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logsys: add macros to pack/unpack rec_ident

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rec_ident should contain 3 info: log level, subsystem id and
message type.



git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2249 fd59a12c-fef9-0310-b244-a6a79926bd2f
This commit is contained in:
Fabio M. Di Nitto 2009-06-18 05:29:51 +00:00
parent 7595cd31e7
commit 924b967ac4
1 changed files with 60 additions and 11 deletions
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71
include/corosync/engine/logsys.h
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@ -77,17 +77,20 @@ extern "C" {
* RECID_LOG indicates a message that should be sent to log. Anything else
* is stored only in the flight recorder.
*/
#define LOGSYS_RECID_LOG UINT_MAX - 1
#define LOGSYS_RECID_ENTER UINT_MAX - 2
#define LOGSYS_RECID_LEAVE UINT_MAX - 3
#define LOGSYS_RECID_TRACE1 UINT_MAX - 4
#define LOGSYS_RECID_TRACE2 UINT_MAX - 5
#define LOGSYS_RECID_TRACE3 UINT_MAX - 6
#define LOGSYS_RECID_TRACE4 UINT_MAX - 7
#define LOGSYS_RECID_TRACE5 UINT_MAX - 8
#define LOGSYS_RECID_TRACE6 UINT_MAX - 9
#define LOGSYS_RECID_TRACE7 UINT_MAX - 10
#define LOGSYS_RECID_TRACE8 UINT_MAX - 11
#define LOGSYS_RECID_MAX ((UINT_MAX) >> LOGSYS_SUBSYSID_END)
#define LOGSYS_RECID_LOG (LOGSYS_RECID_MAX - 1)
#define LOGSYS_RECID_ENTER (LOGSYS_RECID_MAX - 2)
#define LOGSYS_RECID_LEAVE (LOGSYS_RECID_MAX - 3)
#define LOGSYS_RECID_TRACE1 (LOGSYS_RECID_MAX - 4)
#define LOGSYS_RECID_TRACE2 (LOGSYS_RECID_MAX - 5)
#define LOGSYS_RECID_TRACE3 (LOGSYS_RECID_MAX - 6)
#define LOGSYS_RECID_TRACE4 (LOGSYS_RECID_MAX - 7)
#define LOGSYS_RECID_TRACE5 (LOGSYS_RECID_MAX - 8)
#define LOGSYS_RECID_TRACE6 (LOGSYS_RECID_MAX - 9)
#define LOGSYS_RECID_TRACE7 (LOGSYS_RECID_MAX - 10)
#define LOGSYS_RECID_TRACE8 (LOGSYS_RECID_MAX - 11)
/*
@ -104,6 +107,52 @@ extern "C" {
#define LOGSYS_MAX_SUBSYS_COUNT 64
#define LOGSYS_MAX_SUBSYS_NAMELEN 64
/*
* rec_ident explained:
*
* rec_ident is an unsigned int and carries bitfields information
* on subsys_id, log priority (level) and type of message (RECID).
*
* level values are imported from syslog.h.
* At the time of writing it's a 3 bits value (0 to 7).
*
* subsys_id is any value between 0 and 64 (LOGSYS_MAX_SUBSYS_COUNT)
*
* RECID identifies the type of message. A set of predefined values
* are available via logsys, but other custom values can be defined
* by users.
*
* ----
* bitfields:
*
* 0 - 2 level
* 3 - 9 subsysid
* 10 - n RECID
*/
#define LOGSYS_LEVEL_END (3)
#define LOGSYS_SUBSYSID_END (LOGSYS_LEVEL_END + 7)
#define LOGSYS_RECID_LEVEL_MASK (LOG_PRIMASK)
#define LOGSYS_RECID_SUBSYSID_MASK ((2 << (LOGSYS_SUBSYSID_END - 1)) - \
(LOG_PRIMASK + 1))
#define LOGSYS_RECID_RECID_MASK (UINT_MAX - \
(LOGSYS_RECID_SUBSYSID_MASK + LOG_PRIMASK))
#define LOGSYS_ENCODE_RECID(level,subsysid,recid) \
(((recid) << LOGSYS_SUBSYSID_END) | \
((subsysid) << LOGSYS_LEVEL_END) | \
(level))
#define LOGSYS_DECODE_LEVEL(rec_ident) \
((rec_ident) & LOGSYS_RECID_LEVEL_MASK)
#define LOGSYS_DECODE_SUBSYSID(rec_ident) \
(((rec_ident) & LOGSYS_RECID_SUBSYSID_MASK) >> LOGSYS_LEVEL_END)
#define LOGSYS_DECODE_RECID(rec_ident) \
(((rec_ident) & LOGSYS_RECID_RECID_MASK) >> LOGSYS_SUBSYSID_END)
#ifndef LOGSYS_UTILS_ONLY
extern int _logsys_system_setup(