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Signed-off-by: Christian Hopps <chopps@labn.net>
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Done with a combination of regex'ing and banging my head against a wall.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Rather than running selected source files through the preprocessor and a
bunch of perl regex'ing to get the list of all DEFUNs, use the data
collected in frr.xref.
This not only eliminates issues we've been having with preprocessor
failures due to nonexistent header files, but is also much faster.
Where extract.pl would take 5s, this now finishes in 0.2s. And since
this is a non-parallelizable build step towards the end of the build
(dependent on a lot of other things being done already), the speedup is
actually noticeable.
Also files containing CLI no longer need to be listed in `vtysh_scan`
since the .xref data covers everything. `#ifndef VTYSH_EXTRACT_PL`
checks are equally obsolete.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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lib: rotate log file supplied by command line
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This provides direct raw log output with full metadata directly at
startup regardless of configuration details.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Call `zlog_file_rotate` for command file lines as well otherwise on
`SIGUSR1` the old descriptor will still be used and no new log file will
be created for the rotation.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
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systemd sets up environment variables to allow autodetecting and
switching the log format to journald native. Make use of that for the
stdout logging target.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Not much to say here, user docs are coming up in a separate commit.
RFC5424 and (systemd's) journald allow passing structured key-value
data. This stuffs the metadata we have available into there.
The "does the system syslogd support RFC5424" question is unfortunately
not easily answered, so we can only give an affirmative answer on NetBSD
5.0+ or FreeBSD 12+.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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i.e. to whoever cares, since some unique IDs (from libfrr) are valid
everywhere but some others (from the daemons) only apply to specific
daemons.
(Default handling aborts on first error, so configuring any unique IDs
that don't exist on the first daemon vtysh connects to just failed
before this.)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Looks much prettier if `libunwind` is available, but works with glibc or
libexecinfo's `backtrace()` too.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Might've made a few things too many `static` there.
Signed-off-by: David Lamparter <equinox@diac24.net>
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... so additional targets can print their state.
Signed-off-by: David Lamparter <equinox@diac24.net>
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`log-filter WORD` was giving me a serious headache since it also matches
`log WORD` due to the way the CLI token handling works. This meant that
a mistyped `log something` command would silently be interpreted as a
filter string, causing me serious headscratching and WTFs until I
figured what was going on.
Remove this UX pitfall so noone else falls into it. (Since the command
was never saved to config, renaming it shouldn't cause trouble.)
[Also I apparently forgot to update the docs when I transferred this
over to the new zlog bits...]
TODO for a rainy day: since we collect all the CLI commands anyway, we
should warn somewhere for "2nd level ambiguous" commands like this.
Signed-off-by: David Lamparter <equinox@diac24.net>
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Add a cli to control immediate-output mode for logs and debugs.
Add this to the user docs also.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
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Rather than copying everything over, include the file in vtysh_scan for
automatic pickup.
Signed-off-by: David Lamparter <equinox@diac24.net>
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This logs the unique ID prefix from the xref that each log message call
has, and adds on/off knobs for both EC and unique ID printing.
Signed-off-by: David Lamparter <equinox@diac24.net>
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See previous commit.
Signed-off-by: David Lamparter <equinox@diac24.net>
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truncation warnings on old compilers
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Take care of some more complicated cases by hand
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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This is most of the old code bolted on top of the new "backend"
infrastructure. It just wraps around zlog_fd() with the string search.
Originally-by: Stephen Worley <sworley@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@diac24.net>
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This is a full rewrite of the "back end" logging code. It now uses a
lock-free list to iterate over logging targets, and the targets
themselves are as lock-free as possible. (syslog() may have a hidden
internal mutex in the C library; the file/fd targets use a single
write() call which should ensure atomicity kernel-side.)
Note that some functionality is lost in this patch:
- Solaris printstack() backtraces are ditched (unlikely to come back)
- the `log-filter` machinery is gone (re-added in followup commit)
- `terminal monitor` is temporarily stubbed out. The old code had a
race condition with VTYs going away. It'll likely come back rewritten
and with vtysh support.
- The `zebra_ext_log` hook is gone. Instead, it's now much easier to
add a "proper" logging target.
v2: TLS buffer to get some actual performance
Signed-off-by: David Lamparter <equinox@diac24.net>
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Use %% style for errors in log commands and switch
tabs to a single space in output. Also, remove un-needed
output for success.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Add vtysh commands to add/del/clear/show filters across
all daemons and independently on each one. Add automake and
clippy boilerplate for those commands as well.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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