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/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2015 Nicira, Inc.
* Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include "lldpd-structs.h"
#include <stdlib.h>
#include <unistd.h>
#include "lldpd.h"
#include "timeval.h"
VLOG_DEFINE_THIS_MODULE(lldpd_structs);
void
lldpd_chassis_mgmt_cleanup(struct lldpd_chassis *chassis)
{
struct lldpd_mgmt *mgmt;
VLOG_DBG("cleanup management addresses for chassis %s",
chassis->c_name ? chassis->c_name : "(unknown)");
LIST_FOR_EACH_POP (mgmt, m_entries, &chassis->c_mgmt) {
free(mgmt);
}
ovs_list_init(&chassis->c_mgmt);
}
void
lldpd_chassis_cleanup(struct lldpd_chassis *chassis, bool all)
{
lldpd_chassis_mgmt_cleanup(chassis);
VLOG_DBG("cleanup chassis %s",
chassis->c_name ? chassis->c_name : "(unknown)");
free(chassis->c_id);
free(chassis->c_name);
free(chassis->c_descr);
if (all) {
free(chassis);
}
}
/* Cleanup a remote port. The before last argument, `expire` is a function that
* should be called when a remote port is removed. If the last argument is
* true, all remote ports are removed.
*/
void
lldpd_remote_cleanup(struct lldpd_hardware *hw,
void(*expire)(struct lldpd_hardware *,
struct lldpd_port *),
bool all)
{
struct lldpd_port *port;
time_t now = time_now();
VLOG_DBG("cleanup remote port on %s", hw->h_ifname);
LIST_FOR_EACH_SAFE (port, p_entries, &hw->h_rports) {
bool del = all;
if (!all && expire &&
(now >= port->p_lastupdate + port->p_chassis->c_ttl)) {
hw->h_ageout_cnt++;
hw->h_delete_cnt++;
del = true;
}
if (del) {
if (expire) {
expire(hw, port);
}
if (!all) {
ovs_list_remove(&port->p_entries);
}
lldpd_port_cleanup(port, true);
free(port);
}
}
if (all) {
ovs_list_init(&hw->h_rports);
}
}
/* Cleanup the auto-attach mappings attached to port.
*/
static void
lldpd_aa_maps_cleanup(struct lldpd_port *port)
{
struct lldpd_aa_isid_vlan_maps_tlv *isid_vlan_map = NULL;
if (!ovs_list_is_empty(&port->p_isid_vlan_maps)) {
LIST_FOR_EACH_SAFE (isid_vlan_map, m_entries,
&port->p_isid_vlan_maps) {
ovs_list_remove(&isid_vlan_map->m_entries);
free(isid_vlan_map);
}
ovs_list_init(&port->p_isid_vlan_maps);
}
}
/* If `all' is true, clear all information, including information that
are not refreshed periodically. Port should be freed manually. */
void
lldpd_port_cleanup(struct lldpd_port *port, bool all)
{
/* We set these to NULL so we don't free wrong memory */
free(port->p_id);
port->p_id = NULL;
free(port->p_descr);
port->p_descr = NULL;
/* Cleanup auto-attach mappings */
lldpd_aa_maps_cleanup(port);
if (all) {
free(port->p_lastframe);
/* Chassis may not have been attributed, yet.*/
if (port->p_chassis) {
port->p_chassis->c_refcount--;
port->p_chassis = NULL;
}
}
}
void
lldpd_config_cleanup(struct lldpd_config *config)
{
VLOG_DBG("general configuration cleanup");
free(config->c_mgmt_pattern);
free(config->c_cid_pattern);
free(config->c_iface_pattern);
free(config->c_platform);
free(config->c_description);
}
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