pnoltes opened a new pull request, #476:
URL: https://github.com/apache/celix/pull/476
This PR refactors the bundle cache handling so that bundles zips are not
extracted if there is already a cache dir for that bundle.
This PR does not implement or replace the ideas mentioned in #441, but
instead is just a step to make extracted bundle cache dirs reusable.
The bundle archive, bundle cache and celix launcher functionality is tested
with additional gtest code.
For the bundle update functionality, no additional test are added and IMO
this functionality is still "work in progress" / "use at own risk".
Mainly because IMO we need to test bundle update with really different
bundle libs (including new and removed symbols) to ensure that a dlopen/dlsym
on the same path, but different libs really works as expected. I considered
this out of scope for this PR.
This PR also introduces:
- Split bundle cache in a resource cache and storage cache and introduces a
celix_bundle_getDataFile next to celix_bundle_getEntry, specifically to access
files from the bundle storage instead of the bundle resource cache. This is
more conform the OSGi spec, see
https://docs.osgi.org/specification/osgi.core/8.0.0./framework.api.html#org.osgi.framework.Bundle
getEntry and getDataFile.
- Remove usage of -Og, because -Og actual does not really work when
debugging (optimized out results).
- Introduce some additional utils functions for string to long,bool,etc
conversion, file touch and get last modified from file functions.
- Move (but do not change) the lib loading functionality from bundle
archive to (bundle) module.
- Refactor some cpputest utils test to gtest.
- Small refactoring in start, stop and update shell command.
- Refactor http_admin to use the storage cache instead of resource cache
for the html files handling.
- Add support for `--create-bundle-cache` option in the celix launcher to
create a bundle cache and exit (i.e. prepare a application to startup more
quickly).
This PR has become large than I expected and also took more time than I
expected. I think this is mainly, because I had some trouble understanding the
bundle archive, revision mechanism and added quite some refactoring to (IMO)
make this a bit cleaner. I would have preferred some more refactoring, but that
breaks the current public api.
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