inline void lru_cache_cab::insert(const bucket* pbuck, const double & time)
{
assert(cache.size() + flow_table.size() <=_capacity);
buffer_check.insert(std::make_pair(pbuck, time)); // insert bucket as rec
cache.insert(container_T::value_type(pbuck, time)); // insert bucket
for (auto iter = pbuck->related_rules.begin(); iter != pbuck->related_rules.end(); iter++)
{
// rule_down_count += 1; // controller does not know which rules are kept in OFswtich
auto ins_rule_result = flow_table.insert(std::make_pair(*iter, 1));
if (!ins_rule_result.second)
++ins_rule_result.first->second;
else
++rule_down_count; // controller knows which rules are kept in OFswitch
}
while(cache.size() + flow_table.size() > _capacity) // kick out
{
const bucket * to_kick_buck = cache.right.begin()->second;
cache.right.erase(cache.right.begin());
buffer_check.erase(to_kick_buck);
for (auto iter = to_kick_buck->related_rules.begin(); iter != to_kick_buck->related_rules.end(); ++iter) // dec flow occupy no.
{
--flow_table[*iter];
if (flow_table[*iter] == 0)
flow_table.erase(*iter);
}
}
}
inline bool lru_cache_cab::ins_rec(const bucket * buck, const double & curT, bool newFlow)
{
const container_T::left_iterator iter = cache.left.find(buck);
if (iter == cache.left.end()) // cache miss
{
insert(buck, curT);
if (newFlow)
{
++delay_rec[20];
}
++cache_miss;
return true;
}
else // cache hit
{
cache.right.relocate(cache.right.end(),
cache.project_right(iter));
iter->second = curT;
double delay = curT-buffer_check.find(buck)->second;
if (newFlow)
{
++reuse_count;
if(delay < rtt)
{
assert (delay >= 0);
++delay_rec[int(20*(rtt-delay)/rtt)];
}
}
return false;
}
}
__inline__ void push(value_type const& data)
{
//bool const was_empty=mqueue.empty();
using namespace std;
{ //to unlock before notification
boost::mutex::scoped_lock lock(mmutex);
mqueue.push(data);
}
//if(was_empty)
//{
mcond.notify_one();
//}
}
__inline__ typename container_T::size_type size() const
{
boost::mutex::scoped_lock lock(mmutex);
return mqueue.size();
}
__inline__ bool empty() const
{
boost::mutex::scoped_lock lock(mmutex);
return mqueue.empty();
}
concurrent_base(){
while(!mqueue.empty())
mqueue.pop();
}
typename hash_T::digest_type
compute_digest_data(container_T const &c) {
return compute_digest_n<hash_T>(c.data(), c.size());
}
