2 * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
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.
9 #ifndef SQUID_SRC_LOGTAGS_H
10 #define SQUID_SRC_LOGTAGS_H
12 /** Squid transaction result code/tag set.
14 * These codes indicate how the request was received
15 * and some details about its processing pathway.
17 * see also http://wiki.squid-cache.org/SquidFaq/SquidLogs#Squid_result_codes
18 * for details on particular components.
24 LOG_TCP_REFRESH_UNMODIFIED
, // refresh from origin revalidated existing entry
25 LOG_TCP_REFRESH_FAIL_OLD
, // refresh from origin failed, stale reply sent
26 LOG_TCP_REFRESH_FAIL_ERR
, // refresh from origin failed, error forwarded
27 LOG_TCP_REFRESH_MODIFIED
, // refresh from origin replaced existing entry
28 LOG_TCP_CLIENT_REFRESH_MISS
,
30 LOG_TCP_SWAPFAIL_MISS
,
37 LOG_TCP_TUNNEL
, // a binary tunnel was established for this transaction
50 LogTags(LogTags_ot t
) : oldType(t
) {assert(oldType
< LOG_TYPE_MAX
);}
51 LogTags
&operator =(const LogTags_ot
&t
) {assert(t
< LOG_TYPE_MAX
); oldType
= t
; return *this;}
53 /// compute the status access.log field
54 const char *c_str() const;
56 /// determine if the log tag code indicates a cache HIT
57 bool isTcpHit() const;
59 /// error states terminating the transaction
61 Errors() : timedout(false), aborted(false) {}
63 bool timedout
; ///< tag: TIMEDOUT - terminated due to a lifetime or I/O timeout
64 bool aborted
; ///< tag: ABORTED - other abnormal termination (e.g., I/O error)
68 /// list of string representations for LogTags_ot
69 static const char *Str_
[];
71 public: // XXX: only until client_db.cc stats are redesigned.
73 // deprecated LogTag enum value
77 /// iterator for LogTags_ot enumeration
78 inline LogTags_ot
&operator++ (LogTags_ot
&aLogType
)
80 int tmp
= (int)aLogType
;
81 aLogType
= (LogTags_ot
)(++tmp
);