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This allows the date-based filters to work much faster.
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This allows us to attach some additional metadata that is not found in
the PartialEvtc otherwise, such as the file name.
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They are usually within minutes of each other, but this has two
advantages:
1. The output is consistent with the filename (and probably the file
creation date, if it has been preserved)
2. Due to 1., this means we can use the filename to get the timestamp
faster than parsing the file.
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As it turns out, the "local timestamp" as advertised by arcdps is a bit
misleading, because the timestamp is still in UTC. The "local" refers to
the fact that it can lag behind the server timestamp a bit (but usually
they seem to be within +-1 of each other), not that the timestamp is in
the local timezone.
This makes date handling a bit harder for raidgrep, but thanks to
chrono, not by much. The idea is that we simply deal with Utc pretty
much everywhere, except at the user boundary. This means that
1. Input timestamps for -before and -after are converted to Utc right
after input
2. When outputting, we convert to a local timestamp first
This makes the output consistent with the filenames now (and the "wall
time" that the player saw).
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If the boss is unknown, we exclude the log - that is how
BossFilter::filter operates, and it is probably what the user wants if
they specify a -boss filter. However, in filter_early, the default for
unknown bosses was to return Inclusion::Include, which is not consistent
with filter. That lead to some logs being included, parsed and then
thrown away again.
This change makes the behaviour for unknown bosses between filter_early
and filter consistent, and therefore speeds up the search if -boss is
used.
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Everybody calls bosses by different names (Soulless Horror vs Desmina,
Super Kodan Brothers, ...), so it might be good to have a list ready in
the help message.
Other names can still be used, but those are the end-user documented
ones now.
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With evtclib 0.2, every boss has at least one name without space, so
every boss can be used. Still, for completeness's and consistency's
sake, we want to allow users to also specify boss names with spaces in
them. For example, if we print "Qadim the Peerless" as the name of the
boss, we might expect
raidgrep -- -boss "Qadim the Peerless"
to work (instead of -boss qadimp). Therefore, we now allow boss names to
be quoted, so that we can properly persist the whitespace.
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Having a ::new on each of the filter types was a bit weird, especially
because we returned Box<dyn ...> instead of Self (and clippy rightfully
complained). With this patch, we now have a bunch of normal functions,
and we don't show to the outside how a filter is actually implemented
(or what struct is behind it).
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Since our predicates start with -, this sounds like a good heuristic to
prevent something like "raidgrep -- -player" from silently succeeding
but not doing what the user had intended. In this case, we want the
parse error to show and not treat "-player" as a regex.
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First, this commit adds a shortcut if only a single argument is given
that can be parsed as a regex. This is to retain the old behaviour of
"raidgrep NAME" just working, without needing to specify -player or
anything.
Secondly, this also re-wraps arguments with spaces (unless there's only
one argument in total). This means that the following should work:
raidgrep -- -player "Godric Gobbledygook"
instead of either
raidgrep -- '-player "Godric Gobbledygook"'
raidgrep -- -player '"Godric Gobbledygook"'
(notice the extra quotes).
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Sadly, structopt always displays this, despite the documentation stating
that it should be hidden when the user uses -h (instead of --help). It
seems like this is a bug in clap, which might get fixed with clap 3.0.
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This gives us a history, nicer editing capabilities and the possibility
to add completion in the future.
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If we don't allow the higher-tier on the left side, we cannot chain
multiple or/and on the same level. Since or is associative, we shouldn't
expect the user to write (... or (... or ...)) and instead provide the
flattened version as well.
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Otherwise they'd get tokenized as word and we couldn't build
conjunctions/disjunctions.
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This method is not perfect yet, because
1. The items are not documented as they were before
2. You need to separate the args with --, otherwise Clap tries to parse
them as optional flags
This should be fixed (especially the documentation part) before merging
into master.
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It's nice if you can print out the filter tree for debugging, so we're
requireing filters to be Debug now.
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As it turns out, we can easily re-use the existing Filter machinery to
generalize over LogFilters (which operate on LogResults) and
PlayerFilters (which operate on Players).
The feature trait_aliases is not strictly needed but makes the function
signatures a bit nicer and easier to read, and it reduces the chances of
an error (e.g. by using Filter<&PartialEvtc, ...>).
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This is the groundwork for introducing more complex filter queries like
`find` has. Filters can be arbitrarily combined with and/or/not and
support an "early filter" mode.
So far, the filters have been translated pretty mechanically to match
the current command line arguments, so now new syntax has been
introduced.
The NameFilter is not yet in its final version. The goal is to support
something like PlayerAll/PlayerExists and have a PlayerFilter that works
on single players instead of the complete log, but that might introduce
some code duplication as we then need a PlayerFilterAnd, PlayerFilterOr,
...
Some digging has to be done into whether we can reduce that duplication
without devolving into madness or resorting to macros. Maybe some
type-level generic hackery could be done? Maybe an enum instead of
dynamic traits should be used, at least for the base functions?
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It's kinda silly to have new() be generic when all it does is box the
objects anyway. It only makes code harder to write, as we cannot unify
the types to call Pipeline::new(), and instead we have to rely on
calling Pipeline::new() in the branches themselves.
It's not the biggest issue when we only have different formats, but at
some point we might want to add different aggregators as well (like a
sorting one or a counting one), so it would be bad if we suddenly had to
add all those branches.
This fix changes that, and we can build the pipeline piecewise by
having a Box<dyn Format> around, allowing us to combine it freely with
any Box<dyn Aggregator>.
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This also does away with the scary unsafe{} blocks just to set/get the
DEBUG flag.
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Filtering based on guilds is slow, as it will have to retrieve every
guild name from the GW2 API, and it has to parse every log file instead
of bailing early.
Therefore, guilds are not searched by default, and have to be
explicitely turned on with --guilds.
In addition, this means that raidgrep will now need network access when
--guilds is passed, which was not the case before.
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A lot of time is spent parsing the actual log events, especially when
they are zipped, as they have to be decompressed first. This results in
huge run-time hits, especially for files where we could determine very
early if we actually need it.
For example, player names are saved in the header, which can be examined
very quickly. If we can determine at that stage that a log file will not
appear in the result set, we don't need to parse all the log events.
This patch relies on the partial parsing support of evtclib to do
exactly that. It parses only the header with the player names, and only
if there's a match, it will proceed to parse the events and do more
filtering.
In the future, we can extend this even more, for example we can also
check the boss ID that way, since we can also access that in the header.
On the downside, we now have the zip handling logic replicated in
raidgrep, as we want a "common" interface to extract the actual data
stream. But this logic could be pushed back to evtclib after polishing
it a bit. There are some problems with Rust's borrow checking though,
which is why it looks a bit convoluted.
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This gives a common interface for command line flags which take multiple
values, possibly with negation.
This might come in useful if we add filtering by boss, e.g. "--boss
!deimos" to ignore all deimos logs.
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This accepts timestamps in the following formats:
* Human-readable, like "15d", taken relative to the current time.
* rfc3339-like "2018-03-14 13:13:00"
More formats might be added in the future.
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