#include "string-util.h"
#include "strv.h"
-Link* link_free(Link *l) {
+static Link* link_free(Link *l) {
if (!l)
return NULL;
return mfree(l);
}
+DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
+
DEFINE_PRIVATE_HASH_OPS_WITH_VALUE_DESTRUCTOR(
link_hash_ops_by_index,
void, trivial_hash_func, trivial_compare_func,
Link, link_free);
-int link_new(Manager *m, Link **ret, int ifindex, const char *ifname) {
+static int link_new(Manager *m, Link **ret, int ifindex, const char *ifname) {
_cleanup_(link_freep) Link *l = NULL;
_cleanup_free_ char *n = NULL;
int r;
return 0;
}
-int link_update_rtnl(Link *l, sd_netlink_message *m) {
+static int link_update_rtnl(Link *l, sd_netlink_message *m) {
int r;
assert(l);
return 0;
}
+int rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) {
+ Manager *m = ASSERT_PTR(userdata);
+ uint16_t type;
+ Link *l;
+ const char *ifname;
+ int ifindex, r;
+
+ assert(rtnl);
+ assert(mm);
+
+ r = sd_netlink_message_get_type(mm, &type);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: Could not get message type, ignoring: %m");
+ return 0;
+ }
+
+ r = sd_rtnl_message_link_get_ifindex(mm, &ifindex);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: Could not get ifindex from link, ignoring: %m");
+ return 0;
+ } else if (ifindex <= 0) {
+ log_warning("rtnl: received link message with invalid ifindex %d, ignoring", ifindex);
+ return 0;
+ }
+
+ r = sd_netlink_message_read_string(mm, IFLA_IFNAME, &ifname);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: Received link message without ifname, ignoring: %m");
+ return 0;
+ }
+
+ l = hashmap_get(m->links_by_index, INT_TO_PTR(ifindex));
+
+ switch (type) {
+
+ case RTM_NEWLINK:
+ if (!l) {
+ log_debug("Found link %s(%i)", ifname, ifindex);
+
+ r = link_new(m, &l, ifindex, ifname);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to create link object for %s(%i), ignoring: %m", ifname, ifindex);
+ return 0;
+ }
+ }
+
+ r = link_update_rtnl(l, mm);
+ if (r < 0)
+ log_link_warning_errno(l, r, "Failed to process RTNL link message, ignoring: %m");
+
+ r = link_update_monitor(l);
+ if (r < 0)
+ log_link_full_errno(l, IN_SET(r, -ENODATA, -ENOENT) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to update link state, ignoring: %m");
+
+ break;
+
+ case RTM_DELLINK:
+ if (l) {
+ log_link_debug(l, "Removing link");
+ link_free(l);
+ }
+
+ break;
+ }
+
+ return 0;
+}
+
int link_update_monitor(Link *l) {
_cleanup_free_ char *required_operstate = NULL, *required_family = NULL,
*ipv4_address_state = NULL, *ipv6_address_state = NULL, *state = NULL;
return !m->any && has_online;
}
-static int manager_process_link(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) {
- Manager *m = ASSERT_PTR(userdata);
- uint16_t type;
- Link *l;
- const char *ifname;
- int ifindex, r;
-
- assert(rtnl);
- assert(mm);
-
- r = sd_netlink_message_get_type(mm, &type);
- if (r < 0) {
- log_warning_errno(r, "rtnl: Could not get message type, ignoring: %m");
- return 0;
- }
-
- r = sd_rtnl_message_link_get_ifindex(mm, &ifindex);
- if (r < 0) {
- log_warning_errno(r, "rtnl: Could not get ifindex from link, ignoring: %m");
- return 0;
- } else if (ifindex <= 0) {
- log_warning("rtnl: received link message with invalid ifindex %d, ignoring", ifindex);
- return 0;
- }
-
- r = sd_netlink_message_read_string(mm, IFLA_IFNAME, &ifname);
- if (r < 0) {
- log_warning_errno(r, "rtnl: Received link message without ifname, ignoring: %m");
- return 0;
- }
-
- l = hashmap_get(m->links_by_index, INT_TO_PTR(ifindex));
-
- switch (type) {
-
- case RTM_NEWLINK:
- if (!l) {
- log_debug("Found link %s(%i)", ifname, ifindex);
-
- r = link_new(m, &l, ifindex, ifname);
- if (r < 0) {
- log_warning_errno(r, "Failed to create link object for %s(%i), ignoring: %m", ifname, ifindex);
- return 0;
- }
- }
-
- r = link_update_rtnl(l, mm);
- if (r < 0)
- log_link_warning_errno(l, r, "Failed to process RTNL link message, ignoring: %m");
-
- r = link_update_monitor(l);
- if (r < 0)
- log_link_full_errno(l, IN_SET(r, -ENODATA, -ENOENT) ? LOG_DEBUG : LOG_WARNING, r,
- "Failed to update link state, ignoring: %m");
-
- break;
-
- case RTM_DELLINK:
- if (l) {
- log_link_debug(l, "Removing link");
- link_free(l);
- }
-
- break;
- }
-
- return 0;
-}
-
static int on_rtnl_event(sd_netlink *rtnl, sd_netlink_message *mm, void *userdata) {
Manager *m = userdata;
int r;
- r = manager_process_link(rtnl, mm, m);
+ r = rtnl_process_link(rtnl, mm, m);
if (r < 0)
return r;
return r;
for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
- r = manager_process_link(m->rtnl, i, m);
+ r = rtnl_process_link(m->rtnl, i, m);
if (r < 0)
return r;
}