| Commit message (Collapse) | Author | Age |
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The case we ran into is the following:
* Fetching the full payload and marking all messages of a thread as read
happens simultaneously.
* The local modification to mark as read gets immediately overwritten
when the full payload arrives.
* Eventually the modification gets replayed to the server though (and
the reversal isn't because coming from the source), so on next sync the
situation fixes itself.
To be able to improve this we try to protect local modifications in that
properties that have been modified since baseRevision (which currently
isn't, but should be equal to the last to the server replayed revision)
are not overwritten. This conflict resolution strategy thus always
prefers local modifications. baseRevision is currently set to the
current maximum revision of the store at the time when the resource
creates the modification.
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version when creating it
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By setting the database version initially.
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There's a new template version that expects methods that QByteArray
doesn't have but breaks the implicit conversion to const char *,
std::string is safer anyways (doesn't require a null terminated string).
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This is where this really belongs, only the indexing is part of storage.
This is necessary so preprocessors can move entities as well.
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message.
Otherwise the processor might think its done before it actually is.
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To have hierarchical debug output we have to pass around something at
run-time, there is no reasonable alternative. Log::Context provides the
identifier to do just that and largely replaces the debug component
idea.
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We cant take the identifier from the entity where we just cleared the
identifier.
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Changereplay and synchronizer rely on it.
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This is the initial refactoring to improve how we deal with the storage.
It does a couple of things:
* Rename Sink::Storage to Sink::Storage::DataStore to free up the
Sink::Storage namespace
* Introduce a Sink::ResourceContext to have a single object that can be
passed around containing everything that is necessary to operate on a
resource. This is a lot better than the multiple separate parameters
that we used to pass around all over the place, while still allowing
for dependency injection for tests.
* Tie storage access together using the new EntityStore that directly
works with ApplicationDomainTypes. This gives us a central place where
main storage, indexes and buffer adaptors are tied together, which
will also give us a place to implement external indexes, such as a
fulltextindex using xapian.
* Use ApplicationDomainTypes as the default way to pass around entities.
Instead of using various ways to pass around entities (buffers,
buffer adaptors, ApplicationDomainTypes), only use a single way.
The old approach was confusing, and was only done as:
* optimization; really shouldn't be necessary and otherwise I'm sure
we can find better ways to optimize ApplicationDomainType itself.
* a way to account for entities that have multiple buffers, a concept
that I no longer deem relevant.
While this commit does the bulk of the work to get there, the following
commits will refactor more stuff to get things back to normal.
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Instead of a single #define as debug area the new system allows for an
identifier for each debug message with the structure component.area.
The component is a dot separated identifier of the runtime component,
such as the process or the plugin.
The area is the code component, and can be as such defined at
compiletime.
The idea of this system is that it becomes possible to i.e. look at the
output of all messages in the query subsystem of a specific resource
(something that happens in the client process, but in the
resource-specific subcomponent).
The new macros are supposed to be less likely to clash with other names,
hence the new names.
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Found with valgrind
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This is necessary so we get the actual changeset during replay,
so a mark-as-read action doesn't result in a new mime message, but only
the flag change.
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I got failures during a sync during the initial mdb_put that stores the
db name for verification on open (invalid parameter passed).
It seems the verification step actually prevents the problem in the
first place.
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Currently only working when creating an entity, the new entity is
always preprended in the store.
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