static int dhcp6_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { if (link->rtnl_extended_attrs) { log_link_warning(link, "Could not set extended netlink attributes, reverting to fallback mechanism"); link->rtnl_extended_attrs = false; dhcp6_lease_address_acquired(link->dhcp6_client, link); return 1; } log_link_error_errno(link, r, "Could not set DHCPv6 address: %m"); link_enter_failed(link); } else if (r >= 0) manager_rtnl_process_address(rtnl, m, link->manager); return 1; }
static void dhcp6_handler(sd_dhcp6_client *client, int event, void *userdata) { int r; Link *link = userdata; assert(link); assert(link->network); assert(link->manager); if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return; switch(event) { case SD_DHCP6_CLIENT_EVENT_STOP: case SD_DHCP6_CLIENT_EVENT_RESEND_EXPIRE: case SD_DHCP6_CLIENT_EVENT_RETRANS_MAX: if (sd_dhcp6_client_get_lease(client, NULL) >= 0) log_link_warning(link, "DHCPv6 lease lost"); link->dhcp6_configured = false; break; case SD_DHCP6_CLIENT_EVENT_IP_ACQUIRE: r = dhcp6_lease_address_acquired(client, link); if (r < 0) { link_enter_failed(link); return; } /* fall through */ case SD_DHCP6_CLIENT_EVENT_INFORMATION_REQUEST: r = dhcp6_lease_information_acquired(client, link); if (r < 0) { link_enter_failed(link); return; } link->dhcp6_configured = true; break; default: if (event < 0) log_link_warning_errno(link, event, "DHCPv6 error: %m"); else log_link_warning(link, "DHCPv6 unknown event: %d", event); return; } link_check_ready(link); }
static void dhcp6_handler(sd_dhcp6_client *client, int event, void *userdata) { int r; Link *link = userdata; assert(link); assert(link->network); assert(link->manager); if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) return; switch(event) { case DHCP6_EVENT_STOP: case DHCP6_EVENT_RESEND_EXPIRE: case DHCP6_EVENT_RETRANS_MAX: log_link_debug(link, "DHCPv6 event %d", event); break; case DHCP6_EVENT_IP_ACQUIRE: r = dhcp6_lease_address_acquired(client, link); if (r < 0) { link_enter_failed(link); return; } /* fall through */ case DHCP6_EVENT_INFORMATION_REQUEST: r = dhcp6_lease_information_acquired(client, link); if (r < 0) { link_enter_failed(link); return; } break; default: if (event < 0) log_link_warning(link, "DHCPv6 error: %s", strerror(-event)); else log_link_warning(link, "DHCPv6 unknown event: %d", event); return; } }