networkd: store ifindex as int

[elogind.git] / src / network / networkd-link.c

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 86d4b83d3b98cb1568b2b64432bc9f787e401c8a..5eeeb3d29ebc21dc47f454cf266731829f5ee7b1 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -46,7 +46,6 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {
         int r, ifindex;
 
         assert(manager);
-        assert(manager->links);
         assert(message);
         assert(ret);
 
@@ -82,17 +81,19 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {
         if (r < 0)
                 log_debug_link(link, "MAC address not found for new device, continuing without");
 
-        r = asprintf(&link->state_file, "/run/systemd/netif/links/%"PRIu64,
-                     link->ifindex);
+        r = asprintf(&link->state_file, "/run/systemd/netif/links/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%"PRIu64,
-                     link->ifindex);
+        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = hashmap_put(manager->links, &link->ifindex, link);
+        r = hashmap_ensure_allocated(&manager->links, NULL, NULL);
+        if (r < 0)
+                return r;
+
+        r = hashmap_put(manager->links, INT_TO_PTR(link->ifindex), link);
         if (r < 0)
                 return r;
 
@@ -129,7 +130,7 @@ static void link_free(Link *link) {
         sd_icmp6_nd_unref(link->icmp6_router_discovery);
 
         if (link->manager)
-                hashmap_remove(link->manager->links, &link->ifindex);
+                hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
 
         free(link->ifname);
 
@@ -157,15 +158,12 @@ Link *link_ref(Link *link) {
 
 int link_get(Manager *m, int ifindex, Link **ret) {
         Link *link;
-        uint64_t ifindex_64;
 
         assert(m);
-        assert(m->links);
         assert(ifindex);
         assert(ret);
 
-        ifindex_64 = ifindex;
-        link = hashmap_get(m->links, &ifindex_64);
+        link = hashmap_get(m->links, INT_TO_PTR(ifindex));
         if (!link)
                 return -ENODEV;
 
@@ -471,14 +469,6 @@ static int link_enter_set_routes(Link *link) {
 
         if (link->ipv4ll && !link->dhcp_lease) {
                 _cleanup_route_free_ Route *route = NULL;
-                struct in_addr addr;
-
-                r = sd_ipv4ll_get_address(link->ipv4ll, &addr);
-                if (r < 0 && r != -ENOENT) {
-                        log_warning_link(link, "IPV4LL error: no address: %s",
-                                        strerror(-r));
-                        return r;
-                }
 
                 if (r != -ENOENT) {
                         r = route_new_dynamic(&route, RTPROT_STATIC);
@@ -1180,9 +1170,6 @@ static void dhcp_handler(sd_dhcp_client *client, int event, void *userdata) {
                 return;
 
         switch (event) {
-                case DHCP_EVENT_NO_LEASE:
-                        log_debug_link(link, "IP address in use.");
-                        break;
                 case DHCP_EVENT_EXPIRED:
                 case DHCP_EVENT_STOP:
                 case DHCP_EVENT_IP_CHANGE:
@@ -2293,7 +2280,7 @@ int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
 
         link = *ret;
 
-        log_debug_link(link, "link %"PRIu64" added", link->ifindex);
+        log_debug_link(link, "link %d added", link->ifindex);
 
         r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, link->ifindex, 0);
         if (r < 0)
@@ -2307,7 +2294,7 @@ int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
 
         if (detect_container(NULL) <= 0) {
                 /* not in a container, udev will be around */
-                sprintf(ifindex_str, "n%"PRIu64, link->ifindex);
+                sprintf(ifindex_str, "n%d", link->ifindex);
                 device = udev_device_new_from_device_id(m->udev, ifindex_str);
                 if (!device) {
                         log_warning_link(link, "could not find udev device");
@@ -2419,27 +2406,6 @@ int link_update(Link *link, sd_rtnl_message *m) {
         return link_update_flags(link, m);
 }
 
-static void serialize_addresses(FILE *f, const char *key, Address *address) {
-        Address *ad;
-
-        assert(f);
-        assert(key);
-
-        if (!address)
-                return;
-
-        fprintf(f, "%s=", key);
-
-        LIST_FOREACH(addresses, ad, address) {
-                char buf[INET6_ADDRSTRLEN];
-
-                if (inet_ntop(ad->family, &ad->in_addr, buf, INET6_ADDRSTRLEN))
-                        fprintf(f, "%s%s", buf, (ad->addresses_next) ? " ": "");
-        }
-
-        fputs("\n", f);
-}
-
 static void link_update_operstate(Link *link) {
 
         assert(link);
@@ -2510,8 +2476,47 @@ int link_save(Link *link) {
                 admin_state, oper_state);
 
         if (link->network) {
-                serialize_addresses(f, "DNS", link->network->dns);
-                serialize_addresses(f, "NTP", link->network->ntp);
+                char **address;
+
+                fputs("DNS=", f);
+
+                if (link->network->dhcp_dns &&
+                    link->dhcp_lease) {
+                        const struct in_addr *addresses;
+
+                        r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
+                        if (r > 0) {
+                                serialize_in_addrs(f, addresses, r);
+                                if (link->network->dns)
+                                        fputs(" ", f);
+                        }
+                }
+
+                STRV_FOREACH(address, link->network->dns)
+                        fprintf(f, "%s%s", *address,
+                                (address + 1 ? " " : ""));
+
+                fputs("\n", f);
+
+                fprintf(f, "NTP=");
+
+                if (link->network->dhcp_ntp &&
+                    link->dhcp_lease) {
+                        const struct in_addr *addresses;
+
+                        r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
+                        if (r > 0) {
+                                serialize_in_addrs(f, addresses, r);
+                                if (link->network->ntp)
+                                        fputs(" ", f);
+                        }
+                }
+
+                STRV_FOREACH(address, link->network->ntp)
+                        fprintf(f, "%s%s", *address,
+                                (address + 1 ? " " : ""));
+
+                fputs("\n", f);
         }
 
         if (link->dhcp_lease) {
@@ -2522,12 +2527,8 @@ int link_save(Link *link) {
                         goto finish;
 
                 fprintf(f,
-                        "DHCP_LEASE=%s\n"
-                        "DHCP_USE_DNS=%s\n"
-                        "DHCP_USE_NTP=%s\n",
-                        link->lease_file,
-                        yes_no(link->network->dhcp_dns),
-                        yes_no(link->network->dhcp_ntp));
+                        "DHCP_LEASE=%s\n",
+                        link->lease_file);
         } else
                 unlink(link->lease_file);