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network: introduce route_full_hash_ops 

Will be used later.
This commit is contained in:
Yu Watanabe 2019-07-17 01:47:52 +09:00
parent deeabb45ae
commit 01aaa3df16
2 changed files with 99 additions and 0 deletions
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97
src/network/networkd-route.c
View File

@ -207,6 +207,103 @@ static int route_compare_func(const Route *a, const Route *b) {
DEFINE_PRIVATE_HASH_OPS(route_hash_ops, Route, route_hash_func, route_compare_func);
static void route_full_hash_func(const Route *route, struct siphash *state) {
assert(route);
siphash24_compress(&route->family, sizeof(route->family), state);
switch (route->family) {
case AF_INET:
case AF_INET6:
siphash24_compress(&route->gw, FAMILY_ADDRESS_SIZE(route->family), state);
siphash24_compress(&route->dst, FAMILY_ADDRESS_SIZE(route->family), state);
siphash24_compress(&route->dst_prefixlen, sizeof(route->dst_prefixlen), state);
siphash24_compress(&route->src, FAMILY_ADDRESS_SIZE(route->family), state);
siphash24_compress(&route->src_prefixlen, sizeof(route->src_prefixlen), state);
siphash24_compress(&route->prefsrc, FAMILY_ADDRESS_SIZE(route->family), state);
siphash24_compress(&route->tos, sizeof(route->tos), state);
siphash24_compress(&route->priority, sizeof(route->priority), state);
siphash24_compress(&route->table, sizeof(route->table), state);
siphash24_compress(&route->protocol, sizeof(route->protocol), state);
siphash24_compress(&route->scope, sizeof(route->scope), state);
siphash24_compress(&route->type, sizeof(route->type), state);
break;
default:
/* treat any other address family as AF_UNSPEC */
break;
}
}
static int route_full_compare_func(const Route *a, const Route *b) {
int r;
r = CMP(a->family, b->family);
if (r != 0)
return r;
switch (a->family) {
case AF_INET:
case AF_INET6:
r = CMP(a->dst_prefixlen, b->dst_prefixlen);
if (r != 0)
return r;
r = CMP(a->src_prefixlen, b->src_prefixlen);
if (r != 0)
return r;
r = CMP(a->tos, b->tos);
if (r != 0)
return r;
r = CMP(a->priority, b->priority);
if (r != 0)
return r;
r = CMP(a->table, b->table);
if (r != 0)
return r;
r = CMP(a->protocol, b->protocol);
if (r != 0)
return r;
r = CMP(a->scope, b->scope);
if (r != 0)
return r;
r = CMP(a->type, b->type);
if (r != 0)
return r;
r = memcmp(&a->gw, &b->gw, FAMILY_ADDRESS_SIZE(a->family));
if (r != 0)
return r;
r = memcmp(&a->dst, &b->dst, FAMILY_ADDRESS_SIZE(a->family));
if (r != 0)
return r;
r = memcmp(&a->src, &b->src, FAMILY_ADDRESS_SIZE(a->family));
if (r != 0)
return r;
return memcmp(&a->prefsrc, &b->prefsrc, FAMILY_ADDRESS_SIZE(a->family));
default:
/* treat any other address family as AF_UNSPEC */
return 0;
}
}
DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(
route_full_hash_ops,
Route,
route_full_hash_func,
route_full_compare_func,
route_free);
bool route_equal(Route *r1, Route *r2) {
if (r1 == r2)
return true;

2
src/network/networkd-route.h
View File

@ -49,6 +49,8 @@ struct Route {
LIST_FIELDS(Route, routes);
};
extern const struct hash_ops route_full_hash_ops;
int route_new(Route **ret);
void route_free(Route *route);
int route_configure(Route *route, Link *link, link_netlink_message_handler_t callback);