Close socket if a client stops processing responses.

[mregen]

Proposed changes

• If a client stops receiving data from a server, stop reading from the client channel and close the socket after a timeout if the client can not recover to force a reconnection.
• simplify buffer manager, ArrayPool is already thread safe, additional locks can be removed

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply. You can also fill these out after creating the PR.

• Bugfix (non-breaking change which fixes an issue)
• Enhancement (non-breaking change which adds functionality)
• Test enhancement (non-breaking change to increase test coverage)
• Breaking change (fix or feature that would cause existing functionality to not work as expected, requires version increase of Nuget packages)
• Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have read the CONTRIBUTING doc.
• I have signed the CLA.
• I ran tests locally with my changes, all passed.
• I fixed all failing tests in the CI pipelines.
• I fixed all introduced issues with CodeQL and LGTM.
• I have added tests that prove my fix is effective or that my feature works and increased code coverage.
• I have added necessary documentation (if appropriate).
• Any dependent changes have been merged and published in downstream modules.

[codecov]

Codecov Report

Merging #2110 (59109ff) into master (d65e1cf) will decrease coverage by 0.07%.
The diff coverage is 70.67%.

@@            Coverage Diff             @@
##           master    #2110      +/-   ##
==========================================
- Coverage   58.06%   58.00%   -0.07%     
==========================================
  Files         324      324              
  Lines       61681    61680       -1     
==========================================
- Hits        35818    35780      -38     
- Misses      25863    25900      +37     

Impacted Files	Coverage Δ
Libraries/Opc.Ua.Server/Session/SessionManager.cs	73.15% <0.00%> (-1.01%)	⬇️
...raries/Opc.Ua.Server/Subscription/MonitoredItem.cs	47.18% <0.00%> (ø)
...k/Opc.Ua.Core/Stack/Bindings/ArraySegmentStream.cs	90.74% <ø> (ø)
.../Opc.Ua.Server/Subscription/SubscriptionManager.cs	69.88% <50.00%> (ø)
Stack/Opc.Ua.Core/Stack/Tcp/TcpServerChannel.cs	60.96% <68.18%> (-0.45%)	⬇️
Stack/Opc.Ua.Core/Stack/Tcp/UaSCBinaryChannel.cs	67.45% <68.75%> (-3.87%)	⬇️
...c.Ua.Core/Stack/Tcp/UaSCBinaryChannel.Symmetric.cs	78.21% <69.23%> (-0.84%)	⬇️
Stack/Opc.Ua.Core/Stack/Bindings/BufferManager.cs	75.55% <87.50%> (-2.88%)	⬇️
Stack/Opc.Ua.Core/Stack/Server/ServerBase.cs	71.14% <100.00%> (ø)
Stack/Opc.Ua.Core/Stack/Tcp/TcpListenerChannel.cs	63.04% <100.00%> (-6.70%)	⬇️
... and 3 more

... and 13 files with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.