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netconfig: Skip update if resolver data unchanged

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This commit is contained in:
Andrew Zaborowski 2022-08-29 19:36:01 +02:00 committed by Denis Kenzior
parent a4c0515e0f
commit 4cf655936e
2 changed files with 30 additions and 3 deletions
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31
src/netconfig-commit.c
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@ -51,10 +51,13 @@ static struct l_netlink *rtnl;
static void netconfig_rtnl_commit(struct netconfig *netconfig, uint8_t family,
enum l_netconfig_event event);
static void netconfig_rtnl_free_data(struct netconfig *netconfig,
const char *reasonstr);
/* Default backend */
static struct netconfig_commit_ops netconfig_rtnl_ops = {
.commit = netconfig_rtnl_commit,
.commit = netconfig_rtnl_commit,
.free_data = netconfig_rtnl_free_data,
};
/* Same backend for all netconfig objects */
@ -262,8 +265,14 @@ static void netconfig_dns_list_update(struct netconfig *netconfig)
_auto_(l_strv_free) char **dns_list =
l_netconfig_get_dns_list(netconfig->nc);
if (l_strv_eq(netconfig->dns_list, dns_list))
return;
if (netconfig->resolve && dns_list)
resolve_set_dns(netconfig->resolve, dns_list);
l_strv_free(netconfig->dns_list);
netconfig->dns_list = l_steal_ptr(dns_list);
}
static void netconfig_domains_update(struct netconfig *netconfig)
@ -271,8 +280,14 @@ static void netconfig_domains_update(struct netconfig *netconfig)
_auto_(l_strv_free) char **domains =
l_netconfig_get_domain_names(netconfig->nc);
if (l_strv_eq(netconfig->domains, domains))
return;
if (netconfig->resolve && domains)
resolve_set_domains(netconfig->resolve, domains);
l_strv_free(netconfig->domains);
netconfig->dns_list = l_steal_ptr(domains);
}
static void netconfig_rtnl_commit(struct netconfig *netconfig, uint8_t family,
@ -280,7 +295,6 @@ static void netconfig_rtnl_commit(struct netconfig *netconfig, uint8_t family,
{
l_netconfig_apply_rtnl(netconfig->nc);
/* TODO: cache values and skip updates if unchanged */
netconfig_dns_list_update(netconfig);
netconfig_domains_update(netconfig);
@ -292,12 +306,23 @@ static void netconfig_rtnl_commit(struct netconfig *netconfig, uint8_t family,
*/
resolve_set_mdns(netconfig->resolve, netconfig->mdns);
if (event == L_NETCONFIG_EVENT_UNCONFIGURE && family == AF_INET)
if (event == L_NETCONFIG_EVENT_UNCONFIGURE && family == AF_INET) {
l_strv_free(l_steal_ptr(netconfig->dns_list));
l_strv_free(l_steal_ptr(netconfig->domains));
resolve_revert(netconfig->resolve);
}
netconfig_commit_done(netconfig, family, event, true);
}
static void netconfig_rtnl_free_data(struct netconfig *netconfig,
const char *reasonstr)
{
l_strv_free(l_steal_ptr(netconfig->dns_list));
l_strv_free(l_steal_ptr(netconfig->domains));
}
struct netconfig_agent_data {
uint32_t pending_id[2];
};

2
src/netconfig.h
View File

@ -44,6 +44,8 @@ struct netconfig {
bool gateway_overridden[2];
bool dns_overridden[2];
bool connected[2];
char **dns_list;
char **domains;
const struct l_settings *active_settings;