session: allow log configuration using Logger interface.

scylladb / scylla-go-driver

Experimental, high performance Scylla Driver, University of Warsaw students' project

Apache License 2.0

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Closed Kulezi closed 2 years ago

Kulezi commented 2 years ago

This PR provides a Logger interface allowing to supply a custom logger as part of (Session)ConnConfig.

It also provides three implementations of Logger:

DefaultLogger, logging only warnings
DebugLogger, logging everything that can be useful for debugging, it is used by default in tests
NopLogger, logging nothing

Fixes #271

Kulezi commented 2 years ago

Rebased, renamed the new logging package to log. Integration tests don't fail anymore after #283 was merged.

Please let me know if I can merge this @zimnx.