src/HierarchyLogEntry.h

   1 /*
   2  * Copyright (C) 1996-2015 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_HTTPHIERARCHYLOGENTRY_H
  10 #define SQUID_HTTPHIERARCHYLOGENTRY_H
  11
  12 #include "comm/Connection.h"
  13 #include "enums.h"
  14 #include "hier_code.h"
  15 #include "http/StatusCode.h"
  16 #include "lookup_t.h"
  17 #include "PingData.h"
  18 #include "rfc2181.h"
  19
  20 class HierarchyLogEntry
  21 {
  22
  23 public:
  24     HierarchyLogEntry();
  25     ~HierarchyLogEntry() { tcpServer = NULL; };
  26
  27     /// Record details from a new server connection.
  28     /// call this whenever the destination server changes.
  29     void note(const Comm::ConnectionPointer &server, const char *requestedHost);
  30
  31     /// Start recording total time spent communicating with peers
  32     void startPeerClock();
  33     /**
  34      * Record total time spent communicating with peers
  35      * \param force whether to overwrite old recorded value if any
  36      */
  37     void stopPeerClock(const bool force);
  38
  39     /// Return the total time spent communicating with peers
  40     void totalResponseTime(struct timeval &responseTime);
  41
  42 public:
  43     hier_code code;
  44     char host[SQUIDHOSTNAMELEN];
  45     ping_data ping;
  46     char cd_host[SQUIDHOSTNAMELEN]; /* the host of selected by cd peer */
  47     lookup_t cd_lookup;     /* cd prediction: none, miss, hit */
  48     int n_choices;      /* #peers we selected from (cd only) */
  49     int n_ichoices;     /* #peers with known rtt we selected from (cd only) */
  50
  51     struct timeval peer_select_start;
  52
  53     struct timeval store_complete_stop;
  54
  55     Http::StatusCode peer_reply_status; ///< last HTTP status code received
  56     timeval peer_http_request_sent; ///< last peer finished writing req
  57     struct timeval peer_response_time; ///< last peer response delay
  58     Comm::ConnectionPointer tcpServer; ///< TCP/IP level details of the last peer/server connection
  59     int64_t bodyBytesRead;  ///< number of body bytes received from the next hop or -1
  60
  61 private:
  62     timeval firstConnStart_; ///< first connection use among all peers
  63     struct timeval totalResponseTime_; ///< cumulative for all peers
  64 };
  65
  66 #endif /* SQUID_HTTPHIERARCHYLOGENTRY_H */
  67