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https://bugs.freedesktop.org/show_bug.cgi?id=62605
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- Reword messages a bit
- Correct check whether EACCES is in the set of errors
- Don't complain if no journal files are found
- allocate Set object for errors lazily since in the best case we don't
need it at all.
- don't consider it an error if /run/log/journal doesn't exist (because
that's the usual case actually, if storage is enabled)
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There are many ways in which we can get those checks wrong, so it is
better to warn and then error out on a real access failure.
The error messages are wrapped to <80 lines, because their primary
use is to be displayed in the terminal, and it is easier to read them
this way. Reading them in the journal can be a bit trickier, but
this is a bug in logs-show.c.
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Seems natural to be able to specify relative directory,
e.g. with journalctl -D. And even if, this should be checked
in front-end code, not in the library.
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One log_debug() moved to match order in other functions.
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The man page says so. Right now 0 would be returned if the data was encrypted,
1 otherwise.
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Logs written by journald from the initramfs may be written to a
directory with the name created from a random machine-id. Afterwards,
when the root filesystem has been mounted and machine-id reinitalized,
logs will be written to the directory with a name created from the
proper machine-id. When logs are flushed to /var/log/journal,
everything is copied to one output directory.
When journalctl without '-m' is run after the logs have been flushed
to /var/log/journal, all messages are shown. However, when run while
logs are still in /run/log/journal, those stored under the random
machine-id will not be shown.
Make journalctl behave the same regardless whether persistent storage
has been enabled or not, and slurp all files from /run/log/journal
even without '-m'.
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Documentation states that 0 is correct, and all other
similar functions return 0 on success.
Pointed-out-by: Steven Hiscocks <steven-systemd@hiscocks.me.uk>
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This introduces a new data threshold setting for sd_journal objects
which controls the maximum size of objects to decompress. This is
relieves the library from having to decompress full data objects even
if a client program is only interested in the initial part of them.
This speeds up "systemd-coredumpctl" drastically when invoked without
parameters.
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entry for any message ID without requiring an open journal file
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Some filesystem magics are too big to fit in 31 bits,
and are wrapped to negative. f_type is an int on 32 bits, so
it is signed, and we get a warning on comparison.
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The message catalog can be used to attach short help texts to log lines,
keyed by their MESSAGE_ID= fields. This is useful to help the
administrator understand the context and cause of a message, find
possible solutions and find further related documentation.
Since this is keyed off MESSAGE_ID= this will only work for native
journal messages.
The message catalog supports i18n, and is useful to augment english
language system messages with explanations in the local language.
This commit only includes short explanatory messages for a few example
message IDs, we'll add more complete documentation for the relevant
systemd messages later on.
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to recheck the journal manually for changes in regular intervals
Network file systems generally do not offer inotify() that would work
across the network. We hence cannot rely on inotify() exclusiely in
those case. Provide an API to determine these cases, and suggest doing
manual regular rechecks.
Note that this is not complete yet, as we need to rescan journal dirs on
network file systems explicitly to find new/removed files
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entries of the journal
The new 'unique' API allows listing all unique field values that a field
specified by a field name can take in all entries of the journal. This
allows answering queries such as "What units logged to the journal?",
"What hosts have logged into the journal?", "Which boot IDs have logged
into the journal?".
Ultimately this allows implementation of tools similar to lastlog based
on journal data.
Note that listing these field values will not work for journal files
created with older journald, as the field values are not indexed in
older files.
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to show their details
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we had this mostly for debugging purposes and it was ignored when
parsing anyway, so let's get rid of it
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it exists, not one after it
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Make sure to allocate enough space for readdir_r().
https://bugzilla.redhat.com/show_bug.cgi?id=858754
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reposition the mmap window
The mmap cache doesn't guarantee that we can look at two files at the
same time. Hence make sure to look at the entries to compare one
after the other, instead of at the same time when comparing them, and
reposition the window in between.
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instead of having one simple per-file cache implement an more
comprehensive one that works for multiple files and can actually
maintain multiple maps per file and per object type.
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This adds forward-secure authentication of journal files. This patch
includes key generation as well as tagging of journal files,
Verification of journal files will be added in a later patch.
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If a journal file was rotated away because it was corrupted or dirty we
should still show its contents via "journalctl".
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The default of 2047 hash table entries turned out to result in way too
many collisions for bigger files, hence scale the hash table size by the
estimated maximum file size.
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Previously, when the main data hash table grows too full the performance
simply started to decrease drastically. Instead, now simply rotate to a
new journal file as the hash table gets to full, so that we can start
with a new fresh empty hash table.
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On Sun, Jul 15, 2012 at 2:00 PM, Koen Kooi <koen@dominion.thruhere.net> wrote:
> | src/journal/sd-journal.c: In function 'sd_journal_process':
> | src/journal/sd-journal.c:1891:21: warning: cast increases required alignment of target type [-Wcast-align]
> | src/journal/sd-journal.c:1900:29: warning: cast increases required alignment of target type [-Wcast-align]
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This is to match strappend() and the other string related functions.
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we now can take multiple matches, and they will apply as AND if they
apply to different fields and OR if they apply to the same fields. Also,
terms of this kind can be combined with an overreaching OR.
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With this we'll print a marker "----- Reboot -----" between two
subsequent lines with different boot IDs.
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There's now sd_journal_new_directory() for watching specific journal
directories. This is exposed in journalctl -D.
sd_journal_wait() and sd_journal_process() now return whether changes in
the journal are invalidating or just appending.
We now create inotify kernel watches only when we actually need them
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