src/adaptation/icap/History.h

   1 #ifndef SQUID_ICAPHISTORY_H
   2 #define SQUID_ICAPHISTORY_H
   3
   4 #include "RefCount.h"
   5 #include "HttpHeader.h"
   6 #include "enums.h"
   7
   8 namespace Adaptation
   9 {
  10 namespace Icap
  11 {
  12
  13 /// collects information about ICAP processing related to an HTTP transaction
  14 class History: public RefCountable
  15 {
  16 public:
  17     typedef RefCount<History> Pointer;
  18
  19     History();
  20     History(const History& ih);
  21
  22     ~History();
  23
  24     History& operator=(const History& ih);
  25
  26     ///store the last reply header from ICAP server
  27     void setIcapLastHeader(const HttpHeader * lih);
  28     ///merge new header and stored one
  29     void mergeIcapHeaders(const HttpHeader * lih);
  30
  31     /// record the start of an ICAP processing interval
  32     void start(const char *context);
  33     /// note the end of an ICAP processing interval
  34     void stop(const char *context);
  35
  36     /// returns the total time of all ICAP processing intervals
  37     int processingTime() const;
  38
  39     HttpHeader mergeOfIcapHeaders; ///< Merge of REQMOD and RESPMOD responses. If both responses contain the header, the one from the last response will be used
  40     HttpHeader lastIcapHeader; ///< Last received reply from ICAP server
  41     String rfc931; ///< the username from ident
  42 #if USE_SSL
  43     String ssluser; ///< the username from SSL
  44 #endif
  45     log_type logType; ///< the squid request status (TCP_MISS etc)
  46
  47     String log_uri; ///< the request uri
  48     size_t req_sz; ///< the request size
  49
  50 private:
  51     void assign(const History &);
  52
  53     int currentTime() const; ///< time since current start or zero
  54
  55     timeval currentStart; ///< when the current processing interval started
  56     int pastTime;         ///< sum of closed processing interval durations
  57     int concurrencyLevel; ///< number of concurrent processing threads
  58 };
  59
  60 } // namespace Icap
  61 } // namespace Adaptation
  62
  63 #endif /*SQUID_HISTORY_H*/