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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "responsestats.hh"
#include <limits>
#include "namespaces.hh"
#include "logger.hh"
#include "dnsparser.hh"
ResponseStats::ResponseStats() : d_qtypecounters(new std::atomic<unsigned long>[65536])
{
d_sizecounters.push_back(make_pair(20,0));
d_sizecounters.push_back(make_pair(40,0));
d_sizecounters.push_back(make_pair(60,0));
d_sizecounters.push_back(make_pair(80,0));
d_sizecounters.push_back(make_pair(100,0));
d_sizecounters.push_back(make_pair(150,0));
for(int n=200; n < 65000 ; n+=200)
d_sizecounters.push_back(make_pair(n,0));
d_sizecounters.push_back(make_pair(std::numeric_limits<uint16_t>::max(),0));
}
ResponseStats g_rs;
static bool pcomp(const pair<uint16_t, uint64_t>&a , const pair<uint16_t, uint64_t>&b)
{
return a.first < b.first;
}
void ResponseStats::submitResponse(uint16_t qtype, uint16_t respsize, bool udpOrTCP)
{
d_qtypecounters[qtype]++;
pair<uint16_t, uint64_t> s(respsize, 0);
sizecounters_t::iterator iter = std::upper_bound(d_sizecounters.begin(), d_sizecounters.end(), s, pcomp);
if(iter!= d_sizecounters.begin())
--iter;
iter->second++;
}
map<uint16_t, uint64_t> ResponseStats::getQTypeResponseCounts()
{
map<uint16_t, uint64_t> ret;
uint64_t count;
for(unsigned int i = 0 ; i < 65535 ; ++i) {
count= d_qtypecounters[i];
if(count)
ret[i]=count;
}
return ret;
}
map<uint16_t, uint64_t> ResponseStats::getSizeResponseCounts()
{
map<uint16_t, uint64_t> ret;
for(sizecounters_t::const_iterator iter = d_sizecounters.begin();
iter != d_sizecounters.end();
++iter) {
ret[iter->first]=iter->second;
}
return ret;
}
string ResponseStats::getQTypeReport()
{
typedef map<uint16_t, uint64_t> qtypenums_t;
qtypenums_t qtypenums = getQTypeResponseCounts();
ostringstream os;
boost::format fmt("%s\t%d\n");
for(const qtypenums_t::value_type& val : qtypenums) {
os << (fmt %DNSRecordContent::NumberToType( val.first) % val.second).str();
}
return os.str();
}
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