/**
* of1x_destroy_timer_group removes a timer_group and frees the memory
* This function is NOT thread safe, you must lock the timer before.
*/
static void of1x_destroy_timer_group(of1x_timer_group_t* tg, of1x_flow_table_t* table)
{
if(tg->prev)
(tg->prev)->next=tg->next;
else if(table->timers == tg)
table->timers = tg->next;
if(tg->next)
(tg->next)->prev=tg->prev;
platform_free_shared(tg);
tg = NULL;
}
void of1x_destroy_action_group(of1x_action_group_t* group){
of1x_packet_action_t* it,*next;
if( unlikely(group==NULL) )
return;
for(it=group->head;it;it=next){
next = it->next;
of1x_destroy_packet_action(it);
}
platform_free_shared(group);
}
//Init&destroy
platform_rwlock_t* platform_rwlock_init(void* params){
pthread_rwlock_t* rwlock = (pthread_rwlock_t*)platform_malloc_shared(sizeof(pthread_rwlock_t));
if(!rwlock)
return NULL;
if(pthread_rwlock_init(rwlock, params) < 0){
platform_free_shared(rwlock);
return NULL;
}
return (platform_rwlock_t*)rwlock;
}
//Init&destroy
platform_mutex_t* platform_mutex_init(void* params){
pthread_mutex_t* mutex = (pthread_mutex_t*)platform_malloc_shared(sizeof(pthread_mutex_t));
if(!mutex)
return NULL;
if( pthread_mutex_init(mutex, params) < 0){
platform_free_shared(mutex);
return NULL;
}
return (platform_mutex_t*)mutex;
}
/**
* of1x_destroy_single_timer_entry_clean
* when the time comes the list of entries must be erased from the list
* This is ment to be used when a single entry is deleted.
*/
static rofl_result_t __of1x_destroy_single_timer_entry_clean(of1x_entry_timer_t* entry, of1x_flow_table_t * table)
{
if(likely(entry!=NULL))
{
if(!entry->next && !entry->prev) // this is the only entry
{
entry->group->list.head=NULL;
entry->group->list.tail=NULL;
}
else if(!entry->prev) //is the first entry
{
entry->group->list.head=entry->next;
entry->next->prev = NULL;
}
else if(!entry->next) //last entry
{
entry->group->list.tail=entry->prev;
entry->prev->next = NULL;
}
else
{
entry->next->prev = entry->prev;
entry->prev->next = entry->next;
}
entry->group->list.num_of_timers--;
#if ! OF1X_TIMER_STATIC_ALLOCATION_SLOTS
//we need to check if this entry was the last one and delete the timer group
if(entry->group->list.num_of_timers == 0)
__of1x_destroy_timer_group(entry->group,table);
#endif
platform_free_shared(entry);
entry = NULL;
return ROFL_SUCCESS;
} else {
ROFL_PIPELINE_DEBUG("<%s:%d> Not a valid timer entry %p\n",__func__,__LINE__,entry);
return ROFL_FAILURE;
}
}
//Destroy
void physical_switch_destroy(){
unsigned int i;
ROFL_PIPELINE_DEBUG("Destroying physical switch\n");
//Serialize
platform_mutex_lock(psw->mutex);
//Destroy logical switches
for(i=0;i<PHYSICAL_SWITCH_MAX_LS;i++){
if(psw->logical_switches[i])
of_destroy_switch(psw->logical_switches[i]);
}
//Destroying ports
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_PHY_PORTS;i++){
if( psw->physical_ports[i] != NULL ){
switch_port_destroy(psw->physical_ports[i]);
}
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_VIR_PORTS;i++){
if( psw->virtual_ports[i] != NULL ){
switch_port_destroy(psw->virtual_ports[i]);
}
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_TUN_PORTS;i++){
if( psw->tunnel_ports[i] != NULL ){
switch_port_destroy(psw->tunnel_ports[i]);
}
}
//Destroy monitoring
__monitoring_destroy(&psw->monitoring);
//Destroy mutex
platform_mutex_destroy(psw->mutex);
//destroy physical switch
platform_free_shared(psw);
}
void platform_rwlock_destroy(platform_rwlock_t* rwlock){
pthread_rwlock_destroy(rwlock);
platform_free_shared(rwlock);
}
void platform_mutex_destroy(platform_mutex_t* mutex){
pthread_mutex_destroy(mutex);
platform_free_shared(mutex);
}
/*
* Common destructor
*/
void of1x_destroy_match(of1x_match_t* match){
__destroy_utern(match->__tern);
platform_free_shared(match);
}
void dpid_list_destroy(dpid_list_t* list){
platform_free_shared(list->dpids);
platform_free_shared(list);
}
//List of ports
switch_port_name_list_t* physical_switch_get_all_port_names(void){
switch_port_name_list_t* list;
__switch_port_name_t* names;
unsigned int num_of_ports, i;
//Serialize
platform_mutex_lock(psw->mutex);
//Determine the number of (currenly) exisitng ports
num_of_ports=0;
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_PHY_PORTS;i++){
if(psw->physical_ports[i])
num_of_ports++;
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_TUN_PORTS;i++){
if(psw->tunnel_ports[i])
num_of_ports++;
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_VIR_PORTS;i++){
if(psw->virtual_ports[i])
num_of_ports++;
}
//Allocate memory
list = platform_malloc_shared(sizeof(switch_port_name_list_t));
names = platform_malloc_shared(sizeof(__switch_port_name_t)*num_of_ports);
if(!list || !names){
platform_mutex_unlock(psw->mutex);
if(list)
platform_free_shared(list);
if(names)
platform_free_shared(names);
return NULL;
}
//Fill in
list->names = names;
list->num_of_ports = num_of_ports;
num_of_ports=0;
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_PHY_PORTS;i++){
if(psw->physical_ports[i]){
memcpy(&list->names[num_of_ports], &psw->physical_ports[i]->name, SWITCH_PORT_MAX_LEN_NAME);
num_of_ports++;
}
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_TUN_PORTS;i++){
if(psw->tunnel_ports[i]){
memcpy(&list->names[num_of_ports], &psw->tunnel_ports[i]->name, SWITCH_PORT_MAX_LEN_NAME);
num_of_ports++;
}
}
for(i=0;i<PHYSICAL_SWITCH_MAX_NUM_VIR_PORTS;i++){
if(psw->virtual_ports[i]){
memcpy(&list->names[num_of_ports], &psw->virtual_ports[i]->name, SWITCH_PORT_MAX_LEN_NAME);
num_of_ports++;
}
}
platform_mutex_unlock(psw->mutex);
return list;
}
void __of1x_destroy_write_actions(of1x_write_actions_t* write_actions){
platform_free_shared(write_actions);
}
void of1x_destroy_packet_action(of1x_packet_action_t* action){
platform_free_shared(action);
}