Review Request 129264: handle mysql process crashes gracefully

[Martin Koller]

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https://git.reviewboard.kde.org/r/129264/
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(Updated Jan. 21, 2017, 11:13 a.m.)


Status
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This change has been marked as submitted.


Review request for Akonadi and Daniel Vrátil.


Changes
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Submitted with commit 4c5ca9bf32e5a9d569e83f66a439c65d8939a540 by Martin Koller to branch master.


Repository: akonadi


Description
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It happened to me that I started kmail but could not see any mail folder.
Searching I found that although all akonadi processes were running, the mysqld process was not,
so it seems for whatever reason mysqld crashed (using a privately started mysqld from akonadiserver).

This patch checks if the mysqld stops unexpectedly when it was started from akonadiserver and tells the latter to quit when a stopped mysqld was discovered.
Also in this case the local socket file is removed so that a restart can work without problem.


Diffs
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  src/server/storage/dbconfigmysql.h 27841e8 
  src/server/storage/dbconfigmysql.cpp 0962ccb 

Diff: https://git.reviewboard.kde.org/r/129264/diff/


Testing
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Started akonadi via akonadictl and also implicitely via kmail, then killed (-4, -15) mysqld.
Restarted via akonadictl or kmail


Thanks,

Martin Koller

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