diff options
Diffstat (limited to 'src/libsystemd-network/sd-dhcp6-lease.c')
-rw-r--r-- | src/libsystemd-network/sd-dhcp6-lease.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/libsystemd-network/sd-dhcp6-lease.c b/src/libsystemd-network/sd-dhcp6-lease.c new file mode 100644 index 0000000000..41d6a5aa1a --- /dev/null +++ b/src/libsystemd-network/sd-dhcp6-lease.c @@ -0,0 +1,139 @@ +/*** + This file is part of systemd. + + Copyright (C) 2014 Tom Gundersen + Copyright (C) 2014 Intel Corporation. All rights reserved. + + 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 <errno.h> + +#include "util.h" + +#include "dhcp6-lease-internal.h" + +int dhcp6_lease_clear_timers(DHCP6IA *ia) { + assert_return(ia, -EINVAL); + + ia->timeout_t1 = sd_event_source_unref(ia->timeout_t1); + ia->timeout_t2 = sd_event_source_unref(ia->timeout_t2); + + return 0; +} + +DHCP6IA *dhcp6_lease_free_ia(DHCP6IA *ia) { + DHCP6Address *address; + + if (!ia) + return NULL; + + dhcp6_lease_clear_timers(ia); + + while (ia->addresses) { + address = ia->addresses; + + LIST_REMOVE(addresses, ia->addresses, address); + + free(address); + } + + return NULL; +} + +int dhcp6_lease_set_serverid(sd_dhcp6_lease *lease, const uint8_t *id, + size_t len) { + assert_return(lease, -EINVAL); + assert_return(id, -EINVAL); + + free(lease->serverid); + + lease->serverid = memdup(id, len); + if (!lease->serverid) + return -EINVAL; + + lease->serverid_len = len; + + return 0; +} + +int dhcp6_lease_get_serverid(sd_dhcp6_lease *lease, uint8_t **id, size_t *len) { + assert_return(lease, -EINVAL); + assert_return(id, -EINVAL); + assert_return(len, -EINVAL); + + *id = lease->serverid; + *len = lease->serverid_len; + + return 0; +} + +int dhcp6_lease_set_preference(sd_dhcp6_lease *lease, uint8_t preference) { + assert_return(lease, -EINVAL); + + lease->preference = preference; + + return 0; +} + +int dhcp6_lease_get_preference(sd_dhcp6_lease *lease, uint8_t *preference) { + assert_return(lease, -EINVAL); + assert_return(preference, -EINVAL); + + *preference = lease->preference; + + return 0; +} + +int dhcp6_lease_get_iaid(sd_dhcp6_lease *lease, be32_t *iaid) { + assert_return(lease, -EINVAL); + assert_return(iaid, -EINVAL); + + *iaid = lease->ia.id; + + return 0; +} + +sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease) { + if (lease) + assert_se(REFCNT_INC(lease->n_ref) >= 2); + + return lease; +} + +sd_dhcp6_lease *sd_dhcp6_lease_unref(sd_dhcp6_lease *lease) { + if (lease && REFCNT_DEC(lease->n_ref) <= 0) { + free(lease->serverid); + dhcp6_lease_free_ia(&lease->ia); + + free(lease); + } + + return NULL; +} + +int dhcp6_lease_new(sd_dhcp6_lease **ret) { + sd_dhcp6_lease *lease; + + lease = new0(sd_dhcp6_lease, 1); + if (!lease) + return -ENOMEM; + + lease->n_ref = REFCNT_INIT; + + LIST_HEAD_INIT(lease->ia.addresses); + + *ret = lease; + return 0; +} |