src/adaptation/icap/History.h

   1 /*
   2  * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_ICAPHISTORY_H
  10 #define SQUID_ICAPHISTORY_H
  11
  12 #include "base/RefCount.h"
  13 #include "enums.h"
  14 #include "LogTags.h"
  15 #include "SquidString.h"
  16
  17 namespace Adaptation
  18 {
  19 namespace Icap
  20 {
  21
  22 /// collects information about ICAP processing related to an HTTP transaction
  23 class History: public RefCountable
  24 {
  25 public:
  26     typedef RefCount<History> Pointer;
  27
  28     History();
  29
  30     /// record the start of an ICAP processing interval
  31     void start(const char *context);
  32     /// note the end of an ICAP processing interval
  33     void stop(const char *context);
  34
  35     /// the total time of all ICAP processing intervals
  36     /// \param[out] total time taken for all ICAP processing
  37     void processingTime(struct timeval &total) const;
  38
  39     String rfc931; ///< the username from ident
  40 #if USE_OPENSSL
  41     String ssluser; ///< the username from SSL
  42 #endif
  43     LogTags logType; ///< the squid request status (TCP_MISS etc)
  44
  45     String log_uri; ///< the request uri
  46     size_t req_sz; ///< the request size
  47
  48 private:
  49     void currentTime(struct timeval &) const; ///< time since current start or zero
  50
  51     timeval currentStart; ///< when the current processing interval started
  52     struct timeval pastTime; ///< sum of closed processing interval durations
  53     int concurrencyLevel; ///< number of concurrent processing threads
  54 };
  55
  56 } // namespace Icap
  57 } // namespace Adaptation
  58
  59 #endif /*SQUID_HISTORY_H*/
  60