Boaz Shuster 3cabe08abe Hide the mutex in formatter.ContainerStats ...

The formatter.ContainerStats struct exposes its Mutex.
This is a bad design and should be fixed.

To fix that, I separated the statistics
attributes from ContainerStats to StatsEntry and
hid the mutex. Notice that the mutex protects both
the `err` field and the statistics attributes.

Then, implemented SetStatistics, SetError, GetStatistics
and GetError to avoid races.

Moreover, to make this less granular, I decided to
replace the read-write mutex with the regular mutex and
to pass a StatsEntry slice to formatter.ContainerStatsWrite

Signed-off-by: Boaz Shuster <ripcurld.github@gmail.com>
Upstream-commit: 929a77b814dfe9ab7a11bffc2d16eebd27bd903a
Component: engine

2016-10-10 21:52:53 +03:00

components/engine

Hide the mutex in formatter.ContainerStats

2016-10-10 21:52:53 +03:00

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