_vip(private_kernel_netlink_net_t *this, host_t *ip)
/**
* Add an address map entry
*/
static void addr_map_entry_add(hashtable_t *map, addr_entry_t *addr,
static void addr_map_entry_add(hashlist_t *map, addr_entry_t *addr,
iface_entry_t *iface)
{
addr_map_entry_t *entry;
@@ -627,14 +627,14 @@ static void addr_map_entry_add(hashtable_t *map, addr_entry_t *addr,
.addr = addr,
.iface = iface,
);
entry = map->put(map, entry, entry);
entry = map->ht.put(&map->ht, entry, entry);
free(entry);
}
/**
* Remove an address map entry
*/
static void addr_map_entry_remove(hashtable_t *map, addr_entry_t *addr,
static void addr_map_entry_remove(hashlist_t *map, addr_entry_t *addr,
iface_entry_t *iface)
{
addr_map_entry_t *entry, lookup = {
@@ -643,7 +643,7 @@ static void addr_map_entry_remove(hashtable_t *map, addr_entry_t *addr,
.iface = iface,
};
entry = map->remove(map, &lookup);
entry = map->ht.remove(&map->ht, &lookup);
free(entry);
}
@@ -1241,7 +1241,7 @@ static void process_addr(private_kernel_netlink_net_t *this,
};
addr_entry_t *addr;
entry = this->vips->get(this->vips, &lookup);
entry = this->vips->ht.get(&this->vips->ht, &lookup);
if (entry)
{
if (hdr->nlmsg_type == RTM_NEWADDR)
@@ -1261,7 +1261,7 @@ static void process_addr(private_kernel_netlink_net_t *this,
host->destroy(host);
return;
}
entry = this->addrs->get(this->addrs, &lookup);
entry = this->addrs->ht.get(&this->addrs->ht, &lookup);
if (entry)
{
if (hdr->nlmsg_type == RTM_DELADDR)
@@ -2726,7 +2726,7 @@ METHOD(kernel_net_t, add_route, status_t,
}
this->routes_lock->lock(this->routes_lock);
found = this->routes->get(this->routes, &lookup.route);
found = this->routes->ht.get(&this->routes->ht, &lookup.route);
if (found)
{
this->routes_lock->unlock(this->routes_lock);
@@ -2755,7 +2755,7 @@ METHOD(kernel_net_t, add_route, status_t,
if (status == SUCCESS)
{
found = route_entry_clone(&lookup.route);
this->routes->put(this->routes, found, found);
this->routes->ht.put(&this->routes->ht, found, found);
}
this->routes_lock->unlock(this->routes_lock);
return status;
@@ -2785,7 +2785,7 @@ METHOD(kernel_net_t, del_route, status_t,
}
this->routes_lock->lock(this->routes_lock);
found = this->routes->remove(this->routes, &lookup.route);
found = this->routes->ht.remove(&this->routes->ht, &lookup.route);
if (!found)
{
this->routes_lock->unlock(this->routes_lock);
@@ -3023,18 +3023,9 @@ static void check_kernel_features(private_kernel_netlink_net_t *this)
/**
* Destroy an address to iface map
*/
static void addr_map_destroy(hashtable_t *map)
static void addr_map_destroy(hashlist_t *map)
{
enumerator_t *enumerator;
addr_map_entry_t *addr;
enumerator = map->create_enumerator(map);
while (enumerator->enumerate(enumerator, NULL, (void**)&addr))
{
free(addr);
}
enumerator->destroy(enumerator);
map->destroy(map);
map->ht.destroy_function(&map->ht, (void*)free);
}
METHOD(kernel_net_t, destroy, void,
@@ -3055,7 +3046,7 @@ METHOD(kernel_net_t, destroy, void,
lib->watcher->remove(lib->watcher, this->socket_events);
close(this->socket_events);
}
enumerator = this->routes->create_enumerator(this->routes);
enumerator = this->routes->ht.create_enumerator(&this->routes->ht);
while (enumerator->enumerate(enumerator, NULL, (void**)&route))
{
manage_srcroute(this, RTM_DELROUTE, 0, route->dst_net, route->prefixlen,
@@ -3112,15 +3103,15 @@ kernel_netlink_net_t *kernel_netlink_net_create()
lib->settings->get_bool(lib->settings,
"%s.plugins.kernel-netlink.parallel_route", FALSE, lib->ns)),
.rt_exclude = linked_list_create(),
.routes = hashtable_create((hashtable_hash_t)route_entry_hash,
(hashtable_equals_t)route_entry_equals, 16),
.routes = hashlist_create((hashtable_hash_t)route_entry_hash,
(hashtable_equals_t)route_entry_equals, 16),
.net_changes = hashtable_create(
(hashtable_hash_t)net_change_hash,
(hashtable_equals_t)net_change_equals, 16),
.addrs = hashtable_create(
.addrs = hashlist_create(
(hashtable_hash_t)addr_map_entry_hash,
(hashtable_equals_t)addr_map_entry_equals, 16),
.vips = hashtable_create((hashtable_hash_t)addr_map_entry_hash,
.vips = hashlist_create((hashtable_hash_t)addr_map_entry_hash,
(hashtable_equals_t)addr_map_entry_equals, 16),
.routes_lock = mutex_create(MUTEX_TYPE_DEFAULT),
.net_changes_lock = mutex_create(MUTEX_TYPE_DEFAULT),