src/adaptation/icap/History.cc

   1 #include "squid-old.h"
   2 #include "adaptation/icap/History.h"
   3 #include "globals.h"
   4 #include "SquidTime.h"
   5
   6 Adaptation::Icap::History::History():
   7         logType(LOG_TAG_NONE), req_sz(0),
   8         pastTime(0), concurrencyLevel(0)
   9 {
  10 }
  11
  12 void Adaptation::Icap::History::start(const char *context)
  13 {
  14     if (!concurrencyLevel++)
  15         currentStart = current_time;
  16
  17     debugs(93,4, HERE << "start " << context << " level=" << concurrencyLevel
  18            << " time=" << pastTime << ' ' << this);
  19 }
  20
  21 void Adaptation::Icap::History::stop(const char *context)
  22 {
  23     if (!concurrencyLevel) {
  24         debugs(93,1, HERE << "Internal error: poor history accounting " << this);
  25         return;
  26     }
  27
  28     const int current = currentTime();
  29     debugs(93,4, HERE << "stop " << context << " level=" << concurrencyLevel <<
  30            " time=" << pastTime << '+' << current << ' ' << this);
  31
  32     if (!--concurrencyLevel)
  33         pastTime += current;
  34 }
  35
  36 int Adaptation::Icap::History::processingTime() const
  37 {
  38     const int total = pastTime + currentTime();
  39     debugs(93,7, HERE << " current total: " << total << ' ' << this);
  40     return total;
  41 }
  42
  43 int Adaptation::Icap::History::currentTime() const
  44 {
  45     return concurrencyLevel > 0 ?
  46            max(0, tvSubMsec(currentStart, current_time)) : 0;
  47 }