networkd: add support for Uplink Failure Detection

[elogind.git] / src / libsystemd / sd-network / sd-network.c

diff --git a/src/libsystemd/sd-network/sd-network.c b/src/libsystemd/sd-network/sd-network.c
index e30fc3cbf4240c84976265006412b4e34f88446b..db1f6997cbbaa03071595617aba559a2c118dd89 100644 (file)
--- a/src/libsystemd/sd-network/sd-network.c
+++ b/src/libsystemd/sd-network/sd-network.c
@@ -20,19 +20,16 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <unistd.h>
 #include <string.h>
 #include <errno.h>
 #include <sys/inotify.h>
-#include <sys/poll.h>
-#include <net/if.h>
+#include <poll.h>
 
 #include "util.h"
 #include "macro.h"
 #include "strv.h"
 #include "fileio.h"
 #include "sd-network.h"
-#include "network-internal.h"
 
 _public_ int sd_network_get_operational_state(char **state) {
         _cleanup_free_ char *s = NULL;
@@ -92,6 +89,10 @@ _public_ int sd_network_get_ntp(char ***ret) {
         return network_get_strv("NTP", ret);
 }
 
+_public_ int sd_network_get_domains(char ***ret) {
+        return network_get_strv("DOMAINS", ret);
+}
+
 _public_ int sd_network_link_get_setup_state(int ifindex, char **state) {
         _cleanup_free_ char *s = NULL, *p = NULL;
         int r;
@@ -116,6 +117,30 @@ _public_ int sd_network_link_get_setup_state(int ifindex, char **state) {
         return 0;
 }
 
+_public_ int sd_network_link_get_network_file(int ifindex, char **filename) {
+        _cleanup_free_ char *s = NULL, *p = NULL;
+        int r;
+
+        assert_return(ifindex > 0, -EINVAL);
+        assert_return(filename, -EINVAL);
+
+        if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+                return -ENOMEM;
+
+        r = parse_env_file(p, NEWLINE, "NETWORK_FILE", &s, NULL);
+        if (r == -ENOENT)
+                return -ENODATA;
+        if (r < 0)
+                return r;
+        if (isempty(s))
+                return -ENODATA;
+
+        *filename = s;
+        s = NULL;
+
+        return 0;
+}
+
 _public_ int sd_network_link_get_operational_state(int ifindex, char **state) {
         _cleanup_free_ char *s = NULL, *p = NULL;
         int r;
@@ -164,6 +189,32 @@ _public_ int sd_network_link_get_llmnr(int ifindex, char **llmnr) {
         return 0;
 }
 
+_public_ int sd_network_link_get_lldp(int ifindex, char **lldp) {
+        _cleanup_free_ char *s = NULL, *p = NULL;
+        size_t size;
+        int r;
+
+        assert_return(ifindex > 0, -EINVAL);
+        assert_return(lldp, -EINVAL);
+
+        if (asprintf(&p, "/run/systemd/netif/lldp/%d", ifindex) < 0)
+                return -ENOMEM;
+
+        r = read_full_file(p, &s, &size);
+        if (r == -ENOENT)
+                return -ENODATA;
+        if (r < 0)
+                return r;
+        if (size <= 0)
+                return -ENODATA;
+
+        *lldp = s;
+        s = NULL;
+
+        return 0;
+}
+
+
 static int network_get_link_strv(const char *key, int ifindex, char ***ret) {
         _cleanup_free_ char *p = NULL, *s = NULL;
         _cleanup_strv_free_ char **a = NULL;
@@ -210,6 +261,14 @@ _public_ int sd_network_link_get_domains(int ifindex, char ***ret) {
         return network_get_link_strv("DOMAINS", ifindex, ret);
 }
 
+_public_ int sd_network_link_get_carrier_bound_to(int ifindex, char ***ret) {
+        return network_get_link_strv("CARRIER_BOUND_TO", ifindex, ret);
+}
+
+_public_ int sd_network_link_get_carrier_bound_by(int ifindex, char ***ret) {
+        return network_get_link_strv("CARRIER_BOUND_BY", ifindex, ret);
+}
+
 _public_ int sd_network_link_get_wildcard_domain(int ifindex) {
         int r;
         _cleanup_free_ char *p = NULL, *s = NULL;
@@ -220,11 +279,12 @@ _public_ int sd_network_link_get_wildcard_domain(int ifindex) {
                 return -ENOMEM;
 
         r = parse_env_file(p, NEWLINE, "WILDCARD_DOMAIN", &s, NULL);
+        if (r == -ENOENT)
+                return -ENODATA;
         if (r < 0)
                 return r;
-
-        if (!s)
-                return -EIO;
+        if (isempty(s))
+                return -ENODATA;
 
         return parse_boolean(s);
 }