ryanofsky
commented at 5:52 pm on June 26, 2024:
contributor
Pass Logger instances to BlockManager, CCoinsViewDB, CDBWrapper, Chainstate, ChainstateManager, CoinsViews, and CTxMemPool classes so libbitcoinkernel applications and tests have the option to control where log output goes instead of having all output sent to the global logger.
This PR is an alternative to #30338. It is more limited because it only changes kernel code while leaving other parts of the codebase alone. It also takes the opportunity to migrate legacy LogPrint / LogPrintf calls to the new log macros introduced in #28318.
This is based on #29256. The non-base commits are:
If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.
TheCharlatan
commented at 8:21 pm on June 26, 2024:
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Concept ACK.
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ryanofsky referenced this in commit
ecadc8f6e5
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ryanofsky
commented at 10:23 pm on July 9, 2024:
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Rebased db1b9f7696af80036de739408cd9eae5d06481ec -> 42d0e06d1a4343c2bf3257f26cf18b79072c6b0d (pr/gklog.2 -> pr/gklog.3, compare) to fix conflict with #30141. Also added a commit to let kernel applications direct low-level util output to custom log instances.
Updated 42d0e06d1a4343c2bf3257f26cf18b79072c6b0d -> fcaed3faf0f12b3b322e65df1e81d455bbee7db5 (pr/gklog.3 -> pr/gklog.4, compare) to fix CI errors
Updated fcaed3faf0f12b3b322e65df1e81d455bbee7db5 -> f005677f762754ae09417c2a418e27d28ef3c7e1 (pr/gklog.4 -> pr/gklog.5, compare) to fix more CI errors
Rebased f005677f762754ae09417c2a418e27d28ef3c7e1 -> dcd055ecf9c20b84930c2ce45d922427cf0112ea (pr/gklog.5 -> pr/gklog.6, compare) due to conflicts with #30425 and #30407
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🚧 At least one of the CI tasks failed. Make sure to run all tests locally, according to the
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A sanitizer issue, which can only be found by compiling with the sanitizer and running the
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An intermittent issue.
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Make sure to run all tests locally, according to the documentation.
The failure may happen due to a number of reasons, for example:
Possibly due to a silent merge conflict (the changes in this pull request being
incompatible with the current code in the target branch). If so, make sure to rebase on the latest
commit of the target branch.
A sanitizer issue, which can only be found by compiling with the sanitizer and running the
affected test.
An intermittent issue.
Leave a comment here, if you need help tracking down a confusing failure.
DrahtBot added the label
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logging: Improve new LogDebug/Trace/Info/Warning/Error Macros
Improve new LogDebug(), LogTrace(), LogInfo(), LogWarning(), LogError() macros
introduced in #28318:
- Make them always accept log categories to make it possible to only log
messages from a particular component.
- Make them not rely on a global LogInstance, to provide better control of
logging in controlled environments, such as unit tests that want to
selectively capture log output, or libbitcoinkernel applications that want to
have multiple instances of validation objects without mixing their log output.
- Make them consistent, now all accepting the same parameters.
- Make them less verbose by not requiring BCLog category constants to be
specified in individual log prints
12d97dbdcb
logging: Add preprocessor workaround for MSVC
Needed to fix errors like:
const Source &_LogSource(const Source &)': expects 1 arguments - 3 provided
const Source &_LogSource(const Source &)': expects 1 arguments - 3 provided
due to a compiler bug:
https://stackoverflow.com/questions/5134523/msvc-doesnt-expand-va-args-correctly/5134656#5134656
Example CI failure:
https://github.com/bitcoin/bitcoin/actions/runs/8072891468/job/22055528830?pr=29256
Pass Logger instances to BlockManager, CCoinsViewDB, CDBWrapper,
ChainstateManager, and CoinsViews instances so libbitcoinkernel applications
and test code have the option to control where log output goes instead of
having all output sent to the global logger.
This commit just passes the logger objects without using them. The next commit
updates log print statements to use the new objects.
5584e6c005
refactor: Log kernel output to local log instances
This is a mechanical change updating kernel code that currently uses the global
log instance to log to local instances instead.
b8ec1717a3
refactor: Pass Logger instance to CTxMemPool
This allows libbitcoinkernel applications and test code to have the option to
control where log output goes instead of having all output sent to the global
logger.
ca87fdd928
kernel: Drop global Logger instance
Change LogInstance() function to no longer allocate (and leak) a BCLog::Logger
instance. Instead allow kernel applications to initialize their own logging
instances that can be returned by LogInstance().
The LogInstance() function is not actually used for the majority of logging in
kernel code. Most kernel log output goes directly to BCLog::Logger instances
specified when kernel objects like ChainstateManager and CTxMemPool are
constructed, which allows applications to create multiple Logger instances and
control which log output is sent to them.
The only kernel code that does rely on LogInstance() is certain low level code in
the util library, like the RNG seeder, that is not passed a specific instance
and needs to rely on the global LogInstance() function.
Other code outside the kernel library uses LogInstance() heavily, and may
continue to do so. bitcoind and test code now just create a log instance before
the first LogInstance() call, which it returns, so all behavior is the same as
before.
493dd26b75
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DrahtBot
commented at 8:08 pm on December 18, 2024:
contributor
🐙 This pull request conflicts with the target branch and needs rebase.
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