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27 Commits

Author SHA1 Message Date
Angus Salkeld
c69713e5f9 Make sure we don't use the format string whilst it is getting changed. 
Just add a rwlock around the usage.
Move qb_log_format_set() to log_format.c to make this easier.

Fixes #45

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-12-10 10:32:31 +11:00
Angus Salkeld
a55554efb1 LOG: change qb_vsprintf_serialize() into qb_vsnprintf_serialize() 
This is to prevent overwriting the ringbuffer.
Also remove stpcpy() as it is not used anymore.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-08-29 21:40:40 +10:00
Angus Salkeld
b52f2e37b3 LOG: make it possible to fsync() on each file log. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-06-05 12:07:35 +10:00
Angus Salkeld
d280ddd6e4 LOG: put all fields in the blackbox (added priority and tags) 
Fixes #36

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-05-28 22:23:22 +10:00
Angus Salkeld
504e000cb8 LOG: add a hostname %H format specifier. 
This is useful when logging to file on a cluster.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-02-15 17:34:45 +11:00
Angus Salkeld
b711f73ce7 LOG: add %N (log name) as a format option 
This will log the name passed into qb_log_init()

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2012-01-09 16:02:53 +11:00
Angus Salkeld
0a1c464514 LOG: add qb_log_filter_ctl2() so we can filter a range of priorities 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-09-09 14:09:02 +10:00
Angus Salkeld
f5fcf2a30b LOG: add a way of getting the target state 
This is so we can do the following:

for (t = 0; t < QB_LOG_TARGET_MAX; t++) {
    if (qb_log_ctl(t, QB_LOG_CONF_STATE_GET, 0) == QB_LOG_STATE_ENABLED) {
        // bla bla
    }
}

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-09-08 16:40:02 +10:00
Angus Salkeld
1591075873 LOG: serialize the va_list, don't snprintf 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-08-22 10:29:48 +10:00
Angus Salkeld
523922b202 LOG: change active list into array access 
just keep track of the max used targets

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-08-19 12:44:37 +10:00
Angus Salkeld
048edde19c LOG: add custom targets 
This is partly to make the tests more robusts and
to add some more flexibility to the logging.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-05-23 20:28:18 +10:00
Angus Salkeld
6f73dd2993 LOG: make all priorities uint8_t 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-18 22:54:13 +10:00
Angus Salkeld
b7e83fd3b2 LOG: add dynamic callsites (for platforms that don't support __attribute__(section) 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-14 16:05:38 +10:00
Angus Salkeld
78541f5198 LOG: add the ability to adjust the priority sent to syslog() 
If you have:
qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD,
		  QB_LOG_FILTER_FILE, "hack.c", LOG_DEBUG);
these logs will not make there way to /var/log/messags
without reconfiguring syslog.

So to help on the fly debugging do the following:
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_PRIORITY_BUMP,
	   LOG_INFO - LOG_DEBUG);

Now all messages that have the QB_LOG_SYSLOG target set
will have their priority bumped before going to syslog().

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-12 22:20:50 +10:00
Angus Salkeld
249546a9e7 LOG: teach filter_ctl() to write tags 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-06 22:27:53 +10:00
Angus Salkeld
aefae42937 LOG: support dynamically loaded modules 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-06 21:41:13 +10:00
Angus Salkeld
631f56b8d6 LOG: move formatting code into new file 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-01 15:05:16 +11:00
Angus Salkeld
7f0d983f49 LOG: add a qb_log_fini() to cleanup 
This replaces qb_log_thread_stop() but also release shared mem

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-04-01 14:50:51 +11:00
Angus Salkeld
fe3a360279 LOG: keep a list of active targets to speed iteration 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-31 21:32:30 +11:00
Angus Salkeld
34c96d57e5 LOG: deal better with timestamps 
1) use gettimeofday() - suprisingly faster than clock_gettime(MONOTONIC)
2) don't format the time until it is needed
3) insert time_t into the blackbox (not a formatted string)

This improves performance and tidies the code up.
It also requires less space in the blackbox.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-31 21:30:12 +11:00
Angus Salkeld
a66b7c8a86 LOG: fix minor compile warning 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-31 21:21:26 +11:00
Angus Salkeld
34ee74db55 LOG: add a format option to each target. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-30 23:06:41 +11:00
Angus Salkeld
2836e5bcf9 LOG: add the ability to import logs from other sources. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-30 21:17:50 +11:00
Angus Salkeld
32817adb15 LOG: re-work the API to be easier to use. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-30 11:46:36 +11:00
Angus Salkeld
2956f9ef29 LOG: add a timestamp to the log handler 
This makes sure that the timestamp is correct at the time
the call to qb_log() was called.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-27 22:57:58 +11:00
Angus Salkeld
5bddb0fe68 LOG: add threaded logging (non-blocking) 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-25 23:35:35 +11:00
Angus Salkeld
34905e197c LOG: create a common header 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2011-03-25 23:35:04 +11:00