diff options
Diffstat (limited to 'src/grp-network/systemd-networkd-wait-online/networkd-wait-online-link.c')
-rw-r--r-- | src/grp-network/systemd-networkd-wait-online/networkd-wait-online-link.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/grp-network/systemd-networkd-wait-online/networkd-wait-online-link.c b/src/grp-network/systemd-networkd-wait-online/networkd-wait-online-link.c new file mode 100644 index 0000000000..8840267f55 --- /dev/null +++ b/src/grp-network/systemd-networkd-wait-online/networkd-wait-online-link.c @@ -0,0 +1,131 @@ +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + Copyright 2014 Tom Gundersen + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include "sd-network/sd-network.h" +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/string-util.h" + +#include "networkd-wait-online-link.h" + +int link_new(Manager *m, Link **ret, int ifindex, const char *ifname) { + _cleanup_(link_freep) Link *l = NULL; + int r; + + assert(m); + assert(ifindex > 0); + + r = hashmap_ensure_allocated(&m->links, NULL); + if (r < 0) + return r; + + r = hashmap_ensure_allocated(&m->links_by_name, &string_hash_ops); + if (r < 0) + return r; + + l = new0(Link, 1); + if (!l) + return -ENOMEM; + + l->manager = m; + + l->ifname = strdup(ifname); + if (!l->ifname) + return -ENOMEM; + + r = hashmap_put(m->links_by_name, l->ifname, l); + if (r < 0) + return r; + + l->ifindex = ifindex; + + r = hashmap_put(m->links, INT_TO_PTR(ifindex), l); + if (r < 0) + return r; + + if (ret) + *ret = l; + l = NULL; + + return 0; +} + +Link *link_free(Link *l) { + + if (!l) + return NULL; + + if (l->manager) { + hashmap_remove(l->manager->links, INT_TO_PTR(l->ifindex)); + hashmap_remove(l->manager->links_by_name, l->ifname); + } + + free(l->ifname); + free(l); + return NULL; + } + +int link_update_rtnl(Link *l, sd_netlink_message *m) { + const char *ifname; + int r; + + assert(l); + assert(l->manager); + assert(m); + + r = sd_rtnl_message_link_get_flags(m, &l->flags); + if (r < 0) + return r; + + r = sd_netlink_message_read_string(m, IFLA_IFNAME, &ifname); + if (r < 0) + return r; + + if (!streq(l->ifname, ifname)) { + char *new_ifname; + + new_ifname = strdup(ifname); + if (!new_ifname) + return -ENOMEM; + + hashmap_remove(l->manager->links_by_name, l->ifname); + free(l->ifname); + l->ifname = new_ifname; + + r = hashmap_put(l->manager->links_by_name, l->ifname, l); + if (r < 0) + return r; + } + + return 0; +} + +int link_update_monitor(Link *l) { + assert(l); + + l->operational_state = mfree(l->operational_state); + + sd_network_link_get_operational_state(l->ifindex, &l->operational_state); + + l->state = mfree(l->state); + + sd_network_link_get_setup_state(l->ifindex, &l->state); + + return 0; +} |